CN216076706U - RFID anti-tampering electronic lock - Google Patents
RFID anti-tampering electronic lock Download PDFInfo
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- CN216076706U CN216076706U CN202121305086.0U CN202121305086U CN216076706U CN 216076706 U CN216076706 U CN 216076706U CN 202121305086 U CN202121305086 U CN 202121305086U CN 216076706 U CN216076706 U CN 216076706U
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Abstract
The utility model discloses an RFID anti-tamper electronic lock, which comprises: the inner box, the inner box cover, the metal lock body, the metal lock core, the metal lock rope and the RFID circuit board; a first channel and a second channel are arranged in the metal lock body, a groove body for accommodating the metal lock cylinder is arranged between the two channels, and a cylindrical insulating sleeve is arranged in the first channel; the metal locking rope comprises a steel wire rope and a corrugated pipe, the tail end of the corrugated pipe is fixed in the cylindrical insulating sleeve, the steel wire rope is arranged in the corrugated pipe, the rear end of the steel wire rope penetrates out of the corrugated pipe and is sleeved with a pressure spring, the rivet insulating sleeve is arranged outside the pressure spring, a rivet is riveted at the rear end of the steel wire rope, and the pressure spring is in a compressed state between the cylindrical insulating sleeve and the rivet insulating sleeve; two contacts are arranged on the RFID circuit board, the rear end of the metal lock rope and the metal lock body are respectively contacted with the two contacts through two tower springs, the front end of the metal lock rope extends into the second channel and is locked with the metal lock cylinder, and the two contacts are communicated with each other through a circuit. The inner box and the rivet insulating sleeve are provided with bosses, and the two bosses can be clamped tightly during seal breaking to prevent a circuit from being restored to a path by manually pulling a locking rope.
Description
Technical Field
The utility model belongs to the technical field of electronic locks, and relates to an RFID anti-tampering electronic lock.
Background
The length of the existing rigid connection type electronic lock cannot be adjusted, and the existing rigid connection type electronic lock cannot be applied to certain occasions needing sealing, so that the sealing is difficult. And the circuits before and after blocking are in a channel state, and the safety state of the circuits cannot be judged. And current bellows electronic lock, though can adjust length as required, and the state information that reads through the terminal before blockading can change, nevertheless suffers the back when the tool to lock and destroys, when the metal lock rope disconnection, still can make the circuit resume the route through artificially pulling to draw the lock rope and overlap joint lock rope, and then change the state information that the terminal read, lead to unable judgement suffer to break and seal, have the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, an object of the present invention is to provide an RFID tamper-resistant electronic lock, which cannot restore a circuit by pulling a lock rope when a metal lock rope is broken, thereby preventing the state information of the electronic lock from being tampered with manually.
The utility model discloses an RFID anti-tamper electronic lock, which comprises: the inner box, the inner box cover, the metal lock body, the metal lock core, the metal lock rope and the RFID circuit board; a first channel and a second channel are arranged on two sides in the metal lock body, a groove body for accommodating the metal lock cylinder is arranged in the middle of the metal lock body, a cylindrical insulating sleeve is arranged in the first channel, an outer edge is arranged at one end of the cylindrical insulating sleeve, and the outer edge is clamped outside the first channel; the metal locking rope comprises: the tail end of the corrugated pipe is fixed in the cylindrical insulating sleeve to realize insulation with the metal lock body, the steel wire rope penetrates through the corrugated pipe, the front end of the steel wire rope is fixedly connected with the inserting core, the rear end of the steel wire rope penetrates out of the tail end of the corrugated pipe and then is sleeved with a pressure spring, the rivet insulating sleeve is sleeved outside the pressure spring, the rear end of the steel wire rope is riveted with a rivet, and the pressure spring is in a compressed state between the outer edge of the cylindrical insulating sleeve and the rivet insulating sleeve; the inner box is internally provided with a lock body groove and a sliding groove, the metal lock body is arranged in the lock body groove, the rivet insulation sleeve is positioned in the sliding groove, the bottom of the rivet insulation sleeve is provided with a first boss, the tail end of the sliding groove is provided with a second boss, and the first boss and the second boss are matched and clamped when the rivet insulation sleeve slides to the tail end of the sliding groove; the RFID circuit board is fixed on the inner box cover, a first contact and a second contact are arranged on the RFID circuit board, a rivet at the rear end of the metal lock rope is in contact with the first contact through a first tower spring, a pressing block is arranged in the lock body groove, and the metal lock body is in contact with the second contact through a second tower spring and is fixed through the pressing block; the insert at the front end of the metal lock rope extends into the second channel and then is matched and locked with the metal lock core, and the circuit between the first contact and the second contact is communicated; the inner box is provided with an inner box opening at the position corresponding to the first channel and the second channel.
