CN2671173Y - Improved structure of audio-frequency jack connector - Google Patents

Abstract

The utility model relates to an improved structure of audio-frequency jack connector, in particular to an audio-frequency jack connector suitable for being used for mobile communication products. The utility model improves the design of the compression type terminal and makes the audio-frequency jack connector have good contacting effect of connection with a printed circuit board, so that the audio-frequency jack connector is able to match with the mobile communication products so as to raise the communication quality.

Description

The audio socket connector structure-improved

Technical field

The utility model provides a kind of audio socket connector structure-improved, refers in particular to a kind of can combining with the voice plug to reach the audio socket connector of transferring voice signal function.

Background technology

Have the audio socket connector that can produce the message 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 legerity type electronic products, as mobile phone, PDA, MP3, with the development of electronic product such as notebook computer, the application of audio socket connector on these products is more capable important.Each electronic product all has its audio socket connector that exclusively is suitable for to occur, and such relevant product design please refer to United States Patent (USP) the 6th, 346, cases such as 013,6,368, No. 156.

Existing audio socket connector, its design is to adopt through hole weldering mode to be welded on the circuit board or surperficial interconnection technique type (SMT) is connected on the circuit board mostly, and this is inappropriate for all quite limited legerity type electronic product of inner usage space and circuit board space; In addition, when using the conducting terminal of SMT type connector, its most structure is all comparatively complicated, needs through multiple tracks punching out process, therefore needs many covers or comparatively complicated mould to cooperate, and makes 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.

Moreover, to the product under using in varying environment, its contact engaging and separating force for socket connector has different requirements, particularly being needs more in the running gear to consider that it is the required contact engaging and separating force size of using in different application scenarios, and in aforesaid SMT type terminal structure, be each terminal institute mean allocation to the required contact engaging and separating force of combination hub, contact engaging and separating force such as need increase or reduce, then terminal structure just must redesign mould or select material, is unfavorable for so too reducing cost.

Simultaneously, existing audio socket is because single diameter through after repeatedly plugging, is all done touching back and forth with each terminal because of the audio jack body of rod, and terminal produces the bad phenomenon of elasticity because of excessive friction easily.

The utility model content

For improving the disappearance of existing audio socket connector, the utility model then provides a kind of Improvement type audio socket connector structure, the audio socket connector that is connected with printed circuit board (PCB) with the terminal of compression joint type (compression type).

One of the purpose of this utility model is to provide a kind of audio socket connector structure-improved, and it is that the contact terminal of connector and printed circuit board (PCB) are designed with press-contacting type, is linked on the circuit board, is beneficial to the replacement of element, and reaches the purpose that cost reduces.

Two of the purpose of this utility model is to provide a kind of audio socket connector structure-improved, and its pressure contact terminal adopts 90 degree bending designs, so that the part rewinding is easy, and reduces the space that element occupies on printed panel.

By above-mentioned purpose a kind of audio socket connector structure-improved of the utility model as can be known, this connector mainly is to include an insulating body, terminal group and accept terminal; It is characterized in that this terminal group is outward extended pressure contact portion with 90 degree bendings from each main part afterbody with to accept terminal all be with the elasticity crimp design, the end of these pressure contact portions be provided with a contacting part as with the contact point of circuit board.

Wherein, accept terminal and comprised a basic courses department that is positioned at insulator, one protuberance is arranged in order to pushing down plug in foundation, and a pressure contact portion that extends with 90 degree bendings by basic courses department.

Wherein, the spatial accommodation when having slotted hole conduct to accept the terminal insertion in the insulating body bottom, the position of these slotted holes is relative with the oblong openings on the insulating body end face, and this accepting groove can be inserted fully for accepting terminal.

Wherein, have one can supply to put the oblong openings that be positioned at the anti-unloading device on the terminal in the insulating body side, the position of these oblong openings and anti-unloading device are inconsistent, to reach the effect of anti-back.

Wherein, insulating body is the main part of a cuboid, this main part comprises roof, the first side wall, second sidewall and diapire, be provided with first accepting groove at the end of this roof near outside the first side wall in contiguous docking section, and the spliced eye in this first accepting groove and the insulating body is connected, and this first accepting groove is ccontaining for accepting terminal.

Wherein, also being provided with an opening on this first side wall limit is the catch deduction of using for first contact terminal.

