CN111581681A

CN111581681A - Computer interface safety device for preventing computer data from being stolen

Info

Publication number: CN111581681A
Application number: CN202010323830.3A
Authority: CN
Inventors: 伊华伟; 佟玉军; 宋霄; 李晓会; 李波
Original assignee: Liaoning University of Technology
Current assignee: Liaoning University of Technology
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-08-25

Abstract

Computer interface security device for preventing computer data from being stolen, comprising a computer housing, characterized in that: the left side of computer casing set up the preformed hole, the holistic periphery that first USB socket, second USB socket and connecting block are constituteed cooperates with the inner wall sliding contact of the preformed hole on the computer casing, the same first rack of right side fixed connection of second USB socket, first piston, the rack tooth of the first rack on second USB socket right side is down and can cooperate with first gear engagement, second USB socket passes through circuit connection with the second plug. The invention provides a computer interface safety device which can prevent a thief from stealing computer data through a computer interface, can give an alarm when the thief steals, can induce the thief to trigger an alarm device, can well prevent dust and protect the computer interface, delays the aging of the interface and prolongs the service life of the interface.

Description

Computer interface safety device for preventing computer data from being stolen

Technical Field

The invention belongs to the field of computer interfaces, and particularly relates to a computer interface safety device for preventing computer data from being stolen.

Background

In enterprises, companies, factories and other places, it is necessary to make anti-theft measures for important data, in order to avoid data theft, people often fix computers in machine rooms, and further reinforce the shells of the computers to avoid the theft of internal hard disks, therefore, the copying of data by inserting a USB flash disk through a computer interface becomes a common habit of thieves, therefore, it becomes necessary to prevent the data theft of the thieves through the computer interface, meanwhile, because the interior of the computer interface is easy to enter dust to influence normal use, and because of long-time exposure in the external environment, the computer interface is easy to be oxidized to cause rusting, and after the shells of the computers are further reinforced, the computer interface is difficult to be replaced, thus, the invention provides a computer interface safety device for preventing the theft of computer data.

Disclosure of Invention

The invention provides a computer interface security device for preventing computer data from being stolen, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

computer interface security device for preventing computer data from being stolen, comprising a computer housing, characterized in that: the left side of the computer shell is provided with a preformed hole, the preformed hole is circular, a transverse plate is fixedly installed on the rear side of the inner wall of the computer shell, the top surface of the transverse plate is fixedly connected with the right side of the bottom surface of the periphery of a first piston tube, the right side of the first piston tube is closed, a computer interface penetrates through the right side of the first piston tube and is positioned in the first piston tube, the first piston tube is fixedly connected with the computer interface, a first piston is installed in the first piston tube in a sliding fit manner, a first rack is fixedly installed on the left side of the first piston, the left side of the first rack penetrates through the preformed hole of the computer shell and is positioned on the left side of the computer shell, the left side of the first rack is fixedly connected with a first USB socket, the upper side and the lower side of the first USB socket are respectively and fixedly provided with a conductive contact, the front side of the first rack is fixedly provided with a wireless signal transmitter, the right side of the, the conductive contacts on the upper side and the lower side are connected with a wireless signal transmitter through circuits, a lead of a first plug passes through the interior of a first piston and is connected with the wireless signal transmitter through a circuit, a first gear is arranged above a first rack and can be meshed and matched with the first rack, the rear side of the first gear is fixedly connected with the front side of a coaxial second gear through a rotating shaft, a rear side bearing of the second gear is connected with the rear side of the inner wall of the computer shell, a second rack is arranged on the right side of the second gear and is meshed and matched with the second gear, the upper end of the second rack is fixedly connected with the lower end of a telescopic rod, the upper end of the telescopic rod is fixedly connected with the top surface of the inner wall of the computer shell, a second piston tube is fixedly arranged on the right side of the top surface of the first piston tube, a second piston is arranged in the second piston tube in a sliding fit manner, and a third piston tube fixedly connected with, the bottom surface of a third piston tube is communicated with the inside of a first piston tube, a third piston is arranged in the third piston tube in a sliding fit manner, a first through hole is formed in one side of the periphery of the third piston tube, a first external threaded tube is arranged on a middle bearing of the top surface of the third piston tube, a first nut is arranged on the periphery of the first external threaded tube in a threaded manner, the top surface of the first nut is fixedly connected with the top surface of the third piston tube, the first external threaded tube is an outer circle inner square tube, a first square rod is movably arranged in the first external threaded tube, a second through hole is formed in the middle of the top surface of a second piston, the middle of the periphery of the first square rod is connected with the inner wall of the second through hole through a sealing bearing, the outer circle inner square tube is sleeved on the upper part of the periphery of the first square rod, a mounting hole is formed in the top surface of a computer shell, the top side of the periphery of, the periphery of the inner hexagon nut is matched with the inner wall of the mounting hole in a sliding contact manner, the peripheral bearing of the second square rod is provided with a coaxial shaft sleeve, the upper side on the right side of the second rack is fixedly connected with the left end of the L-shaped rod cross rod, the lower end of the L-shaped rod vertical rod is fixedly connected with the left side of the periphery of the shaft sleeve, the periphery of the first USB socket is fixedly provided with a connecting block, a second USB socket is arranged below the first USB socket, the periphery of the whole body formed by the first USB socket, the second USB socket and the connecting block is matched with the inner wall of the preformed hole on the computer shell in a sliding contact manner, and the right side of the second USB socket is fixedly connected with the same, the rack teeth of the first rack on the right side of the second USB socket are downward and can be meshed with the first gear in a matched mode, the second plug is fixedly installed on the right side of the first piston on the right side of the second USB socket, and the second USB socket is connected with the second plug through a circuit.

