CN201146265Y

CN201146265Y - Memory card connector

Info

Publication number: CN201146265Y
Application number: CNU2008200434890U
Authority: CN
Inventors: 洪培樵
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: 2008-01-25
Filing date: 2008-01-25
Publication date: 2008-11-05
Anticipated expiration: 2018-01-25

Abstract

The utility model discloses a memory card connector, which comprises an insulating body, a plurality of signal terminals and a switch terminal; wherein, the insulating body is provided with a base; the signal terminals are arranged on the base of the insulating body; the switch terminal is provided with a second fixed part and a connecting part vertically extended from one end of the second fixed part; the connecting part is provided with at least a bulge which is downwardly salient and the connecting part upwardly extends a second contact part; the joint position of the second contact part and the connecting part is provided with a convex rib which is downwardly salient. When the memory card is inserted, the memory card downwardly presses the contact part and leads the bulge and the convex rib to be electrically connected with a circuit board, thus causing the contact between the switch terminal and a printed circuit board to be more sensitive and further effectively preventing the invalidity of the detection function of the switch terminal.

Description

Memory card connector

Technical field

The utility model relates to a kind of memory card connector, relates in particular to a kind of memory card connector with switch terminal.

Background technology

Along with development of electronic technology, memory card has been widely used on digital camera, individual Secretarial Assistant (PDA), mobile phone, the electronic products such as MP3, MP4.Usually be equiped with memory card connector in these electronic products, with the carrying memory card.

Memory card connector generally comprises insulating body, several signal terminals and a switch terminal.Described signal terminal and switch terminal all are fixed on the insulating body.Yet, existing memory card connector is because the connecting portion that switch terminal contacts with printed circuit board (PCB) is plane, thereby the factors such as foozle of connecting portion generation warpage and connecting portion and memory card all cause the poor electrical contact of switch terminal and printed circuit board (PCB) easily, and then the detecting function of switch terminal was lost efficacy.

The utility model content

The purpose of this utility model is to provide a kind of memory card connector that can effectively prevent the detecting function inefficacy of switch terminal at defective and deficiency that prior art exists.

For achieving the above object, the utility model memory card connector, it comprises an insulating body, several signal terminals and a switch terminal.Described insulating body has a base portion, first weld part and first connecting portion that signal terminal has one first fixed part and extended out by this first fixed part, this first connecting portion extends upward one first contact site, this first fixed part is fixed on the base portion of described insulating body, and first contact site protrudes out the base portion of insulating body.Described switch terminal has one second fixed part, and this second fixed part, one end is extended with one second weld part, and the other end vertical extent of this second fixed part has a junction, and this connecting portion is provided with at least one outstanding projection downwards.The end of this connecting portion extends upward one second contact site, and the junction of this second contact site and described connecting portion is provided with an outstanding fin downwards.Second fixed part is fixed on the base portion of insulating body, and second contact site protrudes out the base portion of insulating body.

In sum, the utility model memory card connector is by outstanding downwards projection and fin are set on switch terminal, make between switch terminal and the printed circuit board (PCB) contact more accurate, can avoid foozle because of connecting portion generation warpage and connecting portion and memory card to cause the position that do not reach between switch terminal and the printed circuit board (PCB), thereby the detecting function that can effectively prevent switch terminal lost efficacy.

Description of drawings

Fig. 1 is the stereogram of a kind of embodiment of the utility model memory card connector.

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

Fig. 3 is the stereogram of the terminal group of memory card connector shown in Figure 1.

Fig. 4 is the stereogram of the switch terminal of memory card connector shown in Figure 1.

Fig. 5 is the terminal group of memory card connector shown in Figure 1 and the three-dimensional combination figure of insulating body.

