CN211369880U - Intelligent passive inspection lock management system - Google Patents
Intelligent passive inspection lock management system Download PDFInfo
- Publication number
- CN211369880U CN211369880U CN201922248383.5U CN201922248383U CN211369880U CN 211369880 U CN211369880 U CN 211369880U CN 201922248383 U CN201922248383 U CN 201922248383U CN 211369880 U CN211369880 U CN 211369880U
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- lock
- nfc chip
- cylindrical
- groove
- key
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Abstract
The utility model discloses a lock management system is patrolled and examined to intelligence passive, including the tool to lock, the tool to lock includes lock body, U-shaped locking lever, base, lock core, first NFC chip, cylindrical electromagnet, transmission seat and spring bolt, the inside of lock body has the cavity, U-shaped locking lever movable mounting be in on the roof of lock body, just U-shaped locking lever one end activity runs through the fixed plate setting. The utility model has the advantages of both traditional locks and electronic locks, thus simplifying the operation of the locks, almost being compatible with all locks of the same kind in the current market, and simultaneously freely matching unlocking authorities according to the management requirements after installation and setting; utilize first NFC chip to realize that the electron encrypts verification technique, can't be duplicated for this tool to lock is safe and reliable more than traditional tool to lock, has more the advantage, and the power of power supply need not installed to the inside of tool to lock, thereby makes this tool to lock applicable in various environment.
Description
Technical Field
The utility model relates to an electronic lock technical field specifically is a lock management system is patrolled and examined to intelligence passive.
Background
The lock is a sealing device, which includes lock, key and its accessories, and is generally explained as "sealing device which can be opened by key", at present, besides the lock can be opened by key, it can also be opened by light, electricity, magnetism, sound and fingerprint, etc. The lockset not only is a protective article, but also has the functions of management and decoration. There is also a etiquette in international correspondence, presenting a symbolic "key" as an indication of friendship.
The traditional lockset has certain advantages, but does not have the advantages of an electronic lock and cannot freely match unlocking authorities according to management requirements after installation and setting; in addition, although the conventional electronic lock has certain advantages, the conventional electronic lock needs a power supply for supplying power to the lock, so that the conventional electronic lock cannot be applied to various environments.
Therefore, an intelligent passive inspection lock management system is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an intelligence passive lock management system that patrols and examines, set up first NFC chip, cylindrical electromagnet in the inside of lock body, kept traditional U-shaped locking lever, lock core, transmission seat, spring bolt, second spring, lock post and round pin post simultaneously, thereby make this tool to lock have the advantage of traditional tool to lock, possess the advantage of electronic lock again, and then make this tool to lock easy operation, almost can be compatible with all locks of the same kind in the existing market, can freely match the permission of unblanking according to the management demand after the installation sets up simultaneously; utilize first NFC chip to realize that electron encryption verifies the technique, can't be duplicated for this tool to lock is safe and reliable more than traditional tool to lock, has more the advantage, and the power of power supply need not installed to the inside of tool to lock, thereby makes this tool to lock applicable in various environment, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an intelligent passive inspection lock management system comprises a lock, wherein the lock comprises a lock body, a U-shaped lock rod, a base, a lock cylinder, a first NFC chip, a cylindrical electromagnet, a transmission seat and a lock tongue, a cavity is arranged in the lock body, the U-shaped lock rod is movably arranged on the top wall of the lock body, one end of the U-shaped lock rod movably penetrates through a fixing plate, the fixing plate is fixedly arranged on the inner side wall of the lock body, a first stop block is fixedly arranged at the end part, penetrating through the fixing plate, of the U-shaped lock rod, the first stop block is positioned below the fixing plate, a second stop block is fixedly sleeved on the U-shaped lock rod and positioned between the upper part of the fixing plate and the inner top wall of the lock body, a first spring is movably sleeved on the U-shaped lock rod and abutted against the second stop block and the fixing plate, the U-shaped lock rod is provided with a lock groove at a position close to the other end of the U-shaped lock rod, the base is fixedly arranged on the upper portion of the inner bottom wall of the lock body, the base is internally provided with a cylindrical mounting groove, a lock column is movably arranged in the cylindrical mounting groove through a second spring, the lock cylinder is rotatably arranged in the base, a pin column with one end abutting against the lock column is movably arranged in the lock cylinder, a jack is reserved in the lock cylinder, the other end of the pin column extends into the jack, the first NFC chip is fixedly arranged in the base, the cylindrical electromagnet is rotatably arranged in the base, the cylindrical electromagnet is fixedly connected with one end, facing the top wall of the lock body, of the lock cylinder, and is electrically connected with the first NFC chip, and the transmission seat is rotatably arranged on the top wall in the lock body through an assembly seat, just the bottom of driving seat with the upper end of cylindrical electromagnet is inconsistent, the cooperation groove has still been seted up to the inside of driving seat, the inside in cooperation groove has the guide block through third spring movable mounting, the one end card of spring bolt is gone into the inside of locked groove, just the other end of spring bolt stretches into the inside in cooperation groove and with guide block fixed connection.
