Breakage-proof safety lock

Abstract

The utility model relates to the technical field of anti-theft locks, provides a breakage-proof safety lock, and aims to provide a lock which can be kept in a locking state even if the lock is subjected to destructive means such as water injection and liquid nitrogen quick freezing. The lock comprises a lock shell, a lock cylinder, a rotating table, a shifting core, a rotating seat, a locking column and the like. Locking cylinders are arranged on the two sides of the lock shell, a shifting core is arranged in the middle of the lock shell, rotating seats are installed in the locking cylinders, and rotating rings A and hexagonal inner holes are formed in the rotating seats and matched with rotating rings B of the shifting core. The lock cylinder and the rotating table are connected through a groove, a symmetrical groove and a plug pin, and a round hole is formed for installing a first spring and the interference fit of the connector B and the connector A is formed. An easy-to-break groove is formed in the side portion of the locking cylinder, a locking column, a second spring and a limiting column are installed in a step hole, and it is guaranteed that the locking column is stably positioned. Even in a damaged state, a double-locking function can be realized in a dragging separation mode, illegal unlocking is prevented, and property safety is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anti-theft lock, specifically relates to a security lock against damage. BACKGROUND

[0002] The existing lock cylinder with locking function on the market has obvious vulnerability when facing the damage means such as water injection and liquid nitrogen rapid freezing adopted by thieves, and these methods can easily make the lock cylinder lose the locking function, so that the tumblers are easily rotated,

[0003] The door lock is opened, resulting in property loss. The existing design lacks the ability to maintain stability and reliability under extreme conditions, and the installation process is complex and prone to errors. In view of the limitations of the existing lock cylinder and the hazards of theft methods, there is an urgent need for a new lock cylinder design on the market that can still maintain a locked state when damaged and is easy for users to install correctly to provide higher level of security protection. SUMMARY

[0004] To solve the problems in the background art, the utility model provides a security lock against damage, which comprises:

[0005] The lock shell, the lock cylinder and the rotating table are installed on the left and right sides of the lock shell, the lock shell is an n-shaped structure, and the left and right locking barrels are arranged on the left and right sides of the lock shell, the core dial is installed in the middle of the lock shell

[0006] The rotating seat is installed in the locking barrel, and the rotating ring A is arranged on the rotating seat.

[0007] The core dial is provided with the rotating ring B, the rotating ring A is installed in the rotating ring B, the hexagonal inner hole is arranged in the rotating seat, the clamping groove is connected with the convex platform, the locking column is installed in the stepped hole, the second spring and the limiting column are installed below the locking column, the second spring provides downward pressure to the limiting column, so that the limiting column is abutted to the rotating seat, and the rotating seat is provided with the idle slot.

[0008] In the preferred scheme, the lock cylinder is provided with a groove for installing the rotating table.

[0009] In the preferred scheme, the rotating table is provided with the symmetrical groove and the hexagonal table, and the symmetrical groove is connected with the symmetrical hole in the groove of the lock cylinder through the bolt.

[0010] In the preferred scheme, the lock cylinder and the rotating table are provided with the circular hole, the first spring is installed in the circular hole, the connector B is arranged on the left rotating table, and the connector B is connected with the connector A on the right rotating table in the form of interference fit.

[0011] In the preferred scheme, the easy-to-break groove is arranged in the side of the locking barrel.

[0012] The utility model has the advantages that:

[0013] First, the lock shell is an n-shaped structure, provided with left and right locking barrels, and the side of the locking barrel is provided with a breakable groove, and the upper part is provided with a stepped hole. This design makes the lock shell have better anti-damage performance, and the breakable groove can be broken when subjected to destructive external force, thereby triggering the safety mechanism. This design improves the security of the lock, and can maintain the function of the lock even when subjected to physical damage attack, preventing illegal unlocking.

[0014] Second, the lock cylinder and the rotating table are connected through a groove and a symmetrical groove and a latch, and the rotating table is provided with a joint B and a joint A connected in an interference fit manner. This structure design makes the connection between the lock cylinder and the rotating table more firm, while ensuring the flexibility of operation. This connection method improves the overall stability and durability of the lock, reduces wear and failure caused by long-term use.

