CN203367543U - card connector - Google Patents

Abstract

The utility model discloses a card connector for insert and establish a miniature subscriber identity module card. The card connector comprises an insulating body, a plurality of conductive terminals and a shielding shell, wherein the conductive terminals are integrally formed on the insulating body. The insulation body is provided with a rear wall, and a limiting groove is formed in the rear wall in a downward concave mode. The shielding shell covers the insulating body and is provided with a top plate. The top plate is provided with a containing groove. The rear end of the two opposite groove walls of the accommodating groove is connected with a limiting part which is arranged at the rear end of the insulating body in a blocking manner. The limiting part is limited in the limiting groove. When the micro user identification card is completely inserted into the inserting space of the card connector, the rear end of the micro user identification card is abutted against and higher than the top end of the limiting groove and the limiting part of the shielding shell, and the rear end part of the micro user identification card is exposed out of the accommodating groove, so that the micro user identification card is convenient to take out.

Description

card connector

technical field

The utility model relates to a card connector, in particular to a card connector for inserting a miniature user identification card.

Background technique

At present, the mobile phone is developing toward thinner and more compact, and correspondingly, the card connector installed in the mobile phone is correspondingly reduced to meet the development requirements of the mobile phone. An existing card connector is used for inserting a miniature subscriber identification card, which includes an insulating body, a plurality of conductive terminals arranged on the insulating body and a shielding case covered on the insulating body. An inserting space is formed between the shielding case and the insulating body for inserting the miniature subscriber identification card. Generally, the insertion space of existing card connectors for inserting miniature subscriber identification cards is relatively small, and the insulating body of existing card connectors for inserting miniature subscriber identification cards is generally small, causing the insulating body The strength is weak.

But, because the above-mentioned existing card connector that is used to insert the miniature subscriber identification card has less insertion space, when the miniature subscriber identification card is inserted into the insertion space of the existing card connector, it is difficult to take out the miniature subscriber identification card. card, and because the strength of the insulating body of the existing card connector for inserting the miniature subscriber identification card is weak, the insulating body is easily damaged or deformed during the process of taking out the miniature subscriber identification card.

Contents of the invention

The purpose of this utility model is to provide a card connector for inserting a miniature subscriber identification card and ensuring that the insulating body remains in its original form during the process of taking out the miniature subscriber identification card.

To achieve the above object, the utility model provides a card connector, which includes an insulating body, a plurality of conductive terminals and a shielding shell. The insulating body has a bottom wall, a first side wall and a second side wall extending upwards from both sides of the bottom wall, and a bottom wall extending upwards from the rear end of the bottom wall. The rear wall connected by the rear ends of the two side walls. A limiting groove is recessed downward on the rear wall. The conductive terminal is integrally formed on the insulating body. The shielding case is covered on the insulating body, and an insertion space for inserting a micro-subscriber identification card is formed between the shielding case and the insulating body. The shielding case has a top plate. An accommodating groove is opened through the rear end of the top plate. The rear ends of the two opposite groove walls of the accommodating groove are connected to a limiting part which is arranged on the rear end of the insulating body. The limiting part is clamped on the bottom wall of the limiting groove and limited in the limiting groove. When the miniature subscriber identification card is fully inserted into the insertion space of the card connector, the rear end of the miniature subscriber identification card is against and higher than the top of the limit slot of the insulating body and the limit portion of the shielding housing, and the miniature subscriber The back end of the user identification card is exposed in the accommodating slot.

Wherein, the limiting portion is in a right-angle shape, and the limiting portion has a horizontally arranged limiting piece extending downward from the rear ends of the two opposite groove walls and connecting to each other, and a rear end of the limiting piece The reinforcing piece extending downwards, the limiting piece of the limiting part is clamped on the bottom wall of the limiting groove and limited in the limiting groove, and the reinforcing piece of the limiting part is held by the rear of the insulating body the back of the wall.

