3067results about "Building locks" patented technology

The present invention discloses a new type of protective sliding door and, during installation, the positioning mechanism and locking mechanism can be first fixedly installed in a predetermined position, and then the door railing body can be installed, the second connecting piece at the lower part of the pivot connection side of the door railing body can be flexibly connected to the lower part of the positioning mechanism, the connecting piece that can be installed on the first connecting piece can be fixedly assembled with the upper part of the positioning mechanism, so that the installed door railing body can open or close the door by swinging relative to the positioning mechanism and, after the door is closed, the locking mechanism can be connected to the locking side of the door railing body to lock the door railing body.

A forced-entry-resistant sash lock includes a housing, shaft / handle member, cam member, and secondary cam. When the cam member is in the unlocked position, rotating the shaft causes secondary cam rotation initially being independent of the cam member, and subsequently the secondary cam's first contact surface contacts the cam member's first contact surface causing co-rotation of the cam member and engagement of its cantilevered arm's first engagement surface with an interior housing wall's first engagement surface to cause deflection of the arm, and continued shaft rotation returns the cantilevered arm to the undeflected position, whereat forced counter-rotation of the cam member towards the unlocked cam member position is prevented by the contact between the first contact surface of the secondary cam and first contact surface of the cam member and contact between the second engagement surface of the cantilevered arm and the second engagement surface of the interior wall.

The invention discloses a box cover lock structure, which belongs to the technical field of filter devices and comprises a lock seat and an ear lock mechanism assembly. The lock seat comprises two side edges; the ear lock mechanism assembly comprises an ear lock box, a locking mechanism and an unlocking mechanism; the bottom of the ear lock box is rotationally connected with the two side edges of the lock seat, so that the ear lock mechanism assembly is in an inclined state or an upright state; the ear lock box comprises a fixed ear and a box body; the fixed lug is vertically and fixedly connected to a box body of the lug lock box and synchronously rotates along with the lug lock box; the locking mechanism is arranged in the ear lock box, and two ends of the locking mechanism are telescopic; when the two ends of the locking mechanism extend outwards, the ear lock mechanism assembly is in a locking state; when the two ends of the locking mechanism are tightened inwards, the ear lock mechanism assembly is in an unlocking state; the unlocking mechanism comprises a lifting handle, and the lifting handle is used for shifting the two ends of the locking mechanism to extend outwards and contract inwards. The operation of tightening and unscrewing the bolts is omitted, so that the box cover is convenient to close and open, and time and labor are saved.

The utility model discloses a switch lock linkage mechanism for a window, which consists of a one-piece bracket, and a rotating groove assembly, a rotating groove unlocking piece and an unlocking piece pin, a rack and a rack pin, a rocker arm and a rocker arm bracket pin, a connecting rod and a rack connecting rod pin, a first torsion spring and a second torsion spring which are arranged on the one-piece bracket. The lower rotary groove unlocking piece is installed on one corner of a window sash in a wrapping mode and used in cooperation with a concealed installation type window opener, when the window is about to be closed in place, the lower rotary groove unlocking piece is pressed to enable the rotary groove assembly to rotate, then the lower rotary groove unlocking piece pushes the rack to drive the connecting rod to rotate the rocker arm, then the bottom groove connecting rod assembly is pulled to lock the window sash, and window closing and locking are achieved. Compared with similar products of concealed installation type electric windows adopting window openers and electric lock boxes in the market, the concealed installation type electric window has the advantages that the arrangement of the electric lock boxes is omitted, the mechanism is simplified, the manufacturing and installation links are saved, the production cost is reduced, and the after-sales problem links are reduced.

The invention relates to the technical field of transformer substation cabinets, and discloses a transformer substation cabinet locking mechanism which comprises a cabinet door, a sealing strip and a locking unit, the sealing strip and the locking unit are both arranged on the inner side face of the cabinet door, one end of the locking unit is connected with the cabinet door, and the other end of the locking unit is connected with the inner side of a box body frame at the pressing position of the sealing strip. The locking unit comprises door lock pieces, a lock pressing plate piece and a balance assembly, the door lock pieces are arranged on the inner side face of the cabinet door, the lock pressing plate piece is arranged on the door lock pieces, the door lock pieces are located in the middle of the lock pressing plate piece, the door lock pieces are used for serving as reference fulcrums for moment balance of the two ends of the lock pressing plate piece, one end of the lock pressing plate piece is connected with the sealing strip, and the other end of the lock pressing plate piece is connected with the balance assembly. The other end of the lock pressing plate piece is connected with the balance assembly, the balance assembly comprises an installation base and an elastic piece, the installation base is fixed to the cabinet door, one end of the elastic piece is connected with the installation base, the other end of the elastic piece is connected with the lock pressing plate piece, pressure of all locking points is effectively balanced, and the situation that locking force of all locks of the cabinet door is inconsistent is improved.

