CN2783337Y

CN2783337Y - Test terminal for multi-card connector

Info

Publication number: CN2783337Y
Application number: CN 200520007324
Authority: CN
Inventors: 苏朴传
Original assignee: Alltop Technology Co Ltd
Current assignee: Alltop Technology Co Ltd
Priority date: 2005-03-10
Filing date: 2005-03-10
Publication date: 2006-05-24
Anticipated expiration: 2015-03-10

Abstract

The utility model relates to a test terminal for a multi-card connector. The utility model is arranged in an insulating base body, wherein both sides of the base of the insulating base body are extended with supporting arms in the same direction, a butt joint space is formed between the two supporting arms, different prearranged memory cards can be inserted into the butt joint space, one side of one of the support arms is hollow, a test terminal which is arranged at the inner side of the hollow support arm is provided with a smooth base, the base side is upwards bent to form a contact part, and the contact part can make left-right elastic displacement in the hollow supporting arm. When butted and pressed by the memory card, the contact part is outward elastically displaced and is in contact with a shielding casing to form grounding conduction, and thus the utility model has the functions of testing whether a loop is conducted when the memory card is inserted, whether the memory card is inserted into a preset position, or whether the memory card has a writing protection function.

Description

The detection terminal of many card connectors

Technical field

The utility model provides a kind of detection terminal of many card connectors; especially refer in the laterally disposed left and right sides elastic displacement that in the support arm of Openworks shape, is of the contact site of detection terminal; in the time of in memory card pushes insulating base frame; can compress contact site outwardly elastic displacement and shield shell form and electrically connect, with this can have the whether conducting of loop when inserting of the memory card of detection, memory card whether is inserted into the location or memory card has or not write-protected function.

Background technology

Flash memory is just strong because of calculation function since coming out, speed is fast, the expandability height, the characteristic that high storage density etc. are charming, in many portable devices, gradually replace EEPROM (voltage cancelling programmble read only memory PROM) or battery powered storer, because semiconductor technology progresses greatly day by day at present, the storage density of flash memory and transmission speed have the growth of advancing by leaps and bounds especially, therefore flash memory directly replaces traditional Storage Medias such as hard drives especially in many application, because flash memory has above-mentioned all multi-functional and characteristic, just there is relevant dealer to utilize flash memory and develops and all types of memory cards, as typical memory card pcmcia card (Personal Computer Memory Card International Association), roughly still has mmc card (Multi Media Card) at present on the market, CF card (Compact Flash Card), SMC card (Smart Media Card), MS card (Memory Stick), SD card (Secure Digital Memory Card), XD card specifications such as (xD-Picture Card) can be for replacing, and this type of memory card promptly has been subjected to consumers in general's favor since coming out, form a kind of almost indispensable tool using, and employed relatively card connector is also with increase in demand.

Moreover, the location structure of tradition memory card and card connector, be that connector is fixed on the circuit board, again memory card is plugged in the card connector, to reach the purpose that memory card and card connector are electric connection, but if be not pushed into the anchor point of connector or be subjected to the improper situation that gets loose of touching of external force when taking place because of memory card, whether very easily can't differentiate memory card is electric shape with connector and is connected, and cause loose contact or contact to interrupt signal can't be transmitted smoothly, data in reading is run off, moreover some electronic cards is provided with the read/write switch, prevents that to make things convenient for the user can stir the read/write switch memory card inside information is modified or can makes amendment.Thus; just there is relevant dealer to develop the various detecting loop conductings that possess; memory card puts in place and has or not the card connector of functions such as write-protect; it mainly is provided with plural detection terminal group in card connector; in order to detect above-mentioned various function; as No. the 536002nd, TW notification number " dual card type electric connector "; apply on April 26th, 2002; see also Fig. 7; shown in Figure 8; disclosed stereo appearance figure and three-dimensional exploded view; find out by knowing among the figure; this connector is provided with insulating body A; and insulating body A two sides be provided with the bigger grafting width of formation two relatively before the A1 of rail portion; and the two relative retaining system mouthful A2 at its rear; its insulating body A rear end is provided with the terminal base A4 that can supply plural terminals group A3 to wear; and a write-protect switch is plugged in terminal base A4 one side with terminal B; its front end contact lamellar body B1 then is positioned the preceding rail portion A1 bottom surface of insulating body A; and contact lamellar body B1 one side is provided with tiltedly sticks up shell fragment B2; and shell fragment B2 upwards exposes between preceding A1 of rail portion of insulating body A one side and retaining system mouthful A2; and another contacts the fixed terminal C of usefulness with write-protect switch with terminal B; be plugged in the terminal base A4; its front end contact segment C1 then is positioned at the shell fragment B2 below of write-protect switch with terminal B; when the certain memory card inserts; if the read/write switch of memory card is when switching to the write-protect position; its write-protect switch then can be compressed by the read/write switch of memory card with the shell fragment B2 of terminal B and be a downward elastic displacement; and the contact segment C1 of contact fixed terminal C; to form earth-continuity; and then data can't be write in the memory card, have or not write-protected purpose to reach the detection memory card.

