CN220965308U

CN220965308U - Network key

Info

Publication number: CN220965308U
Application number: CN202222687079.2U
Authority: CN
Inventors: 李凤鸣
Original assignee: State Administration Of Taxation Rizhao Municipal Taxation Bureau
Current assignee: State Administration Of Taxation Rizhao Municipal Taxation Bureau
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2024-05-14
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a network key, which comprises a lower shell, wherein a circuit board assembly containing physical contacts is arranged in the upper part of the lower shell, a plugging cover is covered on the inner annular surface above the lower shell, the front end of the circuit board assembly is electrically connected with a USB plug, the front end of the USB plug penetrates through the front end of the lower shell and extends to the outside of the front end of the lower shell, and the upper part of the lower shell is connected with an upper shell in a clamping way through a clamping head. The inner structure of the utility model is not easy to enter dust and water, and the whole body is irreversibly damaged after being disassembled, thereby being beneficial to safe use.

Description

Network key

Technical Field

The utility model relates to the technical field of hardware encryption equipment, in particular to a network key.

Background

The U-shield is also called a network key, and plays a role in ensuring fund safety in the process of financial fund transaction under the condition of being inserted into a computer connected network, however, the existing U-shield, namely the network key, has two problems in the use process, namely the problem of internal sealing, namely poor sealing performance and poor waterproof and dustproof effects; secondly, traditional U shield is network key convenient to detach, exists by the condition that artificially dismantles and resume after changing inner structure, exists the problem that influences follow-up safe handling promptly this moment. To this end we propose a network key.

Disclosure of utility model

The object of the present utility model is to provide a network key which solves the drawbacks of the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a network key, includes the lower casing, the inside of lower casing top is equipped with the circuit board subassembly that contains physical contact, the interior ring face of lower casing top is covered with the shutoff lid, the front end electric connection of circuit board subassembly has the USB plug, the front end of USB plug runs through the front end of lower casing and extends to the outside of lower casing front end.

The upper portion of lower casing has the casing through the dop joint, the through-hole has been seted up to the part that the shutoff lid corresponds physical contact, through-hole department covers there is the rubber envelope, be equipped with the bonding rubber ring jointly between the outside border on rubber envelope upper portion and the shutoff lid, the lower surface of rubber envelope corresponds the physical contact and is equipped with the rubber plug, rubber envelope top is equipped with the ejector pin corresponding with the rubber plug, the upper end of ejector pin runs through the upper casing and extends to upper casing top, the outside fixed cover of lower extreme of ejector pin is equipped with the collar, the ejector pin is equipped with the shrink spring through the upper surface cover of collar, both ends are fixed connection with the lower surface of upper casing, the upper surface of collar respectively about the shrink spring.

The main through holes are formed in the board body of the circuit board assembly at intervals, the plugging cover is provided with the auxiliary through holes corresponding to the main through holes, the lower surface of the plugging cover is provided with the breaking rods corresponding to the auxiliary through holes, two sides of the lower ends of the breaking rods are provided with elastic breaking needles capable of being bundled, and the lower ends of the breaking rods penetrate through the main through holes, extend to the lower side of the board body of the circuit board assembly from the through holes.

Preferably, the circuit board assembly is further integrated with an encryption chip, a voltage stabilizing chip and a singlechip.

Preferably, the lower shell and the plugging cover are of an integrated structure, and the inner surface of the lower shell and the lower surface of the plugging cover corresponding to the outer side of the circuit board assembly are provided with fixing feet.

Preferably, a part of the USB plug penetrating through the lower housing is sleeved with a sealing ring, and the sealing ring is embedded in the lower housing.

Preferably, the upper end cover of the ejector rod is provided with a rubber sealing cover, and the lower end of the rubber sealing cover is fixedly connected with the outer surface of the upper shell.

Preferably, the upper shell is embedded with a display screen, the circuit board assembly is provided with a metal binding post matched with the display screen, the upper end of the metal binding post penetrates through the plugging cover, and the display screen is connected with the upper end of the metal binding post through a wire.

Preferably, when the lower end of the breaking rod penetrates through the main penetrating hole and the auxiliary penetrating hole, the elastic breaking needle is in a convergent state close to the breaking rod, and when the lower end of the breaking rod is positioned below the plate body of the circuit board assembly, the elastic breaking needle is in an elastic unfolding state.

