CN111666610A - Encryption type USB interface component for constructing encrypted data secure transmission channel - Google Patents

Abstract

The invention provides an encryption type USB interface component for constructing an encrypted data safety transmission channel, which comprises a fixed shell fixedly connected with a computer, an electronic password switch arranged in the fixed shell, a data lead, a trigger mechanism and a limit locking mechanism, wherein the electronic password switch is used for controlling the on-off of the data lead, the trigger mechanism can slide left and right and trigger the electronic password switch to be opened, the limit locking mechanism is used for restricting the left and right sliding of the trigger mechanism, the electronic password switch comprises a first electronic password switch and a second electronic password switch, the logic of the opening of the first electronic password switch is that the number of times of pressing a contact is X, the logic of the opening of the second electronic password switch is that the number of times of pressing the contact is Y, X and Y are integers larger than zero, and an encoder fixedly connected with the fixed shell is arranged between the first electronic password switch and the second electronic password switch, the encoder can perform set encoding on the X and Y values.

Description

Encryption type USB interface component for constructing encrypted data secure transmission channel

Technical Field

The invention relates to the technical field of data encryption transmission, in particular to an encryption type USB interface component for constructing an encrypted data secure transmission channel.

Background

At present, a computer is often connected with other mobile electronic devices through a data line, wherein one end of the data line is connected and matched with a USB port of the computer, the other end of the data line is connected and matched with a Micro-USB or a type-C of the mobile electronic device, and data interaction between the computer and the mobile electronic device is realized through the connection of the data line. At present, if a USB port has an encryption function, it can only be encrypted by encoding in a software manner, and the USB port has disadvantages of being easy to break, and the encoded binary code is easy to be tampered by an attacker, which has a certain potential risk.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide an electronic password switch USB interface component which is ingenious and compact in structure and takes mechanical hardware as an encryption basis, and aims to solve the technical problem that data leakage is easily caused when a common USB port does not have an encryption function in the prior art.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The encryption type USB interface component for constructing the encrypted data safe conveying channel comprises a fixed shell (110) fixedly connected with a computer, an electronic password switch (120) arranged inside the fixed shell (110), a data wire, a trigger mechanism (130) and a limit locking mechanism (140), wherein the electronic password switch (120) is used for controlling the on-off of the data wire, the trigger mechanism (130) can slide left and right and trigger the electronic password switch (120) to be opened, and the limit locking mechanism (140) is used for restraining the left and right sliding of the trigger mechanism (130);

the fixed shell (110) is of a rectangular shell structure, one end of the fixed shell forms a butt joint port (111) which is in butt joint with the joint (200), the electronic password switch (120) is provided with two butt joint ports (111) which are arranged in bilateral symmetry along the opening direction of the butt joint port (111), namely the electronic password switch (120) comprises a first electronic password switch positioned on the left side in the fixed shell (110) and a second electronic password switch positioned on the right side in the fixed shell (110), the electronic password switch (120) is of a rectangular block structure, a floating switch contact (121) is arranged on one end face of the first electronic password switch and the end face of the second electronic password switch, which are mutually deviated from each other, the first electronic password switch is opened for X times when the contact (121) needs to be pressed, the second electronic password switch is opened for Y times when the contact (121) needs to be pressed, and both X and Y are integers larger than zero, the first electronic code switch and the second electronic code switch are arranged between the encoders (122) fixedly connected with the fixed shell (110), and the encoders (122) can set and encode the X and Y values.

As a further optimization or improvement of the present solution.

The data lead is provided with four hard ribs which are flat, the data lead comprises a first data lead (123) and a second data lead (124), one end of the first data lead (123) is connected with a computer, the other end of the first data lead penetrates into the encoder (122), one end of the second data lead (124) is embedded in the inner side wall of the fixed shell (110) and extends to the opening of the butt joint port (111), the other end of the second data lead penetrates into the encoder (122), the other end of the first data lead (123) and the other end of the second data lead (124) are connected in series through leads and an electronic password switch (120), wherein the first data lead (123) and the second data lead (124) are connected in series and the second data lead (124) are embedded in the left inner wall of the fixed shell (110) and extend to the opening of the butt joint port (111), the other two data wires I (123) are connected with the two wires II (124) and the second electronic code switch in series, and the two data wires II (124) are embedded in the opening of the right inner wall of the fixed shell (110) and extend to the butt joint port (111).

As a further optimization or improvement of the present solution.

The trigger mechanism (130) is provided with an encoder (122) and a butt joint port (1111), the trigger mechanism (130) comprises an installation frame (131) fixedly connected with the upper wall and the lower wall of the fixed shell (110), the length direction of the installation frame (131) is indicated by the left side wall of the fixed shell (110) to the right side wall, a rack (132) is movably arranged on the installation frame (131), the length direction of the rack (132) is the direction in which the left side wall of the fixed shell (110) is indicated by the right side wall, the rack (132) and the installation frame (131) form sliding guide fit along the length direction, the tooth surface of the rack (132) faces the butt joint port (111), the end position of the installation frame (131) along the length direction is fixedly arranged on the installation plates (134) which are arranged at intervals up and down, a warping plate (135) is rotatably arranged between the two installation plates (134) which are arranged up and down, the rotating shaft formed by the rotating connection position between the installation plate (134) and the warping plate (135, the axis of rotation between mounting panel (134) and wane (135) is located wane (135) along its length direction's middle part position, rack (132) are provided with ejector pin (133) and the fixed length direction that is parallel to rack (132) of the axial that is provided with ejector pin (133) and ejector pin (133) along its length direction's end position, and ejector pin (133) contact and this contact site of the medial surface of wane (135) is close to wane (135) and arranges along length direction's one end, and contact (121) contact and the medial surface of wane (135) and this contact site is close to wane (135) and arranges along length direction's the other end.

