CN114352130A

CN114352130A - Anti-theft lock

Info

Publication number: CN114352130A
Application number: CN202210024061.6A
Authority: CN
Inventors: 李金旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-04-15

Abstract

The invention provides an anti-theft lock, which comprises a lock core, a lock core shell, a blocking block and other parts, wherein the lock core is inserted into the lock core shell, the lock core is provided with a slotted hole, the blocking block is positioned in the slotted hole, and the lock core shell is provided with a first groove; when one end of the shielding block is aligned to the first groove, the shielding block can move in the past through the first groove, the movable shielding block can be inserted into the first groove and/or the key hole, the key hole channel is reduced or closed when the shielding block moves towards the key hole, on the contrary, the key hole is enlarged when the shielding block moves towards the first groove, and meanwhile, the shielding block can protrude out of the lock core to clamp the lock core and the lock core shell and cannot be unlocked, so that the shielding block must be inserted into the key hole to close the key hole channel to unlock the lock during unlocking, and therefore, lawless persons can be prevented from inserting unmatched unlocking tools such as iron wires, flat iron pins and the like into the key hole to move parts inside the key hole to try to open the lock, and the technical unlocking prevention capacity is greatly improved.

Description

Anti-theft lock

Technical Field

The invention relates to the technical field of locks, in particular to an anti-theft lock.

Background

The key hole channel of the existing anti-theft lock is larger, and lawless persons can insert unmatched unlocking tools such as iron wires, flat iron needles and the like into the key hole channel to move the blade or the marble to open the lock easily, so that the existing anti-theft lock is poor in anti-theft performance.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides a technical scheme of an anti-theft lock, which solves the problems of the background technology, and the technical scheme of the invention is as follows: the utility model provides an anti-theft lock, includes lock core, lock core shell and hides the dog, its characterized in that: the lock core is inserted into the lock core shell, the lock core is provided with a slotted hole, the slotted hole is communicated with the key hole, the blocking piece is positioned in the slotted hole, and the lock core shell is provided with a first groove; when one end of the shielding block is aligned with the first groove, the shielding block can move between the first groove and the key hole channel, and the movable shielding block can be inserted into the first groove and/or the key hole channel; the keyhole channel is reduced or closed when the blocking piece moves towards the keyhole direction, and conversely, the keyhole channel is enlarged when the blocking piece moves towards the first groove direction; the part of the blocking piece protruding out of the lock core is inserted into the first groove, and the lock cannot be unlocked.

Further, still include interactive key, the lock core still is provided with first keyway, interactive key is located in the first keyway, the lock core shell still is equipped with the second keyway, when interactive key one end was aimed at the second keyway, interactive key can remove between first keyway and second keyway.

Further, the key is provided with a second groove; when the key is inserted into the key hole to unlock, the second groove is positioned in the key hole, and the shielding block is inserted into the key hole channel and is also inserted into the second groove formed in the key.

The lock core is provided with a blade groove, the blade is positioned in the blade groove, the blade can move left and right in the blade groove, the blade and the shielding block are not interfered with each other, and the moving track of the shielding block during linear movement is perpendicular to the moving track of the blade during linear movement.

Further, the lock core also comprises a spring, wherein the spring is arranged in the lock core, one end of the spring is propped against the blade, and the spring controls the blade to reset.

Further, the interactive key of blade control protrudes the lock core or does not protrude the lock core, the interactive key has two blade controls at least, one side of blade is pressed close to interactive key one end, one side of blade is provided with the third recess, works as when interactive key one end falls into the third recess that the blade set up, then the interactive key does not protrude the lock core, and is opposite, works as when the interactive key breaks away from the third recess that the blade set up, then interactive key protrusion lock core and part get into in the second keyway.

Further, still include the jump ring, the jump ring blocks lock core and lock core shell, prevents that the lock core from breaking away from the lock core shell.

Further, the stopper also penetrates the key when inserted into the second groove.

Further, when the key is not inserted into the key hole, the shielding block is positioned in a state of not protruding the lock cylinder and being inserted into the key hole channel.

The invention has the beneficial effects that: the invention is provided with the shielding block, the shielding block can twist the lock core to unlock only by closing the key hole channel when unlocking, and the shielding block closes the key hole channel when unlocking, so that lawless persons can insert unmatched unlocking tools such as iron wires, flat iron needles and the like into the key hole channel to move the blades to open the lock, thereby greatly improving the anti-theft performance of the lock.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a partial detail view of the present invention;

FIG. 3 is a cross-sectional view of the lock cylinder housing of the present invention;

FIG. 4 is a view of an occlusion block of the present invention.

