CN201117872Y

CN201117872Y - SIM card connector

Info

Publication number: CN201117872Y
Application number: CNU2007200602798U
Authority: CN
Inventors: 江淑满
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: 2007-11-24
Filing date: 2007-11-24
Publication date: 2008-09-17
Anticipated expiration: 2017-11-24

Abstract

The utility model discloses a SIM-card connector, which comprises an insulation body and a plurality of terminals. The insulation body is provided with a platy substrate, and the substrate is provided with a shrapnel groove. Each terminal is provided with a holding part, an arm part that is formed by extending upwards of the holding part, a contact part that is bent in extension downwards from the end of the arm part, a bending part that is bent in extension from the end of the contact part and a connection part that is extent from the end of the bending part and is arranged in parallelism to the holding part, both the holding part and the connection part are fixed on the substrate of the insulation body, the arm part is stretched upwards out of the shrapnel groove of the substrate, and the contact part is arranged above the substrate. The holding part and the connection part are fixed on the substrate of the insulation body, so that the combination between the terminals and the insulation body is more firm, thus preventing the deformation and damage of the terminals caused by the blocking of the contact part of the terminals when SIM card is pulled out.

Description

Sim card connector

Technical field

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

Background technology

The terminal structure of existing a kind of sim card connector as shown in Figure 1, this terminal 40 ' has a fixed part 41 ' that is rectangle sheet, on the edge on these fixed part about 41 ' two long limits respectively upwards bending extend two holding sections 42 '.Fixed part 41 ' one ora terminalis bends and has extended to form weld part 43 ' downwards.The middle part of fixed part 41 ' one side offers a fluting 44 ', the preceding edge of fluting 44 ' bends and has extended to form elastic arm portion 45 ' obliquely, 45 ' the terminal bending of elastic arm portion has extended to form a contact site 46 ', the upper surface of contact site 46 ' protruding upward one is the contact head 47 ' of arc surfaced, this contact head 47 ' be used for SIM card on corresponding contact elasticity butt.

But when SIM card was inserted or extracted, SIM card regular meeting card pushed away contact site 46 ', thereby made elastic arm portion 45 ' around itself and the upwards bending of fixed part 41 ' junction, thereby caused terminal 40 ' bending to be out of shape and to damage.

The utility model content

The purpose of this utility model is to provide a kind of sim card connector that can prevent that the terminal bending from damaging at defective and deficiency that prior art exists.

For achieving the above object, the utility model sim card connector comprises an insulating body and several terminals.Insulating body has tabular substrate, offers the shell fragment groove on the substrate.Terminal all has a holding parts, and bends the connecting portion parallel with holding parts that kink that the elastic arm portion that extends to form, an extended contact site of terminal bending downwards by elastic arm portion, one extend to form by the end bending of this contact site and an end by this kink extend out obliquely from holding parts.Holding parts and connecting portion all are fixed on the substrate of insulating body, and elastic arm portion protrudes upward the shell fragment groove of substrate, and the contact site is in the top of substrate.

As mentioned above, the holding parts and the connecting portion of the utility model sim card connector terminal all are fixed on the insulating body, therefore when SIM card is extracted this sim card connector, after SIM card pushes against the contact site of terminal, SIM card slips over the junction of contact site and kink and pushes contact site and make terminal bend distortion downwards, thereby avoided the contact site of SIM card pushing and pressing terminals and caused the upwards bending distortion of elastic arm portion, so the utility model sim card connector can avoid damaging terminal.

Description of drawings

Fig. 1 is the stereogram of the terminal of prior art sim card connector.

Fig. 2 is the three-dimensional exploded view of a kind of embodiment of the utility model sim card connector.

Fig. 3 is the insulating body of sim card connector shown in Figure 2 and the three-dimensional combination figure of terminal.

Fig. 4 is the stereogram of the first terminal of sim card connector shown in Figure 2.

Fig. 5 is the stereogram of second terminal of sim card connector shown in Figure 2.

Fig. 6 is the cutaway view of sim card connector shown in Figure 2.

Fig. 7 is the three-dimensional combination figure of SIM card when extracting sim card connector shown in Figure 2, and for showing its internal structure, sim card connector has removed shielding casing.

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

[background technology]

Terminal 40 ' fixed part 41 '

Holding section 42 ' weld part 43 '

Fluting 44 ' elastic arm portion 45 '

Contact site 46 ' contact head 47 '

[the utility model]

Sim card connector 1 insulating body 10

Substrate 11 first welding grooves 12

Second welding groove, 13 shell fragment grooves 14

Sidewall 15 slot 16s

Terminal 20 the first terminals 21

Second terminal, 22 fixed strips 210,220

First stator, 211,221 second stators 212,222

Holding parts 213,223 fixes sheet 214,224

Elastic arm portion 215,225 contact sites 216,226

Contact head 2161,2261 kinks 217,227

Connecting portion 218,228 weld parts 219,229

Shielding casing 30 SIM card 5

Perforate 50

Embodiment

By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.

See also Fig. 2 and Fig. 3, a kind of the utility model sim card connector 1 comprises an insulating body 10, several terminals 20 and a shielding casing 30.Wherein, insulating body 10 forms for injection mo(u)lding on terminal 20, and shielding casing 30 is covered on the insulating body 10.