As a further optimization or improvement of the present solution.

The mounting frame (131) comprises a rectangular bottom plate (131 a), a rectangular top plate (131 c) and a bending plate (131 b) connected between the bottom plate (131 a) and the top plate (131 c), the bottom plate (131 a) and the top plate (131 c) are of plate body structures which are symmetrically arranged up and down and are fixedly connected with the bending plate (131 b) into a whole, the bending plate (131 b) is perpendicular to the bottom plate (131 a) and fixedly connected with one side of the bottom plate (131 a) departing from the butt joint port (111), the bending plate (131 b) is perpendicular to the top plate (131 c) and fixedly connected with one side of the top plate (131 c) departing from the butt joint port (111), the bottom plate (131 a), the bending plate (131 b) and the top plate (131 c) form a U-shaped structure with an opening facing the butt joint port (111), a rack (132) is movably mounted inside the U-shaped structure, guide chutes arranged along the length direction are formed in the upper end face of the bottom plate (131 a) and the lower end face of the top, the rack (132) and the guide runner form a sliding guide fit.

As a further optimization or improvement of the present solution.

The limiting locking mechanism (140) comprises rectangular vertically-arranged embedded blocks (141), the embedded blocks (141) are embedded in the middle of the back face of the rack (132) departing from the tooth surface of the rack, the embedded blocks (141) are flush with the back face of the rack (132) and are located between the bottom plate (131 a) and the top plate (131 c), a first locking assembly and a second locking assembly for locking the first embedded block and the second embedded block are arranged between the embedded blocks (141) and the bending plate (131 b), and the first locking assembly and the second locking assembly lock the embedded blocks (141) and the bending plate (131 b) in an initial state.

As a further optimization or improvement of the present solution.

The locking assembly I comprises a first circular inner cavity (142) which is arranged inside the rack (132) and is opposite to the inner embedded block (141), and a first circular locking hole (142 b) which is arranged on the bending plate (131 b) and is opposite to the inner cavity block (141), the axial direction of the first inner cavity (142) is arranged along the opening direction of the butt joint port (111), one end of the first inner cavity (142) departing from the inner embedded block (141) is coaxially provided with a first through hole (142 a) communicated with a tooth slot at the middle position of the rack (132), the first locking hole (142 b) and the first inner cavity (142) are coaxially arranged, the diameter of the first inner cavity (142) is larger than that of the first through hole (142 a) and the first locking hole (142 b), a first locking rod (144) is coaxially and movably arranged in the first inner cavity (142), and a first annular boss (144 a) is coaxially and fixedly sleeved on the first locking rod (144) along the middle position of the, the outer circular surface of the first boss (144 a) is attached to the inner circular surface of the first inner cavity (142), the first boss and the inner circular surface form sliding guide fit along the axial direction of the first inner cavity (142), and one end of the first lock rod (144) movably penetrates through a transition hole formed in the inner embedded block (141) and extends into the first lock hole (142 b) in the initial state.

As a further optimization or improvement of the present solution.

The outside activity cover of locking lever one (144) be equipped with locking spring one (146) and locking spring and (146) are located inner chamber one (142), locking spring one (146) one end is contradicted with inner chamber one (142) near the tip of through hole one (142 a), the other end is contradicted with boss one (144 a) and the elasticity of locking spring one (146) promotes boss one (144 a) all the time and slides towards inner chamber piece (141), it is provided with cylindricality magnetic head one (145) and locking lever one (144) fixed connection to slide in through hole one (142 a).

As a further optimization or improvement of the present solution.

The locking assembly II comprises a circular inner cavity II (143) which is arranged inside the rack (132) and is opposite to the embedded block (141), and a circular inner cavity III (143 b) which is arranged on the bending plate (131 b) and is opposite to the embedded block (141), the inner cavity II (143) and the inner cavity III (143 b) are coaxially arranged, the axial directions of the inner cavity II (143) and the inner cavity III (143 b) are both arranged along the opening direction of the butt joint port (111), one end, away from the inner cavity III (143 b), of the inner cavity II (143) is coaxially provided with a through hole II (143 a) communicated with a tooth slot at the middle position of the rack (132), one end, close to the inner cavity II (143), of the inner cavity III (143 b) is coaxially provided with a locking hole II (143 c), the diameter of the inner cavity II (143) is larger than that of the through hole II (143 a), the diameter of the inner cavity III (143 b) is larger than that of the locking hole II (143 c, the middle position of the lock rod II (147) in the length direction is coaxially and fixedly sleeved with an annular boss II (147 a), the outer circular surface of the boss II (147 a) is attached to the inner circular surface of the inner cavity II (143) and forms sliding guide fit along the axial direction of the inner cavity II (143), a lock rod III (147 c) is coaxially and movably arranged in the inner cavity III (143 b), one end, away from the inner embedded block (141), of the lock rod III (147 c) is coaxially and fixedly provided with a boss III (147 b), the outer circular surface of the boss III (147 b) is attached to the inner circular surface of the inner cavity III (143 b) and forms sliding guide fit along the axial direction of the inner cavity III (143 b), one end, away from the boss III (147 b), of the lock rod II (147) in an initial state is movably inserted into a transition hole formed in the inner embedded block (141), one end, away from the boss III (147 b), of the lock rod III (147 c) in an initial state is movably inserted into a transition hole formed in the inner embedded block (141), and the lock rod The transition holes are mutually inconsistent.

As a further optimization or improvement of the present solution.

