Anti-theft anti-violent chiseling door lock cylinder

Abstract

The utility model discloses an anti-theft anti-violent chiseling door lock cylinder, which particularly relates to the technical field of door locks and comprises an outer shell, a mounting groove is formed in the outer shell, a lock cylinder is fixedly arranged in the mounting groove, a lock hole is formed in the surface of the lock cylinder, and a protection mechanism is arranged in the outer shell. The protection mechanism comprises a reinforcing ring fixedly arranged in the outer shell, a plurality of reinforcing strips are fixedly arranged in the lock cylinder, the reinforcing ring and the reinforcing strips are made of chromium-molybdenum alloy materials, a protection layer is fixedly arranged on the surface of the outer shell, a plurality of rubber pads are fixedly arranged outside the protection layer, and an anti-drilling piece is fixedly arranged at one end of the lock cylinder. The reinforcing ring made of the chromium molybdenum alloy and the reinforcing strips in the lock cylinder enhance the overall structural strength, resist violent impact and prevent deformation, the external rubber pad buffers impact force and disperses stress, the safety of the lock cylinder is guaranteed in an all-around mode, and the anti-theft and violent chiseling prevention capacity is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to door lock technical field more specifically, the utility model relates to the theftproof violence door lock cylinder. BACKGROUND

[0002] The conventional door lock adopts the mechanical structure, is connected through the movable connection of each mechanical device, makes the lock open or latches, and the classification of door lock is many, and the requirement of door lock is different in each occasion, and the ordinary family generally uses the anti-theft door lock, and the safety is high and the price is relatively cheap.

[0003] In the existing mechanism, the environment on the outside of the door is generally worse than that on the inside of the door, and the electronic components on the outside of the door are easily eroded by moisture, dust and other foreign matters, which may cause damage to the lock cylinder.

[0004] According to the search, the Chinese patent with the authorized announcement number CN220769141U discloses a composite electronic lock cylinder, the electronic handle of the lock cylinder is located on the inside of the door, and the electric control clutch assembly is arranged between the electronic handle and the first rotating part, which greatly increases the difficulty of cracking through technical means from the outside of the door, improves the safety of the lock cylinder, and the electronic components are arranged on the inside of the door, which can effectively prevent the electronic components from being eroded by moisture, dust and other foreign matters, thereby ensuring the service life of the electronic components, and the mechanical handle and the pick on the outside of the door are provided with a mechanical clutch assembly, so that in an emergency, when the electric control clutch assembly fails, the mechanical clutch assembly can be driven by the key to act, so that the mechanical handle can be synchronously rotated with the pick to drive the lock to act.

[0005] However, the structure produces strong vibration during actual use, and the vibration is transmitted to the lock cylinder through the door body, which may cause the cooperation between the mechanical components to be loose, resulting in deformation, displacement or damage of the shell of the lock cylinder, and thus affecting the use effect. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a theftproof violence door lock cylinder to solve the problems in the above background art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The theftproof violence door lock cylinder comprises an outer shell body, an installation groove is formed in the inner part of the outer shell body, a lock cylinder is fixedly arranged in the inner part of the installation groove, a keyhole is formed in the surface of the lock cylinder, and a protection mechanism is arranged in the inner part of the outer shell body.

[0009] The protection mechanism comprises a reinforcing ring fixedly arranged in the outer shell, a plurality of reinforcing strips are fixedly arranged in the lock cylinder, the reinforcing ring and the reinforcing strips are made of chromium molybdenum alloy, a protection layer is fixedly arranged on the surface of the outer shell, a plurality of rubber pads are fixedly arranged on the outer surface of the protection layer, a drill-proof sheet is fixedly arranged at one end of the lock cylinder, an abrasion-resistant layer is arranged on the surface of the drill-proof sheet, the protection layer is made of high-strength alloy steel, and the drill-proof sheet is made of hard alloy material.

