CN202395206U

CN202395206U - Card connector

Info

Publication number: CN202395206U
Application number: CN2011204097811U
Authority: CN
Inventors: 纪美丽; 张瑞明; 刘竹瑞
Original assignee: FUGANG ELECTRONIC (TIANJIN) Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: FUGANG ELECTRONIC (TIANJIN) Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2011-10-07
Filing date: 2011-10-07
Publication date: 2012-08-22
Anticipated expiration: 2021-10-07

Abstract

The utility model discloses a card connector. The card connector comprises an insulated body, a plurality of terminals, a housing and a switch terminal. The insulated body comprises a base plate. The two side edges of the base plate extend upward to form two sidewalls. The rear side edge of the base plate extends upward to be equipped with a block portion and a block clamping portion. A first recess is formed among the block portion, the block clamping portion and the base plate. A card insertion area is formed among the base plate, the two sidewalls, the block portion and the block clamping portion. The switch terminal is fixedly held behind the insulated body, and comprises a fixing portion, an elastic pressing portion and a detection contact portion. The fixing portion is fixedly held on the block clamping portion. The elastic pressing portion and the detection contact portion extend into the first recess, and the elastic pressing portion extends into the card insertion area when the elastic pressing portion is under a free state. In conclusion, the card connector is simple in structure, low in manufacturing cost and small in size, and allows the internal space of a cell phone to be saved.

Description

Card connector

Technical field

The utility model relates to a kind of connector, particularly relates to a kind of card connector.

Background technology

Electronic cards such as SIM or SD card need other parts of card connector and electronic product to electrically connect, and whether fully standing being equipped with of existing card connector survey the electronic cards detection agency of the function of insertion.

But the detection agency of above-mentioned card connector often is arranged on the left and right sides, plug-in card zone, and detection information is inaccurate sometimes, and it is bigger to make that card connector takies the mobile phone inner space, has improved the complex structure degree and the manufacturing cost of card connector.

The utility model content

The purpose of the utility model is to provide a kind of volume card connector little, simple in structure to the deficiency of above-mentioned prior art.

For realizing above-mentioned purpose, the utility model provides a kind of card connector, comprises an insulating body, several terminals, a shell and a switch terminal.Insulating body comprises base plate; This base plate left and right sides marginal lappet directly extends upward and forms the two side; Base plate posterior lateral margin both sides extend upward and are provided with gear portion and gear clamping part; Form first recess between gear portion, gear clamping part and the base plate, form the plug-in card zone between base plate, two side, gear portion and the gear clamping part.Several terminals; Have one be rectangle sheet fixed strip; The two ends on fixed strip one side edge extend outward first stator and second stator respectively, and terminal is shaped on the insulating body, and the fixed strip of terminal, first stator and second stator are shaped on the base plate.Shell is covered on the insulating body top.Switch terminal is immobilizated in the insulating body rear, comprises the fixed part of vertical sheet, and this fixed part left border bends after the extension bending backward forward again and is extended with elastic pressing part; Bend forward again after the continuation of elastic pressing part free end bends backward and extends and be extended with the detection contact site; The fixed part right-hand member lower lip welding foot that extended back, fixed part is immobilizated on the gear clamping part, elastic pressing part and survey contact site and stretch in first recess; And during free state, elastic pressing part stretches in the plug-in card zone.

In sum, the base plate posterior lateral margin of the utility model card connector through insulating body extends upward and is provided with the gear clamping part, forms first recess between the base plate of gear clamping part and insulating body; Switch terminal is immobilizated on the gear clamping part at insulating body rear; Elastic pressing part and detection contact site stretch in first recess, and be simple in structure, low cost of manufacture; Volume is little, has saved the mobile phone inner space.

Description of drawings

Fig. 1 is the stereogram of the preferred embodiment of the utility model card connector.

Fig. 2 is the three-dimensional exploded view of card connector shown in Figure 1.

Fig. 3 is the three-dimensional exploded view of another angle of card connector shown in Figure 1.

Each description of reference numerals is following among the figure:

Insulating body 10 base plates 11

The first terminal groove 111 second terminal grooves 112

Sidewall 12 projections 13

Gear portion 14 gear clamping parts 15

Switch terminals pilot trench 151 scolding tin recesses 152

First recess, 16 signal terminals 20

Fixed strip 210,220 the first terminals 21

Second terminal, 22 weld parts 213,223

Elastic arm portion 215,225 contact sites 216,226

Contact head 2161,2261 shells 30

Top board 31 elastic pressuring plates 311

Circular arc cutaway 312 side plates 32

Back plate 33 scolding tin pin 34

Buckle mouth 35 switch terminals 40

Fixed part 41 elastic pressing parts 42

Survey contact site 43 welding foots 44

Plug-in card zone 50

Stator 211,212,221,222

Embodiment

By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.