The computer interface safety device for preventing the computer data from being stolen comprises a storage battery fixedly arranged on the front side of the first rack, a first plug and a wireless signal transmitter are connected through a storage battery circuit, and the first plug and the storage battery are connected in parallel.

According to the computer interface safety device for preventing the computer data from being stolen, the air pressure sensor is fixedly arranged in the first piston pipe, the controller and the alarm are fixedly arranged on the right side of the transverse plate, the output end of the air pressure sensor is connected with the input end of the controller through a circuit, and the output end of the controller is connected with the input end of the alarm through a circuit.

The computer interface safety device for preventing the computer data from being stolen comprises a transverse plate, a sleeve, a connecting block, a transverse groove, a baffle plate, a fixing groove and a fixing groove, wherein the sleeve is fixedly arranged on the left side of the transverse plate, the right side of the connecting block is fixedly connected with one end of a polished rod, the periphery of the polished rod is in clearance fit with the inner wall of the sleeve, the upper side and the lower side of the periphery of the polished rod are respectively provided with the transverse grooves, the right end of each transverse groove is respectively communicated with the right side of the middle part of the other transverse groove through the inclined groove, one side of the right side of the middle part of the inner wall of the transverse groove is respectively hinged with one side of the baffle plate through a torsion spring, the other side of the baffle plate is in contact fit with the other side of the middle part of the inner wall of the transverse groove, the inclination angle of the baffle plate is the same as, the right side bearing connecting spring's of third rack one end, the other end of spring and the left side fixed connection of diaphragm, the right side of sleeve pipe periphery top surface is seted up and is passed through the groove, the front side that passes through the one-way bearing connection incomplete gear of front side of inslot wall, the periphery of incomplete gear only has half the gear tooth, incomplete gear only can anticlockwise motion under the effect of one-way bearing, the rear side of incomplete gear passes through one-way bearing and connects the third gear, the third gear when anticlockwise rotation with incomplete gear relatively fixed, the third gear can cooperate with third rack toothing, the bottom surface fixed mounting spring beam of first piston pipe, the lower extreme fixed mounting fourth rack of spring beam, the fourth rack can cooperate with incomplete gear toothing.

The computer interface safety device for preventing computer data from being stolen as described above, the left side of the second piston tube is provided with the fourth piston tube fixedly installed on the top surface of the first piston tube, the bottom surface of the fourth piston tube is communicated with the inside of the first piston tube, the fourth piston is movably installed in the fourth piston tube, the bottom surface of the fourth piston is fixedly installed with the wedge block, the lower end of the wedge block can extend into the rack teeth of the first rack, the top surface bearing of the fourth piston is installed with the second external thread tube, the outer periphery of the second external thread tube is installed with the second nut, the bottom surface of the second nut is fixedly connected with the top surface of the fourth piston tube, the second external thread tube is an inner square tube, the second external thread tube is movably installed with the third square rod, the top surface of the third square rod is fixedly connected with the bottom surface of the fourth gear, the top surface of the fourth gear is connected with the top surface bearing of the inner wall of the computer shell, the outer periphery of the inner square tube is fixedly installed with, the fifth gear is meshed with the fourth gear.

The computer interface safety device for preventing the computer data from being stolen comprises a computer shell, a plurality of counter bores are formed in the top surface of the computer shell, inner hexagon screws are respectively installed in the counter bores in a threaded mode, and the top surfaces of the inner hexagon screws and the top surfaces of the inner hexagon nuts are the same in shape.