[0010] By adopting the above technical scheme, the reinforcing ring and the reinforcing strips in the lock cylinder made of chromium molybdenum alloy enhance the overall structural strength, resist deformation under violent impact, the high-strength alloy steel protection layer can resist attacks by tools such as crowbars, the external rubber pads buffer impact force and disperse stress, the hard alloy drill-proof sheet is matched with the abrasion-resistant layer made of alumina ceramic, damage by electric drills is effectively blocked, the safety of the lock cylinder is comprehensively ensured, and the anti-theft and anti-violent chisel ability is significantly improved.

[0011] As a further description of the above technical scheme, the lock cylinder is internally provided with a stabilizing mechanism, the stabilizing mechanism comprises a plurality of cartridge slots formed in the lock cylinder and the outer shell, a spring is fixedly arranged in each of the cartridge slots, a lower marble is fixedly arranged at one end of the spring, an upper marble is fixedly arranged at one end of the lower marble, and one side of the upper marble is arranged in an inclined manner.

[0012] By adopting the above technical scheme, the rotation of the lock cylinder can be effectively prevented when a correct key is not inserted, the special shape of the upper marble increases the requirement for unlocking accuracy, the anti-theft performance of the lock cylinder is greatly improved, and the structural stability and use safety are ensured.

[0013] As a further description of the above technical scheme, a lock cylinder shaft is fixedly arranged at one side of the lock cylinder, a filling cavity is formed in the lock cylinder shaft, and a shear thickening liquid is filled in the filling cavity.

[0014] By adopting the above technical scheme, the function of the lock cylinder shaft is not affected during normal use, when the lock cylinder shaft is violently twisted by an illegal person, the viscosity of the shear thickening liquid will sharply increase, the excessive twisting is prevented, the force is prevented from being transmitted to the key structure of the lock cylinder, the integrity of the lock cylinder is effectively protected, and the anti-violent damage ability is enhanced.

[0015] Technical effects and advantages of the utility model:

[0016] 1、By setting the protection mechanism, compared with the prior art, the setting of the chromium molybdenum alloy reinforcing ring significantly enhances the impact resistance of the outer shell, not only protects the outer shell itself, but also provides a stable installation environment for the internal lock cylinder, reduces the risk of exposing and damaging the lock cylinder due to damage to the outer shell, the protective layer effectively blocks the direct action of external violent means on the lock cylinder, greatly increases the difficulty of violent unlocking, the existence of the rubber pad plays a buffering role, the chromium molybdenum alloy reinforcing strip inside the lock cylinder strengthens the structure of the lock cylinder itself, and the hard alloy anti-drilling piece is the key defense line against electric drill damage, which can effectively resist the drill from drilling in, making it difficult for criminals to damage the lock cylinder through drilling, and protecting the key components and unlocking mechanism inside the lock cylinder;

[0017] 2、By setting the stabilizing mechanism, compared with the prior art, when the correct key is not inserted, the spring pushes the lower ball to a specific position, and the lower ball effectively prevents the lock cylinder from rotating, forming the first line of defense, one side of the upper ball is inclined, which greatly improves the precision requirement of unlocking, only the key tooth groove that perfectly matches the inclined part of the upper ball can push the upper ball and the lower ball to the appropriate position, realize the smooth rotation of the lock cylinder, thereby significantly improving the anti-theft performance of the lock cylinder, effectively protecting the property and space safety inside the door, when violent torsion of the lock cylinder shaft attempts to damage the lock cylinder, the shear thickening liquid inside the filling cavity instantaneously increases in viscosity and becomes a solid state, this feature can effectively prevent the lock cylinder shaft from being excessively twisted, thereby maintaining the integrity and safety of the lock cylinder, greatly enhancing the resistance of the lock cylinder to violent unlocking means, and providing reliable anti-violence protection for the door lock. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model.

[0019] Figure 2 It is a protection mechanism structure schematic view of the utility model.

[0020] Figure 3 It is a whole front view cross-sectional structure schematic view of the utility model.

[0021] Figure 4 It is a shell side view cross-sectional structure schematic view of the utility model.