Yet; above-mentioned disclosed card connector; its detection terminal group is to form earth-continuity with write-protect switch with the corresponding in twos terminal pattern of terminal B and fixed terminal C; and the read/write switch by memory card compresses and makes the shell fragment B2 downward elastic displacement of write-protect switch with terminal B; the contact segment C1 that contacts fixed terminal C is electrical contact; and make that write-protect switch must be extremely accurate with the contraposition contact of the contact segment C1 that contacts fixed terminal C with the shell fragment B2 of terminal B; but; write-protect switch terminal B and all very small part of fixed terminal C; if a little error is arranged; in the time of must making the downward elastic displacement of shell fragment B2; can't be electric connection with the contact segment C1 contact that contacts fixed terminal C; and then memory card write-protect detecting was lost efficacy; and write-protect switch is a part independently individually with terminal B and fixed terminal C; relative when assembling; easily because of insulating body A; write-protect switch increases the degree of difficulty in the assembling with the scale error of terminal B or fixed terminal C; when using; also can't guarantee that write-protect switch can be compressed by the read/write switch of memory card with terminal B; so that product itself can't use and the flaw ratio increases, and then must increase extra part manufacturing cost and assembly cost.

Moreover; above-mentioned disclosed card connector; its detection terminal group is to form earth-continuity with write-protect switch with the corresponding in twos terminal pattern of terminal B and fixed terminal C; so in design; certainly will in card connector, occupy certain space; and then make the design miniaturization again of entire card connector; and in the detection terminal group in making; then need the above mould of at least two groups to make; the relative manufacturing cost that also makes card connector itself increases; and at present science and technology is just grown up with the speed of making rapid progress, and the designer trends of its associated electrical product are also towards gently; thin; short; little external form development, so; the volume size of card connector also must be haggled over every penny in design; therefore will how to save taking up room in the card connector again, to reach the purpose of dwindling the connector volume, be that considerable problem is gone up in design at present.

Thus, how to solve the above problems and defective, the relevant manufacturer that promptly is engaged in the industry desires most ardently the direction place that research improves.

Summary of the invention

Fundamental purpose of the present utility model is to provide a kind of detection terminal of many card connectors, this structure can be simplified the corresponding in twos of known plural detection terminal group and be provided with, reduce unnecessary terminal group taking up room in insulating base frame, to reach the purpose that to dwindle the card connector volume and save extra cost.

For reaching above-mentioned purpose, the technological means that the utility model adopted is as follows:

A kind of detection terminal of many card connectors, in insulating base frame, be provided with the detection terminal more than or, wherein this insulating base frame has a base portion, and in base portion, be provided with plural number thoroughly and wear groove, and plural number wears that groove is equipped with can be for being the plural terminals group of electric connection with the contact of different preset memory cards, base portion two sides then are extended with support arm in the same way, and be formed with the butt joint space that to insert for different preset memory cards in two arm rooms, an and support arm one side Openworks shape wherein, detection terminal then is arranged in the butt joint space of insulating base frame, and be positioned at the support arm inboard of tool Openworks shape, it is characterized in that

This detection terminal has a smooth base portion, and on base portion one side direction, be bent with contact site, this contact site is a left and right sides elastic displacement in the support arm of tool Openworks shape, its contact site central authorities have the protruding surface of contact of an arc, and surface of contact is inwardly corresponding to the butt joint space of insulating base frame.

By above-mentioned technical characterictic, as can be seen the utility model since the contact site of detection terminal in the Openworks shape support arm of insulating base frame, but the contact site left and right sides elastic displacement that only must make detection terminal is touched adjacent shield shell formation earth-continuity and is got final product, when assembling contraposition relatively, the terminal that must not cooperate another correspondence again, make the structural design of accurate contraposition, and then guarantee that detection terminal is compressed really and be earth-continuity, be easy to assemble contraposition to reach detection terminal, the laterally disposed convenience of contact site contacts with shield shell and is earth-continuity, reduce the purpose of unnecessary terminal setting and saving extra cost.

Illustrate in detail below with reference to accompanying drawing and preferred embodiment of the present utility model.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is the stereo appearance figure of the utility model detection terminal.

