CN113668956B - Anti-theft lock based on resistance change - Google Patents
Anti-theft lock based on resistance change Download PDFInfo
- Publication number
- CN113668956B CN113668956B CN202110847479.2A CN202110847479A CN113668956B CN 113668956 B CN113668956 B CN 113668956B CN 202110847479 A CN202110847479 A CN 202110847479A CN 113668956 B CN113668956 B CN 113668956B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- shell
- outer side
- insulating
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0072—Operation
- E05B2047/0073—Current to unlock only
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0084—Key or electric means; Emergency release
Abstract
The invention belongs to the technical field of locks, in particular to an anti-theft lock based on resistance change, which comprises a resistance key assembly, wherein the resistance key assembly comprises a key handle, an alloy wafer, a first alloy dustproof small wafer, a first plane bearing, a first alloy round plug, a key shell, a round-corner diamond-shaped limiting block, an insulating semi-cylindrical shell, a resistor group, a conductive joint, a first lead, a hollow pipe, a square plug-in joint, a pure copper conductive block, a second alloy dustproof small wafer, a second plane bearing, an insulating round plug, a coil spring limiting shell and a first coil spring, wherein the outer side of the top end of the hollow pipe is fixedly connected with a sliding connecting device.
Description
Technical Field
The invention belongs to the technical field of locks, and particularly relates to an anti-theft lock based on resistance change.
Background
Most of traditional locks are mechanical locks, the mechanical locks are full-mechanical coded locks without electronic devices, the full-mechanical coded locks are mainly unlocked in a matching mode through the stretching of marbles in lock cores, and the mutual unlocking rate of the locks unlocked through keys is high, so that the safety is not high.
At present, the mechanical lock has a high popularization rate, and the internal structure of the mechanical lock can be unlocked in a technical unlocking mode, so that the traditional mechanical lock is low in safety and has certain potential safety hazards.
Therefore, the present application proposes an anti-theft lock based on resistance change.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides an anti-theft lock based on resistance change, which has the characteristics of a lock.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-theft lock based on resistance change comprises a resistance key assembly, wherein the resistance key assembly comprises a key handle, an alloy wafer, a first alloy dustproof wafer, a first plane bearing, a first alloy round plug, a key shell, a round angle diamond-shaped limiting block, an insulating semi-cylinder shell, a resistor group, a conductive connector, a first lead, a hollow tube, a square plug connector, a pure copper conductive block, a second alloy dustproof wafer, a second plane bearing, an insulating round plug, a coil spring limiting shell, a first coil spring, a coil spring mounting seat and a first rotation limiting baffle plate, the outer end face of one end of the key shell is in contact connection with a lock cylinder assembly, the lock cylinder assembly comprises a lock cylinder shell, a round angle diamond-shaped limiting groove, a second alloy round plug, an angle sensor, a plug connector rotating shell, a rotating bearing, a second coil spring, a second rotation limiting baffle plate, a fixed baffle, a strip-shaped groove, a pure copper elastic sheet and a four-core lead, the inner wall surface of one end of the lock cylinder shell is in contact connection with the outer end surface of one end of the key shell, the outer side of one end of the round-angle diamond-shaped limiting block is in clamping contact with the inner side of one end of the round-angle diamond-shaped limiting groove, the outer side of one end of the square plug-in connector is in clamping contact with the inner side of one end of the plug-in connector rotating shell, the outer side of one end of the pure copper conducting block is in contact connection with the outer side of one end of the pure copper elastic conducting strip, the outer side of the top end of the hollow tube is fixedly connected with a sliding connecting device, the sliding connecting device comprises an insulating cylindrical shell, an insulating limiting ring, a conductive pure copper column, an insulating sliding wafer, a compression spring and a second conducting wire, the outer side of the bottom end of the insulating cylindrical shell is fixedly connected with the outer side of the top end of the hollow tube, the outer side of the tail end of the second conducting wire is fixedly connected with the outer side of the bottom end of the pure copper conducting block positioned on the upper side, and the outer side of the top end of the conductive pure copper column is in contact connection with the lower side of the top end of the resistor group.
As a preferred preference of the anti-theft lock based on resistance change, an alloy wafer is fixedly connected to the outer side of the left end of the key handle, a first alloy dustproof small wafer is fixedly connected to the outer side of the left end of the alloy wafer, a first planar bearing is fixedly connected to the outer side of the left end of the first alloy dustproof small wafer, a first alloy circular plug is fixedly connected to the outer side of the left end of the first planar bearing, a key shell is fixedly connected to the outer end face of one end of the first alloy circular plug, round-angle diamond-shaped limiting blocks are fixedly connected to the outer sides of the upper end and the lower end of the key shell, an insulating semi-cylindrical shell is fixedly connected to the inner side of one end of the key shell, the left end of the insulating semi-cylindrical shell is in a cylindrical shape, the right end of the insulating semi-cylindrical shell is in a semi-cylindrical shape, a resistor group is fixedly connected to the inner arc face of the rear end, and the resistance values of each resistor in the resistor group are different.
