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128results about How to "Strong anti-theft" patented technology

Modified door lock mechanism

InactiveCN103615154ATo achieve the purpose of anti-violent sabotage openingCompact designLock casingsLocking mechanismEngineering
The invention relates to a modified door lock mechanism comprising cylinder blocks, cylinder shafts and an unlocking shift wheel. The unlocking shift wheel is in drive connection with the cylinder shafts through drive blocks. The drive blocks penetrate fixing blocks disposed between the unlocking shift wheel and the cylinder shafts. Each fixing block is sleeved with a ring and provided with an internal through locking pinhole which accommodates a drive pin. Each cylinder shaft is provided with a balance spring and an ejector pin inside. The unlocking shift wheel is eccentrically provided with a sliding locking pin inside. Two ends of the sliding locking pin are fitted to the ejector pins on two sides respectively through the drive pins in the locking pinholes on two sides. The fixing blocks are connected with the cylinder blocks through screws. The cylinder blocks are sleeved with a protective sleeve by means of clamping, and the protective sleeve is provided with protective jaws pressing against the rings. According to the modified door lock mechanism, when one lock cylinder on one side is forcibly broken, rotating and unlocking of the unlocking shift wheel can be actively limited; the modified door lock mechanism has the advantages of compact structure, good burglar prevention, wide range of application and high reliability.
Owner:WENZHOU JINFU LOCK LTD

Lock cylinder mechanism with improved design

ActiveCN105696865ATo achieve the purpose of anti-violent sabotage openingCompact designCylinder locksEngineeringFlange
The invention relates to a lock cylinder mechanism with an improved design. The lock cylinder mechanism comprises an inside lock cylinder body and an outside lock cylinder body which are connected through a connecting rod, wherein a first spring is arranged between an inside lock cylinder shaft and an inside transmission block, a second spring is arranged between the inside transmission block and an outside transmission block that are opposite in an unlocking dial wheel, a shaft sleeve is arranged in an outside cavity of the unlocking dial wheel, a flange joint of an outer dial wheel of the outside transmission block penetrates through an opening of the shaft sleeve to be opposite to a flange joint of an inner dial wheel of the inside transmission block, a locking slot and a first blind hole are axially formed in the flange joint of the outer dial wheel of the outside transmission block, a third spring and a round-headed deadbolt pin are mounted in the first blind hole, locking pieces are hinged symmetrically to two sides in the locking slot, stressed inclined planes are formed at the rear ends of the two locking pieces to be propped against the round-headed deadbolt pin, and the front ends of the two locking pieces are limited by the opening of the shaft sleeve. Through the design, when the lock cylinder body on one side is destroyed violently, rotary unlocking of the unlocking dial wheel can be limited, and therefore, the lock cylinder mechanism has the advantages of compact structure, good burglarproof performance, wide application range and high reliability.
Owner:徐钜祥

Separation and reunion device

The invention discloses a separation and reunion device which comprises a rotary shaft, a rotary disc and a bracket, wherein the rotary shaft is inserted in an inner hole in the middle of the rotary disc; a plurality of axial clamping slots are formed in the side wall of the rotary shaft; the inner hole of the rotary disc is provided with limiting fixture blocks, and the number of the limiting fixture blocks is corresponding to that of the clamping slots; the limiting fixture blocks are clamped in the clamping slots to limit mutual rotation between the rotary shaft and the rotary disc; an elastic piece is arranged between the limiting fixture blocks and the inner wall of the rotary disc; the limiting fixture blocks are stressed by external force to compress the elastic piece to separate the limiting fixture blocks from the clamping slots, so that rotation between the rotary shaft and the rotary disc is realized; the bracket is connected with an electromagnetic device; a locking openingis formed in the side wall of the rotary disc; and the electromagnetic device stretches out of the locking rod and inserts the locking rods into the locking opening to lock the rotary disc. The separation and reunion device is simple in structure, low in manufacturing cost and high in working reliability, can generate high anti-theft capacity when being applied to an electronic lock, and can ensure that a lock is not unlocked and also protects internal parts when the lock is unlocked violently.
Owner:NINGBO WANGTONG LOCKS

