CN205355319U - Card connector - Google Patents

Abstract

The utility model provides a card connector, includes insulator and installs a plurality of conductive terminal on insulator, insulator is equipped with the diapire and is located the accommodating space of diapire top, run through about being equipped with on the diapire with the through hole of accommodating space intercommunication, conductive terminal is equipped with and accepts the through hole with main part in the accommodating space, the main part includes projection income accommodating space's contact site and with the elastic arm that the contact site is connected, the elastic arm includes goes into from contact site slope downwardly extending first forearm in the through hole, with first forearm bottom horizontally connect's first turn of bilge and extend and fix from first turn of bilge continuation level forward the through hole front side the intramural arm in the end, arm rest is near before first the one end outward flange of contact site is bent downwards and is formed a plane guide surface of slope. So, improve conductive terminal's elastic deformation ability, extension conductive terminal's life.

Description

Card connector

Technical field

This utility model relates to a kind of card connector.

Background technology

In recent years due to electronic card form store media have amount of storage compact, high, shatter-proof, can the repeatedly excellent specific property such as repetitive memory, be therefore used in widely on information household appliances, personal computer or portable digital product.When electronic cards is connected with electronic product, it is necessary to by card connector as transmission medium, in order to the reading of main frame and storage.

Prior art refer to shown in the open CN103050806A patent of Chinese invention patent, the contact site of the terminal of described card connector is in the form of sheets, identical with contact site bearing of trend with the elastic arm bearing of trend that contact site connects, described contact site is upturned, so that strengthening the contact resilient of terminal.

But the elastic contact arm of the terminal of this class formation only designs the elastic deformation in a direction, and cannot realize adding large deformation on the other direction be perpendicular to this deformation direction, after terminal is by permanent compacting, then it is susceptible to stress deformation, spring function can not be recovered, and then this adapter is damaged.

Therefore truly have and must design a kind of new card connector and conducting terminal thereof, solved above-mentioned technical problem.

Utility model content

This utility model is for prior art Problems existing, it is provided that the card connector that a kind of conducting terminal elasticity capacity is stronger.

For achieving the above object, this utility model provides a kind of card connector, including insulating body and the some conducting terminals being arranged 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 and runs through the through hole connected with described receiving space up and down, described conducting terminal is provided with and is housed in described through hole and the main part in described receiving space, described main part includes the contact site protruding into described receiving space and the elastic arm being connected with described contact site, described elastic arm includes the first forearm extending obliquely downward in described through hole from contact site, the first turn of bilge of being connected with described first forearm bottom level and continue forward horizontal-extending 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 further improvement of the utility model, described arm includes and described first turn of bilge anterior end the first arm connected horizontally and continue the second arm extended to form from described first arm, described first arm extends in left-right direction, and described second arm extends along the longitudinal direction.

As further improvement of the utility model, described first arm and described first forearm are respectively positioned on the right side of described first turn of bilge.

As further improvement of the utility model, it is perpendicular with described second arm extension place straight line that described first arm extends place straight line.

As further improvement of the utility model, described first turn of bilge, the first arm and the second arm are coplanar is positioned at described through hole and upwards without departing from described diapire end face.

As further improvement of the utility model, described main part also include 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 further improvement of the utility model, 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 respectively positioned on the same side of the junction point of described second arm and insulating body and the 4th arm and the junction point place straight line of insulating body.

As further improvement of the utility model, described first turn of bilge is the opening bending structure towards side, described contact site place, the medial border of described first turn of bilge is formed bottom medial border, described first forearm is connected with described first turn of bilge rear end bending, and described bending connects the folding line formed bottom the described medial border of described first turn of bilge.

As further improvement of the utility model, described first forearm and described first postbrachium are co-located in 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 further improvement of the utility model, forming the second angle between described first forearm and described first postbrachium, the angular range of described second angle is between 90 ° ± 5 °.

The beneficial effects of the utility model: this utility model card connector by arranging plane first guiding face and plane second guiding face by the main part of conducting terminal near the position of contact site, arrange the Kato making to be loaded with electronic cards to insert or to exit guiding smooth and easy, plug-in card good hand touch, anti-latch bracket seat occurs hook friction thus damaging Kato, in addition contact site stress can be made steady, during lower pressure conducting terminal, conducting terminal torsional deformation rule, be conducive to extending the service life of 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 improving 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 of formation between described first bending part and described first turn of bilge bottom the described medial border of described first turn of bilge, make elastic arm when being pressed under electronic cards, the first forearm will not be made to be upturned by the first turn of bilge, it is to avoid conducting terminal, with electronic cards, the bad risk contacted occurs.