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

Memory card connector 1 insulating body 10

Base portion 11 cuts groove 111

Holding tank 112 cuts hole 113

Fastening plate 12 fool proof pieces 121

Groove 122 first buckle slots 13

Stop wall 14 buckle pieces 15

Second buckle slot, 16 terminal group 20

Holding parts 21 signal terminals 22

First weld part, 221 first fixed parts 222

Projection 223 first connecting portions 224

First contact site, 225 switch terminals 23

Second weld part, 231 second fixed parts 232

Fixing piece 233 linking arms 234

Connecting portion 235 projectioies 2351

Second contact site, 236 second contact jaws 2361

Fin 237 grabs 30

Housing 40 substrates 41

Sidewall 42 snap-arms 421

First convex closure, 422 second convex closures 423

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. 1 and Fig. 2, the utility model memory card connector 1 comprises insulating body 10, terminal group 20, grab 30 and housing 40.

Insulating body 10 has a base portion 11 that is long rectangular plate shape, and what an end of this base portion 11 offered a horizontal expansion and ran through this base portion 11 cuts groove 111, and its other end offers a horizontal expansion and runs through the holding tank 112 of this base portion 11.Base portion 11 offers one and cuts hole 113 on the part that cuts between groove 111 and the holding tank 112.Base portion 11 relative edges, both sides are extended a fastening plate 12 respectively vertically upward at contiguous holding tank 112 places, the approximate mid-section of these two fastening plates, 12 medial surfaces offers first buckle slot 13 that extends up and down, and wherein the medial surface of a fastening plate 12 has protruded out a fool proof piece 121.The lateral surface of this two fastening plate 12 offers a groove 122.Base portion 11 relative both sides cut groove 111 places along vicinity and extend a stop wall 14 respectively vertically upward, the medial surface of this stop wall 14 protrude out two be set up in parallel and extend up and down buckle piece 15, thereby between two buckle pieces 15, form one with cut second buckle slot 16 that groove 111 is communicated with.

See also Fig. 3, this terminal group 20 has a holding parts 21, and a side of this holding parts 21 is along equally spaced several signal terminals 22 that extends.Signal terminal 22 has one by holding parts 21 extended first weld parts 221 and by these first weld part, 221 terminal extended first fixed parts 222, these first fixed part, 222 both sides all are outward extended with a projection 223, and the setting of staggering of the projection 223 of adjacent two signal terminals 22.These first fixed part, 222 ends extend one first connecting portion 224, and the end of this first connecting portion 224 extends upward first contact site 225 that is flat arc shape.

See also Fig. 3 and Fig. 4, this holding parts 21 extends a switch terminal 23 in a side of described several signal terminals 22, this switch terminal 23 has by extended one second weld parts 231 of holding parts 21 and by these second weld part, 231 terminal bendings and extends one second fixed part 232, and described second weld part 231 and second fixed part 232 be arranged in parallel side by side with first weld part 221 and first fixed part 222 of signal terminal 22 respectively.These second fixed part, 232 outsides are connected with a linking arm 234 along outwards protruding several fixing pieces 233 between first fixed part 222 of the signal terminal 22 that this second fixed part 232 is adjacent.These second fixed part, 232 ends vertically extend a connecting portion 235 that is positioned at signal terminal 22 front ends, and this connecting portion 235 is formed with a projection 2351 of protruding downwards through punching press.These connecting portion 235 ends extend upward one second contact site 236, and these second contact site, 236 ends have been bent to form one second contact jaw 2361, and the junction punching press of the described connecting portion 235 and second contact site 236 is formed with an outstanding fin 237 downwards.

See also Fig. 3 to Fig. 5, described terminal group 20 injection mouldings are on insulating body 10, and described holding parts 21 is fixed on base portion 11 and is positioned on the part that cuts groove 111 outsides; First fixed part 222 of signal terminal 22 and second fixed part 232 of switch terminal 23 are fixed on base portion 11 on the part that cuts between groove 111 and the holding tank 112; First weld part 221 of signal terminal 22 and second weld part 231 of switch terminal 23 are positioned at and cut groove 111; First connecting portion 224 of signal terminal 22 and the connecting portion 235 of switch terminal 23 are positioned at holding tank 112, and first contact site 225 of signal terminal 22 and second contact site 236 of switch terminal 23 protrude out base portion 11; Described linking arm 234 parts are arranged in and cut hole 114.After terminal group 20 and insulating body 10 are shaped to one, cut linking arm 234 and cut first weld part 221 of signal terminal 22 and second weld part 231 of switch terminal 23 by cutting hole 113 with tool, thereby switch terminal 23 is separated with corresponding signal terminal 22 and signal terminal 22 is separated with holding parts 21 with switch terminal 23 by cutting groove 111.

