373results about "Cylinder locks" patented technology

A rekeyable lock cylinder with a cylinder body, an inner sleeve, and a plug assembly is provided. The plug assembly includes a plurality of key followers and a corresponding plurality of first racks and second racks disposed in carriers. The first racks correspond to operation of a user key and the second racks correspond to operation of a master key. As such, the lock cylinder is usable in a user / master key system. Disengaging either of the first or second racks from the key followers allows rekeying of the lock cylinder for the user key or the master key.

The utility model discloses a suspension bead lock cylinder, and relates to the technical field of lock cylinders. The key comprises a lock shell, two lock liners, a key body, a plurality of main marble mechanisms, a group of auxiliary marble mechanisms and two suspension blocks, key holes are formed in the lock liners, a plurality of main through openings communicated with the key holes are linearly formed in the circumferential side faces of the lock liners, the key body comprises a key body and a key handle, and key flower parts are arranged on the upper surface and the lower surface of the key body. A set of auxiliary through openings are formed in the lock cylinder, a Y-shaped structure is formed between the two auxiliary through openings and the main through opening, and the auxiliary through openings face the axis of the lock cylinder. Through the design of the auxiliary marble mechanism and the suspension block on the key, the number of knurling matching points can be increased, meanwhile, the auxiliary marble mechanism and the main marble mechanism are different in direction, so that different angles of the knurling matching points can be increased, the anti-theft capacity of the lock cylinder can be greatly improved, the auxiliary marble mechanism cannot interfere with the lock shell, and the anti-theft effect is good. And processing, production and assembly are facilitated.

The invention discloses a violent unlocking prevention intelligent door lock which comprises an inner lock assembly and an outer lock assembly which are arranged on the inner side and the outer side of a door, and a spring bolt used for controlling a lock cylinder to be unlocked. The outer lock seat, the outer handle, the outer limiting ring, the torsional spring, the clutch lock head, the baffle, the plug pin assembly, the clutch motor, the clutch pressing plate and the control panel are arranged on the outer shell, and the purpose is that the clutch motor drives linkage control of the clutch pressing plate and the plug pin assembly, so that dynamic locking / separation of the outer lock seat and the clutch lock head is achieved; when a legal identity is verified through fingerprints / passwords, the control panel triggers the clutch motor to move the clutch pressing plate upwards and tightly press the plug pin assembly, the clutch lock head and the outer lock base are locked, unlocking can be achieved by rotating the outer handle at the moment, if the legal identity is not verified, the clutch lock head and the outer lock base cannot be locked all the time, and unlocking can be achieved even if the outer handle is forcibly twisted. And the clutch lock cannot be driven to rotate, so that the property safety of a user is protected.

A barrier device for a locking device is provided with a stator, with a rotor with a rotor axis and with an electromechanical actuator in the rotor. The rotor has two rotor elements, with the first rotor element and the second rotor element being arranged axially one behind the other in relation to the rotor axis. The two rotor elements are connected to each other in a rotationally fixed manner. The electromechanical actuator is arranged in one of the rotor elements. A locking device is provided with a locking device housing and the barrier device. The barrier device is received in the locking cylinder housing. In particular, the locking device includes a fastening element which is inserted from the outside into the locking device housing in order to fasten the stator to the locking device housing in a rotationally fixed manner.

A rekeyable lock cylinder with a cylinder body and a plug assembly. The lock cylinder includes a plurality of key followers and a corresponding plurality of racks disposed in the plug assembly. The lock cylinder includes, for example, a locking bar for blocking rotation of the plug assembly with respect to the cylinder body to prevent unlocking of the rekeyable lock cylinder with an unauthorized object. In some embodiments, the locking bar is configured such that torqueing the plug assembly with an unauthorized object applies force to the locking bar without translating such force to the plurality of racks. This type of arrangement enhances torque resistance of the lock cylinder against attempted forced entry.