Preferably, the anti-theft lock based on resistance change is characterized in that a conductive joint is fixedly connected to the front side of the bottom end of the resistor group, a first lead is fixedly connected to the outer side of the right end of the conductive joint, a hollow pipe is fixedly connected to the outer side of the top end of the first lead, the outer side of the right end of the hollow pipe is fixedly connected with one end of the alloy wafer and one end of the first alloy dustproof wafer, the outer side of the right end of the hollow pipe is in rotating contact with the inner side of one end of the first alloy circular plug, a square plug is fixedly connected to the outer side of the left end of the hollow pipe, pure copper conductive blocks are fixedly connected to the inner sides of the upper end and the lower end of the square plug, the outer side of the top end of the pure copper conductive block located on the lower side of the square plug is fixedly connected with the outer side of the tail end of the first lead, a second alloy dustproof wafer is fixedly connected to the outer side of the right end of the square plug, the center position of one end of the second alloy dustproof wafer is fixedly connected with the outer end face of the left end of the hollow pipe, a second flat bearing is fixedly connected to the outer side of the right end of the second flat bearing, and the right end of the second flat bearing is fixedly connected with the outer side of the key shell.
As an optimization of the anti-theft lock based on resistance change, an insulating round plug is fixedly connected to the inner wall surface of the left end of the insulating semi-cylindrical shell, a coil spring limiting shell is fixedly connected to the inner wall surface of the left end of the insulating semi-cylindrical shell, a first coil spring is fixedly connected to the inner wall surface of the left end of the insulating semi-cylindrical shell, a coil spring mounting seat is fixedly connected to the tail end of the first coil spring, the inner wall surface of one end of the coil spring mounting seat is fixedly connected to the outer end surface of the left end of the hollow tube, a first rotation limiting blocking piece is fixedly connected to the outer side of the top end of the hollow tube, and the outer side of the front end of the first rotation limiting blocking piece is in contact connection with the inner wall surface of the top end of the insulating semi-cylindrical shell.
Preferably, the inner side of the right end of the lock cylinder shell is clamped with a rounded rhombus limiting groove, the inner wall surface of the left end of the lock cylinder shell is fixedly connected with a second alloy round plug, the outer side of the right end of the second alloy round plug is fixedly connected with an angle sensor, the outer side of one end of the angle sensor is fixedly connected with the inner wall surface of the left end of the lock cylinder shell, the tail end of a main shaft of the angle sensor is fixedly connected with a plug rotating shell, the outer end surface of one end of the plug rotating shell is fixedly connected with a rotating bearing, the outer end surface of one end of the rotating bearing is fixedly connected with the inner side of the left end of the lock cylinder shell, the upper side of the left end of the plug rotating shell is fixedly connected with a second coil spring, the tail end of the second coil spring is fixedly connected with the inner side of the left end of the lock cylinder shell, the left side of the top end of the plug rotating shell is fixedly connected with a second rotating limiting baffle, the outer side of the front end of the second rotating limiting baffle is in contact connection with a fixed stop, and the outer side of the top end of the fixed stop is fixedly connected with the inner side of the left end of the lock cylinder shell.
Preferably, the anti-theft lock based on resistance change is characterized in that strip-shaped grooves are formed in the inner sides of the upper end and the lower end of the plug connector rotating shell, a pure copper elastic conducting strip is arranged on the inner side of one end of each strip-shaped groove, the outer side of one end of each pure copper elastic conducting strip is fixedly connected with the inner side of one end of the plug connector rotating shell, four-core wires are fixedly connected to the outer side of the left end of each pure copper elastic conducting strip, the outer sides of the left ends of the four-core wires are in winding contact with the outer side of a main shaft of the angle sensor, the outer sides of the left ends of the four-core wires are fixedly connected with the inner side of the left end of the lock cylinder shell, the number of the four-core wires is two, the four-core wires on the upper side are fixedly connected with the pure copper elastic conducting strips on the upper side, and the four-core wires on the lower side are fixedly connected with the pure copper elastic conducting strips on the lower side.
Preferably, the anti-theft lock based on resistance change is characterized in that an insulating limiting ring is fixedly connected to the inner side of the top end of the insulating cylindrical shell, a conductive pure copper column is in sliding contact with the inner wall surface of one end of the insulating limiting ring, an insulating sliding wafer is fixedly connected to the outer side of the bottom end of the conductive pure copper column, the outer end surface of one end of the insulating sliding wafer is in sliding contact with the inner wall surface of one end of the insulating cylindrical shell, a compression spring is fixedly connected to the outer side of the bottom end of the insulating sliding wafer, the outer side of the bottom end of the compression spring is fixedly connected with the inner side of the bottom end of the insulating cylindrical shell, a second lead is fixedly connected to the outer side of the bottom end of the conductive pure copper column, the outer side of one end of the second lead is fixedly connected with the inner side of one end of the insulating sliding wafer, and the outer side of one end of the second lead is fixedly connected with the inner side of the bottom end of the insulating cylindrical shell.
Compared with the prior art, the invention has the beneficial effects that:
1. the device is unlocked in a mode of changing current through the resistor, and each resistor in the resistor group is made of resistors with different resistors, so that when the resistor group serves as a slide rheostat to output current, multiple groups of output current data are irregular, unlocking can be controlled through a method of matching the current data, the resistor key is difficult to imitate by other people, the safety is high, no marble is arranged in the lock cylinder assembly, and unlocking cannot be performed through a traditional unlocking method.
2. The resistance key assembly and the plug connector rotating shell in the device have the function of automatically returning to the original position after rotating.
