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

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 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 a locking head with multiple rows of cross bullets, T-shaped bullets and a humper, and a key, belonging to the hardware lock industry, and comprising the key 1, a lock core 2 and so on. The invention is characterized in that the multiple rows of bullet holes 50 are arranged above a key groove 31 of the lock core 2 and bullets 51 are arranged in the bullet holes 50; multiple rows of flat bullet holes 52 are arranged in the locking head 3 and anti-drawing flat bullets 53 and a spring 54 are arranged in the bullet holes 52; T-shaped bullet holes 9 are arranged under the key groove and T-shaped bullets 4 and the spring 10 are arranged in the T-shaped bullet holes 9; a humper groove 8 is arranged under the T-shaped bullet holes 9, the humper 6 is arranged in the humper groove 8 and springs 5 are arranged at two ends of the humper 6; a V-shape groove 7 is arranged on the locking head 3 relative to the humper groove 8; said T-shaped bullet 4 comprises a body 4-1, a column head 4-2 and a rectangle groove 4-3. The invention has novel design, compact structure, high secret key performance and good theftproof performance.

The invention relates to a pickproof door lock structure comprising a door leaf, a lock body and a lock cylinder. The pickproof door lock structure further comprises a reinforcing plate and a lock protector. The door leaf comprises an outer face plate and an inner face plate. The reinforcing plate is fixedly installed on the inner side of the outer face plate. A support hole is formed in the reinforcing plate. The lock protector is installed in the door leaf and comprises a lock sleeve part and a mounting part. The lock sleeve part penetrates through the support hole and the mounting hole andextends out from the surface of the outer face plate. The mounting part is fixedly connected with the reinforcing plate. The lock sleeve part is provided with an inner cavity. The lock cylinder is contained in the inner cavity. According to the pickproof door lock structure, the strength of a door lock is high, and pickproof performance is good.

The invention discloses a lock cylinder structure which comprises a lock cylinder body; a keyhole for inserting a key is arranged in the lock cylinder body; a hollow cavity is arranged in the lock cylinder body; a linkage plate is arranged in the hollow cavity; upper positioning slots are respectively arranged at the upper end of the linkage plate along the direction of the keyhole, and lower positioning slots are respectively arranged at the lower end of the linkage plate along the direction of the keyhole; upper billiard holes are sequentially distributed in the radial direction in the lock cylinder body above the linkage plate, and lower billiard holes are sequentially distributed in the radial direction in the lock cylinder body below the linkage plate; lower billiards are located in the lower billiard holes, with the upper ends propping in the lower positioning slots; upper billiards are located in the upper billiard holes, with the lower ends propping in the upper positioning slots; and the upper ends of the upper billiards match with lock body billiards. The lock cylinder structure provided by the invention has good anti-prising performance and high safety.

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.