26results about "Peep-holes" patented technology

The application discloses a laboratory air conditioning system clean door structure and relates to the field of clean doors, which comprises a door frame assembly, a rectangular groove is formed in the bottom of the door frame assembly, a sealing assembly is arranged in the rectangular groove, the sealing assembly comprises a bottom plate, limit columns are symmetrically fixed to the top of the bottom plate, lifting blocks are movably penetrated through the two limit columns, a top plate is fixed to the top end of the two limit columns, compression springs A are arranged on the outer circumferential surfaces of the two limit columns and abut against the top plate and the lifting blocks at two ends, a rubber pad is fixed to the top end of the top plate and abuts against the bottom of a door plate assembly, the rubber pad is tightly abutted against the bottom of the door plate assembly when the door is closed through the elastic force of the compression spring A, dust, microorganisms and other pollutants are effectively prevented from entering the laboratory, the indoor clean environment is ensured, meanwhile, the height of the sealing assembly can be adjusted through the rotating threaded column, different door plate assemblies or sealing requirements can be adapted, related components can be removed for repair and replacement, and maintenance is convenient.

This utility model relates to the field of airtight door technology and discloses an airtight door suitable for a high-pressure oxygen chamber. It includes an airtight door body with a baffle frame integrally installed on its outer wall, a sealing mechanism located on the outside of the airtight door body, and an adjustment mechanism located on one side of the airtight door body. By pressing the button, a moving plate is driven to compress an elastic element. The moving plate moves a locking pin out of a locking hole, pushing a circular plate, which in turn moves a fixed rod and a piston. The piston pushes the gas inside the fixed shell through a connecting pipe to the sealing airbag. The sealing airbag further seals the airtight door, improving the sealing quality. Loosening the button pushes the elastic element to move the moving plate and locking pin into the locking hole to fix the circular plate. Through the multiple locking holes, the amount of gas entering the sealing airbag can be flexibly adjusted according to the pressure inside the chamber, thus adjusting the sealing performance of the sealing airbag and improving the flexibility and practicality of the device.

The utility model belongs to the field of door cat eye, specifically disclose security door cat eye anti -prying cover structure, including inside cover and outer cover, be equipped with main protection cylinder on inside cover, be equipped with the vice protection cylinder of screw thread connection with main protection cylinder on outer cover, still be equipped with the anti -drop protection cylinder of coaxial establishment in the outside of main protection cylinder on outer cover, be equipped with interval between anti -drop protection cylinder and main protection cylinder, the accommodating groove of inside and outside two sides of anti -drop protection cylinder is opened to have the hinge joint in accommodating groove and have the needle, be equipped with positioning part and push part on needle, push part and needle hinge joint, hinge joint fulcrum, positioning part, push part, the tip of needle and outer cover of needle are sequentially arranged, the outer circumferential surface of main protection cylinder is equipped with the first taper portion in interval in coaxial, the outer diameter of first taper portion gradually increases in interval to outer cover, the middle part of first taper portion abuts push part, this scheme can realize the difficulty of increasing the thread on vice protection cylinder and main protection cylinder is destroyed, blocks vice protection cylinder after thread is destroyed and is pulled out door hole simultaneously.

This invention discloses an energy-saving electric airtight door for buildings based on biosafety, relating to the field of airtight door technology. The invention includes a door frame, a door panel hinged to the front side of the door frame, a sealing strip fixedly connected to the front side of the door frame, an observation window fixedly connected to the top inner surface of the door panel, a mounting plate fixedly connected to the inner surface of the door frame, a locking handle hinged to the inner surface of the door panel, and a door lock fixedly connected to the front side of the door frame. This design ensures the door panel is tightly fitted against the sealing strip, which fills the gap between the door frame and the door panel, improving the sealing effect of the device. The observation window allows observation of the interior and exterior of the workplace, ensuring workplace safety. The lock head of the locking handle is inserted into the door lock, thereby locking the door panel and further enhancing workplace safety.

The utility model discloses a kind of anti-pinch hand security doors, including door frame, the inside of door frame is rotatably installed with door leaf by fixed link, the top of the side of door frame and door leaf is equipped with automatic door closer, the side of door leaf is installed two groups of anti-pinch components, the middle part of fixed link is fixedly installed with two groups of gear for door leaf rotation limit, anti-pinch component includes movable plate and is movably installed in the side of door leaf, the middle part of movable plate is fixedly installed with push rod, and one end of push rod is movably penetrated to the other side of door panel, and one end of push rod is fixedly installed with gear plate, gear plate is located on the outside of gear.The utility model when closing door, if palm is placed in door gap, movable plate will be extruded and move, while movable plate moves, gear plate is engaged and connected by push rod, because gear is fixedly installed on fixed link, gear immediately limits the rotation of gear plate, door leaf will immediately stop rotating, to effectively reduce the situation of hand clamping, improve the security of security door.