Wherein, in first slit and second slit that are respectively equipped with the spliced eye that joins on the receiving space of insulating body rearward end on roof and diapire near the position of the first side wall, these slits are the storage tanks as first contact terminal and second contact terminal; On roof and diapire, be provided with the storage tank of flexible terminal and mating terminals thereof in addition near second sidewall.

Wherein, be provided with a recess in the rear end of the first side wall, this recess is then as the kink of first contact terminal mechanism that is clasped.

Wherein, terminal group comprises first contact terminal, second contact terminal, flexible terminal and mating terminals thereof altogether.Wherein, first contact terminal, second contact terminal and flexible terminal are all vertical cutting formula terminal, and flexible terminal and form the pair of switches terminal with mating terminals.

Wherein, first contact terminal with vertical flat plate as first main part, on this first main part, be provided with the clamping mechanism of the catch of protrusion as first contact terminal, extend first contact site of certain bending angle at the front end of first main part, the end of this first contact site has the portion that the touches conduct of arcuation and the contact site of audio jack, then there is a horizontal kink rear end, in addition in the bottom of this first main part, is provided with first pressure contact portion that is horizontal 90 degree bendings with first main part.

Wherein, second contact terminal then with vertical flat plate as second main part, be provided with in order to fixing protruding thorn at the top of flat board, extend second contact site of certain bending angle at the front end of this second main part, the end of this second contact site has the portion that the touches conduct of arcuation and the contact site of audio jack, in the bottom of this second main part, be provided with second pressure contact portion that is horizontal 90 degree bendings with second main part in addition.

Wherein, flexible terminal then is as the 3rd main part with vertical flat plate, be provided with in order to fixing protruding thorn at the top of the 3rd main part, and on the 3rd main part, be provided with a laterally projecting elastic arm as with the contact site of audio jack, this elastic arm is the convex design, form the contact site that touches with mating terminals at its tail end,, be provided with the 3rd pressure contact portion that is horizontal 90 degree bendings with the 3rd main part in addition in the bottom of the 3rd main part.

Wherein, mating terminals then is the structure of a bending type, it is the holding section to part directly, upper and lower side in this holding section is provided with in order to fixing protruding thorn, and holding section and conduct contact partly with flexible terminal, then are washer partly laterally, on this washer, be provided with the contact part of a shrinkage pool as the audio jack termination, effect with auxiliary fixed-audio plug in addition in the bottom of this holding section, is provided with the 4th pressure contact portion that is horizontal bending with the holding section.

Wherein, accept in first accepting groove that terminal is placed in insulating body the place ahead, this is accepted terminal and also is vertical structure, vertical part is a holding parts, dual-side at this holding parts is provided with as fixing protruding thorn, and is provided with in the middle of this holding parts as the abutting part that contacts with audio jack, and this abutting part is the convex design, in the bottom of this holding parts, be provided with the 5th pressure contact portion that is horizontal bending with holding parts.

Wherein, accepting terminal also can be for only comprising the enforcement aspect of holding parts and abutting part.

Description of drawings

For further specifying technology contents of the present utility model, describe in detail then below in conjunction with embodiment and accompanying drawing, wherein:

Fig. 1 is the three-dimensional exploded view of the utility model preferred embodiment;

Fig. 2 is another visual angle three-dimensional exploded view of the utility model preferred embodiment;

Fig. 3 is the schematic perspective view of the utility model preferred embodiment;

Fig. 4 is another schematic perspective view of the utility model preferred embodiment.

Embodiment

See also Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the utility model audio socket connector 1 is to include an insulating body 10, terminal group 20 and accept terminal 30 and form.Wherein insulating body 10 roughly is a kind of rectangular body and comprises main part 11, and autonomous body 11 1 ends are provided with the spliced eye that runs through main part and docking section along the docking section 12 that main part 11 axis directions extend on this docking section 12.Described main part 11 comprises roof 101, the first side wall 102, second sidewall 103 and diapire 104, be provided with first accepting groove 111 at the end of this roof 101 near outside the first side wall in contiguous docking section 12, and this first accepting groove 111 is connected with described spliced eye, and this first accepting groove 111 is ccontaining for accepting terminal 30; Then be provided with the fixedly slotted eye of several holding hole 112 at this roof 101 away from close the first side wall 102 of an end of docking section 12 and second sidewall, 103 positions as terminal group 20; Also being provided with an opening 113 on these the first side wall 102 limits is catch 214 deductions of using for first contact terminal 21; And the dual-side of diapire 104 also be provided with several breach 114 as with pcb board that the terminal pressure contact portion contacts on the preinstalled circuit passageway; In first slit 115 and second slit 116 that on roof 101 and diapire 104, are respectively equipped with the spliced eye that joins on the receiving space 117 of insulating body 10 rearward end near the position of the first side wall 102, these slits 115,116th are as the storage tank of first contact terminal 21 and second contact terminal 22; On roof 101 and diapire 104, be provided with the storage tank 117,118 of flexible terminal 23 and mating terminals 24 thereof in addition near second sidewall 103; Be provided with a recess 120 in the rear end of the first side wall 102,120 kinks 216 of this recess mechanism that is clasped as first contact terminal 21.