In the figure: 1. a lock cylinder; 11. a slot; 12. a first keyway; 13. a blade groove; 2. a lock cylinder housing; 21. a first groove; 22. a second keyway; 3. a stop block is shielded; 31. a protrusion; 4. an interactive key; 5. a key; 51. a second groove; 6. a blade; 61. a third groove; 7. a spring; 8. and a clamp spring.

Detailed Description

Referring to fig. 1-4, an anti-theft lock includes a lock core 1, a lock core housing 2, a shielding block 3, an interactive key 4, a key 5, a blade 6, a spring 7 and a clamp spring 8, and is characterized in that: the lock core 1 is inserted into the lock core shell 2, the lock core 1 is provided with a slotted hole 11, the slotted hole 11 is communicated with a key hole, the blocking piece 3 is positioned in the slotted hole 11, and the lock core shell 2 is provided with a first groove 21; when one end of the blocking piece 3 is aligned with the first groove 21, the blocking piece 3 can move between the first groove 21 and the keyhole channel, the movable blocking piece 3 can be inserted into the first groove 21 and/or the keyhole, the keyhole channel is reduced or closed when the blocking piece 3 moves towards the keyhole direction, on the contrary, the keyhole channel is enlarged when the blocking piece 3 moves towards the first groove 21, and part of the blocking piece 3 protrudes out of the lock cylinder; when the shielding block 3 protrudes out of the lock cylinder 1 and is inserted into the first groove 21, the lock cylinder 1 cannot rotate.

Wherein, lock core 1 still is provided with first keyway 12, interactive key 4 is located in first keyway 12, lock core shell 2 still is equipped with second keyway 22, when second keyway 22 is aimed at to interactive key 4 one end, interactive key 4 can remove between first keyway 12 and second keyway 22, will bulge lock core 1 when interactive key 4 removes toward second keyway 22.

Wherein said key 5 is provided with a second groove 51, said second groove 51 penetrating the key 5; when the key 5 is inserted into the key hole to unlock the lock, the blocking piece 3 is inserted into the key hole and also inserted into the second groove 51 of the key 5, and the blocking piece 3 penetrates through the key 5 when inserted into the second groove 51.

The lock core 1 is provided with a blade groove 13, the blade 6 is positioned in the blade groove 13, the blade 6 can move left and right, the blade 6 and the shielding block 3 are not interfered with each other, and the moving track of the shielding block 3 during linear movement is perpendicular to the moving track of the blade 6 during linear movement.

Wherein, the spring 7 is installed in the lock core 1, one end of the spring 7 is pressed against the blade 6, and the spring 7 controls the blade 6 to reset.

Wherein, blade 6 can be promoted by inserted key 5, can control 4 protruding lock cores of interactive key 1 or not protruding lock core 1 when blade 6 is promoted by inserted key 5, interactive key 4 has two 6 controls of blade at least, one side of blade 6 is pressed close to 4 one end of interactive key, one side of blade 6 is provided with third recess 61, works as 4 one end of interactive key falls into when the third recess 61 of blade 6 setting, then 4 do not protrude lock core 1 of interactive key, on the contrary, works as when the third recess 61 that interactive key 4 breaks away from blade 6 setting, then 4 protruding lock cores of interactive key 1 and part get into in the second keyway 22.

The clamp spring 8 clamps the lock cylinder 1 and the lock cylinder shell 2 to prevent the lock cylinder 1 from being separated from the lock cylinder shell 2, and the clamp spring 8 can be replaced by a bolt according to design requirements.

When the key 5 is not inserted into the key hole, the blocking piece 3 is positioned at the state that the lock cylinder 1 is not protruded and is inserted into the key hole to close the key hole channel, and if the blocking piece 3 moves towards the first groove 21 to open the key hole channel, the blocking piece 3 blocks the lock cylinder 1 and the lock cylinder shell 2 and can not be unlocked.

The key comprises a key hole, a blocking piece 3 and a key cylinder 1, wherein one end of the blocking piece 3 facing the key hole is provided with at least two protrusions 31 or at least two blocking pieces 3 are arranged in the key cylinder 1, and when a key 5 is inserted into the key hole to unlock, the protrusions 31 are inserted into the key 5.

In practical operation, when a key 5 is inserted into a key hole, one end of the blocking piece 3 is pushed by the key 5, the rear part of the blocking piece protrudes out of the lock cylinder 1 and is inserted into the first groove 21, when the key 5 is inserted into a set unlocking position, the blocking piece 3 enters the key hole and is inserted into the second groove 51 and penetrates through the key 5, and at the moment, the blocking piece 3 does not protrude out of the lock cylinder 1 and has the effect of reducing the key hole or closing the key hole; if a lawbreaker wants to open the lock by using unmatched unlocking tools such as iron wires, flat iron needles and the like, during unlocking, the shielding block 3 needs to be inserted into the key hole to close the key hole channel, and the shielding block 3 and the interactive key 4 do not protrude out of the lock core 1 to rotate the lock core 1 to unlock the lock, and the shielding block 5 is inserted into the key hole to close the key hole channel to unlock the lock, so that the lawbreaker can be prevented from inserting the unmatched unlocking tools such as iron wires, flat iron needles and the like into the key hole to move the blade 6 to control the interactive key 4 not to protrude out of the lock core 1 to open the lock, and the capacity of preventing technical unlocking is greatly improved.