This utility model discloses a steel fire door, including a door panel and a door frame. One side of the door panel is movably connected to the door frame via a hinge. The key feature is that an elastic contact electrode is provided on the hinged side of the door panel, and an electrode guide groove is provided on one side of the door frame. A door frame contact point is provided within the electrode guide groove, and a fireproof sealing cover is slidably installed at the opening of the electrode guide groove. A limit slot is provided on one inner wall of the electrode guide groove. An observation window is installed on the door panel, and a smart door lock is installed below the observation window. The smart door lock has a built-in temperature alarm module, and its power supply terminal is electrically connected to the elastic contact electrode. This utility model's overall technical solution, through the integration of mechanical structural innovation and intelligent monitoring technology, enhances the basic protective performance of the fire door while constructing a dual safety guarantee mechanism combining active fire early warning and passive structural protection.

This invention discloses an intelligent explosion-proof cleanroom system for battery production, comprising a chamber and an explosion-proof purification mechanism. The purified air output from the explosion-proof purification mechanism can be directed into the chamber, thereby creating a relatively independent and continuously controlled local clean space. The interior of the chamber is divided into an explosion-proof chamber and a filter chamber. A fan is arranged inside the explosion-proof chamber. After air enters from outside the chamber, it is sequentially conveyed by the fan, guided by the air outlet, and filtered before entering the clean chamber. The overall air supply path is clear, airflow is smoother, and the air supply stability within the chamber is higher. The partitioned arrangement of the explosion-proof chamber and the filter chamber integrates the power supply and filtration components into corresponding functional spaces. Combined with the connection between the high-efficiency filter and the ventilation holes, a purification path integrating air intake, air supply, filtration, and air delivery is formed. This helps maintain the uniformity and continuity of the air entering the clean chamber, enhancing the overall operational reliability of the cleanroom system in battery production scenarios.

This utility model discloses a weld-free steel insulated fire door, comprising a fire door body, an observation window installed inside the fire door body, an installation mechanism installed on the surface of the fire door body, and a fixing plate fixedly connected to the inner wall of the installation mechanism. A telescopic baffle is inserted inside the fixing plate, and a limiting mechanism is fixedly connected to the outer end of the telescopic baffle. A driving mechanism is fixedly connected to the surface of the telescopic baffle. This utility model uses bolts to threadedly connect the installation plate to the surface of the fire door body, facilitating the assembly and disassembly of the fixing frame. Simultaneously, by pulling the pull rod, the connecting column can cause the telescopic baffle to extend from the fixing plate, facilitating the limiting mechanism to abut against the inner wall of the fixing frame. This allows the fire door body to cover the observation window during use, preventing damage to the observation window from affecting the fireproof performance of the fire door body.

The utility model discloses a door leaf glass small frame installation structure, belongs to the field of glass doors, and aims to solve the problems of poor sealing performance and fragile glass caused by installation deviation and gaps of a glass small frame. The small glass frame is quickly disassembled and assembled through cooperation of the buckles and the clamping grooves, compared with conventional threaded connection, the small glass frame is more concise and convenient to assemble and disassemble, the installation efficiency is remarkably improved, the limiting buckle points arranged on the buckles can accurately fix and limit the positions of the buckles and the clamping grooves, and it is ensured that the small glass frame is accurately positioned in the installation process; the flat sealing strip is additionally arranged on the periphery, making contact with the small supporting piece, of the glass plate for wrapping, gaps generated due to machining errors are effectively filled up, the small glass frame and the door leaf steel plate are tightly matched through the special-shaped sealing strip wrapping the cover edge of the small glass frame, and unnecessary damage such as scratching is avoided.