See also Fig. 2, described insulating body 10 has a rectangular tabular substrate 11.The back edge of substrate 11 offers first welding groove 12, and the middle part of substrate 11 laterally offers second welding groove 13.Substrate 11 offers two row's shell fragment grooves 14 in both sides, second welding groove, 13 front and back.The left and right sides of substrate 11 is all extended a sidewall 15 vertically upward.Two side 15 and substrate 11 surround a slot 16, insert for SIM card 5 (as shown in Figure 7), and this two side 15 engages mutually with described shielding casing 30, thereby shielding casing 30 is covered on insulating body 10.

See also Fig. 2, Fig. 4 and Fig. 5, terminal 20 is divided into the first terminal 21 and second terminal 22.The first terminal 21 has a fixed strip 210 that is rectangle sheet, the two ends on fixed strip 210 1 side edges extend outward first stator 211 and second stator 212 respectively, and the length of first stator 211 is greater than the length of second stator 212, and this fixed strip 210, first stator 211 and second stator 212 are formed holding parts 213.The opposite side edge of fixed strip 210 bends obliquely and extends two fixing sheets 214.First stator 211 bends the elastic arm portion 215 that extended to form obliquely towards the edge of second stator, 212 1 sides.The end of this elastic arm portion 215 upwards downward again bending of bending has extended to form a contact site 216, the contact head 2161 of the upper surface of this contact site 216 arc surfaced protruding upward.The end of contact site 216 extends to second stator, 212 1 lateral bucklings to first stator, 211 1 lateral bucklings again and extends to form a kink 217 that is serpentine.Kink 217 terminal horizontal extend back one and are in connecting portion 218 in the same plane with fixed strip 210.The level that bends again under connecting portion 218 ends are oblique extends back and forms a weld part 219.Also bend obliquely respectively on the outer ledge of first stator 211 and connecting portion 218 and extend a fixing sheet 214.

Second terminal 22 is roughly the same with the structure of the first terminal 21, it has fixed strip 220, first stator 221, second stator 222, elastic arm portion 225, contact site 226, kink 227, connecting portion 228 and fixes sheet 224, the holding parts 223 that fixed strip 220, first stator 221 and second stator 222 are formed convexes with contact head 2261 on the contact site 226; Its difference is: weld part 229 by the oblique down bending of the terminal edge of second stator 222 more backward horizontal-extending form.

See also Fig. 4, Fig. 5 and Fig. 6, the first terminal 21 and second terminal 22 by corresponding holding parts 213,223, fix sheet 214,224 and connecting portion 218,228 respectively with substrate 11 integrated being fixed together of insulating body 10, the effect that fixes sheet 214,224 is to make terminal 20 with insulating body 10 more firm being molded over.Elastic arm portion 215,225 protrudes upward shell fragment groove 14 and is positioned at the slot 16 of insulating body 10, so that contact site 216,226 and insert SIM card 5 (as shown in Figure 7) the elasticity butt of slot 16.Weld part 219,229 stretches out first welding groove 12 and second welding groove 13 respectively and is welded on the circuit board.

As mentioned above, the holding parts 213,223 and the connecting portion 218,228 of the terminal 20 of the utility model sim card connector all are fixed on the insulating body 10, therefore when SIM card 5 is extracted this sim card connector, after the perforate 50 of SIM card 5 snaps into the contact site 216,226 of terminal 20, SIM card 5 slips over the junction of contact site 216,226 and kink 217,227 and pushes contact site 216,226 and make terminal 20 bending distortion (as shown in Figure 7) downwards, thereby has avoided perforate 50 to snap into the contact site 216,226 of terminal 20 and cause terminal 20 to damage.In addition, owing to injection mo(u)lding insulating body 10 on the holding parts 213,223 of terminal 20 and connecting portion 218,228 makes terminal 20 and insulating body 10 one-body molded, thereby make terminal 20 more firm with combining of insulating body 10.

In sum, the utility model sim card connector is by the explanation of the foregoing description and relevant drawings, the exposure that oneself is concrete, full and accurate correlation technique, those skilled in the art can be implemented according to this.And above-described embodiment just is used for illustrating the utility model, rather than is used for limiting the utility model, and interest field of the present utility model should be defined by claim of the present utility model.Still all should belong to interest field of the present utility model as for the change of component count described in this specification or the replacement of equivalent elements etc.

Claims

1. sim card connector, comprise insulating body and several terminals, insulating body has tabular substrate, offer the shell fragment groove on the substrate, terminal all has holding parts, bending the elastic arm portion that extends to form obliquely from holding parts reaches by the extended contact site of the downward bending of the end of elastic arm portion, elastic arm portion protrudes upward the shell fragment groove of substrate, the contact site is in the top of substrate, it is characterized in that: the end bending of contact site extends to form a kink, the end of this kink extends to form the connecting portion parallel with holding parts, and holding parts and connecting portion all are fixed on the substrate of insulating body.

2. sim card connector as claimed in claim 1 is characterized in that: described holding parts and connecting portion and insulating body are integrated to be fixed together.

3. sim card connector as claimed in claim 2, it is characterized in that: described holding parts has a fixed strip and extended first stator of an end by a side edge of fixed strip that is rectangle sheet, and described elastic arm portion is bent obliquely by the back edge of first stator and extends to form.

4. sim card connector as claimed in claim 3 is characterized in that: described fixed strip and connecting portion are in the same plane.

5. sim card connector as claimed in claim 1 is characterized in that: the connecting portion end of described terminal bends horizontal-extending downwards again and forms a weld part.

6. sim card connector as claimed in claim 1 is characterized in that: described kink is serpentine.