CN114267981B

CN114267981B - Interface protection device

Info

Publication number: CN114267981B
Application number: CN202111425087.3A
Authority: CN
Inventors: 王保力; 刘林; 孙耀; 孙冠; 阎双叶; 姜虹; 薛林
Original assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2024-01-16
Anticipated expiration: 2041-11-26
Also published as: CN114267981A

Abstract

The invention discloses an interface protection device, which comprises a cuboid protection shell (1) sleeved outside a mainframe box (2), wherein a first chamber is formed in the protection shell (1), and the bottom of the first chamber is fixedly connected with the mainframe box (2) provided with a USB interface through a bolt; an opening and closing mechanism (4) positioned right above the USB interface is arranged on the upper end surface of the protective shell (1); the side of protective housing (1) is provided with is used for cooperating radiating mechanism (5) of mainframe (2) heat dissipation. The invention solves the problems that an operator is randomly connected with the USB interface to download and copy research data and steal research results, realizes the effect of protecting the USB interface in two layers, avoids the influence of dust in the first cavity and water vapor in the air on the use function of the USB interface, and effectively improves the protection effect of the USB interface.

Description

Interface protection device

Technical Field

The invention relates to the technical field of computer communication, in particular to a USB interface protection device.

Background

Computer communication is a way of communicating information between computers or between computers and terminal devices in the form of data communication. The system is a product of the integration of the modern computer technology and the communication technology, and is widely applied to the fields of army command automation systems, weapon control systems, information processing systems, decision analysis systems, information retrieval systems, office automation systems and the like. The basic principle of computer communication is to convert an electrical signal into a logic signal in such a way that high and low levels are represented as 1 and 0 in binary numbers, and then all information is represented by different binary sequences.

The existing transmission mode of computer communication generally adopts a wired transmission mode, so that on one hand, the stability of transmission can be ensured, on the other hand, the safety of data is also ensured, the computer data is the place with the highest value in scientific research institutions, companies and schools, the data is generally stored in a computer, the existing mode of stealing the data mainly comprises network viruses and artificial copying and stealing, and the current most commonly used copying mode is USB interface copying. Therefore, how to prevent the human theft of data is an important measure for avoiding the scientific research loss of institutions.

Therefore, we propose a USB interface protection device to solve the above-mentioned problems.

Disclosure of Invention

The present invention provides a USB interface protection device for preventing the theft of data.

In order to achieve the above object, the present invention provides a USB interface protection device, which includes: the protection shell is sleeved outside the main case and is internally provided with a first cavity, and the bottom of the first cavity is fixedly connected with the main case provided with a USB interface through a bolt; the upper end face of the protective shell is provided with an opening and closing mechanism positioned right above the USB interface; the side surface of the protective shell is provided with a heat dissipation mechanism for being matched with the mainframe for heat dissipation;

the opening and closing mechanism comprises a sliding cover which is arranged on the upper end face of the protective shell and is in sliding connection with the upper end face of the protective shell through a roller, a fingerprint lock used for opening and closing the sliding cover is arranged on the upper end face of the sliding cover, a soot blowing mechanism and a telescopic mechanism used for protecting a USB interface are arranged on the lower end face of the sliding cover, a cuboid-shaped connecting block is fixedly connected with the lower end face of the sliding cover, a first telescopic rod used for controlling the sliding cover to move along the horizontal direction is fixedly connected with the side face of the connecting block, and one end, away from the connecting block, of the first telescopic rod is fixedly connected with the inner side wall of the first chamber.

Under the preferred mode, telescopic machanism include along vertical direction fixed connection in the second telescopic link of the lower terminal surface of sliding closure, the second telescopic link is kept away from the one end fixedly connected with soft rubber material's circular-arc fixed block of sliding closure, the outside cover of second telescopic link is equipped with the spring.

Under the preferred mode, soot blowing mechanism include fixed connection in the bellows shell of terminal surface under the sliding closure, the side slope of bellows shell is provided with the air outlet, the second cavity has been seted up to the inside of bellows shell, sliding connection has the push pedal in the second cavity, one side fixedly connected with that the air outlet was kept away from to the push pedal wear to locate bellows shell side and with bellows shell side sliding connection's push rod, the one end that the bellows shell was kept away from to the push rod with the inside wall fixed connection of first cavity.

