231results about "Keyhole guards" patented technology

A lock for permanent attachment to a movable freight container cargo door as a replacement for a prior art hasp or a prior art keeper. The lock is configured for permanent attachment to the cargo door using pre-existing hole locations for the prior art hasp or keeper. The lock comprises a straight shackle and a c-shaped lock body and is configured to retain a door handle between the shackle and the back of the c-shaped lock body. The shackle is locked into the lock body using a shackle lock element that engages with a groove in the shackle. The shackle groove is perpendicular to the shaft of the shackle. The shackle lock element is pressed into the groove using by one or more springs in linear direction that is perpendicular to the length of the shackle and perpendicular to the groove, and released from the groove through by a lock module, which could be a lock cylinder or an electronic lock module. Axial movement of the shackle to prevent the shackle from being completely removed from the lock body is accomplished by a screw in the lock body that rides into a longitudinal slot in the shaft of the shackle.

A rotary locked structure of a door lock includes a tubular driving part and connected to a first knob. The driving part includes a restriction portion. An inner tube is received in the driving part and has a positioning portion located corresponding to the restriction portion to restrict rotational movement of the inner tube in the driving part. A restriction unit is formed axially in the inner periphery of the inner tube. A shaft includes a connection portion that includes a positioning unit located corresponding to the restriction unit to restrict rotational movement of the shaft in the inner tube. The driving part, the inner tube and the shaft are pre-assembled in factories. The inner tube and shaft are not limited to be engaged in only one direction. The spindle and driving column can be directly connected to the inner tube and shaft without rotating the inner tube and shaft.

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.

The application discloses a handle structure with a child lock function and a clutch device, and relates to the technical field of handle structures, which comprises a handle main body, a rotating clutch assembly and a clutch driving assembly. The rotating clutch assembly comprises a rotating ring, reset members which are respectively connected to the rotating ring and the handle main body, a clutch rod which is movably and penetratively arranged in the handle main body and has one end extending into the clutch driving assembly, a transmission pin which is fixedly connected to the clutch rod and penetrates the handle main body to be in transmission connection with the rotating ring, a magnet which is fixedly arranged on one end of the transmission pin close to the clutch driving assembly, and at least one clamping pin which is movably and penetratively arranged on the handle main body and in contact transmission connection with the clutch rod, and the at least one clamping pin can be detachably and clampingly connected to the clutch driving assembly, and the magnet is in magnetic attraction connection with the at least one clamping pin. The child lock function is realized through the cooperation of the handle main body, the rotating clutch assembly and the clutch driving assembly, and the problem of insufficient safety performance of the existing door handle is effectively solved.

To provide a smart lock device capable of switching a power transmission path without using electric power.SOLUTION: A chuck mechanism including a motor, a drive gear attached to a rotation shaft of the motor, an adapter attached to a key to be locked or unlocked, a chuck cylinder fixed to an upper portion of the adapter, a locking / unlocking gear formed along an outer periphery of the chuck cylinder, and a knob integrated with a cam and rotatably connected to an upper portion of the chuck cylinder; And a clutch mechanism having a follower abutting on a lower part of the cam and a clutch arranged in a power transmission path between the drive gear and the transmission gear. The rotation axis of the motor is parallel to the rotation axes of the adapter and the chuck cylinder.SELECTED DRAWING: Figure 1

The invention relates to a door lock unit (1) comprising - a latch (10) that is movable between an extended position and a retracted position, - a latch hub (20), - a latch interlock (15) that is movable between a latch block position (15B) in which the latch (10) is blocked in its extended position, and a latch release position (15R) in which the latch (10) is not blocked in its extended position, - a bolt (30) that is movable between an extended position and a retracted position, - a bolt hub (40), - a three-way link member (50) that is connected to the bolt hub (40), to the bolt (30) and is configured to be brought into contact with the latch interlock (15), the three-way link member (50) being movable between a lock position (50L) in which the bolt (30) is in its extended position and an unlock position (50U) in which the bolt (30) is in its retracted position. The door lock unit (1) is configured such that the three-way link member (50) in its lock position (50L) may block the latch interlock (15) in its latch block position (15B) to block the latch (10) in its extended position.