Wherein, the insulating body is provided with a first switch terminal groove penetrating through the upper part and outside of the first side wall, and a second switch terminal groove penetrating through the upper part, rear part and front part of the rear wall adjacent to the side of the first side wall, so The card connector includes a first switch terminal installed in the first switch terminal groove and a second switch terminal installed in the second switch terminal groove, the first switch terminal and the second switch terminal are electrically connected contact or separation.

Wherein, the first switch terminal has a first holding arm, a first contact arm and a first welding arm, and the second switch terminal has a second holding arm, a second contact arm and a second welding arm. arm, the first holding arm is fixed in the first switch terminal groove, the first contact arm protrudes above the bottom wall of the insulating body, and the first welding arm protrudes from the outside of the first switch terminal groove Outside the insulating body, the second holding arm is held in the second switch terminal groove, the second contact arm protrudes above the bottom wall of the insulating body and is located outside the first contact arm, and the second welding arm passes through The outside of the second switch terminal groove protrudes from the insulating body, and the first contact arm is in electrical contact with or separated from the second contact arm.

Wherein, the insulating body defines a slot through the rear end of the first side wall and the rear end of the bottom wall adjacent to the side of the first side wall. The first switch terminal slot and the second switch terminal slot communicate with the slot, the bottom of the first contact arm extends downward to form a first retaining arm, and the bottom of the second contact arm extends downward to form a first Two retaining arms, the first retaining arm is arranged in the slot and retains the inner end of the inner groove wall of the slot, and the second retaining arm is arranged in the slot and retains on the inner side of the groove The outer end of the inner groove wall is spaced apart from the outer side of the first retaining arm.

Wherein, the shielding shell has two side plates extending downward from both sides of the top plate and two fixing plates extending downward from both sides of the rear end of the top plate, and the bottom edge of one side plate of the shielding shell is recessed inwardly. A groove, the first welding arm of the first switch terminal protrudes outside the shielding case through the groove, and the second welding arm of the second switch terminal protrudes outside the shielding case through the bottom of the fixing plate.

Wherein, the outer peripheral edge of the insulating body protrudes outwards with a plurality of fastening blocks, and the outer peripheral edge of the insulating body protrudes outwards with a plurality of fastening blocks, and the shielding shell has two downwardly extending from both sides of the top plate. The side plate and two fixing plates extending downward from both sides of the rear end of the top plate are formed. The side plates and the fixing plate are provided with a plurality of fastening holes, and the fastening blocks are fastened in the fastening holes.

Wherein, the first side wall of the insulating body is recessed inwardly to form an engaging groove, and one side of the top plate of the shielding housing is punched downward and extends to form an engaging piece, and the engaging piece is engaged with the in the snap slot.

Wherein, the bottom wall of the insulating body is provided with two rows of accommodating grooves arranged at intervals in the front and rear and penetrating up and down. The conductive terminals respectively have a fixing part, a contact part extending from the front end of the fixing part, and a contact part extending from the The welding part formed by the extension of the rear end, the fixing part is integrally formed in the bottom wall of the insulating body, the contact part is accommodated in the receiving groove and exposed on the upper part of the bottom wall, and the welding part is exposed outside the rear wall of the insulating body .

Wherein, the shielding housing has two fixing plates extending downward from both sides of the rear end of the top plate, the rear surface of the reinforcing sheet is flush with the rear surfaces of the two fixing plates, and the two fixing plates and the reinforcing sheet are arranged at intervals between the conductive terminals. above the weld.

In summary, the card connector of the present invention relies on the rear end of the miniature subscriber identification card to abut against and be higher than the top of the limit groove of the insulating body and the limit portion of the shielding housing, thereby facilitating insertion and insertion of the card connector. Take out the micro subscriber identification card from the space. The limiting part of the shielding shell is set at the rear end of the insulating body and the limiting part is stuck on the bottom wall of the limiting groove and limited in the limiting groove to strengthen the strength of the insulating body, thereby ensuring During the process of taking out the miniature subscriber identification card, the insulating body remains in its original form.

