CN120119846A

CN120119846A - An anti-theft lock capable of preventing technical unlocking

Info

Publication number: CN120119846A
Application number: CN202510204621.XA
Authority: CN
Inventors: 胥泽棋; 胥世伙
Original assignee: Individual
Current assignee: Individual
Priority date: 2025-02-24
Filing date: 2025-02-24
Publication date: 2025-06-10

Abstract

The invention belongs to the technical field of anti-theft locks, and particularly discloses an anti-theft lock capable of preventing technical unlocking, which comprises a lock body, a lock tongue, a lock core, a lock pin, a lock core and a key, wherein the lock body is fixedly embedded in a locked structure and is provided with a through lock core hole and a plurality of marble holes, marble and a spring are arranged in the marble holes, the lock tongue is detachably embedded in the lock body and is provided with a plurality of through holes, two limit rods are symmetrically arranged in the through holes, the lock core is rotatably and movably inserted in the lock core hole and is provided with a through key hole and a plurality of marble holes, the marble holes are respectively provided with marble, the lock core is provided with a first clamping groove close to the lock tongue, one end of the lock core is movably inserted in the through holes, and the key is movably inserted in the key hole and is provided with a plurality of marble grooves. The invention plays a locking role by arranging a plurality of marbles and marbles which are distributed in a arrayed way, and the lock core is arranged to be capable of unlocking by rotating and pushing, so that the invention has extremely strong anti-technical unlocking capability and high safety.

Description

Antitheft lock capable of preventing technical unlocking

Technical Field

The invention belongs to the technical field of anti-theft locks, and particularly relates to an anti-theft lock capable of preventing technical unlocking.

Background

With the improvement of the quality of life conditions of modern people, the demands of people on household safety are also improved, and the protection of a door lock is needed, and the traditional door lock has some defects, such as damage and opening by specific tools and skills, and intelligent door locks, such as fingerprint and face recognition, can be opened by manufacturing a mold or using a specific interference device.

In order to solve the problem of low safety of the door lock in the prior art, the structure of the lock is also required to be improved, so that the current technical problem is solved.

Disclosure of Invention

The invention aims to provide an anti-theft lock capable of preventing technical unlocking, which is difficult to open by technical means and has high safety.

In order to achieve the purpose, the invention adopts the following technical scheme that the anti-theft lock for preventing technical unlocking comprises:

The lock body is fixedly embedded in the locked structure and is provided with a through lock cylinder hole and a plurality of marble holes, the marble holes are distributed on the side wall of the lock body in a arrayed manner, and marble and a spring are arranged in the marble holes;

The lock tongue is detachably embedded in the lock body and is provided with a perforation with the same diameter as the lock cylinder hole, two limit rods are symmetrically arranged in the perforation, and the two limit rods are arranged along the radial direction;

The lock cylinder is rotatably and movably inserted into the lock cylinder hole and is provided with a through key hole and a plurality of marble holes, the marble holes are respectively inserted into the marble holes in a movable mode, the marble holes are distributed on the side wall of the lock cylinder in an arrayed mode, and the marble holes are respectively provided with marble; the lock cylinder is provided with a first clamping groove close to the lock tongue, and one end of the lock cylinder with the first clamping groove is movably inserted into the through hole so that the two limiting rods are embedded into or separated from the first clamping groove;

The key is movably inserted into the key hole and is provided with a plurality of marble grooves.

To better implement the invention, both the lock cylinder and the key are cylindrical in structure, the key having tapered ends.

In order to better realize the invention, the ball holes are provided with two rows in total and are symmetrically arranged at two sides of the lock body.

In order to better realize the invention, the marble holes are arranged in six rows, and the marble holes comprise two rows of symmetrically arranged control marble holes and four rows of interference marble holes, wherein the two rows of control marble holes and the four rows of interference marble holes are arranged in a staggered manner, and the two rows of control marble holes are closer to the lock tongue;

the key is provided with six rows of marble grooves which are in the same distribution form with the six rows of marble holes;

The lock body is provided with a first limiting raised head far away from the lock tongue, the lock core is provided with a first limiting groove and a second limiting groove for the first limiting raised head to move, a first channel is connected between the first limiting groove and the second limiting groove, the distance between the first limiting groove and the second limiting groove is equal to the dislocation distance between the control marble hole and the interference marble hole, the first limiting groove is close to the marble hole, the length of the first limiting groove is equal to the distance between the control marble hole and the nearest row of interference marble holes, and the second limiting groove is of an annular structure.

In order to better realize the invention, the marble holes and the marble holes are all arranged by holes with different diameters, and the number and the arrangement interval distribution of any row of marble holes and any row of marble holes are the same.

In order to better realize the invention, the marble is of a cylindrical structure.

In order to better realize the invention, the marble is a metal sphere, and the aperture of one end of the marble hole, which is communicated with the key hole, is smaller than the diameter of the marble.