In a locker apparatus, a control device locks a locking device in order to bring a door into a closed state except when luggage is deposited in a box and when the luggage is taken out from the box. An operation unit includes a take-out button that is operated in order to take out the luggage from the box in which the luggage has been deposited. When the take-out button is operated, the control device unlocks the locking device in order to open the door of the box in which the luggage has been deposited, and when the door is closed thereafter and it is determined that there is the luggage in the box based on a detection result of a luggage sensor, the control device maintains unlocking of the locking device.

A shelving system includes side members that each define a first channel having a slide disposed therein. A cross member extends between and connects the slides. The cross member defines a second channel having a guide member disposed therein. The guide member defines a third channel and a flange. A container includes side walls having a rail. One of the rails is movably disposed in the third channel. The rails include a first locking element and a second locking element. The handle includes a third locking element that engages the first locking element. The handle is movable between a first position in which the second locking element engages the flange and the container is fixed relative to the guide member and a second position in which the second locking element is spaced apart from the flange and the container can translate relative to the guide member.

A lavatory compartment structure of an aircraft capable of realizing convenience of passengers using wheelchairs etc. while ensuring privacy without reducing the number of lavatory compartments is provided. A lavatory compartment structure that may be installed of an aircraft includes a main lock mechanism including a first operation member that is operable from one side of either the first lavatory compartment or the second lavatory compartment, a second operation member that is operable from the other side of the first lavatory compartment or the second lavatory compartment, and a locking portion connected to the second operation member and that is movable between a lock position preventing movement of the movable wall with respect to the lavatory housing, and an unlock position enabling movement of the movable wall with respect to the lavatory housing, wherein, by operating the first operation member, the first operation member may be shifted to either an engaged state in which the first operation member is engaged to the second operation member or a separated state in which the first operation member is separated from the second operation member, and wherein, in the engaged state, the second operation member may not be operated to move the locking portion from the lock position to the unlock position, and in the separated state, the second operation member may be operated to move the locking portion from the lock position to the unlock position.

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 utility model provides a multi-point lock body which comprises a locking assembly and a driving assembly, the driving assembly comprises a driving block, a driving block first gasket and a third driving strip, and the locking assembly comprises a second spring bolt and a driving spring. The second spring bolt is connected to the spring pressing block through the thrust spring, the spring pressing block is fixed in the lock body, and the driving block first gasket is fixedly connected with the driving block, is provided with a shifting end and is used for shifting the second spring bolt to compress the thrust spring and driving the second spring bolt to retract; the driving spring is arranged in a driving spring mounting groove of the lock body and is limited by the driving spring mounting groove; the third driving strip comprises a first bow part and a second bow part, the first bow part covers the driving spring, the second bow part accommodates and pushes the driving block, and the driving spring drives the third driving strip to align the rotated driving block. The utility model can solve the problem that most of the existing lock bodies are in one-way transmission, and the transmission strip can only move in one direction.

The invention relates to a template (1) for marking at least one drill hole position on a door having two main surfaces (5) and an end surface (6) having a mortise for a mortise lock and a recess for the forend (7) of the mortise lock, wherein the template (1) comprises a marking member (2) to be positioned adjacent to, e.g. abutting, a main surface (5) of the door, the marking member (2) comprising at least one marking means for marking the at least one drill hole position on the main surface (5), wherein the template further comprises a support (3) having an end for abutment (13) formed to be positioned in the recess (7) and to hold the marking member (2) adjacent a main face (5). The template (1) comprises positioning means for adjusting the position of the at least one marking means of the marking member (2) with respect to the end for abutment (13), parallel to the main surfaces of the door.