The network key provided by the utility model has the beneficial effects that: in the application process, the inner part of the circuit board assembly is divided into two layers, and the lower shell and the plugging cover are of an integrated structure, so that the space where the circuit board assembly is positioned is high in stability, and the space formed by the lower shell and the plugging cover is not easy to enter dust and water due to the arrangement of the rubber sealing film and the sealing ring, so that the circuit board assembly is protected more highly, and the service life of the whole network key is prolonged; under the condition that the upper shell is disassembled and opened, the elastic breaking needle in the elastic unfolding state can generate physical irreversible damage to the circuit board assembly, so that the conditions that the circuit board assembly is disassembled manually and the internal structure is changed for use are avoided, the safe use of the network key is ensured, and the popularization is facilitated.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a network key according to the present utility model;

FIG. 2 is a top view of a network key according to the present utility model;

Fig. 3 is a top view of a plugging cover for a network key according to the present utility model;

fig. 4 is a schematic structural diagram of a network key breaker according to the present utility model.

In the figure: the sealing device comprises a lower shell 1, a plugging cover 2, a fixing foot 3, a circuit board assembly 4, a USB plug 5, an upper shell 6, a display screen 7, a through hole 8, a rubber sealing film 9, an adhesive rubber ring 10, a sealing ring 11, a rubber plug 12, a push rod 13, a mounting ring 14, a shrinkage spring 15, a rubber sealing cover 16, a main through hole 17, a secondary through hole 18, a breaking rod 19 and an elastic breaking needle 20.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1-3, a network key, including lower casing 1, the inside of lower casing 1 top is equipped with circuit board assembly 4 that contains physical contact, the inner ring face of lower casing 1 top is covered and is had shutoff lid 2, the front end electric connection of circuit board assembly 4 has USB plug 5, the front end of USB plug 5 runs through the front end of lower casing 1 and extends to the outside of lower casing 1 front end, circuit board assembly 4 still integrates encryption chip, steady voltage chip, the singlechip, lower casing 1 and shutoff lid 2 are integrated into an organic whole structure, all be equipped with fixed foot 3 on the internal surface of lower casing 1 and the lower surface of shutoff lid 2 that the circuit board assembly 4 outside corresponds.

The upper portion of lower casing 1 has last casing 6 through the dop joint, the through-hole 8 has been seted up to the part that shutoff lid 2 corresponds physical contact, through-hole 8 department covers and has rubber seal membrane 9, be equipped with jointly between the outside border of rubber seal membrane 9 upper portion and shutoff lid 2 and bond the rubber ring 10, the lower surface of rubber seal membrane 9 corresponds physical contact and is equipped with rubber plug 12, rubber seal membrane 9 top is equipped with the ejector pin 13 corresponding with rubber plug 12, the upper end of ejector pin 13 runs through last casing 6 and extends to upper casing 6 top, the outside fixed cover of lower extreme of ejector pin 13 is equipped with collar 14, ejector pin 13 is equipped with shrink spring 15 through the upper surface cover of collar 14, shrink spring 15 upper and lower both ends are fixed connection with the lower surface of last casing 6 respectively, the upper surface of collar 14, under the unstressed state of ejector pin 13, there is the clearance between lower extreme and the rubber seal membrane 9, and also there is the clearance between rubber plug 12 and the physical contact.

The upper end cover of ejector pin 13 is equipped with rubber seal cover 16, fixed connection between the lower extreme of rubber seal cover 16 and the surface of last casing 6, consequently when carrying out the button to the network key and controlling the condition, push down ejector pin 13 through rubber seal cover 16, shrink spring 15 accepts the extension, the lower extreme of ejector pin 13 and rubber seal cover 16 contact and make the contact portion move downwards, and then realize that the rubber plug 12 that the ejector pin 13 lower extreme corresponds extrudees the physical contact, can realize the physical manipulation to the network key this moment.

The upper shell 6 is embedded with a display screen 7, the circuit board assembly 4 is provided with a metal binding post matched with the display screen 7, the upper end of the metal binding post penetrates through the plugging cover 2, and the display screen 7 is connected with the upper end of the metal binding post through a wire.

The USB plug 5 is sleeved with the sealing ring 11 penetrating through the lower shell 1, and the sealing ring 11 is embedded in the lower shell 1, so that the whole network key is in an integrated structure between the lower shell 1 and the plugging cover 2 in the use process, the space where the circuit board assembly 4 is located is strong in stability, and the space formed by the lower shell 1 and the plugging cover 2 is not easy to enter dust and water due to the arrangement of the rubber sealing film 9 and the sealing ring 11, so that the circuit board assembly 4 is protected more highly, and the service life of the whole network key is prolonged;

Example 2

Referring to fig. 1 and 4, a network key is different from embodiment 1 in that a plurality of main through holes 17 are formed in a board body of a circuit board assembly 4 at intervals, a slave through hole 18 is formed in a plugging cover 2 corresponding to the main through hole 17, a breaking rod 19 is mounted on a lower surface of the plugging cover 2 corresponding to the slave through hole 18, resilient breaking pins 20 capable of being bundled are arranged on two sides of a lower end of the breaking rod 19, and a lower end of the breaking rod 19 penetrates through the main through hole 17, extends from the through hole 18 and extends to a lower portion of the board body of the circuit board assembly 4.

