Background technology
Present many meanss of communication, such as mobile phone and panel computer etc. must be installed client identification module card (Subscriber Identity Module Card; Hereinafter to be referred as: SIM card) could normally use.Part manufacturer is also arranged, and the mobile phone of producing such as American apple company and panel computer etc. need to use with respect to the above-mentioned common less Micro-SIM card of SIM card size, are also referred to as the SIM lesser calorie.
Same SIM card can be mounted in the means of communication of different brands for the ease of the consumer, release Micro-SIM﹠amp in the prior art; The two-in-one card of SIM (hereinafter to be referred as: two-in-one SIM card).Figure 1A is the structural representation of the two-in-one SIM card of prior art, shown in Figure 1A, comprise two-in-one SIM card 110 in the kilocalorie 100 that the consumer buys, two-in-one SIM card 110 integrates Micro-SIM card and SIM card, two-in-one SIM card 110 itself is used as common SIM card, use at needs in the situation of Micro-SIM card 130, can be along the space 112 positions card fractureed obtain Micro-SIM card 130.
In the process that realizes the embodiment of the invention, the inventor finds in the prior art the most common with ultra-thin elastic arm type SIM card base connector in order to the card holder connector that two-in-one SIM card is installed.Figure 1B is for withdrawing from the schematic diagram of two-in-one SIM card from the ultra-thin elastic arm type SIM card base connector of prior art, as shown in Figure 1B, with two-in-one SIM card 110 from existing ultra-thin elastic arm type SIM card base connector 140 to move back card direction T1 when withdrawing from, distortion even the fracture of elastic arm 142 easily and elastic arm 142 clamping stagnations of card holder connector are caused in the space 112 of two-in-one SIM card 110.
The utility model content
The utility model embodiment provides a kind of SIM card base connector, is applicable to two-in-one SIM card, and two-in-one SIM card comprises SIM card and the Micro-SIM card that is wholely set, and is provided with the gap between SIM card and the Micro-SIM card; The SIM card base connector comprises base, be provided with on the base for two-in-one SIM card on contact a plurality of elastic arms that the golden finger zone electrically contacts to carry out data communication mutually; The first end of elastic arm is connected with base, the unsettled setting of the second end of elastic arm, and each elastic arm is all along the first direction setting of base; First direction is that two-in-one SIM card moves back the card direction in the SIM card base connector; The second end undulate of elastic arm, and have at least two with the contour primary peak and the secondary peak that contact the golden finger zone and mutually electrically contact; The primary peak that closes on first end has the first spacing with the secondary peak that closes on the second end at first direction; The first spacing is not less than the Breadth Maximum in the space of two-in-one SIM card on first direction, and less than contacting the minimum widith of golden finger zone on first direction with elastic arm electrically contacts mutually on the two-in-one SIM card.
On the basis of the above-mentioned feature of the SIM card base connector of the utility model embodiment, the SIM card base connector also comprises cover plate, and cover plate is arranged on the base, and is formed for installing the accommodation space of two-in-one SIM card with base.
On the basis of the above-mentioned feature of the SIM card base connector of the utility model embodiment, elastic arm is two rows and arranges, and every row arranges 3.
The SIM card base connector that the utility model embodiment provides, on the basis that can use common SIM card, by the free end of elastic arm being arranged to the structure of at least two crests, in the time of can guaranteeing in the SIM card base connector, to withdraw from two-in-one SIM card, prevent the distortion of elastic arm clamping stagnation, even fracture.
Embodiment
When the SIM card base connector that the utility model embodiment provides is applicable to common SIM card, also be applicable to two-in-one SIM card, two-in-one SIM card 110 as shown in Figure 1A becomes one common SIM card and Micro-SIM card, two-in-one SIM card 110 itself is used as common SIM card, use at needs in the situation of Micro-SIM card 130, can be along the space 112 positions card fractureed obtain Micro-SIM card 130.
Fig. 2 A is the decomposing schematic representation of the SIM card base connector of the utility model embodiment, shown in Fig. 2 A, the SIM card base connector that the utility model embodiment provides comprises base 200, be provided with on the base 200 for two-in-one SIM card on contact a plurality of elastic arms 220 that the golden finger zone electrically contacts to carry out data communication mutually.The first end of elastic arm 220 is connected with base 200, the unsettled setting of the second end of elastic arm 220, and each elastic arm 220 all arranges along the first direction T of base 200, and first direction T is two-in-one SIM card and moves back the card direction in the SIM card base connector.