The utility model discloses a device for balancing air pressure inside and outside a rectification screen cabinet, which comprises a lock cylinder, a spring bolt, a baffle plate and an air pressure balancing hole, and one end of the spring bolt is matched with the lock cylinder so as to open and close a door plate of the excitation rectification screen cabinet through the rotating motion of the spring bolt; the lock tongue is provided with a first position for opening an excitation rectification screen cabinet door plate and a second position for closing the excitation rectification screen cabinet door plate, and when the lock tongue is switched from the first position to the second position, the lock tongue drives the blocking piece to move in the preset direction so as to cover an air pressure balance hole formed in the excitation rectification screen cabinet door plate; and in the process that the spring bolt is switched from the second position to the first position, the blocking piece is driven to move in the preset direction so as to open the air pressure balance hole. According to the utility model, the interlocking mechanism and the separation blade structure are ingeniously designed on the door lock, so that the air pressure balance inside and outside the screen cabinet can be realized while the door lock is opened, and the separation blade can be closed while the door is closed, thereby avoiding the risk of mistaken touch.

The utility model discloses a limit lock box for doors and windows, which comprises a shell and limit pieces oppositely arranged at two ends of the shell, the limit pieces are movably connected to the shell, each limit piece comprises a locking part and a pushed part, and when the pushed parts are subjected to external force, the locking parts are locked by the limit pieces. The locking part corresponding to the pushed part can move towards the shell or the outside of the shell, and when the external force is removed, the locking part can be reset.

The door casing reinforcing system includes a first reinforcing bracket and a second reinforcing bracket. The door casing reinforcing system may reinforce a door casing of a door to prevent an intrusive force from breaking the door casing in order to defeat a door lock that holds the door closed and / or bowing the door casing to allow the keeper to disengage. The first reinforcing bracket may couple to a wall stud in a wall that may be adjacent to the door. The second reinforcing bracket may couple to the door casing and to the front of the wall stud. The first reinforcing bracket may engage the second reinforcing bracket such that the intrusive force attempting to push the door into a room may be conveyed to the second reinforcing bracket and may be opposed by the wall stud via the first reinforcing bracket.

The application relates to the technical field of high-voltage switch cabinets, in particular to a high-voltage switch cabinet convenient to maintain, which comprises a cabinet body and a cabinet door arranged on the cabinet body, a through hole extending along the arrangement direction of the cabinet door and the cabinet body is arranged on the cabinet door, an observation window, a shielding plate with mesh holes and a shielding net are arranged on the cabinet door, the mesh holes of the shielding plate and the shielding net are different in size, the observation window, the shielding net and the shielding plate are sequentially arranged along the arrangement direction of the cabinet door and the cabinet body, and the observation window, the shielding plate and the shielding net are all located on the surface of the cabinet door close to the cabinet body and cover the through hole. The shielding plate with mesh holes and the shielding net are arranged to form a multilayer electromagnetic shielding structure, the shielding plate and the shielding net can filter electromagnetic interference of different frequencies in a synergistic manner, and the electromagnetic compatibility is significantly 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.

A slide rail mechanism includes a first slide rail assembly, a second slide rail assembly and an unlocking handle. Each of the slide rail assemblies comprises a first rail, a second rail and a locking member. The first rail and the second rail are movable relative to each other. The locking member is configured to lock the second rail relative to the first rail at a predetermined position. The locking handle is movably mounted between the first slide rail assembly and the second slide rail assembly. When the unlocking handle is moved from a first position to a second position, the unlocking handle is configured to drive the locking member to move in order to unlock the second rail relative to the first rail at the predetermined position.

The present disclosure teaches a friction-attached childproof latch for cabinets and drawers. Wherein, each half of the childproof latch includes a C-shaped frame with one top surface and two side surfaces, and a jaw is placed between the side surfaces, and connected to one of the side surfaces via a screw. The jaw may move with regard to the frame along the screw by tightening or loosening the screw. A panel of a cabinet or drawer may be friction-attached between the jaw and an opposite side surface of the frame. A first connector may be placed onto any surface of the frame, or connected to the frame via an extension piece. Wherein, the first connector may removably connect to a second connector placed on the other half of the latch. These connectors may take various forms, such as a hook and staple, a tether connection, or a snap fastener.

The embodiment of the utility model discloses a three-dimensional adjusting device suitable for a sliding rail, which comprises a base, and a locking assembly, an axial adjusting assembly, a transverse adjusting assembly and a vertical adjusting assembly which are arranged on the base, and the locking assembly is rotationally arranged on the base and is used for locking a movable sliding rail; the axial adjusting assembly is in contact fit with the bottom end face of the inner rail, the transverse adjusting assembly is inserted into the bottom end face of the middle rail, and the vertical adjusting assembly is arranged in the top face of the bottom end of the inner rail in a cushioned mode and used for adjusting the drawer in the front-back position, the transverse position and the tipping angle. According to the utility model, the drawer slide rail is finely adjusted in the vertical direction through the vertical adjusting assembly, is finely adjusted in the horizontal direction through the transverse adjusting assembly, and is finely adjusted in the axial direction through the axial adjusting assembly, so that the horizontal, vertical and axial directions of the slide rail are properly adjusted after the slide rail is installed; the accuracy of the installation position of the sliding rail is guaranteed, the drawer and the sliding rail are more attached, and use is smoother.