[0022] Figure 5 It is a stabilizing mechanism structure schematic view of the utility model.

[0023] The figure mark is: 1, outer shell; 2, lock cylinder; 3, lock eye; 4, reinforcing ring; 5, reinforcing strip; 6, protective layer; 7, rubber pad; 8, anti-drilling piece; 9, wear-resistant layer; 10, spring groove; 11, spring; 12, lower ball; 13, upper ball; 14, lock cylinder shaft; 15, filling cavity. DETAILED DESCRIPTION

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] The embodiments disclosed in this application are as follows: Figures 1-5 The anti-theft and anti-violent door lock cylinder shown includes an outer shell 1, an installation groove is provided inside the outer shell 1, a lock cylinder 2 is fixedly installed inside the installation groove, a keyhole 3 is provided on the surface of the lock cylinder 2, and a protective mechanism is provided inside the outer shell 1.

[0026] The protective mechanism includes a reinforcing ring 4 fixedly installed inside the outer shell 1, and multiple reinforcing strips 5 fixedly installed inside the lock cylinder 2. Both the reinforcing ring 4 and the reinforcing strips 5 are made of chromium-molybdenum alloy. A protective layer 6 is fixedly installed on the surface of the outer shell 1, and multiple rubber pads 7 are fixedly installed on the outside of the protective layer 6. An anti-drilling plate 8 is fixedly installed at one end of the lock cylinder 2, and a wear-resistant layer 9 is installed on the surface of the anti-drilling plate 8. The protective layer 6 is made of high-strength alloy steel, and the anti-drilling plate 8 is made of hard alloy material. The 9 is made of alumina ceramic material. The mounting groove inside the outer shell 1 is used to place the lock cylinder 2. The reinforcing ring 4, made of chromium-molybdenum alloy, is installed inside the outer shell 1. This alloy material has high strength and toughness. When subjected to violent impact, the reinforcing ring 4 can withstand part of the impact force, preventing the outer shell 1 from easily deforming. At the same time, the multiple chromium-molybdenum alloy reinforcing strips 5 inside the lock cylinder 2 also play a role in strengthening the lock cylinder structure, increasing the lock cylinder 2's own resistance to deformation, so that the internal structure of the lock cylinder can remain stable and not easily damaged when subjected to external impact.

[0027] Furthermore, the protective layer 6 on the surface of the outer shell 1 is made of high-strength alloy steel, which provides additional protection for the outer shell 1. High-strength alloy steel can resist attacks from tools such as crowbars and axes. The multiple rubber pads 7 on the outside of the protective layer 6 are mainly used to buffer external impact forces. When subjected to violent impact, the rubber pads 7 will first undergo elastic deformation to absorb some energy, reduce the impact force transmitted to the protective layer 6 and the internal lock cylinder 2, and transmit some of the impact force to a wider area of ​​the door to avoid excessive local stress.

[0028] The anti-drilling sheet 8 at one end of the lock cylinder 2 is made of hard alloy material, and the hard alloy has extremely high hardness, so that when a criminal tries to damage the lock cylinder 2 by using an electric drill tool, the anti-drilling sheet 8 can effectively resist the drilling of the drill bit, and the wear-resistant layer 9 on the surface of the anti-drilling sheet 8 further improves the wear resistance and damage resistance of the anti-drilling sheet 8, prolongs the service life of the anti-drilling sheet 8, and ensures that the anti-drilling sheet 8 can always play a role in the process of resisting drilling for a long time.

