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 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 relates to a large-side lock anti-theft door having a sectional bar at the lateral side of a door leaf lock, comprising a door leaf containing a door leaf panel (11) and a door leaf backboard (12), wherein the door leaf is provided with a main lock (1) and a side lock (2) acting synchronously with the main lock (1); the lateral side of the door leaf lock is provided with a guide groove in which a side lock extension pole (3) of the side lock (2) is located; and a side lock strip (4) is fixed at the front end of the side lock extension pole (3). The large-side lock anti-theft door is characterized in that a U-shaped lock sectional bar (6) with two lateral wings is fixed at the lateral side of the door leaf lock; the two lateral wings of the lock sectional bar (6) are fixed onthe lateral side of the door leaf lock; the U-shaped part of the lock sectional bar (6) is placed in the guide groove, and an opening is arranged at the bottom of the U-shaped portion; the side lock extension pole (3) passes through the bottom opening of the U-shaped portion and extends into the U-shaped portion; and when the side lock extension pole (3) is displaced to the maximum, the tail partof the side lock strip (4) is always located in the U-shaped portion.

The invention discloses a stainless steel totally-enclosed spring lock, comprising a lock head, a lock beam, a lock latch and an alarm and the like, wherein the lock beam is treated by quenching; the lock latch is made of thickened type stainless steel square tube with good quality and high strength; an inner container is chained in the whole length of the square tube and is also made of thickened type square tube; and stainless steel cover plates at the two ends are totally enclosed by full welding, so that the performances such as rust prevention, shearing resistance, prying resistance, sawing resistance and smashing resistance of the stainless steel totally-enclosed spring lock are better. A self-locking part adopts combination of a stopping sleeve with a small upper part and a large lower part, a steel ball retainer, steel balls and a spring; when in unlocking, the lock beam is ejected automatically without separating from the lock latch; and a short foot of the lock beam is aligned to a hole position of the lock latch to press downwards and lock automatically. Therefore, the stainless steel totally-enclosed spring lock is flexible and convenient to use.

The invention relates to a high-safety angle locking cam and a key, and belongs to manufacturing technology of hardware locks. A set of L-shaped marbles and a set of angle flange marbles are assembled in a lock core, and the two rows of the marbles are arrayed at intervals. The lateral surfaces of the two rows of the marbles are assembled with safety combs which are provided with bolts and steps, and each L-shaped marble is provided with a cylinder head which is matched with a wave groove of the key, so that the safety combs are simultaneously matched with the L-shaped marbles and the angle flange marbles. The locking cam and the key have the advantages of novel design, compact structure, accurate assembly and high safety. The invention comprises the lock core (2), an anti-drilling steel branch (17), and the like, and is characterized in that the angle flange marble holes (11) are cutted in the lock core (2), and the angle flange marble holes are assembled with the angle flange marbles (12); one side of the lock core (2) is assembled with the L-shaped marbles (3); one side of the L-shaped marbles (3) is connected with the safety combs (6); convex steps (6-2) of the safety combs are embedded into the L-shaped marbles (3); and the safety comb bolt (16) is embedded in a safety comb bolt inserting hole (13) of the angle flange marbles (12).

The invention relates to a combined wooden-face and steel-core doorframe structure and the installing method thereof, characterized in that: its main doorframe is composed of steel reference frame and wooden reference frame, where one end of the steel reference frame is equipped with a second locating groove but the other end not equipped with any locating groove and the first locating groove is arranged on the wooden reference frame. And the installing method: firstly connecting the steel reference frame with the wooden reference frame to form a main doorframe; then prefixing the main doorframe in door holes and fixing the main doorframe on wall by foamed adhesive and expansion bolt; then socketing an auxiliary doorframe with the main doorframe; installing face lines and finishing the installing operation.

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 electroniccircuit 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 providedwith 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 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 designs an electric energy meter theft prevention sealing structure which solves the technical problem of low productivity because the traditional electric energy meter seal is still manually operated. The electric energy meter theft prevention sealing structure comprises a meter shell and a meter body, wherein the meter shell is provided with a screw hole, and a screw is fixedly connected with the meter body after penetrating through the screw hole. The electric energy meter theft prevention sealing structure is characterized in that a seal cap with an outer folding edge at thelower part is arranged on the screw; a metal ring is sleeved outside the seal cap; the metal ring is abutted against the outer folding edge, and the outer wall is provided with a plurality of buckling pieces which are outwards inclined and opened to the upper part; the buckling pieces are circumferentially arranged; the inner wall of the surface shell arranged at the upper part of the screw hole is provided with an annular projection; and the buckling pieces are positioned at the lower part of the annular projection to form inversed buckling. The invention can visually find out damage traces and replace the damaged electric energy meter in time and has the advantages of good electricity theft prevention effect, high inversed buckling matching strength, good pickproof performance, convenience in processing, simplicity in sealing operation and high productivity.

The invention discloses an idling clutch type anti-theft lock core, which is composed of a lock core outer seat and a lock core main body arranged in the lock core outer seat. A key insertion hole is opened on the lock core main body. A transmission piece is provided, and a transmission piece spring is arranged on the lock core at the tail end of the transmission piece. Several rows are combined with right-angled beads in pairs, elastic pieces are arranged above the right-angled beads, and a pin is arranged on the main body of the lock cylinder above the elastic pieces. The idling clutch type anti-theft lock cylinder adopting the above structure has the advantages of good anti-theft performance, safety and reliability, and convenient use.

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.

An inlaid electronic anti-theft lock and a door with the lock, the inlaid electronic anti-theft lock includes an electronic lock box, a lock body, a front panel and a rear panel; the front panel is provided with a front handle, a clutch main body, a clutch shaft, Clutch steel pin, anti-drilling plate, anti-pick fence, driving device, mechanical push plate, mechanical structure plate and mechanical pair lock; the rear panel is provided with rear handle, rear clutch connecting piece, rear clutch button, battery box and a battery box cover; the battery box is connected with the electronic lock box, and the electronic lock box is connected with the driving device. The present invention also includes a door with the inlaid electronic anti-theft lock. The invention has the advantages of convenient installation, stable structure, low manufacturing cost, good anti-prying performance, difficult technical opening and high safety performance.

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 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 an electric door lock bolt driving device which comprises a driving motor (24). The electric door lock bolt driving device is characterized in that an output shaft of the driving motor (24) is connected with an input shaft of a reduction gearbox (3), the reduction gearbox (3) is provided with two output shafts, a first output shaft (20) is connected with a first driving shaft (7) by a first driving device (25) arranged on the first output shaft, the first driving shaft (7) is opposite to one side of a locking oscillating block (6) so as to drive the locking oscillating block (6) to lock and unlock a bolt, and the other side of the locking oscillating block (6) is opposite to a retreating stop step (5) on the bolt (2); and a second output shaft (9) of the reductiongearbox (3) is connected with the bolt (2) by a second driving device (26) and drives the bolt (2) to move in a guide mechanism (4). The electric door lock bolt driving device has a simple structure,and is reliable in action, good in anti-prizing performance, low in energy consumption, and long in service life.