3. This device can make the stable and group of resistance of electrically conductive pure copper post carry out electric connection through the slip even electric installation that sets up to stability when can improving to unblank.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the resistance key assembly of the present invention;
FIG. 3 is a schematic view of the overall structure of the lock cylinder assembly of the present invention;
FIG. 4 is a schematic diagram of the overall structure of the insulated semi-cylindrical housing of the present invention turned upside down;
FIG. 5 is a cross-sectional view of the internal structure of the resistance key assembly of the present invention;
FIG. 6 is a cross-sectional view of the internal structure of the lock cylinder assembly of the present invention;
FIG. 7 is a sectional view showing the internal structure of the sliding coupling device of the present invention;
FIG. 8 is a schematic view of the structure of FIG. 5 at A in accordance with the present invention;
FIG. 9 is a schematic view of the structure at B in FIG. 5 according to the present invention;
FIG. 10 is a schematic view of the structure of FIG. 6 at point C;
FIG. 11 is a schematic view of the structure of FIG. 6 at C.
In the figure: 1. a resistance key assembly; 101. a key handle; 102. alloy wafer; 103. a first alloy dust-proof small wafer; 104. a first planar bearing; 105. a first alloy round plug; 106. a key housing; 107. a round corner diamond-shaped limiting block; 108. an insulating semi-cylindrical housing; 109. a resistor group; 110. a conductive joint; 111. a first conductive line; 112. a hollow pipe; 113. a square plug-in connector; 114. a pure copper conductive block; 115. a second alloy dust-proof small wafer; 116. a second planar bearing; 117. insulating round plugs; 118. a coil spring limiting shell; 119. a first coil spring; 120. a coil spring mounting seat; 121. a first rotation limiting baffle; 2. a lock cylinder assembly; 201. a lock cylinder housing; 202. a round-corner diamond-shaped limiting groove; 203. a second alloy round plug; 204. an angle sensor; 205. the plug connector rotates the outer shell; 206. a rotating bearing; 207. a second coil spring; 208. a second rotation limiting baffle; 209. fixing a stop block; 210. a strip-shaped groove; 211. a pure copper elastic conductive sheet; 212. a four-core wire; 3. a sliding electrical connection device; 301. an insulating cylindrical housing; 302. an insulating limit ring; 303. a conductive pure copper pillar; 304. insulating the sliding wafer; 305. a compression spring; 306. a second conductive line.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1
As shown in fig. 1-11;
an anti-theft lock based on resistance change comprises a resistance key assembly 1, wherein the resistance key assembly 1 comprises a key handle 101, an alloy wafer 102, a first alloy dustproof small wafer 103, a first plane bearing 104, a first alloy circular plug 105, a key shell 106, a rounded diamond-shaped limit block 107, an insulating semi-cylindrical shell 108, a resistor group 109, a conductive connector 110, a first lead 111, a hollow tube 112, a square plug 113, a pure copper conductive block 114, a second alloy dustproof small wafer 115, a second plane bearing 116, an insulating circular plug 117, a coil spring limit shell 118, a first coil spring 119, a coil spring mounting seat 120 and a first rotation limit stop sheet 121, the outer end face of one end of the key shell 106 is in contact connection with a lock cylinder assembly 2, the lock cylinder assembly 2 comprises a lock cylinder shell 201, a rounded diamond-shaped limit groove 202, a second alloy circular plug 203, an angle sensor 204, a plug rotation shell 205, a rotation bearing 206, a second coil spring 207, a second rotation limit stop sheet 208, a fixed stop 209, a strip-shaped groove 210, a pure copper elastic 211 and a four-core lead 212, the inner wall surface of one end of the lock cylinder shell 201 is in contact connection with the outer end surface of one end of the key shell 106, the outer side of one end of the round-corner diamond-shaped limiting block 107 is in clamping contact with the inner side of one end of the round-corner diamond-shaped limiting groove 202, the outer side of one end of the square plug 113 is in clamping contact with the inner side of one end of the plug rotating shell 205, the outer side of one end of the pure copper conducting block 114 is in contact connection with the outer side of one end of the pure copper elastic conducting strip 211, the outer side of the top end of the hollow tube 112 is fixedly connected with the sliding connection device 3, the sliding connection device 3 comprises an insulating cylindrical shell 301, an insulating limiting ring 302, a conductive pure copper column 303, an insulating sliding wafer 304, a compression spring 305 and a second lead 306, and the outer side of the bottom end of the insulating cylindrical shell 301 is fixedly connected with the outer side of the top end of the hollow tube 112, the outer side of one end of the second wire 306 is fixedly connected to the inner side of the top end of the hollow tube 112, the outer side of the end of the second wire 306 is fixedly connected to the outer side of the bottom end of the pure copper conductive block 114 located at the upper side, and the outer side of the top end of the conductive pure copper pillar 303 is in contact connection with the lower side of the top end of the resistor group 109.
In this embodiment: the rounded diamond stopper 107 of the resistance key assembly 1 is engaged with the rounded diamond stopper groove 202, so that the key housing 106 is prevented from rotating and is restricted from rotating by the rounded diamond stopper 107.
In an alternative embodiment, an alloy disc 102 is fixedly connected to the outer side of the left end of the key handle 101, a first alloy dustproof small disc 103 is fixedly connected to the outer side of the left end of the alloy disc 102, a first plane bearing 104 is fixedly connected to the outer side of the left end of the first alloy dustproof small disc 103, a first alloy circular plug 105 is fixedly connected to the outer side of the left end of the first plane bearing 104, a key housing 106 is fixedly connected to the outer end face of one end of the first alloy circular plug 105, rounded diamond-shaped stoppers 107 are fixedly connected to the outer sides of the upper and lower ends of the key housing 106, an insulating semi-cylindrical housing 108 is fixedly connected to the inner side of one end of the key housing 106, the left end of the insulating semi-cylindrical housing 108 is in a cylindrical setting, the right end of the insulating semi-cylindrical housing 108 is in a semi-cylindrical setting, a resistor group 109 is fixedly connected to the inner arc surface of the rear end, and the resistance values of each resistor in the resistor group 109 are different.