The invention has the advantages that: the invention provides a computer interface safety device which can prevent a thief from stealing computer data through a computer interface, can give an alarm when the thief steals, can induce the thief to trigger an alarm device, can well prevent dust and protect the computer interface, delays the aging of the interface and prolongs the service life of the interface. When the connector is used, a first plug, a first piston, a first rack and a first USB socket on the upper side form a false adapter, a second plug, a first piston, a first rack and a second USB socket on the lower side form a true adapter, and the first plug, the first piston, the first rack and the second USB socket are combined together through a connecting block to form an integrated true and false adapter; when the anti-theft device is used for preventing theft, a first piston on the false adapter port is inserted rightwards aiming at a first piston tube, a corresponding first rack is meshed and matched with a first gear to drive the first gear to rotate, further drive a second gear to rotate, drive a second rack to ascend, drive a second piston to ascend through an L-shaped rod and a shaft sleeve, air in the first piston tube is pumped into a second piston tube through a first through hole, so that the oxygen content in the first piston tube is reduced, the aging speed caused by computer interface oxidation is reduced, when a first plug is spliced and matched with a computer interface, an inner hexagonal hole nut is rotated to drive an outer round inner square tube, a second square rod, a second piston, a first square rod and a first outer threaded tube to rotate, the first outer threaded tube rotates in the first nut and moves downwards to drive a third piston to move downwards to block the first through hole, so that the first piston tube is kept closed, the first plug is in plug fit with the computer interface, when a thief inserts the USB flash disk into the first USB socket, the periphery of the USB flash disk socket is made of metal and can conduct electricity, so that the conductive contact and the wireless signal transmitter are conducted in a circuit under the power supply state of the first plug, the conductive contact, the wireless signal transmitter, the first plug and the computer form a closed loop, the wireless signal transmitter sends out an alarm signal to inform personnel to capture the thief, the thief is induced to insert the USB flash disk through the first USB socket, the alarm function can be provided by triggering the wireless signal transmitter, and even if the thief inserts the USB flash disk into the second USB socket, the thief still tries to insert the USB flash disk into the first USB socket to trigger the alarm device when data cannot be stolen; when the USB socket needs to be normally used, the hexagon socket cap nut rotates reversely, the third piston moves upwards and does not block the first through hole any more, the true and false adapter port can naturally move leftwards to be ejected under the action of atmospheric pressure, the USB socket is turned over at the moment, the adapter of the computer interface can be completed by repeating the insertion process, the USB flash disk can be used by being inserted into the second USB socket, the USB socket can enable a thief to insert the USB flash disk into the USB socket through the true adapter port and the false adapter port, the thief cannot steal data, and the thief actively triggers the alarm device through the false adapter port, so that the thief can timely discover and catch the thief, and the computer interface can be prevented from being directly exposed to the outside and aging is caused by the first piston pipe, the second piston pipe and the third piston pipe.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of a cross-sectional view taken along line A-A of FIG. 1; FIG. 3 is an enlarged view of section I of FIG. 1; FIG. 4 is an enlarged view of the view of FIG. 3 taken along line B; FIG. 5 is an enlarged view of a portion II of FIG. 1; fig. 6 is a partial circuit connection diagram of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Computer interface security device for preventing computer data theft, as shown in the figure, comprising a computer housing 1, characterized in that: the left side of the computer shell 1 is provided with a preformed hole, the preformed hole is circular, the rear side of the inner wall of the computer shell 1 is fixedly provided with a transverse plate 2, the top surface of the transverse plate 2 is fixedly connected with the right side of the bottom surface of the periphery of a first piston tube 3, the right side of the first piston tube 3 is closed, a computer interface 9 passes through the right side of the first piston tube 3 and is positioned in the first piston tube 3, the first piston tube 3 is fixedly connected with the computer interface 9, a first piston 4 is arranged in the first piston tube 3 in a sliding fit manner, the left side of the first piston 4 is fixedly provided with a first rack 5, the top surface of the first rack 5 is an arc tooth surface, the left side of the first rack 5 passes through the preformed hole of the computer shell 1 and is positioned at the left side of the computer shell 1, the left side of the first rack 5 is fixedly connected with a first USB socket 6, the upper side and the lower side of the first USB socket 6 are respectively and fixedly provided with a conductive contact, a first plug 10 is fixedly arranged on the right side of the first piston 4, the first plug 10 can be connected with a computer interface 9 through a circuit, conductive contacts 7 on the upper side and the lower side are connected with a wireless signal transmitter 8 through a circuit, a lead of the first plug 10 passes through the inside of the first piston 4 and is connected with the wireless signal transmitter 8 through a circuit, a first gear 11 is arranged above the first rack 5, the first gear 11 can be meshed and matched with the first rack 5, the rear side of the first gear 11 is fixedly connected with the front side of a coaxial second gear 12 through a rotating shaft, the rear side of the second gear 12 is in bearing connection with the rear side of the inner wall of the computer shell 1, a second rack 13 is arranged on the right side of the second gear 12, the second rack 13 is meshed and matched with the second gear 12, the upper end of the second rack 13 is fixedly connected with the lower end of a