When the lower end of the breaking rod 19 passes through the main through hole 17 and the auxiliary through hole 18, the elastic breaking needle 20 is in a retracted state close to the breaking rod 19, and when the lower end of the breaking rod 19 is positioned below the board body of the circuit board assembly 4, the elastic breaking needle 20 is in an elastic unfolding state.

Therefore, under the condition that the upper shell 1 is disassembled and opened, the elastic breaking needle 20 in the elastic unfolding state can generate physical irreversible damage to the circuit board assembly 4, so that the conditions of manual disassembly and reuse after changing the internal structure are avoided, the safe use of the network key is ensured, and the popularization is facilitated.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The network key comprises a lower shell (1), wherein a circuit board assembly (4) containing physical contacts is arranged in the upper part of the lower shell (1), and is characterized in that an inner annular surface above the lower shell (1) is covered with a plugging cover (2), the front end of the circuit board assembly (4) is electrically connected with a USB plug (5), and the front end of the USB plug (5) penetrates through the front end of the lower shell (1) and extends to the outside of the front end of the lower shell (1);

The upper part of the lower shell (1) is clamped with the upper shell (6) through a clamping head, a through hole (8) is formed in the part, corresponding to the physical contact, of the plugging cover (2), a rubber sealing film (9) is covered at the through hole (8), an adhesive rubber ring (10) is jointly arranged between the outer side edge of the upper part of the rubber sealing film (9) and the plugging cover (2), a rubber top (12) is arranged on the lower surface of the rubber sealing film (9) corresponding to the physical contact, a push rod (13) corresponding to the rubber top (12) is arranged above the rubber sealing film (9), the upper end of the push rod (13) penetrates through the upper shell (6) and extends to the upper shell (6), a mounting ring (14) is fixedly sleeved at the outer part of the lower end of the push rod (13), a shrinkage spring (15) is sleeved on the upper surface of the push rod (13), and the upper end and the lower end of the shrinkage spring (15) are fixedly connected with the lower surface of the upper shell (6) and the upper surface of the mounting ring (14) respectively;

The utility model discloses a circuit board assembly (4) board body is last to have offered the main through hole (17) that a plurality of intervals set up, from through hole (18) have been offered to shutoff lid (2) corresponding main through hole (17), destruction pole (19) are installed from through hole (18) to the lower surface correspondence of last casing (6), the both sides of destruction pole (19) lower extreme are equipped with elasticity destruction needle (20) that can take in, main through hole (17) are run through to the lower extreme of destruction pole (19), from through hole (18) and extend to the below of the board body of circuit board assembly (4).

2. A network key according to claim 1, characterized in that the circuit board assembly (4) is further integrated with an encryption chip, a voltage stabilizing chip, a single chip microcomputer.

3. The network key according to claim 1, wherein the lower housing (1) and the plugging cover (2) are of an integrated structure, and the inner surface of the lower housing (1) and the lower surface of the plugging cover (2) corresponding to the outer side of the circuit board assembly (4) are provided with fixing pins (3).

4. A network key according to claim 1, characterized in that the USB plug (5) is partly sleeved with a sealing ring (11) through the lower housing (1), said sealing ring (11) being embedded inside the lower housing (1).

5. A network key according to claim 1, characterized in that the upper end cap of the ejector rod (13) is provided with a rubber sealing cap (16), the lower end of the rubber sealing cap (16) being fixedly connected with the outer surface of the upper housing (6).

6. A network key according to claim 1, wherein the upper housing (6) is embedded with a display screen (7), the circuit board assembly (4) is provided with a metal binding post matched with the display screen (7), the upper end of the metal binding post penetrates through the plugging cover (2), and the display screen (7) is connected with the upper end of the metal binding post through a wire.

7. A network key according to claim 1, wherein the elastic breaking pin (20) is in a retracted state close to the breaking pin (19) when the lower end of the breaking pin (19) penetrates the main through hole (17) and the auxiliary through hole (18), and the elastic breaking pin (20) is in an elastically unfolded state when the lower end of the breaking pin (19) is positioned below the board body of the circuit board assembly (4).