The invention relates to a main and auxiliary double-elastic handle plane lock, and aims to solve the technical problems that a torsional spring is only arranged at the hinged position of a handle of an existing similar product and a rotating shaft, and the tail part of one end of a lock cylinder of the handle lacks a structural design for assisting the ejection of the handle. A handle of the handle plane lock is arranged in a handle groove in the top of a base, and one end of the handle is hinged to one end of a rotating shaft in a rotating shaft hole in one end of the base and provided with a torsional spring. The anti-theft lock is characterized in that a lock shell is arranged at a lock groove in the base, a lock hook elastic piece is arranged on one side in the lock shell, one end of the lock hook elastic piece is aligned with a lock head of the lock cylinder assembly, a hook groove is formed in the other end of the lock hook elastic piece, a protruding column at one end of a pin column is limited to a buckling hook on one side in the hook groove of the lock hook elastic piece, and a first spring is arranged at the bottom of the end of the pin column; the top of the other end of the pin extends out of the lock shell and abuts against the bottom of one end of the lock cylinder assembly of the handle in the handle groove. When the handle is pressed into the handle groove of the base, the handle pushes the pin column to reset, and the convex column of the pin column is buckled with the buckling hook in the hook groove of the lock hook elastic piece.

A rekeyable lock cylinder with a cylinder body, an inner sleeve, and a plug assembly is provided. The plug assembly includes a plurality of key followers and a corresponding plurality of first racks and second racks disposed in carriers. The first racks correspond to operation of a user key and the second racks correspond to operation of a master key. As such, the lock cylinder is usable in a user / master key system. Disengaging either of the first or second racks from the key followers allows rekeying of the lock cylinder for the user key or the master key.

The invention relates to a locking cylinder, comprising a cylinder core with a key channel for a key. A blocking device is also provided, which has an interrogation pin preloaded in the direction of the key channel and has a blocking pin which is preloaded in the blocking position, in which position the blocking pin prevents a rotation of the cylinder core into the open position. The interrogation pin can be pushed by the key into an interrogation position, wherein the interrogation pin and / or the blocking pin has a permanent magnet on an end portion facing the respective other pin, said permanent magnet being designed, when the interrogation pin is pushed into the interrogation position, to hold the blocking pin in a release position in which the blocking pin releases the cylinder core for the open position.

The reversible key system for locks according to the present invention comprises a series of reversible keys (1), wherein each thereof has a body (11) provided with a grip (10), a face (14), an opposite face (15) and a cross-section. In particular, the cross-section of the body (11) has a key profile (3) defined by: -- an encoded side (31) obtained on the face (14), having three longitudinal grooves (301,302,303), all triangular in shape, each having a varying depth in the series of keys(1); -- an opposite encoded side (32) obtained on the opposite face (15), equal to the encoded side (31) but rotated by 180°. Advantageously, the key profile (3) helps with the centering of the key within the lock, rendering the insertion of the key into the lock particularly smooth.

A cylinder lock (1) and a key (2) thereof, the lock (1) comprising a stator (3) within which a rotor (4) can rotate which is provided with a longitudinal channel (5) inside which respective primary pins (6, 7) are arranged substantially mutually opposite. The channel (5) is adapted for the insertion of a key (2) provided with a seat (8) for the accommodation of a respective lever (9) which can be oriented freely and is adapted to actuate the primary pins (6, 7). At least one of the primary pins (6) is constituted by a bushing (10) and a contoured grub (11) which has at least one segment (12a, 12b) of its contour whose shape and dimensions are complementary to those of the internal cavity (13) of the bushing (10). Axially acting elastic means (14) are interposed between the bushing (10) and the grub (11) for their respective mutual spacing in conditions of absence of external forces applied to the bushing (10) toward the grub (11). The stator (3) comprises a recess (15) whose shape and dimensions are complementary to those of the terminal front, in a radial direction, of the primary pin (6) for the temporary accommodation of the front; the recess (15) is aligned with the hole (16) of the rotor (4) within which the bushing (10) and the grub (11) are arranged. At least one elastic element (17) is interposed between the stator (3) and the at least one additional primary pin (7) for the forcing thereof within the longitudinal channel (5). Following the insertion of the key (2) in the longitudinal channel (5), the end of the primary pin (7) and a head (18) of the bushing (10) abut against the lever (9), with consequent partial inclination thereof with respect to the key (2) in the configuration for free translation of the primary pin (6) within the hole (16), without protrusion of the front of the primary pin (6) within the recess (15) of the stator (3).

