CN114704160A - Novel entrance guard management tool of transformer substation - Google Patents
Novel entrance guard management tool of transformer substation Download PDFInfo
- Publication number
- CN114704160A CN114704160A CN202210334836.XA CN202210334836A CN114704160A CN 114704160 A CN114704160 A CN 114704160A CN 202210334836 A CN202210334836 A CN 202210334836A CN 114704160 A CN114704160 A CN 114704160A
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- key
- locking
- lock
- password
- steel ball
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- 230000000670 limiting effect Effects 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 3
- 240000007643 Phytolacca americana Species 0.000 claims description 2
- 239000004579 marble Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B37/00—Permutation or combination locks; Puzzle locks
- E05B37/0031—Locks with both permutation and key actuation
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/0053—Other details of locks; Parts for engagement by bolts of fastening devices means providing a stable, i.e. indexed, position of lock parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/14—Tumblers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B37/00—Permutation or combination locks; Puzzle locks
- E05B37/0068—Permutation or combination locks; Puzzle locks in padlocks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B37/00—Permutation or combination locks; Puzzle locks
- E05B37/02—Permutation or combination locks; Puzzle locks with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others
- E05B37/025—Permutation or combination locks; Puzzle locks with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others in padlocks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B67/00—Padlocks; Details thereof
- E05B67/06—Shackles; Arrangement of the shackle
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- Lock And Its Accessories (AREA)
Abstract
The invention provides a novel substation entrance guard management tool which comprises a key lock body, a key lock rod, a password lock body and a password lock rod, wherein one end of the password lock rod is fixed on the key lock body, the free end of the password lock rod is inserted into the password lock body, a password locking steel ball is arranged in the password lock body in a sliding mode, a password locking assembly used for locking the password lock rod by controlling the position of the password locking steel ball is arranged in the password lock body, one end of the key lock rod is connected to the password lock body, the free end of the key lock rod is inserted into the key lock body, a key locking steel ball is arranged in the key lock body in a sliding mode, and a key locking assembly used for locking the key lock rod by controlling the position of the key locking steel ball is arranged in the key lock body. The invention can realize unlocking only by keys and passwords, realizes double anti-theft guarantee, does not need to carry a plurality of keys, can enter only by matching keys with uniform models, and enhances the safety management and management flexibility of stations.
Description
Technical Field
The invention relates to the technical field of locks, in particular to a novel substation access control management tool.
Background
The coded lock generally comprises a mechanical coded lock and an electronic coded lock, 16 substations are managed by a power transformation management station at present, the number of keys used is 45, operators need to carry a large string of keys every time the operators enter a power station, management is not convenient, attractiveness is achieved, time for finding the keys on site is increased, and efficiency is low. In addition, the traditional single mechanical lock is low in safety performance, the mechanical lock head is easy to damage, and if the mechanical lock head cannot be replaced in time after being damaged, practical use can be affected, after a key is replaced, other teams and groups cannot normally unlock, switching power-on and power-off time is affected, inconvenience is brought to normal work progress, the number of transformer substation sites is large, the number of keys required to be carried in daily life is large, and management and use are not facilitated. The traditional single mechanical lock has low safety performance, and the mechanical lock head is easy to damage and can not be replaced in time after being damaged, so that the practical use is influenced.
For example, patent No. cn201821689189.x discloses a steel ball lock, which comprises a bottom plate, an unlocking opening, a key, a lock rod, a lock core, a clamping groove, a first spring, a second spring, a push rod, a supporting disc, a third spring, a U-shaped plate, a semi-ring plate, steel balls, a tooth socket and a shell, wherein the top of the bottom plate is connected with the shell, the bottom center of the bottom plate is provided with the unlocking opening, the unlocking opening is matched and connected with the key, the inside of the shell is provided with the lock core, the bottom of the lock core is fixedly connected with the bottom of the inner wall of the bottom plate, the bottom of the inner wall of the bottom plate is fixedly connected with the first spring, the top of the first spring is fixedly connected with the lock rod, the lock rod is positioned inside the shell, the inner wall of the lock core is fixedly connected with four second springs at equal intervals, the end parts of the second springs are fixedly connected with the push rod, the steel balls are adopted by the steel ball lock, the condition of poor anti-theft performance in the past is avoided, the steel ball lock, the structure is simple and practical, the manufacturing cost is lower, meanwhile, the condition that the whole lock is scrapped due to the fact that the conventional lock cylinder is damaged directly is avoided, unlocking can be achieved only through a key, the unlocking mode is single, and safety performance is low.