Terminal group comprises first contact terminal 21, second contact terminal 22, flexible terminal 23 and mating terminals 24 thereof altogether.Wherein, first contact terminal 21, second contact terminal 22 are all vertical cutting formula terminal with flexible terminal 23, and flexible terminal 23 and form the pair of switches terminals with mating terminals 24; And the structure of this first contact terminal 21 and second contact terminal 22 is close.First contact terminal 21 with vertical flat plate as first main part 211, on this first main part 211, be provided with the clamping mechanism of the catch 214 of protrusion as first contact terminal 21, extend first contact site 212 of certain bending angle at the front end of first main part 211, the end of this first contact site 212 has the portion that touches 215 conducts of arcuation and the contact site of audio jack 40, then there is a horizontal kink 216 rear end, this kink 216 can form with the kink 216 of the first side wall 102 on the insulating body 10 and be clasped, other is in the bottom of this first main part 211, be provided with first pressure contact portion 213 that is horizontal 90 degree bendings with first main part 211, be provided with the contacting part of concave arc shape at the end of this first pressure contact portion 213; 22 of second contact terminals with vertical flat plate as second main part 221, be provided with in order to fixing protruding thorn 224 at the top of flat board, extend second contact site 222 of certain bending angle at the front end of this second main part 221, the end of this second contact site 222 has the portion that touches 225 conducts and audio jack 40 contact sites of arcuation, other is in the bottom of this second main part 221, be provided with second pressure contact portion 223 that is horizontal 90 degree bendings with second main part 221, be provided with the contacting part of concave arc shape at the end of this second pressure contact portion 223; 23 of flexible terminals are as the 3rd main part 231 with vertical flat plate, be provided with in order to fixing protruding thorn 234 at the top of the 3rd main part 231, and on the 3rd main part 231, be provided with a laterally projecting elastic arm 232 as with the contact site of audio jack 40, this elastic arm 232 is the convex design, form the contact site 235 that touches with mating terminals 24 at its tail end, be provided with the 3rd pressure contact portion 233 that is horizontal 90 degree bendings with the 3rd main part 231 in addition in the bottom of the 3rd main part 231, be provided with the contacting part of concave arc shape at the end of the 3rd pressure contact portion 233; 24 of mating terminals are the structure of a bending type, it is holding section 241 to part directly, upper and lower side in this holding section 241 is provided with in order to fixing protruding thorn 244, holding section 241 and conduct contact partly with flexible terminal 23, then be washer 242 partly laterally, on this washer 242, be provided with the contact part of a shrinkage pool 245 as audio jack 40 terminations, effect with auxiliary fixed-audio plug 40, other is in the bottom of this holding section 241, be provided with the 4th pressure contact portion 243 that is horizontal 90 degree bendings with holding section 241, be provided with the contacting part of concave arc shape at the end of the 4th pressure contact portion 243.

In the present embodiment, accept in first accepting groove 111 that terminal 30 is placed in insulating body 10 the place aheads, this is accepted terminal 30 and also is vertical structure, vertical part is a holding parts 301, dual-side at this holding parts 301 is provided with as fixing protruding thorn 304, and in the middle of this holding parts 301, be provided with as the abutting part 302 that contacts with audio jack 40, this abutting part 302 is the convex design, bottom at this holding parts 301, be provided with the 5th pressure contact portion 303 that is horizontal 90 degree bendings with holding parts 301, be provided with the contacting part of concave arc shape at the end of the 5th pressure contact portion 303.Yet accepting terminal 30 also can be for only comprising the enforcement aspect of holding parts 301 and abutting part 302, only provides to bear most of contact engaging and separating force with voice plug 40 CONTACT WITH FRICTION or change the height of abutting part and obtain the function of the contact engaging and separating force of different sizes.