The utility model discloses a folding lock, relates to lockset field, including lock body, lock cylinder and a plurality of mutually connected lock bar, lock body bottom is equipped with the mounting hole, the lowermost lock bar end portion is equipped with the rotatory piece that inserts into the mounting hole and rotatingly installs, the circumferential surface of rotatory piece middle position is equipped with the annular groove, and the annular groove is equipped with the lock cylinder. The lock body is provided with an insertion hole and a limiting piece inserted into the insertion hole and the annular groove at the position corresponding to the annular groove. The utility model has the advantages of simple structure and low processing cost.

To provide a delivery mailbox which is installed at a delivery destination on a physical distribution route until a package is delivered to a customer, and which is positioned between a deliverer and a recipient, enabling the recipient to safely receive the package without meeting a delivery person. [Solution] This delivery mailbox, used between a logistics deliverer and a recipient, has a parcel storage section 8, a parcel insertion section 7, and a parcel removal section. It is equipped with individual keys 5 that can lock the parcel insertion section and the parcel removal section when they are closed. The gate surface of the parcel insertion section consists of multiple flaps 1, each held by a hinge 3 with fixed, rotating, and spring functions, using the outer periphery of the gate surface as a fulcrum. When unloaded, the flaps are stopped by a stopper 2, forming a separation surface between the outside and the parcel storage section. When the weight of a parcel and an external force are applied toward the parcel storage section, the flaps independently rotate toward the parcel storage section using the hinge as a fulcrum. After the parcel passes through, the weight and external force are released, and the flaps autonomously return to the stopper position. A gate surface (parcel insertion section) is created that allows passage in only one direction for parcels of any specified deliverer, quantity, time, etc.; once inserted through this surface, parcels cannot be retrieved. Parcels can be retrieved from another section, completing the delivery without face-to-face contact by the deliverer, and the recipient later collects the parcel, completing the delivery.

An exit device including an intermediate transmission assembly transmitting the translation of an input into a rotational vertical rod output is disclosed. An upper door latch receiving a rotational vertical rod input to actuate an upper door latch from a latched position to an unlatched position is further disclosed. A lower latch receiving a rotational vertical rod input to actuate a lower latch from a latched position to an unlatched position is additionally disclosed.

A slide rail assembly includes a first rail, a second rail, a blocking feature, two operating members and a locking member. 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, the locking member is blocked by the blocking feature 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 to allow the second rail to be moved away from the predetermined position.

The utility model discloses a limiting structure for doors and windows, which comprises a corner device, a first connecting sliding block and a second connecting sliding block, the corner device comprises an L-shaped corner device main body, and the first connecting sliding block and the second connecting sliding block are movably connected to two ends of the corner device main body; the sliding support is provided with a separating structure and is detachably connected with the second connecting sliding block through the separating structure; the first locking piece is directly or indirectly fixedly connected to the first connecting sliding block and can move along with the first connecting sliding block; the second locking piece is directly or indirectly fixedly connected to the sliding support; when the first connecting sliding block moves in the direction of the corner device, the first locking piece and the second locking piece are locked, and the sliding support and the second connecting sliding block are connected in a locked mode. When the second connecting sliding block moves towards the direction outside the angle turning device, the first locking piece and the second locking piece are unlocked, and the sliding support can be separated from the second connecting sliding block.

The invention relates to the technical field of ring main units, in particular to a prefabricated metal closed ring main unit convenient to overhaul, which comprises a box body and four box doors, the front surface of the box body is open and is provided with an inner cavity, the box doors are used for closing the box body, the box doors are divided into two groups, the two groups of box doors are arranged along the width direction of the box body, and the four box doors are arranged in the box body. The two box doors in one group are a first box door and a second box door respectively, the second box door is located on the side, away from the adjacent group of box doors, of the first box door, the first box door can be arranged on the second box door in a sliding mode in the width direction of the box body, and when the first box door slides to be completely opened, the second box door is located on the second box door. The locking assembly is used for locking the first box door to the second box door, the second box door can be rotationally arranged on the box body around a rotating axis extending in the vertical direction, and after the second box door is rotationally opened, the limiting assembly is used for preventing the second box door from being reversely closed.