telescopic rod 14, and the upper end of the telescopic rod 14 is fixedly connected with the, a second piston tube 15 is fixedly arranged on the right side of the top surface of the first piston tube 3, a second piston 16 is arranged in the second piston tube 15 in a sliding fit manner, a third piston tube 17 fixedly connected with the top surface of the first piston tube 3 is arranged in the second piston tube 15, the bottom surface of the third piston tube 17 is communicated with the interior of the first piston tube 3, a third piston 18 is arranged in the third piston tube 17 in a sliding fit manner, a first through hole 19 is arranged on one side of the periphery of the third piston tube 17, a first external threaded tube 20 is arranged on the middle part of the top surface of the third piston 18 in a bearing manner, a first nut 21 is arranged on the periphery of the first external threaded tube 20 in a threaded manner, the top surface of the first nut 21 is fixedly connected with the top surface of the third piston tube 17, the first external threaded tube 20 is an outer round inner square tube, a first square tube 22 is movably arranged in the interior of the first external threaded tube 20, a second through hole 23 is arranged in the middle part of the top surface of the second piston tube 16, and the, an outer circle inner square pipe 24 is sleeved on the upper portion of the periphery of a first square rod 22, a mounting hole 25 is formed in the top surface of a computer shell 1, the top side of the periphery of the outer circle inner square pipe 24 is connected with a lower side bearing of the inner wall of the mounting hole 25, an inner hexagonal nut 26 is fixedly mounted on the top surface of the outer circle inner square pipe 24, the periphery of the inner hexagonal nut 26 is matched with the inner wall of the mounting hole 25 in a sliding contact mode, a coaxial shaft sleeve 27 is mounted on the periphery bearing of a second square rod 23, the upper side of the right side of a second rack is fixedly connected with the left end of a cross rod of an L-shaped rod 59, the lower end of a vertical rod of the L-shaped rod 59 is fixedly connected with the left side of the periphery of the shaft sleeve 27, a connecting block 28 is fixedly mounted on the periphery of the first USB socket 6, a second USB socket 29 fixedly mounted on the connecting block 28 is arranged below the first USB socket, the right side of the second USB socket 29 is fixedly connected with the same first rack 5, the bottom surface of the first rack 5 on the right side of the second USB socket 29 is an arc-shaped tooth surface and a first piston 4, the rack teeth of the first rack 5 on the right side of the second USB socket 29 are downward and can be meshed with the first gear 11, the right side of the first piston 4 on the right side of the second USB socket 29 is fixedly provided with a second plug 30, and the second USB socket 29 is connected with the second plug 30 through a circuit. The invention provides a computer interface safety device which can prevent a thief from stealing computer data through a computer interface, can give an alarm when the thief steals, can induce the thief to trigger an alarm device, can well prevent dust and protect the computer interface, delays the aging of the interface and prolongs the service life of the interface. When the plug is used, the first plug 10, the first piston 4, the first rack 5 and the first USB socket 6 on the upper side in the application form a false adapter, the second plug 30, the first piston 4, the first rack 5 and the second USB socket 29 on the lower side form a true adapter, and the first plug, the first piston 4, the first rack 5 and the second USB socket are combined together through the connecting block 28 to form an integrated true and false adapter; when the anti-theft device is used for preventing theft, a first piston 4 on a false adapter is inserted rightwards aiming at a first piston tube 3, meanwhile, a corresponding first rack 5 is meshed and matched with a first gear 11 to drive the first gear 11 to rotate, further drive a second gear 12 to rotate, drive a second rack 13 to ascend, drive a second piston 16 to ascend through an L-shaped rod 59 and a shaft sleeve 27, air in the first piston tube 3 is pumped into a second piston tube 16 through a first through hole 19, so that the oxygen content in the first piston tube 3 is reduced, the aging speed caused by oxidation of a computer interface 9 is reduced, when a first plug 10 is in plug-in and matched with the computer interface 9, an inner hexagonal hole nut 26 is rotated to drive an outer circle inner square tube 24, a second square rod 23, the second piston 16, a first square rod 22 and a first outer threaded tube 20 to rotate, the first outer threaded tube 20 rotates in the first nut 21 and moves downwards to drive a third piston 18 to move downwards to block the first through hole 19, the first piston tube 3 is kept closed, and since the first plug 10 is plug-fitted to the computer interface 9, when a thief inserts the USB flash disk into the first USB socket 6, the periphery of the USB flash disk socket is made of metal and can conduct electricity, so that the conductive contact 7 and the wireless signal transmitter 8 are conducted in a circuit under the power supply state of the first plug 10, the conductive contact 7, the wireless signal transmitter 8, the first plug 10 and the calculating and connecting section 9 form a closed loop, the wireless signal transmitter 8 sends out an alarm signal to inform personnel to arrest the thief, the thief is induced to insert the USB disk through the first USB socket 6, and the triggering of the wireless signal transmitter 8 can provide a warning effect, and even if the thief inserts the USB disk into the second USB socket 29, when data cannot be stolen, the USB flash disk is still tried to be inserted into the first USB socket 6 to trigger an alarm device; when the USB flash disk anti-theft device is required to be normally used, the hexagon socket head cap nut 26 is rotated reversely, the third piston 18 moves upwards and does not block the first through hole 19 any more, the real and false adapter port naturally moves leftwards and pops up under the action of atmospheric pressure, the USB flash disk is turned over by 180 degrees at the moment, the adapter of the computer interface 9 can be completed by repeating the insertion process, and the USB flash disk can be used by being inserted into the second USB socket 29.