In the RFID anti-tampering electronic lock, the metal lock cylinder is internally provided with a chute and a round hole which are mutually communicated, the round hole is internally provided with a spring, the chute is internally provided with a clamping wheel, a communication hole is formed between the chute and the second channel, and the spring pushes out the clamping wheel from the communication hole into the second channel; when the inserting core extends into the second channel, the clamping wheel is pushed back into the chute and slides along the chute to compress the spring, and the clamping wheel clamps the corrugated pipe under the action of the tension of the spring.
In the RFID tamper-resistant electronic lock of the present invention, the RFID circuit board includes: the RFID chip receives the first trigger signal and modifies state information according to the first trigger signal; the tool to lock suffers destruction metal lock rope disconnection, pressure spring and rivet insulating cover are flicked along the spout, the first boss of rivet insulating cover bottom and the cooperation chucking of second boss in the spout, and the rivet can't reset after separating with first tower spring, and first contact and second contact disconnection, trigger circuit send the second trigger signal, and the RFID chip receives the second trigger signal and revises state information once more according to the second trigger signal.
In the RFID anti-tampering electronic lock, one end of the pressing block is provided with a pressing plate, the pressing plate is pressed against the metal lock body, the pressing plate is provided with a tower spring hole, and the second tower spring is arranged in the spring hole.
In the RFID anti-tampering electronic lock, the inner side of the inner box cover is provided with the clamping groove and the upright post, the RFID circuit board is arranged in the clamping groove, the RFID circuit board is provided with the through hole, and the upright post penetrates into the through hole to prevent the RFID circuit board from moving.
In the RFID anti-tampering electronic lock, the front end of the inner box is provided with an inner box opening at the position corresponding to the first channel and the second channel, and the rear end of the inner box is provided with an opening for the front end of the metal locking rope to extend out.
In the RFID anti-tampering electronic lock, the electronic lock is provided with the outer sleeve and the sealing cover, the inner box is arranged in the outer sleeve and is sealed by the sealing cover, the front end of the outer sleeve, corresponding to the first channel and the second channel, is provided with the cylindrical opening, the waterproof rubber sleeve is arranged in the cylindrical opening, and the rear end of the outer sleeve is provided with the opening for the front end of the metal lock rope to extend out.
According to the RFID anti-tampering electronic lock, when the lock is damaged: the metal lock rope is disconnected, the pressure spring and the rivet insulation sleeve are bounced off along the sliding groove, the first boss at the bottom of the rivet insulation sleeve is matched and clamped with the second boss in the sliding groove, the first contact and the second contact are disconnected, the trigger circuit sends out a second trigger signal to modify state information, and when the information of the RFID chip is read through the terminal card reader, the state information is 0, and the card reader displays a red abnormal state. At the moment, the rivet insulation sleeve is tightly clamped in the inner box and cannot be manually pulled to reset the pressure spring and the rivet insulation sleeve, even if the disconnected metal lock ropes are connected together, the first contact and the second contact cannot be connected again, the screen of the recognizer still displays red, and the alarm display is broken. The electronic lock has higher safety, anti-counterfeiting performance and anti-tampering function through mechanical design and circuit matching. Meanwhile, the ultrahigh frequency chip is adopted, so that the identification distance is long. Can replace a rigid lock, and has wide application range.
Drawings
FIG. 1 is an exploded view of an RFID tamper resistant electronic lock of the present invention;
FIG. 2 is a front cross-sectional view of an RFID tamper resistant electronic lock of the present invention;
FIG. 3 is a side cross-sectional view of an RFID tamper resistant electronic lock of the present invention;
FIG. 4 is a schematic structural view of the inner case;
FIG. 5 is a schematic view of the structure of the rivet insulating sleeve.