Accompanying drawing explanation

Fig. 1 is the three-dimensional combination figure of this utility model card connector, and it contains electronic cards.

Fig. 2 is the part isometric decomposing schematic representation of card connector shown in Fig. 1.

Fig. 3 is the part isometric decomposing schematic representation of this utility model card connector.

Fig. 4 is the part isometric decomposing schematic representation of this utility model another angle of card connector.

Fig. 5 is the perspective exploded view that this utility model card connector decomposes further.

Fig. 6 is the perspective exploded view of this utility model card connector.

Fig. 7 is the schematic top plan view that this utility model card connector removes shielding casing.

Fig. 8 is the schematic perspective view of this utility model card connector conducting terminal main part.

Fig. 9 is the side schematic view of this utility model card connector conducting terminal main part.

Detailed description of the invention

Below with reference to accompanying drawing, this utility model is described in detail.In order to express easily, hereafter the electronic cards 900 of card connector 100 being inserted and look closely for 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 being perpendicular to the direction of insertion of electronic cards 900 is left and right directions.

Refer to shown in Fig. 1 to Fig. 9, this utility model provides a kind of card connector 100, including insulating body 1, the some conducting terminals 2 being fixed on insulating body 1, the trip mechanism 3 being arranged on insulating body 1, is arranged on insulating body 1 and to 6 and covers the shielding casing 7 above insulating body 1 for the position-limit mechanism 4 of spacing extraneous electronic cards 900 direction of insertion, the inspection terminal strengthened plate 5, be fixed on insulating body 1 that is overmolded onto in described insulating body 1.

Described insulating body 1 is provided with diapire 11, the left side wall 12 upwardly extending formation from diapire 11 left and right sides respectively and right side wall 13, upwardly extends the rear wall 14 of formation from diapire 11 rear end and at described diapire 11, receiving space 10 between described left and right sidewall 12,13 and described rear wall 14, and 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 include being 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 is provided with the first chute 121 of concave downward formation, is 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 to the left so that described first chute 121 is in communication with the outside.Described first stopper slot 122 also extends to form along the longitudinal direction, and connects 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 connects in left-right direction with described receiving space 10.

Described rear wall 14 be provided with near one end of described left side wall 12 the first of concave downward step down chamber 141, be positioned at the first step down bottom surface 142 bottom chamber 141 and raising up from described bottom surface 142 and 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, and described resigning hole 146 is positioned at the front, left side of described first draw-in groove 145.Described first draw-in groove 145 connects with before and after described receiving space 10 along the longitudinal direction.

Described reinforcement plate 5 and described some conducting terminals 2 are that same material strip die cut is formed.It addition, described reinforcement plate 5 is overmolded onto in described diapire 11, so arrange so that the diapire 11 of described insulating body 1 has relatively thin thickness, described insulating body 1 can be reduced again in the rigidity being perpendicular on diapire direction simultaneously.The described total six roots of sensation of some conducting terminals 2 one, wherein three have the first main part 21 being exposed to respectively in each described first through hole 111, the first weld part 22 being exposed in described 3rd through hole 113 and the first fixed part (non-label) being overmolded onto 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 downwardly extends concordant with the bottom surface of described diapire 11 for being soldered on circuit board (not shown).Other three have the second main part 23 being exposed to respectively in each described second through hole 112, the second weld part 24 being exposed in described 3rd through hole 113 and and the second fixed part (non-label) of being overmolded onto in the described diapire 11 between described second through hole 112 and described 3rd through hole 123, described second fixed part connects described second main part 23 and described second weld part 24.Described second weld part 24 downwardly extends the bottom surface with described diapire 11 and flushes to be soldered on circuit board (not shown).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, therefore only the first main part 21 is described at this.Substantially symmetrical in the front and back along the longitudinal direction W type of described first main part 21 collapses PIN preventing described conducting terminal 2.Described first main part 21 has the first centrally located contact site 211 and the elastic arm (non-label) being connected with the first contact site 211.Described elastic arm includes the first forearm 212 that top rake extends to the left on front side of the first contact site 211, continue to highlight to the left the first turn of bilge 213 of extension 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, tilt the first postbrachium 216 extended to left rear side on rear side of the first contact site 211, continue to highlight to the left the second turn of bilge 217 of extension from the first postbrachium 216, left and right directions along described card connector 100 extends to the right from the second turn of bilge 217 the 3rd arm 218 and continue the 4th arm 219 extended back from described 3rd arm 218 along the fore-and-aft direction of described card connector 100, described 4th arm 219 is connected by before and after described first fixed part with described first weld part 22.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 respectively 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 the 212, first turn of bilge the 213, first arm 214 and the second arm 215 are symmetrical along described first contact site 211 left and right directions place straight line before and after image with described first postbrachium the 216, second turn of bilge the 217, the 3rd arm 218 and the 4th arm 219.Described first turn of bilge the 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 the 213, second turn of bilge 217 is embodied in substantially V-shaped structure.Described first arm 214 all extends in left-right direction with described three arms 218, and the first arm 214 extends place straight line, and to extend place straight line with described 3rd arm 218 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 the 213, second turn of bilge the 217, first arm the 214, first forearm the 212, the 3rd arm 218 and the first postbrachium 216 are respectively positioned on the same side of the junction point of described second arm 215 and insulating body 1 and the 4th arm 219 and the junction point place straight line of insulating body 1, it is so designed that, make elastic arm when being pressed for 900 times by electronic cards, first turn of bilge 213 and the second turn of bilge 217 ora terminalis will not be upturned, it is to avoid conducting terminal, with electronic cards, the bad risk contacted occurs.