Specifically, as shown in the drawing, a battery 31 is fixedly mounted on the front side of the first rack 5 according to the present embodiment, the first plug 10 and the wireless signal transmitter 8 are electrically connected through the battery 31, and the first plug 10 and the battery are connected in parallel. Through the storage battery 31, when the first plug 10 is not in plug-in fit with the computer interface 9, power can be supplied, so that the wireless signal transmitter 8 can give an alarm in time.

Specifically, as shown in the figure, in the embodiment, the air pressure sensor 32 is fixedly installed in the first piston tube 3, the controller 33 and the alarm 34 are fixedly installed on the right side of the transverse plate 2, the output end of the air pressure sensor 32 is connected with the input end of the controller 33 through a circuit, and the output end of the controller 33 is connected with the input end of the alarm 34 through a circuit. When a thief directly chooses to pull out the first USB socket 6, because the first piston tube 3 is sealed at this time, the first piston 4 moves to the left, which causes the pressure inside the first piston tube 3 to continuously decrease, the air pressure sensor 32 detects the pressure inside the first piston tube 3, and when the pressure is smaller than the rated value of the air pressure sensor 32, the air pressure sensor 32 transmits a signal to the controller 33, and the controller 33 controls the alarm 34 to give an alarm.

Further, as shown in the figure, the casing 35 is fixedly installed on the left side of the transverse plate 2, the right side of the connecting block 28 is fixedly connected to one end of the polish rod 36, the outer periphery of the polish rod 36 is in clearance fit with the inner wall of the casing 35, the upper and lower sides of the outer periphery of the polish rod 36 are respectively provided with the transverse grooves 37, the right end of each transverse groove 37 is respectively communicated with the right side of the middle of the other transverse groove 37 through the inclined groove 38, one side of the right side of the middle of the inner wall of the transverse groove 37 is hinged to one side of the baffle 39 through the torsion spring, the other side of the baffle 39 is in contact fit with the other side of the right side of the middle of the inner wall of the transverse groove 37, the inclined angle of the baffle 39 is the same as that of the inclined groove 38, the top surface of the left side of the inner wall of the casing 35 is fixedly installed with the stopper 40, fixing grooves 42 are formed in the front side and the rear side of the left side of a third rack 41, a right side bearing of the third rack 41 is connected with one end of a spring 43, the other end of the spring 43 is fixedly connected with the left side of the transverse plate 2, a through groove 44 is formed in the right side of the top surface of the periphery of the sleeve 35, the front side of the inner wall of the through groove 44 is connected with the front side of an incomplete gear 45 through a one-way bearing, only half of the periphery of the incomplete gear 45 is provided with gear teeth, the incomplete gear 45 can only move anticlockwise under the action of the one-way bearing, the rear side of the incomplete gear 45 is connected with a third gear 46 through the one-way bearing, the third gear 46 is relatively fixed with the incomplete gear 45 during anticlockwise rotation, the third gear 46 can be meshed with the third rack 41, a spring rod 47 is fixedly installed on the bottom surface of the first piston pipe 3, a fourth rack 48. Screwing the inner hexagonal nut 26 to enable the third piston 18 to move upwards, enabling the first piston pipe 3 to be communicated with the second piston pipe 15, pressing the connecting block 28 rightwards, because the incomplete gear 45 is connected with the front side of the inner wall of the through groove 44 through the one-way bearing, the third gear 46 is connected with the rear side of the incomplete