A second locking spring (149 a) is movably sleeved outside the second locking rod (147), the second locking spring (149 a) is positioned in the second inner cavity (143), one end of the second locking spring (149 a) is abutted against the second boss (147 a), the other end of the second locking spring is abutted against the inner embedded block (141), and the second boss (147 a) is always pushed by the elastic force of the second locking spring (149 a) to slide away from the inner embedded block (141), a locking spring III (149 b) is movably arranged in the inner cavity III (143 b), one end of the locking spring III (149 b) is abutted against one end of the inner cavity III (143 b), the other end of the locking spring III (149 b) is abutted against the boss III (147 b), the elastic force of the locking spring III (149 b) always pushes the boss III (147 b) to slide towards the inner embedded block (141), a second cylindrical magnetic head (148) is arranged in the second through hole (143 a) in a sliding mode, and the second magnetic head (148) is fixedly connected with a second lock rod (147).

Compared with the prior art, the invention has the beneficial effects that:

1. the structure is ingenious and compact, mechanical hardware is used as an encryption basis, software encryption is abandoned, and the encryption performance is improved;

2. the method can carry out any coding, has strong encryption performance and is difficult to crack;

3. the transmission of confidential files can be effectively protected, and the confidential files are prevented from being leaked;

4. the plugging and the pulling are convenient and fast, and the use is easy.

Drawings

FIG. 1 is a schematic structural diagram of an initial state of the present invention.

FIG. 2 is a schematic structural diagram of the initial state of the present invention.

Fig. 3 is a schematic structural diagram of the working state of the present invention.

Fig. 4 is a schematic structural diagram of the working state of the present invention.

Fig. 5 is a schematic structural diagram of an interface.

Fig. 6 is a schematic diagram of the internal structure of the interface.

Fig. 7 is a schematic structural diagram of the electronic code switch and the trigger mechanism.

Fig. 8 is a diagram showing the combination of the electronic code switch and the data line.

Fig. 9 is a diagram showing the combination of the electronic code switch and the data line.

Fig. 10 is a matching view of the trigger mechanism and the electronic code switch.

Fig. 11 is a schematic structural view of the trigger mechanism.

Fig. 12 is a partial structural view of the trigger mechanism.

Fig. 13 is a view of the trigger mechanism in cooperation with the positive lock mechanism.

Fig. 14 is a partial schematic view of the limit lock mechanism.

Fig. 15 is a partial schematic view of the positive lock mechanism.

Fig. 16 is a partial schematic view of a limit lock mechanism.

Fig. 17 is a schematic structural view of the unlocked state of the limit lock mechanism.

Fig. 18 is a schematic view of the structure of the joint.

Fig. 19 is a schematic view of the internal structure of the joint.

Fig. 20 is a schematic structural view of the unlocking mechanism.

Fig. 21 is a diagram showing the arrangement of data conductors and mating conductors.

Fig. 22 is a matching view of the unlocking mechanism, the trigger mechanism and the limit locking mechanism.

Labeled as:

100. an interface; 110. a stationary case; 111. a butt joint port; 120. an electronic code switch; 121. a contact; 122. an encoder; 123. a first data conductor; 124. a second data conductor; 130. a trigger mechanism; 131. a mounting frame; 131a, a bottom plate; 131b and a bending plate; 131c, a top plate; 132. a rack; 133. a top rod; 134. mounting a plate; 135. a seesaw; 140, a limit locking mechanism; 141. an embedded block; 142. a first inner cavity; 142a, a first through hole; 142b, a first lock hole; 143. a second inner cavity; 143a, a second through hole; 143b, lumen three; 143c, a second lock hole; 144. a first lock rod; 144a, a first boss; 145. a first magnetic head; 146. a first locking spring; 147. a second lock rod; 147a and a second boss; 147b, boss three; 147c, lock lever three; 148. a second magnetic head; 149a, a second locking spring; 149b, locking spring III

200. A joint; 210. mounting a shell; 211. a plug-in connector; 212. butting the wires; 220. an unlocking mechanism; 221. a main shaft; 222. a main gear; 223. a magnet; 224. a pointer; 225. a drive shaft; 226. a knob; 227. a first transmission gear; 228. and a second transmission gear.

Detailed Description

Referring to fig. 1-22, an electronic code switch encryption USB transmission device includes an interface 100 connected to a computer, and a connector 200 connected to a mobile electronic device, where a communication channel inside the interface 100 is disconnected in an initial state and can be decrypted by the connector 200 in a plug-in fit with the interface 100 to switch the communication channel inside the interface 100 from off to on, the interface 100 includes a fixed shell 110 fixedly connected to the computer, an electronic code switch 120 disposed inside the fixed shell 110, a data wire, a trigger mechanism 130, and a limit locking mechanism 140, the electronic code switch 120 is used to control the on/off of the data wire, the trigger mechanism 130 is slidable left and right and triggers the electronic code switch 120 to open, the limit locking mechanism 140 is used to restrict the left and right sliding of the trigger mechanism 130, the connector 200 can be interfaced with the data wire and can release the restriction of the limit locking mechanism 140 on the trigger mechanism 130, and meanwhile, the trigger mechanism 130 is driven to slide left and right to decrypt the electronic code switch 120.