In the utility model, the structural design of terminal is to facilitate the important component of the utility model original creation, all terminals all are with the elasticity crimp design, extend outward from each main part afterbody with 90 degree bendings, are provided with a pressure contact portion to reach the function that is connected with printed circuit board (PCB) in the crimp type terminal end.

Product upper terminal leg major part at this type of socket connector all is to use surperficial gluing (SMT) or the design of perforation formula at present, the terminal leg directly welded or bore a hole fixing on circuit board, this kind gluing formula is comparatively not good for the assembling of this product, and, socket connector is fixed in defective on the printed circuit board (PCB) than effectively improving because this socket connector terminal is to adopt compression joint type to touch with contacting of printed circuit board (PCB).

Assembling mode of the present utility model is very simple, accept penetrate in first accepting groove 111 of terminal 30 from the bottom 104 of insulating body 10 fixing, this abutting part 302 of accepting terminal 30 is convexly set in the spliced eye passage that runs through insulating body 10, can provide bigger contact engaging and separating force with audio jack 40 CONTACT WITH FRICTION, and can be by changing the inwardly outstanding height of abutting part 302 control audio plug 40 and the CONTACT WITH FRICTION degree of accepting terminal 30, to obtain the contact engaging and separating forces of different sizes.Then 23 of the flexible terminals in the terminal group are arranged in the receiving space of contiguous second sidewall 103 in the insulating body 10, protruding thorn 234 on this main part 231 also is housed in the holding hole 112 on the insulating body 10,24 of the mating terminals of this flexible terminal 23 are contained in the storage tank 117 of insulating body 10 afterbodys, 241 of its retaining sheets fasten at the elasticity intensity of variation of the outstanding back of the body of elasticity 232 ends with the outstanding back of the body 232 of restriction elasticity, and the protruding thorn 244 on this retaining sheet 241 also is housed in the holding hole 112 on the insulating body 10, simultaneously with first and second contact terminal 21,22 first and second slits 115 that are arranged in aforementioned contiguous the first side wall 102 receiving spaces, in 116, wherein, 214 of the catch of first contact terminal 21 are held on the opening 113 on second sidewall 103, and the protruding thorn 224 on the main part 221 of second contact terminal 22 also is housed in the holding hole 112 on the insulating body 10, be used for fixing second contact terminal 22, treat contact terminal 21,22,23 all fixing after, mating terminals 24 is contained in the storage tank 117 of insulating body 10 afterbodys, and its holding section 241 is contacted with flexible terminal 23.In addition, first to fourth pressure contact portion 213,223,233,243 is set on the aforementioned terminal group and the 5th pressure contact portion 303 accepted on the terminal 30 all extends out from the diapire 104 of insulating body 10,, shows the signal transmission especially to electrically connect with printed circuit board (PCB).

The structure execution mode that the utility model disclosed is the utility model for convenience of description, be not in order to limit scope of the present utility model, everyly understand this operator by specification of the present utility model, being modified in of being done do 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. audio socket connector structure-improved, this connector mainly is to include an insulating body, terminal group and accept terminal; It is characterized in that this terminal group is outward extended pressure contact portion with 90 degree bendings from each main part afterbody with to accept terminal all be with the elasticity crimp design, the end of these pressure contact portions be provided with a contacting part as with the contact point of circuit board.

2. audio socket connector structure-improved as claimed in claim 1, it is characterized in that, wherein, accept terminal and comprised a basic courses department that is positioned at insulator, one protuberance is arranged in order to push down plug in foundation, reach one by the pressure contact portion of basic courses department with 90 degree bending extensions.

3. audio socket connector structure-improved as claimed in claim 1, it is characterized in that, wherein, spatial accommodation when having slotted hole conduct to accept the terminal insertion in the insulating body bottom, the position of these slotted holes is relative with the oblong openings on the insulating body end face, and this accepting groove can be inserted fully for accepting terminal.

4. audio socket connector structure-improved as claimed in claim 1, it is characterized in that wherein, having one can supply to put the oblong openings that be positioned at the anti-unloading device on the terminal in the insulating body side, the position of these oblong openings and anti-unloading device are inconsistent, to reach the effect of anti-back.