[0015] Third, a hexagonal hole is formed in the rotating seat and cooperates with the rotating ring B of the core dial, and the rotating seat is also provided with a clamping groove connected with a boss and an idle groove. This structure design allows the lock to have different responses during normal operation and when subjected to damage, and the idle groove can prevent the lock cylinder from rotating when the lock is subjected to destructive attack, thereby providing additional security protection.

[0016] Fourth, the locking column is provided below with a second spring and a limiting column, and the second spring provides downward pressure to the limiting column, so that the limiting column abuts against the rotating seat. This design ensures the stable positioning of the locking column, and can maintain the locking state of the lock even when subjected to destructive external force, preventing illegal unlocking.

[0017] Fifth, when one side of the lock is damaged and broken, the components are separated and locked by dragging, and even in extreme conditions (such as water injection and liquid nitrogen rapid freezing), the double locking function can be realized. This design provides a double protection mechanism to ensure that the lock can maintain its locked state even under extreme destructive means, preventing property loss. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the structure explosion diagram of the utility model;

[0019] Figure 2 is the normal working state schematic diagram of the utility model;

[0020] Figure 3 is the schematic diagram of the state before damage;

[0021] Figure 4 is the schematic diagram of the state after damage.

[0022] Reference numerals in the drawings:

[0023] 1, lock cylinder; 1-1, groove; 1-2, symmetrical hole; 2, bolt; 3, rotating table; 3-1, symmetrical groove; 3-2, hexagonal table; 3-3, joint A; 3-4, round hole; 4, first spring; 5, rotating seat; 5-1, hexagonal inner hole; 5-2, rotating ring A; 5-3, boss; 5-4, clamping groove; 6, core; 6-1, rotating ring B; 7, joint B; 8, lock shell; 8-1, stepped hole; 8-2, easy-to-break groove; 9, locking column; 10, second spring; 11, limiting column. DETAILED DESCRIPTION

[0024] The technical solutions in the utility model will be described clearly and completely below with reference to the drawings in the utility model, and the forms of the structures described in the following embodiments are only examples, and the utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Referring to Figures 1-4 The utility model provides a kind of anti-damage safety lock, it includes:

[0026] Lock shell 8 and the lock cylinder 1 and rotating table 3 installed on the both sides of lock shell 8, lock shell 8 is n-shaped structure, it is provided with the locking cylinder of left and right sides, the middle part of lock shell 8 is installed with core 6

[0027] Rotating seat 5 is installed in locking cylinder, and rotating seat 5 is provided with rotating ring A 5-2;

[0028] Rotating ring B 6-1 is provided in core 6, rotating ring A 5-2 is installed in rotating ring B 6-1, hexagonal inner hole 5-1 is opened in rotating seat 5, clamping groove 5-4 is connected with boss 5-3, locking column 9 is installed in stepped hole 8-1, second spring 10 and limiting column 11 are installed below locking column 9, second spring 10 provides downward pressure to limiting column 11, so that limiting column 11 is stopped in rotating seat 5, and idle slot is opened in rotating seat 5.

[0029] Lock cylinder 1 is provided with groove 1-1 for installing rotating table 3. Rotating table 3 is provided with symmetrical groove 3-1 and hexagonal table 3-2, and symmetrical groove 3-1 is connected with symmetrical hole 1-2 in the groove 1-1 of the lock cylinder 1 by the bolt 2. The lock cylinder 1 and the rotating table 3 are provided with a round hole 3-4, and the first spring 4 is installed in the round hole 3-4. The left rotating table 3 is provided with a joint B 7, and the joint B 7 is connected with the joint A 3-3 on the right rotating table 3 in an interference fit manner. The side of the locking cylinder is provided with an easy-to-break groove 8-2.

[0030] In the normal state, under the action of the first spring 4, the rotating table 3 is in the balanced position, the hexagonal table 3-2 at both ends enters the inner hexagonal hole by a distance, and the core 6 is fixed and cannot rotate. When the left end is inserted into the key, the key pushes the left rotating table 3 to move forward. The left hexagonal table 3-2 enters the inner hexagonal hole, the right rotating table 3 moves to the right, the right hexagonal table 3-2 is separated from the right inner hexagonal hole, the left end rotates, and drives the core 6 to rotate. The purpose of unlocking is achieved. The key is pulled out, and the balanced state is restored.