Under the preferred mode, heat dissipation mechanism including set up in first through-hole and the second through-hole of protective housing lateral wall keep away from the protective housing lateral wall of first through-hole and second through-hole be provided with the protection network that first through-hole and second through-hole cooperation used and with dust sweeping mechanism that the cooperation of protection network was used.

Under the preferred mode, install in first through-hole and the second through-hole through the bracing piece with the fan leaf that the protective housing lateral wall rotated and is connected.

Under the preferred mode, sweep dirt mechanism including set up in the spout of protection network both sides, sliding connection has along the gliding slider of vertical direction from top to bottom in the spout, one side that the protection network was kept away from to the slider extends to the spout outside, one side that the slider is close to the protection network fixedly connected with is used for the clearance the brush of protection network dust.

The beneficial effects of the invention are as follows: through the cooperation of the protective housing, the sliding cover, the fingerprint lock and the first telescopic rod, the protective housing plays an isolated protection role on the main cabinet and the USB interface when the USB interface is used at ordinary times, and only when data downloading is required to be copied, the fingerprint lock is pressed, fingerprints are identified and electric signals are sent out, so that the first telescopic rod drives the sliding cover to displace outwards, the upper end surface of the protective housing forms an opening, an operator inserts the USB flash disk on the USB interface through the opening to copy data information, and the problems that the operator is randomly connected with the USB interface to download copy research data and steal research results are solved; through the cooperation of the second telescopic link, fixed block, bellows shell and the push pedal that sets up to reach the fixed block and block up on the USB interface when using at ordinary times, realized the effect to the two-layer protection of USB interface, avoided the dust in the first cavity and the vapor in the air to the service function of USB interface to influence, and when the sliding closure outwards removes, under the effect of push pedal and push rod, make the air in the bellows shell get rid of from the air outlet fast, blow away the dust on the fixed block travel path, make the fixed block with USB interface contact keep clean, avoid bringing the dust on the USB interface, influence its result of use, effectually promoted the protection effect to the USB interface.

Drawings

FIG. 1 is a front view of the external structure of a USB interface guard of the present invention;

FIG. 2 is a side view of the external structure of the USB interface guard of the present invention;

FIG. 3 is a schematic diagram illustrating an internal structure of a USB interface protection device according to the present invention;

FIG. 4 is a schematic view of the bottom structure of the slider of FIG. 1;

fig. 5 is a cross-sectional view of the enclosure of the bellows of fig. 4.

In the figure: 1. a protective shell; 2. a main chassis; 3. a USB interface; 4. an opening and closing mechanism; 5. a heat dissipation mechanism; 6. a sliding cover; 7. a fingerprint lock; 8. a connecting block; 9. a first telescopic rod; 10. a telescoping mechanism; 11. a second telescopic rod; 12. a spring; 13. a fixed block; 14. a soot blowing mechanism; 15. a bellows housing; 16. a push plate; 17. a push rod; 18. an air outlet; 19. a protective net; 20. a dust sweeping mechanism; 21. a support rod; 22. a fan blade; 23. a chute; 24. a slide block; 25. a brush.

Detailed Description

The invention provides a USB interface protection device, which comprises: the protection shell is sleeved outside the main case and is internally provided with a first cavity, and the bottom of the first cavity is fixedly connected with the main case provided with a USB interface through a bolt; the upper end face of the protective shell is provided with an opening and closing mechanism positioned right above the USB interface; the side surface of the protective shell is provided with a heat dissipation mechanism for being matched with the mainframe for heat dissipation;

The telescopic mechanism comprises a second telescopic rod fixedly connected to the lower end face of the sliding cover in the vertical direction, one end, away from the sliding cover, of the second telescopic rod is fixedly connected with an arc-shaped fixing block made of soft rubber, and a spring is sleeved on the outer side of the second telescopic rod.