Fig. 4 is the vertical view of the utility model before memory card uses.

Fig. 5 is the vertical view of the utility model when memory card uses.

Fig. 6 is the vertical view of the utility model after memory card uses.

Fig. 7 is the stereo appearance figure of prior art.

Fig. 8 is the three-dimensional exploded view of prior art.

Symbol description among the figure

1, insulating base frame

11, base portion 12, support arm

111, wear groove 121, open-work

112, terminal group 13, butt joint space

2, detection terminal

21, base portion 231, surface of contact

22, weld part 232, abutment

23, contact site

3, shield shell

31, base portion 32, alar part

4, memory card

41, read/write switch

A, insulating body

A1, the preceding rail A3 of portion, plural terminals group

A2, retaining system mouthful A4, terminal base

B, write-protect switch terminal

B1, contact lamellar body B2, shell fragment

C, fixed terminal

C1, contact segment

Embodiment

Please consult Fig. 1, Fig. 2, shown in Figure 3 simultaneously, the stereo appearance figure of stereo appearance figure of the present utility model, three-dimensional exploded view and detection terminal, find out by knowing among the figure, the detection terminal of the many card connectors of the utility model is provided with the detection terminal 2 more than or in insulating base frame 1, wherein:

This insulating base frame 1 has a base portion 11, be provided with plural number thoroughly in its base portion 11 and wear groove 111, and plural number wears that groove 111 is equipped with can be for being the plural terminals group 112 of electric connection with the contact (not shown) of different preset memory cards, base portion 11 2 sides then are extended with support arm 12 in the same way, and be formed with the butt joint space 13 that to insert for different preset memory card (not shown)s, an and support arm 12 1 side Openworks shapes wherein in 12 of two support arms.

This detection terminal 2 is arranged in the butt joint space 13 of insulating base frame 1, and be positioned at support arm 12 inboards of tool Openworks shape, its detection terminal 2 has a smooth base portion 21, and before base portion 21 1 side direction, be extended with weld part 22, and weld part 22 is arranged in the wearing in the groove 111 of base portion 11 of insulating base frame 1, and expose outside the insulating base frame 1, connect for default testing circuit (not shown), on base portion 21 1 side direction, be bent with contact site 23 in addition, and contact site 23 is positioned at the support arm 12 of tool Openworks shape, its contact site 23 central authorities have the protruding surface of contact of an arc 231, and the surface of contact 231 of contact terminal 23 is inwardly corresponding to the butt joint spaces 13 of insulating base frame 1, and is provided with abutment 232 in contact site 23 ends.

Moreover, can further cover on this insulating base frame 1 and be covered with shield shell 3, and shield shell 3 having a base portion 31, and under base portion 31 2 side direction, be bent with alar part 32, its two alar part 32 fastens and is coated on outside the support arm 12 of insulating base frame 1 two sides.

Moreover, detection terminal of the present utility model mainly has or not write-protect to do an explanation with the read/write switch on the detecting memory card, but detection terminal of the present utility model is when practical application, then be not to be to have or not the write-protect function to be limit with the detecting memory card, please continue to consult Fig. 4, Fig. 5, shown in Figure 6, find out by knowing among the figure, when the memory card 4 (as: Secure Digital Memory Card etc.) of specific standard when pushing the tram of insulating base frame 1, default contact (not shown) then can be electric shape connection with corresponding terminal group 112 on its memory card 4, and then can carry out the action of data transmission, again can be because of the actual switching position of the read/write switch 41 of memory card 4 one sides, divide erasable or two kinds of kenels of write-protect, if read/write switch 41 is (as shown in Figure 4) when switching to write-protected position, its memory card 4 leading edges can touch the surface of contact 231 of the contact site 23 of detection terminal 2 earlier, push the surface of contact 231 (as shown in Figure 5) of contact site 23 with this, and drive contact site 23 is an outside elastic displacement in the support arm 12 of tool Openworks shape, to the location, 23 of its contact sites can be continued to push by the read/write switch 41 of memory card 4, and then make the abutment 232 of contact site 23 and the alar part 32 of shield shell 3 one sides be in contact with one another formation earth-continuity (as shown in Figure 6), can come the testing circuit (not shown) of transmitting signals to the circuit board by the weld part 22 of detection terminal 2, so that data can't write in the memory card 4, if read/write switch 41 is when switching to the position that can write, 23 of its contact sites can elastic reset, and, contact site 23 is contacted with the alar part 32 of shield shell 3 against read/write switch 41 side breach in addition; Moreover; if when not using memory card 4; then memory card 4 can be extracted outside the insulating base frame 1; just can discharge the contact site of being suppressed by memory card 4 23, its contact site 23 be resetted, in the support arm 12 of tool Openworks shape with the action of these contact site 23 left and right sides elastic displacements; can make things convenient for certain memory card 4 when inserting; directly touch the contact site 23 of detection terminal 2, contact site 23 outside elastic displacements contacted with shield shell 3 be earth-continuity, so reach the detecting memory card 4 whether have or not write-protected effect.