[0031] The rotating table 3 is in the groove 1-1 of the lock core 1, the symmetrical hole 1-2 of the lock core 1 and the symmetrical groove 3-1 of the rotating table 3 are fixed through the pin 2, the circular hole 3-4 between the rotating table 3 and the lock core 1 is arranged to install the first spring 4, the joint B7 of the left rotating table 3 and the joint A3-3 of the right rotating table 3 are in interference fit, the convex table 5-3 of the left rotating seat 5 is fixed with the clamping groove 5-4 of the right rotating seat 5, the rotating ring A5-2 of the rotating seat 5 is connected with the rotating ring B6-1 of the core 6, the lock shell 8 is provided with the easy-to-break groove 8-2 and the stepped hole 8-1, the stepped hole 8-1 contains the locking column 9, the limiting column 11 and the second spring 10, the stepped hole 8-1 and the locking column 9 are in interference, the second spring 10 is installed in the locking column 9, the rotating table 3 is in the balanced position under the action of the spring, and there is a distance between the hexagonal table 3-2 of the rotating table 3 and the hexagonal inner hole 5-1 of the rotating seat 5. At this time, the core 6 is in a fixed state and cannot rotate.

[0032] The left lock core 1 and the rotating table 3 are pushed, the hexagonal table 3-2 of the left rotating table 3 is fixed on the hexagonal inner hole 5-1 of the rotating seat 5, the hexagonal table 3-2 of the right rotating table 3 moves to the right and is separated from the hexagonal inner hole 5-1 of the rotating seat 5, at this time, the side rotating table is pushed to rotate and drive the core 6 to rotate, and the purpose of unlocking is achieved.

[0033] In the broken state, the lock shell 8 is broken at the easy-to-break groove 8-2 on the right, the rotating seat 5, the rotating table 3 and the lock core 1 are all dragged to the right, after the dragging, the hexagonal table 3-2 of the left rotating table 3 is locked with the hexagonal inner hole 5-1 of the rotating seat 5, the joint B7 and the joint A3-3 are pulled off, the convex table 5-3 of the left rotating seat 5 is separated from the clamping groove 5-4 of the right rotating seat 5, and the limiting column 11 on the right falls into the idling groove of the rotating seat 5 under the action of the second spring 10 after the dragging, so that the rotating seat 5 is in idling and cannot drive the core 6 to rotate.

[0034] The above only describes preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tamper-resistant security lock, characterized by It includes: Lock shell (8) and lock cylinder (1) and rotating table (3) installed on both sides of lock shell (8), lock shell (8) is n-shaped structure, which is provided with left and right locking cylinder, lock shell (8) is installed with core (6) in the middle The rotating seat (5) is installed in the locking cylinder, and the rotating seat (5) is provided with rotating ring A (5-2); The core (6) is provided with rotating ring B (6-1), rotating ring A (5-2) is installed in rotating ring B (6-1), hexagonal hole (5-1) is opened in rotating seat (5), clamping groove (5-4) is connected with convex platform (5-3), locking column (9) is installed in step hole (8-1), second spring (10) and limiting column (11) are installed below locking column (9), second spring (10) provides downward pressure to limiting column (11), so that limiting column (11) is stopped in rotating seat (5), rotating seat (5) is opened with idling groove.

2. The tamperproof security lock of claim 1 wherein, The lock cylinder (1) is provided with a groove (1-1) for installing the rotating table (3).

3. The tamperproof security lock of claim 2 wherein, The rotating table (3) is provided with symmetrical groove (3-1) and hexagonal table (3-2), symmetrical groove (3-1) is connected with symmetrical hole (1-2) in the groove (1-1) of the lock cylinder (1) through the bolt (2).

4. The tamperproof security lock of claim 3 wherein, The lock cylinder (1) and the rotating table (3) are provided with a round hole (3-4), a first spring (4) is installed in the round hole (3-4), a joint B (7) is arranged on the left rotating table (3), and the joint B (7) is connected with the joint A (3-3) on the right rotating table (3) in the form of interference fit.

5. The tamperproof security lock of claim 1 wherein, The locking cylinder side is provided with a breakable groove (8-2).

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