In order to better realize the invention, one end of the lock cylinder hole away from the key is rotatably and movably inserted with a counter lock, the counter lock is provided with a second clamping groove, and the second clamping groove is movably inserted into the through hole so as to enable the two limiting rods to be embedded into or separated from the second clamping groove.

In order to better realize the invention, the lock body is provided with a second limiting raised head far away from the lock tongue, the back locking piece is provided with a third limiting groove and a fourth limiting groove for the second limiting raised head to move, and the fourth limiting groove is communicated with a second channel near the lock tongue.

The beneficial effects are that:

According to the invention, the locking function is jointly exerted by arranging the plurality of marbles and marbles which are distributed in a arrayed manner, and the lock cylinder is arranged to be capable of unlocking by rotating and pushing, so that even if the lock cylinder can be successfully rotated in the early stage by using a technical means, the lock cylinder can be pushed forward after being rotated for a certain angle, the limit rod can be embedded into the first clamping groove, and after the lock cylinder is rotated, the marbles can be reinserted into other marble holes to be locked again, so that the lock cylinder has very strong anti-technical unlocking capability.

Drawings

FIG. 1 is a block diagram of the present invention in an unlocked and locked condition;

FIG. 2 is a block diagram of the invention in an unlocked state with a key inserted;

FIG. 3 is an internal block diagram of the present invention in an unlocked and locked condition;

FIG. 4 is an internal construction view of the present invention in a key-inserted unlocking state;

FIG. 5 is a top view of the present invention in an unlocked and locked condition;

FIG. 6 is a top view of the invention in an unlocked condition with a key inserted;

FIG. 7 is a cross-sectional view of A-A of the present invention;

FIG. 8 is a B-B cross-sectional view of the present invention.

In the figure, 1, a lock body, 101, a lock cylinder hole, 102, a marble hole, 103, a first limiting protruding head, 104, a second limiting protruding head, 2, marble, 3, a spring, 4, a lock tongue, 401, a perforation, 402, a limiting rod, 5, a lock cylinder, 501, a key hole, 502, a marble hole, 5021, a control marble hole, 5022, an interference marble hole, 503, a first limiting groove, 504, a second limiting groove, 505, a first channel, 506, a first clamping groove, 6, marble, 7, a key, 701, a marble groove, 8, an opposite locking piece, 801, a third limiting groove, 802, a fourth limiting groove, 803, a second channel, 804 and a second clamping groove.

Detailed Description

Examples

As shown in fig. 1 to 8, an antitheft lock for preventing technical unlocking, comprising:

The lock body 1 is fixedly embedded in a locked structure and is provided with a through lock cylinder hole 101 and a plurality of pin holes 102, the pin holes 102 are distributed on the side wall of the lock body 1, and pins 2 and springs 3 are arranged in the pin holes 102;

the lock tongue 4 is detachably embedded in the lock body 1 and is provided with a perforation 401 with the same diameter as the lock cylinder hole 101, two limiting rods 402 are symmetrically arranged in the perforation 401, and the two limiting rods 402 are arranged along the radial direction;

The lock cylinder 5 is rotatably and movably inserted into the lock cylinder hole 101 and is provided with a penetrated key hole 501 and a plurality of marble holes 502, the marble 2 is movably inserted into the marble holes 502 respectively, the marble holes 502 are arranged and distributed on the side wall of the lock cylinder 5, and the marble 6 is arranged in the marble holes 502, the lock cylinder 5 is provided with a first clamping groove 506 close to the lock tongue 4, and one end of the lock cylinder 5 with the first clamping groove 506 is movably inserted into the through hole 401 so that the two limiting rods 402 are embedded into or separated from the first clamping groove 506;

the key 7 is movably inserted into the key hole 501 and has a plurality of marble grooves 701.

The working principle of the invention is summarized as follows:

When the key 7 is not inserted into the key hole 501, the marble 6 is positioned at the bottommost part of the marble hole 502, the marble 2 is pushed into the marble hole 502 by the spring 3, and at the moment, the lock cylinder 5 is blocked by the marble 2 and cannot rotate, so that unlocking can not be realized;

The number of the pins 2 and the balls 6 is large, the sizes of the pins 2 and the balls 6 at different positions are set to be various in the production and manufacturing process, the pins 2 and the balls 6 are difficult to open by adopting a technical unlocking means, the traditional lock cylinder 5 can only rotate in the lock body 1, the lock cylinder 5 is rotatably and movably inserted into the lock cylinder hole 101, after the key 7 is inserted, the limiting rod 402 is embedded into the first clamping groove 506 and then pushed forward, the lock tongue 4 is rotated, so that unlocking is completed, even if the lock cylinder 5 can be successfully rotated in the early stage by adopting the technical means, the limiting rod 402 can be embedded into the first clamping groove 506 due to the fact that the lock cylinder 5 also needs to be rotated for a certain angle and then pushed forward, the pins 2 can be reinserted into other pin holes 102 for re-locking, in short, the lock cylinder can be re-locked as long as the pins 5 are rotated, and the lock cylinder has very strong reverse technical capability, and the lock cylinder can be unlocked just by using the matched 7, and the lock cylinder can be ensured to be just contacted with the lock cylinder 1 at the contact point of the pins 2, so that unlocking is completed.