In addition, detection terminal 2 of the present utility model also can be detected whether conducting of loop, memory card function such as whether put in place, only need make amendment and get final product by default testing circuit, simple and easy modification of this kind and equivalent structure change, all should in like manner be contained in the claim of the present utility model, close and give Chen Ming.

In sum, the detection terminal of the many card connectors of the utility model key that can improve prior art is:

The weld part 22 of these detection terminal 2 one sides is connected with default testing circuit, side then upwards is bent with contact site 23 in addition, its contact site 23 is left and right sides elastic displacement in the support arm 12 of Openworks shape, when the contact site 23 of detection terminal 2 is pushed by memory card 4, can make contact site 23 outside elastic displacements come directly to contact and form earth-continuity with the alar part 32 of adjacent shields housing 3, with the contact site 23 of this detection terminal 2 and the structure of shield shell 3, going up design in design must be extremely not accurate, but bump adjacent alar part 32 formation earth-continuities and get final product at the elastic displacement place, contact site 23 left and right sides that only must make detection terminal 2, the contact site 23 of guaranteeing detection terminal 2 is compressed really, and must not use another and the terminal of detection terminal 2 corresponding contacts more, relative need not use two groups of above Mold Making terminals, also reduce the manufacturing cost of card connector itself, simultaneously, detection terminal 2 will be more prone to when the assembling contraposition, and then reduce unnecessary terminal taking up room in insulating base frame, can dwindle the overall volume of card connector with this.

So, be bent with contact site 23 on base portion 21 1 side direction of the utility model at detection terminal 2, and contact site 23 can be the main key protection point of a left and right sides elastic displacement, and the weld part 22 that passes through detection terminal 2 is connected with default testing circuit, make detection terminal 2 can have the whether conducting of detecting loop, whether detecting memory card 4 inserts to put in place and detect memory card 4 and has or not functions such as write-protect, and the difference of the demand that visual user is set of detection terminal 2 or design and implementing in one or more at least mode; In addition, also can be inserted with the memory card 4 of one or one above different size in the butt joint space 13 of insulating base frame 1, and this memory card 4 that can put of butt joint space 13 can as:

Mmc card (Multi Media Card),

CF card (Compact Flash Card),

SMC card (Smart Media Card),

MS card (Memory Stick),

SD card (Secure Digital Memory Card),

The combination in any of XD card all size patterns such as (xD-Picture Card); Yet, the above preferred embodiment only of the present utility model, non-so promptly limit to claim of the present utility model, contained by the utility model so can reach the form of aforementioned effect such as, simple and easy modification of this kind and equivalent structure change, all should in like manner be contained in the claim of the present utility model, close and give Chen Ming.

In sum, the detection terminal of many card connectors of the present utility model has aobvious when using The effect of work is promoted, and really meets the patent requirement of novelty, utility model and progressive, complies with Method is filed an application.

Claims

1, a kind of detection terminal of many card connectors, in insulating base frame, be provided with the detection terminal more than or, wherein this insulating base frame has a base portion, and in base portion, be provided with plural number thoroughly and wear groove, and plural number wears that groove is equipped with can be for being the plural terminals group of electric connection with the contact of different preset memory cards, base portion two sides then are extended with support arm in the same way, and be formed with the butt joint space that to insert for different preset memory cards in two arm rooms, an and support arm one side Openworks shape wherein, detection terminal then is arranged in the butt joint space of insulating base frame, and be positioned at the support arm inboard of tool Openworks shape, it is characterized in that

2, the detection terminal of many card connectors as claimed in claim 1, it is characterized in that the base portion of this detection terminal in addition is extended with weld part before the side direction, this weld part is arranged in the wearing in the groove of base portion of insulating base frame, and expose outside the insulating base frame, connect for default testing circuit.

3, the detection terminal of many card connectors as claimed in claim 1 is characterized in that, the contact site end of this detection terminal is provided with abutment.

4, the detection terminal of many card connectors as claimed in claim 1, it is characterized in that can further cover on this insulating base frame and be covered with shield shell, this shield shell has a base portion, and under base portion two side direction, being bent with alar part, its two alar part fastens and is coated on outside the support arm of insulating base frame two sides.