See also Fig. 1 and Fig. 2, the utility model card connector comprises an insulating body 10, several terminals 20, a shell 30 and a switch terminal 40.

See also Fig. 2 and Fig. 3, insulating body 10 comprises base plate 11, and these base plate 11 left and right sides marginal lappets directly extend upward and form two side 12.The base plate 11 posterior lateral margin both sides of insulating body 10 extend upward and are provided with gear portion 14 and gear clamping part 15.Offer several the first terminal grooves 111 and several second terminal grooves 112 on the base plate 11 of insulating body 10 side by side.Form plug-in card zone 50 between base plate 11, two side 12, gear portion 14 and the gear clamping part 15.Form first recess 16 between the base plate 10 of gear portion 14, gear clamping part 15 and insulating body 10.Gear clamping part 15 upper surfaces offer the switch terminals pilot trench 151 that is communicated with first recess 16 downwards, further offer on the gear clamping part 15 and switch terminals pilot trench 151 and the extraneous scolding tin recess 152 that is communicated with.Switch terminals pilot trench 151 belows further offer draw-in groove (figure does not show).All convex with projection 13 on two side 12, gear portion 14 and gear clamping part 15 outer surfaces.

See also Fig. 2 and Fig. 3, these terminals 20 are divided into the first terminal 21 and second terminal 22.The first terminal 21 have one be rectangle sheet fixed strip 210; Fixed strip 210 1 lateral margin two ends extend outward first stator 211 and second stator 212 respectively, and this fixed strip 210, first stator 211 and second stator 212 are formed holding parts (not indicating among the figure).Be concaved with bayonet socket 214 on the both sides of the edge of fixed strip 210.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.First stator, 211 lateral border levels are extended after the oblique down bending more forward again, and level extends to form a weld part 213 forward.

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 and bayonet socket 224; The holding parts (not indicating among the figure) that fixed strip 220, first stator 221 and second stator 222 are formed; Convex with contact head 2261 on the contact site 226, its difference is: weld part 223 is extended back and is formed by the lateral border level of second stator 222 level that extends back again after the oblique bending down again.

See also Fig. 2 and Fig. 3; Switch terminal 40 comprises the fixed part 41 of vertical sheet; These fixed part 41 left borders bend after the extension bending backward forward again and are extended with elastic pressing part 42, and elastic pressing part 42 free ends continue after bending is extended backward bending forward again and are extended with and survey contact site 43.The fixed part 41 right-hand member lower lip welding foot 44 that extended back.Fixed part 41 lower lip convex with two card divisions 45, convex with latch 451 on 45 both side edges of card division, to hold cooperation mutually with switch terminals pilot trench 151 interior draw-in grooves.

See also Fig. 1 to Fig. 3, shell 30 comprises top board 31, and top board 31 both side edges and posterior lateral margin bend extended biside plate 32 and back plate 33 vertically downward.Dash on the top board 31 and be provided with elastic pressuring plate 311, top board 31 front ends are die-cut to have circular arc cutaway 312.All offer buckle mouth 35 on biside plate 32 and the back plate 33.Buckle mouth 35 cooperates with the projection 13 of insulating body 10.Shell 30 the place aheads are provided with circular arc cutaway 312, are convenient to the plug-in card card taking.Biside plate 32 lower lip also bend inwards and are extended with scolding tin pin 34

During the assembling of the utility model card connector; Terminal 20 is shaped on the base plate 11 of insulating body 10; The first terminal 21 and second terminal 22 through corresponding holding parts respectively with base plate 11 integrated being fixed together of insulating body 10, the effect of bayonet socket 214,224 is to make terminal 20 with insulating body 10 more firm being molded over.Elastic arm portion 215,225 upwards stretches out the first terminal groove 111 and second terminal groove 112 and is positioned at the plug-in card zone 50 of insulating body 10, so that contact site 216,226 and the SIM elasticity butt that inserts plug-in card regional 50.The base plate 11 that weld part 213,223 stretches out insulating body 10 respectively is welded in outward on the circuit board (figure does not show).

Switch terminal 40 is immobilizated in insulating body 10 rears; Particularly: fixed part 41 is immobilizated in the switch terminals pilot trench 151; Card division 45 is fastened in the draw-in groove, and latch 451 interferes with the cell wall of draw-in groove each other, so that switch terminal 40 more firm being fastened in the switch terminals pilot trench 151.Elastic pressing part 42 and survey contact site 43 and stretch in first recess 16, and during free state, elastic pressing part 42 stretches into plug-in card zone 50.Welding foot 44 passes scolding tin recess 152 and stretches out outside the insulating body 10.Shell 30 through buckle mouth 35 with the cooperating of projection 13 of insulating body 10 be covered on insulating body 10 tops.