It addition, described first arm 214 extends place straight line extends the perpendicular R0 at an angle of place straight line with described second arm 215, the angular range of described angle R0 is be more than or equal to 90 °, in this utility model, it is preferable that 90 °.Described 3rd arm 218 extends place straight line and extends straight line substantially vertical setting in place with described 4th arm, and in this utility model, preferred vertical is 90 °.So arranging, described in gained, first forearm the 212, first postbrachium 216 can have maximum effective elasticity length.In the present embodiment, described first arm the 214, the 3rd arm 218 drives described first contact site 211 to make elastic movement in left-right direction.Described second arm the 215, the 4th arm 219 drives described first contact site 211 to make elastic movement along the longitudinal direction.It addition, described first turn of bilge the 213, second turn of bilge the 217, first arm the 214, second arm the 215, the 3rd arm 218 and the 4th arm 219 are respectively positioned in described through hole 111 and upwards without departing from described diapire 11 end face.

Please joining shown in Fig. 8, Fig. 9, described first turn of bilge the 213, second turn of bilge the 217, first arm the 214, second arm the 215, the 3rd arm 218 and the 4th arm 219 are positioned at same level A.So arranging, the stable gravity center strengthening described conducting terminal 2 is qualitative.As viewed from the side of described first main part 21, described first forearm the 212, first postbrachium 216 then 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 °, it is not less than 30 °, preferably 45 ° in the present embodiment, so arranging, the convenient Kato (not shown) carrying described electronic cards 900 plugs smoothly.Additionally forming the second angle R2 between described first forearm 212 and described first postbrachium 216, the angular range of described second angle R2 is between 90 ° ± 5 °, it is preferable that 90 °.So arrange with the gradient of described first forearm 212 with described first postbrachium 216 ensureing described conducting terminal 2, it is ensured that described Kato inserts and good grafting feel smoothly.

In this utility model, described first contact site 211 is positioned at the left side of the straight line extending 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 can also 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 being connected with described first turn of bilge 213 rear end bending and the first arm 2122 extended that is inclined upwardly to the right from the first bending part 2121, and the top of described first arm 2122 is connected with described first contact site 211.The medial border of above-mentioned first turn of bilge 213 is formed with bottom medial border 2131, and the folding line formed between described first bending part 2121 and described first turn of bilge 213 is bottom the described medial border of described first turn of bilge 213 2131.It is arranged so that when conducting terminal 2 is pressed down, avoids described first forearm 212 bottom surface contact circuit board to cause that described first turn of bilge 213 upwarps the risk contacting electronic cards 900 as far as possible.Described first arm 2122 is compared downwards described first arm 2122 place plane bent 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 and the second guiding face 2163 of 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 are symmetrically positioned in the side, front and back of described first contact site 211.Be arranged so that be loaded with electronic cards 900 Kato insert or exit guiding smooth and easy, plug-in card good hand touch, simultaneously as first guiding face the 2123, second guiding face 2163 outer ledge downward bending, make conducting terminal 2 hook friction will be occurred thus damaging Kato with Kato, additionally, owing to 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 stress steady, under when pressing described conducting terminal 2, conducting terminal 2 torsional deformation rule, is conducive to extending the service life of 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 inside described first turn of bilge 213 as far as possible, so arrange, making when described conducting terminal 2 is pressed down time, the first turn of bilge 213 and the second turn of bilge 217 that reduce conducting terminal 2 are upturned and contact the risk of electronic cards 900.