An electromechanical locking device for a closure element, includes a stator and a rotor, the rotor being mounted in the stator. The locking device includes an extension element, wherein the extension element can be moved between an insert position and a withdrawal position in the axial direction, in particular in a linear manner. A closing device having such a locking device is also related.

The invention discloses a length-adjustable high-safety lock cylinder, and relates to the technical field of lock cylinders. The lock comprises a lock shell mechanism, a lock cylinder mechanism, a key, a dial wheel, a clutch and a bit encryption mechanism, the lock shell mechanism comprises a set of main lock shells, two auxiliary lock shells are connected between the two main lock shells through connecting columns, the main lock shells and the auxiliary lock shells are each composed of a lock cylinder assembling part and a marble assembling part, and the lock cylinder mechanism comprises a set of main lock cylinders and two extension pieces. The main lock cylinder is installed in the main lock shell. The pressure head facing the innermost marble mechanism of the lock cylinder is arranged in the lock cylinder, the rotatable pressure head is arranged at the end of the key, the special pressure head at the front end of the key needs to achieve filling and connection of the marble mechanisms, and a brand-new authentication system independent of traditional marble coding is constructed; and when the most mainstream and the most hidden technical unlocking means are sealed and killed from the physical principle, the safety of the lock cylinder is greatly improved.

An assembly for use in a locking mechanism is disclosed. The assembly includes a first component having a pin head portion and an elongate shaft portion extending therefrom, and a second component configured to receive at least a portion of the elongate shaft portion. The second component cooperates with the first component to resist unauthorized manipulation or rotation of a lock core during attempted picking or bypass techniques, while permitting authorized operation by an associated key.

The invention relates to a locking device (100) for actuating a vehicle lock, comprising a cylinder barrel (10), in which a lock cylinder (20) is rotatably accommodated, between which a plurality of locking plates (30) are arranged which are arranged one behind the other in the axial direction and which can be moved radially, in a release position (I), the lock cylinder can be arranged in the lock cylinder through a matching key so that the lock cylinder can be separated from the cylinder barrel in a rotatable mode, and in a locking position (II), the lock cylinder can be locked together with the cylinder barrel after the matching key is pulled out of the lock cylinder so that the lock cylinder can be combined to the cylinder barrel in an anti-rotation mode. At least one radially movable locking element (40) is arranged between the cylinder barrel and the lock cylinder, and the locking element can be moved into a safety groove (31) on the at least one locking plate (30) by rotating the lock cylinder. According to the invention, a safety groove (31) of the at least one locking plate is designed in such a way that a first gap (S1) occurs between the locking element (40) and the safety groove when the locking element (40) is moved into the safety groove.

An interlocking pin free-spinning lock body and its key of the present invention belong to the technical field of locks, and particularly relate to a free-spinning lock body and a key with interlocking pins. The inside of the lock shell assembly has a cavity, in which an inner lock core assembly and an outer lock core assembly are successively arranged, and the rear end of the outer lock core assembly is connected to the output assembly; the key of the interlocking pin free-spinning lock body is provided with a key rack gear, and several key rack components are arranged inside the key rack gear. The key rack components correspond one by one to the through holes on the front inner lock core of the interlocking pin free-spinning lock body, and the several key rack components. The purpose of the present invention is to provide an interlocking pin free-spinning lock head and a key, which solve the problems that ordinary lock cores are easily violently opened by unlocking tools, the pins or blades are separately arranged and are easily cracked to open the lock core and the mutual opening rate is relatively high. At the same time, problems such as low strength of the lock are solved.

The application discloses a kind of suitable for a word key idle blade lock cylinder assembly and its key, lock cylinder assembly includes number sheet cover, number sheet and septum;The middle part of each number sheet is provided with special-shaped through hole, and the special-shaped through hole is provided with multiple levels annular tooth flower groove in ladder shape, and there is only one tooth flower groove for unlocking in all tooth flower grooves;The outer edge of each number sheet is provided with number sheet groove, and when the tooth flower groove for unlocking on each number sheet is rotated and located at the same position simultaneously, all number sheet grooves are aligned.The key includes key head and key handle, and the side of key head is provided with multiple levels vertical tooth flower;Tooth flower can be adapted in the tooth flower groove for unlocking when key head rotates.The application not only can reduce mutual opening rate, but also has the advantages of not being easily damaged by violent strong twist, strong structural stability, key insertion is more convenient, processing is more convenient, can adapt to lock cylinder shorter and tooth flower quantity required occasion and key rotation is more smooth.