This section describes in detail embodiments of the present invention, preferred examples of which are illustrated in the accompanying drawings, which are intended to supplement the description of the text of the description with figures to enable a person to understand visually and visually each and every technical feature and technical solution of the present invention, but not to be interpreted as limiting the scope of protection of the present invention.

In the description of the present invention, it is to be understood that the positional descriptions, such as the directions of upper, lower, left, right, etc., referred to herein are merely for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referred device or element must be specifically oriented, constructed and operative in a particular orientation, and thus should not be construed as limiting the present invention.

The description of the invention, if any, of the first, second, third, etc. is for technical feature distinguishing purposes only and is not intended to indicate or imply relative importance or to implicitly indicate the number of technical features referred to or the precedence of the technical features referred to.

Claims

1. The utility model provides an anti-theft lock, includes lock core (1), lock core shell (2) and shelters from piece (3), its characterized in that: the lock core (1) is inserted into the lock core shell (2), the lock core (1) is provided with a slotted hole (11), the slotted hole (11) is communicated with a key hole, the blocking piece (3) is positioned in the slotted hole (11), and the lock core shell (2) is provided with a first groove (21); when one end of the blocking piece (3) is aligned with the first groove (21), the blocking piece (3) can move between the first groove (21) and the keyhole channel, and the movable blocking piece (3) can be inserted into the first groove (21) and/or the keyhole channel; the keyhole channel is reduced or closed when the blocking piece (3) moves towards the keyhole direction, and conversely, the keyhole channel is enlarged when the blocking piece (3) moves towards the first groove (21); the part of the blocking piece (3) protruding out of the lock core (1) is inserted into the first groove (21) and can not be unlocked.

2. The anti-theft lock of claim 1, wherein: still include interactive key (4), lock core (1) still is provided with first keyway (12), interactive key (4) are located in first keyway (12), lock core shell (2) still are equipped with second keyway (22), when second keyway (22) are aimed at to interactive key (4) one end, interactive key (4) can remove between first keyway (12) and second keyway (22).

3. The anti-theft lock of claim 1, wherein: the key (5) is further provided with a second groove (51); when the key (5) is inserted into the key hole to unlock, the second groove (51) is positioned in the key hole, and the shielding block (3) is inserted into the key hole channel and is also inserted into the second groove (51) formed in the key (5).

4. The anti-theft lock of claim 1, wherein: the lock core is characterized by further comprising blades (6), wherein blade grooves (13) are formed in the lock core (1), the blades (6) are located in the blade grooves (13), the blades (6) can move left and right in the blade grooves (13), the blades (6) and the blocking pieces (3) are not interfered with each other, and the moving track of the blocking pieces (3) during linear movement is perpendicular to the moving track of the blades (6) during linear movement.

5. The anti-theft lock of claim 4, wherein: the lock core is characterized by further comprising a spring (7), the spring (7) is installed in the lock core (1), one end of the spring (7) abuts against the blade (6), and the spring (7) controls the blade (6) to reset.

6. The anti-theft lock according to claim 2 or 4, characterized in that: blade (6) control interactive key (4) protrusion lock core (1) or do not protrude lock core (1), interactive key (4) have two blade (6) controls at least, one side of blade (6) is pressed close to interactive key (4) one end, one side of blade (6) is provided with third recess (61), works as when interactive key (4) one end falls into third recess (61) that blade (6) set up, then interactive key (4) do not protrude lock core (1), and is opposite, works as when interactive key (4) break away from third recess (61) that blade (6) set up, then interactive key (4) protrusion lock core (1) and part get into in second keyway (22).

7. The anti-theft lock according to claim 3 or 5, characterized in that: still include jump ring (8), jump ring (8) block lock core (1) and lock core shell (2), prevent that lock core (1) breaks away from lock core shell (2).

8. The anti-theft lock of claim 3, wherein: the stop (3) also penetrates the key (5) when inserted into the second recess (51).

9. The anti-theft lock of claim 3, wherein: when the key hole is not inserted with the key (5), the blocking piece (3) is positioned in a state of not protruding the lock cylinder (1) and being inserted into the key hole channel.

10. The anti-theft lock according to claim 8 or 9, characterized in that: one end of the blocking piece (3) facing the key hole is provided with at least two bulges (31) or at least two blocking pieces (3) are arranged in the lock core (1).