3140results about "Shutters/ movable grilles" patented technology

A gate unit a gate mount adapted to mate with a frame bordering a passageway and a gate mounted on the gate mount for movement between an opened position opening a passage formed in the gate mount and a closed position closing the passage formed in the gate mount. The gate unit further includes force indicator used during installation of the gate mount.

The present invention discloses a dual-shutter telescopic door railing and, in the technical solution of the invention, two reels are pivotally provided between the upper fixed seat and the lower fixed seat to connect with the rolling shutter component, a torsion spring that can automatically retract the rolling shutter component is disposed inside the reel and, after assembly, the invention forms a dual-shutter structure having two rolling shutter components, improving the range of application and the applicability of telescopic door railings.

A manually pullable out and automatically retractable flexible barrier apparatus for engagement between first and second surfaces having a base that includes a foot, a head, and a spool portion between the foot and the head that spools in and spools out the flexible barrier. A coil spring is wound about a nonrotatable support tube in the spool, is fixed to the top of the nonrotatable support tube, and is further fixed to a lower cap in the spool that rotates with the spool. An upper cap in the spool, rotating with the spool, is lockable and unlockable to a rotating control knob in the head.

A slidably extendable barrier for placement between two relative positions is provided, including a first sliding partition plate, a second sliding partition plate, a locking assembly, and an adjusting and pressure-applying assembly. The first sliding partition plate and the second sliding partition plate can slide relative to each other along a length direction; the locking assembly is used for optionally locking the first sliding partition plate and the second sliding partition plate along the length direction. The adjusting and pressure-applying assembly enables the slidably extendable barrier to be fixed between the two relative positions. During use, following the logic of “sliding adjustment locking and positioning-pressure-applying fixation”, the core advantages of “flexible adaptation, rapid installation, stability and reliability” are achieved. It is suitable for application scenarios with high requirements on installation convenience, environmental friendliness, and scenario adaptability, integrating functionality and practicability, and enhancing the user experience.

A safety gate, includes a door frame, a door rail mechanism, and a handle mechanism, wherein the door rail mechanism includes: two door bodies and adjustment components; the two door bodies are overlapped front and back, one side of one door body is hinged with the door frame, and the handle mechanism is arranged on other door body; the two door bodies are provided with a plurality of fixing holes matching to each other at intervals along width direction. The adjustment components pass through the fixing holes on two door bodies in sequence and are detachably connected with the fixing holes. By the means of changing the position of the adjustment components in the fixing holes of the door bodies, width of two door bodies in left and right directions can be changed randomly, so that the applicable range is wider.

The present invention discloses a rolling shutter door fence, including a connecting mechanism for connecting with the free end of the roller shutter, the connecting mechanism includes a column and a base provided for the column, the column can be vertically fixed to the installation position through the base, the length of the column, which of course can also be longer, fits with the overall height of the rolling shutter door fence, the present invention having a simple structure allows for direct installation without positioning according to the position of the roller shutter and, compared with traditional methods, optimizes the overall installation process of the roller shutter door fence and effectively improves the installation convenience of the roller shutter door fence.

The invention provides a power system of a roller shutter device, which comprises a one-way resistance module, the one-way resistance module comprises a resistance module shell, a rotating shaft, a one-way transmission assembly, a mounting seat and a resistance piece, and the resistance piece is used for providing rotation resistance between the resistance module shell and the mounting seat; the one-way transmission assembly is installed between the installation base and the rotating shaft, so that the installation base rotates in a one-way mode relative to the rotating shaft, and therefore one-way resistance is provided when the curtain body is released from the reel pipe. The resistance can make up the tolerance between the dead weight of the curtain body and the total resilience force of the power coil spring module, so that the curtain body can stably stay at the required height, and the hand feeling when the cordless roller shutter device is pulled down can be improved; and the curtain body can be smoothly retracted, so that the retracting smoothness of the curtain body of the cordless roller shutter device is improved.

A storage system includes a first area, a second area, a vehicle, and a vehicle gate arrangement. The first area includes a framework structure including upright members and a two-dimensional first rail system arranged across a top of framework structure. The first rail system includes a first set of parallel rails arranged to guide movement of vehicles in a first direction across the top of the frame structure, and a second set of parallel rails arranged perpendicular to the first set of rails to guide movement of the vehicles in a second direction across the top of the framework structure that is perpendicular to the first direction. The first and second sets of parallel rails divide the first rail system into a plurality of access openings in the first rail system for allowing lifting and lowering of a storage container between a position above the first rail system and a position below the first rail system. The vehicle operable on the first rail system. The vehicle includes a first set of wheels for driving in the first direction and a second set of wheels for driving in the second direction. The second area includes a second rail system. The vehicle gate arrangement controls passage of the vehicle between the first area and the second area via a connecting rail system. The vehicle gate arrangement includes a space for accommodating the vehicle; a first shutter for separating the space and the first area; and a second shutter for separating the space and the second area. Both the first shutter and the second shutter are each actuatable between: an open position which allows passage of the vehicle therethrough; and an obstructing position which restricts passage of the vehicle therethrough. The first shutter and the second shutter are coupled to each other for synchronous movement such that one shutter moves in one direction with respect to a first opening and the other shutter moves in an opposite direction with respect to a second opening, and wherein the first shutter and / or the second shutter is in the respective obstructing position at any time.