An external electric control lock comprises an outer fluted disc, an inner fluted disc, a spring bolt mechanism and a spring bolt shifting fork, outer locking strips and inner locking strips are arranged on the side edges of the outer fluted disc and the inner fluted disc, when the outer locking strips move to the locking state, the outer fluted disc is limited to rotate in the opening direction, and when the inner locking strips move to the locking state, the inner fluted disc is limited to rotate in the opening direction; an outer side reversing gear is arranged on the side edge of the outer locking strip, the inner fluted disc rotates in the opening direction, outer gear teeth are pushed to enable the outer side reversing gear to rotate, and the outer locking strip is driven to be switched to the opening state. An inner side reversing gear is arranged on the side edge of the inner locking strip, the outer fluted disc rotates in the opening direction, the inner gear teeth are pushed to enable the inner side reversing gear to rotate, and the inner locking strip is driven to be switched to the opening state. The inner side mechanical switch and the outer side mechanical switch are additionally arranged on the basis of the electric control lock, the function of opening the door through the handle inside the door can be closed through the inner side mechanical switch, the function of opening the door through the outer side mechanical switch can be closed through the outer side mechanical switch, a safety mode is achieved, and therefore the anti-theft performance is further improved.

The electromechanical device allows for the remote unlocking of a bank compartment lock, which is opened using two keys. The first key (41) is pivotally mounted within the electromechanical device, which is fixed to the bank compartment in such a way as to hold the key (41) captive in the lock. The electromechanical device is also capable of exchanging data with a remote control station via a wired network. This network also provides power to the electromechanical device and allows it to be controlled from the control station, switching it between a locked configuration in which the first key (41) is blocked and an unlocked configuration in which the locking mechanism associated with the first key (41) can be operated by rotating it.

The utility model provides a back locking knob, comprising a connecting cap comprising a first end and a second end which are opposite to each other, the first end is provided with a first jack, and the second end is provided with a second jack; the knob comprises an operating part and a rotating shaft part, the rotating shaft part is provided with one or more first buckles, and the rotating shaft part is inserted into the first insertion hole and is clamped with the connecting cap through the first buckles; the shifting piece comprises a connecting end, the connecting end is provided with a second buckle, and the connecting end of the shifting piece is inserted into the second inserting hole and connected with the connecting cap in a clamped mode through the second buckle. The first inserting hole and the second inserting hole are formed in the connecting cap, the first buckle is arranged on the rotating shaft portion of the rotary knob, and the buckle is arranged at the connecting end of the shifting piece, so that rapid clamping connection between the rotary knob and the connecting cap and between the shifting piece and the connecting cap is achieved. By means of the design, the counter lock knob can be rapidly installed on the door lock, extra tools are not needed in the installation process, and the installation technology is greatly simplified.

A clutch module (20) for an electronic lock (100) has an input member (22) and an output member (23). The output member (23) can slide closer to or away from the input member (22), so that the output member (23) is selectively engaged with or disengaged from the input member (22). The input member (22) may be connected to a drive module (30), and the output member (23) may be connected to a lock cylinder (203). Normally, the output member (23) is engaged with the input member (22), enabling the drive module (30) to drive the lock cylinder (203) by means of an electronic control operation mode. When the clutch module (20) is switched to a manual operation mode, the output member (23) is pushed away from the input member (22), such that the output member (23) is disengaged from the input member (22), and the lock cylinder (203) can be driven manually.

The utility model discloses a split type door handle. The split type door handle comprises a handle body and a base. A transmission shaft is fixedly installed on the handle, a first circular groove and a second circular groove are formed in the transmission shaft in the height direction and the length direction of the transmission shaft respectively, a rotating block is rotationally installed on the base, a transmission groove in sliding fit with the transmission shaft is formed in the rotating block, a cylindrical block in sliding fit with the first circular groove is arranged in the transmission groove, and a back locking device is arranged on the base. When the transmission shaft is inserted into the transmission groove, the counter locking device corresponds to or does not correspond to the second circular groove in position, and the transmission shaft can be driven or cannot be driven to rotate by rotating the handle. Due to the arrangement of the split structure of the handle, before use, all parts can be stored or transported in a classified mode, the storage or transportation convenience is improved, and the loss rate is reduced; through the arrangement of the back locking device, back locking can be achieved without an inner door lock structure, the locking ball and the pushing device are arranged in the base, and it is ensured that the front end of the inner handle has the concise appearance.

