Contact type smart card data encryption device

Abstract

The utility model relates to the technical field of intelligent cards, and discloses a contact type intelligent card data encryption device which comprises an encryption box, an annular partition plate which is concave inwards is fixed at the top of the encryption box, and a placing plate used for placing an intelligent card is installed in the annular partition plate in an up-down sliding mode. A plurality of mounting bases are fixed to the outer side wall of the annular partition plate, rotating shafts are rotatably mounted on the mounting bases, locking assemblies matched with the rotating shafts for use are mounted on the lower portions of the mounting bases, and the tops of the mounting bases are connected with pressing rods slidably mounted on the annular partition plate through first springs; one end of the pressing rod is fixed to the side wall of the containing plate, and a through hole corresponding to the rotating shaft is formed in one end of the pressing rod. According to the utility model, the placing plate is installed in the annular partition plate in an up-and-down sliding manner, the placing plate can move downwards under the condition of being pressed, the intelligent card can be limited through the annular partition plate, and the condition of displacement of the intelligent card is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of smart cards, in particular to a contact smart card data encryption device. Background Technique

[0002] A data encryption device is an encryption product that combines software and hardware and is plugged into the computer's USB port. Generally, it has non-volatile storage space of dozens or hundreds of bytes for reading and writing. The newer encryption devices also contain a single-chip microcomputer inside. Software developers can exchange data with the data encryption device through interface functions to encrypt the smart card.

[0003] When encrypting the smart card, it is usually directly placed on the induction part of the data encryption device for encryption processing. Since the induction part of the data encryption device is usually relatively smooth, the smart card is prone to displacement during the encryption process, resulting in the failure of smart card encryption and the need for re-encryption processing, which brings inconvenience to the staff.

[0004] Therefore, we propose a contact smart card data encryption device to solve the problems mentioned above. Content of the Utility Model

[0005] The purpose of the utility model is to solve the problems mentioned above.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: A contact smart card data encryption device includes an encryption box. An inwardly concave annular partition is fixed on the top of the encryption box. A placement plate for placing the smart card is slidably installed up and down inside the annular partition. A plurality of mounting seats are fixed on the outer side wall of the annular partition. A rotating shaft is rotatably installed on the mounting seat. A locking component for cooperating with the rotating shaft is installed at the lower part of the mounting seat. The top of the mounting seat is connected to a pressing rod slidably installed on the annular partition through a first spring, and one end of the pressing rod is fixed to the side wall of the placement plate. A through hole corresponding to the rotating shaft is opened at one end of the pressing rod. A locking shaft is fixed on the circumferential wall of the through hole. A locking block for cooperating with the locking shaft is installed at the upper part of the rotating shaft.

[0007] Further: The locking component includes a fixed disk fixed at the lower part of the rotating shaft and a locking box fixed at the bottom of the mounting seat. The fixed disk is located inside the locking box. A torsion spring sleeved on the rotating shaft is arranged at the lower part of the fixed disk.

[0008] Further: The two ends of the torsion spring are respectively inserted into the inside of the limiting cylinder. The two limiting cylinders are respectively fixed at the bottom of the fixed disk and the inner bottom wall of the locking box.

[0009] Further: There are multiple locking blocks, and the multiple locking blocks are fixed on the outer surface of the upper part of the rotating shaft along the circumferential direction. A notch for cooperating with the locking shaft is provided on each rotating shaft.

[0010] Further: A number of boxes are equidistantly fixed on the outer side wall of the annular partition. A number of second springs are fixed inside the boxes, and one end of the multiple springs is fixed to the same pressing block for pressing the smart card, and the pressing end of the pressing block is arranged in a "semicircular" shape.

[0011] Advantages of the present utility model:

[0012] In the present utility model, a placement plate is slidably installed up and down inside the annular partition. When the placement plate is pressed, it can move downward. The annular partition can limit the smart card, reducing the situation of the smart card shifting; on the side wall of the annular partition, there are boxes, second springs and a pressing block. Through the cooperation of the boxes, second springs and the pressing block, the smart card can be clamped, playing a role in clamping the smart card and reducing the situation of encryption failure due to shaking during the encryption process of the smart card, thereby improving the use effect of the device. Description of the drawings

[0013] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0014] Figure 2 is a connection structural schematic diagram of the annular partition and the placement plate in the present utility model;

[0015] Figure 3 is a three-dimensional structural schematic diagram of the placement plate in the present utility model;

[0016] Figure 4 is a partial enlarged structural schematic diagram at A in the present utility model;

[0017] Figure 5 is a connection structural schematic diagram of the mounting seat and the rotating shaft in the present utility model;

[0018] Figure 6 is an exploded structural schematic diagram of the locking assembly in the present utility model;

[0019] Figure 7 is a sectional structural schematic diagram of the pressing rod in the present utility model;

[0020] Figure 8 is a connection structural schematic diagram of the box and the pressing block in the present utility model.