The invention provides a staged ascending pull rope safety door structure, and relates to the technical field of platform safety doors, the staged ascending pull rope safety door structure comprises a fixed column and a lifting part, and the lifting part comprises a main frame body and a mounting frame; a first roller and a second roller are arranged on the main frame body; the first roller is connected with a first belt, the second roller is connected with a second belt, and a sliding block is arranged on the first belt; a driving part, a first sliding rail and a second sliding rail are arranged on the fixed column; a limiting block is arranged on the second sliding rail; a first plate and a second plate are arranged on the mounting frame; the first plate and the second plate are both connected with safety door pull ropes. The multiple plate bodies are connected with the pull rope to form the safety door, the multiple plate bodies are synchronously lifted at the early stage of lifting of the safety door, and after the sliding block is lifted to the preset height, the second plate located on the lower portion ascends at a high speed, so that the safety door has enough protection height when descending, the occupied height is small when lifting, and hidden danger caused by mistakenly clamping an object is avoided; the whole structure is simple, not prone to damage and high in safety.

An example security gate can include: an outer frame; an outer gate disposed within the outer frame, the outer gate defining a plane and having a plurality of outer gate vertical members, and the outer gate defining an inner gate opening; an inner gate disposed within the outer gate, the inner gate defining a plurality of inner gate vertical members, wherein the inner gate is configured to move vertically within the plane to control access through the inner gate opening, and wherein the plurality of inner gate vertical members are sized to telescope within the plurality of outer gate vertical members as the inner gate is moved; and a locking mechanism to lock the inner gate at a vertical position relative to the outer gate to define an accessible size of the inner gate opening.

Provided is a locking head apparatus of a dual automatic locking protective door bar. The locking head apparatus includes a housing, a first toggling button, a second toggling button, a sliding seat, a fixation seat, a linkage locking mechanism and a rotating mechanism. A hydraulic rod is mounted inside the fixation seat, and the hydraulic rod is connected to the sliding seat. The second toggling button is exposed on the housing and connected with a toggling button seat. The toggling button seat is mounted inside the housing through a first spring, thereby forming an automatic resetting mechanism. With the adoption of the locking head apparatus, the dual automatic locking may be realized, the dual protection is achieved, and a child is prevented from opening the door bar after learning the unlocking skill.

An improved system, apparatus, and methods for a pet and child confinement gate providing enhanced safety and deterrence of climbing attempts. The confinement gate includes first and second brace portions with an innovative locking system. A drop-in catch engages with a metal sheath by lifting and lowering the gate, providing a primary locking feature. A rotatable knob, when turned, extends a sliding bolt into a receiver hole on the opposite brace, securing the gate against all directions of movement. The top of the gate features a free-spinning mechanism, which may include cylindrical rollers or ball-bearings, equipped with noise-making loose objects and sensors to deter and detect climbing attempts. The free-spinning mechanism can also trigger auditory deterrents via an audio device and send alerts through communication circuitry to a caretaker's device, further enhancing security measures.

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 child proof gate includes a U-shaped frame configured to be pressure fit between two opposing flat surfaces, wherein the frame comprises a first locking assembly, a second locking assembly, and a button that is configured to be manually; wherein the manually activated button is disposed apart from and above the first locking assembly and wherein the button, when manually activated, is configured to electrically actuate the first locking assembly and to move the first locking assembly from a closed position to an open position for a predetermined period of time. The gate may also include a door including an upper mating door latch and a lower mating door latch; wherein the upper mating door latch is configured to be removably attached to the first locking assembly when the door is in a closed position.

A composite shutter assembly includes a metallic shutter frame including a pair of elongate side members and a pair of elongate cross members extending between the pair of side members, and a nonmetallic shutter panel including a first stile pivotally coupled to a first side member of the pair of side members of the metallic shutter frame, the nonmetallic shutter panel configured to swing between a closed position and an open position relative to the metallic shutter frame.