This utility model belongs to the field of windows, specifically a medical door prefabricated aluminum alloy window, comprising an aluminum alloy window frame, which is assembled from multiple prefabricated aluminum alloy profiles through connecting components to form a stable frame structure, and the aluminum alloy window frame is installed and fixed by mounting components; a door leaf, which is rotatably mounted on the aluminum alloy window frame via hinges, and a glass mounting groove is provided on the door; and a window assembly, which includes an aluminum alloy window strip installed on the door leaf, and the aluminum alloy window strip is configured as a mother-daughter frame, with glass installed in the glass mounting groove. This utility model has a reasonable design, facilitates the maintenance and replacement of the window, and allows for quick and convenient disassembly and replacement when window components malfunction, reducing maintenance costs, improving the sealing performance of the window, enhancing sound and heat insulation effects, improving the energy efficiency of the building, and creating a more comfortable indoor environment.

This application discloses a door structure for a steam oven, comprising a door body with an opening extending through the front and back, and further including an outer glass layer, a middle glass layer, and an inner glass layer. An LED light panel is mounted on the door body from the back. The middle and inner glass layers are stacked on top of the outer glass layer, with the middle glass layer covering the LED light panel. This invention replaces the halogen lamps in traditional steam ovens with LED light panels, which are mounted on the door body. The light from the LED light panel, covered by the middle glass layer, shines through the middle and inner glass layers onto the interior. The LED light panel has a long lifespan and is easily maintained and replaced due to its mounting on the door body. The triple-layered glass design further reduces heat transfer to the outer glass layer, resulting in greater energy savings. A door hinge rotation assembly is provided between the door body and the steam oven body to prevent the door from opening rapidly and causing a sudden release of steam that could burn the user, further ensuring safety.

This application discloses an adjustable extra-large door system, comprising: a doorpost, the two ends of which are respectively installed in a top groove and a bottom groove via connectors; a door frame, which is snapped onto the doorpost; and a door leaf, which is connected to the door frame via hinges. The bottom of the door frame is provided with a roller device, which includes: a roller mechanism, a roller device bracket, and an adjusting device. The roller mechanism is mounted on the adjusting device, the adjusting device is fixed to the roller device bracket, and the roller device bracket is installed at the bottom of the door frame. The roller system at the bottom of the door leaf allows for height adjustment and can also serve as a support system. It ensures door leaf height adjustment while preventing sagging caused by the door's own weight and structural deformation. Adjusting the bottom adjusting bolts of the door leaf adjusts the height of the rollers to support the weight of the door leaf. The system is simple to install, has a convenient structure, and is easy to operate.

The present invention discloses a door, preferably an exterior or entry door that swings outwardly, with a modular insert including movable screening and a glass panel that allows for seasonal use of the door and ready replacement of existing doors that have a standard glass insert or retrofitting of a door that has no insert at all.

The utility model relates to a sealing door technical field especially, relates to a kind of ultrathin inflatable sealing door, including a pair of matched gate frame and fixedly arranged air-tight pad in the opposite side of two gate frames, air-tight electric respectively fixedly installed with gas pipe hole one, power cord hole and signal line hole, power cord hole electrically connected with cable, the other end electrically connected with control electric box of cable, gate frame is embedded and rotationally arranged with door panel, door panel is installed with visual window, further including;Disassembly and assembly component, disassembly and assembly component facilitate operator to quickly disassemble visual window and clean.By the setting of air-tight pad and disassembly and assembly component etc., compared with the sealing door in prior art, after the fastening bolt is twisted, visual window can be disassembled, a series of settings improve the sealing effect of sealing door, easy to operate, the flexibility of air-tight pad's controllable pressure is enhanced when using, visual window can also be disassembled and cleaned, improve the experience when using.

The utility model discloses an adjustable sealing fireproof door door frame structure, including door frame, the right side of door frame inner chamber is from top to bottom in proper order through stainless steel hinge swing joint has fireproof door board, the material of door frame and fireproof door board is same, the top of fireproof door board front right side and the top of door frame front right side are provided with adjustable door closer, the utility model discloses through the fire -retardant filler has good fire -resistant performance, can effectively cut off the fire source when the fire breaks out, and people can strive for more escape time, still has excellent heat -insulation, fire -retardant and sound absorption performance, can increase the fire -resistant time of fireproof door board and door frame, prevents the fire from spreading, through the setting of fire -retardant coating layer, the main function is the direct contact of the isolation steel plate outer frame and humid environment or corrosive substance, and it prevents moisture, oxygen and other corrosive elements from penetrating to the steel plate outer frame surface by forming a protective film, can improve the fire -resistant capacity of material.