Preferably, the lock cylinder 5 and the key 7 are both cylindrical in structure, and the key 7 has a tapered end capable of being inserted into the key hole 501 with great consent and lifting up the marble 6.

Preferably, the pin holes 102 are provided with two rows, and are symmetrically arranged at two sides of the lock body 1, and by arranging the two rows of pin holes 102, even if someone wants to unlock technically, the pins 2 in the two rows of pin holes 102 are required to be clamped into all the pin holes 102 at the same time, so that the complexity of unlocking technically is improved.

Preferably, the marble holes 502 are arranged in six rows, and each row of marble holes comprises two rows of symmetrically arranged control marble holes 5021 and four rows of interference marble holes 5022, wherein the two rows of control marble holes 5021 and the four rows of interference marble holes 5022 are arranged in a staggered manner, and the two rows of control marble holes 5021 are closer to the lock tongue 4;

the key 7 has six rows of the marble grooves 701 in the same distribution form as the six rows of the marble holes 502;

The lock body 1 is provided with a first limiting raised head 103 far away from the lock tongue 4, the lock cylinder 5 is provided with a first limiting groove 503 and a second limiting groove 504 for the first limiting raised head 103 to move, a first channel 505 is connected between the first limiting groove 503 and the second limiting groove 504, the distance between the first limiting groove 503 and the second limiting groove 504 is equal to the dislocation distance between the control marble hole 5021 and the interference marble hole 5022, the first limiting groove 503 is close to the marble hole 502, the length of the first limiting groove 503 is equal to the distance between the control marble hole 5021 and the nearest row of interference marble holes 5022, and the second limiting groove 504 is of an annular structure. Before the key 7 is inserted, the first limiting raised head 103 is inserted into the first limiting groove 503, at this time, the marble 2 is inserted into the control marble hole 5021, when the key 7 of the application is adopted for punching, the key 7 is inserted into the key hole 501, the marble 6 in the control marble hole 5021 is jacked up, the marble 2 leaves the marble hole 502, the lock cylinder 5 is rotated, the first channel 505 moves the position of the first limiting raised head 103, at this time, the marble hole 5022 column corresponds to the marble hole 102, but due to the insertion of the key 7, the marble 2 cannot fall into the marble hole 502 to form a clamping, so the lock cylinder 5 can be pushed forward, the limiting rod 402 is embedded into the first clamping groove 506, the lock tongue 4 is rotated, and unlocking is completed.

Preferably, the pin holes 102 and the pin holes 502 are all arranged by holes with different diameters, the number and the arrangement interval distribution of any row of pin holes 102 and any row of pin holes 502 are the same, and the pins 6 with different sizes can be jacked up until the contact points of the pins 6 and the pins 2 are just positioned on the contact surface of the lock cylinder 5 and the lock body 1 by using the key 7 matched with the application, so as to complete unlocking.

Preferably, the marble 2 has a cylindrical structure, the marble 6 is a metal sphere, and the diameter of the marble hole 502 at one end thereof, which communicates with the keyhole 501, is smaller than the diameter of the marble 6, so that the marble 6 does not fall into the keyhole 501 even when the key 7 is not inserted. The metal sphere has a smooth arc surface, so that the metal sphere is difficult to have an acting point, and the technical unlocking prevention capability can be further improved under the condition that the metal sphere does not have an observation field of view.

Preferably, the lock cylinder hole 101 is rotatably and movably inserted with a counter lock 8 at an end far away from the key 7, the counter lock 8 has a second slot 804, and the second slot 804 is movably inserted into the through hole 401, so that the two limiting rods 402 are engaged with or disengaged from the second slot 804. The lock body 1 is provided with a second limiting protruding head 104 far away from the lock tongue 4, the back locking piece 8 is provided with a third limiting groove 801 and a fourth limiting groove 802 for the second limiting protruding head 104 to move, and the fourth limiting groove 802 is close to the lock tongue 4. The third limiting groove 801 and the fourth limiting groove 802 are communicated with a second channel 803. By arranging the counter lock 8, when a user cannot open the door in any external operation after internal counter locking, specifically, when the second limiting protrusion is positioned in the third limiting groove 801 and the second limiting protrusion is not positioned in the second channel 803, the counter lock 8 cannot be pushed forward, at the moment, the counter lock 8 cannot be inserted into the through hole 401, the first clamping groove 506 can be inserted into the lock tongue 4 to complete unlocking, otherwise, when the second limiting protrusion is positioned in the fourth limiting groove 802 and the second limiting protrusion is not positioned in the second channel 803, the counter lock 8 is inserted into the through hole 401, the limiting rod 402 is embedded into the second clamping groove 804 to complete counter locking, at the moment, under the action of the counter lock 8, the lock cylinder 5 cannot be inserted into the through hole 401 anyway to complete unlocking.