gear 45 through the one-way bearing, when the third rack 41 is meshed with the third gear 46 to move rightwards in a matched mode, the third gear 46 rotates anticlockwise, the third gear 46 is locked with the incomplete gear 45, the incomplete gear 45 can rotate anticlockwise, when the third rack 41 moves leftwards, the third gear 46 is driven to rotate clockwise, the third gear 46 is connected with the incomplete gear 45 through the bearing, the incomplete gear 45 is locked with the through groove 44, the incomplete gear 45 is static, and when the incomplete gear 45 rotates anticlockwise and is meshed with the fourth rack 48 to move downwards, the fourth rack 48 can be positioned in the fixed groove 42, when the incomplete gear 45 is not meshed with the fourth rack 48, the fourth rack 48 rises under the pulling force of the spring rod 47 and is not contacted with the inner wall of the fixed groove 42 any more, the baffle 39 can only rotate leftwards along the hinge shaft, when the polish rod 36 moves rightwards and the stop 40 moves leftwards relative to the transverse groove 37, the baffle 39 can be stirred leftwards to rotate the baffle 39, when the polish rod 36 moves leftwards and the stop 40 moves rightwards relative to the transverse groove 37, the stop 40 enters the inclined groove 38 to drive the polish rod 36 and the connecting block 28 to rotate 180 degrees, the reversing of the true and false adapter interface can be completed, the connecting block 28 is pushed rightwards, the fourth rack 48 moves downwards to complete the fixing of the position of the third rack 41, the second plug 30 is just spliced with the computer interface 6, and the USB plug can be inserted into the second USB socket for normal use, the connecting block 28 continues to be pressed until the incomplete gear 45 is not meshed with the fourth rack 48 any more, the fourth rack 48 rises, the true and false adapter is pushed out leftwards under the action of the spring and the reversing is completed, the reversing can be performed by pressing the connecting block when the connecting block is used through the structure, and the true and false adapter is convenient to convert.

Furthermore, as shown in the drawing, the left side of the second piston tube 15 according to the embodiment is provided with a fourth piston tube 49 fixedly installed on the top surface of the first piston tube 3, the bottom surface of the fourth piston tube 49 is communicated with the inside of the first piston tube 3, a fourth piston 50 is movably installed in the fourth piston tube 49, a wedge block 51 is fixedly installed on the bottom surface of the fourth piston 50, the lower end of the wedge block 51 can extend into the rack teeth of the first rack 5, a second external thread tube 52 is installed on the top surface of the fourth piston 50 in a bearing manner, a second nut 53 is installed on the outer periphery of the second external thread tube 52 in a threaded manner, the bottom surface of the second nut 53 is fixedly connected with the top surface of the fourth piston tube 50, the second external thread tube 52 is an internal tube, a third rod 54 is movably installed in the second external thread tube 52, the top surface of the third rod 54 is fixedly connected with the bottom surface of the fourth gear 55, the top surface of the fourth gear 55 is connected with the top, the outer circumference of the outer round inner square tube 24 is fixedly provided with a coaxial fifth gear 56, and the fifth gear 56 is meshed and matched with the fourth gear 55. When rotating hexagon socket head cap nut 26, when sealing first piston tube 3 inside, excircle inside pipe 24 rotates and drives fifth gear 56 and rotate, and then drives fourth gear 55, third square rod 54 and second external screw pipe 52, and second external screw pipe 52 rotates and moves downwards in second nut 53, and the lower extreme of wedge 51 can stretch into in the rack tooth of first rack 5 and fix first rack 5, perhaps the thief directly can extract true and false switching mouth during the avoiding use.