This utility model discloses a voice-controlled automatic door opening and closing device, comprising: an electric door frame mounted on a wall; an electric door hinge mounted on the electric door frame; a motor mounted on the electric door frame; the output shaft of the motor connected to the electric door via a mechanical arm; the motor driving the mechanical arm to rotate the electric door; and an integrated panel mounted on the wall. The integrated panel includes: a sound receiver, a processor, a controller, and a power supply. The sound receiver, processor, controller, and power supply are all mounted on the integrated panel. The sound receiver is signal-connected to the processor, and the processor and motor are signal-connected to the controller. Furthermore, the sound receiver, processor, and controller are all electrically connected to the power supply. By applying this utility model, a voice-controlled automatic door opening and closing device is provided. This device allows users to control the opening and closing of the door via a sound port when their hands are unavailable, without needing to integrate with other smart home systems, and is suitable for various situations.

This utility model discloses a novel heavy-duty airtight medical door, comprising a guide rail and two medical door bodies. The two medical door bodies move within the guide rail, and each medical door body has an observation window inside. Each medical door body has an anti-collision frame on one side, and each anti-collision frame has a sealing strip inside. Each sealing strip has a dustproof frame on one side, and each dustproof frame has a dustproof film inside. Each medical door body has multiple limiting holes on one side. By setting up the anti-collision frame, sealing strip, adhesive strip, dustproof frame, and dustproof film, after one side of the anti-collision frame is tightly fitted with one side of the medical door body, one side of the sealing strip can be attached to one side of the observation window. The dustproof film can wrap the outer surface of the observation window, protecting the surface of the observation window from physical damage caused by dust, dirt, and scratches, reducing the accumulation of dirt on the surface of the observation window, and saving cleaning time and costs.

The application relates to the technical field of explosion venting doors, in particular to a safe automatic pressure relief explosion venting door structure which comprises a door frame, a door plate and a turnover plate, a pressure relief opening is formed in the door plate, the upper end of the turnover plate is hingedly connected to the pressure relief opening of the door plate, a blocking mechanism is arranged in the turnover plate, the blocking mechanism can extend out of the turnover plate and rotate downward when the turnover plate rotates for pressure relief, a blocking plate is rotatably connected to the telescopic block, a first guide block is fixed to the slot of the mounting groove, a second guide block is fixedly connected to the blocking plate, the connecting seat can be pushed downward by the guide block when the connecting seat moves to the guide block position, the blocking plate extends out of the turnover plate and rotates downward to a vertical state when the turnover plate rotates outward, so that the blocking plate blocks the gravel during pressure relief, and damage caused by the flying gravel during pressure relief is prevented.

The application discloses a door body, an oven and an oven range. The door body comprises an outer door, an inner door and a window plate. The outer door comprises a support plate and a handle connected with the support plate, and a slot is formed between the support plate and the handle. The inner door is connected with the outer door and comprises an inner door plate and a surrounding frame surrounding the inner door plate. The inner door plate is provided with a through hole and a boss surrounding the through hole, and the boss is protruded towards the outer door. The window plate abuts against the boss, and the bottom of the window plate is inserted into the slot. The edge of the side of the window plate and the edge of the top abut against the surrounding frame. The support plate of the outer door and the handle are matched to limit the bottom of the window plate. The outer door and the inner door are matched to limit the top and the side of the window plate. The effective fixation of the window plate is formed, the structure of the inner door and the outer door is fully utilized, the structural complexity is reduced, the operation of screwing the window plate is not needed, and the installation efficiency is improved.

The utility model provides a kind of ultra-wide-angle cat eye door mirror, including first lens, second lens, third lens and fourth lens being sequentially arranged from object side to image side, first lens is the meniscus lens of negative optical power convex to object side, second lens is double-concave lens of negative optical power, third lens is double-concave lens of negative optical power, fourth lens is double-convex lens of positive optical power, the distance between the surface of first lens towards object side and image surface is door mirror length, when the door mirror length is 90mm-160mm, the field of view angle of the ultra-wide-angle cat eye door mirror is greater than 170 degrees.The ultra-wide-angle cat eye door mirror provided by the utility model can meet the clarity requirement of visual optical system when the length of door mirror is 90mm-160mm, so that the door mirror can be applied to door body of different thickness, and the compatibility is strong.