When the SIM insertion put in place, SIM compressed elastic pressing part 42 and makes its strain, was compressed on the back plate 33 of shell 30 and drive detection contact site 43, put in place thereby detect the SIM insertion.

In sum; Base plate 11 posterior lateral margins of the utility model card connector through insulating body 10 extend upward and are provided with gear clamping part 15, form first recess 16 between the base plate 10 of gear clamping part 15 and insulating body 10, switch terminal 40 are immobilizated on the gear clamping part 15 at insulating body 10 rears; Elastic pressing part 42 and detection contact site 43 stretch in first recess 16; And during free state, elastic pressing part 42 stretches into plug-in card zone 50, when the SIM insertion puts in place; SIM compresses elastic pressing part 42 and makes its strain, is compressed on the back plate 33 of shell 30 and drive detection contact site 43.The utility model card connector is simple in structure, low cost of manufacture, and volume is little, has saved the mobile phone inner space.

Claims

1. card connector; Comprise an insulating body, several terminals, a shell and switch terminal, said insulating body has a base plate, and this base plate left and right sides marginal lappet directly extends upward and forms the two side; Base plate posterior lateral margin both sides extend upward and are provided with gear portion and gear clamping part; Form first recess between gear portion, gear clamping part and the base plate, form the plug-in card zone between base plate, two side, gear portion and the gear clamping part, it is characterized in that: several terminals is shaped on the insulating body; Shell is covered on the insulating body top; Switch terminal is immobilizated in the insulating body rear, comprises the fixed part of vertical sheet, and this fixed part one lateral margin bends forward and is extended with elastic pressing part; The bending of elastic pressing part free end is extended with the detection contact site; Another lateral margin bending of fixed part is extended with welding foot, and fixed part is immobilizated on the gear clamping part, and elastic pressing part and detection contact site stretch in first recess; And during free state, elastic pressing part stretches in the plug-in card zone.

2. card connector as claimed in claim 1; It is characterized in that: said gear clamping part upper surface offers the switch terminals pilot trench that is communicated with first recess downwards; Further offer on the gear clamping part and switch terminals pilot trench and the extraneous scolding tin recess that is communicated with; The fixed part of switch terminal is immobilizated in the switch terminals pilot trench, and welding foot passes the scolding tin recess and stretches out outside the insulating body.

3. card connector as claimed in claim 2 is characterized in that: said switch terminals pilot trench below further offers draw-in groove; The fixed part lower lip convexes with the card division, convexes with latch on the both side edges of card division, and the card division is fastened in the draw-in groove, and the cell wall of latch and draw-in groove is interfered each other.

4. card connector as claimed in claim 1; It is characterized in that: said terminal have one be rectangle sheet fixed strip; The two ends on fixed strip one side edge extend outward first stator and second stator respectively; First stator bends the elastic arm portion that extended to form obliquely towards the edge of second stator, one side, and the end of this elastic arm portion upwards downward again bending of bending has extended to form a contact site, the contact head of the upper surface of this a contact site arc surfaced protruding upward.

5. card connector as claimed in claim 4 is characterized in that: said first stator lateral border bending back forms a weld part.

6. card connector as claimed in claim 4 is characterized in that: the lateral border bending of said second stator has extended to form weld part.

7. like claim 5 or 6 described card connectors, it is characterized in that: said weld part stretches out respectively outside the base plate of insulating body.

8. card connector as claimed in claim 4 is characterized in that: offer several the first terminal grooves and several second terminal grooves on the base plate of said insulating body; The fixed strip of said terminal, first stator and second stator are shaped on the base plate, and elastic arm portion upwards stretches out the first terminal groove and second terminal groove and is positioned at the plug-in card zone of insulating body.

9. card connector as claimed in claim 4 is characterized in that: be concaved with bayonet socket on the both sides of the edge of said fixed strip.

10. card connector as claimed in claim 1 is characterized in that: all convex with projection on said two side, gear portion and the gear clamping part outer surface; Shell comprises top board; Top board both side edges and posterior lateral margin bend extended biside plate and back plate vertically downward; Dash on the top board and be provided with elastic pressuring plate, the top board front end is die-cut to have circular arc cutaway, and the biside plate lower lip also bends inwards and is extended with the scolding tin pin; All offer the buckle mouth on biside plate and the back plate, the buckle mouth cooperates with the projection of insulating body.