Furthermore, as shown in the drawings, the top surface of the computer casing 1 according to the embodiment is provided with a plurality of counter bores 57, and the counter bores 57 are respectively provided with socket head cap screws 58 in a threaded manner, and the top surfaces of the socket head cap screws 58 and the socket head cap nuts 26 have the same shape. The hexagon socket head cap nut 26 can be disguised through the hexagon socket head cap screw 58, so that a thief cannot think that the hexagon socket head cap nut 26 needs to be rotated to pull out a true or false adapter, even if the hexagon socket head cap nut is pulled out forcibly, the alarm 34 alarms because the air pressure in the first piston pipe 3 is reduced, and the possibility that computer data is stolen is reduced.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. Computer interface security device for preventing computer data theft, comprising a computer housing (1), characterized in that: the computer is characterized in that a preformed hole is formed in the left side of the computer shell (1), the preformed hole is circular, a transverse plate (2) is fixedly installed on the rear side of the inner wall of the computer shell (1), the top surface of the transverse plate (2) is fixedly connected with the right side of the bottom surface of the periphery of a first piston tube (3), the right side of the first piston tube (3) is sealed, a computer interface (9) penetrates through the right side of the first piston tube (3) and is located inside the first piston tube (3), the first piston tube (3) is fixedly connected with the computer interface (9), a first piston (4) is installed inside the first piston tube (3) in a sliding fit manner, a first rack (5) is fixedly installed on the left side of the first piston (4), the left side of the first rack (5) penetrates through the preformed hole of the computer shell (1) and is located on the left side of the computer shell (1), and a first USB socket (6) is fixedly connected with the left side of, the upper side and the lower side of a first USB socket (6) are respectively and fixedly provided with a conductive contact (7), the front side of a first rack (5) is fixedly provided with a wireless signal emitter (8), the right side of a first piston (4) is fixedly provided with a first plug (10), the first plug (10) can be connected with a computer interface (9) through a circuit, the conductive contacts (7) on the upper side and the lower side are both connected with the wireless signal emitter (8) through a circuit, a lead of the first plug (10) passes through the inside of the first piston (4) and is connected with the wireless signal emitter (8) through a circuit, a first gear (11) is arranged above the first rack (5), the first gear (11) can be meshed and matched with the first rack (5), the rear side of the first gear (11) is fixedly connected with the front side of a coaxial second gear (12) through a rotating shaft, the rear bearing of the second gear (12) is connected with the rear side of the inner wall of a computer shell (1), a second rack (13) is arranged on the right side of the second gear (12), the second rack (13) is meshed and matched with the second gear (12), the upper end of the second rack (13) is fixedly connected with the lower end of a telescopic rod (14), the upper end of the telescopic rod (14) is fixedly connected with the top surface of the inner wall of the computer shell (1), a second piston pipe (15) is fixedly installed on the right side of the top surface of the first piston pipe (3), a second piston (16) is installed in the second piston pipe (15) in a sliding and matching manner, a third piston pipe (17) fixedly connected with the top surface of the first piston pipe (3) is arranged in the second piston pipe (15), the bottom surface of the third piston pipe (17) is communicated with the inside of the first piston pipe (3), a third piston (18) is installed in the third piston pipe (17) in a sliding and matching manner, a first through hole (19) is formed in one side of the periphery of the third piston pipe (17), and a first external threaded pipe (20) is installed in the middle, a first nut (21) is installed on the periphery of a first external threaded pipe (20) in a threaded mode, the top surface of the first nut (21) is fixedly connected with the top surface of a third piston pipe (17), the first external threaded pipe (20) is an outer circle inner square pipe, a first square rod (22) is movably installed inside the first external threaded pipe (20), a second through hole (23) is formed in the middle of the top surface of a second piston (16), the middle of the periphery of the first square rod (22) is connected with the inner wall of the second through hole (23) through a sealing bearing, the outer circle inner square pipe (24) is sleeved on the upper portion of the periphery of the first square rod (22), an installation hole (25) is formed in the top surface of a computer shell (1), the top side of the periphery of the outer circle inner square pipe (24) is connected with a lower side bearing of the inner wall of the installation hole (25), an inner hexagon nut (26) is fixedly installed on the top surface of the outer circle inner hexagon nut (24), and the periphery of the inner, a coaxial shaft sleeve (27) is arranged on the peripheral bearing of a second square rod (23), the upper side of the right side of a second rack is fixedly connected with the left end of a cross rod of an L-shaped rod (59), the lower end of a vertical rod of the L-shaped rod (59) is fixedly connected with the left side of the periphery of the shaft sleeve (27), a connecting block (28) is fixedly arranged on the periphery of a first USB socket (6), a second USB socket (29) which is fixedly arranged on the connecting block (28) is arranged below the first USB socket (6), the periphery of the whole body formed by the first USB socket (6), the second USB socket (29) and the connecting block (28) is matched with the inner wall of a reserved hole on a computer shell (1) in a sliding contact manner, the right side of the second USB socket (29) is fixedly connected with a first rack (5) and a first piston (4) which are the same, rack teeth of the first rack (5) on the right side of the second USB socket (29) are downward, a second plug (30) is fixedly arranged on the right side of the first piston (4) on the right side of the second USB socket (29), and the second USB socket (29) is connected with the second plug (30) through a circuit.