Please continue to consult Fig. 1 and Fig. 2, grab 30 is plugged on respectively in first buckle slot 13 and second buckle slot 16.The sidewall 42 that housing 40 has a substrate 41 and extends downward vertically from the edge, both sides of substrate 41.Sidewall 42 1 ends are extended with snap-arms 421 forward, first convex closure 422 that extend the inside recessed formation of sidewall 42 other ends one front and back and second convex closure 423 of a sphere.Described second convex closure 423 inserts in the groove 122 of insulating body 10, thereby housing 40 is articulated on the insulating body 10.The snap-arms 421 and first convex closure 422 are pressed on respectively when housing 40 is fastened on the insulating body 10 on the fastening plate 12 and stop wall 14 of insulating body 10.

In the time of in a memory card (not shown) inserts the utility model memory card connector 1, first contact site, 225 butts of the bare spot of memory card and signal terminal 22.Memory card compresses the contact jaw 2361 of switch terminal 23 and makes the projection 2351 of switch terminal 23 and fin 237 compress the contact print circuit board, thereby whether the detecting memory card inserts fully.

In sum, the utility model memory card connector 1 is by outstanding downwards projection 2351 and fin 237 are set on switch terminal 23, make between switch terminal 23 and the printed circuit board (PCB) contact more accurate, can avoid because of warpages and connecting portion 235 and memory card take place for connecting portion 235 foozle causes the position that do not reach between switch terminal 23 and the printed circuit board (PCB), thereby the detecting function that can effectively prevent switch terminal 23 lost efficacy.In addition, described signal terminal 22 forms by holding parts 21 extensions with switch terminal 23, and be connected by a linking arm 234 between signal terminal 22 and the switch terminal 23, thereby make signal terminal 22 and switch terminal 23 to be stamped to form, and then reduced cost by a mold.

Claims

1. memory card connector, it comprises an insulating body, several signal terminals and a switch terminal, described insulating body has a base portion, first weld part and first connecting portion that signal terminal has one first fixed part and extended out by this first fixed part, this first connecting portion extends upward one first contact site, this first fixed part is fixed on the base portion of described insulating body, and first contact site protrudes out the base portion of insulating body; Described switch terminal has one second fixed part, this second fixed part, one end is extended with one second weld part, the other end vertical extent of this second fixed part has a junction, it is characterized in that: described connecting portion is provided with at least one outstanding projection downwards, the end of this connecting portion extends upward one second contact site, and the junction of this second contact site and described connecting portion is provided with an outstanding fin downwards; Second fixed part is fixed on the base portion of insulating body, and second contact site protrudes out the base portion of insulating body.

2. memory card connector as claimed in claim 1, it is characterized in that: offer one on the described base portion and cut a groove and a holding tank, described first fixed part and second fixed part are fixed on base portion on the part that cuts between groove and the holding tank, described first weld part and second weld part place and cut in the groove, and first connecting portion and connecting portion place in the holding tank.

3. memory card connector as claimed in claim 2 is characterized in that: described base portion offers one and cuts the hole cutting part between groove and the holding tank.

4. memory card connector as claimed in claim 2 is characterized in that: described base portion is positioned on the part that cuts the groove outside and is fixed with a holding parts, and described signal terminal and switch terminal form from this holding parts extension.

5. memory card connector as claimed in claim 1 is characterized in that: described first fixed part and first weld part be arranged in parallel with second fixed part and second weld part respectively.