30results about How to "Good pry resistance" patented technology

The invention discloses an electronic lock core with clutch, which comprises a mechanical rotary core, a rotor, a clutch-plate, an electronic rotary core, a rotating disk, and a mounting disk. The rotor is arranged in the mechanical rotary core, the upper part of the rotor is provided with the clutch-plate, and the upper part of the clutch-plate is provided with the electronic rotary core; the central parts of the rotor, the clutch-plate, and the electronic rotary core are provided with through holes; the inside of the electronic rotary core is provided with an electromagnet and an electronic circuit arrangement, a contact fixing plate is arranged on the rotating disk, and a rotating clutch-plate is arranged in the mounting disk. The invention also discloses an electronic lock system including the electronic lock core, which comprises the electronic lock core, an electronic key, and a lock casing, wherein the electronic key comprises a key rod and a key casing; the key rod is provided with a rotating guide groove, the inner cavity of the key rod is provided with electronic elastic contacts, and the inside of the key casing is provided with an integrated circuit. The invention is simple in structure, and excellent in pick-proof performance. The key provides the power for the opening of electronic lock core, and the power consumption required by the electronic lock is reduced.

The invention discloses a safe pick-proof electronic lock, which comprises a lock body and a cover plate, wherein the lock body is provided with a motor, a lock tongue module, a driven mechanism module and a duplicate gear, which are connected with an intelligent control circuit board and a power supply, a transmission shaft of the motor is provided with a power gear which is engaged with a large gear of the duplicate gear, a small gear of the duplicate gear is engaged with a driven gear, the lock body is provided with a pick-proof tongue module, the pick-proof tongue module comprises a pick-proof tongue and a pick-proof tongue supporting shaft which is provided with a pick-proof tongue press spring in a socketing way, one end of the pick-proof tongue supporting shaft is fixed on a supporting seat, the other end of the pick-proof tongue supporting shaft is movably connected with the pick-proof tongue, one side of the pick-proof tongue is provided with an arc pendant, and the arc pendant is movably connected with a shifting sheet which is installed on the back surface of the lock body. The safe pick-proof electronic lock has small size, good pick-proof property, reasonable structural design and long service life.

The invention relates to a locking head with multiple rows of cross bullets, T-shape bullets and humper, and the key, belonging to hardware lock industry. It comprises key 1, lock core 2 and so on. It is characterized in that multiple rows of bullet holes 50 are set above the key groove 31 of lock core 2 and bullets 51 are set in bullet holes 50; multiple rows of flat bullet holes 52 are set in locking head 3 and anti-drawing flat bullets 53 and spring 54 are set in 52; T-shape bullet holes 9 is set under the key groove and T-shape bullets 4 and spring 10 are set in 9; humper groove 8 is set on the direction vertical with 9, humper 6 is set in humper groove 8 and springs 5 are set at two ends of humper 6; V-shape groove 7 is set on locking head 3 relative to 8; said T-shape bullet 4 comprises body 4-1, column head 4-2 and rectangle groove 4-3; there are two to five rows of bullet holes 50 and there are two to five rows of flat bullet holes 52; V-shape groove 32 is set in the middle of key; side bullet teeth 17 are set at left-right sides of key 1; triangle cylinders 33 are set up and down in the middle of key groove 31. it is provided with novel design, compact structure and good theftproof performance.

The invention provides an intelligent mortise lock. The intelligent mortise lock comprises a front handle assembly, a lock cylinder, a lock sleeve, an impeller, a front connecting rod and a rear connecting rod; the front handle assembly is internally provided with a main circuit board and a power storage unit, and is fixedly connected with the front connecting rod, the lock cylinder is fixedly arranged in the front connecting rod, and comprises a drive control circuit board, a lock cylinder shell, a cam, a drive assembly and an elastic pressing button, the drive control circuit board is in communication connection with the drive assembly and the main circuit board, the cam is provided with a first magnetic part, the drive assembly is provided with a second magnetic part, and the cam with the first magnetic part is driven to rotate, the impeller is provided with clamping positions, during rotation, the elastic pressing button can be converted between the clamping positions, after beingpressed by the impeller, the elastic pressing button can move towards the interior of the lock cylinder shell, after pressure is removed, automatic resetting is achieved, and after the cam rotates bya certain angle, the elastic pressing button can be clamped and fixed to the cam. Through the lock, the problem that in the prior art, the intelligent mortise lock is poor in safety and reliability issolved.

The invention provides a steel entry door leaf with a good door lock prying-resistant performance. A door leaf panel made of a steel plate is arranged at each of the inner side and the outer side of a door leaf framework, a door lock is arranged beside one side edge near the door leaf, the door lock is provided with an outer lock cover panel and an inner lock cover panel, the outer lock cover panel and the inner lock cover panel are in strip shapes and are provided with handles, a lock body connected by screws is arranged between the outer lock cover panel and the inner lock cover panel, a telescopic lock bolt is arranged on the lock body, operation and control devices used for controlling the lock bolt to extend and contract are arranged on the outer lock cover panel and the inner lock cover panel, the lock body is positioned in a lock box arranged on the door leaf framework, a through hole is formed in the door leaf panel, the shape of the through hole is the positive projection shape of the lock cover panel on a door leaf outer panel, and the lock cover panel is nested in the through hole. The lock cover panel of the door lock is embedded in the through hole formed in the door leaf panel, the shape of the through hole is the positive projection shape of the lock cover panel on the door leaf panel, a gap does not exist between the lock cover panel and the door leaf panel, the potential hidden danger that the door lock can be easily picked is eliminated, the door lock of the steel entry door leaf cannot be easily pried up, and the prying-resistant performance is good.