Preferably, the passive lock management system that patrols and examines of intelligence still includes the key, the key includes the key casing, the inside fixed mounting of key casing has mutual electric connection's treater and second NFC chip, just the inside demountable installation of key casing has the battery, the battery with treater electric connection, the one end fixing of key casing is equipped with the mount pad, the mount pad dorsad the one end fixed mounting of key casing has the inserted sheet, seted up on the inserted sheet with round pin post matched with breach, the treater passes through the second NFC chip with first NFC chip pair with cylindrical electromagnet electric connection.
Preferably, the bottom of the lock body is located the periphery of lock core is equipped with two ring electrodes, two ring electrodes respectively with first NFC chip with cylindrical electromagnet electric connection, the mount pad is dorsad the one end tip of key casing is equipped with two lug formula electrodes, two lug formula electrode with battery electric connection, and two the position of lug formula electrode and two the position of ring electrode sets up correspondingly.
Preferably, the other end of the key shell is fixedly provided with a hanging lug, and a hanging hole is formed in the hanging lug.
Preferably, the cylindrical mounting groove, the second spring, the lock cylinder and the pin cylinder are all provided with two, the length of the second spring is different, the length of the lock cylinder is different, and the length of the pin cylinder is different.
Preferably, the upper part of the assembling seat is also fixedly provided with a cylindrical boss, a torsion spring is fixedly sleeved outside the cylindrical boss, two ends of the torsion spring are fixed on the inner wall of a limiting groove, and the limiting groove is formed in the top wall of the lock body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a lock, set up first NFC chip, cylindrical electro-magnet in the inside of lock body, retained traditional U-shaped locking lever, lock core, driving seat, spring bolt, second spring, lock post and round pin post simultaneously to make this lock not only possess the advantage of traditional tool to lock, but also possess the advantage of electronic lock, and then make this lock easy operation, almost can be compatible with all locks of the same kind in present market, can freely match the permission of unblanking according to the management demand after the installation sets up simultaneously; the electronic encryption verification technology can be realized by utilizing the first NFC chip, and the first NFC chip cannot be copied, so that the lockset is safer and more reliable than the traditional lockset;
2. the utility model provides a key, the inside fixed mounting of key casing has the treater and the second NFC chip of mutual electric connection and demountable installation has the battery, and battery and treater electric connection, thereby make this key must under the successful condition of pairing of second NFC chip and first NFC chip, the circular column electro-magnet circular telegram of treater just steerable, insert the inserted sheet this moment in the jack and rotate the lock core and drive the circular column electro-magnet and rotate, circular column electro-magnet circular telegram has strong magnetism, circular column electro-magnet utilizes strong magnetism to drive the transmission seat to rotate, the transmission seat drives the spring bolt and breaks away from the locked groove, at this moment under the effect of first spring, the one end that the U-shaped locking lever has the locked groove can pop out automatically and realize the purpose of unblanking; thereby the utility model is safer and more reliable than the traditional lock;
3. the utility model discloses, the periphery that is located the lock core in the bottom of lock body is equipped with two ring electrode, and two ring electrode respectively with first NFC chip and cylindrical electromagnet electric connection, the one end tip of key casing is equipped with two lug formula electrodes dorsad at the mount pad, and two lug formula electrodes and battery electric connection, the position of two lug formula electrodes simultaneously and the corresponding setting in position of two ring electrode, when inserting the tool to lock inside like this, the battery can cooperate to supply power for first NFC chip and cylindrical electromagnet through two ring electrode and two lug formula electrode phase, this power that does not need the installation power supply in the inside of tool to lock just makes, thereby make this applicable in various environment of tool to lock, have more the advantage than traditional electronic lock.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent passive patrol lock management system according to an embodiment;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is a schematic diagram of a lock according to an embodiment;
FIG. 4 is a schematic view of another perspective of an embodiment of a lock;
FIG. 5 is an enlarged schematic view of the detail view B of FIG. 4;
fig. 6 is a schematic structural view of a key according to an embodiment.