Disclosure of Invention
Therefore, the novel substation access control management tool provided by the invention can be unlocked only by keys and passwords, double anti-theft guarantee is realized, a plurality of keys do not need to be carried, and the substation access control tool can be accessed only by matching keys of uniform types, so that the safety management and management flexibility of stations are enhanced.
The technical scheme of the invention is realized as follows:
the utility model provides a novel entrance guard management tool of transformer substation, includes key lock body, key locking lever, trick lock body and password locking lever, the one end of password locking lever is fixed in on the key lock body, the free end of password locking lever peg graft in the trick lock body, it is provided with password locking steel ball to slide in the trick lock body, be equipped with in the trick lock body and be used for through control the position of password locking steel ball is right the password locking subassembly that the locking was carried out to the password locking lever, the one end of key locking lever connect in on the trick lock body, the free end of key locking lever peg graft in the key lock body, the key lock body slides and is provided with key locking steel ball, be equipped with in the key lock body and be used for through control the position of key locking steel ball is right the key locking subassembly that the locking was carried out to the lock lever.
Preferably, the password lock body is provided with a password lock rod hole and a password lock groove, the password lock groove is communicated with the password lock rod hole, the password lock steel ball is slidably arranged in the password lock groove, the free end of the password lock rod is provided with a first steel ball groove, and the first steel ball groove is matched with the password lock steel ball to lock the password lock rod.
Preferably, the password locking assembly comprises a plurality of digit wheels, the digit wheels are arranged in a row and are rotatably connected to the password lock body, the digit wheels are connected to the same sides of the digit wheels respectively, the left sides of the digit wheels penetrate through the right sides of the digit wheels along the central axis, the free ends of the digit wheels are connected with locking limiting shifting pieces, unlocking grooves are formed in the locking limiting shifting pieces, and the locking limiting shifting pieces are located in the password locking grooves.
Preferably, the shifting rods are provided with rotating grooves along the central axis, and the free ends of the shifting rods on the left side penetrate through the rotating grooves to be connected with the locking limiting shifting pieces.
Preferably, the number wheel comprises a code ring and a shifting wheel, the code ring is fixed on the periphery of the outer portion of the shifting wheel, one end of the shifting rod is connected with the shifting wheel, and the free end of the shifting rod is connected with the locking limiting shifting piece.
Preferably, the locking limit shifting piece is an annular limit shifting piece.
Preferably, a key lock rod hole and a key lock groove are formed in the key lock body, the key lock rod hole is communicated with the key lock groove, the key lock steel ball is arranged in the key lock groove in a sliding mode, a second steel ball groove is formed in the free end of the key lock rod, and the key lock assembly is used for stirring the key lock steel ball and the second steel ball groove to be matched with the key lock rod to lock.
Preferably, the key locking assembly comprises a lock cylinder and a top column, the lock cylinder is rotationally connected into the key lock body, a key hole is formed in the lock cylinder, a plurality of pin holes are formed in the key lock body, the pin holes penetrate through the lock cylinder and are communicated with the key hole, an elastic shaft rod is arranged in the pin holes in a sliding mode, the top column is connected with the lock cylinder, and the top column is used for shifting the key locking steel ball.
Preferably, the elastic shaft lever comprises a spring, a driving pin and a key pin, and the spring, the driving pin and the key pin are sequentially arranged in the pin hole from top to bottom.
Preferably, a poking groove is formed in the key lock body and communicated with the key locking groove, and the ejection column rotates to poke the key locking steel balls through the poking groove to slide in the key locking groove.
Compared with the prior art, the invention has the beneficial effects that:
the novel substation access control management tool provided by the invention changes the management mode of a single mechanical lock and a mechanical key used in the traditional substation management, does not need to carry a plurality of keys, can enter the substation only by matching keys and passwords of uniform models, realizes double anti-theft functions, adopts different passwords for programming, optimizes the management means, can improve the safety by matching the passwords even if a lock head is replaced, not only saves the cost, but also scientifically, reasonably and normatively manages the substation access control, improves the management efficiency of the daily work of transformer operation on the premise of ensuring the safety, has high reliability and convenient use, enhances the safety management and management flexibility of stations, avoids the prolonged switching-off power failure time caused by the replacement of the traditional single mechanical lock and key, ensures the safety of a power grid system, and can realize the double anti-theft functions, And (4) reliable operation.