In this embodiment: the left end of the insulating semi-cylindrical housing 108 is cylindrically disposed so that the first coil spring 119 can be mounted.
In an alternative embodiment, a conductive connector 110 is fixedly connected to the front side of the bottom end of the resistor group 109, a first conductive wire 111 is fixedly connected to the outer side of the right end of the conductive connector 110, a hollow tube 112 is fixedly connected to the outer side of the top end of the first conductive wire 111, the outer side of the right end of the hollow tube 112 is fixedly connected to one end of the alloy disc 102 and the first alloy dustproof disc 103, the outer side of the right end of the hollow tube 112 is rotatably contacted with the inner side of one end of the first alloy disc 105, a square plug 113 is fixedly connected to the outer side of the left end of the hollow tube 112, a pure copper conductive block 114 is fixedly connected to the inner sides of the upper and lower ends of the square plug 113, the outer side of the top end of the pure copper conductive block 114 located at the lower side is fixedly connected to the outer side of the end of the first conductive wire 111, a second alloy dustproof disc 115 is fixedly connected to the outer side of the right end of the square plug 113, a central position of one end of the second alloy dustproof disc 115 is fixedly connected to the outer side of the left end of the hollow tube 112, a second flat bearing 116 is fixedly connected to the outer side of the right end of the left end of the key housing 106.
In this embodiment: the second alloy dustproof small wafer 115 is arranged to rotate relative to the key housing 106 through the second plane bearing 116, meanwhile, the first alloy dustproof small wafer 103 can rotate relative to the first alloy circular plug 105 through the first plane bearing 104, so that the first alloy dustproof small wafer 103 and the second alloy dustproof small wafer 115 can stably rotate, the hollow tube 112 can stably rotate through the first alloy dustproof small wafer 103 and the second alloy dustproof small wafer 115, and the hollow tube 112 can be limited from radial displacement.
In an alternative embodiment, an insulating round plug 117 is fixedly connected to the left inner wall surface of the insulating semi-cylindrical shell 108, a coil spring limiting shell 118 is fixedly connected to the left inner wall surface of the insulating semi-cylindrical shell 108, a first coil spring 119 is fixedly connected to the left inner wall surface of the insulating semi-cylindrical shell 108, a coil spring mounting seat 120 is fixedly connected to the end of the first coil spring 119, the inner wall surface of one end of the coil spring mounting seat 120 is fixedly connected to the left outer end surface of the hollow tube 112, a first rotation limiting blocking piece 121 is fixedly connected to the top outer side of the hollow tube 112, and the front outer side of the first rotation limiting blocking piece 121 is in contact connection with the top inner wall surface of the insulating semi-cylindrical shell 108.
In this embodiment: the rotation angle of the hollow tube 112 can be limited by the arranged first rotation limiting blocking piece 121, and the hollow tube 112 can accurately return to the initial position when rotating by the arrangement of the first rotation limiting blocking piece 121 and the contact limiting of the top end of the insulating semi-cylindrical shell 108.
In an alternative embodiment, a rounded diamond-shaped limiting groove 202 is clamped on the inner side of the right end of the lock cylinder housing 201, a second alloy round plug 203 is fixedly connected to the inner wall surface of the left end of the lock cylinder housing 201, an angle sensor 204 is fixedly connected to the outer side of the right end of the second alloy round plug 203, and one end outer side of the angle sensor 204 is fixedly connected to the inner wall surface of the left end of the lock cylinder housing 201, a plug rotating housing 205 is fixedly connected to the end of a spindle of the angle sensor 204, a rotating bearing 206 is fixedly connected to the outer end surface of one end of the plug rotating housing 205, and the outer end surface of one end of the rotating bearing 206 is fixedly connected to the inner side of the left end of the lock cylinder housing 201, a second coil spring 207 is fixedly connected to the upper side of the left end of the plug rotating housing 205, a second rotating limiting baffle 208 is fixedly connected to the left side of the top end of the second rotating baffle 208, a fixed baffle 209 is fixedly connected to the outer side of the front end of the second rotating baffle 208, and the top end outer side of the fixed baffle 209 is fixedly connected to the inner side of the left end of the lock cylinder housing 201.
In this embodiment: the connector rotates shell 205 and can drive second rotation limiting blocking piece 208 to rotate, the rotation angle of connector rotation shell 205 can be limited through the second rotation limiting blocking piece 208, and the initial position can be accurately returned when connector rotation shell 205 rotates through the cooperation of second rotation limiting blocking piece 208 and fixed stop block 209.
In an optional embodiment, the upper and lower inner sides of the plug rotation housing 205 are both provided with a bar groove 210, an inner side of one end of the bar groove 210 is provided with a pure copper elastic conductive plate 211, an outer side of one end of the pure copper elastic conductive plate 211 is fixedly connected with an inner side of one end of the plug rotation housing 205, a left outer side of the pure copper elastic conductive plate 211 is fixedly connected with a four-core wire 212, an outer side of a left end of the four-core wire 212 is in winding contact with an outer side of a spindle of the angle sensor 204, an outer side of a left end of the four-core wire 212 is fixedly connected with an inner side of a left end of the lock cylinder housing 201, the number of the four-core wires 212 is two, the four-core wires 212 located on the upper side are fixedly connected with the pure copper elastic conductive plate 211 located on the upper side, and the four-core wires 212 located on the lower side are fixedly connected with the pure copper elastic conductive plate 211 located on the lower side.