[0029] Referring to Figures 2-4 As shown in the figure, the inside of the lock cylinder 2 is provided with a stabilizing mechanism, the stabilizing mechanism comprises a plurality of cartridge slots 10 arranged in the lock cylinder 2 and the outer shell 1, a spring 11 is fixedly arranged in each cartridge slot 10, one end of the spring 11 is fixedly provided with a lower marble 12, one end of the lower marble 12 is fixedly provided with an upper marble 13, one side of the upper marble 13 is arranged in an inclined shape, and a plurality of cartridge slots 10 are arranged in the lock cylinder 2 and the outer shell 1. The inside of each cartridge slot 10 is provided with a spring 11, an upper marble 13 and a lower marble 12, and in a normal state, the spring 11 is in a natural stretching state, and the lower marble 12 is pushed to a certain position in the cartridge slot 10. This structure makes the inside of the upper marble 13 in the lock cylinder 2 when the correct key is not inserted, and the lower marble 12 plays a preliminary anti-theft role, preventing the lock cylinder 2 from rotating;

[0030] One end of the lower marble 12 is connected to the side of the upper marble 13, which is inclined, and when the key is inserted, the tooth groove shape of the key interacts with the inclined part of the upper marble 13. When the correct key is unlocked, the key tooth groove will push the upper marble 13 and the lower marble 12 to the appropriate position, so that the position of all marbles can make the lock cylinder 2 rotate smoothly. The side of the upper marble 13 is inclined, which increases the accuracy requirement of unlocking and improves the anti-theft performance of the lock cylinder 2.

[0031] Referring to Figures 4-5 As shown in the figure, one side of the lock cylinder 2 is fixedly provided with a lock cylinder shaft 14, the inside of the lock cylinder shaft 14 is provided with a filling cavity 15, and the inside of the filling cavity 15 is filled with a shear thickening liquid. When a criminal tries to open the lock by violently twisting the lock cylinder shaft 14, the shear thickening liquid in the inside of the lock cylinder shaft 14 will play a role. In the moment of violent twisting, the viscosity of the liquid will increase sharply, and it will become similar to a solid. This state change can effectively prevent the excessive twisting of the lock cylinder shaft 14. Due to the characteristics of the liquid, the force of violent twisting is difficult to be transmitted to the key structure inside the lock cylinder 2, thereby protecting the integrity of the lock cylinder 2 and preventing the lock cylinder 2 from being opened by violent damage.

[0032] The working principle of the utility model:

[0033] The utility model discloses a theftproof and violence prevention door lock core, the installation groove in the inside of shell body 1 is used for placing lock core 2, the reinforcing ring 4 made of chromium molybdenum alloy is arranged in the inside of shell body 1, this alloy material has very high strength and toughness, when suffering violent impact, reinforcing ring 4 can bear part of impact force, prevent shell body 1 from easily deforming, simultaneously, the multiple chromium molybdenum alloy reinforcing strips 5 in the inside of lock core 2 also play the role of reinforcing lock core structure, increase the deformation resistance of lock core 2 itself, make the internal structure of lock core keep stable when being impacted by external force, not easy to be destroyed,

[0034] And the protective layer 6 on the surface of shell body 1 is made of high-strength alloy steel material, which provides additional protection for shell body 1, and the high-strength alloy steel can resist attacks from tools such as crowbars and axes, and the multiple rubber pads 7 on the outside of the protective layer 6 are mainly used to buffer external impact force, and when subjected to violent impact, the rubber pads 7 will first elastically deform, absorb part of the energy, reduce the impact force transmitted to the protective layer 6 and the internal lock core 2, and transmit part of the impact force to a wider area of the door body to avoid excessive local stress;

[0035] The anti-drilling piece 8 at one end of the lock core 2 is made of hard alloy material, and the hard alloy has very high hardness, so when a criminal tries to use an electric drill to damage the lock core 2, the anti-drilling piece 8 can effectively resist the drilling of the drill bit, and the wear-resistant layer 9 on the surface of the anti-drilling piece 8 further improves its wear resistance and damage resistance, prolonging the service life of the anti-drilling piece 8 and ensuring that it can always play a role in resisting drilling for a long time.

