Summary of the invention
The present invention is directed to prior art Problems existing, provide the card connector that a kind of conducting terminal elasticity capacity is stronger.
For achieving the above object, the invention provides a kind of card connector, comprise insulating body and be arranged on the some conducting terminals on insulating body, described insulating body is provided with diapire and is positioned at the receiving space above described diapire, described diapire is provided with the through hole running through up and down and be communicated with described receiving space, described conducting terminal is provided with the main part be housed in described through hole and described receiving space, described main part comprises the contact site protruding into described receiving space and the elastic arm be connected with described contact site, described elastic arm comprises the first forearm tilting to extend down in described through hole from contact site, the first turn of bilge be connected with described first forearm bottom level and continue horizontal-extending forward from the first turn of bilge and be fixed on the arm in the described diapire on front side of described through hole, described first forearm forms near one end outward flange downward bending of described contact site plane first guiding face of inclination.
As a further improvement on the present invention, described arm comprises the second arm extended to form with described first turn of bilge anterior end the first arm connected horizontally and continuing from described first arm, described first arm extends in left-right direction, and described second arm extends along the longitudinal direction.
As a further improvement on the present invention, described first arm and described first forearm are all positioned at the right side of described first turn of bilge.
As a further improvement on the present invention, described first arm extends place straight line and described second arm to extend place straight line perpendicular.
As a further improvement on the present invention, described first turn of bilge, the first arm and the second arm are coplanar is positioned at described through hole and does not upwards exceed described diapire end face.
As a further improvement on the present invention, described main part also comprise with described first forearm, the first turn of bilge, the first arm and the second arm before and after symmetrical one by one and mirror image the first postbrachium, the second turn of bilge, the 3rd arm and the 4th arm that arrange.
As a further improvement on the present invention, the projection in the horizontal plane of described contact site and described first turn of bilge, the second turn of bilge, the first arm, the first forearm, the 3rd arm and the first postbrachium are all positioned at the same side of the tie point of described second arm and insulating body and the tie point place straight line of the 4th arm and insulating body.
As a further improvement on the present invention, described first turn of bilge is the bending structure of opening towards side, described contact site place, the medial margin of described first turn of bilge is formed bottom medial margin, described first forearm is connected with described first turn of bilge rear end bending, and the folding line that described bending is connected to form is bottom the described medial margin of described first turn of bilge.
As a further improvement on the present invention, described first forearm and described first postbrachium are co-located on an inclined plane, form the first angle between described inclined plane and horizontal plane, and described first angle is not more than 60 °, is not less than 30 °.
As a further improvement on the present invention, form the second angle between described first forearm and described first postbrachium, the angular range of described second angle is between 90 ° ± 5 °.
Beneficial effect of the present invention: card connector of the present invention is by arranging plane first guiding face and plane second guiding face by the main part of conducting terminal near the position of contact site, the Kato being arranged to be loaded with electronic cards inserts or to exit guiding smooth and easy, plug-in card good hand touch, there is hook friction thus damage Kato in anti-latch bracket seat, in addition contact site can be made steadily stressed, when pressing down conducting terminal, conducting terminal torsional deformation rule, is conducive to the useful life extending conducting terminal; In addition the first forearm of conducting terminal and arm are separately positioned on the first turn of bilge the same side towards described contact site, make the first forearm and arm can have sufficiently long effective elasticity length as the elastic arm of contact site, thus improve conducting terminal elastic deformability; And described first forearm and arm section are located at the side, front and back of the first turn of bilge, simultaneously by the folding line that formed between described first bending part and described first turn of bilge bottom the described medial margin of described first turn of bilge, make elastic arm when being pressed down by electronic cards, the first forearm can not be made to be upturned by the first turn of bilge, to avoid conducting terminal and electronic cards that the bad risk contacted occurs.
Embodiment
Describe the present invention below with reference to accompanying drawing.In order to express easily, hereafter electronic cards 900 insertion end of card connector 100 is considered as front end, its other end is considered as rear end, and electronic cards 900 direction of insertion is fore-and-aft direction, and the direction perpendicular to the direction of insertion of electronic cards 900 is left and right directions.
Refer to shown in Fig. 1 to Fig. 9, the invention provides a kind of card connector 100, comprise insulating body 1, the some conducting terminals 2 be fixed on insulating body 1, the trip mechanism 3 be arranged on insulating body 1, be arranged on insulating body 1 is used for the position-limit mechanism 4 of spacing extraneous electronic cards 900 direction of insertion, the stiffener 5 be overmolded onto in described insulating body 1, be fixed on inspection terminal on insulating body 1 to 6 and the shielding casing 7 that covers above insulating body 1.