Specifically, the fixed shell 110 is a rectangular shell structure and one end of the fixed shell forms a docking port 111 which is docked with the connector 200, the electronic code switch 120 is provided with two electronic code switches which are arranged symmetrically left and right along the opening direction of the docking port 111, that is, the electronic code switch 120 comprises a first electronic code switch positioned on the left side inside the fixed shell 110 and a second electronic code switch positioned on the right side inside the fixed shell 110, the electronic code switch 120 is a rectangular block structure and a floating switch contact 121 is arranged on the end surface of the first electronic code switch and the end surface of the second electronic code switch which are mutually deviated from each other, the logic of the first electronic code switch opening is that the contact 121 needs to be pressed is X times, the logic of the second electronic code switch opening is that the contact 121 needs to be pressed is Y times, X and Y are integers greater than zero, an encoder 122 which is fixedly connected with the fixed shell 110 is arranged between the first electronic code switch and the second electronic code switch, the encoder 122 may set the X and Y values.

Specifically, the data wire is provided with four hard ribs which are in flat structures, the data wire comprises a first data wire 123 and a second data wire 124, one end of the first data wire 123 is connected with the computer, the other end of the first data wire 123 penetrates into the encoder 122, one end of the second data wire 124 is embedded in the opening of the inner side wall of the fixed shell 110, which extends to the butt joint port 111, the other end of the first data wire 123 and the other end of the second data wire 124 are connected in series through wires and the electronic password switch 120, wherein the first two data wires 123 are connected in series with the second data wire 124 and the first electronic password switch, the second two data wires 124 are embedded in the left inner wall of the fixed shell 110 and extend to the opening of the butt joint port 111, the first two data wires 123 are connected in series with the second data wire 124 and the second electronic password switch, and the second data wires 124 are embedded in the right inner wall of the fixed shell 110 and extend to the butt joint port At the opening 111, the first electronic code switch is turned on by pressing the contact 121X times, and the second electronic code switch is turned on by pressing the contact 121Y times, so that the data wire is conducted.

Specifically, in order to press the contact 121, the triggering mechanism 130 is disposed between the encoder 122 and the docking port 1111, the triggering mechanism 130 includes an installation frame 131 fixedly connected to the upper and lower walls of the fixed housing 110, the length direction of the installation frame 131 is directed from the left side wall of the fixed housing 110 to the right side wall, a rack 132 is movably disposed on the installation frame 131, the length direction of the rack 132 is directed from the left side wall of the fixed housing 110 to the right side wall, the rack 132 and the installation frame 131 form a sliding guide fit along the length direction thereof, a tooth surface of the rack 132 faces the docking port 111, the end position of the installation frame 131 along the length direction is fixedly disposed on the installation plates 134 arranged at an upper and lower interval, a rocker 135 is rotatably disposed between the two installation plates 134 arranged up and down, and a rotating shaft formed at a rotary connection between the installation plates 134 and the rocker 135 is axially parallel to the interval direction, the axis of rotation between mounting panel 134 and the wane 135 is located wane 135 along its length direction's middle part position, rack 132 is along the fixed length direction's that is provided with ejector pin 133 and ejector pin 133 axial parallel to rack 132's length direction of its length direction's tip position, ejector pin 133 contacts and this contact site is close to wane 135 along length direction's one end and arranges, contact 121 contacts and wane 135's medial surface and this contact site is close to wane 135 along length direction's the other end and arranges, through the slip of rack 132, make ejector pin 133 push against wane 135, wane 135 rotates the realization around its axis of rotation and presses contact 121.

In the process that the trigger mechanism 130 opens the electronic code switch 120, specifically, the limit locking mechanism 140 needs to be released from the constraint of the trigger mechanism 130, at this time, the rack 132 can slide left and right along the mounting frame 131, if the first electronic code switch is decrypted and opened, the rack 132 is driven to slide left along the mounting frame 131 and reset again, the operation is repeated for X times, the ejector rod 133 pushes the rocker 135 for X times, the rocker 135 rotates around the rotating shaft thereof and presses the contact 121 for X times, and at this time, the first electronic code switch is opened; if decrypt the second electronic code switch and open, drive rack 132 along mounting bracket 131 right slip reset again, so reciprocate and go on Y times, ejector pin 133 supports and pushes away Y times to wane 135, and wane 135 rotates and presses the Y groove to contact 121 around its axis of rotation, and at this moment, second electronic code switch opens, and first electronic code switch and second electronic code switch decrypt and accomplish and the data wire switches on.

Preferably, in order to guide the rack 132 to slide left and right, the mounting bracket 131 includes a rectangular bottom plate 131a, a rectangular top plate 131c, and a bending plate 131b connecting the bottom plate 131a and the top plate 131c, the bottom plate 131a and the top plate 131c are of a plate structure arranged vertically and symmetrically and are fixedly connected with the bending plate 131b into a whole, the bending plate 131b is perpendicular to the bottom plate 131a and is fixedly connected with a side of the bottom plate 131a away from the docking port 111, the bending plate 131b is perpendicular to the top plate 131c and is fixedly connected with a side of the top plate 131c away from the docking port 111, the bottom plate 131a, the bent plate 131b and the top plate 131c form a U-shaped structure with an opening facing the docking port 111, the rack 132 is movably mounted inside the U-shaped structure, the upper end surface of the bottom plate 131a and the lower end surface of the top plate 131c are both provided with guide sliding grooves arranged along the length direction of the bottom plate, and the rack 132 and the guide sliding grooves form sliding guide fit.

In order to restrain the left and right sliding of the rack 132, the limit locking mechanism 140 includes a rectangular vertically-arranged embedded block 141, the embedded block 141 is embedded in the middle position of the back surface of the rack 132 away from the tooth surface of the rack, the embedded block 141 is flush with the back surface of the rack 132 and is located between the bottom plate 131a and the top plate 131c, a first locking component and a second locking component for locking the embedded block 141 and the top plate 131c are arranged between the embedded block 141 and the bent plate 131b, and the first locking component and the second locking component lock the embedded block 141 and the bent plate 131b in an initial state, so that the sliding of the rack 132 is restrained.