1-inserting core, 2-steel wire rope, 3-corrugated pipe, 4-outer sleeve, 5-waterproof rubber sleeve, 6-metal lock core, 7-clamping wheel, 8-spring, 9-metal lock body, 10-cylindrical insulating sleeve, 101-outer edge, 11-inner box, 111-lock body groove, 112-sliding groove, 113-second boss, 114-inner box opening, 12-pressure spring, 13-rivet insulating sleeve, 131-first boss, 14-rivet, 15-pressing block, 151-pressing plate, 161-first tower spring, 162-second tower spring, 17-RFID circuit board, 18-inner box cover and 19-sealing cover.
Detailed Description
As shown in fig. 1 to 3, an RFID tamper-resistant electronic lock of the present invention includes: inner box 11, inner box cover 18, metal lock body 9, metal lock core 6, metal lock rope and RFID circuit board 17.
The metal lock body 9 is characterized in that a first channel and a second channel are arranged on two sides inside the metal lock body 9, a groove body for accommodating the metal lock cylinder 6 is arranged in the middle of the metal lock body, a cylindrical insulating sleeve 10 is arranged in the first channel, an outer edge 101 is arranged at one end of the cylindrical insulating sleeve 10, and the outer edge 101 is clamped outside the first channel. The metal locking rope comprises: wire rope 2 and bellows 3, 3 end fixes in order to realize insulating with metal lock body 9 in the cylinder insulating cover 10 of bellows, wire rope 2 wears to locate in the bellows 3, wire rope 2 front end and lock pin 1 fixed connection, the rear end is worn out the back cover from 3 ends of bellows and is established pressure spring 12, rivet insulating cover 13 is established to pressure spring 12 overcoat, wire rope 2 rear end and rivet 14 riveting, pressure spring 12 is in the compression state between the outer fringe of cylinder insulating cover 10 and rivet insulating cover 13.
As shown in fig. 4 and 5, a lock body slot 111 and a sliding slot 112 are formed in the inner box 11, the metal lock body 9 is disposed in the lock body slot 111, the rivet insulating sleeve 13 is located in the sliding slot 112, a first boss 131 is disposed at the bottom of the rivet insulating sleeve 13, a second boss 113 is disposed at the end of the sliding slot 112, and when the rivet insulating sleeve 13 slides to the end of the sliding slot 112, the first boss 131 and the second boss 113 are tightly engaged with each other. The RFID circuit board 17 is fixed on the inner box cover 18, a first contact and a second contact are arranged on the RFID circuit board 17, the rivet 14 at the rear end of the metal lock rope is in contact with the first contact through a first tower spring 161, a pressing block 15 is arranged in the lock body groove 111, and the metal lock body 9 is in contact with the second contact through a second tower spring 162 and is fixed through the pressing block 15. The insert 1 at the front end of the metal lock rope extends into the second channel and then is matched and locked with the metal lock core 6, and the circuit between the first contact and the second contact is communicated; the inner case 11 is provided with an inner case opening 114 at a position corresponding to the first passage and the second passage.
The metal lock core 6 is internally provided with a chute and a round hole which are communicated with each other, the round hole is internally provided with a spring 8, the chute is internally provided with a clamping wheel 7, a communicating hole is arranged between the chute and the second channel, and the spring 8 ejects the clamping wheel 7 out of the communicating hole and presses the clamping wheel into the second channel. When the inserting core 1 extends into the second channel, the clamping wheel 7 is pushed back into the chute and slides along the chute to compress the spring 8, and the clamping wheel 7 clamps the corrugated pipe 2 under the tension of the spring 8.
The RFID circuit board 17 includes: the RFID chip, the antenna and the trigger circuit are connected with the RFID chip, the first contact and the second contact are arranged on the trigger circuit, when the first contact and the second contact are disconnected, the state information of the RFID chip is 0, the trigger circuit is switched on and sends a first trigger signal after the first contact and the second contact are switched on, and the RFID chip receives the first trigger signal and modifies the state information into 1 according to the first trigger signal. When the lockset is damaged and the metal lock rope is disconnected, the pressure spring 12 and the rivet insulating sleeve 13 are bounced open along the sliding groove, and the first boss 131 at the bottom of the rivet insulating sleeve 13 is matched and clamped with the second boss 113 in the sliding groove, so that the rivet 14 can not be reset by artificial pulling after being separated from the first tower spring 161, and the state information of the electronic lock can not be artificially tampered. The first contact and the second contact are disconnected, the trigger circuit sends out a second trigger signal, and the RFID chip receives the second trigger signal and modifies the state information again according to the second trigger signal.