Description of drawings

FIG. 1 is a perspective view of the card connector of the present invention.

FIG. 2 is an exploded perspective view of the card connector shown in FIG. 1 .

FIG. 3 is an exploded perspective view of a miniature subscriber identification card inserted into the card connector shown in FIG. 1 .

FIG. 4 is a partially exploded perspective view of a miniature subscriber identification card inserted into the card connector shown in FIG. 1 .

Wherein, the reference signs are explained as follows:

Card connector 100 insulating body 10

Bottom wall 11 receiving groove 111

First side wall 12 First switch terminal slot 121

The second side wall 13 of the engaging groove 122

Rear wall 14 second switch terminal slot 141

Limiting slot 142 slotting 15

Fastening block 16 conductive terminal 20

Micro subscriber identification card 200 fixing part 21

Contact part 22 Solder part 23

First switch terminal 31 First holding arm 311

first contact arm 312 first soldering arm 313

The first retaining arm 314 and the second switch terminal 32

Second holding arm 321 Second contact arm 322

Second welding arm 323 second retaining arm 324

Shield housing 40 top plate 41

Accommodating groove 411 engaging piece 412

Side plate 42 welding sheet 421

Groove 422 fixed plate 43

Limiting part 44 Limiting sheet 441

Reinforcing sheet 442 fastening hole 45

Docking space 50

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to Fig. 1 to Fig. 4, the utility model card connector 100 is used for inserting a miniature subscriber identification card 200, comprises an insulating body 10, a plurality of conductive terminals 20, a first switch terminal 31, a second switch terminal 32 and a shielding shell 40.

2 and 3, the insulating body 10 has a bottom wall 11, a first side wall 12, a second side wall 13 and a bottom wall 11 formed by extending upward from both sides of the bottom wall 11. The rear end extends upwards to form a rear wall 14 connected to the rear ends of the first side wall 12 and the second side wall 13 . The bottom wall 11 of the insulating body 10 defines two rows of accommodating grooves 111 spaced apart from each other and penetrating up and down. The insulating body 10 defines a slot 15 passing through the rear end of the first side wall 12 and the rear end of the bottom wall 11 adjacent to the first side wall 12 . The inner groove wall of the slot 15 extending along the front-to-back direction is in a stepped shape. The insulating body 10 is provided with a first switch terminal groove 121 penetrating through the upper part and outside of the first side wall 12, and a second switch terminal penetrating through the upper part, rear part and front part of the rear wall 14 adjacent to the side of the first side wall 12. Groove 141. The first switch terminal slot 121 and the second switch terminal slot 141 communicate with the slot 15 . The first sidewall 12 of the insulating body 10 is recessed inward to form an engaging groove 122 . A limiting groove 142 is recessed downward from the rear wall 14 . A plurality of fastening blocks 16 protrude outward from the outer periphery of the insulating body 10 .

Please refer to FIG. 2 , the plurality of conductive terminals 20 are integrally formed on the insulating body 10 . The conductive terminals 20 are arranged in two rows at intervals, and each of the conductive terminals 20 has a fixed part 21 arranged in the horizontal direction, a contact extending from the front end of the fixed part 21 backwards and upwards, and arched upwards. part 22, and a welding part 23 extending downward and backward from the rear end of the fixing part 21. The fixing portion 21 is integrally formed in the bottom wall 11 of the insulating housing 10 . The contact portion 22 is accommodated in the receiving groove 111 and exposed on the top of the bottom wall 11 . The soldering portions 23 of the conductive terminals 20 are respectively exposed outside the rear wall 14 of the insulating housing 10 .