This application is directed to systems and methods of locking and unlocking a hatch lid or any other type of opening having a hinged covering. In some embodiments, a blade is actuated by a motor or linear actuator. Blades of the inventive subject matter can include one or two racks that interact with one or two pinion gears. In embodiments having rotational motors, a pinion gear can be coupled with that motor and with a rack that can cause the blade to move when the motor turns. In embodiments having linear actuators, the linear actuator more directly causes the blade to move. Other embodiments of the inventive subject matter include a screw mechanism that can interact with a locker receptacle upon rotating a motor coupled thereto.

The invention relates to a polygonal spindle arrangement (8) for a handle set for opening and closing a door or window, comprising a first outer spindle (14.1), a second outer spindle (14.2), and an inner spindle (15) which extends coaxially through one of the two outer spindles (14) and is rotatable therein about a pivot axis (12) and axially adjustable between a coupling position (KS), in which the two outer spindles (14) are rotationally fixed to each other, and a decoupling position (ES), in which the two outer spindles (14) are rotatable relative to each other. A compact design is achieved by the fact that the first outer spindle (14.1) has a radially outwardly projecting first coupling structure (18), and that the second outer spindle (14.2) has a radially outwardly projecting second coupling structure (19), and that the inner pin (15) has a radially outwardly projecting driver (20) which, in the coupling position (KS), engages axially with the first coupling structure (18) and with the second coupling structure (19), such that the driver (20) couples the first coupling structure (18) with the second coupling structure (19) in a rotationally fixed manner, and which, in the decoupling position (ES), does not engage axially with the first coupling structure (18), such that the first coupling structure (18) and the second coupling structure (19) are rotatable relative to each other about the axis of rotation (12).

The child safety locking mechanism, particularly for a cupboard comprising two doors, comprises first and second latches to secure on an outside of each door and a keep or strike to secure to a cupboa

TITLE: Modular Espagnolette Modular espagnolette (100) comprising: - a modular body (3) having a head (31) through which the operating rod (1) passes, fixed to a shutter, and an extension (36) with a pivot (32) of transverse axis (uu) carrying a modular handle (4) for rotating the operating rod (1) between its open and closed positions of the espagnolette, around the axis (ZZ) of the rod (1). The modular handle (4) pivots around its pivot (32) to engage or disengage from a modular support fixed to the other shutter. The modular body (3) or the modular handle (4) or the modular end caps (2) fixed to the rod (1) are profile segments, with an axis parallel to the axis (ZZ) of the operating rod (1). Figure 1

Lock characterized by the fact that the lock includes: a handle unit with a first handle and a second handle that are opposite each other, a lock body unit comprising a locking bracket and a square pin, wherein the locking bracket is arranged on one side of the first handle and is provided with a locking hole, wherein one end of the square pin is connected to the first handle and the other end to the second handle, wherein the square pin is provided in its axial direction with a locking section and a free section, wherein the lock body unit is in a locked state when the locking section is received in the locking hole, and wherein the lock body unit is in an unlocked state when the free section is aligned in the locking hole.

The invention provides an indoor door lock. The first handle seat comprises a first through hole, a first limiting convex ring and a pin hole; the first handle shell comprises a first main shell body and a first handle part, a first limiting groove and a sliding groove are formed in the first main shell body, and the first main shell body is rotationally connected with the first handle seat; a second handle seat; the second handle shell comprises a second main shell body rotationally connected with the second handle seat; the square steel comprises an axial through hole, and the square steel is respectively connected with the first main shell and the second main shell; the counter lock assembly comprises a lock cylinder, a shifting peach, a transmission rod, a transmission block, a lock plate, a lock pin and an elastic piece, the lock cylinder and the shifting peach are arranged in the second main shell, and the transmission block, the lock pin and the elastic piece are arranged on the first main shell; and the transmission rod penetrates through the axial through hole of the square steel and is respectively connected with the shifting peach and the transmission block. The telescopic distance of the spring bolt driven by the square steel is greatly increased, and use faults of the indoor door lock are reduced.

The application relates to the technical field of power metering cabinet auxiliary equipment, and relates to a power metering cabinet door lock device which comprises a door body, an outer door frame, an outer blocking door and a pull ring handle. The application has a reasonable and compact structure and is convenient to use. The outer blocking door provided with a rotating tongue lock and the pull ring handle hidden in the square tube can realize double protection, prevent irrelevant personnel from misoperation, and greatly improve the anti-theft performance of the door lock. In the use process, the opening and locking operation of the rotating tongue lock is simple, the outer blocking plate can be reliably locked and easily opened through a special key, the magnet can directly aim at the handle telescopic hole to suck out the pull ring handle, the door body is opened when the pull ring handle is in the vertical state, the door body is locked on the door frame by the locking tongue when the pull ring handle is in the horizontal state, and the pull ring handle is automatically retracted into the square tube after the hand is released. Therefore, the door body opening and locking operation is simple, time-saving and labor-saving.

An operating handle (100) for a door (200) has two handles (102, 102`) for operating a closing device (230) arranged in the door, a first stop element (104) and a second stop element (104`) for the handles (102, 102`), wherein each handle (102, 102`) is mounted axially fixed and rotatable about a pivot axis (D) on or in each of the stop elements (104, 104'). Each stop element (104, 104') has a first cam (128.1, 128.1') and a second cam (128.2, 128.2`), each having a through-hole (129.1, 129.1', 129.2, 129.2`), wherein the cams (128.1, 128.2 and 128.1', 128.2') and the through-holes (129.1, 129.2 and 129.1`, 129.2') of the first stop element (104) and the second stop element (104') are arranged in pairs opposite each other on opposite side faces (215, 215') of the door (200), wherein opposing cams (128.1, 128.1' and 128.2, 128.2') and through-holes (129.1, 129.1' and 129.2, 129.2') are located on a first axis (A) and a second axis (B), respectively. The actuating handle also has a locking device (106) which has a release position in which rotation of the handles (102, 102') about the axis of rotation (D) is permitted, and a locking position in which rotation of the handles (102, 102') about the axis of rotation (D) is blocked. An actuating device (112) for the locking device (106) has an actuating element (108) with which the locking device (106) can be moved from the release position to the locking position and vice versa. In order to reduce the space required for the actuating handle and to shorten the assembly time, the invention provides that the locking device (106) and / or the actuating device (112) is / are located at least partially in the area of ​​one of the axes (A, B).

To provide a door handle which can design an indicator relatively freely without being restricted by a dimension of a lock member, regarding a flat handle with an indicator showing locked / unlocked.SOLUTION: In a flat handle which stops a lever 2 in a casing by locking of a lock member 3, an indicator 7 is a separate body from the lever 2 and the lock member 3, is arranged radially outside of the lock member 3, and can displace in the circumferential direction of the lock member 3. An indicator display part 23 exposes part of the indicator 7 to the front side of the lever 2, and a region of the indicator 7 exposed by the displacement changes to display the locked / unlocked state. The indicator 7 includes: a first portion to be contacted pressed by a first contact portion of the lock member 3 by normal rotation of the lock member 3 and for rotating the indicator 7 normally; and a second portion to be contacted pressed by a second contact portion of the lock member 3 by reverse rotation of the lock member 3 and for rotating the indicator reversely. Regarding the circumferential direction of the lock member 3, an interval between both portions to be contacted is made to be smaller than an interval between both contact portions.SELECTED DRAWING: Figure 8

The utility model discloses a window opening and closing handle which comprises a window body, an outer cover, a rotating piece and a rotating piece. A second through hole is formed in the outer cover, a handle is arranged in the middle of the second through hole, the handle is composed of a handle body and a rotating body, and the rotating body is arranged in the second through hole. The rotating piece is installed in the first through hole, the rotating piece is composed of a square body, a disc body and a cylinder, and the rotating piece is connected with the handle through a bolt. The window opening and closing handle is compact in structure and ingenious in design, the first spring can be compressed by pressing the handle, so that the locking body is pushed by the rotating piece to compress the second spring, the locking body does not limit rotation of the rotating piece any more, window opening is achieved, the safety performance of the handle is improved, and children are prevented from rotating the handle easily.

