CN201117853Y

CN201117853Y - SIM card connector

Info

Publication number: CN201117853Y
Application number: CNU2007200583123U
Authority: CN
Inventors: 吴迎龙; 陈明江; 宋敏
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2007-10-12
Filing date: 2007-10-12
Publication date: 2008-09-17
Anticipated expiration: 2017-10-12

Abstract

The utility model discloses an SIM-card connector that is used for connecting the circuit board and the SIM card of the communication device. The SIM-card connector comprises a shell that is fixed to the circuit board; the shell is provided with a connector body, the connector body comprises a plastic sheet and a plurality of conducting terminals that are integrally formed and are fixed on the plastic sheet, the conducting terminal is provided with a lower elastic sheet that is elastically supported against the circuit board and an upper elastic sheet that supports against the SIM card. The SIM-card connector of the utility model is simple and convenient to be disassembled and has good screening performance; the connection between the conducting terminals and the plastic sheets is more firm, and the electrical conduction is more smooth and reliable.

Description

Sim card connector

Technical field

The utility model relates to a kind of electronic card coupler, relates in particular to a kind of sim card connector.

Background technology

Along with the development of current information technology, personal communication apparatus such as mobile phone are used more and more widely.Mobile phone all needs a SIM card that is used to carry out user identity identification, and SIM card need being electrically connected and the information conducting by a sim card connector realization and mobile phone internal circuit board.

In the prior art, sim card connector comprises a plastic cement pad, offers draw-in groove on the plastic cement pad.Be inlaid with conducting terminal in the draw-in groove of plastic cement pad, conducting terminal is welded on the circuit board, and electrically connects with circuit board.This sim card connector is after long-term the use, tend to owing to external force causes that vibrations and SIM card repeatedly plug extruding and cause reasons such as plastic cement pad distortion, it is loosening to cause conducting terminal to occur on the plastic cement pad, and sealing-off appears in the welding position, thereby is directed at connector and SIM card loose contact.On the other hand, because conducting terminal adopts welding manner with being connected of circuit board, make product when need heavy industry and detection, the dismounting difficulty is bigger, and it is more to expend man-hour.

The utility model content

The purpose of this utility model be provide a kind of at the defective that prior art exists and can keep for a long time well electrically connecting with SIM card, easily detachable sim card connector.

For reaching above purpose, the utility model provides a kind of sim card connector, is used to connect the circuit board and the SIM card of communication apparatus, it is characterized in that: this sim card connector comprises a housing that is fixed together with circuit board; Be equiped with a connector body on the housing, connector body comprises that a sheet and several integrated conducting terminals that are fixed on the sheet, conducting terminal have elasticity and are resisted against the following shell fragment on the circuit board and are resisted against last shell fragment on the SIM card.

As mentioned above, because in the sim card connector of the present utility model, the mode that is connected and fixed of conducting terminal and sheet has replaced inlaying with the one ejection formation, connects more firm; The following shell fragment of conducting terminal be fixed in circuit board on tie point between adopt Elastic Contact to be connected, can alleviate the impact of SIM card plug and vibrations that external force causes, the possibility of eliminating sealing-off, make electrically conduct more smooth and easy reliably.Simultaneously also since down between shell fragment and tie point for elasticity is connected, when dismounting, only need shield shell and stationary housing are taken apart, its process simply, conveniently.

Description of drawings

In Figure of description:

Fig. 1 is the three-dimensional exploded view of the utility model sim card connector.

Fig. 2 is the stereogram of the connector body of the utility model sim card connector.

Fig. 3 is the stereogram of the conducting terminal of the utility model sim card connector.

Fig. 4 is the front view of the conducting terminal of the utility model sim card connector.

Fig. 5 is the end view of the utility model sim card connector integral body.

Fig. 6 be the utility model sim card connector corresponding among Fig. 5 along the cutaway view of A-A line.

The description of reference numerals of each element is as follows among the figure:

Following stationary housing 10 body apertures 11

Flanging portion 12 connector bodies 20

Fix through hole 21 positioning boss 22

Last shell fragment 23 elastic arm portions 230

Card contact 231 afterbodys 232

Following shell fragment 24 elastic portion 240

Contact point 241 tail ends 242

25 times shell fragment holes 26 of sheet

Shell fragment hole 28 on the following shell fragment groove 27

Conducting terminal 29 holding parts 290

Fix sheet 291 shield shells 30

Connecting through hole 31 positioning through hole 32

Locating stop piece 33 shell fragment through holes 34

Crimp portion 35 top plate portions 36

Last cap 40 grabs 41

Elastic arm 411 hook pin 412

Sidewall 42 cap top boards 43

Card taking breach 44 receiving spaces 50

Embodiment

For describing technology contents of the present utility model, structural feature, the purpose that is realized and effect in detail, below joint execution mode and conjunction with figs. are known clearly and are given explanation.