Please joining shown in Fig. 6, Fig. 7, described trip mechanism 3 includes handle part 31 and pushes against, with described handle part 31, the push piece 32 coordinated.Described handle part 31 has the slipping part 312 being housed in described first chute 121, be positioned at described slipping part 312 rear end bayonet socket 313 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 is provided with rotation and is housed in the described first rotary body stepping down in chamber 141 (non-label), runs through described rotary body to be nested with the rotating hole 322 of described jack-post 143.Told rotary body has the first rotating arm 321 being buckled in by end in described bayonet socket 313 and extends the second contrary turning arm 323 with described first rotating arm 321.When described card connector 100 is not inserted into electronic cards 900, the end of described second turning arm 323 extends in described receiving space 10.

Described position-limit mechanism 4 includes the first locating part 41 in the first stopper slot 122 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 the first pressure section 411 protruded into from left to right in described receiving space 10, and described second locating part 42 is provided with elasticity the second pressure section 421 that right-to-left protrudes 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 include the first inspection terminal 61 in described first draw-in groove 145 being arranged on described rear wall 14 to 6 and be arranged on the resigning hole 146 of described rear wall 14 in the second inspection terminal 62.Described first inspection terminal is provided with first detecting part 611 prominent forward to described receiving space 10 direction and the second detecting part 612 extended to form from described first detecting part 611 to left back.Described second inspection terminal 62 is provided with the location division 621 being fixed on described diapire 11 and upwards rushes across described resigning hole 146 from described location division 621 and be exposed to the 3rd detecting part 622 above described diapire 11, and described 3rd detecting part 622 is connected with each other with described second detecting part 612 or disconnects reaching detection signal transmission.

In sum, this utility model 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, it is right side in the present embodiment, make the first forearm 212 and arm 214,215 elastic arm as the first contact site 211, can have sufficiently long effective elasticity length, thus improving the elastic deformability of conducting terminal 2；And described first forearm 212 is set up separately in the side, front and back of the first turn of bilge 213 with arm 214,215, the folding line being simultaneously connected with the first turn of bilge 213 bending by the first forearm 212 is bottom the described medial border of described first turn of bilge 213 2131, make elastic arm when being pressed for 900 times by electronic cards, described first turn of bilge 213 will not be upturned by described first forearm 212, it is to avoid the bad risk contacted occurs conducting terminal 2 with electronic cards 900.

It is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.

The a series of detailed description of those listed above is only for illustrating of feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, all should be included within protection domain of the present utility model without departing from this utility model skill equivalent implementations of making of spirit or change.

Claims (10)

1. a card connector, including insulating body and the some conducting terminals being arranged 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 and runs through the through hole connected with described receiving space up and down, described conducting terminal is provided with and is housed in described through hole and the main part in described receiving space, described main part includes the contact site protruding into described receiving space and the elastic arm being connected with described contact site, it is characterized in that: described elastic arm includes the first forearm extending obliquely downward in described through hole from contact site, the first turn of bilge of being connected with described first forearm bottom level and continue forward horizontal-extending 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.

2. card connector as claimed in claim 1, it is characterized in that: described arm includes and described first turn of bilge anterior end the first arm connected horizontally and continue the second arm extended to form from described first arm, described first arm extends in left-right direction, and described second arm extends along the longitudinal direction.

3. card connector as claimed in claim 2, it is characterised in that: described first arm and described first forearm are respectively positioned on the right side of described first turn of bilge.

4. card connector as claimed in claim 2 or claim 3, it is characterised in that: it is perpendicular with described second arm extension place straight line that described first arm extends place straight line.

5. card connector as claimed in claim 2 or claim 3, it is characterised in that: described first turn of bilge, the first arm and the second arm are coplanar is positioned at described through hole and upwards without departing from described diapire end face.

6. as claimed in claim 2 or claim 3 card connector, it is characterised in that: described main part also include 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.

7. card connector as claimed in claim 6, it is characterised in that: 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 respectively positioned on the same side of the junction point of described second arm and insulating body and the 4th arm and the junction point place straight line of insulating body.

8. card connector as claimed in claim 6, it is characterized in that: described first turn of bilge is the opening bending structure towards side, described contact site place, the medial border of described first turn of bilge is formed bottom medial border, described first forearm is connected with described first turn of bilge rear end bending, and described bending connects the folding line formed bottom the described medial border of described first turn of bilge.

9. card connector as claimed in claim 6, it is characterised in that: described first forearm and described first postbrachium are co-located in 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 °.

10. card connector as claimed in claim 9, it is characterised in that: forming the second angle between described first forearm and described first postbrachium, the angular range of described second angle is between 90 ° ± 5 °.