In specific implementation, a pressing plate 151 is arranged at one end of the pressing block 15, the pressing plate 151 is pressed against the metal lock body 9, a tower spring hole is formed in the pressing plate 151, and the second tower spring 162 is arranged in the tower spring hole.
During specific implementation, the inner side of the inner box cover 18 is provided with a clamping groove and an upright post, the RFID circuit board 17 is arranged in the clamping groove, the RFID circuit board 17 is provided with a through hole, and the upright post penetrates into the through hole to prevent displacement of the RFID circuit board 17.
As shown in fig. 4, the front end of the inner box 11 is provided with an inner box opening 114 at a position corresponding to the first channel and the second channel, and the rear end of the inner box is provided with an opening for the front end of the metal locking rope to extend out.
During specific implementation, the electronic lock is provided with an outer sleeve 4 and a sealing cover 19, the inner box 11 is arranged in the outer sleeve 4 and is sealed through the sealing cover 19, the front end of the outer sleeve 4 is provided with a cylindrical opening 41 at a position corresponding to the first channel and the second channel, a waterproof rubber sleeve 5 is arranged in the cylindrical opening 41, and the rear end of the outer sleeve 4 is provided with an opening for extending the front end of the metal lock rope.
Example (b):
(1) before box sealing: the first contact and the second contact are in a disconnected state, when the information of the RFID chip is read through the terminal card reader, the state information is 0, and the card reader displays a red abnormal state.
(2) After the box is sealed: the insert 1 of the metal lock rope extends into the second channel and then is matched and locked with the metal lock cylinder 6, the first contact is communicated with the second contact, the trigger circuit sends out a first trigger signal, the RFID chip modifies state information according to the first trigger signal, when the information of the RFID chip is read through the terminal card reader, the state information is 1, and the card reader displays a green normal state.
(3) After the tool to lock suffers destruction: the metal lock rope is disconnected, the pressure spring 12 and the rivet insulation sleeve 13 are bounced off along the sliding groove, the first boss 131 at the bottom of the rivet insulation sleeve 13 is tightly matched with the second boss 113 in the sliding groove, so that the first contact and the second contact are disconnected, the trigger circuit sends a second trigger signal, state information is modified again, at the moment, when the information of the RFID chip is read through the terminal card reader, the state information is 0, and the card reader displays a red abnormal state. At the moment, the rivet insulating sleeve 13 is tightly clamped in the inner box, so that the pressure spring 12 and the rivet insulating sleeve 13 cannot be reset through artificial pulling, even if the disconnected metal lock ropes are connected together, the first contact and the second contact cannot be connected again, the screen of the recognizer still displays red, and the alarm display is broken.
The electronic lock can be used for safety supervision by the movement of all substances and the movement of various containers. The box sealing and clearance inspection of various containers in various logistics and storage modes has the key elements of safety identification and quick clearance. The matching effect is more suitable for large-scale networked and digitalized logistics and storage. The supervisor only needs to hold the recognizer by hand, and can scan and recognize the relevant information stored in the chip in the lock within ten meters of the lock. And can immediately determine whether the lock is in a secure state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined by the appended claims.
Claims (7)
1. An RFID tamper-resistant electronic lock, comprising: the inner box, the inner box cover, the metal lock body, the metal lock core, the metal lock rope and the RFID circuit board;
a first channel and a second channel are arranged on two sides in the metal lock body, a groove body for accommodating the metal lock cylinder is arranged in the middle of the metal lock body, a cylindrical insulating sleeve is arranged in the first channel, an outer edge is arranged at one end of the cylindrical insulating sleeve, and the outer edge is clamped outside the first channel; the metal locking rope comprises: the tail end of the corrugated pipe is fixed in the cylindrical insulating sleeve to realize insulation with the metal lock body, the steel wire rope penetrates through the corrugated pipe, the front end of the steel wire rope is fixedly connected with the inserting core, the rear end of the steel wire rope penetrates out of the tail end of the corrugated pipe and then is sleeved with a pressure spring, the rivet insulating sleeve is sleeved outside the pressure spring, the rear end of the steel wire rope is riveted with a rivet, and the pressure spring is in a compressed state between the outer edge of the cylindrical insulating sleeve and the rivet insulating sleeve;
the inner box is internally provided with a lock body groove and a sliding groove, the metal lock body is arranged in the lock body groove, the rivet insulation sleeve is positioned in the sliding groove, the bottom of the rivet insulation sleeve is provided with a first boss, the tail end of the sliding groove is provided with a second boss, and the first boss and the second boss are matched and clamped when the rivet insulation sleeve slides to the tail end of the sliding groove; the RFID circuit board is fixed on the inner box cover, a first contact and a second contact are arranged on the RFID circuit board, a rivet at the rear end of the metal lock rope is in contact with the first contact through a first tower spring, a pressing block is arranged in the lock body groove, and the metal lock body is in contact with the second contact through a second tower spring and is fixed through the pressing block; the insert at the front end of the metal lock rope extends into the second channel and then is matched and locked with the metal lock core, and the circuit between the first contact and the second contact is communicated; the inner box is provided with an inner box opening at the position corresponding to the first channel and the second channel.