See also Fig. 1, the utility model sim card connector, be used to connect the circuit board (not shown) and the SIM card (not shown) of communication apparatus, it comprises the following stationary housing 10 of a plank frame that is fixed together with circuit board, offers a body apertures that roughly is square 11 on this time stationary housing 10.Place, the border turnover downwards of following stationary housing 10 is formed with flanging portion 12.

See also Fig. 1 and Fig. 5, fastening on the following stationary housing 10 has a shield shell 30.The integral body that the has shield shell 30 tabular top plate portion 36 that is rectangle.Offer four square connecting through holes 31, four square positioning through hole 32 and two rows, three row totally six square shell fragment through holes 34 on this top plate portion 36.31 one-tenth rectangular arranged of four connecting through holes.Close back side edge place upwards bends and is raised with a location catch 33 on the top plate portion 36.The edge of top plate portion 36 borders is bent to form crimp portion 35 downwards.This shield shell 30 is formed housing with following stationary housing 10.

See also Fig. 1 and Fig. 2, be fixed with a connector body 20 on the described shield shell 30.Connector body 20 comprises a sheet 25, this sheet 25 is whole rectangular, sheet 25 center offer an OBL shell fragment hole 26 down, and sheet 25 posterior edges places offer a following shell fragment groove 27 that is rectangle, position, following shell fragment groove 27 left and right sides and following shell fragment hole 26 position consistency.Also offer on the sheet 25 two rows, three row totally six go up shell fragment hole 28, two rows and go up the both sides, front and back that shell fragment hole 28 lays respectively at down shell fragment hole 26.Sheet 25 offers 21, four of four fixing through holes that are square near left and right sides edge and fixes 21 one-tenth rectangular arranged of through hole.Sheet 25 two fixes through holes 21 outsides two positioning boss 22 that are square column type that raise up in the left side, and the right two fixes through holes 21 outsides two positioning boss 22 that are square column type that raise up equally.Four positioning boss 22 are inserted into respectively in the set positioning through hole 32 of shield shell 30.

See also Fig. 2, Fig. 3, Fig. 4 and Fig. 6, one-body molded two rows, three row totally six conducting terminals 29 that are fixed with on the sheet 25.The be rectangle holding parts 290 of sheet of the outline integral body that has this conducting terminal 29, the edge on these holding parts about 290 two long limits bends separately and extends two obliquely and fixes sheets 291.Conducting terminal 29 is fixed together with sheet 25 one ejection formations by holding parts 290 and fixing sheet 291, and the effect that fixes sheet 291 is to make the fixing more firm of conducting terminal 29 and sheet 25.

Bend and extend to form elastic portion 240 under holding parts 290 terminal oblique, an end of elastic portion 240 upwards is bent to form tail end 242 again, and tail end 242 forms contact point 241 with the projecting surface that is connected transition portion of elastic portion 240; Elastic portion 240, contact point 241 and tail end 242 are formed shell fragment 24 down.These down shell fragments 24 respectively from shell fragment hole 26 down or down the forward edge of shell fragment groove 27 stretch out and extend to the following shell fragment hole 26 of sheet 25 or down in the shell fragment groove 27.

The middle part of the holding parts 290 of conducting terminal 29 bends and has extended to form elastic arm portion 230 obliquely, and this elastic arm portion 230 passes the shell fragment through hole 34 of shell fragment hole 28 and shield shell 30 and stretches out upper surface above shield shell 30; Bend and extended to form afterbody 232 under elastic arm portion 230 ends are oblique, afterbody 232 forms card contact 231 with the projecting surface that is connected transition portion of elastic arm portion 230.Elastic arm portion 230, card contact 231 and afterbody 232 are formed upward shell fragment 23.These the card contacts 231 be used for SIM card on corresponding contact elasticity butt.

See also Fig. 1, Fig. 5 and Fig. 6, be fixed with the last cap 40 that an iron plate material is made on the described shield shell 30 with shielding properties.Should go up cap 40 and have a tabular cap top board 43, these cap top board 43 integral body are rectangle.Cap top board 43 has a curved card taking breach 44, and cap top board the right and left bends vertically downward and extends to form two side 42.Each protrudes out two grabs 41 downwards two side 42 lower edge of last cap 40.Grab 41 comprises that the end of two elastic arm 411, two elastic arms 411 that walk abreast outwards protrudes out formation hook pin 412 separately.After four grabs 41 pass the connecting through hole 31 and the fixing through hole 21 on the sheet 25 of corresponding shield shell 30 respectively, be held in by hook pin 412 on the lower surface of sheet 25; Connector body 20, shield shell 30 reach upward, and cap 40 forms an integral body thus.The cap top board 43 of last cap 40, two side 42 surround receiving space 50 with shield shell 30.Last shell fragment 23 parts flexibly extend in this receiving space 50.Receiving space 50 is used to accommodate SIM card, and the locating stop piece 33 on the shield shell 30 can position insertion depth when SIM card is inserted receiving space 50.