In this embodiment: the strip-shaped groove 210 can enable the pure copper elastic conducting strip 211 to freely move, and the square plug 113 can not be influenced to be inserted into the plug rotating shell 205 to be stably clamped with the plug rotating shell 205.
In an alternative embodiment, an insulating spacing collar 302 is fixedly connected to the inside of the top end of the insulating cylindrical shell 301, an inner wall surface of one end of the insulating spacing collar 302 is in sliding contact with the conductive pure copper pillar 303, an insulating sliding disk 304 is fixedly connected to the outside of the bottom end of the conductive pure copper pillar 303, an outer end surface of one end of the insulating sliding disk 304 is in sliding contact with an inner wall surface of one end of the insulating cylindrical shell 301, a compression spring 305 is fixedly connected to the outside of the bottom end of the insulating sliding disk 304, the outside of the bottom end of the compression spring 305 is fixedly connected to the inside of the bottom end of the insulating cylindrical shell 301, a second conducting wire 306 is fixedly connected to the outside of the bottom end of the conductive pure copper pillar 303, an outside of one end of the second conducting wire 306 is fixedly connected to the inside of one end of the insulating sliding disk 304, and an outside of one end of the second conducting wire 306 is fixedly connected to the inside of the bottom end of the insulating cylindrical shell 301.
In this embodiment: the compression spring 305 will always exert an upward force on the insulating sliding disk 304, so that the insulating sliding disk 304 will drive the conductive pure copper pillar 303 to move upward to stably contact with the resistor set 109.
The working principle and the using process of the invention are as follows: inserting the resistance key assembly 1 into the inner side of the lock cylinder assembly 2, inserting the key shell 106 in the resistance key assembly 1 into the inner side of the lock cylinder shell 201, correctly clamping the round-corner diamond-shaped limiting block 107 in the resistance key assembly 1 with the round-corner diamond-shaped limiting groove 202, completely inserting the square plug 113 in the resistance key assembly 1 into the plug rotating shell 205, and driving the pure copper conducting block 114 on the upper side to contact with the pure copper elastic conducting strip 211 by the square plug 113, so as to mark the upper left of the upper side of the key handle 101, so as to identify which side the resistance key assembly 1 should face upwards, then holding the key handle 101 with a hand and clockwise rotating 170 degrees, because the round-corner diamond-shaped limiting block 107 in the resistance key assembly 1 is clamped with the round-corner diamond-shaped limiting groove 202, the round-corner diamond-shaped limiting block 107 cannot rotate and can limit the key shell 106 not to rotate, the key handle 101 can drive the alloy wafer 102 to drive the first alloy dustproof small wafer 103 to rotate, so that the alloy wafer 102 and the first alloy dustproof small wafer 103 drive the hollow tube 112 to rotate 170 degrees together, the hollow tube 112 can drive the coil spring mounting seat 120 to overcome the elastic force of the first coil spring 119 to rotate, the hollow tube 112 can drive the first rotation limiting baffle 121 to rotate, the rotation angle of the hollow tube 112 can be limited through the arranged first rotation limiting baffle 121, the hollow tube 112 can accurately return to the initial position when rotating through the contact and the limitation of the arranged first rotation limiting baffle 121 and the top end of the insulating semi-cylindrical shell 108, the hollow tube 112 can drive the sliding connecting device 3, the square plug 113 and the second alloy dustproof small wafer 115 to rotate together, and the arranged second alloy dustproof small wafer 115 and the key shell 106 rotate relatively through the second plane bearing 116, meanwhile, the first alloy dustproof small wafer 103 and the first alloy circular plug 105 rotate relatively through the first plane bearing 104, so that the first alloy dustproof small wafer 103 and the second alloy dustproof small wafer 115 can rotate stably, the hollow tube 112 can rotate stably through the first alloy dustproof small wafer 103 and the second alloy dustproof small wafer 115 and can be limited from radial displacement, the square plug 113 can drive the plug rotating shell 205 to rotate against the elastic force of the second coil spring 207, the plug rotating shell 205 can drive the second rotating limiting baffle plate 208 to rotate, the rotating angle of the plug rotating shell 205 can be limited through the arranged second rotating limiting baffle plate 208, and the plug rotating shell 205 can accurately return to the initial position when rotating through the matching of the second rotating limiting baffle plate 208 and the fixed stop block 209, the plug rotating shell 205 can stably rotate through the arranged rotating bearing 206, the plug rotating shell 205 can drive the angle sensor 204 to rotate, the angle sensor 204 can detect the rotating angle of the plug rotating shell 205, the plug rotating shell 205 is clamped and contacted with the square plug 113, the plug rotating shell 205 can synchronously rotate with the square plug 113, and the part directly or indirectly fixed with the square plug 113 can synchronously rotate, so that the rotating angle of the part directly or indirectly fixed with the square plug 113 can be detected, the hollow tube 112 can drive the sliding connecting device 3 to rotate to be in sliding contact with the resistor group 109, the compression spring 305 can always apply an upward elastic force to the insulating sliding wafer 304, and the insulating sliding wafer 304 can drive the conductive pure copper column 303 to stably move upward to be in rotating contact with the resistor group 109, the upper four-core wire 212 is electrically connected with the upper pure copper elastic conductive sheet 211, the upper four-core wire 212 is