An animal gate used to block throughways may include a gate assembly which may include a first gate portion that may have a first frame and a second frame. The gate assembly may be positionable within an opening of a structure and couplable to the structure. The gate assembly may include a second gate portion pivotally coupled to the first frame such that the second gate portion may be pivotable about a horizontal axis between a first position and a second position. The gate assembly may include a locking mechanism arranged at least partly within the second gate portion and configured to lock the second gate portion in at least the first position such that in the first position the second gate portion may be arranged at an angle less than 90 degrees above horizontal. In some examples, pivoting the second gate portion to the second position permits the first frame and the second gate portion to pivot.

The present invention discloses a slidably extendable barrier configured to be disposed between two opposing positions, including: a first sliding panel, a second sliding panel, a locking assembly and a pressure adjustment assembly. The first sliding panel and the second sliding panel are slidable relative to each other along the length direction; The locking assembly configured to selectively lock the first sliding panel and the second sliding panel in the length direction; The pressure adjustment assembly enables the slidably extendable barrier to be fixed between the two opposing positions. Through the described structural configuration, the barrier operates in a sequence of “sliding adjustment—locking positioning—pressure application”, thereby achieving core advantages of “flexible adaptability, rapid installation, and stable reliability”. It is particularly suitable for application scenarios requiring installation convenience, environmental compatibility (non-damaging), and situational adaptability, combining functional efficiency with practical utility.

The present invention discloses a protective fence with a pet door, comprising a door frame with a door body inside and an opening and closing locking component having a rectangular frame; the present invention provides an opening and closing locking component that allows pets to easily pass through the protective fence through the door panel. This component has a stopper A and a stopper B, and the coordinated use of the two stoppers effectively control whether pets can freely leave after entering and exiting the door panel. In order to further optimize the use experience, users can paste mute hairs in the adhesive groove on the door panel. When pets come in and out, the mute hairs in the adhesive groove can significantly reduce the sound generated, avoiding potential noise problems.

A barrier system that occupies less space in transportation and reduces the identification and matching time of parts for assembly to improve assembly efficiency. The barrier system includes a door leaf and a frame with a first, second, and third assembly modules. The first assembly module includes a first door leaf subassembly module and a first frame subassembly module that are rotatably connected. The second assembly module includes a second door leaf subassembly module that may be detachably connected with the first door leaf subassembly module to form a door leaf. The third assembly module includes a second frame subassembly module detachably connected with the first frame subassembly module to form a frame with a low-profile threshold. The first, second, and third assembly module are independent of each other when they are not assembled, and together form a barrier system after assembly.

A security device for reinforcing a structure such as a door against cutting or other forms of attack, comprises a hollow casing with an interior space, and first and second rod assemblies positioned in the interior space under compression. The first rod assembly comprises a first rod and a first spring, and the second rod assembly comprises a second rod and a second spring. The first and second rod assemblies are parallel, and the first and second springs do not overlap. The first and second rods only have point contact with the casing.

The invention discloses a shutter and a shutter handrail, and relates to the technical field of building decoration. The window frame extends in the first direction and is provided with a window opening penetrating in the second direction. The louver blade assembly is arranged in the window and comprises a plurality of louvers arranged in the first direction, and the two opposite ends of each louver are rotationally connected with the window frame; in the driving mechanism, a rotating driving part is used for driving a transmission shaft to rotate, the transmission shaft is arranged on one side of the louver blade assembly in the first direction and extends in the length direction of the louver blades, the two opposite ends of the transmission shaft are rotationally connected with the window frame, and at least one end of the transmission shaft and at least one end of each louver blade are coaxially provided with rotating parts. Each rotating piece is provided with two connecting ends symmetrical about the rotating axis of the rotating piece, transmission rods are arranged on the two opposite sides of the transmission shaft in the second direction, and each transmission rod extends in the first direction and is hinged to all the connecting ends located on the same side of the transmission shaft and the rotating piece. The transmission mechanism is good in rotation synchronism, good in sunshade and ventilation effect and low in transmission noise.

The present invention relates to the technical field of anti-tailgating doors, and particularly to an anti-tailgating corner door control device and a usage method. The device includes a corner door, a lock tooth assembly, an electric door locking device, a sensor, and an in-built door closer device; alternatively, it further includes an external door closer device and a door shaft; or it further includes an external door closer device and a set of hinge hinges; the corner door includes a flat door and a shielding door, and the flat door and the shielding door are connected at a 90-degree angle; the lock tooth assembly and the electric door locking device are installed on the door frame, and the in-built door closer device is installed in the lower door frame or buried under the ground; the external door closer device is installed on the door frame, and one end of its arm is installed on the corner door; or the external door closer device is installed on the corner door, and one end of its arm is installed on the door frame. The device is designed with an angular door + access control system, achieving a small floor area, fast entry and exit of the warehouse door, and preventing tailgating entry and exit.