2. The computer interface security apparatus for preventing theft of computer data of claim 1, wherein: the front side of the first rack (5) is fixedly provided with a storage battery (31), the first plug (10) is in circuit connection with the wireless signal transmitter (8) through the storage battery (31), and the first plug (10) is connected with the storage battery in parallel.

3. The computer interface security apparatus for preventing theft of computer data of claim 1, wherein: the air pressure sensor (32) is fixedly installed in the first piston tube (3), the controller (33) and the alarm (34) are fixedly installed on the right side of the transverse plate (2), the output end of the air pressure sensor (32) is connected with the input end of the controller (33) through a circuit, and the output end of the controller (33) is connected with the input end of the alarm (34) through a circuit.

4. The computer interface security apparatus for preventing theft of computer data of claim 1, wherein: the left side of the transverse plate (2) is fixedly provided with a sleeve (35), the right side of the connecting block (28) is fixedly connected with one end of a polished rod (36), the periphery of the polished rod (36) is in clearance fit with the inner wall of the sleeve (35), the upper side and the lower side of the periphery of the polished rod (36) are respectively provided with a transverse groove (37), the right end of each transverse groove (37) is respectively communicated with the right side of the middle part of the other transverse groove (37) through a chute (38), one side of the right side of the middle part of the inner wall of each transverse groove (37) is respectively hinged with one side of a baffle (39) through a torsion spring, the other side of the baffle (39) is in contact fit with the other side of the right side of the middle part of the inner wall of each transverse groove (37), the inclination angle of each baffle (39) is the same as that of the chute (38), the top surface on the, a third rack (41) is fixedly arranged at the right end of the polish rod (36), rack teeth of the third rack (41) are only positioned at the rear side of the top surface of the third rack (41), fixing grooves (42) are formed in the front side and the rear side of the left side of the third rack (41), a right side bearing of the third rack (41) is connected with one end of a spring (43), the other end of the spring (43) is fixedly connected with the left side of the transverse plate (2), a through groove (44) is formed in the right side of the top surface of the periphery of the sleeve (35), the front side of the inner wall of the through groove (44) is connected with the front side of the incomplete gear (45) through a one-way bearing, only half of the periphery of the incomplete gear (45) is provided with gear teeth, the incomplete gear (45) can only move anticlockwise under the action of the one-way bearing, the rear side of the incomplete gear (45) is connected with a third gear (46) through the, the third gear (46) can be meshed and matched with the third rack (41), the spring rod (47) is fixedly installed on the bottom surface of the first piston pipe (3), the fourth rack (48) is fixedly installed at the lower end of the spring rod (47), and the fourth rack (48) can be meshed and matched with the incomplete gear (45).

5. The computer interface security apparatus for preventing theft of computer data of claim 1, wherein: the left side of the second piston pipe (15) is provided with a fourth piston pipe (49) fixedly arranged on the top surface of the first piston pipe (3), the bottom surface of the fourth piston pipe (49) is communicated with the inside of the first piston pipe (3), a fourth piston (50) is movably arranged in the fourth piston pipe (49), a wedge block (51) is fixedly arranged on the bottom surface of the fourth piston (50), the lower end of the wedge block (51) can extend into rack teeth of the first rack (5), a second external thread pipe (52) is arranged on a top surface bearing of the fourth piston (50), a second nut (53) is arranged on the outer periphery of the second external thread pipe (52) in a threaded manner, the bottom surface of the second nut (53) is fixedly connected with the top surface of the fourth piston pipe (50), the second external thread pipe (52) is an internal square pipe, a third square rod (54) is movably arranged in the second external thread pipe (52), and the top surface of the third square rod (54) is fixedly connected with the bottom surface of a fourth gear (55), the top surface of the fourth gear (55) is connected with the top surface bearing of the inner wall of the computer shell (1), a coaxial fifth gear (56) is fixedly installed on the periphery of the outer circle inner square tube (24), and the fifth gear (56) is meshed with the fourth gear (55).

6. The computer interface security apparatus for preventing computer data theft of claim 1, 3 or 5, wherein: the top surface of the computer shell (1) is provided with a plurality of counter bores (57), the counter bores (57) are internally provided with inner hexagonal screws (58) in a threaded mode respectively, and the top surfaces of the inner hexagonal screws (58) are the same as the top surfaces of the inner hexagonal nuts (26) in shape.