Specifically, the locking assembly comprises a first circular inner cavity 142 which is arranged inside the rack 132 and is opposite to the inner embedded block 141, and a first circular locking hole 142b which is arranged on the bending plate 131b and is opposite to the inner embedded block 141, the axial direction of the first inner cavity 142 is arranged along the opening direction of the butt joint port 111, one end of the first inner cavity 142, which is far away from the inner embedded block 141, is coaxially provided with a first through hole 142a communicated with a tooth slot at the middle position of the rack 132, the first locking hole 142b is coaxial with the first inner cavity 142, the diameter of the first inner cavity 142 is larger than that of the first through hole 142a and that of the first locking hole 142b, a first locking rod 144 is coaxially and movably arranged in the first inner cavity 142, an annular first boss 144a is coaxially and fixedly sleeved at the middle position of the first locking rod 144 along the length direction, the outer circular surface of the first boss 144a is attached to the inner circular surface of the first inner cavity, in the initial state, one end of the first lock bar 144 movably passes through the transition hole formed in the inner embedded block 141 and extends into the first lock hole 142b, and the first lock bar 144 is matched with the first lock hole 142b, so that the first locking assembly has a locking function.

More specifically, the locking spring i 146 is movably sleeved outside the first locking rod i 144, the locking spring i 146 is located in the first inner cavity i 142, one end of the locking spring i 146 abuts against the end portion of the first inner cavity i 142 close to the first through hole i 142a, the other end of the locking spring i 146 abuts against the first boss 144a, and the elastic force of the locking spring i 146 always pushes the first boss 144a to slide towards the inner cavity block 141, in order to unlock the locking assembly, the first locking rod i 144 needs to slide against the elastic force of the locking spring i 146 and withdraw from the first locking hole i 142b, for this reason, the first cylindrical magnetic head i 145 is arranged in the first through hole i 142a in a sliding manner, the first magnetic head i 145 is fixedly connected with the first locking rod i 144, the connector 200 exerts attractive force on the first magnetic head i 145 through magnetism, so that the first magnetic head i 145 slides outwards along the first through hole i 142a, the first lock bar 144 is withdrawn from the first lock hole 142b, and the first locking component releases the locking of the rack 132 and the bent plate 131 b.

Specifically, the locking assembly II comprises a circular inner cavity II 143 which is arranged inside the rack 132 and is opposite to the inner embedded block 141, and a circular inner cavity III 143b which is arranged on the bending plate 131b and is opposite to the inner embedded block 141, the inner cavity II 143 and the inner cavity III 143b are coaxially arranged, the axial directions of the inner cavity II 143 and the inner cavity III 143b are both arranged along the opening direction of the butt joint port 111, a through hole II 143a which is communicated with a tooth slot at the middle position of the rack 132 is coaxially arranged at one end of the inner cavity II 143b which is far away from the inner cavity III 143b, a lock hole II 143c is coaxially arranged at one end of the inner cavity III 143b which is close to the inner cavity II 143, the diameter of the inner cavity II 143 is larger than that of the through hole II 143a, a lock rod II 147 is coaxially and movably arranged inside the inner cavity II 143, an annular boss 147 is coaxially and fixedly sleeved on the middle position of the, the outer circular surface of the second boss 147a is attached to the inner circular surface of the second inner cavity 143, the outer circular surface of the second boss 147a and the inner circular surface of the second inner cavity 143 form sliding guide fit along the axial direction of the second inner cavity 143, a third locking rod 147c is coaxially and movably arranged in the third inner cavity 143b, one end of the third locking rod 147c, which is far away from the inner embedded block 141, is coaxially and fixedly provided with a third boss 147b, the outer circular surface of the third boss 147b and the inner circular surface of the third inner cavity 143b are attached to each other, the outer circular surface of the third boss 147b and the inner circular surface of the third inner cavity 143b form sliding guide fit along the axial direction of the third inner cavity 143b, one end of the second locking rod 147c, which is far away from the third boss 147b, is movably inserted into a transition hole formed in the inner embedded block 141 in an initial state, the second locking rod 147 is.

More specifically, a locking spring two 149a is movably sleeved outside the second lock bar 147, the locking spring two 149a is located in the second inner cavity 143, one end of the locking spring two 149a abuts against the second boss 147a, the other end of the locking spring two 149a abuts against the inner embedded block 141, and the elastic force of the locking spring two 149a always pushes the second boss 147a to slide away from the inner embedded block 141, a locking spring three 149b is movably arranged in the third inner cavity 143b, one end of the locking spring three 149b abuts against one end of the third inner cavity 143b, the other end of the locking spring three 149b abuts against the third boss 147b, and the elastic force of the locking spring three 149b always pushes the third boss 147b to slide towards the inner embedded block 141, in order to unlock the second locking assembly, the third lock bar 147c needs to withdraw from the transition hole to the second lock hole 143c exactly, and the second lock bar 147 is prohibited from extending into the second lock hole 143c, for this reason, a cylindrical magnetic head two 148 is slidably arranged in, the joint 200 applies repulsive force to the second magnetic head 148 through magnetism, so that the second magnetic head 148 slides inwards along the second through hole 143a, the second lock rod 147 is driven to slide inwards under the action of the elastic force of the second locking spring 149a, the third lock rod 147c is driven to slide inwards under the action of the elastic force of the third locking spring 149b until the third lock rod 147c just withdraws from the transition hole into the second lock hole 143c, and the second locking assembly unlocks the second rack 132 and the second bending plate 131 b.