[0021] Names corresponding to each mark in the figure:

[0022] 1. Encryption box; 2. Annular partition; 3. Placing plate; 4. Mounting seat; 5. Rotating shaft; 6. Locking assembly; 61. Fixed disk; 62. Locking box; 63. Torsion spring; 64. Limiting cylinder; 7. First spring; 8. Pressing rod; 9. Through hole; 10. Locking shaft; 11. Locking block; 111. Notch; 12. Box body; 13. Second spring; 14. Pressing block. Detailed implementation mode

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0024] Embodiments of the present invention:

[0025] As Figure 1 shown: A contact type smart card data encryption device includes an encryption box 1 and a card reader (not shown in the figure, the card reader already belongs to the prior art and will not be described in detail in this application) installed in the encryption box 1; and the card reader is electrically connected to an external power supply. An inwardly concave annular partition 2 is fixed inside the encryption box 1, and a placing plate 3 is slidably installed up and down inside the annular partition 2, so that the placing plate 3 can drive the smart card to move downward. Through the cooperation of the annular partition 2 and the placing plate 3, a placing groove adapted to the size of the smart card can be formed, and the inner side wall of the annular partition 2 plays a role in limiting the smart card, reducing the situation of encryption failure caused by the shaking of the smart card during the encryption process;

[0026] A chute 15 is provided on each outer side wall of the annular partition 2, and a pressing rod 8 is slidably installed up and down inside the chute 15. One end of the pressing rod 8 is fixedly connected to the side wall of the placing plate 3, and a mounting seat 4 fixed to the outer side wall of the annular partition 2 is provided below the chute 15. A first spring 7 is fixed between the mounting seat 4 and the pressing rod 8. Through the cooperation of the mounting seat 4, the first spring 7 and the pressing rod 8, the placing plate 3 can be driven to move upward. After the smart card is encrypted, the encrypted smart card can be pushed out of the inside of the annular partition 2 through the placing plate 3, which is convenient for taking the smart card and provides convenience for the staff.

[0027] It should be noted that: a rotating shaft 5 is rotatably mounted on the mounting base 4, and a through hole 9 for cooperating with the rotating shaft 5 is provided at one end of the pressing rod 8. A plurality of locking shafts 10 are fixedly arranged at equal intervals along the circumferential direction of the inner side wall of the through hole 9. A plurality of locking blocks 11 are mounted along the circumferential direction on the upper part of the rotating shaft 5. A certain gap is left between adjacent locking blocks 11. A notch 111 for cooperating with the locking shaft 10 is provided on each locking block 11. Through the cooperation of the locking shaft 10, the locking block 11 and the notch 111, the pressing rod 8 can be locked on the rotating shaft 5.

[0028] A locking assembly 6 for cooperating with the rotating shaft 5 is mounted on the lower part of the mounting base 4. Specifically: the locking assembly 6 includes a fixed disk 61 fixed to the lower part of the rotating shaft 5 and a locking box 62 fixed to the bottom of the mounting base 4. A torsion spring 63 is arranged between the bottom of the fixed disk 61 and the inner bottom wall of the locking box 62. The torsion spring 63 is sleeved on the lower part of the rotating shaft 5. It should be noted that: both ends of the torsion spring 63 are respectively inserted into the inside of the limiting cylinder 64, and the two limiting cylinders 64 are respectively inserted into the bottom wall of the fixed disk 61 and the inner bottom wall of the locking box 62. Through the arrangement of the locking assembly 6, the rotating shaft 5 can be rotated, and it can be ensured that the locking shaft 10 is clamped in the notch 111.

[0029] A plurality of boxes 12 are fixedly arranged at equal intervals on the outer side wall of the annular partition 2. A plurality of second springs 13 are fixed inside the boxes 12. One end of the plurality of second springs 13 is fixed with a pressing block 14. The side of the pressing block 14 away from the second spring 13 penetrates through the annular partition 2. Through the cooperation of the second spring 13 and the pressing block 14, the function of pressing the smart card is achieved, and the situation of the smart card shaking is further reduced. One end of the annular partition 2 away from the second spring 13 is arranged in a "semicircular" shape, so that when the pressing block 14 is squeezed, it can shrink into the inside of the box 12.

