CN2560119Y - Socket connector - Google Patents

Abstract

A socket connector comprises an insulating body and a plurality of conductive terminals. The insulating body is a rectangular, and one side of the insulating body is a binding surface which is raised with a hollow cylindrical jack which is eccentric and extends towards the inside of the insulating body to the back end face of the insulating body, thus forming the hollow structure of the inside of the rectangular shell; a plurality of transmission terminals are arranged in a preset hole in the insulating body, comprising a first signal terminal, a second signal terminal, a third signal terminal and a fourth signal terminal, and wherein, the fist signal terminal and the second signal terminal have the same size; the third signal terminal is an uprightly inserted terminal which is embedded in the back of the side of the rectangular insulating shell; the fourth terminal is an L-shaped bending terminal which is embedded from the back of the rectangular insulating shell. As the specification of the terminals is simplified and the utility model is applicable to the surface mount technology, the utility model can save cost in producing and assembling, and because of the eccentric jack, the utility model can meet the specification requirement of various mobile phones.

Description

Socket connector

(1) technical field

The relevant a kind of socket connector of the utility model refers in particular to a kind of socket connector with jack eccentric type.

(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 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 patents of China etc.

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 surface adhesion 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, manufacturing cost is improved relatively.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.

(3) utility model content

For improving the disappearance of existing electric connector for socket, the utility model provides a kind of socket connector with multinomial function, utilize the structure of terminal, make it can realize the multi-functional SMT type audio-frequency electric connector of running simultaneously fixedly the time, the specifications design of its several terminals is integrated simplification can adapt to the specification demand of different mobile phones to reduce manufacturing cost and can meet the enhancement function that the SMT processing procedure requires and realize multiple function to act on simultaneously with ease of assembly.

For achieving the above object, socket connector of the present utility model comprises an insulating body and several conducting terminals; 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 signal terminal, secondary signal terminal, the 3rd signal terminal and the 4th signal terminal etc., wherein the 3rd signal terminal is the terminal of raising one's voice (Speaker) of playback, and the 4th signal terminal is the microphone terminal (Microphone) of radio reception; First signal terminal becomes same specification with the secondary signal terminal design, adopts the mode of salient point contact, and is slightly variant according to the different length that sets firmly the position pin; The 3rd signal terminal is a vertical cutting formula terminal, is embedded at the insulation shell side rear end of rectangle; The 4th signal terminal is the bending terminal of a L type, from the insulation shell rear end embedding of rectangle.

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 socket connector of the utility model one preferred embodiment;

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

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

Fig. 4 is the termination contact view of the socket connector of the utility model one preferred embodiment;

Fig. 5 is the schematic diagram of the socket connector of another preferred embodiment of the utility model.

(5) embodiment

See also shown in Fig. 1,2,3, the utility model audio-frequency electric connector 1 includes an insulating body 10, first signal terminal 21, secondary signal terminal 22, the 3rd signal terminal 23 and the 4th signal terminal 24.

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 (not shown), Position Design with spliced eye 50 in the utility model becomes centering type, and promptly the center line of the center line of spliced eye 50 and rectangle insulating body 10 is non-on same straight line; Spatial accommodation when on the end face 12 of insulating body 10, then being provided with several grooved holes 121 and inserting as terminal, the position in this grooved hole 121 respectively with the bottom surface 15 of insulating body 10 on terminal insert portion 153,154 form a passage, and this passage can be inserted fully for terminal; In addition be provided with the elongated slot 122 that runs through end face 12 at end face 12 near trailing flank 16 places, this elongated slot 122 is to cooperate with convex fastening part 235 on the 3rd signal terminal 23, makes the 3rd signal terminal 23 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 place 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, 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 except recess 131 is arranged, 141 terminals that extend to bottom surface 15 are inserted portion 153, outside 154, also be provided with positioning convex column 151, and also be provided with an elongated slot 152 near trailing flank 16 places, the effect of this elongated slot 152 also is identical with the effect of the elongated slot 122 of end face 12, also is to use with sharp protuberance 246 on the 4th signal terminal 24 to cooperate, and engages the place as what the 4th signal terminal 24 and insulating body 10 were connected and fixed.This to be illustrated be because of spliced eye 50 set up position off-centre, make to be positioned at and insert portion 153 and the needs of elongated slot 152 that its position must be slightly away from right flank 13 because of cooperating than the terminal of far-end homonymy.

The utility model is standardized the design of several terminals, makes and assembling with convenient.Wherein, place first signal terminal 21 of insulating body 10 leading portions, secondary signal terminal 22 is with a kind of specification, the structure of this type of terminal roughly is to be one " U " shape member, side at the U-shaped member is a terminal body, be provided with the sharp protuberance 213 that is used to fix terminal in the both sides of this body side, 223, on terminal body, extend the pin 212 of bending, 222, another side at the U-shaped member then is the contact salient point 211 of oblique bending, 221, and the two-terminal difference is the relation of the pin 222 of secondary signal terminal 22 because of equipping position, and its length must be long than the pin 212 of first signal terminal 21; Place the 3rd signal terminal 23 and 24 of the 4th signal terminals of insulating body 10 rear ends to be other normalized form, wherein the 3rd signal terminal 23 is a vertical cutting formula terminal, it is configured to have on facade 231 with the front end is that fulcrum is slightly to internal bend and have quite flexible contact flat spring 232, the end of this contact flat spring 232 then is the contact protuberance 233 that slightly bends up, and is provided with the sharp protuberance 235 of projection on the base of facade 231; Bottom, rear end at terminal facade 231 is provided with pin 234.24 of the 4th signal terminals are the bending terminal of a L type, and its upright portion 241 constituted by the face at different quadrants with transverse part 244, and promptly transverse part 244 is to be extended and formed by 241 bendings of upright portion; Extend one slightly to internal bend and have quite flexible contact flat spring 242 at the front end of upright portion 241, the end of this contact flat spring 242 then is the contact protuberance 243 that slightly bends up, and is provided with the sharp protuberance 246 of projection on the top margin of facade 241; Rear end at transverse part 244 then is provided with pin 245, in addition be provided with sharp protuberance 247 on the side limit of transverse part 244, the effect of this point protuberance 247 is madial walls that the 247 energy packings of point protuberance prop up insulating body 10 when the 4th signal terminal 24 is inserted insulating body 10, make the 4th signal terminal 24 obtain to strengthen fixed effect, and can not produce loosening phenomenon.