Fig. 2 B is the profile of the two-in-one SIM card that is suitable for of the utility model embodiment, Fig. 2 C is the elastic arm structure schematic diagram of the SIM card base connector of the utility model embodiment, please also refer to 2B and Fig. 2 C, the second end undulate of the elastic arm 220 of the SIM card base connector that the utility model embodiment provides, and have at least two with the contour primary peak A and the secondary peak B that contact golden finger zone 114 and mutually electrically contact; The primary peak A that closes on elastic arm 220 first ends has the first space D with the secondary peak B that closes on elastic arm 220 second ends at first direction T.
The first space D is not less than the Breadth Maximum of space 112 on first direction T of two-in-one SIM card 110, please refer to C-C ' among Fig. 2 B to cross section view, for example space 112 two width of diverse location on first direction T are respectively X1 and X2, then the first space D should be more than or equal to the maximum among X1 and the X2, that is: D 〉=MAX (X1, X2).
Simultaneously the first space D should be less than respectively contacting the minimum widith of golden finger zone 114 on first direction T with elastic arm 220 electrically contacts mutually on the two-in-one SIM card 110, for example two of two-in-one SIM card 110 width of different contact golden fingers zone 114 on first direction T are respectively X3 and X4, then the first space D should be less than the minimum value among X3 and the X4, that is: D<MIN (X3, X4).
As seen by above-mentioned, the first space D should satisfy: MIN (X3, X4)>D 〉=MAX (X1, X2).
The SIM card base connector that the utility model embodiment provides also can comprise the cover plate 240 as shown in Fig. 2 A.In order clearly to present the structure of the utility model embodiment, the cover plate 240 among Fig. 2 A is decomposing state with base 200, when cover plate 240 is arranged on the base 200, is formed for installing the accommodation space of two-in-one SIM card with base 200.Among other embodiment of the utility model, also the structure of available other form replaces cover plate 240, and to be implemented in the effect that SIM card is installed in the SIM card base connector, the utility model is not limited this.
Elastic arm in the SIM card base connector that the utility model embodiment provides can arrange by be two rows as shown in Fig. 2 A, and every row arranges 3.Among other embodiment of the utility model, elastic arm can be adjusted arrangement and quantity as required, and the utility model is not as limit.
Fig. 3 is the process schematic diagram when withdrawing from two-in-one SIM card from the SIM card base connector of the utility model embodiment, as shown in Figure 3:
State S1 is the states of two-in-one SIM card 110 normal mounting in the SIM card base connector of the utility model embodiment, this moment two-in-one SIM card 110 contact golden finger zone 114 and elastic arm 220 on the primary peak A of setting contact simultaneously with secondary peak B, because distance the first space D between primary peak A and the secondary peak B is less than the width X3 of contact golden finger zone 114 on first direction T, so elastic arm 220 can not contact two-in-one SIM card normal operation this moment with a plurality of golden finger zones that contact simultaneously;
State S2 is on the basis of state S1, two-in-one SIM card 110 is withdrawed from the position that arrives the secondary peak B that arranges on the elastic arms 220 to space 112 along first direction T, this moment, primary peak A still fitted with two-in-one SIM card 110, because primary peak A and secondary peak B are contour, so secondary peak B can not upspring and enter space 112.Continuing to withdraw from two-in-one SIM card 110 can not cause elastic arm 220 to snap in space 112 yet;
State S3 is for to continue two-in-one SIM card 110 to withdraw from, the left border in space 112 slips over the position of the secondary peak B that arranges on the elastic arm 220 to the figure, this moment since the first space D more than or equal to the width X1 of space 112 on first direction T, so primary peak A and secondary peak B fit with two-in-one SIM card 110, continue to withdraw from two-in-one SIM card 110 and also can not cause elastic arm 220 to snap in space 112;
During state S4, the space 112 of two-in-one SIM card 110 has arrived the position of the primary peak A of elastic arm 220, this moment, secondary peak B and two-in-one SIM card 110 were fitted, because primary peak A and secondary peak B are contour, did not snap in space 112 so primary peak A can not upspring.Continuing to withdraw from two-in-one SIM card 110 can not cause elastic arm 220 to snap in space 112 yet;
State S5 is all left sides in space 112 among the arrival figure of the primary peak A of elastic arm 220 and secondary peak B, and all crests that elastic arm 220 contacts with two-in-one SIM card 110 all slip over space 112 fully, and elastic arm 220 does not snap in space 112.
In sum, the SIM card base connector of the utility model embodiment is by arranging at least two contour primary peak and secondary peaks that the golden finger zone electrically contacts mutually that contact with two-in-one SIM card at elastic arm; And primary peak and peak-to-peak distance first space D of Second Wave of closing on respectively the elastic arm two ends satisfy: MIN (X3, X4)>D 〉=MAX (X1, X2), thereby in the time of can guaranteeing in the SIM card base connector, to withdraw from two-in-one SIM card, prevent the distortion of elastic arm clamping stagnation, even fracture.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.