More specifically, the first locking assembly and the second locking assembly are provided with a plurality of transition holes and are arranged along the length direction of the embedded block 141 in an alternating mode, the transition holes in the embedded block 141 are provided with a plurality of transition holes and correspond to the first locking assembly/the second locking assembly one to one, the technical scheme is adopted, the cracking difficulty is improved, and only when all the first locking assemblies and the second locking assemblies are unlocked, the sliding constraint on the rack 132 can be relieved by the limiting locking mechanism 140.

During operation of the limiting and locking mechanism 140, the first locking assembly has a locking function through the matching of the first locking bar 144 and the first locking hole 142b in an initial state, the second locking assembly has a locking function through the matching of the third locking bar 147c and the transition hole, when the joint 200 is completely butted with the interface 100, the joint 200 applies attraction force to the first magnetic head 145 through magnetism, so that the first magnetic head 145 slides outwards along the first through hole 142a, the first locking bar 144 is driven to slide outwards against the elastic force of the first return spring 146, the first locking bar 144 is withdrawn from the first locking hole 142b, the first locking assembly releases the locking of the rack 132 and the bending plate 131b, meanwhile, the joint 200 applies repulsive force to the second magnetic head 148 through magnetism, so that the second magnetic head 148 slides inwards along the second through hole 143a, and the second locking bar 147 is driven to slide inwards against the elastic force of the second locking spring 149a, and then the locking rod third 147c is driven to overcome the elastic force of the locking spring third 149b to slide inwards until the locking rod third 147c just withdraws from the transition hole to the locking hole second 143c, the locking component second releases the locking of the rack second 132 and the bending plate 131b, at this time, the locking component first and the locking component second both release the locking of the rack 142, the rack second 142 can slide left and right along the guide chute to unlock the electronic code switch 120, and thus, the limit locking mechanism 140 releases the sliding constraint of the rack 132 into the first encryption, and the opening of the electronic code switch is promoted into the second encryption by the left and right sliding of the rack 132.

In order to be capable of being butted with the second data wire 124, applying matched magnetic poles to the first head 145 and the second head 148 and driving the rack 132 to slide left and right, the joint 200 comprises a mounting shell 210 matched with the butting hole 111, a butting wire 212 arranged in the mounting shell 210 and an unlocking mechanism 220, wherein the butting wire 212 is used for butting the second data wire 124, the unlocking mechanism 220 is used for applying attraction force to the first head 145 and applying repulsion force to the second head 148 and driving the rack 132 to slide left and right, the mounting shell 210 is a shell structure with one open end and the open end is a plug-in joint 211 matched with the butting port 111 in a plugging way, the outer wall of the plug-in joint 211 can form sliding guide fit with the inner wall of the butting port 111, the butting wire 212 is provided with four hard rib shapes with flat structures, and one end of the butting wire 212 is connected with a mobile electronic device, The other end of the connection piece penetrates through and is embedded on the outer side wall of the mounting shell 210 and extends towards the plug-in connector 211, two of the connection wires 212 are located on the outer side wall of one side of the mounting shell 210, the other two connection wires 212 are located on the outer side wall of the other side of the mounting shell 210, and after the plug-in connector 211 is in plug-in fit with the connection port 111, the connection wires 212 are in contact with the second data wire 124.

Specifically, the unlocking mechanism 220 includes a main shaft 221 rotatably disposed at an intermediate position inside the mounting housing 210, an axial direction of the main shaft 221 is parallel to a thickness direction of the mounting housing 210, a main gear 222 capable of being engaged with the rack 132 is coaxially and fixedly sleeved on the main shaft 221, a magnet 223 is embedded on one tooth top surface of the main gear 222 in a hidden manner, the magnets 223 are disposed in a plurality of arrays along the axial direction parallel to the main shaft 221, an upper end of the main shaft 221 extends to an upper end surface of the mounting housing 210 and is coaxially and fixedly sleeved with a pointer 224, a direction of the pointer 224 is consistent with a direction of the magnet 223, the pointer 224 is used for marking a position direction of the magnet 223 and is required to point the pointer 224 to the interface 111 before the plug 211 is plugged and matched with the interface 111, after the plug 211 is plugged and matched with the interface 111, the rack 132 is engaged with the main gear 222, the magnet 223 is engaged with the first magnetic head, The second heads 148 are matched in a one-to-one correspondence and apply a required attractive force to the first heads 145 and a required repulsive force to the second heads 148.

More specifically, in order to drive the main gear 222 to rotate, so as to drive the rack 132 to slide, the unlocking mechanism 220 further includes a driving shaft 225 rotatably disposed in the mounting housing 210 and axially parallel to the axial direction of the main shaft 221, a first transmission gear 227 is coaxially and fixedly sleeved on the driving shaft 225, a second transmission gear 228 is coaxially and fixedly sleeved on the main shaft 221, two second transmission gears 228 are disposed and located on the upper and lower sides of the main gear 222, two first transmission gears 227 are disposed and meshed with the second transmission gears 228 one by one, the upper end of the driving shaft 225 extends to the upper end face of the mounting housing 210 and is coaxially and fixedly provided with a knob 226, and the main gear 222 is driven to rotate by rotating the knob 226, so as to drive the rack 132 to slide left and right.