Drawings
Fig. 1 is a schematic structural diagram of a novel substation access control management tool according to the present invention;
fig. 2 is a schematic diagram of a partial cross-sectional structure of a novel substation access control management tool according to the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of the combination lock body of the present invention;
FIG. 4 is a schematic view of a key lock according to the present invention in partial cross-section;
FIG. 5 is a schematic structural view of a locking limit paddle and a shift lever according to the present invention;
FIG. 6 is a schematic front view of the lock cylinder and the top post of the present invention;
in the figure, a key lock body 1, a key lock rod 2, a code lock body 3, a code lock rod 4, a code locking steel ball 5, a code locking component 6, a digit wheel 7, a code ring 8, a thumb wheel 9, a poking rod 10, a locking limit poking sheet 11, an unlocking groove 12, a rotating groove 13, a code lock rod hole 14, a code locking groove 15, a first steel ball groove 16, a key locking steel ball 17, a key locking component 18, a lock cylinder 19, a top column 20, a key hole 21, a spring hole 22, an elastic shaft rod 23, a spring 24, a driving pin 25, a key pin 26, a key lock rod hole 27, a key locking groove 28, a second steel ball groove 29 and a poking groove 30.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 6, the present invention provides a novel substation access control tool, which comprises a key lock body 1, a key lock rod 2, a combination lock body 3 and a combination lock rod 4, one end of the coded lock rod 4 is fixed on the key lock body 1, the free end of the coded lock rod 4 is inserted in the coded lock body 3, a password locking steel ball 5 is arranged in the password lock body 3 in a sliding way, a password locking component 6 used for locking the password locking rod 4 by controlling the position of the password locking steel ball 5 is arranged in the password lock body 3, one end of the key lock rod 2 is connected with the coded lock body 3, the free end of the key lock rod 2 is inserted in the key lock body 1, the key lock body 1 is provided with a key locking steel ball 17 in a sliding mode, and a key locking assembly 18 used for controlling the position of the key locking steel ball 17 to lock the key locking rod 2 is arranged in the key lock body 1.
When the key lock is used, a corresponding key is inserted into the key lock body 1, the key is used for twisting the key locking assembly 18, the rotating key locking assembly 18 loses the limiting effect of the fixed key locking steel ball 17, the key locking steel ball 17 moves towards one end far away from the key lock rod 2, the key locking steel ball 17 is separated from the key lock rod 2, and the key lock rod 2 is unlocked; after the unlocking of the key lock body 1 and the key lock rod 2 is completed, the number on the password locking assembly 6 is rotated, so that the rotated number corresponds to a correct password, when the password is input correctly, the password locking assembly 6 loses the positioning effect on the password locking steel ball 5, the password locking steel ball 5 slides to one side away from the password lock rod 4, the password locking steel ball 5 is separated from the password lock rod 4, and the unlocking of the password lock body 3 and the password lock rod 4 is completed.
Specifically, a password lock rod hole 14 and a password lock groove 15 are arranged on the password lock body 3, the password lock groove 15 is communicated with the password lock rod hole 14, the password lock steel ball 5 is slidably arranged in the password lock groove 15, a first steel ball groove 16 is arranged at the free end of the password lock rod 4, the first steel ball groove 16 is matched with the password lock steel ball 5 to lock the password lock rod 4, wherein the password lock assembly 6 comprises a plurality of digit wheels 7, the digit wheels 7 are linearly arranged and rotatably connected on the password lock body 3, the same sides of the digit wheels 7 are respectively connected with shift rods 10 with different diameters, the free end of the shift rod 10 on the left side penetrates through the shift rod 10 on the right side along the central axis, the free ends of the shift rods 10 are connected with locking limit shift pieces 11, and unlocking grooves 12 are arranged on the locking limit shift pieces 11, the locking limiting shifting piece 11 is located in the password locking groove 15, the shifting rod 10 is provided with a rotating groove 13 along the central axis, the free end of the shifting rod 10 on the left side penetrates through the rotating groove 13 to be connected with the locking limiting shifting piece 11, the digit wheel 7 comprises a cipher ring 8 and a shifting wheel 9, the cipher ring 8 is fixed on the periphery of the outer portion of the shifting wheel 9, one end of the shifting rod 10 is connected with the shifting wheel 9, the free end of the shifting rod 10 is connected with the locking limiting shifting piece 11, and the locking limiting shifting piece 11 is an annular limiting shifting piece.
According to the correct unlocking password and the corresponding number on the password ring 8, the dial wheel 9 is rotated, the dial wheel 9 rotates to drive the locking limit dial piece 11 to rotate, the unlocking groove 12 on the locking limit dial piece 11 faces one side of the password locking steel ball 5, when all passwords input by all the number wheels 7 are correct, the unlocking groove 12 on the locking limit dial piece 11 is arranged to face one side of the password locking steel ball 5, the locking limit dial piece 11 loses the limitation on the password locking steel ball 5, the password locking steel ball 5 moves towards the upper side of the locking groove, the password locking steel ball 5 is separated from the first steel ball groove 16, and the password locking rod 4 can be unlocked.