5. audio socket connector structure-improved as claimed in claim 1, it is characterized in that, wherein, insulating body is the main part of a cuboid, this main part comprises roof, the first side wall, second sidewall and diapire, be provided with first accepting groove at the end of this roof in contiguous docking section near outside the first side wall, and this first accepting groove is connected with spliced eye in the insulating body, it is ccontaining that this first accepting groove is that terminal is accepted in confession.

6. audio socket connector structure-improved as claimed in claim 5 is characterized in that, wherein, also being provided with an opening on this first side wall limit is the catch deduction of using for first contact terminal.

7. audio socket connector structure-improved as claimed in claim 5, it is characterized in that, wherein, in first slit and second slit that are respectively equipped with the spliced eye that joins on the receiving space of insulating body rearward end on roof and diapire near the position of the first side wall, these slits are the storage tanks as first contact terminal and second contact terminal; On roof and diapire, be provided with the storage tank of flexible terminal and mating terminals thereof in addition near second sidewall.

8. audio socket connector structure-improved as claimed in claim 5 is characterized in that, wherein, is provided with a recess in the rear end of the first side wall, and this recess is then as the kink of first contact terminal mechanism that is clasped.

9. audio socket connector structure-improved as claimed in claim 1 is characterized in that, wherein, terminal group comprises first contact terminal, second contact terminal, flexible terminal and mating terminals thereof altogether.Wherein, first contact terminal, second contact terminal and flexible terminal are all vertical cutting formula terminal, and flexible terminal and form the pair of switches terminal with mating terminals.

10. audio socket connector structure-improved as claimed in claim 9, it is characterized in that, wherein, first contact terminal with vertical flat plate as first main part, on this first main part, be provided with the clamping mechanism of the catch of protrusion as first contact terminal, extend first contact site of certain bending angle at the front end of first main part, the end of this first contact site has the portion that the touches conduct of arcuation and the contact site of audio jack, then there is a horizontal kink rear end, in the bottom of this first main part, be provided with first pressure contact portion that is horizontal 90 degree bendings with first main part in addition.

11. audio socket connector structure-improved as claimed in claim 9, it is characterized in that, wherein, second contact terminal then with vertical flat plate as second main part, be provided with in order to fixing protruding thorn at the top of flat board, extend second contact site of certain bending angle at the front end of this second main part, the end of this second contact site has the portion that the touches conduct of arcuation and the contact site of audio jack, in the bottom of this second main part, be provided with second pressure contact portion that is horizontal 90 degree bendings with second main part in addition.

12. audio socket connector structure-improved as claimed in claim 9, it is characterized in that, wherein, flexible terminal then is as the 3rd main part with vertical flat plate, be provided with in order to fixing protruding thorn at the top of the 3rd main part, and on the 3rd main part, be provided with a laterally projecting elastic arm as with the contact site of audio jack, this elastic arm is the convex design, form the contact site that touches with mating terminals at its tail end, in the bottom of the 3rd main part, be provided with the 3rd pressure contact portion that is horizontal 90 degree bendings with the 3rd main part in addition.

13. audio socket connector structure-improved as claimed in claim 9, it is characterized in that, wherein, mating terminals then is the structure of a bending type, it is the holding section to part directly, upper and lower side in this holding section is provided with in order to fixing protruding thorn, holding section and conduct contact partly with flexible terminal, then be washer partly laterally, on this washer, be provided with the contact part of a shrinkage pool as the audio jack termination, effect with auxiliary fixed-audio plug in addition in the bottom of this holding section, is provided with the 4th pressure contact portion that is horizontal bending with the holding section.

14. audio socket connector structure-improved as claimed in claim 9, it is characterized in that, wherein, accept in first accepting groove that terminal is placed in insulating body the place ahead, this is accepted terminal and also is vertical structure, vertical part is a holding parts, dual-side at this holding parts is provided with as fixing protruding thorn, and is provided with in the middle of this holding parts as the abutting part that contacts with audio jack, and this abutting part is the convex design, in the bottom of this holding parts, be provided with the 5th pressure contact portion that is horizontal bending with holding parts.

15. audio socket connector structure-improved as claimed in claim 14 is characterized in that, wherein, accepting terminal also can be for only comprising the enforcement aspect of holding parts and abutting part.