The invention relates to an embedded plastic sealing mark. The embedded plastic sealing mark comprises a horizontal end cover, clamping buckle legs and a clamping buckle seat, wherein the horizontal end cover is arranged at the upper end of the embedded plastic sealing mark; the embedded plastic sealing mark is characterized in that the horizontal end cover is connected with the clamping buckle seat through side walls on the two sides and the connecting strips at the lower ends of the side walls; the bottoms of the clamping buckle legs are horizontal and provided with upper anti-skid teeth; two wire clamping hole grooves corresponding to the two clamping buckle legs are formed in the clamping buckle seat; the bottoms of the wire clamping hole grooves are horizontal and provided with lower anti-skid teeth; a downward arrow-shaped reinforcing buckle is arranged between the clamping buckle legs; an arrow-shaped reinforcing buckle hole matched with the reinforcing buckle is formed in the clamping buckle seat; downward clamping buckle inverted hooks are arranged on the internal sides of the side walls; clamping buckle inverted hook cavities matched with the clamping buckle inverted hooks are formed in the clamping buckle seat; and connecting columns are arranged between the two sides of the bottoms of the clamping buckle legs and the clamping buckle seat. The embedded plastic sealing mark provided by the invention has the advantages of simple structure, convenient process, low cost, good anti-prying performance as well as convenience and reliability in use.

The invention relates to an anti-pry bolt, which comprises a bolt head and a bolt hole for the bolt head to be inserted into, and is characterized in that: the front end of the bolt head has a head part of which the transverse size is greater than that of the bolt head; the bolt hole consists of a big hole part and a small hole part; the small hole part is positioned on the lower part of the big hole part and is communicated with the big hole part; the transverse aperture of the big hole part is greater than the maximum transverse size of the head part of the bolt head; the transverse aperture of the small hole part is smaller than the maximum transverse size of the head part and grater than the transverse size of the bolt head; and thus, the head part of the bolt head can pass through the big hole part but cannot pass through the small hole part, while the bolt head can pass through the small hole part. Due to the blocking action of the small hole part on the bolt head, the anti-pry performance of the bolt inserting structure is reinforced; and as only transverse and longitudinal movement instead of rotation is performed in the whole action process of the bolt head, the whole bolt inserting structure does not need an extract guide sleeve structure, and the structure is simplified while the anti-pry performance is improved. The invention also relates to the bolt inserting structure of the bolt.

The invention discloses a blade lock which comprises a lock body, a lock cylinder and a key. A number of blade grooves are arranged in the lock cylinder. Three blades which are arranged before and after along the axial direction of the lock cylinder are arranged in each blade groove. A keyhole is arranged in the axial direction of the lock cylinder. The key is provided with a line-shaped groove. The upper side and the lower side of the line-shaped groove are respectively provided with an inner milling machine tooth groove. The upper side or the lower side of the key is provided with an outer milling tooth groove. Each blade is provided with a corresponding face at a corresponding position, wherein the face matches a tooth groove in the key. Due to the three-groove structure of the key, the password amount is very large, and the mutual unlocking rate of a product is very low. Three blades in each blade groove are provided with springs. Technology unlocking must overcome the pressure of the springs. The performance of technology unlocking prevention is greatly improved. The key is provided with the line-shaped groove, and the lock cylinder is provided with a rib which matches the line-shaped groove. Due to the rib, a strong picklocking tool used by a thief becomes fragile. The product has a good pick-proof performance.

The improved bicycle turning lock consists of lock body, locking block, and vertical front frame pipe, and features the locking block with locking hole matching with lock tongue and raised block in the upper inside; the vertical front frame pipe with notch in the upper end matching with the raised block. The present invention has the locking block fixed to the vertical front frame pipe and thus improved anti-theft performance. The present invention is suitable for various kinds of bicycle, engine assisted bicycle and motorcycle.

The invention provides an intelligent mortise lock. The intelligent mortise lock comprises a front handle assembly, a lock cylinder, a lock sleeve, an impeller, a front connecting rod, a rear connecting rod and a rear handle; the front handle assembly is fixedly connected with the front connecting rod, and is internally provided with a main circuit board and a power storage unit; the lock cylinderis fixedly arranged in the front connecting rod, and comprises a drive control circuit board, a lock cylinder shell, a cam, a drive assembly and an elastic pressing button, the drive control circuitboard is in communication connection with the drive assembly and the main circuit board, the drive assembly comprises a drive part and an elastic spiral part, the driving part is provided with a protrusion, one end of the elastic spiral part is clamped to the protrusion in a gap manner through threads, the other end of the elastic spiral part abuts against the cam, a transmission shaft is sleevedwith the cam, the impeller is provided with clamping positions, the elastic pressing button can be converted between the clamping positions, the elastic pressing button can move towards the interior of the lock cylinder shell, after pressure is removed, automatic resetting is achieved, and after the cam moves forwards, the elastic pressing button can be clamped on the cam. Through the lock, the problem that in the prior art, the intelligent mortise lock is poor in safety and reliability is solved.