Example 2
Referring to fig. 1 to 6, the present embodiment differs from embodiment 1 in that: the key lock body 1 is provided with a key lock rod hole 27 and a key lock groove 28, the key lock rod hole 27 is communicated with the key lock groove 28, so that the key lock steel ball 17 can move upwards to protrude out of the side wall of the key lock rod hole 27, the key lock steel ball 17 is arranged in the key lock groove 28 in a sliding mode, the free end of the key lock rod 2 is provided with a second steel ball groove 29, the key lock assembly 18 is used for stirring the key lock steel ball 17 and the second steel ball groove 29 are matched to lock the key lock rod 2, and when the key lock steel ball 17 protrudes out of the side wall of the key lock rod hole 27, the key lock steel ball 17 can be embedded into the second steel ball groove 29 to lock the key lock rod 2.
Wherein the key locking assembly 18 comprises a lock cylinder 19 and a top column 20, the lock cylinder 19 is rotationally connected in the key lock body 1, a key hole 21 is arranged on the lock core 19, a plurality of bullet holes 22 are arranged on the key lock body 1, the bullet holes 22 penetrate through the lock core 19 and are communicated with the key hole 21, the pin hole 22 is slidably provided with an elastic shaft 23, the elastic shaft 23 comprises a spring 24, a driving pin 25 and a key pin 26, the spring 24, the driving pin 25 and the key pin 26 are sequentially arranged in the bullet hole 22 from top to bottom, the top column 20 is connected with the lock cylinder 19, the top column 20 is used for poking the key locking steel ball 17, wherein, a toggle groove 30 is arranged in the key lock body 1, the toggle groove 30 is communicated with the key locking groove 28, the top column 20 rotates to drive the key locking steel ball 17 to slide in the key locking groove 28 through the drive groove 30.
The corresponding key is inserted into the lock cylinder 19 from the key hole 21, the elastic shaft rod 23 is compressed and contracted, the bottom end of the driving pin 25 is positioned above the lock cylinder 19, the lock cylinder 19 rotates by rotating the key, the rotating lock cylinder 19 drives the top column 20 to rotate in the poking groove 30, the top column 20 passes through the key locking groove 28 while rotating, the top column 20 loses the position limitation of the key-fixing locking steel ball 17, the key locking steel ball 17 slides to the bottom of the key locking groove 28, the key locking steel ball 17 is separated from the second steel ball groove 29, and the unlocking of the key locking rod 2 is realized.
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 invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a novel transformer substation's entrance guard management instrument which characterized in that: including key lock body, key locking lever, trick lock body and trick locking lever, the one end of trick locking lever is fixed in on the key lock body, the free end of trick locking lever peg graft in the trick lock body, it is provided with password locking steel ball to slide in the trick lock body, be equipped with in the trick lock body and be used for through control the position of password locking steel ball is right the password locking subassembly that the trick locking lever carries out the locking, the one end of key locking lever connect in on the trick lock body, the free end of key locking lever peg graft in the key lock body, the key lock body slides and is provided with key locking steel ball, be equipped with in the key lock body and be used for through control the position of key locking steel ball is right the key locking subassembly that the key locking lever carries out the locking.
2. The novel substation access control management tool of claim 1, characterized in that: the password lock body is provided with a password lock rod hole and a password lock groove, the password lock groove is communicated with the password lock rod hole, the password lock steel ball is arranged in the password lock groove in a sliding mode, the free end of the password lock rod is provided with a first steel ball groove, and the first steel ball groove is matched with the password lock steel ball to lock the password lock rod.
3. The novel substation access control management tool of claim 2, characterized in that: the password locking assembly comprises a plurality of digit wheels, the digit wheels are arranged in a row and are rotatably connected to the password lock body, the digit wheels are connected with driving rods with different diameters at the same side, the free ends of the driving rods on the left side penetrate through the driving rods on the right side along the central axis, the free ends of the driving rods are connected with locking limiting shifting pieces, unlocking grooves are formed in the locking limiting shifting pieces, and the locking limiting shifting pieces are located in the password locking grooves.
4. The novel substation access control management tool of claim 3, characterized in that: and the left shifting rod penetrates through the rotating groove to be connected with the locking limiting shifting piece.