Finally, it should be noted that the above description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An antitheft lock for preventing technical unlocking, comprising:

the lock body (1) is fixedly embedded in a locked structure and is provided with a through lock cylinder hole (101) and a plurality of marble holes (102), the marble holes (102) are distributed on the side wall of the lock body (1), and marble (2) and a spring (3) are arranged in the marble holes (102);

The lock tongue (4) is detachably embedded in the lock body (1) and is provided with a perforation (401) with the same diameter as the lock cylinder hole (101), two limit rods (402) are symmetrically arranged in the perforation (401), and the two limit rods (402) are arranged along the radial direction;

A lock cylinder (5) rotatably and movably inserted into the lock cylinder hole (101) and provided with a through key hole (501) and a plurality of marble holes (502), wherein a plurality of marbles (2) are respectively and movably inserted into the marble holes (502), the marble holes (502) are arranged and distributed on the side wall of the lock cylinder (5), marble (6) are arranged in the marble holes (502), the lock cylinder (5) is provided with a first clamping groove (506) close to the lock tongue (4), one end of the lock cylinder (5) with the first clamping groove (506) is movably inserted into the through hole (401) so as to enable two limit rods (402) to be embedded in or separated from the first clamping groove (506), and

A key (7) is movably inserted into the key hole (501) and is provided with a plurality of marble grooves (701).

2. An anti-theft lock against technical unlocking according to claim 1, characterized in that the lock cylinder (5) and the key (7) are both of cylindrical structure, the key (7) having a conical end.

3. The antitheft lock capable of preventing technical unlocking according to claim 2, wherein the pin tumbler holes (102) are arranged in two rows in total and are symmetrically arranged on two sides of the lock body (1).

4. A technical unlocking prevention antitheft lock according to claim 3, wherein six rows of marble holes (502) are provided, each row of marble holes comprises two rows of symmetrically arranged control marble holes (5021) and four rows of interference marble holes (5022), the two rows of control marble holes (5021) are arranged in a staggered manner with the four rows of interference marble holes (5022), and the two rows of control marble holes (5021) are closer to the lock tongue (4);

The key (7) has six rows of said marble grooves (701) in the same distribution as the six rows of said marble holes (502);

The lock body (1) is provided with a first limiting raised head (103) far away from the lock tongue (4), the lock cylinder (5) is provided with a first limiting groove (503) and a second limiting groove (504) for the first limiting raised head (103) to move, a first channel (505) is connected between the first limiting groove (503) and the second limiting groove (504), the distance between the first limiting groove (503) and the second limiting groove (504) is equal to the dislocation distance between the control marble hole (5021) and the interference marble hole 5022, the first limiting groove (503) is close to the marble hole (502), the length of the first limiting groove (503) is equal to the distance between the control marble hole 5021) and the nearest row of interference marble holes (5022), and the second limiting groove (504) is of an annular structure.

5. The antitheft lock capable of preventing technical unlocking according to claim 1, wherein the marble holes (102) and the marble holes (502) are formed by arranging holes with different diameters, and the number and arrangement interval distribution of any row of marble holes (102) and any row of marble holes (502) are the same.

6. An anti-theft lock against technical unlocking according to claim 1, characterized in that the pins (2) are of cylindrical structure.

7. The antitheft lock capable of preventing technical unlocking according to claim 1, wherein the marble (6) is a metal sphere, and the aperture of one end of the marble hole (502) communicated with the key hole (501) is smaller than the diameter of the marble (6).

8. An anti-theft lock against technical unlocking according to claim 1, characterized in that the end of the lock cylinder bore (101) remote from the key (7) is rotatably and movably plugged with a counter-lock (8), the counter-lock (8) having a second clamping groove (804), the second clamping groove (804) being movably plugged into the through hole (401) so that two limit rods (402) are plugged into or out of the second clamping groove (804).

9. The antitheft lock capable of preventing technical unlocking according to claim 8, wherein the lock body (1) is provided with a second limiting projection (104) far away from the lock tongue (4), the counter lock (8) is provided with a third limiting groove (801) and a fourth limiting groove (802) for the second limiting projection (104) to move, and the fourth limiting groove (802) is close to the lock tongue (4), and the third limiting groove (801) and the fourth limiting groove (802) are communicated with a second channel (803).