The soot blowing mechanism comprises a bellows housing fixedly connected to the lower end face of the sliding cover, an air outlet is obliquely arranged on the side face of the bellows housing, a second cavity is formed in the bellows housing, a push plate is connected in a sliding mode in the second cavity, one side, away from the air outlet, of the push plate is fixedly connected with a push rod penetrating through the side face of the bellows housing and in sliding connection with the side face of the bellows housing, and one end, away from the bellows housing, of the push rod is fixedly connected with the inner side wall of the first cavity.

The heat dissipation mechanism comprises a first through hole and a second through hole which are formed in the outer side wall of the protective shell, and a protective net matched with the first through hole and the second through hole and a dust sweeping mechanism matched with the protective net are arranged on the outer side wall of the protective shell far away from the first through hole and the second through hole.

And fan blades which are rotationally connected with the outer side wall of the protective shell through support rods are arranged in the first through hole and the second through hole.

The dust sweeping mechanism comprises sliding grooves formed in two sides of the protective net, sliding blocks sliding up and down along the vertical direction are connected in the sliding grooves in a sliding mode, one side, away from the protective net, of each sliding block extends to the outside of the corresponding sliding groove, and a hairbrush for cleaning dust of the protective net is fixedly connected to one side, close to the protective net, of each sliding block.

Specific examples:

referring to fig. 1-5, a USB interface protection device includes a protection shell 1 and a mainframe box 2, a USB interface 3 is disposed on an upper end surface of the mainframe box 2, and is used for plugging a USB disk to download and copy data in the computer, the protection shell 1 is rectangular, a first chamber is disposed in the protection shell 1, the mainframe box 2 is fixedly connected in the first chamber through bolts, the mainframe box 2 is matched with the first chamber in size, the mainframe box 2 is electrically connected with a display screen, and the mainframe box 2 is wirelessly connected with a keyboard and a mouse through bluetooth.

The protective housing 1 is last to be equipped with opening and closing mechanism 4, and opening and closing mechanism 4 is including seting up the opening of protective housing 1 up end, has sliding closure 6 that cooperates with it through gyro wheel sliding connection in the opening, and sliding closure 6 up end is equipped with fingerprint lock 7, and the model is sea and receives the HNS-F040 for discernment user's fingerprint, because this fingerprint lock 7 is prior art, do not doing in here in the excrescence, terminal surface fixedly connected with connecting block 8 under sliding closure 6, connecting block 8 is rectangular block, and one side fixedly connected with first telescopic link 9 of connecting block 8, and first telescopic link is electric hydraulic stem, and the model is dragon and hangs down step 50, and with fingerprint lock 7 electric connection, and this electric hydraulic stem is prior art, do not doing in here in the excrescence, and the other end fixedly connected with of first telescopic link 9 in the inside wall of first cavity, when fingerprint lock 7 discerns the user for laboratory interior personnel, sends the signal and makes first telescopic link shrink promptly, and first telescopic link can drive 8 and 6 outside displacement at the in the process of shrink, makes USB interface 3 of main machine case 2 up end face expose outside, user's U3 can copy USB interface 3 on the user's the USB interface 3, and can take over the end face 3 to copy the USB interface 3, and seal the position is carried by the user's 7 to the USB interface is the experiment is carried out to the USB interface 3 after the end 7, and the experiment interface is sealed, the experiment is carried out the end 3 is sealed.

The telescopic mechanism 10 for protecting the USB interface 3 is arranged on the lower end face of the sliding cover 6, the telescopic mechanism 10 comprises a second telescopic rod 11 fixedly connected to the lower end face of the sliding cover 6, a spring 12 is sleeved outside the second telescopic rod 11, the other end of the second telescopic rod 11 is fixedly connected with a fixing block 13, the fixing block 13 plugs the USB interface 3 in a normal state, dust in a first cavity and water vapor in air are prevented from adhering to the USB interface 3, rust and other problems are caused, the service life of the USB interface is reduced, when the sliding cover 6 moves outwards, the fixing block 13 is driven to move beside the USB interface 3 under the driving of the second telescopic rod 11 and the spring, the USB interface 3 is exposed to an operator for use, the fixing block 13 is in an arc shape, the fixing block 13 is made of soft rubber, the fixing block 13 is matched with the size of the USB interface 3, the soft arc fixing block 13 can better fill the inner space of the USB interface, and the soft rubber material is good in elasticity and durable.