This sim card connector is after finishing assembling, and connector body 20 extend into down in the body apertures 11 of stationary housing 10; Simultaneously, the contact point 241 of six following shell fragments 24 on the connector body correspondingly elasticity be resisted against on the circuit board on the respective connection points.

Compare with being arranged in juxtaposition with shield shell by the SIM card reader that connector body and last cap are formed in the prior art, the utility model sim card connector is by stationary housing 10, connector body 20, shield shell 30 and last cap 40 are bonded together down, sim card connector and shield shell are integrated into one, have improved the space availability ratio of sim card connector.Simultaneously, the receiving space 50 that the same caps 40 of shield shell 30 form stretches out shell fragment through hole 34 places of being stayed a small amount of slit is arranged except keeping supplying shell fragment 23, after SIM card is inserted, is all surrounded by iron-clad around it, thereby makes it have stronger anti-electromagnetic interference capability.

As mentioned above, because the mode that is connected and fixed of conducting terminal 29 and sheet 25 has replaced inlaying with the one ejection formation, connect more firm; Adopt Elastic Contact to be connected between corresponding tie point on the following shell fragment 24 of conducting terminal 29 and the circuit board, can alleviate the impact of SIM card plug and vibrations that external force causes, the possibility of eliminating sealing-off, make electrically conduct more smooth and easy reliably; Simultaneously also since down shell fragment 24 with between tie point for elasticity connects, shield shell is separated with following stationary housing, just can reach the dismounting purpose, its process is simply, conveniently.

Claims

1. sim card connector is used to connect the circuit board and the SIM card of communication apparatus, and it is characterized in that: this sim card connector comprises a housing that is fixed together with circuit board; Be equiped with a connector body on the housing, connector body comprises that a sheet and several integrated conducting terminals that are fixed on the sheet, conducting terminal have elasticity and are resisted against the following shell fragment on the circuit board and are resisted against last shell fragment on the SIM card.

2. sim card connector according to claim 1 is characterized in that: housing comprises a stationary housing and a shield shell, and this time stationary housing has a body apertures, and described connector body is located at this body apertures place; Shield shell is fixed on the following stationary housing and lid is located on the connector body, offers on the shield shell and keeps supplying several shell fragment through holes that shell fragment stretches out.

3. sim card connector according to claim 2 is characterized in that: the shield shell upper surface is provided with locating stop piece.

4. sim card connector according to claim 2, it is characterized in that: conducting terminal has the holding parts of the sheet of being rectangle, the edge on this holding parts two long limits extends two separately obliquely and fixes sheets, holding parts and fix sheet and sheet is integrated is fixed together.

5. sim card connector according to claim 4, it is characterized in that: offer down shell fragment hole and following shell fragment groove on the sheet, described shell fragment down has the elastic portion of stretching out and being bent to form from an end of holding parts downwards, elastic portion is arranged on down shell fragment hole or following shell fragment groove place, the end of elastic portion upwards is bent to form tail end, tail end forms contact point with the projecting surface that is connected transition portion of elastic portion, and this time shell fragment is resisted against on the circuit board by contact point elasticity.

6. sim card connector according to claim 5 is characterized in that: offer the last shell fragment hole corresponding with conducting terminal on the sheet; The described shell fragment of going up has the elastic arm portion of extending obliquely and being bent to form from the middle part of holding parts, and this elastic arm portion passes the shell fragment through hole of shell fragment hole and shield shell and surpasses the upper surface of shield shell; Bend and extend to form afterbody under elastic arm portion end is oblique, afterbody forms the card contact with the projecting surface that is connected transition portion of elastic arm portion, and the described shell fragment of going up is by the corresponding contact elasticity butt on card contact and the SIM card.

7. sim card connector according to claim 1 is characterized in that: be fixed with cap on the housing, cap and housing surround receiving space on this, and last shell fragment elasticity extend in this receiving space.

8. sim card connector according to claim 7 is characterized in that: go up cap and have a cap top board, this cap top board offers a card taking breach, and the both sides of cap top board extend to form the two side downwards, and the two side lower limb is replaced on the described shield shell.

9. sim card connector according to claim 8, it is characterized in that: upward each protrudes out several grabs downwards on the two side lower limb of cap, offer several connecting through holes on the shield shell, offer several on the sheet and fix through hole, these grabs are held on the sheet after passing corresponding connecting through hole respectively and fixing through hole.