Dual-frequency card capable of selective shielding

Abstract

The utility model discloses a double-frequency card capable of selective shielding, which comprises a card body, a shell is arranged outside the card body, the card body is movably connected to a card slot in the shell through a limiting piece, and two adjacent openings are formed in the side surface of the card body and used for being communicated with the card slot. Shielding plates used for shielding signals are embedded in the inner top wall and the inner bottom wall of the clamping groove. When the dual-frequency card does not need to be used, the shielding plate can effectively prevent signals from being illegally read or embezzled and shield the influence of external electromagnetic interference (EMI) on the dual-frequency card, so that the working stability of the dual-frequency card is improved, signal leakage of the dual-frequency card is prevented, and interference to other equipment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of intelligent card, concretely relates to a double -frequency card of selectable shielding. BACKGROUND

[0002] The double -frequency card is composed of high -frequency card and high -frequency card composite or high -frequency card and low -frequency card two frequency cards, and the double -frequency card is "one card multi -use", has the advantage of magnetic stripe card, also has IC card characteristics. The card adopts non -contact design, directly deducts through radio frequency mode, has the characteristics of safety, convenience, wear -resisting, fast.

[0003] But for the current information age, more and more electromagnetic equipment will cause electromagnetic interference to double -frequency card, and the stability of double -frequency card is affected for a long time, and it also needs to prevent signal from being illegally read or stolen (for example, radio frequency identification technology can be used for information theft), so a double -frequency card with shielding function is needed. UTILITY MODEL CONTENTS

[0004] In view of the above defects, the utility model provides a double -frequency card of selectable shielding, including the card body, the outside of card body has the shell, the card body is movably connected in the card slot place of shell inside through the limiting piece, the side surface of shell is equipped with two adjacent openings, the opening is communicated with the card slot, the inner top wall and inner bottom wall of card slot are inlaid with the shielding plate for shielding signal;

[0005] The junction end of two openings is fixed with a group of rubber stoppers for limiting the card body.

[0006] The shell is also provided with an NFC module.

[0007] The bottom surface of the shell is fixed with a magnetic plate.

[0008] Further, the limiting piece includes a top groove and a bottom groove formed in the inner top wall and the inner bottom wall of the card slot, a threaded ring is arranged in the bottom groove, a plug column is arranged between the top groove and the bottom groove, the plug column penetrates a reserved hole formed in the end corner of the card body, and the plug column is screwed with the threaded ring through the threads on the bottom end of the outer surface of the plug column.

[0009] Further, a notch adapted to the plug column is formed at the end corner of the magnetic plate.

[0010] Further, the number of rubber stoppers is two, and the rubber stoppers are symmetrically fixed at the end corners of the inner top wall and the inner bottom wall of the card slot, and the distance between the two rubber stoppers is less than the thickness of the card body.

[0011] Further, the shielding plate is made of copper.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1, shield the influence of external electromagnetic interference (EMI) on the dual-frequency card, thereby improving the stability of the dual-frequency card, preventing the signal of the dual-frequency card from being leaked, and avoiding interference to other devices;

[0014] 2, when the dual-frequency card is not used, the shielding plate can effectively prevent the signal from being illegally read or stolen;

[0015] 3, after shielding the signal, part of the function of the dual-frequency card can enter a low-power or standby state, prolonging the battery life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic diagram of the utility model.

[0017] Fig. 2 It is a sectional view of the shell in the utility model.