In the figure: 1. a lock body; 2. a U-shaped lock lever; 3. a third spring; 4. assembling the groove; 5. a guide block; 6. a latch bolt; 7. locking the groove; 8. a second stopper; 9. a first spring; 10. a fixing plate; 11. a base; 12. a lock cylinder; 13. a transmission seat; 14. assembling a base; 15. a cylindrical electromagnet; 16. a cylindrical mounting groove; 17. a second spring; 18. a lock cylinder; 19. a pin; 20. inserting sheets; 21. a ring electrode; 22. a bump type electrode; 23. a key housing; 24. a processor; 25. a second NFC chip; 26. a battery; 27. a mounting seat; 28. hanging a lug; 29. hanging holes; 30. a notch; 31. a jack; 32. a limiting groove; 33. a cylindrical boss; 34. a torsion spring; 35. a first NFC chip; 36. a first stop.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a passive lock management system that patrols and examines of intelligence, as shown in figures 1-5, including the tool to lock, the tool to lock includes lock body 1, U-shaped locking lever 2, base 11, lock core 12, first NFC chip 35, cylindrical electromagnet 15, driving seat 13 and spring bolt 6, the inside of lock body 1 has the cavity, 2 movable mounting of U-shaped locking lever are in on the roof of lock body 1, and 2 one end activities of U-shaped locking lever run through fixed plate 10 and set up, fixed plate 10 fixed mounting is in on the inside wall of lock body 1, U-shaped locking lever 2 runs through the one end fixed mounting of fixed plate 10 has first dog 36, first dog 36 is located the below of fixed plate 10, the fixed cover is equipped with second dog 8 still on U-shaped locking lever 2, second dog 8 is located the top of fixed plate 10 with between the interior roof of lock body 1, the U-shaped lock rod 2 is movably sleeved with a first spring 9, the first spring 9 is abutted between the second stop block 8 and the fixing plate 10, a locking groove 7 is formed in the position, close to the other end, of the U-shaped lock rod 2, the base 11 is fixedly installed on the upper portion of the inner bottom wall of the lock body 1, a cylindrical installation groove 16 is formed in the base 11, a lock column 18 is movably installed in the cylindrical installation groove 16 through a second spring 17, the lock cylinder 12 is rotatably installed in the base 11, a pin column 19 with one end abutting against the lock column 18 is movably installed in the lock cylinder 12, a jack 31 is reserved in the lock cylinder 12, the other end of the pin column 19 extends into the jack 31, the first NFC chip 35 is fixedly installed in the base 11, and the cylindrical electromagnet 15 is rotatably installed in the base 11, the cylindrical electromagnet 15 is fixedly connected with one end, facing the top wall of the lock body 1, of the lock cylinder 12, the cylindrical electromagnet 15 is electrically connected with the first NFC chip 35, the transmission seat 13 is rotatably installed on the top wall in the lock body 1 through the assembling seat 14, the bottom end of the transmission seat 13 is abutted to the upper end of the cylindrical electromagnet 15, the assembling groove 4 is further formed in the transmission seat 13, the guide block 5 is movably installed in the assembling groove 4 through the third spring 3, one end of the lock tongue 6 is clamped into the locking groove 7, and the other end of the lock tongue 6 extends into the assembling groove 4 and is fixedly connected with the guide block 5.
By adopting the technical scheme, the first NFC chip 35 and the cylindrical electromagnet 15 are arranged in the lock body 1, and meanwhile, the traditional U-shaped lock rod 2, the lock cylinder 12, the transmission seat 13, the lock tongue 6, the second spring 17, the lock column 18 and the lock column 19 are reserved, so that the lock not only has the advantages of the traditional lock, but also has the advantages of an electronic lock, the operation of the lock is simple, the lock can be almost compatible with all locks of the same type in the current market, and meanwhile, the unlocking permission can be freely matched according to the management requirement after the lock is installed and set; utilize first NFC chip 35 can realize that electron encrypts verification technique, can't be duplicated for this tool to lock is safe and reliable more than traditional tool to lock.