The invention relates to a combination of a disc pin cylinder lock (3) and a key (2), the disc pin cylinder lock (3) comprising a rotation limiting device (10) for the key. The rotation limiting device comprises a main body (13) having a key profile opening (34), and a guide element (12) connected to the main body. The key (2) comprises guide grooves (21) located on both sides of the key in the longitudinal direction of the key shank (2A), and a transverse groove (19) transverse to the longitudinal axis of the shank (2A) of the key (2). The rotation limiting device (10) comprises one or two plates (14).

The utility model discloses an anti-theft lock structure with high anti-theft performance, which comprises an inner handle panel, an outer handle door plate and a door lock assembly arranged between the inner handle panel and the outer handle door plate, the inner handle panel is provided with an inner handle, the outer handle panel is provided with an outer handle, the outer handle panel is provided with a door lock mounting hole, and the door lock mounting hole is provided with a door lock. The door lock assembly comprises a lock body allowing the inner handle and the outer handle to be inserted and matched and a lock cylinder matched in the lock body and corresponding to the door lock mounting hole, an anti-drilling assembly is arranged in the door lock mounting hole, and the lock cylinder comprises a lock cylinder pipe, lock liners matched at the two ends of the lock cylinder pipe and a transmission assembly arranged in the lock cylinder pipe and linked with the lock liners. The anti-theft lock disclosed by the utility model is simple in structure, reasonable in design and good in anti-theft performance.

Disclosed herein is a lock assembly comprising a cartridge housing containing a bolt having a retracted position and an extended position in which the bolt extends out of the cartridge housing; a motor module comprising a motor; and a locking member operatively connected to the motor, the motor operable to drive the locking slide between a first position and a second position, wherein in the first position the locking member does not prevent the bolt from being moved from the extended position to the retracted position, and in the second position the locking member prevents the bolt from being moved from the extended position to the retracted position.

A cylinder lock comprises a cylinder housing, and a cylinder core rotatable within the cylinder housing. The cylinder housing comprises one or more drainage openings 910, each of said drainage openings extending at least between an outer surface of the cylinder core within the cylinder housing and an outer surface of the cylinder housing. Said drainage openings provide at least part of one or more liquid-traversable paths between an interior volume of the cylinder core and an exterior of the cylinder housing. Drainage holes reduce risk of freezing attack where water is injected into keyway under pressure and subsequently frozen, instead drainage holes provide liquid egress ports expelling the water. The drainage holes may be round, and rectangular holes and slots distributed circumferentially around the cylinder. A drainage channel 915 at the bottom of the cylinder bore may lead to sideways drainage hole 920 in side of the cylinder.

A flat key for a locking cylinder has substantially flat and approximately parallel flat key sides, a key rear section, and a key front section opposite thereto. The key front section has a toothing for positioning tumbler pins divided into core pins and housing pins and which are spring-loaded against the key front section in the direction of the key rear section and into corresponding bores. Grooves in the form of profiled variation elements and profiled guiding elements are provided in the flat sides of the flat key, wherein at least two grooves of one flat side of the flat key, which are preferably part of the profiled guide, overlap and are undercut in opposite directions. A depression is provided in the outer flank of at least one of the two grooves, preferably both grooves, at least one region of the depression not being visible from the side.

A key for use with a lock cylinder, the key 4 comprising a handle and a shank; the shank having first and second major surfaces along its length on opposite sides, a row of recesses along its length on the first and second major surface so that the recesses are aligned in pairs to accommodate a pair of locking pins 16 20 of the lock cylinder; wherein each pair of recesses is interconnected at an interface 38 so when a correct key is inserted, a pin with a stronger biasing 16 locates in the recess on one side and is pushed back by the key, and the other pin 20, with a weaker biasing is located in an oversize recess 36 on the other side is preventing from moving by abutment 22a with the strongly biased pin; wherein for each pair of recesses, another pair of recesses is provided to accommodate a second pair of the same combination of locking pins of the lock cylinder in which the biasing means is reversed. The pairs of pair of recesses are offset along the longitudinal direction of shank and the interface between the pair of recesses is offset to one or the other side of the abutment position.