This application relates to a compact single-person negative pressure chamber, specifically concerning the spatial structure of a negative pressure isolation chamber. It includes a chamber for negative pressure isolation, a first compartment for installing a control module, and a second compartment for installing a negative pressure module. The first and second compartments are vertically layered and separated from the main chamber. The second compartment is located at the bottom, and the first compartment is located above it. A solenoid valve and a vacuum filter are installed in the first compartment, with the solenoid valve connected to the vacuum filter. The second compartment contains a first air inlet pipe, an exhaust pipe, and a vacuum pump for establishing negative pressure. One end of the first air inlet pipe is connected to the vacuum filter, and the other end is connected to the main chamber. The exhaust pipe is connected to the main chamber, and one end of the vacuum pump is connected to the exhaust pipe, and the other end is connected to the outside. This application optimizes the spatial layout of the negative pressure chamber, improving its space utilization.

The utility model provides an anti-trailing linkage interlocking safety door, which relates to the technical field of safety doors and comprises a compartment body, opening and closing doors are mounted at the front end and the rear end of the interior of the compartment body through hinges, observation windows are arranged at the upper ends of the opening and closing doors in a penetrating manner, and observation mechanisms are arranged at the upper ends of the observation windows respectively. Handles are installed at one ends of the front side and the rear side of the opening and closing door correspondingly, and fingerprint coded locks and face recognizers are installed at the ends, close to the handles, of the front side and the rear side of the opening and closing door correspondingly. The observation mechanism is arranged at the upper end of the observation window and comprises the movable mirror, the extension rod, the push-pull rod and the like, a user pulls the handle to drive the push-pull rod to move, the mirror can extend out of the temporary storage groove, the position of the mirror can be adjusted, and therefore reflection observation can be conducted on dead angle areas at the lower end and the two sides of the observation window. The visual field range is effectively expanded, potential safety hazards caused by dead angles are avoided, and the security and protection reliability is improved.

The application relates to an escape door used in a closed pressurized building, which comprises a door frame, an interior decorative door, an air-tight film and an outer pressure-bearing door arranged in sequence from inside to outside; the interior decorative door is hinged to the door frame and opens inward; the air-tight film is fixed to the door frame through air-tight components around the air-tight film, and the air-tight film is provided with a sealing zipper for emergency pressure relief and personnel passing; the outer pressure-bearing door is hinged to the door frame and opens outward; when an emergency occurs in the closed pressurized building, the interior decorative door is opened, the sealing zipper on the air-tight film is pulled, the pressurized building is subjected to emergency pressure relief, and after the air pressure is reduced to a safe value, the outer pressure-bearing door is opened for emergency evacuation. The application adopts the form of combination of the zipper type air-tight film and the air-permeable pressure-bearing door, the zipper type air-tight film is used to achieve the functions of structural air-tightness and rapid pressure relief, the air-permeable pressure-bearing door is used to achieve the functions of pressure bearing and protection, and when an emergency occurs in the pressurized closed building, the pressure can be rapidly relieved for escape.

An emergency evacuation door comprises a door leaf assembly and a door frame assembly, the door frame body is sealed and fixed on the door hole of the pressurized building wall, the door leaf assembly comprises a door plate, the door frame body is provided with a first mounting area for mounting the door plate and a second mounting area for mounting a door lock assembly; the door plate is mounted in the first mounting area of the door frame body, an inflatable sealing strip is mounted on the door frame body and is arranged at the gap between the door plate and the periphery of the door frame body, the door lock assembly is used for limiting the door plate in the first mounting area of the door frame body, and the control box is used for controlling inflation and deflation of the inflatable sealing strip; when the inflatable sealing strip is inflated, the gap between the door plate and the periphery of the door frame body is sealed; the device is provided with the inflatable sealing strip at the gap between the door plate and the periphery of the door frame body, which can effectively seal the gap between the door plate and the door frame when inflated, and improve the sealing performance of the pressurized building.

The application relates to a door assembly and a control method for adaptively adjusting the microwave shielding capability of the door assembly, which comprises a door body, a magnetic field generating element, a plurality of magnetic guides, a current control element and a magnetic fluid. The door body has a window and a light-transmitting interlayer covering the window. The magnetic guides are arranged at intervals around the window and are magnetically connected to the magnetic field generating element to form a plurality of magnetic field concentration areas and a plurality of magnetic field divergence areas at the window. The current control element is electrically connected to the magnetic field generating element to adjust the current of the magnetic field generating element and change the size of the magnetic field concentration areas. The magnetic fluid is arranged in the light-transmitting interlayer and is used to induce the magnetic field of the magnetic field concentration areas to cover the magnetic field concentration areas. The application divides the magnetic field strength areas by using the magnetic fluid, fully utilizes the safety redundancy in the existing microwave shielding scheme, and improves the observability of the door assembly under the premise of ensuring safety.