Specifically, as shown in fig. 1 and 6, the passive lock management system of patrolling and examining of intelligence still includes the key, the key includes key casing 23, the inside fixed mounting of key casing 23 has mutual electric connection's treater 24 and second NFC chip 25, just the inside demountable installation of key casing 23 has battery 26, battery 26 with treater 24 electric connection, the one end fixing of key casing 23 is equipped with mount pad 27, mount pad 27 dorsad the one end fixed mounting of key casing 23 has inserted sheet 20, seted up on the inserted sheet 20 with round pin 19 matched with breach 30, treater 24 passes through second NFC chip 25 with first NFC chip 35 pair with cylindrical electromagnet 15 electric connection.
By adopting the technical scheme, the processor 24 and the second NFC chip 25 which are electrically connected with each other are fixedly installed in the key shell 23, the battery 26 is detachably installed in the key shell, and the battery 26 is electrically connected with the processor 24, so that the key can control the cylindrical electromagnet 15 to be electrified only when the second NFC chip 25 and the first NFC chip 35 are successfully paired, at the moment, the inserting piece 20 is inserted into the inserting hole 31 to rotate the lock cylinder 12 to drive the cylindrical electromagnet 15 to rotate, the cylindrical electromagnet 15 is strong in magnetism after being electrified, the cylindrical electromagnet 15 drives the transmission seat 13 to rotate by utilizing the strong magnetism, the transmission seat 13 drives the lock tongue 6 to be separated from the lock groove 7, and at the moment, under the action of the first spring 9, one end of the U-shaped lock rod 2 with the lock groove 7 can be automatically ejected to achieve the unlocking purpose; thereby make this utility model safe and reliable more than traditional tool to lock.
Specifically, as shown in fig. 1, 5 and 6, the bottom of the lock body 1 is located at the periphery of the lock cylinder 12, two annular electrodes 21 are arranged at the periphery of the lock cylinder 12, the two annular electrodes 21 are respectively electrically connected with the first NFC chip 35 and the cylindrical electromagnet 15, two bump electrodes 22 are arranged at the end of the mounting seat 27, which faces away from the key housing 23, the two bump electrodes 22 are electrically connected with the battery 26, and the positions of the two bump electrodes 22 are arranged corresponding to the positions of the two annular electrodes 21.
Through adopting above-mentioned technical scheme, make like this when inserting the key inside the tool to lock, battery 26 can match through two ring electrodes 21 and two convex block formula electrodes 22 and supply power for first NFC chip 35 and cylindrical electromagnet 15, and this just makes the inside power that does not need the installation power supply of tool to lock to make this tool to lock applicable in various environment, more have the advantage than traditional electronic lock.
Specifically, as shown in fig. 1, a hanging lug 28 is further fixedly mounted at the other end of the key housing 23, and a hanging hole 29 is formed in the hanging lug 28.
By adopting the technical scheme, the arrangement of the hanging lugs 28 and the hanging holes 29 ensures that the key can be hung on a belt at the waist of a user in cooperation with the hanging rings, and the key can be prevented from being lost.
Specifically, as shown in fig. 1, two of the cylindrical mounting groove 16, the second spring 17, the lock cylinder 18 and the pin 19 are provided, the two second springs 17 have different lengths, the two lock cylinders 18 have different lengths, and the two pin 19 have different lengths.
By adopting the technical scheme, the provided lockset is difficult to copy, and the safety performance is better.
Specifically, as shown in fig. 1-2, a cylindrical boss 33 is further fixedly mounted on the upper portion of the fitting seat 14, a torsion spring 34 is fixedly sleeved outside the cylindrical boss 33, two ends of the torsion spring 34 are fixed on the inner wall of a limiting groove 32, and the limiting groove 32 is formed in the top wall of the lock body 1.
Through adopting above-mentioned technical scheme, cylindrical boss 33, torsion spring 34 and spacing groove 32 cooperate, can guarantee that spring bolt 6 can automatic re-setting, can avoid spring bolt 6 can not block into the inside of locked groove 7 to avoid this tool to lock to be unable to use.