During the operation of the connector 200, firstly the knob 226 is rotated and the pointer 224 points to the insertion direction of the plug 211, so as to make the magnet 223 face the interface 111 (this is the third encryption), then the plug 211 is inserted into the interface 111, at this time, the interface wire 212 is contacted with the second data wire 124, the rack 132 is meshed with the main gear 222, the magnet 223 is matched with the first magnetic head 145 and the second magnetic head 148 one by one and applies attraction force to the first magnetic head 145 and applies repulsion force to the second magnetic head 148, the first locking assembly and the second locking assembly are unlocked, the limit locking mechanism 140 releases the sliding restriction to the rack 132, finally, the knob 226 is rotated, the knob 226 drives the main gear 222 to rotate, and the rack 132 is driven by the main gear 222 to slide leftwards and reset for X times, slide rightwards and reset for Y times, the electronic encryption switch 120 is opened, the data conductor is connected with the docking conductor 212, and data interactive transmission between the computer and the mobile electronic device is realized through the data conductor and the docking conductor 212.

Claims (9)

1. The encryption type USB interface component for constructing the encrypted data secure transmission channel is characterized in that: the electronic code switch comprises a fixed shell (110) fixedly connected with a computer, an electronic code switch (120) arranged in the fixed shell (110), a data wire, a trigger mechanism (130) and a limit locking mechanism (140), wherein the electronic code switch (120) is used for controlling the on-off of the data wire, the trigger mechanism (130) can slide left and right and trigger the electronic code switch (120) to be opened, and the limit locking mechanism (140) is used for restricting the left and right sliding of the trigger mechanism (130);

the fixed shell (110) is of a rectangular shell structure, one end of the fixed shell forms a butt joint port (111) which is in butt joint with the joint (200), the electronic password switch (120) is provided with two butt joint ports (111) which are arranged in bilateral symmetry along the opening direction of the butt joint port (111), namely the electronic password switch (120) comprises a first electronic password switch positioned on the left side in the fixed shell (110) and a second electronic password switch positioned on the right side in the fixed shell (110), the electronic password switch (120) is of a rectangular block structure, a floating switch contact (121) is arranged on one end face of the first electronic password switch and the end face of the second electronic password switch, which are mutually deviated from each other, the first electronic password switch is opened for X times when the contact (121) needs to be pressed, the second electronic password switch is opened for Y times when the contact (121) needs to be pressed, and both X and Y are integers larger than zero, the first electronic code switch and the second electronic code switch are arranged between the encoders (122) fixedly connected with the fixed shell (110), and the encoders (122) can set and encode the X and Y values.

2. The encrypted USB interface component for constructing the encrypted data secure transmission channel according to claim 1, wherein: the data lead is provided with four hard ribs which are flat, the data lead comprises a first data lead (123) and a second data lead (124), one end of the first data lead (123) is connected with a computer, the other end of the first data lead penetrates into the encoder (122), one end of the second data lead (124) is embedded in the inner side wall of the fixed shell (110) and extends to the opening of the butt joint port (111), the other end of the second data lead penetrates into the encoder (122), the other end of the first data lead (123) and the other end of the second data lead (124) are connected in series through leads and an electronic password switch (120), wherein the first data lead (123) and the second data lead (124) are connected in series and the second data lead (124) are embedded in the left inner wall of the fixed shell (110) and extend to the opening of the butt joint port (111), the other two data wires I (123) are connected with the two wires II (124) and the second electronic code switch in series, and the two data wires II (124) are embedded in the opening of the right inner wall of the fixed shell (110) and extend to the butt joint port (111).

3. The encrypted USB interface structure for constructing the secure transmission channel of encrypted data according to claim 1 or 2, wherein: the trigger mechanism (130) is provided with an encoder (122) and a butt joint port (1111), the trigger mechanism (130) comprises an installation frame (131) fixedly connected with the upper wall and the lower wall of the fixed shell (110), the length direction of the installation frame (131) is indicated by the left side wall of the fixed shell (110) to the right side wall, a rack (132) is movably arranged on the installation frame (131), the length direction of the rack (132) is the direction in which the left side wall of the fixed shell (110) is indicated by the right side wall, the rack (132) and the installation frame (131) form sliding guide fit along the length direction, the tooth surface of the rack (132) faces the butt joint port (111), the end position of the installation frame (131) along the length direction is fixedly arranged on the installation plates (134) which are arranged at intervals up and down, a warping plate (135) is rotatably arranged between the two installation plates (134) which are arranged up and down, the rotating shaft formed by the rotating connection position between the installation plate (134) and the warping plate (135, the axis of rotation between mounting panel (134) and wane (135) is located wane (135) along its length direction's middle part position, rack (132) are provided with ejector pin (133) and the fixed length direction that is parallel to rack (132) of the axial that is provided with ejector pin (133) and ejector pin (133) along its length direction's end position, and ejector pin (133) contact and this contact site of the medial surface of wane (135) is close to wane (135) and arranges along length direction's one end, and contact (121) contact and the medial surface of wane (135) and this contact site is close to wane (135) and arranges along length direction's the other end.

4. The encrypted USB interface component for constructing the encrypted data secure transmission channel according to claim 3, wherein: the mounting frame (131) comprises a rectangular bottom plate (131 a), a rectangular top plate (131 c) and a bending plate (131 b) connected between the bottom plate (131 a) and the top plate (131 c), the bottom plate (131 a) and the top plate (131 c) are of plate body structures which are symmetrically arranged up and down and are fixedly connected with the bending plate (131 b) into a whole, the bending plate (131 b) is perpendicular to the bottom plate (131 a) and fixedly connected with one side of the bottom plate (131 a) departing from the butt joint port (111), the bending plate (131 b) is perpendicular to the top plate (131 c) and fixedly connected with one side of the top plate (131 c) departing from the butt joint port (111), the bottom plate (131 a), the bending plate (131 b) and the top plate (131 c) form a U-shaped structure with an opening facing the butt joint port (111), a rack (132) is movably mounted inside the U-shaped structure, guide chutes arranged along the length direction are formed in the upper end face of the bottom plate (131 a) and the lower end face of the top, the rack (132) and the guide runner form a sliding guide fit.