Box cabinet of switching box of electrical cabinet

The invention relates to a box cabinet of an electrical cabinet switching box. The box cabinet comprises a box cabinet housing and a box cabinet door which are articulated, wherein a wiring end is arranged in the box cabinet housing, a lock is arranged on the box cabinet door, a circuit control board and an electronic signal receiver are arranged in the lock, a system control module, a power supply module, a camera module and a system control module switch are arranged in the box cabinet housing, the circuit control board, the electronic signal receiver, the camera module and the system control module switch are respectively connected to the system control module and the power supply module, and the system control module switch is matched with the box cabinet door. Through the specific design, image information of specific box opening operation staff of the box cabinet/box cabinets of the single or the multiple electrical cabinet switching boxes and information of opening and closing states of the box cabinet/box cabinets can be uploaded to a remote server and be subjected to real-time monitoring by a terminal device, and the box cabinet has the advantages of compact structure, convenience in operation and use, high reliability and strong anti-theft performance.
Owner:ZHEJIANG ZHONGZHENG LOCK CO LTD

Limiting interior door safety lock

The invention discloses a limiting interior door safety lock. A ringing device is arranged at one side adjacent to an installation soleplate, a driving shaft and a locking shaft are installed in a driving shaft sleeve and a locking shaft sleeve which are intersected with each other, threads on the locking shaft are engaged with a gear disc on the driving shaft, a presser leg on the lower top end of the locking shaft stretches out of the bottom of an outer shell, a drive rod is inserted in an open slot of the outer shell to be connected with the driving shaft, the locking shaft is driven to stretch in the vertical direction by the swinging of the drive rod, when the drive rod is shifted downwards, a locking part which is connected with the drive rod is tightly connected with a locking column in a buckling manner, the presser leg on the lower top end of the locking shaft tightly pushes against the floor, a door body is locked, an interior door outer lock is prevented from being opened, and a door opening prompting function and an antitheft effect can be realized. After a free end of the drive rod is transferred upwards, a magnetic connecting part of the drive rod is matched with a door stopper seat in a suction manner, a door stopper function is realized, so that the door body can be fixed.
Owner:衡水道远环保科技有限公司

Embedded type sealing barrel cover and production method thereof

The invention relates to an embedded type sealing barrel cover and a production method thereof, wherein the barrel cover comprises a main cover plate and a periphery frame plate connected to the periphery of the main cover plate; the main cover plate is provided with a circular opening; a flange part where the main cover plate surrounds the circular opening is a notch part, and the rim section of the notch part is a transverse U-shaped groove; a sealing rubber cover consists of an independent cover cap member and an independent inner plug member; a cover cap body, a cover cap draw ring and an anti-theft ring are sequentially connected from inside to outside to form the cover cap member; a rim part, an inner plug body, a port part, a pulling cover and a draw ring are mainly sequentially connected from outside to inside to form the inner plug member; the inner plug member also comprises a group of guide sheets, and the guide sheets are connected with the inner lateral face of the inner plug body and exert blockage on material passing in a degree during usage; and the periphery edge of the anti-theft ring and the periphery edge of the rim part are fixedly connected in a welding mode by melting plastics through a rubber coating and injection molding method, and the melting plastics are used for forming the notch part of the main cover plate in the process of the injection molding of a barrel cover body.
Owner:常州威康特塑料有限公司

Electrical cabinet door lock with lock box

The invention relates to an electrical cabinet door lock with a lock box. The electrical cabinet door lock with the lock box comprises a lock box body and a box cover hinged to the lock box body. An unlocking rotation shaft is located and installed on a support plate in the lock box body. An unlocking handle is connected to the unlocking rotation shaft and provided with a magnetic block and a protruding locking portion. The locking portion penetrates the support plate, and the corner of the lower end of the locking portion forms a push and press portion. A lock cylinder is installed in the locking portion. A shift lever is eccentrically arranged at the bottom of the lock cylinder and connected with a sliding lock plate. A coil support is arranged below the support plate and located on one side of the locking portion. An electromagnetic coil and a circuit board which are electrically connected are fixed to the coil support. The circuit board is provided with a sensor matched with the magnetic block. A sliding lock pin is located and arranged in the electromagnetic coil in a sliding manner. The sliding lock pin is sleeved with a first reset spring. The first reset spring is located between the electromagnetic coil and a locating sheet fixed to the sliding lock pin in the radial direction in an abutting manner. One end of the sliding lock pin is matched with the sliding lock plate. The electrical cabinet door lock with the lock box has the beneficial effects of being compact in structure, convenient to operate and use, high in anti-theft performance and high in reliability.
Owner:ZHEJIANG ZHONGZHENG LOCK CO LTD