5. The novel substation entrance guard management tool of claim 3, characterized in that: the digit wheel comprises a code ring and a shifting wheel, the code ring is fixed on the periphery of the outer portion of the shifting wheel, one end of the shifting rod is connected with the shifting wheel, and the free end of the shifting rod is connected with the locking limiting shifting piece.
6. The novel substation access control management tool of claim 3, characterized in that: the locking limit shifting piece is an annular limit shifting piece.
7. The novel substation access control management tool of claim 1, characterized in that: the key lock body is provided with a key lock rod hole and a key lock groove, the key lock rod hole is communicated with the key lock groove, the key lock steel ball is arranged in the key lock groove in a sliding mode, the free end of the key lock rod is provided with a second steel ball groove, and the key lock assembly is used for stirring the key lock steel ball and the second steel ball groove to be matched with each other to lock the key lock rod.
8. The novel substation access control management tool of claim 1, characterized in that: the key locking assembly comprises a lock cylinder and a top column, the lock cylinder is rotationally connected into the key lock body, a key hole is formed in the lock cylinder, a plurality of spring holes are formed in the key lock body, the spring holes penetrate through the lock cylinder and are communicated with the key hole, an elastic shaft rod is arranged in each spring hole in a sliding mode, the top column is connected with the lock cylinder, and the top column is used for shifting the key locking steel balls.
9. The novel substation access control management tool of claim 8, characterized in that: the elastic shaft lever comprises a spring, a driving pin and a key pin, and the spring, the driving pin and the key pin are sequentially arranged in the marble hole from top to bottom.
10. The novel substation access control management tool of claim 8, characterized in that: the key lock body is internally provided with a poking groove, the poking groove is communicated with the key locking groove, and the ejection column rotates to poke the key locking steel balls through the poking groove to slide in the key locking groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210334836.XA CN114704160B (en) | 2022-03-31 | 2022-03-31 | Novel transformer substation access control management tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210334836.XA CN114704160B (en) | 2022-03-31 | 2022-03-31 | Novel transformer substation access control management tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114704160A true CN114704160A (en) | 2022-07-05 |
| CN114704160B CN114704160B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210334836.XA Active CN114704160B (en) | 2022-03-31 | 2022-03-31 | Novel transformer substation access control management tool |
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| Country | Link |
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| CN (1) | CN114704160B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201915703U (en) * | 2010-12-23 | 2011-08-03 | 徐浩杰 | Dual anti-theft lock |
| US20110219829A1 (en) * | 2010-03-12 | 2011-09-15 | Christopher Trunek | Linkage Lock |
| WO2019097098A1 (en) * | 2017-11-16 | 2019-05-23 | Garcia Lopez Maria Ruth | Mechanical lock with discriminated opening via control for a plurality of keys that can be authorised and system for receiving parcels that includes same |
| US20200131802A1 (en) * | 2017-06-15 | 2020-04-30 | Sang Sik HWANG | Locker dial lock |
| CN111519984A (en) * | 2020-04-28 | 2020-08-11 | 葛静 | Combined anti-theft cipher spring lock |
| CN215255284U (en) * | 2021-04-20 | 2021-12-21 | 刘祖学 | Novel code adjusting structure of coded lock and coded lock |
| US20220081933A1 (en) * | 2020-09-15 | 2022-03-17 | Sinox Lock (Kunshan) Co., Ltd. | Lock and case having the same |
-
2022
- 2022-03-31 CN CN202210334836.XA patent/CN114704160B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110219829A1 (en) * | 2010-03-12 | 2011-09-15 | Christopher Trunek | Linkage Lock |
| CN201915703U (en) * | 2010-12-23 | 2011-08-03 | 徐浩杰 | Dual anti-theft lock |
| US20200131802A1 (en) * | 2017-06-15 | 2020-04-30 | Sang Sik HWANG | Locker dial lock |
| WO2019097098A1 (en) * | 2017-11-16 | 2019-05-23 | Garcia Lopez Maria Ruth | Mechanical lock with discriminated opening via control for a plurality of keys that can be authorised and system for receiving parcels that includes same |
| CN111519984A (en) * | 2020-04-28 | 2020-08-11 | 葛静 | Combined anti-theft cipher spring lock |
| US20220081933A1 (en) * | 2020-09-15 | 2022-03-17 | Sinox Lock (Kunshan) Co., Ltd. | Lock and case having the same |
| CN215255284U (en) * | 2021-04-20 | 2021-12-21 | 刘祖学 | Novel code adjusting structure of coded lock and coded lock |
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| Publication number | Publication date |
|---|---|
| CN114704160B (en) | 2023-11-28 |
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