[0018] In the figure: 1, shell; 2, card body; 3, top groove; 4, insertion column; 5, card slot; 6, NFC module; 7, rubber stop block; 8, magnetic attraction plate; 9, thread; 10, bottom groove; 11, shielding plate. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the device of the utility model will be described more comprehensively below with reference to the related drawings. The embodiments of the device are shown in the drawings. However, the device can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, set, or it can be detachably connected, set, or integrally connected, set. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] EMBODIMENT

[0022] As Figs. 1-2As shown, the embodiment provides a selectable shielding double-frequency card, which comprises a card body 2, a shell 1 outside the card body 2, and the card body 2 is movably connected to a card slot 5 inside the shell 1 (the card slot 5 is a cavity formed in the card body 2), the thickness of the shell 1 can be adjusted to store multiple card bodies 2 as needed, the limiting piece comprises a top slot 3 and a bottom slot 10 formed in the top wall and the bottom wall of the card slot 5, a threaded ring is arranged in the bottom slot 10, a plug column 4 is arranged between the top slot 3 and the bottom slot 10, the plug column 4 penetrates a reserved hole formed in the end corner of the card body 2, and the plug column 4 is screwed with the threaded ring through the threads 9 on the bottom end of the outer surface of the plug column 4, so that the card body 2 is fixed inside the shell 1, and the card body 2 can be used by being thrown out of the opening, and the card body 2 can be shielded by being rotated back into the card slot 5 after use;

[0023] Two adjacent openings are formed in the side surface of the shell 1 to realize communication with the card slot 5, the inner top wall and the inner bottom wall of the card slot 5 are inlaid with shielding plates 11 for shielding signals, the shielding plates 11 are made of copper material, have good shielding function and good heat dissipation, and facilitate heat dissipation;

[0024] A group of rubber blocks 7 for limiting the card body 2 are fixed at the junction of the two openings, in detail, the number of the rubber blocks 7 is two, and the rubber blocks 7 are tiger tooth-shaped and symmetrically fixed at the end corners of the inner top wall and the inner bottom wall of the card slot 5, the spacing between the two rubber blocks 7 is less than the thickness of the card body 2, and the function is that when not under stress, the card body 2 can be well blocked and stored in the card slot 5 by the two rubber blocks 7, and when thrown out, the card body 2 can be rotated out of use between the two rubber blocks 7 through the deformation effect of the card body 2;

[0025] The NFC module 6 is also arranged at the shell 1, which increases the diversity of the shell 1;

[0026] The bottom surface of the shell 1 is fixed with a magnetic plate 8, a notch matched with the plug column 4 is formed at the end corner of the magnetic plate 8, the magnetic plate 8 is convenient for magnetically attracting and storing the shell 1, and the magnetic plate 8 and the card body 2 are separated by the shielding plate 11, and there is no influence.

[0027] It should be noted that the structure of the utility model can be realized in many different forms, and is not limited to the embodiment, any equivalent transformation made by those skilled in the art according to the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, for example, the loading and unloading of other articles, are all included in the protection scope of the utility model.

Claims

1. A selectively shieldable dual-band card comprising a card body, characterized by: The shell is provided with two adjacent openings on the side surface, the openings are communicated with the card slot, and the inner top wall and the inner bottom wall of the card slot are inlaid with shielding plates for shielding signals; The intersection end of the two openings is fixed with a group of rubber blocks for limiting the card body; The shell is further provided with an NFC module; The bottom surface of the shell is fixed with a magnetic attraction plate.

2. The selectively shieldable dual-band card of claim 1, wherein: The limiting member comprises a top groove and a bottom groove provided in the inner top wall and the inner bottom wall of the card slot, a threaded ring is arranged in the bottom groove, a plug column is arranged between the top groove and the bottom groove, the plug column penetrates a reserved hole provided in the end corner of the card body, and the plug column is screwed with the threaded ring through the threads on the bottom end of the outer surface of the plug column.

3. A selectively shieldable dual-band card as in claim 2, wherein: A notch adapted to the plug column is provided at the end corner of the magnetic attraction plate.

4. The selectively shieldable dual-band card of claim 1, wherein: The number of the rubber blocks is two, and the two rubber blocks are symmetrically fixed at the end corners of the inner top wall and the inner bottom wall of the card slot, and the spacing value between the two rubber blocks is less than the thickness value of the card body.

5. The selectively shieldable dual-band card of claim 1, wherein: The shielding plate is made of copper.

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