35results about How to "Prevent violent unlocking" patented technology

The invention discloses a lock with a leaf pin idling lock core structure, which comprises a front lock core in the lock body. A plurality of leaf pins are arranged along the axis on the front lock core, locking side posts matching with a V-shaped groove on the leaf pins are arranged in the locking side post grooves thereon, step-shaped grooves are provided on the locking side post, clamping plates and fixing parts matching with the step-shaped groove on the locking side post are arranged in the upper part of the locking side post. A radial return spring of the locking side post is arranged between the fixing parts and the locking side posts. The middle part on one side of the leaf pin is provided with a protruding part matching with the boss with the bits on the key. Only one side of the key is provided with the boss of a thinner thickness. The lock of the invention has simple structure, less components and easy processing, and is capable of preventing a thicker tool from being inserted in a lock hole for violent unlocking.

The invention discloses a novel anti-theft lock. The novel anti-theft lock comprises a lock body, a lock cylinder arranged in the lock body and a key paired with the lock cylinder, wherein a spring assembly, a blade assembly and an irregular spring assembly are respectively arranged between the lock body and the lock cylinder; a spring groove, a snakelike groove and an outer milled teeth grove, corresponding to the spring assembly, the blade assembly and the irregular spring assembly, are respectively arranged on the key; when the lock needs to be unlocked, the paired key is inserted, and the lock can be successfully unlocked only when the spring assembly, the blade assembly and the irregular spring assembly are simultaneously opened; the novel anti-theft lock is complex in structure an is difficult to technologically unlock by a theft; and the novel anti-theft lock is further provided with a drilling-prevention pin which is used to prevent the theft from damaging the lock cylinder by using a tool and forcibly unlocking, and thus, the anti-theft property of the novel anti-theft lock is further increased.

An idling lock comprises a lock cylinder, an engineering vane, a common vane, an engineering key and an owner key. The lock cylinder is provided with a spring, a spring head can extend into a vane groove and abut against the end face of the engineering vane, the engineering vane is provided with a W-shaped notch, and engineering key teeth are not contacted with the engineering vane, but owner key teeth are contacted with the engineering vane. After the owner key is inserted, the engineering vane moves, the spring head is separated from a lower frame edge of the engineering vane and is buckled on the side face of a protruding block along the protruding block, and the engineering vane can not recede so that after the owner key opens the lock, the engineering key can not be used for unlocking. By means of the design of the idling structure, the situation that the engineering key is changed into the owner key for use is effectively prevented. Besides, due to special-shaped design of the engineering vane and the engineering spring and special arrangement of a special-shaped strip and a limiting strip, any kind of technical unlocking can be prevented. Besides, an anti-drill bolt, an anti-drill card and an embedded block are arranged in each lock, so any violent unlocking can be prevented.

The invention discloses an adjustable intelligent lock capable of achieving idling. The adjustable intelligent lock comprises a first lock body and a second lock body, and the second lock body is located in a door; the first lock body comprises a shell, a clutch assembly and a controller, wherein the shell is located outside the door, the clutch assembly comprises a driving mechanism, a transmission shaft and a transmission rod, and the controller and the driving mechanism are located in the shell; the transmission rod is used for being matched with a lock hole of an anti-theft lock and provided with an inner hole in the axial direction of the transmission rod, one end of the transmission shaft is connected with the shell, and the other end of the transmission shaft penetrates through the inner hole; the controller is used for receiving an unlocking instruction and controlling the driving mechanism to move according to the unlocking instruction, and then the transmission rod is fixed to one end of the transmission shaft; and the other end of the transmission rod is clamped in the second lock body. According to the adjustable intelligent lock capable of achieving idling, the shell of the first lock body is fixed to the transmission shaft, the transmission shaft penetrates through the transmission rod, the transmission shaft only can idle in the transmission rod in a non-unlocking state, therefore, the difficulty of violent unlocking is increased, and violent unlocking is effectively prevented.

The invention discloses a wheel transmission mechanical lock cylinder and a dragon holding cylinder type key, belongs to keys, is suitable for various locks, eradicates the geneogenous defect of the displacement distance of several millimeters of a traditional mechanical lock cylinder, prevents technical unlocking and violent unlocking, and retains the advantages of the traditional mechanical lock cylinder. A dragon like guide rail or guide rail groove on a key body is held on a hollow cylinder; when a key is pushed in, a set of thinner annular transmission wheels in the lock cylinder slides on the guide rail or the guide rail groove, and rotates around the cylinder at the same time, so that the displacement distance is increased to reach several centimeters; after the key is inserted in, a brake wheel is rotated by a push button on a key handle; concave and convex parts on the brake wheel are used for extruding all the wheels, so that all the wheels form a whole; at this time, a transmission rod is fed in a transmission rod groove under the effect of a spring piece; the key is rotated to drive the transmission wheels to push the transmission rod; a poking bolt is rotated to poke a lock tongue to achieve the unlocking purpose; and when the key is pulled out, the wheels are firstly loosened, and then, the key is pulled out.