Please refer to FIG. 2 and FIG. 4 , the first switch terminal 31 is installed in the first switch terminal groove 121 . The second switch terminal 32 is installed in the second switch terminal groove 141 . The first switch terminal 31 is in electrical contact with or separated from the second switch terminal 32 . Specifically, the first switch terminal 31 has a long first holding arm 311, a first contact arm 312 formed by bending and extending backward from the rear end of the first holding arm 311, and a first contact arm 312 formed from the first holding arm 311. A bottom edge of the holding arm 311 extends outward to form a first welding arm 313 . A bottom of the first contact arm 312 extends downward to form a first blocking arm 314 . The second switch terminal 32 has an elongated second holding arm 321 , a second contact arm 322 extending forward from one end of the second holding arm 321 , and a second contact arm 322 extending outward from the bottom of the second holding arm 321 . The second welding arm 323 is formed. The bottom of the second contact arm 322 extends downward to form a second blocking arm 324 . The first holding arm 311 is fixed in the first switch terminal groove 121 . The first contact arm 312 protrudes above the bottom wall 11 of the insulating housing 10 . The first blocking arm 314 is disposed in the slot 15 and blocks the inner end of the inner wall of the slot 15 . The first welding arm 313 protrudes out of the insulating body 10 through the outside of the first switch terminal groove 121 . The second holding arm 321 is fixed in the second switch terminal slot 141 . The second contact arm 322 protrudes above the bottom wall 11 of the insulating housing 10 and is located outside the first contact arm 312 . The second blocking arm 324 is disposed in the slot 15 to block the outer end of the inner wall of the slot 15 and is spaced outside the first blocking arm 314 . The second welding arm 323 protrudes out of the insulating body 10 through the outside of the second switch terminal groove 141 .

Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the shielding shell 40 is covered on the insulating body 10, and a small subscriber identification card 200 for inserting is formed between the shielding shell 40 and the insulating body 10. The plug-in space 50. The shielding housing 40 has a rectangular top plate 41 , two side plates 42 extending downward from both sides of the top plate 41 , and two fixing plates 43 extending downward from both sides of the rear end of the top plate 41 . A rear end of the top plate 41 defines an accommodating groove 411 backwards. The rear ends of the two opposite walls of the accommodating groove 411 are connected to a limiting portion 44 that blocks the rear end of the insulating body 10 . The limiting part 44 is in the shape of a right angle, and the limiting part 44 has a limiting piece 441 formed horizontally and extending downward from the rear ends of the two opposite groove walls of the accommodating groove 411 and extending from the limiting part 441. The rear end of the piece 441 extends downward to form a reinforcing piece 442 . The rear surface of the reinforcing piece 442 is flush with the rear surfaces of the two fixing plates 43 , and the two fixing plates 43 and the reinforcing piece 442 are spaced above the welding portion 23 of the conductive terminal 20 . One side of the top plate 41 is punched and extended downward to form an engaging piece 412 . The side plate 42 and the fixing plate 43 define a plurality of fastening holes 45 . Bottom edges of the side panels 42 respectively extend outward to form a plurality of welding pieces 421 . A bottom edge of one of the side panels 42 is recessed inwardly with a groove 422 .

Please refer to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , the two side plates 42 are respectively held against the outer sides of the first side wall 12 and the second side wall 13 of the insulating housing 10 . The fastening block 16 is fastened in the fastening hole 45 , so that the two side plates 42 and the two fixing plates 43 are fixed on the insulating body 10 . The limiting portion 44 is locked on the bottom wall of the limiting groove 142 to be limited in the limiting groove 142 . The limiting piece 441 of the limiting portion 44 is locked on the bottom wall of the limiting groove 142 to be limited in the limiting groove 142 , so that the shielding case 40 is limited on the insulating body 10 . The engaging piece 412 is engaged in the engaging groove 122 . The contact portion 22 , the first contact arm 312 , the second contact arm 322 and the engaging piece 412 extend into the insertion space 50 . The first welding arm 313 protrudes out of the shielding shell 40 through the groove 422 . The second welding arm 323 protrudes out of the shielding shell 40 through the bottom of the fixing plate 43 .