Described insulating body 1 is provided with diapire 11, from diapire 11 left and right sides respectively to the left side wall 12 above extended to form and right side wall 13, the rear wall 14 upwards extended to form from diapire 11 rear end and the receiving space 10 between described diapire 11, described left and right sidewall 12,13 and described rear wall 14, described receiving space 10 is positioned at the top of described diapire 11.
Described diapire 11 is provided with seven through holes (non-label) run through up and down between described left and right sidewall 12,13, and described seven through holes comprise and are arranged as first through hole 111, second through hole 112 of three rows and the 3rd through hole 113 between described first through hole 111 and described second through hole 112 along the longitudinal direction.Described first through hole 111 includes three, and described second through hole 112 includes three, and described 3rd through hole 113 is one.
Described left side wall 12 be provided be recessed to form downwards the first chute 121, be positioned at the first stopper slot 122 inside described first chute 121.Described first chute 121 is positioned at the outside of described left side wall 12 and described left side wall 12 front end is run through left described first chute 121 is in communication with the outside.Described first stopper slot 122 also extends to form along the longitudinal direction, and is communicated with described receiving space 10 in left-right direction.Described right side wall 13 is provided with second stopper slot 131 corresponding with described first stopper slot 122, and described second stopper slot 131 is communicated with in left-right direction with described receiving space 10.
Described rear wall 14 is provided with near one end of described left side wall 12 chamber 141 of stepping down to first of lower recess, be positioned at the first step down bottom surface 142 bottom chamber 141 and raising up from described bottom surface 142 to step down described first the jack-post 143 in chamber 141.Described bottom surface 142 is higher than the end face of described diapire 11.Described rear wall 14 is provided with the first draw-in groove 145 that left and right extends and the resigning hole 146 running through described diapire 11 up and down near one end of described right side wall 13, described resigning hole 146 is positioned at the front, left side of described first draw-in groove 145.Described first draw-in groove 145 is communicated with along the longitudinal direction with before and after described receiving space 10.
Described stiffener 5 is that same material strip die cut is formed with described some conducting terminals 2.In addition, described stiffener 5 is overmolded onto in described diapire 11, so arranges, and makes the diapire 11 of described insulating body 1 have thinner thickness, can reduce again described insulating body 1 perpendicular to the rigidity on diapire direction simultaneously.The total six roots of sensation of described some conducting terminals 2 one, wherein three have the first main part 21 be exposed to respectively in each described first through hole 111, are exposed to the first weld part 22 in described 3rd through hole 113 and are overmolded onto the first fixed part (non-label) in the described diapire 11 between described first through hole 111 and described 3rd through hole 123, and described first fixed part connects described first main part 21 and described first weld part 22.Described first weld part 22 is concordant with the bottom surface of described diapire 11 for being soldered on circuit board (not shown) to downward-extension.Other three there is the second main part 23 be exposed to respectively in each described second through hole 112, be exposed to the second weld part 24 in described 3rd through hole 113 and and the second fixed part (non-label) in being overmolded onto between described second through hole 112 and described 3rd through hole 123 described diapire 11, described second fixed part connects described second main part 23 and described second weld part 24.Described second weld part 24 flushes to be soldered on circuit board (not shown) to downward-extension with the bottom surface of described diapire 11.Described first fixed part, the second fixed part relative misalignment arrangement.
Incorporated by reference to shown in Fig. 7 to Fig. 9, described first main part 21 is identical with described second main part 23 structure, is therefore only described the first main part 21 at this.The W type of described first main part 21 along the longitudinal direction roughly in front and back symmetry to collapse PIN to prevent described conducting terminal 2.Described first main part 21 has the first contact site 211 being positioned at centre position and the elastic arm (non-label) be connected with the first contact site 211.Described elastic arm comprises the first forearm 212 of top rake extension left on front side of the first contact site 211, the first turn of bilge 213 giving prominence to extension is to the left continued from the first forearm 212, from the first arm 214 that the first turn of bilge 213 extends to the right along described card connector 100 left and right directions, continue the second arm 215 extended forward along described card connector 100 fore-and-aft direction from described first arm 214, to the first postbrachium 216 that left rear side tilts to extend on rear side of the first contact site 211, the second turn of bilge 217 giving prominence to extension is to the left continued from the first postbrachium 216, the 4th arm 219 that the 3rd arm 218 that left and right directions from the second turn of bilge 217 along described card connector 100 extends to the right and continuing along the fore-and-aft direction of described card connector 100 from described 3rd arm 218 extends back, described 4th arm 219 and described first weld part 22 are by being connected before and after described first fixed part.The free terminal of described second arm 215 is overmolded onto in the described diapire 11 on front side of described first through hole 111.Described first forearm 212 is all positioned on the right side of described first turn of bilge 213 with described first arm 214.Described first postbrachium 216 and described 3rd arm 218 are positioned at the right side of described second turn of bilge 217.