communicated with an external power input end, the lower four-core wire 212 is electrically connected with the lower pure copper elastic conductive sheet 211, the lower four-core wire 212 is communicated with an external power output end, the output end needs to be connected with an external current detection device, electricity passes through the upper four-core wire 212 and sequentially passes through the upper pure copper elastic conductive sheet 211, the upper pure copper conductive block 114, the second wire 306, the conductive pure copper column 303, the resistor group 109, the conductive connector 110, the first wire 111, the lower pure copper conductive block 114, the lower pure copper elastic conductive sheet 211 and the lower four-core wire 212, and in the process that the hollow tube 112 drives the sliding connecting device 3 and the resistor group 109 to slide, the current output from the lower four-core wire 212 changes, and because the resistance values of each resistor in the resistor set 109 are different, even under the condition of rotating the hollow tube 112 at a constant speed, the current output from the lower four-core wire 212 is irregular, the angle sensor 204 is connected with an external controller, when the angle sensor 204 detects that the resistor rotates for a certain angle, the external controller controls an external current detection device to detect the value of the current output from the lower four-core wire 212 once, so that a set of current values arranged according to the rotation angle appears after the resistor key assembly 1 finishes the rotation work, the current values are compared and matched with a current value set preset in the external controller, if the current values are matched, the unlocking can be realized, and it needs to be noted that the detected current can be due to the weather, the temperature and the abrasion inside the device, the abrasion comprises abrasion of each clamping part, abrasion of a limiting part, or friction adhesion and abrasion between the resistor group 109 and the conductive pure copper column 303, and certain slight deviation can occur between a final output current value and an original current value, so that when data is compared, a certain error range is allowed between the compared value and a reserved value, after each unlocking, each current value of the unlocking needs to be added with each corresponding current value in the external controller and then divided by two, a group of new current data groups can be obtained, and the new current data groups are used as matching current data groups.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides an pickproof lock based on resistance change, includes resistance key assembly (1), its characterized in that: the resistance key assembly (1) comprises a key handle (101), an alloy disc (102), a first alloy dustproof small disc (103), a first plane bearing (104), a first alloy round plug (105), a key shell (106), a rounded diamond-shaped limiting block (107), an insulating semi-cylindrical shell (108), a resistor group (109), a conductive connector (110), a first lead (111), a hollow tube (112), a square plug-in connector (113), a pure copper conductive block (114), a second alloy dustproof small disc (115), a second plane bearing (116), an insulating round plug (117), a coil spring limiting shell (118), a first coil spring (119), a coil spring mounting seat (120) and a first rotation limiting baffle (121), wherein the outer end face of one end of the key shell (106) is in contact connection with a lock cylinder assembly (2), the lock cylinder assembly (2) comprises a lock cylinder shell (201), a rounded diamond-shaped limiting groove (202), a second alloy round plug (203), an angle sensor (204), a plug connector rotating shell (205), a rotating bearing (206), a second rotating coil spring (207), a second rotating limiting baffle (208), a second fixed copper limiting groove (209), a rectangular copper limiting baffle (210) and a copper lead (210), the inner wall surface of one end of the lock cylinder shell (201) is in contact connection with the outer end surface of one end of the key shell (106), the outer side of one end of the rounded diamond limiting block (107) is in clamping contact with the inner side of one end of the rounded diamond limiting groove (202), the outer side of one end of the square plug-in connector (113) is in clamping contact with the inner side of one end of the plug-in connector rotating shell (205), the outer side of one end of the pure copper conducting block (114) is in contact connection with the outer side of one end of the pure copper elastic conducting strip (211), the outer side of the top end of the hollow tube (112) is fixedly connected with the sliding connecting device (3), the sliding connecting device (3) comprises an insulating cylindrical shell (301), an insulating limiting ring (302), a conducting pure copper column (303), an insulating sliding wafer (304), a compression spring (305) and a second conducting wire (306), the outer side of the bottom end of the insulating cylindrical shell (301) is fixedly connected with the inner side of the top end of the hollow tube (112), the outer side of the tail end of the second conducting wire (306) is connected with the pure copper conducting block (114) and the bottom end of the conducting strip group (109 is connected with the pure copper conducting strip group;