A shutter panel includes a frame, and a louver coupled to the frame for rotation about a longitudinal axis across a given angular travel range of the louver. The shutter panel also includes a louver closure assembly operable to automatically rotate the louver into a closed position when the louver is moved into a specific angular range of louver positions within its angular travel range. For instance, in an exemplary implementation, the louver closure assembly is configured to linear translation into rotational movement of the louver.

The utility model provides a double-curtain heat preservation roller shutter door. The double-curtain heat preservation roller shutter door comprises a door frame, heat preservation door curtains and quick door curtains. The door frame comprises two stand columns arranged in the horizontal direction in a spaced mode, and the heat preservation door curtain and the rapid door curtain are arranged between the two stand columns. The top end of the stand column is provided with a driving device connected with the heat preservation door curtain and the rapid door curtain. The heat preservation door curtain comprises a heat preservation inner container layer and outer protection layers, and the heat preservation inner container layer is arranged between the two outer protection layers. The double-curtain heat preservation roller shutter door has excellent heat preservation performance and sealing performance, high-position efficient heat preservation can be provided, and heat transfer is blocked. The double-curtain heat preservation roller shutter door integrates double curtains, and is small in occupied area and convenient to use. The failure rate is low, and later maintenance is very convenient. A heavy sliding door of a cold storage door is replaced by a heat preservation door curtain. Compared with a door body made of a metal material, the heat preservation door curtain is not prone to freezing. In addition, the heat preservation door curtain is light in weight, and people in the refrigeration house can escape by manually lifting and opening the heat preservation door curtain. Moreover, the heat preservation door curtain can be damaged by manpower, and even if the heat preservation door curtain cannot be opened, people can escape by damaging the heat preservation door curtain.

The invention discloses an intelligent security door and window and a using method, and relates to the technical field of security doors and windows, the intelligent security door and window comprises a window frame and further comprises a security device, a window frame is fixedly mounted on the inner wall of the window frame, a linear motor fixing end is fixedly mounted at the top of the inner wall of the window frame, and a glass window is fixedly mounted at the output end of the linear motor; wherein the security and protection device comprises a connecting base, rolling wheels, a partition plate, an L-shaped rod, an elastic telescopic plate, a brush, a collecting groove, a square rod and an alarm, a linear motor drives the glass window to move in the direction close to the inner wall of the window frame, and the glass window moves in the direction close to the inner wall of the window frame to drive the connecting base to move in the direction close to the inner wall of the window frame; the connecting base is fixedly installed at the bottom of the glass window, and the situation that when the glass window is opened, foreign matter is clamped in a window frame, the glass window shakes, the alarm may be triggered, the alarm mistakenly judges that people break the window, false alarm is caused, and police resources may be wasted is prevented.

The present invention relates to a door operation system (1) for a door (2), the door (2) comprising: a protective barrier (3) configured to be in a rolled-in open state and configured to cover a door opening (18) in a rolled-out closed state; and first tracks (9a, 9b) arranged on side frames (19a, 19b) at each side of the protective barrier (3); the door operation system (1) comprising: curved or spiral tracks (13a, 13b) arranged at each side of the protective barrier (3) for accommodation of the protective barrier (3) in the rolled-in open state; and at least one drive unit (6) connected to the protective barrier (3) for moving the protective barrier (3) from the rolled-out closed state to the rolled-in open state and vice versa; wherein the protective barrier (3) comprises first transmission elements (11a, 11b) connected to the at least one drive unit (6); wherein the curved or spiral tracks (13a, 13b) each comprises a second transmission element (14a, 14b); and wherein the first transmission elements (11a, 11b) are omega drive units configured to mesh with the second transmission elements (14a, 14b) and to move the protective barrier (3) along the second transmission elements (14a, 14b) by operating the drive unit (6) for moving the protective barrier (3) from the rolled-out closed state to the rolled-in open state, and vice versa. The invention also relates to a method for replacing sections (4) of a protective barrier (3) of a door (2).

A barrier system that occupies less space in transportation and reduces the identification and matching time of parts for assembly to improve assembly efficiency. The barrier system includes a door leaf and a frame with a first, second, and third assembly modules. The first assembly module includes a first door leaf subassembly module and a first frame subassembly module that are rotatably connected. The second assembly module includes a second door leaf subassembly module that may be detachably connected with the first door leaf subassembly module to form a door leaf. The third assembly module includes a second frame subassembly module detachably connected with the first frame subassembly module to form a frame. The first, second, and third assembly module are independent of each other when they are not assembled, and together form a barrier system after assembly.