Described first forearm 212, first turn of bilge 213, first arm 214 and the second arm 215 symmetrical along described first contact site 211 left and right directions place straight line before and after image with described first postbrachium 216, second turn of bilge 217, the 3rd arm 218 and the 4th arm 219.Described first turn of bilge 213, second turn of bilge 217 is the bending structure to the right in opening all, and namely opening is towards described first side, contact site 211 place.In present embodiment, the opening shape of described first turn of bilge 213, second turn of bilge 217 is embodied in roughly V-shaped structure.Described first arm 214 extends all in left-right direction with described three arms 218, and the first arm 214 extends place straight line and described 3rd arm 218, and to extend place straight line parallel each other.Described second arm 215 extends all along the longitudinal direction with described 4th arm 219 and described second arm 215 extends place straight line and described 4th arm 219 extends place straight line conllinear along the longitudinal direction.The projection in the horizontal plane of described contact site 211 and described first turn of bilge 213, second turn of bilge 217, first arm 214, first forearm 212, the 3rd arm 218 and the first postbrachium 216 are all positioned at the same side of the tie point of described second arm 215 and insulating body 1 and the 4th arm 219 and the tie point place straight line of insulating body 1, design like this, make elastic arm when being pressed down by electronic cards 900, first turn of bilge 213 and the second turn of bilge 217 ora terminalis can not be upturned, and avoid conducting terminal and electronic cards that the bad risk contacted occurs.
In addition, described first arm 214 extends place straight line and described second arm 215, and to extend place straight line perpendicular be an angle R0, the angular range of described angle R0 for being more than or equal to 90 °, in the present invention, preferably 90 °.Described 3rd arm 218 extends place straight line and extends the substantially vertical setting of place straight line with described 4th arm, and in the present invention, preferred vertical is 90 °.Setting like this, described in gained, the first forearm 212, first postbrachium 216 can have maximum effective elasticity length.In the present embodiment, described first arm 214, the 3rd arm 218 drive described first contact site 211 to make elastic movement in left-right direction.Described second arm 215, the 4th arm 219 drive described first contact site 211 to make elastic movement along the longitudinal direction.In addition, described first turn of bilge 213, second turn of bilge 217, first arm 214, second arm 215, the 3rd arm 218 and the 4th arm 219 are all positioned at described through hole 111 and upwards do not exceed described diapire 11 end face.
Shown in please refer to the drawing 8, Fig. 9, described first turn of bilge 213, second turn of bilge 217, first arm 214, second arm 215, the 3rd arm 218 and the 4th arm 219 are positioned at same level A.Setting like this, the stable gravity center strengthening described conducting terminal 2 is qualitative.Look from the side of described first main part 21, described first forearm 212, first postbrachium 216 tilts upward coplanar on an inclined plane B, one first angle R1 is formed between described inclined plane B and described horizontal plane A, the angular range of described first angle R1 is for being not more than 60 °, be not less than 30 °, preferably 45 ° in the present embodiment, so arrange, the Kato (not shown) of the described electronic cards 900 of convenient carrying plugs smoothly.Form the second angle R2 between described first forearm 212 and described first postbrachium 216 in addition, the angular range of described second angle R2 between 90 ° ± 5 °, preferably 90 °.Setting like this, to ensure described first forearm 212 and the gradient of described first postbrachium 216 of described conducting terminal 2, ensures that described Kato inserts and good grafting feel smoothly.