Novel accounting safe box

The invention discloses a novel accounting safe box which comprises a bottom plate, wherein a box body A is fixed on the top surface of the bottom plate; a rubber layer is attached to the outside of the box body A; a square through hole A is formed in the upper part of the side surface of the box body A; a supporting frame is fixed in the square through hole A; the supporting frame is hinged witha box door A through a hinge; the box door A is in a square shell shape; sliding chutes are respectively formed in two sides of the inner wall of the box body A; the sections of the sliding chutes areT-shaped; and T-shaped sliding blocks are arranged in the sliding chutes in a sliding manner. The novel accounting safe box disclosed by the invention is provided with the box body A, a box body B, abox body C and a box body D; objects can be stored on different layers according to the types, the significance, the secrecy degrees and the use frequencies of the stored objects; custodial staff canjudge whether the safe box is safe or not by observing a display lamp and an alarm device, so that the working efficiency of the custodial staff is improved, and the security of important files is guaranteed; the novel accounting safe box is higher in burglar resistance and is easier and more convenient to use; furthermore, the novel accounting safe box has a fireproofing function, so that the objects in the safe box are safer; and the novel accounting safe box is high in use efficiency, more practical and more reliable.
Owner:刘晓宇

Flat gate valve

The invention discloses a flat gate valve and belongs to the field of equipment for oil extraction in oilfields. The flat gate valve comprises a valve body, a gate plate, a leads crew and a connectingrod, wherein the gate plate is arranged in the valve body; the connecting rod is in threaded connection with the gate plate; the length direction of the connecting rod is parallel to the plate surface of the gate plate; a through hole along the length direction of the lead screw is formed in the lead screw; the lead screw sleeves the connecting rod through the through hole and is in threaded connection with the connecting rod; and after the flat gate valve is closed, the connecting rod is separated from the flat gate valve by rotating the connecting rod. According to the flat gate valve disclosed by the invention, the gate plate and the lead screw are connected through the connecting rod, the connecting rod is in threaded connection with both the gate plate and the lead screw, and the flat gate valve is hard to open or close after the connecting rod is dismounted; accordingly, the problems that in the relevant arts, a conventional flat gate valve is easy to open, a lawbreaker can easily open the conventional flat gate valve by rotating a hand wheel and steal crude oil from an oilfield pipeline, and the anti-theft performance of the conventional flat gate valve is relatively poor are solved; and the flat gate valve disclosed by the invention achieves the effect of being relatively strong in anti-theft performance.
Owner:PETROCHINA CO LTD

Improved structure of door lock of electrical cabinet

The invention relates to an improved structure of a door lock of an electrical cabinet. The improved structure comprises a lock body, a lever handle and a locking shaft, wherein a coil bracket is arranged in the lock body; a solenoid coil is fixedly arranged in the coil bracket and the solenoid coil is connected with a circuit board; a contact switch and a lever handle inductor are arranged on thecircuit board; a slide lock pin is arranged in the solenoid coil; a first return spring sleeves outside the slide lock pin; the slide lock pin is matched with a locking hole in the lever handle; a return tongue is arranged above the coil bracket; a return slide slot is formed in the return tongue; the return slide slot is in sliding fit to a stop pin fixedly arranged on the top of the coil bracket; the stop pin abuts against a second return spring in the return slide slot; the front end part of the return tongue is matched with the locking part; a lock cylinder, a spring bolt, a card-swipinginductor and a trigger switch are mounted in the lower end part of the lock body; a driving lever for driving the spring bolt to move is arranged on the lock cylinder in an eccentric mode; a pushing rod and a pressure table are further arranged on the spring bolt; and the pushing rod and the pressure table are separately matched with the slide lock pin and the contact switch. The improved structure has the advantages of being compact in structure, convenient to operate and use, strong in burglar resistance and high in reliability.
Owner:ZHEJIANG ZHONGZHENG LOCK CO LTD

Anti-theft lock

The present invention discloses an anti-theft lockset, belonging to the field of hardware, mainly characterized in that the key comprises a key handle (1), a connecting portion (2) and a key head (4), the key head (4) being mounted on the connecting portion (2), the connecting portion (2) being connected to the key handle (1); columns are provided around a hole, into which the key head (4) is to be mounted, on the connecting portion (2); a long hole (28) is formed on the key head (4); sliders (7) corresponding to the columns (3) are provided in the lock cylinder (12), and a conical chute (8) or bulge (30) fitted with the pin tumbler (23) in the fourth pin tumbler hole (10) is provided on the slider (7); the pin tumbler (22) in the third pin tumbler hole (11) is matched with biting (5) on the key head (4); a slide bar (14) is provided in the lock cylinder (12), with a plurality of flanges (15) different in the outer diameter being provided on the slide bar (14); the pin tumbler (24) in the sixth pin tumbler hole (13) is resisted against the outer circumferential walls of the flanges (15); the slide bar (14) can extend into the long hole (28) of the key head (4); and springs (9, 17) are provided at ends of both the slider (7) and the slide bar (14). The present invention has such a scientific and reasonable structure, achieves multiple and effective guarding against theft and even eliminates the possibility of technical unlocking.
Owner:RUIAN ZHENGQUAN LOCK IND