It should be noted that both the first NFC chip 35 and the second NFC chip 25 can be NFC chips with the model of nrf52832, and the processor 24 can be a single chip microcomputer with the model of STC89C 51.
The working principle is as follows: the intelligent passive patrol lock management system comprises a lock body 1, wherein a first NFC chip 35 and a cylindrical electromagnet 15 are arranged in the lock body, and meanwhile, a traditional U-shaped lock rod 2, a lock cylinder 12, a transmission seat 13, a lock tongue 6, a second spring 17, a lock column 18 and a pin column 19 are reserved, so that the lock not only has the advantages of the traditional lock, but also has the advantages of an electronic lock, the operation of the lock is simple, the lock can be almost compatible with all locks of the same type in the current market, and meanwhile, the unlocking permission can be freely matched according to the management requirements after the lock is installed and set; the electronic encryption verification technology can be realized by utilizing the first NFC chip 35, and the lock cannot be copied, so that the lock is safer and more reliable than the traditional lock;
according to the provided key, a processor 24 and a second NFC chip 25 which are electrically connected with each other are fixedly installed in a key shell 23, a battery 26 is detachably installed in the key shell, and the battery 26 is electrically connected with the processor 24, so that the key can control the cylindrical electromagnet 15 to be electrified only when the second NFC chip 25 and the first NFC chip 35 are successfully paired, at the moment, the inserting piece 20 is inserted into the inserting hole 31 to rotate the lock cylinder 12 to drive the cylindrical electromagnet 15 to rotate, the cylindrical electromagnet 15 is strong in magnetism after being electrified, the cylindrical electromagnet 15 drives the transmission seat 13 to rotate by virtue of the strong magnetism, the transmission seat 13 drives the lock tongue 6 to be separated from the lock groove 7, at the moment, under the action of the first spring 9, one end, provided with the lock groove 7, of the U-shaped lock rod 2 can be automatically ejected out to achieve the purpose of unlocking; thereby the utility model is safer and more reliable than the traditional lock;
the periphery that is located lock core 12 at the bottom of lock body 1 is equipped with two ring electrodes 21, and two ring electrodes 21 respectively with first NFC chip 35 and cylindrical electromagnet 15 electric connection, the one end tip that the mount pad 27 is dorsad key casing 23 is equipped with two lug formula electrodes 22, and two lug formula electrodes 22 and battery 26 electric connection, the position of two lug formula electrodes 22 and the corresponding setting in position of two ring electrodes 21 simultaneously, when inserting the key inside like this, battery 26 can cooperate the power supply for first NFC chip 35 and cylindrical electromagnet 15 through two ring electrodes 21 and two lug formula electrodes 22, this inside that just makes the tool to lock need not install the power of power supply, thereby make this tool to lock in various environment, have more than traditional electronic lock and have an advantage.
The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a passive lock management system that patrols and examines of intelligence, includes the tool to lock, its characterized in that: the lockset comprises a lock body (1), a U-shaped lock rod (2), a base (11), a lock cylinder (12), a first NFC chip (35), a cylindrical electromagnet (15), a transmission seat (13) and a lock tongue (6), wherein the inside of the lock body (1) is provided with a cavity, the U-shaped lock rod (2) is movably arranged on the top wall of the lock body (1), one end of the U-shaped lock rod (2) is movably arranged by penetrating through a fixing plate (10), the fixing plate (10) is fixedly arranged on the inner side wall of the lock body (1), one end part of the U-shaped lock rod (2) penetrating through the fixing plate (10) is fixedly provided with a first stop block (36), the first stop block (36) is positioned below the fixing plate (10), a second stop block (8) is fixedly arranged on the U-shaped lock rod (2), the second stop block (8) is positioned between the upper part of the fixing plate (10) and the inner top wall of the lock body (1), the lock is characterized in that a first spring (9) is movably sleeved on the U-shaped lock rod (2), the first spring (9) is abutted against the second stop block (8) and the fixing plate (10), a locking groove (7) is formed in the position, close to the other end of the U-shaped lock rod (2), of the U-shaped lock rod, the base (11) is fixedly installed on the upper portion of the inner bottom wall of the lock body (1), a cylindrical installation groove (16) is formed in the base (11), a lock column (18) is movably installed in the cylindrical installation groove (16) through a second