an alloy wafer (102) is fixedly connected to the outer side of the left end of the key handle (101), a first alloy dustproof small wafer (103) is fixedly connected to the outer side of the left end of the alloy wafer (102), a first plane bearing (104) is fixedly connected to the outer side of the left end of the first alloy dustproof small wafer (103), a first alloy round plug (105) is fixedly connected to the outer side of the left end of the first plane bearing (104), a key shell (106) is fixedly connected to the outer end face of one end of the first alloy round plug (105), round-angle rhombic limiting blocks (107) are fixedly connected to the outer sides of the upper end and the lower end of the key shell (106), and an insulating semi-cylindrical shell (108) is fixedly connected to the inner side of one end of the key shell (106), and the left end of insulating semicylinder shell (108) is cylindric setting, and the right-hand member of insulating semicylinder shell (108) is the semicylinder setting, and the resistance of each resistance card in resistance piece group (109) is all inequality, the bottom front side fixedly connected with conductive joint (110) of resistance piece group (109), the right-hand member outside fixedly connected with first wire (111) of conductive joint (110), the top outside fixedly connected with hollow tube (112) of first wire (111), and the right-hand member outside of hollow tube (112) all with alloy disk (102), the one end fixed connection of first alloy small dustproof disk (103), and the right-hand member outside of hollow tube (112) and an alloy circular end cap (105) one end fixed connection of first alloy circular end cap (105) The inner sides of the two ends are in rotating contact, the outer side of the left end of the hollow pipe (112) is fixedly connected with a square plug-in connector (113), the inner sides of the upper end and the lower end of the square plug-in connector (113) are fixedly connected with pure copper conductive blocks (114), the outer side of the top end of each pure copper conductive block (114) positioned on the lower side is fixedly connected with the outer side of the tail end of the first lead (111), the outer side of the right end of the square plug-in connector (113) is fixedly connected with a second alloy dustproof small wafer (115), the central position of the inner side of one end of the second alloy dustproof small wafer (115) is fixedly connected with the outer end face of the left end of the hollow pipe (112), and the outer side of the right end of the second alloy dustproof small wafer (115) is fixedly connected with a second plane bearing (116), the outer side of the right end of the second planar bearing (116) is fixedly connected with the outer side of the left end of the key shell (106), the inner wall surface of the left end of the insulating semi-cylindrical shell (108) is fixedly connected with an insulating round plug (117), the inner wall surface of the left end of the insulating semi-cylindrical shell (108) is fixedly connected with a coil spring limiting shell (118), the inner wall surface of the left end of the insulating semi-cylindrical shell (108) is fixedly connected with a first coil spring (119), the tail end of the first coil spring (119) is fixedly connected with a coil spring mounting seat (120), the inner wall surface of one end of the coil spring mounting seat (120) is fixedly connected with the outer end surface of the left end of the hollow tube (112), and the outer side of the top end of the hollow tube (112) is fixedly connected with a first rotating limiting baffle plate (121), the outer side of the front end of the first rotary limiting baffle (121) is in contact connection with the inner wall surface of the top end of the insulating semi-cylindrical shell (108), the inner side of the right end of the lock cylinder shell (201) is clamped with a rounded diamond limiting groove (202), the inner wall surface of the left end of the lock cylinder shell (201) is fixedly connected with a second alloy round plug (203), the outer side of the right end of the second alloy round plug (203) is fixedly connected with an angle sensor (204), the outer side of one end of the angle sensor (204) is fixedly connected with the inner wall surface of the left end of the lock cylinder shell (201), the tail end of a main shaft of the angle sensor (204) is fixedly connected with a plug rotating shell (205), the outer end surface of one end of the plug rotating shell (205) is fixedly connected with a rotating bearing (206), the outer end surface of one end of the rotating bearing (206) is fixedly connected with the inner side of the left end of the lock cylinder shell (201), the upper side of the left end of the plug rotating shell (205) is fixedly connected with a second coil spring (207), the tail end of the second coil spring (207) is fixedly connected with the inner side of the left end of the plug rotating shell (208), and the front end of the plug rotating baffle (209) is fixedly connected with the front end of the plug rotating shell (209), the inner sides of the upper end and the lower end of the plug rotating shell (205) are both provided with a strip-shaped groove (210), the inner side of one end of the strip-shaped groove (210) is provided with a pure copper elastic conducting strip (211), the outer side of one end of the pure copper elastic conducting strip (211) is fixedly connected with the inner side of one end of the plug rotating shell (205), the outer side of the left end of the pure copper elastic conducting strip (211) is fixedly connected with a four-core wire (212), the outer side of the left end of the four-core wire (212) is in winding contact with the outer side of a spindle of an angle sensor (204), the outer side of the left end of the four-core wire (212) is fixedly connected with the inner side of the left end of a lock cylinder shell (201), the number of the four-core wires (212) is two, the four-core wire (212) positioned on the upper side is fixedly connected with the pure copper elastic conducting strip (211) positioned on the upper side, the four-core wire (212) positioned on the lower side is fixedly connected with the inner side of the pure copper elastic conducting strip (211) positioned on the lower side, the insulating cylinder shell (301) is fixedly connected with an insulating limiting ring (302), the sliding surface of an insulating cylinder shell (304) fixed with the sliding insulating disc, the outer side of the sliding insulating disc (304) is connected with the sliding insulating disc (304) of the sliding insulating cylinder shell (304) fixed with the sliding insulating disc, and the sliding insulating disc positioned on the sliding surface of the sliding insulating disc (304), and the bottom outside of the compression spring (305) is fixedly connected with the bottom inside of the insulating cylindrical shell (301), the bottom outside of the conductive pure copper column (303) is fixedly connected with a second lead (306), the outside of one end of the second lead (306) is fixedly connected with the inside of one end of the insulating sliding wafer (304), and the outside of one end of the second lead (306) is fixedly connected with the inside of the bottom of the insulating cylindrical shell (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110847479.2A CN113668956B (en) | 2021-07-27 | 2021-07-27 | Anti-theft lock based on resistance change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110847479.2A CN113668956B (en) | 2021-07-27 | 2021-07-27 | Anti-theft lock based on resistance change |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113668956A CN113668956A (en) | 2021-11-19 |