The invention discloses a dual violence-resistant unlocking structure. The dual violence-resistant unlocking structure comprises a lock case, a lock case inner sleeve and a lock cylinder, wherein a first transmission block is arranged at the tail end of the lock cylinder, a kidney-shaped mounting hole matched with the lock cylinder is formed in the middle of the first transmission block, and a fixing key clamped in the lock cylinder is arranged on one side of the kidney-shaped mounting hole; the first transmission block is further provided with a second transmission block, and the first transmission block is provided with a clamping slot adapted to the second transmission block; at least one draw pin locating slot is formed in the tail ends of the lock case an the lock case inner sleeve, the draw pin locating slot extends from the outer wall of the lock case to the lock case inner sleeve, and a draw pin is arranged in the draw pin locating slot; a torsional spring pressing the draw pininto the draw pin locating slot is also arranged at the tail end of the lock case; and the first transmission block is provided with an arc groove adapted to the draw pin, and the other end of the draw pin is arranged in the arc groove. The dual violence-resistant unlocking structure has a good anti-theft function and can be widely used in the anti-theft field of automobile locks.

The invention discloses a novel violent opening prevention pin tumbler lock cylinder. A breaking groove easy to break is formed in a lock shell, the breaking groove is located between a first through groove and an assembling groove, a key inserting hole is formed in one end of an outer lock container, an inner groove is formed in the other end of the outer lock container, an elastic driving piece is arranged in the inner groove, a sleeve cavity is formed in a shifting wheel, one end of the driving piece extends into the sleeve cavity, an inner lock container is arranged in a second through groove in a penetrating manner, a part of the inner lock container extends into the sleeve cavity of the shifting wheel to abut against the driving piece, a telescopic stop end is arranged on the inner lock container, and a stop groove where the stop end is clamped is formed in the sleeve cavity of the shifting wheel. The novel violent opening prevention pin tumbler lock cylinder has the function of effectively preventing violent unlocking, and the safety performance of the lock is greatly improved.

The invention discloses a lock adopting a leaf pin idling lock core structure and a key. A locking side post matching with a V-shaped groove on a leaf pin is arranged on the front lock core of the lock, a sliding block groove communicates with the locking side posts. A lockpin is arranged in the lockpin sliding slot on the rear lock core. The sliding block radially matching with the locking side post is arranged in a locking side post groove. At least two contact parts with inclines are provided along the axial direction of the lock core between the sliding block and the locking side post. One end of the sliding block is positioned in the sliding block slot and is contacted with the lockpin on the rear lock core. One side of the leaf pin is provided with a protruding part matching with the boss with bits on the key. Only one side of the key is provided with the boss of a thinner thickness. The lock is capable of reducing the mutual opening rate and preventing a thicker tool from being inserted in a lock hole for violent unlocking.

The invention discloses a blade lock with the radial displacement being mutually controlled through a front locking mechanism and a rear locking mechanism. The blade lock comprises a lock body, a lock cylinder, a front brake bolt, a rear brake bolt, a front blade mechanism, a rear blade mechanism, a lock gate and a key. The front brake bolt and the rear brake bolt are arranged side by side between the lock body and the lock cylinder and matched with the front blade mechanism and the rear blade mechanism which are installed inside the lock cylinder to form the front locking mechanism and the rear locking mechanism respectively. The front locking mechanism controls the rear locking mechanism to rotate. The rear locking mechanism controls decoding conditions of the front locking mechanism through a control mechanism. Before the rear brake bolt moves in place, the front locking mechanism does not have the decoding conditions. After the rear locking mechanism is decoded, a spring pushes the rear brake bolt to move downwards in place in the radial direction, the lock gate is closed at the time, control over the front locking mechanism is released by the control mechanism so that the key can decode the front locking mechanism, and unlocking is achieved by rotating the lock cylinder. According to the blade lock, the novel idea and method for replacing time difference with potential difference is adopted, and at present, the blade lock is one of the most effective locks for preventing technological unlocking and violent unlocking in the world.