Please refer to shown in Figure 4, design of the present utility model is quite clear and definite, audio jack 60 parts can be divided into first contact site 61, second contact site 62 and the 3rd contact site 63 according to the order of inserting, wherein first contact site 61 that contacts with the 4th signal terminal P4 is because of being insertion end, it is a traditional taper joint kenel, and what contact with the 3rd signal terminal P3 is second contact site 62 of audio jack 60, then is the 3rd contact site 63 of the first signal terminal P1 and secondary signal terminals P 2 in audio jack 60 rearmost ends.Circuit on the PCB circuit board that the mating terminals pin connects makes each terminal all can the generation effect by the insertion of plug; Wherein the 3rd signal terminal P3 is the terminal of raising one's voice (Speaker) of playback, and the 4th signal terminal P4 then is the microphone terminal (Microphone) of radio reception.

Please refer to shown in Figure 5ly, the utility model also has another kind of execution mode, promptly is the dimension modifying with spliced eye 50, and to be fit to the plug of different-diameter, in this embodiment, the aperture of the more former embodiment in aperture of spliced eye 50 is greater, and equally also is to adopt eccentric design.

By above-mentioned explanation, in the structural design of the present utility model as can be known, have some technical characterstics to be illustrated: 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.It is simple that next is that structural design of the present utility model is made every effort to, first signal terminal 21 is designed to a kind of specification with secondary signal terminal 22, 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.

As shown in the above description, the new structural design of the utility model utilization make the socket connector assembly 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 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 equivalent modifications that all personnel that understand this technology by specification of the present utility model have done under the situation that does not break away from spirit of the present utility model, all should be considered as analog structure of the present utility model, by claim of the present utility model is contained.

Claims (15)

1. a socket connector comprises an insulating body and several conducting terminals, 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, the Position Design of spliced eye becomes centering type, spliced eye further is through to the rear side end of insulating body towards inner extension of insulating body thus, makes the inside of rectangular housing form hollow;

Several transmission terminals are arranged in the default hole on the insulating body, and comprising first signal terminal, secondary signal terminal, the 3rd signal terminal and the 4th signal terminal etc., first signal terminal becomes same specification with the secondary signal terminal design; The 3rd signal terminal is a vertical cutting formula terminal, is embedded at the insulation shell side rear end of rectangle; The 4th signal terminal is the bending terminal of a L type, from the insulation shell rear end embedding of rectangle.

2. socket connector as claimed in claim 1 is characterized in that, the off-centre of spliced eye promptly is that the center line of the center line of spliced eye and rectangle insulating body is not on same straight line.

3. socket connector 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.

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

5. socket connector 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 place in grooved hole is provided with recess on itself and end face, so that the pin position of terminal after inserting can meet the requirement of surface adhesion technology processing procedure.

6. socket connector as claimed in claim 1, it is characterized in that, on the bottom surface of insulating body, be provided with an elongated slot that runs through the bottom surface near the trailing flank place, this elongated slot is to use with card lug on the 4th signal terminal to cooperate, and another that is connected and fixed as the 4th signal terminal and insulating body engages the place.

7. socket connector as claimed in claim 1, it is characterized in that, placing first signal terminal and the secondary signal terminal in insulating body stage casing is with a kind of specification, it is configured to " U " shape member roughly, side at the U-shaped 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 U-shaped member.

8. socket connector as claimed in claim 1, it is characterized in that, the 3rd signal terminal that places the insulating body rear end is a vertical cutting formula terminal, it is configured to that facade is provided with the front end is that fulcrum is slightly to internal bend and have quite flexible contact flat spring, the end of this contact flat spring is the contact protuberance that slightly bends up, and is provided with the sharp protuberance of projection on the base of facade; Bottom, rear end at the terminal facade is provided with pin.

9. socket connector as claimed in claim 1 is characterized in that, the 4th signal terminal is the bending terminal of a L type, and its upright portion constituted by the face at different quadrants with transverse part, and promptly transverse part is to be extended and formed by the bending of upright portion.

10. socket connector as claimed in claim 9, it is characterized in that, extend one slightly to internal bend and have quite flexible contact flat spring at the front end of the upright portion of the 4th signal terminal, the end of this contact flat spring is the contact protuberance that slightly bends up, and the top margin of facade is provided with the sharp protuberance of projection.

11. socket connector as claimed in claim 9 is characterized in that, is provided with pin in the rear end of the 4th signal terminal transverse part, in addition is provided with sharp protuberance on the side limit of transverse part.

12. socket connector as claimed in claim 1 is characterized in that, first signal terminal is the terminal of raising one's voice of playback.

13. socket connector as claimed in claim 1 is characterized in that, the secondary signal terminal is the microphone terminal of radio reception.

14. socket connector as claimed in claim 1 is characterized in that, the size variable of spliced eye is large-size more.

15. socket connector as claimed in claim 1 is characterized in that, the bottom surface of insulating body also is provided with positioning convex column.

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