[0036] The lock core 2 and the shell body 1 are internally provided with multiple cartridge slots 10, and each cartridge slot 10 has a spring 11, an upper marble 13 and a lower marble 12 inside, and in the normal state, the spring 11 is in a natural stretched state, and the lower marble 12 is pushed to a certain position in the cartridge slot 10. This structure makes the upper marble 13 inside the lock core 2 when the correct key is not inserted, and the lower marble 12 plays a preliminary anti-theft role, preventing the lock core 2 from rotating;

[0037] The side of the upper marble 13 connected to one end of the lower marble 12 is inclined, and when the key is inserted, the tooth groove shape of the key interacts with the inclined part of the upper marble 13, and when the correct key is unlocked, the key tooth groove pushes the upper marble 13 and the lower marble 12 to the appropriate position, so that the position of all marbles can make the lock core 2 rotate smoothly, and the side of the upper marble 13 is inclined, increasing the precision requirement of unlocking and improving the anti-theft performance of the lock core 2;

[0038] And the inside of the lock core shaft 14 is filled with a shear thickening liquid in the filling cavity 15, under normal circumstances, this liquid has a low viscosity, similar to ordinary liquid, when not interfered by external force, it remains stable in the filling cavity 15, and does not affect the normal function of the lock core shaft 14;

[0039] When a criminal tries to open the lock by forcibly twisting the lock core shaft 14, the shear thickening liquid inside the lock core shaft 14 will play a role, in the moment of being forcibly twisted, the viscosity of the liquid will increase sharply, becoming similar to solid, this state change can effectively prevent the excessive twisting of the lock core shaft 14, due to the characteristics of the liquid, the force of the violent twisting is difficult to be transmitted to the key structure inside the lock core 2, thereby protecting the integrity of the lock core 2, preventing the lock core 2 from being opened by violent destruction.

[0040] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: all equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A theft and violence resistant, pick resistant, door lock cylinder comprising a housing (1), characterized in that: The inside of the outer shell (1) is provided with a mounting groove, the inside of the mounting groove is fixedly provided with a lock cylinder (2), the surface of the lock cylinder (2) is provided with a keyhole (3), and the inside of the outer shell (1) is provided with a protection mechanism. The protection mechanism comprises a reinforcing ring (4) fixedly arranged in the inside of the outer shell (1), a plurality of reinforcing strips (5) fixedly arranged in the inside of the lock cylinder (2), the reinforcing ring (4) and the reinforcing strip (5) are both made of chromium molybdenum alloy material, the surface of the outer shell (1) is fixedly provided with a protective layer (6), the outside of the protective layer (6) is fixedly provided with a plurality of rubber pads (7), one end of the lock cylinder (2) is fixedly provided with an anti-drilling sheet (8), and the surface of the anti-drilling sheet (8) is provided with a wear-resistant layer (9).

2. The anti-theft, anti-impact, pick-resistant lock cylinder as defined in claim 1, wherein: The protective layer (6) is made of high-strength alloy steel material, the anti-drilling sheet (8) is made of hard alloy material, and the wear-resistant layer (9) is made of alumina ceramic material.

3. The anti-theft, anti-impact, pick-resistant lock cylinder of claim 1, wherein: The inside of the lock cylinder (2) is provided with a stabilizing mechanism, and the stabilizing mechanism comprises a plurality of bullet grooves (10) arranged in the inside of the lock cylinder (2) and the outer shell (1).

4. The anti-theft, anti-impact, pick-resistant lock cylinder as defined in claim 3, wherein: The inside of the bullet groove (10) is fixedly provided with a spring (11), and one end of the spring (11) is fixedly provided with a lower marble (12).

5. The anti-theft, anti-impact, pick-resistant lock cylinder as defined in claim 4, wherein: One end of the lower marble (12) is fixedly provided with an upper marble (13), and one side of the upper marble (13) is inclined.

6. The theft and burglary resistant, anti-pry, deadbolt lock cylinder of claim 1 wherein: One side of the lock cylinder (2) is fixedly provided with a lock cylinder shaft (14), the inside of the lock cylinder shaft (14) is provided with a filling cavity (15), and the inside of the filling cavity (15) is filled with a shear thickening liquid.

Images