The lower end face of the sliding cover 6 is provided with a soot blowing mechanism 14, the soot blowing mechanism 14 comprises a bellows housing 15 fixedly connected to the lower end face of the sliding cover 6, a second cavity is arranged in the bellows housing 15, a push plate 16 matched with the second cavity is arranged in the second cavity, one side of the push plate 16 is fixedly connected with a push rod 17, the push rod 17 penetrates through the bellows housing 15 and is in sliding connection with the bellows housing, the other end of the push rod 17 is fixedly connected with the inner wall of the first cavity, one side of the bellows housing 15 is obliquely provided with an air outlet 18, and because one side of the push rod 17 is fixedly connected with the inner wall of the first cavity, when the sliding cover 6 is outwards displaced, the bellows housing 15 is driven to move together, at the moment, the push plate 16 in the second cavity of the bellows housing 15 is displaced in the opposite direction relative to the bellows housing 15, air in the second cavity is extruded, so that air flow is discharged from the air outlet 18, and because the air outlet 18 is obliquely arranged, the air flow can be blown to the peripheral area of a USB interface under the guidance of the air outlet 18, dust adhered to the area is blown away, the moving path of the fixing block 13 is kept clean, the dust is not brought to the USB interface, and the dust is kept clean.

Be equipped with the cooling machanism 5 on the protective housing 1, cooling machanism 5 is including seting up first through-hole and two second through-holes on the lateral wall of mainframe box 2, first through-hole and second through-hole are used for realizing the circulation of air, the heat diffusion that produces mainframe box 2 is outside to first cavity, avoid mainframe box 2 because the high temperature, and produce the trouble problem, one side fixedly connected with of mainframe box 2 and the protection network 19 that first through-hole cooperation was used, be used for preventing some debris and dust entering first cavity in, one side of mainframe box 2 is equipped with the dust scanning mechanism that uses with the cooperation of protection network 19, 20 dust scanning mechanism 20 is including seting up the spout 23 in the protection network 19 both sides, sliding connection has the slider 24 that uses with it in cooperation, one side of slider 24 extends to the spout 23 outside, one side fixedly connected with brush 25 of slider 24, when protection network 19 has the dust, thereby drive the brush 25 and reciprocate and clean protection network 19, get rid of dust attached to it is fixed connection bracing piece 21 on the lateral wall of second through-hole, one side 21 rotates when being connected with fan blade 22 in the fan blade 22 of protection network 2, the fan blade 2 is rotated with the outside, the fan case that can be cooled down, the air current is cooled down, the fan case 2 is cooled down to the steady, the air flow has been exchanged between the outside to the fan case.

Working principle: when the invention is used, an operator presses the fingerprint lock 7 when required to copy and download data on the computer, the sliding cover 6 can displace outwards, so that the upper end face of the protective shell 1 leaks out of the notch, the fixed block 13 can be driven to displace outwards together in the outwards displacement process of the sliding cover 6, the fixed block 13 is moved away from the USB interface 3, the operator inserts a USB disk and the like onto the USB interface through the notch to copy and download the data, and the sliding cover 6 displaces outwards and simultaneously drives the bellows housing 15 to move together, under the action of the push rod 17 and the push plate 16, air flow is generated inside, the air flow is discharged through the air outlet 18, dust on the moving path of the fixed block 13 is blown away, the fixed block 13 contacted with the USB interface 3 is kept clean, the dust is prevented from being brought onto the USB interface 3, when the operator copies the data on the computer, the USB disk is pulled down, the fingerprint lock 7 is pressed again, the sliding cover 6 moves to the initial position, at this moment, the protective shell 1 can isolate and protect the USB interface 3 and the mainframe 2, so as to prevent irrelevant personnel from copying and stealing experimental data through the USB interface 3 at will, in the process of moving the sliding cover 6 to the initial position, the fixed block 13 is driven to move together, so that the USB interface is plugged again, dust in the first cavity and water vapor in the air are prevented from influencing the using function of the USB interface, in the normal use process, the fan blade 22 rotates, the air flow exchange between the first cavity and the external environment is accelerated, the heat dissipation effect on the mainframe 2 is enhanced, the mainframe 2 can work stably, when dust is arranged on the protective screen 19, the sliding block 24 can be moved up and down by hand, thereby driving the brush 25 to move up and down to clean the protective screen 19, removing dust attached on the protective screen 19, preventing excessive dust accumulation, affecting the heat dissipation effect of the main chassis 2.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.