5. The encrypted USB interface component for constructing the encrypted data secure transmission channel according to claim 1, wherein: the limiting locking mechanism (140) comprises rectangular vertically-arranged embedded blocks (141), the embedded blocks (141) are embedded in the middle of the back face of the rack (132) departing from the tooth surface of the rack, the embedded blocks (141) are flush with the back face of the rack (132) and are located between the bottom plate (131 a) and the top plate (131 c), a first locking assembly and a second locking assembly for locking the first embedded block and the second embedded block are arranged between the embedded blocks (141) and the bending plate (131 b), and the first locking assembly and the second locking assembly lock the embedded blocks (141) and the bending plate (131 b) in an initial state.

6. The encrypted USB interface component for constructing the encrypted data secure transmission channel according to claim 5, wherein: the locking assembly I comprises a first circular inner cavity (142) which is arranged inside the rack (132) and is opposite to the inner embedded block (141), and a first circular locking hole (142 b) which is arranged on the bending plate (131 b) and is opposite to the inner cavity block (141), the axial direction of the first inner cavity (142) is arranged along the opening direction of the butt joint port (111), one end of the first inner cavity (142) departing from the inner embedded block (141) is coaxially provided with a first through hole (142 a) communicated with a tooth slot at the middle position of the rack (132), the first locking hole (142 b) and the first inner cavity (142) are coaxially arranged, the diameter of the first inner cavity (142) is larger than that of the first through hole (142 a) and the first locking hole (142 b), a first locking rod (144) is coaxially and movably arranged in the first inner cavity (142), and a first annular boss (144 a) is coaxially and fixedly sleeved on the first locking rod (144) along the middle position of the, the outer circular surface of the first boss (144 a) is attached to the inner circular surface of the first inner cavity (142), the first boss and the inner circular surface form sliding guide fit along the axial direction of the first inner cavity (142), and one end of the first lock rod (144) movably penetrates through a transition hole formed in the inner embedded block (141) and extends into the first lock hole (142 b) in the initial state.

7. The encrypted USB interface component for constructing the encrypted data secure transmission channel according to claim 6, wherein: the outside activity cover of locking lever one (144) be equipped with locking spring one (146) and locking spring and (146) are located inner chamber one (142), locking spring one (146) one end is contradicted with inner chamber one (142) near the tip of through hole one (142 a), the other end is contradicted with boss one (144 a) and the elasticity of locking spring one (146) promotes boss one (144 a) all the time and slides towards inner chamber piece (141), it is provided with cylindricality magnetic head one (145) and locking lever one (144) fixed connection to slide in through hole one (142 a).

8. The encrypted USB interface component for constructing the encrypted data secure transmission channel according to claim 5, wherein: the locking assembly II comprises a circular inner cavity II (143) which is arranged inside the rack (132) and is opposite to the embedded block (141), and a circular inner cavity III (143 b) which is arranged on the bending plate (131 b) and is opposite to the embedded block (141), the inner cavity II (143) and the inner cavity III (143 b) are coaxially arranged, the axial directions of the inner cavity II (143) and the inner cavity III (143 b) are both arranged along the opening direction of the butt joint port (111), one end, away from the inner cavity III (143 b), of the inner cavity II (143) is coaxially provided with a through hole II (143 a) communicated with a tooth slot at the middle position of the rack (132), one end, close to the inner cavity II (143), of the inner cavity III (143 b) is coaxially provided with a locking hole II (143 c), the diameter of the inner cavity II (143) is larger than that of the through hole II (143 a), the diameter of the inner cavity III (143 b) is larger than that of the locking hole II (143 c, the middle position of the lock rod II (147) in the length direction is coaxially and fixedly sleeved with an annular boss II (147 a), the outer circular surface of the boss II (147 a) is attached to the inner circular surface of the inner cavity II (143) and forms sliding guide fit along the axial direction of the inner cavity II (143), a lock rod III (147 c) is coaxially and movably arranged in the inner cavity III (143 b), one end, away from the inner embedded block (141), of the lock rod III (147 c) is coaxially and fixedly provided with a boss III (147 b), the outer circular surface of the boss III (147 b) is attached to the inner circular surface of the inner cavity III (143 b) and forms sliding guide fit along the axial direction of the inner cavity III (143 b), one end, away from the boss III (147 b), of the lock rod II (147) in an initial state is movably inserted into a transition hole formed in the inner embedded block (141), one end, away from the boss III (147 b), of the lock rod III (147 c) in an initial state is movably inserted into a transition hole formed in the inner embedded block (141), and the lock rod The transition holes are mutually inconsistent.

9. The encrypted USB interface structure for constructing the secure transmission channel of encrypted data according to claim 8, wherein: a second locking spring (149 a) is movably sleeved outside the second locking rod (147), the second locking spring (149 a) is positioned in the second inner cavity (143), one end of the second locking spring (149 a) is abutted against the second boss (147 a), the other end of the second locking spring is abutted against the inner embedded block (141), and the second boss (147 a) is always pushed by the elastic force of the second locking spring (149 a) to slide away from the inner embedded block (141), a locking spring III (149 b) is movably arranged in the inner cavity III (143 b), one end of the locking spring III (149 b) is abutted against one end of the inner cavity III (143 b), the other end of the locking spring III (149 b) is abutted against the boss III (147 b), the elastic force of the locking spring III (149 b) always pushes the boss III (147 b) to slide towards the inner embedded block (141), a second cylindrical magnetic head (148) is arranged in the second through hole (143 a) in a sliding mode, and the second magnetic head (148) is fixedly connected with a second lock rod (147).

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