The invention discloses an anti-theft device capable of preventing an anti-theft door from being picked and giving an alarm in time. The anti-theft device comprises a processing box body, wherein a processing cavity is formed in the processing box body, an alarming device is arranged in the processing cavity, and the alarming device comprises a lever which is rotationally connected with the innerwall of the rear side of the processing cavity. The anti-theft device capable of preventing the anti-theft door from being picked and giving the alarm in time is an auxiliary device for an anti-theftdoor lock, one channel is additionally arranged on the front side of a lock hole, and anti-theft work is achieved by changing closing of the channel; and when operation of an illegal person is sensed,the equipment can automatically give out alarm sound to remind other people, and in addition, the channel in front of the lock hole is completely locked through a protection device, so that violent unlocking of the illegal person is prevented, and the personal and property safety is favorably protected.

The invention discloses an antitheft lock. A lock base, a lock cylinder, a locking assembly, a key and a lock fork are included. The lock base is provided with lock holes, and a plurality of lock bodies are movably arranged in the lock holes. The lock cylinder is rotationally arranged in the lock base in a connected manner and rotates between the locking position and the unlocking position, and the lock cylinder is provided with second lock bodies, wherein the number of the second lock bodies is the same with the number of the first lock bodies. When the lock cylinder is located at the lockingposition, the second lock bodies are aligned with the first lock bodies, and when the lock cylinder is located at the unlocking position, the second lock bodies are staggered from the first lock bodies. The locking assembly is movably arranged in the lock base and is in transmission connection with the lock cylinder. The key is provided with lock protrusions, wherein the number of the lock protrusions is the same with the number of the second lock bodies. The lock fork is provided with fork feet capable of stretching into the lock holes. When the lock cylinder is located at the locking position, the fork feet are in clamping and connecting fit with the locking assembly, and when the lock cylinder is located at the unlocking position, the fork feet are separated from the locking assembly.The whole antitheft lock is compact in structure, and compared with a complex antitheft lock structure in the prior art, violent unlocking and technical unlocking difficulty can be more effectively improved.

The invention discloses a lock linkage structure which comprises a driving part, a handle and a first linkage mechanism; a linkage hole is formed in the driving part; the handle and the driving part can relatively rotate; the first linkage mechanism comprises a first linkage rod, a rotary piece and a first reset elastic piece; the first linkage rod is fixed with the handle in the circumferential direction to rotate along with the handle so as to be aligned with the linkage hole; the first linkage rod can move in the axial direction relative to the handle and can be inserted in or separated from the aligned linkage hole; the rotary piece is in transmission joint with the first linkage rod; when the rotary piece moves towards a first direction, the rotary piece can be linked with the first linkage rod to be separated from the linkage hole and prevents the first linkage rod from moving in the direction close to the linkage hole; when the rotary piece moves towards a second direction, therotary piece removes stop to the first linkage rod; and the first reset elastic piece is used for providing the elastic stress enabling the first linkage rod to be inserted in the linkage hole. The lock linkage structure can prevent violent unlocking and can increase the security coefficient. The invention further discloses a lock.

The invention provides a U-shaped electronic anti-theft lock. The U-shaped electronic anti-theft lock comprises a U-shaped lock rod, a lock beam and a locking device. The lock beam comprises an outerlayer shell, a metal sleeve with the two ends being opened and an inner layer shell. The metal sleeve is connected to the outside of the inner layer shell in a sleeving mode, and the outer layer shellwraps the metal sleeve and the inner layer shell. The inner layer shell comprises a main shell body and a bottom cover, and the main shell body and the bottom cover are detachably mounted. The main shell body is provided with a waterproof convex edge, and the bottom cover is provided with a waterproof groove. The waterproof convex edge and the waterproof groove are matched for arrangement. The main shell body is further provided with a circuit cavity capable of containing a circuit board and a lock rod groove. The lock rod groove contains the inserting end of the U-shaped lock rod. The circuit cavity and the lock rod groove communicate with each other. A waterproof rubber mat is further arranged between the circuit cavity and the lock rod groove. The top of the waterproof rubber mat is located in the lock rod groove, and the bottom of the waterproof rubber mat is located in the circuit cavity. The circuit board is provided with a shift knob, and a contact of the shift knob is connected with the bottom of the waterproof rubber mat in a touching mode. By adoption of the U-shaped electronic anti-theft lock, the anti-theft performance can be enhanced; and meanwhile, the leakproofnesscan be reinforced, and circuit stability can be improved.