Referring to Fig. 1 to Fig. 4, insert the miniature subscriber identification card 200 into the insertion space 50 of the card connector 100, when the miniature subscriber identification card 200 is fully inserted into the insertion space 50 of the card connector 100, the miniature subscriber identification The rear end of the card 200 abuts and is higher than the top of the limiting groove 142 of the insulating body 10 and the limiting portion 44 of the shielding housing 40 , and the rear end of the micro SIM card 200 is exposed in the accommodating groove 411 . The limiting piece 441 of the limiting portion 44 is limited in the limiting groove 142 , so that the shielding case 40 is limited on the insulating body 10 and the short circuit between the shielding case 40 and the conductive terminal 20 can be avoided. The micro SIM card 200 is provided with a metal sheet (not shown). At this time, the contact portion 22 of the conductive terminal 20 is in electrical contact with the metal sheet of the micro-SID card 200 , so that the micro-SID card 200 is electrically connected to the card connector 100 . The micro SIM card 200 presses against the first contact arm 312 of the first switch terminal 31 to electrically contact the first contact arm 312 with the second contact arm 322 .

Please refer to Fig. 1 to Fig. 4, when the miniature subscriber identification card 200 is taken out from the insertion space 50 of the card connector 100, only need to push the miniature subscriber identification card forward from the upper part of the limiting piece 441 of the limiting part 44 200, the micro SIM card 200 is smoothly taken out from the insertion space 50 of the card connector 100. The reinforcing piece 442 of the limiting portion 44 is held against the rear portion of the rear wall 14 of the insulating body 10, which can strengthen the strength of the insulating body 10 and prevent the insulating body 10 from being pressed by an external force during the process of taking out the micro SIM card 200. cracked or deformed. At this time, the micro SIM card 200 is detached from the first contact arm 312 of the first switch terminal 31 , so that the first contact arm 312 is separated from the second contact arm 322 .

In summary, the card connector 100 of the present invention relies on the rear end of the miniature subscriber identification card 200 abutting against and higher than the top of the limiting groove 142 of the insulating body 10 and the limiting portion 44 of the shielding housing 40, thereby It is convenient to take out the miniature subscriber identification card 200 from the insertion space 50 of the card connector 100. The limit portion 44 of the shielding shell 40 is set at the rear end of the insulating body 10 and the limit portion 44 is stuck in the limit position. The slot 142 is limited in the limiting slot 142 on the bottom wall of the slot to strengthen the strength of the insulating body 10 , thereby ensuring that the insulating body 10 still maintains its original shape during the process of taking out the micro SIM card 200 .

Claims (10)

1. a card connector, for plugging a miniature Subscriber Identity Module, comprise an insulating body, a plurality of conducting terminals and a shielding casing, it is characterized in that: described insulating body has a diapire, both sides by diapire extend upward respectively a first side wall and one second sidewall formed, and one extend upward by the diapire rear end rear wall that the rear end with the first side wall and the second sidewall that forms is connected, described rear wall is arranged with a stopper slot downwards, described conducting terminal is shaped on insulating body, described shielding casing is covered on insulating body, form one for plugging the grafting space of miniature Subscriber Identity Module between shielding casing and insulating body, described shielding casing has a top board, the rear end of described top board connects backward offers a storage tank, the rear end of two relative cell walls of described storage tank connects the limiting section that a gear is located at the insulating body rear end, described limiting section is placed on stopper slot bottom land wall and is limited in stopper slot, when miniature Subscriber Identity Module inserts in the grafting space of card connector fully, the rear end of described miniature Subscriber Identity Module is supported and above the stopper slot top of insulating body and the limiting section of shielding casing, and the rear end part of miniature Subscriber Identity Module is exposed to storage tank.

2. card connector as claimed in claim 1, it is characterized in that: the rectangular shape of described limiting section, and described limiting section has a horizontally disposed rear end from two relative cell walls downwards and extends in opposite directions banking stop and the reinforced sheet extended to form from the rear end of banking stop be connected to form downwards, the banking stop of described limiting section is placed on stopper slot bottom land wall and is limited in stopper slot, and the reinforced sheet gear of described limiting section is held in the rear portion of the rear wall of insulating body.