2. The RFID tamper-resistant electronic lock as claimed in claim 1, wherein the metal lock cylinder is provided with a chute and a round hole which are communicated with each other, the round hole is provided with a spring, the chute is provided with a clamping wheel, a communication hole is formed between the chute and the second channel, and the spring pushes the clamping wheel out of the communication hole into the second channel; when the inserting core extends into the second channel, the clamping wheel is pushed back into the chute and slides along the chute to compress the spring, and the clamping wheel clamps the corrugated pipe under the action of the tension of the spring.
3. The RFID tamper-resistant electronic lock of claim 1, wherein the RFID circuit board comprises: the RFID chip receives the first trigger signal and modifies state information according to the first trigger signal;
the tool to lock suffers destruction metal lock rope disconnection, pressure spring and rivet insulating cover are flicked along the spout, the first boss of rivet insulating cover bottom and the cooperation chucking of second boss in the spout, and the rivet can't reset after separating with first tower spring, and first contact and second contact disconnection, trigger circuit send the second trigger signal, and the RFID chip receives the second trigger signal and revises state information once more according to the second trigger signal.
4. The RFID tamper-resistant electronic lock of claim 1, wherein the pressing block has a pressing plate at one end thereof, the pressing plate is pressed against the metal lock body, the pressing plate has a hole for the spring, and the second spring is disposed in the hole for the spring.
5. The RFID anti-tamper electronic lock according to claim 1, wherein a slot and a post are disposed on an inner side of the inner box cover, the RFID circuit board is disposed in the slot, a through hole is disposed on the RFID circuit board, and the post penetrates into the through hole to prevent the RFID circuit board from being displaced.
6. The RFID tamper-resistant electronic lock of claim 1, wherein the inner case has an inner case opening at a front end thereof corresponding to the first passage and the second passage, and an opening at a rear end thereof through which the front end of the metal locking cord extends.
7. The RFID tamper-resistant electronic lock of claim 1, wherein the electronic lock is provided with an outer casing and a cover, the inner case is disposed in the outer casing and is closed by the cover, a cylindrical opening is provided at a front end of the outer casing corresponding to the first passage and the second passage, a waterproof rubber sleeve is provided in the cylindrical opening, and an opening for extending a front end of the metal lock cord is provided at a rear end of the outer casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121305086.0U CN216076706U (en) | 2021-06-11 | 2021-06-11 | RFID anti-tampering electronic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121305086.0U CN216076706U (en) | 2021-06-11 | 2021-06-11 | RFID anti-tampering electronic lock |
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| Publication Number | Publication Date |
|---|---|
| CN216076706U true CN216076706U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121305086.0U Active CN216076706U (en) | 2021-06-11 | 2021-06-11 | RFID anti-tampering electronic lock |
Country Status (1)
| Country | Link |
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| CN (1) | CN216076706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783131A (en) * | 2022-06-17 | 2022-07-22 | 卧安科技(深圳)有限公司 | Intelligent door lock keyboard and anti-disassembly alarm method and device of intelligent device |
-
2021
- 2021-06-11 CN CN202121305086.0U patent/CN216076706U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783131A (en) * | 2022-06-17 | 2022-07-22 | 卧安科技(深圳)有限公司 | Intelligent door lock keyboard and anti-disassembly alarm method and device of intelligent device |
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