| CN113668956B true CN113668956B (en) | 2022-12-20 |
Family
ID=78540237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110847479.2A Active CN113668956B (en) | 2021-07-27 | 2021-07-27 | Anti-theft lock based on resistance change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113668956B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418656A (en) * | 2007-10-23 | 2009-04-29 | 陈炳辉 | Electronic lock core with clutch device and electronic lock system therewith |
| CN104405210A (en) * | 2014-12-05 | 2015-03-11 | 潘宇扬 | Resistive anti-theft lock device |
| WO2017190520A1 (en) * | 2016-05-04 | 2017-11-09 | 杰必机电配件（上海）有限公司 | Cover plate control device and automobile |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079529A (en) * | 1993-03-31 | 1993-12-15 | 姚宪成 | Lock |
| CN2583283Y (en) * | 2002-06-13 | 2003-10-29 | 北京超辰经济发展有限责任公司 | Direct plug-in noiseless lock |
| JP2005213807A (en) * | 2004-01-28 | 2005-08-11 | Miwa Lock Co Ltd | Cylinder lock |
| CN2881008Y (en) * | 2006-02-08 | 2007-03-21 | 于林睿 | Intelligent door lock |
| US20090205384A1 (en) * | 2008-02-18 | 2009-08-20 | Sandisk Il Ltd. | Electromechanical locking system |
| CN101550781B (en) * | 2009-05-11 | 2011-11-16 | 上海市第二中学 | Resistor lock |
| CN101906906B (en) * | 2010-06-25 | 2012-07-11 | 哈尔滨工程大学 | Electronic relay semiconductor automatic mechanical lock and key theftproof mechanism |
| CN202954640U (en) * | 2012-05-12 | 2013-05-29 | 肖守宇 | Optoelectronic key ring control lock |
| CN104453368B (en) * | 2013-09-12 | 2018-08-10 | 陈仁多 | Former reverse side key unlatching is counter to insure bolt door lock |
| CN103510758B (en) * | 2013-09-25 | 2015-12-16 | 北京中家智铭设计有限公司 | A kind of door lock device |
| CN104453479B (en) * | 2014-12-12 | 2016-05-25 | 国家电网公司 | For the theftproof lock of fiber cable cross connection box |
| CN204355144U (en) * | 2014-12-22 | 2015-05-27 | 长安大学 | A kind of corner of vehicle steering wheel sensor |
| CN206753249U (en) * | 2016-12-30 | 2017-12-15 | 泉州信息工程学院 | A kind of lockhole anti-theft acousto-optic warning device based on 3D printing technique |
| CN108225171A (en) * | 2017-12-12 | 2018-06-29 | 珠海优特电力科技股份有限公司 | Angle detection device, tripper and key |
| CN108454740A (en) * | 2018-04-25 | 2018-08-28 | 河北工业大学 | A kind of detection control apparatus of shared bicycle |
| CN109779410B (en) * | 2018-12-18 | 2020-11-27 | 叶承欣 | Door lock |
| CN211622991U (en) * | 2019-11-11 | 2020-10-02 | 深圳市华控智能电子科技有限公司 | Zipper fingerprint lock |
| CN111691752A (en) * | 2020-06-19 | 2020-09-22 | 广州蓝鹏创新科技有限公司 | Intelligent anti-theft door lock cylinder assembly in field of Internet of things |
-
2021
- 2021-07-27 CN CN202110847479.2A patent/CN113668956B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418656A (en) * | 2007-10-23 | 2009-04-29 | 陈炳辉 | Electronic lock core with clutch device and electronic lock system therewith |
| CN104405210A (en) * | 2014-12-05 | 2015-03-11 | 潘宇扬 | Resistive anti-theft lock device |
| WO2017190520A1 (en) * | 2016-05-04 | 2017-11-09 | 杰必机电配件（上海）有限公司 | Cover plate control device and automobile |
Non-Patent Citations (1)
| Title |
|---|
| 泰科积极拓展可恢复型电路保护器件市场;徐俊毅;《电子与电脑》;20070515(第05期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113668956A (en) | 2021-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113668956B (en) | Anti-theft lock based on resistance change | |
| CN204330959U (en) | A kind of commutator resistance test mechanism | |
| CN104184010B (en) | A kind of Universal socket with any spinfunction of jack | |
| CN106935343B (en) | Rotary variable resistor | |
| CN104810186A (en) | Moving contact unit and three-position switch with moving contact unit | |
| CN204301682U (en) | Anglec of rotation checkout equipment and intelligent terminal | |
| CN113668955B (en) | Anti-theft lock based on resistance change | |
| CN209880890U (en) | Current signal transmission device | |
| CN110224261B (en) | Socket of protection against electric shock | |
| CN208833871U (en) | A kind of insulating properties detection system of industry adhesive article | |
| CN204103201U (en) | A kind of Universal socket with any spinfunction of jack | |
| CN207395764U (en) | A kind of rotational position sensor | |
| CN203859363U (en) | Power plug capable of rotating for 360 degrees and power socket thereof | |
| CN215116563U (en) | Elevator door lock detection device | |
| CN216052094U (en) | Power battery system tests insulating auxiliary device fast | |
| CN205318948U (en) | Rotary type variable resistor | |
| CN204187572U (en) | Rotatable lamp holder switch | |
| CN206639666U (en) | A kind of potentiometer with switch | |
| CN206961613U (en) | A kind of Novel potentiometer | |
| CN211655266U (en) | Adapter with movable interface | |
| CN220209567U (en) | Charging wire with multiple interfaces | |
| CN220568853U (en) | Flashboard voltage detection device | |
| CN210379704U (en) | Rotary transduction electric connection structure | |
| CN201937139U (en) | Wiring board using rotary jack | |
| CN100358189C (en) | Rotary socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221201 Address after: Room 4874, Building 3, No. 3, Xijing Road, Badachu High tech Park, Shijingshan District, Beijing 100041 Applicant after: Beijing Zhisheng Vision Technology Co.,Ltd. Address before: No. 201, Peigong Avenue, Duodao District, Jingmen City, Hubei Province Applicant before: Guo Pengzhao |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |