610results about "Construction fastening devices" patented technology

The invention discloses a manhole cover plate fence linkage protection device and method with a safety monitoring function, and belongs to the technical field of limited space operation safety protection. Comprising a device basic component, a fence, a locking mechanism, a linkage mechanism, a cover plate and a monitoring system. The device foundation component is mounted on the inner wall of the orifice; the fence is arranged in the device basic component and can ascend and descend. The fence is composed of a fan blade fence and a fence door. The locking mechanism is installed on the device foundation component and the fence and used for effectively locking the fence under the full-open-position isolation working condition. The linkage mechanism is connected with the fence and the cover plate. The monitoring system comprises a fence position detection device and a detector. Linkage of a manhole opening protection facility and safety monitoring is achieved, and the safety of limited space operation is effectively improved.

A multipoint lock including a pivoting lock bolt including a fixed pivot point and a sliding pivot point, a translating lock bolt, a linkage coupled to and configured to pivot the pivoting lock bolt and to translate the translating lock bolt, an actuation mechanism configured to actuate the linkage and to effect pivoting of the pivoting lock bolt and translation of the translating lock bolt, and an input mechanism configured to receive user input and transmit the user input to the actuation mechanism, the user unput including shifting the input mechanism between an unlocked position and a locked position.

The invention relates to intelligent civil air defense and flood gate equipment and system and a control method thereof. The equipment comprises a gate body and a gate leaf driving mechanism. The door body comprises a lower locking mechanism; bottom lifting type sealing structures are arranged between the bottoms of the left door leaf and the right door leaf and the lower door frame. The door leaf driving mechanism is connected with the left door leaf and the right door leaf; the system further comprises an intelligent control device, the intelligent control device comprises a sensor module, a drive control module and a remote control platform, the sensor module and the drive control module are integrated on the door body, and the sensor module comprises a door leaf opening and closing position detection sensor, a bottom lifting type sealing structure pressing state detection sensor and a water level height detection sensor. And the driving control module controls the door leaf driving mechanism and the lower locking mechanism according to a detection signal of the sensor module and an instruction of the remote control platform. By optimizing a door body sealing and locking execution structure and combining a sensing monitoring and centralized control mode, the sealing reliability and control safety of the civil air defense door under the conditions of high water level and complex water flow are improved.

A door assembly includes a frame including a strike member, the strike member including a first coating having a first material and a door hingedly coupled to the frame, the door including a latch member operable to engage with the strike member to secure the door in a closed position, the latch member including a second coating having a second material, the second material being different than the first material.

The utility model discloses a folding window of a movable tent, which relates to the technical field of vehicle-mounted tents and comprises the movable tent, a window frame, an inner window, an outer window and a lock catch. The inner window serves as a ventilation window, the outer window serves as a blocking window, the inner window and the outer window are rotationally connected with the window frame through connecting pieces, and the outer window can turn outwards independently or synchronously along with the inner window. The lock catch is unique in design and can independently lock the inner window or simultaneously lock the inner window and the outer window, and even integrally lock the window frame, the inner window and the outer window. The inner window is provided with an anti-mosquito gauze, and the outer window is provided with an upper locking groove and a lining rod. By rotating the knob on the lock catch, the window can be easily opened and closed completely, and the outer window is opened and the inner window is closed, so that multiple requirements of ventilation, privacy protection, mosquito prevention and the like are met. The folding window is ingenious in design and convenient to operate, and the practicability and user experience of the tent are remarkably improved.

A slide rail assembly includes a first rail, a second rail, a blocking feature, two operating members and a locking member. The second rail and the first rail are movable relative to each other. The blocking feature is arranged on the first rail. The two operating members and the locking member are movably mounted on the second rail. When the second rail is located at a predetermined position relative to the first rail and when the locking member is in a locking state, the locking member and the blocking feature are configured to block each other to prevent the second rail from being moved away from the predetermined position. When one of the two operating members is operated, the locking member is configured to be driven to move from the locking state to an unlocking state to allow the second rail to be moved away from the predetermined position.

A console box includes a box main body, a lid, first coupling portions respectively provided at opposite end portions in a width direction of the box main body, a second coupling portion that is provided at at least one end portion of opposite end portions in the width direction of the lid, a lock mechanism, an operation portion, a guide portion provided in the box main body. The guide portion allows for a movement of the lid in which the second coupling portion moves from a position at which the second coupling portion is coupled to the first coupling portion at one end portion in the width direction to a position at which the second coupling portion is coupled to the first coupling portion at the other end portion. The guide portion guides the lid at the second coupling portion during the movement.

A door latch apparatus and associated system and method are disclosed. The door latch apparatus includes a profile disc with a plurality of slots and a central aperture. A handle system, includes a first handle and a second handle, are co-rotatably coupled together, via a rod, that extends through the central aperture, allowing the handle system and the profile disc to be co-rotatable. A plurality of sliders are engaged with the plurality of slots so that, when the profile disc rotates, the plurality of sliders simultaneously slide along the plurality of slots. A plurality of locking rod are coupled to a corresponding one of the plurality of sliders, and are linearly movable between an extended rod position and a retracted rod position when the corresponding one of the plurality of sliders slides along the corresponding one of the plurality of slots.

The invention relates to the technical field of vault security and protection systems, in particular to an automatic vault door protection system which comprises a door frame, a door body, an observation assembly, a self-locking assembly, a protection assembly and an alarm device. The self-locking assembly automatically locks the door body and the door frame in a multi-point mode when detecting abnormity. The protection assembly acts synchronously to physically isolate the coded lock and the operation area; according to the invention, the upgrading from passive mechanical protection to intelligent active protection is realized, the integrated functions of abnormal recognition, automatic locking, dynamic protection and remote alarm are realized, and the safety and emergency response capability of the vault door are remarkably improved.

A locking device (1) for locking a pivotably mounted door (21) of a container (20) in the closed position, with a housing (2), at least one hook (3) for hooking into a holder shaft (26), and an actuating handle (4) for unlocking the hook (3), wherein the at least one hook (3) can be actuated by the actuating handle (4) via at least one driver (6) in such a way that, upon movement of the actuating handle (4), the at least one hook (3) is movable out of the closed position, wherein the actuating handle (4) is freely movable about a predefined angular range (Δα), before the at least one hook (3) can be unlocked, and with at least one display (5) for identifying an incompletely locked state of the door (21), and an overhead luggage compartment (22) with a locking device (1) of this type. The at least one display (5) is arranged on at least one lateral outer surface (15) of the actuating handle (4) and substantially perpendicularly with respect to the second rotational axis (D2) for the actuating handle (4).

To provide a heating cooker which allows lock release before opening a door to be performed easily even by one hand by a non-mechanical operation, and which automatically performs door locking.SOLUTION: A heating cooker 100 includes: a body 10; a door 12; a latch head 14 provided at the door 12; a holding member provided at the body 10, and for bringing the door 12 into a lock state by holding the latch head 14; a door opening button 15; a door lock release key 16b; a displacement transmission mechanism for transmitting the displacement of the door opening button 15, and for releasing the lock state of the door 12 by the holding member by the displacement; a lock cam 31 movable between a limit position PL which limits at least one of the displacement of the door opening button 15 and the transmission of the displacement transmission mechanism, and a non-limit position PNL which limits neither of them; and a drive part for moving the lock cam 31 to the non-limit position PNL in response to the operation with respect to the door lock release key 16b.SELECTED DRAWING: Figure 5A

This system includes: - an access control unit (110) configured to generate information indicating that a person is an authorized person to enter, and - an alarm module (130) configured to automatically disarm an alarm device, without a disarm code having been acquired by a reader, if the following two conditions are met: - condition 1): the alarm module has established, from the information generated by the access control unit, that the opening of the entrance door which triggered the countdown of a predetermined time interval to enter the disarm code, results from the movement of a bolt mechanism by an authorized person to enter, and - condition 2): during the predetermined time interval counted from the detection of the opening of the entrance door, the closing of the entrance door is detected.

A door handle assembly comprises a handle and a release plate in mechanical communication with the handle such that actuation of the handle causes rotation of the release plate. The release plate defines a window configured to (i) receive a projection of a trip lever of a door latch assembly of a door such that rotation of the release plate causes rotation of the trip lever to facilitate rotation of a rotor of the door latch assembly to a disengaged position and (ii) receive and secure a door linkage rod assembly comprising a linkage rod that is connectable to a trip lever of a door latch assembly of a door such that rotation of the release plate causes actuation of the linkage rod to rotate the trip lever to facilitation rotation of a rotor of the door latch assembly to a disengaged position.

The utility model provides an anti-impact civil air defense door which comprises a door frame and a door leaf rotationally installed on the door frame, a locking device is installed on the door leaf, and the locking device comprises a driving seat arranged in the middle of the door leaf and locking assemblies distributed and installed on the periphery of the driving seat. The locking assembly comprises two sets of lock rods arranged side by side and a linkage piece driving the two sets of lock rods to act synchronously, and the linkage piece is in transmission connection with the driving base so that the lock rods arranged in a distributed mode can act synchronously. The driving base is in synchronous transmission connection with the multiple locking assemblies, the two locking rods are arranged on the locking assemblies side by side, the locking assemblies are connected with the lock catch base through the multiple locking rods, and the impact resistance of the door leaf is improved. The rotating handle controls the first bevel gear to rotate through the driving shaft, the first bevel gear drives the second bevel gear to rotate, the pushing sleeve is controlled to move by pushing the screw rod, the push rod controls the lock rods to stretch and retract through the linkage piece, synchronous action of the distributed lock rods is achieved, and personnel operation is facilitated.

The utility model relates to the technical field of adjusting support, concretely to a high airtightness civil air defence door device. The utility model discloses door frame and door leaf, the inside of door leaf is equipped with adjusting device, the adjusting device includes flange bearing and two racks, the circular arc surface of flange bearing is fixedly connected with door leaf, the inboard fixedly connected with the shaft of flange bearing, one end fixedly connected with the gear of the shaft, the outside of gear is engaged with two racks, one end fixedly connected with the connecting plate of rack, one end fixedly connected with the moving plate of connecting plate, one side of two moving plates is connected with door leaf slidingly. The traditional high airtightness civil air defence door device basically adopts single point locking structure, when single point locking, impact force (such as explosion shock wave) concentrates on single locking point, causes door leaf to bear non-uniform load, and the problem that partial door leaf is easily caused to be recessed or locking point welding place fatigue fracture.

A cover device (2) for being detachably attached to and covering a framed opening (12), wherein a frame (14) surrounds the opening (12) and having an inside section (18) is disclosed. The covering device (2) comprises: a) a frame portion (4) adapted to bear against the frame (14); b) an inner frame portion (6) adapted to extend through the opening (12) and c) at least one moveably arranged push structure (8) protruding from an end portion (36) of the inner frame portion (6) and is arranged to press towards the inside section (18) and hereby maintain the cover device (2) in a fixed position relative to the framed opening (12).

The invention relates to a cam lock (11), in particular a safety cam lock, having a lock housing (1) and a locking actuator (4) which is rotatably mounted in the lock housing and which is connected to a locking element (5), in particular to a bolt, the invention relates to a cam lock (1) for locking and unlocking a door, comprising a locking actuator (4) which can be rotated back and forth together with a locking element (5) about an axis of rotation (D) between a locking position and an unlocking position for locking and unlocking the door, having an anti-reversal lock (6) for fixing the locking actuator (4) in position at least in its locking position, the anti-reversal lock (6) has a first fixing element (6.1) and a second fixing element (6.2), and wherein the two fixing elements (6.1, 6.2) interact with each other to prevent accidental rotation of the locking actuator (4) wherein the first fixing element (6.1) is arranged to rotate together with the locking actuator (4) and the second fixing element (6.2) is arranged to be fixed in a rotationally fixed manner with the lock housing (1), wherein the second fastening element (6.2) is designed as a cam track guide.

This disclosure relates to a sealed hatch, including a door panel assembly with multiple slots on its periphery; a door frame to which the door panel assembly is hinged, with multiple grooves on its periphery; a locking block disposed in a groove, the locking block having a locking groove; a drive unit disposed in the door panel assembly; a locking pin disposed within the door panel assembly and rotatably connected to a transmission unit, the transmission unit being connected to the drive unit, the drive unit driving the locking pin to extend out of the slot and insert into the locking groove, or retract from the locking groove into the corresponding slot; a locking pin located at the top of the door panel is a first locking pin, and a locking pin located at the bottom is a second locking pin, the first and second locking pins rotating out of their corresponding slots in opposite directions; a locking pin located on a first side in the width direction of the door panel is a third locking pin, and a locking pin located on a second side is a fourth locking pin, the third and fourth locking pins rotating out of their corresponding slots in opposite directions. This design ensures that the locking force has multiple directions, reducing the deformation of the locking pins after the sealed hatch is subjected to pressure, thereby improving locking stability and sealing reliability.

The utility model belongs to freezer technical field especially is a kind of frostless display freezer, including cabinet, and the front side hinged connection of cabinet is connected with switch door.The utility model is placed on the baffle in cabinet by the object in cabinet under the condition that switch door is closed, it is convenient to show the article in cabinet to outside, when taking article, hold U-shaped handle and press push rod, push rod is moved by corresponding connecting rod with the driving connecting plate, connecting plate is stretched to corresponding second spring in the process of moving, connecting plate is moved by hinged link with the driving square bar, square bar is moved with the driving corresponding limit ring, limit ring is stretched to corresponding first spring in the process of moving, so that square bar is separated from corresponding square groove, U-shaped handle is pulled at this time, U-shaped handle is moved with the driving corresponding drawer, drawer is slid on guide rod with the driving corresponding slider, so that rectangular hole is not shielded, take out the article on baffle, avoid the energy waste caused by switch door wide open.

A system for monitoring a pressure change within at least one compartment of an aircraft and operating a pyrotechnic device associated with a door latch, includes a securing mechanism arranged in an aircraft door that includes a pyrotechnic actuator and a latch bolt. The system includes the pyrotechnic actuator configured to move the latch bolt when the pyrotechnic actuator is actuated. The system also includes a pressure sensor configured to provide a pressure signal. The system also includes a controller configured to determine a pressure drop representing a decompression event. The system also includes an output driver configured to generate an output signal to actuate the pyrotechnic actuator when the controller determines the occurrence of a decompression event.

The utility model discloses a pet draw-bar box capable of being disassembled and assembled, which relates to the technical field of pet bag products and comprises a pet box, a support plate movably connected below the pet box, a bottom plate fixedly connected below the support plate, four universal wheels fixedly connected below the bottom plate, and a handle rotatably connected above the pet box. When the pet box needs to be taken away from the bottom plate, the adjusting seat is poked forwards, at the moment, the adjusting seat pushes the expansion block to move rightwards through the sliding block and the fifth connecting rod, and meanwhile the expansion block can push the fixed seat connected with the front portion of the expansion block to deviate rightwards; the fixed seat connected with the expansion block drives the other fixed seat to move leftwards through the third connecting rod on the right side of the fixed seat, the two fixed seats pull the spring bolt to be away from the u-shaped clamping seat through the second connecting rod at the same time, at the moment, the shifting rod is rotated to be clamped into the locking block, a second spring is prevented from rebounding, and the problems that the size and the weight of the draw-bar box are large during short-distance travel are solved.

A locking assembly for locking a first frame to a second frame, comprising a shell, a sliding component, a locking block and a transmission. The shell for connecting to the first frame. The sliding component slidably connected to the shell, and a guiding slot is defined on the sliding component. The locking block rotatably connected to the shell, a clamping notch is defined on the locking block and exposed from a top side of the shell for clamping a locking member on the second frame. The transmission group is connected to the sliding component by the guiding slot, the transmission group is further connected to the locking block. The transmission group is configured to rotate the locking block to clamp or unclamp the locking member, when the sliding component slides along a first direction to guide the transmission group by the guiding slot.

The utility model discloses provide a kind of door opening automatic door locking mechanism, the shell is provided with button on the shell, transmission block is provided in the shell, lock catch is provided on the transmission block, lock catch slot is provided on the shell, the lock catch is set in lock catch slot, press the button, to make lock catch movement in shell, and the lock catch moves in shell.

The disclosed apparatus, systems and methods relate to a quick release grill guard further comprising at least one latching system configured for the quick release and pivot of the grill guard away from the vehicle grill face. The quick release grill guard may comprises a vehicle coupling portion, a clasped member an elongate bar and a clasping member. The clasping member may be constructed and arranged to be releasably engaged with the clasped member. Further, actuation of the elongate bar may cause the clasping member and clasped member to disengage.

A rod lock for locking a door leaf on a door frame with at least one rod which can be arranged on the door leaf side and which is movable between a locking position in which the rod is locked to a lock holder which can be arranged on the door frame side, and an open position in which the rod is released from the lock holder. The movement of the rod is guided via a rod guide which can be arranged on the door leaf side. The lock holder and the rod guide have a centering device with two centering bevels for aligning the closed door leaf relative to the door frame, one of which can be used for doors hinged on the left and one of which can be used for doors hinged on the right.

The present disclosure relates to a system (1) for a sealed junction, comprising: a wall (2); a door (3); a locking device (5); and a safety device.