In the present invention, described first contact site 211 is positioned at the left side extending the straight line at place before and after described second arm 215 and described 4th arm 219, on the right side of described first forearm 212 with described first postbrachium 216 joining place.In other embodiments, described first contact site 211 also can be positioned at the joining place of described first forearm 212 and described first postbrachium 216.Because described first forearm 212 is symmetrical with described first postbrachium 216 before and after image, only described first forearm 212 is described at this.Described first forearm 212 is provided with the first bending part 2121 of being connected with described first turn of bilge 213 rear end bending and is inclined upwardly to the right the first arm 2122 extended from the first bending part 2121, and the top of described first arm 2122 is connected with described first contact site 211.The medial margin of above-mentioned first turn of bilge 213 to be formed with bottom medial margin 2131, and the folding line formed between described first bending part 2121 and described first turn of bilge 213 is bottom the described medial margin of described first turn of bilge 213 2131.When being so arranged so that conducting terminal 2 is pressed down, avoiding described first forearm 212 bottom surface contact circuit plate as far as possible and cause described first turn of bilge 213 to upwarp the risk of contact electronic cards 900.Described first arm 2122 is compared described first arm 2122 place plane bent downwards near one end outward flange of described first contact site 211 and is formed the first guiding face 2123, and in like manner described first postbrachium 216 is also provided with the second guiding face 2163 with described first guiding face 2123 specular.Described first guiding face 2123 is plane with described second guiding face 2163 and arranges, and front and back symmetry is positioned at the side, front and back of described first contact site 211.The Kato being so arranged to be loaded with electronic cards 900 inserts or to exit guiding smooth and easy, plug-in card good hand touch, simultaneously because the first guiding face 2123, second guiding face 2163 outer ledge downward bending, make conducting terminal 2 can not occur to link up with Kato and rub thus damage Kato, in addition, because the first contact site 211 is for being arranged between the first guiding face 2131 and the second guiding face 2163, make the first contact site 211 steadily stressed, when pressing down described conducting terminal 2, conducting terminal 2 torsional deformation rule, is conducive to the useful life extending conducting terminal.In the present embodiment, bottom the bending joining place of described first bending part 2121 and described first turn of bilge 213 angle as far as possible inside described first turn of bilge 213, setting like this, make when described conducting terminal 2 is pressed down time, the first turn of bilge 213 of reduction conducting terminal 2 and the second turn of bilge 217 are upturned and contact the risk of electronic cards 900.
Shown in please refer to the drawing 6, Fig. 7, described trip mechanism 3 comprises handle part 31 and pushes against with described handle part 31 push piece 32 coordinated.Described handle part 31 has the slipping part 312 be housed in described first chute 121, be positioned at the bayonet socket 313 of described slipping part 312 rear end and extend beyond described first chute 121 with described slipping part 312 front end and extend from left to right and can be against the operating portion 311 of described left side wall 12 front end by hook.Described pushing and pressing part 32 be provided with rotate be housed in described first step down rotary body (non-label) in chamber 141, run through described rotary body to be nested with the rotating hole 322 of described jack-post 143.Tell rotary body and have and end be buckled in the first rotating arm 321 in described bayonet socket 313 and extend the second contrary turning arm 323 with described first rotating arm 321.When described card connector 100 does not insert electronic cards 900, the end of described second turning arm 323 extends in described receiving space 10.
Described position-limit mechanism 4 comprises the first locating part 41 in the first stopper slot 122 of being housed on left side wall 12 and is housed in the second locating part 42 in the second stopper slot 131 on right side wall 13.Described first locating part 41 is provided with elasticity first pressure section 411 protruded into from left to right in described receiving space 10, and described second locating part 42 is provided with right-to-left and protrudes into elasticity second pressure section 421 in described receiving space 10.Described first pressure section 411 is relative with described second pressure section about 421, to carry out spacing to the electronic cards 900 inserted and Kato.
Described inspection terminal includes the first inspection terminal 61 be arranged in described first draw-in groove 145 of described rear wall 14 and the second inspection terminal 62 be arranged in the resigning hole 146 of described rear wall 14 to 6.Described first inspection terminal is provided with to the first outstanding forward detecting part 611 of described receiving space 10 direction and the second detecting part 612 of extending to form to left back from described first detecting part 611.Described second inspection terminal 62 is provided with the location division 621 that is fixed on described diapire 11 and upwards rushes across described resigning hole 146 from described location division 621 and is exposed to the 3rd detecting part 622 above described diapire 11, and described 3rd detecting part 622 is interconnected with described second detecting part 612 or disconnects reaching detection signal and transmits.
In sum, the present invention is by being separately positioned on the first turn of bilge 213 the same side towards described contact site 211 by the first forearm 212 of the conducting terminal 2 of card connector 100 with arm 214,215, be right side in the present embodiment, make the first forearm 212 and the elastic arm of arm 214,215 as the first contact site 211, sufficiently long effective elasticity length can be had, thus improve the elastic deformability of conducting terminal 2; And described first forearm 212 and arm 214,215 points are located at the side, front and back of the first turn of bilge 213, the folding line be simultaneously connected with the first turn of bilge 213 bending by the first forearm 212 is bottom the described medial margin of described first turn of bilge 213 2131, make elastic arm when being pressed down by electronic cards 900, described first turn of bilge 213 can not be upturned by described first forearm 212, avoids conducting terminal 2 and electronic cards 900 that the bad risk contacted occurs.
Be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, technical scheme in each execution mode also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility execution mode of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.