The utility model discloses a five-prevention operation mechanical lock of a box transformer high-voltage cabinet, which comprises a mechanical lock main body, a mechanical lock cylinder, a mechanical lock key, a mechanical lock limiting baffle plate and a mechanical lock support rod, the mechanical lock cylinder is arranged in the mechanical lock main body, the mechanical lock key is arranged outside the mechanical lock main body, and the mechanical lock key is connected with the mechanical lock cylinder in a matching way; a mechanical lock limiting baffle is installed at the top of the mechanical lock body on the opposite side of the mechanical lock cylinder. Under the condition that the electromagnetic lock fails, the five-prevention operation mechanical lock can be normally operated, and the five-prevention operation mechanical lock is used in five-prevention operation of a high-voltage cabinet of a box-type substation to protect the safety of operators on the high-voltage side.

The invention relates to the field of doors and windows, and discloses a lock cylinder structure and an inward tilt-turn window. The lock cylinder structure comprises a base, a handle, a first gear, a first rack, a locking assembly and a key, the first gear is arranged on the base, the first gear and the base are connected in a relatively rotating mode, the handle is arranged on the first gear, the first rack is arranged on the base, and the first rack and the base are connected in a relatively sliding mode. The first rack and the first gear are meshed with each other, so that the first rack and the base slide relatively, the locking assembly is arranged on the base and used for locking or releasing the first gear, and the key is arranged on the locking assembly and used for abutting against the window frame, so that the locking assembly locks the first gear. The invention further provides an inward tilt-turn window. The inward tilt-turn window comprises the lock cylinder structure. The invention provides a lock cylinder structure and an inward tilt-turn window. The problem that a window falls off due to the fact that a handle is operated by mistake when the window is not completely closed is effectively solved.

The application discloses a kind of clutch, including shell;Top pressure mechanism, including sliding part and the top pressure part being connected with sliding part, sliding part is installed in the shell in the way of being slidable along axial direction, and top pressure part is located outside shell;Electric push mechanism, including: rotating shaft, at least part is installed in the shell, driving spring is sleeved on rotating shaft, and the outer circumferential surface of rotating shaft is equipped with multiple card pins in different helical regions of driving spring, and helical region is surrounded by adjacent helical line of driving spring along the axial direction of rotating shaft;Wherein, rotating shaft can rotate along circumference to make at least two card pins drive the driving spring moves along axial direction relative to rotating shaft, and driving spring can drive sliding part slides along axial direction relative to shell.The card pin of the application and driving spring are multi-point contact motion, can reduce the friction of card pin and driving spring, reduce the wear of driving spring.The application further provides an intelligent lock.

A night latch assembly (6) comprises a cylinder assembly (22), a lock case assembly (26) and a mounting plate (24). The cylinder assembly (22) and mounting plate (24) have mutually co-operative attachment structures (32, 34, 56, 58) by which they are attachable to one another. The lock case assembly (26) and mounting plate (24) do not have mutually co-operative attachment structures by which they are attachable to one another. The lock case assembly (26) has an attachment structure (72) configured for attachment of the lock case assembly (26) to a door (2).

The utility model relates to the technical field of door handles, and particularly discloses a handle structure capable of preventing rotation, which comprises a first handle, a fixing piece used for being fixed on a door body, a first connecting piece and a second connecting piece, the first connecting piece is fixedly connected with the first handle, and the second connecting piece is fixedly connected with the fixing piece. The first connecting piece is connected with the second connecting piece; the second connecting piece is provided with a penetrating hole, the first connecting piece is inserted into the penetrating hole, and limiting structures used for limiting rotation of the first connecting piece relative to the second connecting piece are arranged on the inner wall of the first connecting piece and the inner wall of the penetrating hole. Rotation of the handle can be limited, and using safety is improved.