3. card connector as claimed in claim 1, it is characterized in that: described insulating body is offered a perforation the first side wall top and the first outside switch terminals pilot trench, reach the second switch terminal groove of a perforation rear wall top, rear portion and anterior contiguous the first side wall one side, described card connector comprises that first switch terminal and be installed in the first switch terminals pilot trench is installed in the second switch terminal in the second switch terminal groove, and described the first switch terminal is with second switch terminal electrical contact or separate.

4. card connector as claimed in claim 3, it is characterized in that: described the first switch terminal has one first fixing arm, one first contact arm and one first welding arm, described second switch terminal has one second fixing arm, one second contact arm and one second welding arm, described the first fixing arm fixing is in the first switch terminals pilot trench, described the first contact arm stretches out in the diapire top of insulating body, described the first welding arm stretches out in outside insulating body by the outside of the first switch terminals pilot trench, described the second fixing arm fixing is in the second switch terminal groove, described the second contact arm stretches out in the diapire top of insulating body and is positioned at the outside of the first contact arm, described the second welding arm stretches out in outside insulating body by the outside of second switch terminal groove, described the first contact arm is with the second contact arm electrical contact or separate.

5. card connector as claimed in claim 4, it is characterized in that: described insulating body is offered a perforation the first side wall rear end and the fluting of the first side wall one side is closed in the diapire rear end, it is one stepped that the inboard cell wall that described fluting extends along fore-and-aft direction is, described the first switch terminals pilot trench and second switch terminal groove are communicated with fluting, the bottom of described the first contact arm extends to form one first gear gripping arm downwards, the bottom of described the second contact arm extends to form one second gear gripping arm downwards, described the first gear gripping arm is arranged in fluting and keeps off the medial extremity of the inboard cell wall that is held in fluting, described the second gear gripping arm is arranged in fluting and gear be held in fluting inboard cell wall outboard end and be located at interval at the outside of the first gear gripping arm.

6. card connector as claimed in claim 4, it is characterized in that: described shielding casing has two side plates that extend to form from the top board both sides and two fixed heads that extend to form from the both sides of top board rear end downwards downwards, the feather edge of the side plate of the shielding casing groove that sets to the concave, the first welding arm of described the first switch terminal stretches out in outside shielding casing by groove, and the second welding arm of described second switch terminal stretches out in outside shielding casing by the bottom of fixed head.

7. card connector as claimed in claim 1, it is characterized in that: the outer peripheral edges of described insulating body outwards are convexly equipped with a plurality of binding blocks, the outer peripheral edges of insulating body outwards are convexly equipped with a plurality of binding blocks, described shielding casing has two side plates that extend to form from the top board both sides and two fixed heads that extend to form from the both sides of top board rear end downwards downwards, described side plate and fixed head are offered a plurality of fastening holes, and described binding block is fastened in fastening hole.

8. card connector as claimed in claim 1 is characterized in that: the first side wall of described insulating body sets to the concave and forms a slot, and a side direction undershoot of the top board of described shielding casing is established and extended to form a snap-latch piece, and described snap-latch piece is sticked in slot.

9. card connector as claimed in claim 1, it is characterized in that: the diapire of described insulating body is offered the holding tank that spaced and up/down perforation are arranged in front and back two, described conducting terminal has respectively a fixed part, a contact site extended to form from the front end of fixed part, an and weld part extended to form from the rear end of fixed part, described fixed part is shaped in the diapire of insulating body, described contact site is contained in holding tank and is exposed to diapire top, and described weld part is exposed to outside the rear wall of insulating body.

10. card connector as claimed in claim 9, it is characterized in that: described shielding casing has two fixed heads that extend to form from the both sides of top board rear end downwards, and the rear surface of reinforced sheet and two fixed heads concordant with the rear surface of two fixed heads and reinforced sheet are arranged at intervals at the top of the weld part of conducting terminal.

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