Claims

1. A USB interface protection device, comprising: the protection shell (1) is sleeved outside the mainframe box (2), a first cavity is formed in the protection shell (1), and the bottom of the first cavity is fixedly connected with the mainframe box (2) provided with a USB interface through bolts; an opening and closing mechanism (4) positioned right above the USB interface is arranged on the upper end surface of the protective shell (1); the side surface of the protective shell (1) is provided with a heat dissipation mechanism (5) for being matched with the mainframe (2) to dissipate heat;

the opening and closing mechanism (4) comprises a sliding cover (6) which is arranged on the upper end face of the protective shell (1) and is in sliding connection with the upper end face of the protective shell (1) through a roller, a fingerprint lock (7) for opening and closing the sliding cover (6) is arranged on the upper end face of the sliding cover (6), a soot blowing mechanism (14) and a telescopic mechanism (10) for protecting a USB interface are arranged on the lower end face of the sliding cover (6), a cuboid-shaped connecting block (8) is fixedly connected to the lower end face of the sliding cover (6), a first telescopic rod (9) for controlling the sliding cover (6) to move along the horizontal direction is fixedly connected to the side face of the connecting block (8), and one end, far away from the connecting block (8), of the first telescopic rod (9) is fixedly connected to the inner side wall of the first chamber;

the telescopic mechanism (10) comprises a second telescopic rod (11) fixedly connected to the lower end face of the sliding cover (6) along the vertical direction, one end, far away from the sliding cover (6), of the second telescopic rod (11) is fixedly connected with an arc-shaped fixed block (13) made of soft rubber, and a spring (12) is sleeved on the outer side of the second telescopic rod (11);

the soot blowing mechanism (14) comprises a bellows housing (15) fixedly connected to the lower end face of the sliding cover (6), an air outlet (18) is obliquely arranged on the side face of the bellows housing (15), a second cavity is formed in the bellows housing (15), a push plate (16) is connected in a sliding mode in the second cavity, one side, far away from the air outlet (18), of the push plate (16) is fixedly connected with a push rod (17) penetrating through the side face of the bellows housing (15) and in sliding connection with the side face of the bellows housing (15), and one end, far away from the bellows housing (15), of the push rod (17) is fixedly connected with the inner side wall of the first cavity;

when in use, the utility model is characterized in that: the fingerprint lock (7) is pressed, the sliding cover (6) is outwards displaced, and in the displacement process, the fixed block (13) is driven to outwards displace together, so that the fixed block is removed from the USB interface, and meanwhile, the movable bellows housing (15) is blown with dust;

after use: the fingerprint lock (7) is pressed again, the sliding cover (6) moves to the initial position, the protection shell (1) isolates and protects the USB interface and the mainframe box (2), and the fixing block (13) plugs the USB interface again.

2. The USB interface protection device according to claim 1, wherein the heat dissipation mechanism (5) includes a first through hole and a second through hole that are opened on an outer side wall of the protection shell (1), and a protection net (19) that is used in cooperation with the first through hole and the second through hole and a dust sweeping mechanism (20) that is used in cooperation with the protection net (19) are disposed on an outer side wall of the protection shell (1) that is away from the first through hole and the second through hole.

3. The USB interface protection device according to claim 2, wherein fan blades (22) rotatably connected to the outer side wall of the protective case (1) through support rods (21) are installed in the first through hole and the second through hole.

4. The USB interface protection device according to claim 2, wherein the dust sweeping mechanism (20) comprises sliding grooves (23) arranged on two sides of the protection net (19), sliding blocks (24) sliding up and down along the vertical direction are connected in the sliding grooves (23), one sides of the sliding blocks (24) away from the protection net (19) extend to the outside of the sliding grooves (23), and brushes (25) for cleaning dust of the protection net (19) are fixedly connected to one sides of the sliding blocks (24) close to the protection net (19).