Electric energy meter sealing device with radio frequency identification function and sealing method

In order to solve the technical problems that a traditional electric energy meter sealing device and method are complex in operation and poor in anti-theft performance, the environment is polluted, and informationization management is difficult to conduct, the invention provides an electric energy meter sealing device with the radio frequency identification function. The electric energy meter sealing device with the radio frequency identification function comprises a fixing barrel bottom sleeve component and a clamping cover component; the fixing barrel bottom sleeve component comprises a barrel wall, a barrel bottom, inner wall clamping tables and a barrel bottom through hole; the clamping cover component comprises a radio frequency identification tag and a clamping cover body; the clamping cover body comprises a cover cap, a cover root, an identification tag installation cavity, an elastic connecting part, a columnar body and a clamping tongue table; the at least two inner wall clamping tables are arranged on the inner side of the barrel wall; the barrel bottom through hole is formed in the center of the barrel bottom; the identification tag installation cavity is formed in the center of the cover cap; one end of the columnar body is connected with the cover cap through an elastic connecting part; the other end of the columnar body is connected with the clamping tongue table; and the radio frequency identification tag is arranged in the identification tag installation cavity. The electric energy meter sealing device has the beneficial effects of being convenient to install, high in sealing efficiency, environment-friendly and high in anti-theft performance.
Owner:SHENZHEN CLOU ELECTRONICS

Antitheft cable manhole cover

The invention discloses an antitheft cable manhole cover which comprises a manhole cover seat and a manhole cover, wherein at least eight adjustable combination clamp pieces are annually and uniformly arranged on the edge of the manhole cover; scale marks corresponding to the adjustable combination clamp pieces are arranged on the manhole cover; each adjustable combination clamp piece comprises a special-shape bolt, a clamp head and a lock pin; a direction mark is arranged at the head part of the special-shape bolt; a prismatic-shape matching part is arranged at the tail part of the special-shape bolt; a lock pin hole is formed at the tail end of the matching part; the clamp head comprises a cylindrical connection part; a cylindrical clamp piece internally-tangential with the side surface of the connection part is arranged at one end of the connection part; the diameter of the clamp piece is greater than that of the connection part; a through hole corresponding to the matching part is formed in the clamp head along the axis direction of the connection part. According to the antitheft cable manhole cover disclosed by the invention, a simple password combination is adopted for guarding against thefts, a complicated transmission structure is not involved, and the structure is simple and not easily damaged.
Owner:STATE GRID CORP OF CHINA +1

Electrical cabinet door lock

The invention relates to an electrical cabinet door lock. The electrical cabinet door lock comprises a lock body, a handle, a lock shaft and a door leaf locking piece. A sliding trigger switch, a magnetic block and a protruding locking portion are arranged on the handle. A push and press portion is formed at the corner of the lower end of the locking portion. A lock cylinder is installed in the locking portion. A shifting lever is arranged at the bottom of the lock cylinder eccentrically and connected with a sliding lock plate through a long slot in the sliding lock plate. A coil support is arranged in the lock body and located on one side of the locking portion. An electromagnetic coil and a circuit board are fixed to the coil support. The circuit board is provided with a trigger switch sensor and a handle sensor, wherein the trigger switch sensor is matched with the sliding trigger switch, and the handle sensor is matched with the magnetic block. A sliding lock pin is located and installed in the electromagnetic coil in a sliding manner. The sliding lock pin is sleeved with a first reset spring. The first reset spring is located between the electromagnetic coil and a locating sheet fixed to the sliding lock pin in the radial direction in an abutting manner. One end of the sliding lock pin is matched with the sliding lock plate. The electrical cabinet door lock has the beneficial effects of being compact in structure, convenient to operate and use, high in anti-theft performance and high in reliability.
Owner:ZHEJIANG ZHONGZHENG LOCK CO LTD
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