[0030] When encrypting the smart card, first place the smart card to be encrypted on the placement board 3 and press down on the smart card. During the process of pressing down the smart card, pressure can be exerted on the placement board 3. When the placement board 3 is under pressure, it moves downward. When the placement board 3 drives several pressure rods 8 to move downward, it can also squeeze several pressing blocks 14. When the pressure rod 8 moves downward, it can squeeze the first spring 7. At this time, the first spring 7 changes from its original state to a compressed state. If the through hole 9 on the pressure rod 8 is inserted into the upper part of the rotating shaft 5, several locking shafts 10 respectively squeeze the inclined surfaces of the locking blocks 11. When multiple locking blocks 11 are squeezed, they can drive the rotating shaft 5 to rotate. When the rotating shaft 5 rotates, it can drive the fixed disk 61 to rotate. Through the cooperation of the fixed disk 61 and the locking box 62, the torsion spring 63 can be twisted. As the locking shaft 10 continues to move downward, if the locking shaft 10 moves to the position of the notch 111, the torsion spring 63 loses the squeezing force and drives the fixed disk 61 to rotate in the opposite direction. The fixed disk 61 can drive several locking blocks 11 to rotate through the rotating shaft 5, so that the locking shaft 10 can be clamped in the notch 111, thus playing a role in fastening the placement board 3. Through the placement board 3, the smart card can be limited, preventing the smart card from shaking during the encryption process; when the pressing block 14 is squeezed, it can move into the box body 12 and squeeze the second spring 13. If the smart card moves below several pressing blocks 14, the second spring 13 pushes the pressing block 14 to move out of the box body 12, so that the semi-circular surface of the pressing block 14 can form a line contact with the edge of the smart card, further playing a role in fastening the smart card. Then, the smart card (smart card encryption already belongs to the prior art, and this application will not elaborate in detail) can be encrypted.

[0031] When the encrypted card needs to be taken out after encryption, press the smart card again. The smart card drives several pressure rods 8 to move downward again through the placement board 3. Several locking shafts 10 in the pressure rod 8 respectively press the slopes at the lower part of the locking blocks 11. After multiple locking blocks 11 are squeezed, multiple rotating shafts 5 rotate in the same manner as above. If the locking shaft 10 moves below the locking block 11, the first spring 7 returns from the squeezed state to its original state and pushes the pressure rod 8 upward, so that the pressure rod 8 can be taken out between two adjacent locking blocks 11. Multiple pressure rods 8 can drive the same placement board 3 to move upward. During the process of the placement board 3 moving upward, it can squeeze the circumferential surface of the pressing block 14. When the pressing block 14 is squeezed, it can move into the box body 12 and squeeze several second springs 13, so that the pressing block 14 can contract into the interior of the box body 12. Then, the smart card can be taken out from the placement board 3.

Claims

1. A contact smart card data encryption device, comprising an encryption box (1), characterized in that: The top of the encryption box (1) is fixed with an annular partition (2) which is recessed inwardly, and a placement plate (3) for placing a smart card is slidably installed inside the annular partition (2) up and down. A plurality of mounting seats (4) are fixed to the outer wall of the annular partition (2), and a rotating shaft (5) is rotatably installed on the mounting seat (4). A locking assembly (6) used in conjunction with the rotating shaft (5) is installed at the lower part of the mounting seat (4). The top of the mounting seat (4) is connected to a pressure rod (8) slidably installed on the annular partition (2) through a first spring (7), and one end of the pressure rod (8) is fixed to the side wall of the placement plate (3). A through hole (9) is opened at one end of the pressure rod (8) and is opposite to the rotating shaft (5). A locking shaft (10) is fixed on the circumferential wall of the through hole (9), and a locking block (11) used in conjunction with the locking shaft (10) is installed at the upper part of the rotating shaft (5).

2. A contact smart card data encryption device according to claim 1, characterized in that: The locking assembly (6) comprises a fixing plate (61) fixed to the lower part of the rotating shaft (5) and a locking box (62) fixed to the bottom of the mounting seat (4); the fixing plate (61) is located inside the locking box (62); and a torsion spring (63) sleeved on the rotating shaft (5) is arranged at the lower part of the fixing plate (61).

3. A contact smart card data encryption device according to claim 2, characterized in that: The two ends of the torsion spring (63) are respectively inserted into the interior of the limiting cylinder (64), and the two limiting cylinders (64) are respectively fixed to the bottom of the fixing plate (61) and the inner bottom wall of the locking box (62).

4. A contact smart card data encryption device according to claim 1, characterized in that: There are a plurality of locking blocks (11), and the plurality of locking blocks (11) are fixed on the outer surface of the upper portion of the rotating shaft (5) along the circumferential direction. Each rotating shaft (5) is provided with a notch (111) for use with the locking shaft (10).

5. A contact smart card data encryption device according to claim 1, characterized in that: A plurality of box bodies (12) are fixed at equal intervals on the outer side wall of the annular partition (2), a plurality of second springs (13) are fixed inside the box bodies (12), and a same pressing block (14) for pressing the smart card is fixed at one end of the plurality of second springs (13), and the pressing end of the pressing block (14) is arranged in a "semicircular" shape.

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