spring (17), the lock cylinder (12) can be rotatably installed in the base (11), a pin column (19) with one end abutting against the lock column (18) is movably installed in the lock cylinder (12), a jack (31) is reserved in the lock cylinder (12), and the other end of the pin column (19) extends into the jack (31), the first NFC chip (35) is fixedly installed inside the base (11), the cylindrical electromagnet (15) is rotatably installed inside the base (11), the cylindrical electromagnet (15) is fixedly connected with one end, facing the top wall of the lock body (1), of the lock cylinder (12), the cylindrical electromagnet (15) is electrically connected with the first NFC chip (35), the transmission seat (13) is rotatably installed on the inner top wall of the lock body (1) through an assembling seat (14), the bottom end of the transmission seat (13) is abutted to the upper end of the cylindrical electromagnet (15), the assembling groove (4) is further formed inside the transmission seat (13), a guide block (5) is movably installed inside the assembling groove (4) through a third spring (3), one end of the lock tongue (6) is clamped into the inside of the lock groove (7), and the other end of the lock tongue (6) extends into the assembling groove (4) and is fixedly connected with the guide block (5).
2. The intelligent passive patrol lock management system according to claim 1, wherein: still include the key, the key includes key casing (23), the inside fixed mounting of key casing (23) has mutual electric connection's treater (24) and second NFC chip (25), just the inside demountable installation of key casing (23) has battery (26), battery (26) with treater (24) electric connection, the one end fixing of key casing (23) is equipped with mount pad (27), mount pad (27) dorsad the one end fixed mounting of key casing (23) has inserted sheet (20), seted up on inserted sheet (20) with round pin post (19) matched with breach (30), treater (24) pass through second NFC chip (25) with first NFC chip (35) mate with cylindrical electromagnet (15) electric connection.
3. The intelligent passive patrol lock management system according to claim 2, wherein: the bottom of lock body (1) is located the periphery of lock core (12) is equipped with two ring electrode (21), two ring electrode (21) respectively with first NFC chip (35) with cylindrical electro-magnet (15) electric connection, mount pad (27) dorsad the one end tip of key casing (23) is equipped with two lug formula electrodes (22), two lug formula electrode (22) with battery (26) electric connection, and two the position and two of lug formula electrode (22) the position of ring electrode (21) is corresponding to be set up.
4. The intelligent passive patrol lock management system according to claim 2, wherein: and a hanging lug (28) is fixedly arranged at the end part of the other end of the key shell (23), and a hanging hole (29) is formed in the hanging lug (28).
5. The intelligent passive patrol lock management system according to claim 1, wherein: the cylindrical mounting groove (16), the second spring (17), the lock cylinder (18) and the pin cylinder (19) are respectively provided with two, the length of the second spring (17) is different, the length of the lock cylinder (18) is different, and the length of the pin cylinder (19) is different.
6. The intelligent passive patrol lock management system according to claim 1, wherein: the upper portion of the assembling seat (14) is further fixedly provided with a cylindrical boss (33), a torsion spring (34) is fixedly sleeved outside the cylindrical boss (33), two ends of the torsion spring (34) are fixed on the inner wall of a limiting groove (32), and the limiting groove (32) is formed in the top wall of the lock body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922248383.5U CN211369880U (en) | 2019-12-15 | 2019-12-15 | Intelligent passive inspection lock management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922248383.5U CN211369880U (en) | 2019-12-15 | 2019-12-15 | Intelligent passive inspection lock management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211369880U true CN211369880U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922248383.5U Expired - Fee Related CN211369880U (en) | 2019-12-15 | 2019-12-15 | Intelligent passive inspection lock management system |
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| Country | Link |
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| CN (1) | CN211369880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117513878A (en) * | 2024-01-03 | 2024-02-06 | 山东晟运恒电气有限公司 | Structure of electric energy metering box lock |
-
2019
- 2019-12-15 CN CN201922248383.5U patent/CN211369880U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117513878A (en) * | 2024-01-03 | 2024-02-06 | 山东晟运恒电气有限公司 | Structure of electric energy metering box lock |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 Termination date: 20211215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |