371results about "Peep-holes" patented technology

The invention discloses a visual cat eye intelligent control method and system based on deep learning, and relates to the field of cat eye intelligent control, and the method comprises the following operation steps: S1, multi-modal data fusion collection; s2, behavior pattern recognition; s3, transfer learning and incremental training; and S4, task division and definition: performing deep analysis on the cat eye intelligent control demand tasks, setting a clear input and output interface for each task, and defining association rules among the tasks. According to the visual cat eye intelligent control method and system based on deep learning, when to start the corresponding task can be accurately judged through the clear triggering condition and rule, unnecessary task starting can be effectively avoided, the operation efficiency and accuracy of the cat eye are improved, and the user experience is improved. And a plurality of factors and conditions can be comprehensively considered to trigger corresponding cat eye tasks, so that effective linkage and cooperative work among the tasks are realized, and the processing capability of the cat eye on complex conditions is improved.

Pet door inserts including a base panel system and an adjustment panel system. The base panel system includes a first and second base panels, a pet door, and a track. The pet door moveably mounts to the first base panel within a pet door opening and selectively covers the pet door opening. The second base panel is coupled to the first base panel along a first lateral side of the second base panel. The track extends longitudinally along a medial portion of the second base panel. The adjustment panel system is moveably mounted on the track and translates relative to the base panel system. The adjustment panel system includes a first adjustment panel defining a horizontal groove extending longitudinally along a medial portion of the first adjustment panel. The horizontal groove selectively receives the track to selectively mount the adjustment panel system to the base panel system.

The invention discloses a steel-wood composite heat insulation fireproof door, and relates to the technical field of fireproof doors. The steel-wood composite heat insulation fireproof door comprises a mounting frame structure, a fireproof door leaf structure is hinged to the inner side of the mounting frame structure, a protective observation window structure is arranged on the inner side of the fireproof door leaf structure, and a locking structure is arranged on the front side of the mounting frame structure. Through the arrangement of the fireproof door leaf structure and the combined design of the fireproof filling ceramsite layer, the fireproof perlite plate layer, the rock wool layer, the heat insulation cotton layer and the flame-retardant sealing layer in the fireproof door leaf structure, the strength and stability of the door body are enhanced, the heat insulation effect is remarkably improved, the fireproof filling ceramsite layer and the fireproof perlite plate layer serve as inner layer materials, and the fireproof filling ceramsite layer and the fireproof perlite plate layer serve as outer layer materials; the door body has excellent fire resistance and heat insulation performance, invasion of high-temperature flames and heat can be effectively blocked, the rock wool layer and the heat insulation cotton layer serve as middle layer materials, the heat insulation effect of the door body is further improved, and heat transfer is reduced.

The utility model provides a shock-proof anti-theft door which comprises an anti-theft door body, the anti-theft door body is divided into a front plate and a rear plate, the interior of the anti-theft door body is of a hollow structure, a layer of partition plate is further arranged in the anti-theft door body, a plurality of round holes are formed in the partition plate, and the shock-proof anti-theft door further comprises a first sleeve and a second sleeve. A first damping spring and a second damping spring are installed on the outer side wall of the first sleeve and the outer side wall of the second sleeve in a surrounding mode, the end of the first damping spring is fixedly connected with the bottom edge of the first sleeve and the rear side wall of the partition plate, and a monitoring assembly is further arranged on the anti-theft door body in a penetrating mode. According to the shock absorption type anti-theft door, the first damping spring and the second damping spring are used for absorbing external impact force, it is guaranteed that the anti-theft door body is not deformed and damaged by impact, meanwhile, the influence of external wind power can be reduced, and noise generated when the anti-theft door body is impacted by wind is weakened.

The utility model provides a radiology department protective door which comprises a protective door body, an observation window is arranged on the protective door body, a transparent visual baffle is installed on the observation window, the protective door body is provided with an air blowing mechanism blowing air towards the visual baffle, the air blowing mechanism comprises a motor and fan blades, and a sealing shell is arranged outside the air blowing mechanism in a wrapping mode. The part, provided with the observation window, of the protective door body is provided with an air blowing hole communicated with the air blowing mechanism. According to the utility model, hot air is continuously introduced into the visual baffle plate at the observation chamber for a period of time, so that water mist is removed, and sight interference to observation of people is avoided.

The utility model relates to the technical field of delivery windows, in particular to an automatic door delivery window which comprises a delivery window body, a front air-tight door, an ultraviolet disinfection lamp, a rear air-tight door, a connecting plate, a rodless air cylinder, a sliding block and a sliding groove, the front air-tight door is installed at the front end of the delivery window body, and the ultraviolet disinfection lamp is installed in the delivery window body. A rear airtight door is installed at the rear end of the delivery window body and comprises a second door plate, a connecting plate is fixedly connected to the front side of the second door plate, a rodless air cylinder is fixedly connected to the rear side of the right end of the connecting plate, sliding blocks are installed at the left end and the right end of the rear airtight door correspondingly, and the sliding blocks are slidably connected with sliding grooves. The sliding groove is fixedly connected to the rear side of the delivery window body. The mechanical arm is provided with the rear air-tight door, the rodless cylinder, the sliding block and the sliding groove, automatic opening of the second door plate can be achieved through the rear air-tight door, the rodless cylinder, the sliding block and the sliding groove, articles can be conveniently taken out through the mechanical arm, manual taking out is not needed, and use is convenient.

The utility model discloses an oxygen cabin sliding door structure, which relates to the technical field of oxygen cabin doors and comprises a door plate and a mounting plate, and the upper end and the lower end of the door plate are connected with sliding blocks. When the oxygen cabin sliding door structure needs to be closed, a worker pulls the door plate to drive the sliding block to slide on the sliding rail frame, the door plate drives the connecting block to slide into the clamping groove, meanwhile, the connecting block extrudes the inclined face of the locking block, the locking block upwards or downwards extrudes the reset spring, then the reset spring rebounds to drive the locking block to be clamped into the locking groove, the connecting block is rapidly limited, and the oxygen cabin sliding door structure is closed. When the door plate needs to be opened, only the push rod needs to be pushed, the push rod drives the push plate to extrude the connecting rod, the connecting rod drives the locking block to move upwards or downwards, meanwhile, the connecting rod slides in the sliding groove, the locking block can be separated from the locking groove, and the door plate can be opened; and the convenience and the stability of the oxygen cabin sliding door structure are improved.

The invention relates to the technical field of constant temperature and humidity, in particular to a sealing door structure and constant temperature and humidity equipment, and aims to solve the problem that the internal temperature and humidity precision and stability of a constant temperature and humidity box are affected due to attenuation of the sealing performance of a door body. In order to achieve the purpose, the sealing door structure comprises an inner door, an outer door and a sealing assembly. The inner door comprises a first inner door body and a second inner door body which can be opened and closed relatively, and a first butt joint seam is formed between the first inner door body and the second inner door body; the outer door is arranged on the outer side of the inner door and comprises a first outer door body and a second outer door body which can be oppositely opened and closed, and a second butt joint seam is formed between the first outer door body and the second outer door body; the sealing assembly comprises a first sealing mechanism arranged at the first butt joint seam and a second sealing mechanism arranged at the second butt joint seam. Through the design of the inner door and the outer door and the arrangement of the sealing assembly at the butt joint seam, a plurality of sealing defense lines are formed, so that leakage of air and water vapor is prevented, and the sealing performance of the box body is improved.

The utility model discloses a transverse side-opening rail type concealable delivery window which comprises a box body, an ultraviolet lamp, a punching net, a rail, a moving assembly, a dustproof assembly and a cleaning assembly. An ultraviolet lamp is arranged on the box body, the dustproof assembly is arranged at the bottom end of the ultraviolet lamp, holes are formed in the punching net, the rails are welded to the two sides of the box body, grooves are formed in the rails, the moving assemblies are connected to the two sides of the box body through the grooves, push-pull grooves are formed in the end sides of the rails, and the cleaning assembly is clamped to the rails through the push-pull grooves. By arranging the moving assembly, the transfer window door can translate on the track, the track is provided with the balls, transmission is more convenient, the transfer window is provided with the sealing strips, the sterile state can be kept, the occupied space of the translation door is small, and the closing opening is attractive; the dustproof cover is arranged on the ultraviolet lamp to prevent dust of the ultraviolet lamp, and the dustproof plate is arranged on the track, so that when the delivery window is opened, the dustproof plate is ensured to be in a sterile state, and the delivery window is in a sterile state when being in contact.

The utility model discloses a peep hole screen maintenance and battery disassembly and assembly structure for an intelligent door lock, which comprises a rear door plate shell, a peep hole screen is arranged on the rear door plate shell, the peep hole screen is electrically connected with a control panel in the rear door plate shell through a lead, a peep hole screen mounting seat which can be rotatably opened is arranged on the rear door plate shell, and a battery is arranged on the peep hole screen mounting seat. The cat eye screen is fixed on the cat eye screen mounting seat, limiting barbs are arranged on the two sides of the cat eye screen mounting seat, limiting mounting holes corresponding to the limiting barbs are formed in the two sides of the rear door plate shell, the limiting barbs can be movably mounted in the limiting mounting holes, and when the cat eye screen mounting seat is opened, the limiting barbs abut against the inner side walls of the limiting mounting holes; in addition, the cat eye screen adopts a wire connection mode, so that the manufacturing cost can be effectively reduced, and meanwhile, the cat eye screen mounting seat can be prevented from being separated from the rear door plate shell, so that the wire of the cat eye screen can be prevented from being pulled and damaged.

The utility model discloses a cardiovascular and cerebrovascular disease patient defecation safety guarantee door, which comprises a toilet door and a locking mechanism, the toilet door is provided with an emergency window, the side surface of the emergency window is provided with a rotating shaft, the rotating shaft is rotatably provided with a state prompting disc, the state prompting disc is provided with an emergency opening corresponding to the emergency window, and the locking mechanism is arranged on the locking mechanism. The peripheral surface of the state prompting disc is connected with a swing rod and a balancing weight arranged on the swing rod, and the swing rod is connected with a damping mechanism and an alarm module; when the swing rod swings to the position under the state prompting disc, the emergency window and the emergency opening are located at the coinciding position. According to the utility model, the emergency condition of a patient during defecation can be found in time, and the toilet door can be opened from the outside without damage, so that the safety of the patient during defecation is guaranteed.

The utility model provides a stainless steel purification door which comprises a door body, a groove is formed in the upper side of the door body, tempered glass is fixedly installed in the groove, a shielding mechanism is arranged at the position, located on one side of the tempered glass, in the door body, and a purification mechanism is arranged in the bottom of the door body; and the shielding mechanism comprises a mounting groove, the mounting groove is formed in the upper surface of the groove, a fixing cover is fixedly mounted in the mounting groove, fixing boxes are fixedly mounted on the inner walls of the two sides of the fixing cover, a winding shaft is rotationally connected between the two fixing boxes, and a shielding curtain is fixedly mounted on the outer surface of the winding shaft. Through the use of the shielding mechanism, the risk of privacy disclosure caused by a traditional transparent observation window is effectively solved. The shielding curtain is of a retractable structure, medical staff can quickly obtain the view field by pulling down the curtain body when needing to observe, stable shielding is achieved through a clamping structure in a non-use state, and the privacy or sensitive operation scenes of a patient are prevented from being exposed to a public area.

The present application aims to provide a kind of coal mine underground damping type regulating air door and its using method, belong to coal mine underground ventilation technical field, including air door body, the window frame is equipped on the air door body, the outer end of air door body is equipped with shell, one end of window frame is hinged with air door body by hinge, the other end is connected with shell by window lock, a plurality of layers of damping net are equipped between window frame and shell, the outside of damping net is equipped with inner frame body, the upper and lower ends of window frame are equipped with slide rail, the slide rail includes the outer slide rail located in the outside of air door body and the inner slide rail located in the inside of air door body, the inner frame body is slidably connected with slide rail, the bottom of the inner frame body is equipped with control assembly.Damping type regulating air door, air flow area is large, and is flexible to block, air flow is not easy to penetrate to the coal body around air door, the probability of coal spontaneous combustion accident is greatly reduced, and the air volume regulating range is large, especially suitable for the area that air volume changes greatly.

The utility model belongs to the field of medical automatic door application technology, and specifically discloses a high-airtightness operating room automatic door, including an upper support plate, a lower support plate, a left vertical plate, a right vertical plate, a foot switch, a fixed door body, a sealing protrusion, an upper groove, a lower groove, an upper sliding part, a lower sliding part, an upper transmission threaded hole, a lower transmission threaded hole, a movable door body, an upper pulley group, a lower pulley group, an upper through groove, a lower through groove, an upper frame, a lower frame, an upper drive motor, a lower drive motor, an upper transmission screw, a lower transmission screw, an upper coupling and a lower coupling, etc. The high-airtightness operating room automatic door of the utility model has the following beneficial effects: 1. It realizes synchronous, rapid and stable horizontal sealing / opening control of the movable door body, and meets the corresponding high-airtightness isolation use requirements; 2. It has high load-bearing capacity, and is suitable for safe and stable horizontal movement support of the movable door body of different operating room automatic doors, and at the same time combines the dual-drive control mode to complete rapid horizontal sealing / opening control.

To provide a light-transmitting structure, a window structure and printed materials with adjustable visibility.SOLUTION: A printed material 2 is arranged on a light-transmitting member 53 provided on a wall portion 51 of a building. The printed material 2 transmits light from the outside SP1 of the building to the inside SP2 of the building visibly when seen from the inside SP2 of the building. Therefore, people inside SP2 of the building can clearly see the view outside SP1 of the building through a window. On the other hand, the printed material 2 conceals views of the inside SP2 of the building with the pattern of the printed material 2 when seen from the outside SP1 of the building. Therefore, people outside SP1 of the building cannot see the view of the inside concealed by the pattern of the printed material 2. This suppresses seeing into the inside SP2 from the outside SP1 of the building.SELECTED DRAWING: Figure 19

The utility model relates to a civil air defense door with an observation function, and belongs to the technical field of civil air defense doors, the civil air defense door comprises a door frame, a door body is hinged to the front face of the door frame, an observation assembly is arranged on the front face of the door body, a window is hinged to the front face of the door body, a connecting block is fixed to the front face of the window, and a connecting block is fixed to the front face of the door body; threaded rods are movably connected to the connecting blocks and the connecting blocks, connecting plates are fixed to the front face of the door body and the front face of the door frame, locking assemblies are arranged on the connecting plates, a reinforcing assembly is arranged on the front face of the door body, and a handle is fixed to the front face of the door body. According to the civil air defense door with the observation function, the observation function of the civil air defense door is achieved through the arrangement of the observation assembly, meanwhile, the stability of the overall structure is preliminarily improved in cooperation with the arrangement of materials of the door body and the observation assembly, and stability of the door frame and the door body is facilitated through the arrangement of the locking assembly and the reinforcing assembly; and the overall safety performance and durability of the door are further enhanced.

The utility model discloses a fixing frame for visual observation glass in cleaning equipment, belongs to the technical field of cleaning equipment, and aims to solve the problem that the cleaning efficiency is influenced as the cleaning equipment is not provided with an observation window and the cleaning process cannot be monitored in real time. The first window frame is arranged on the outer side wall of the outer door plate, window frame glass is arranged in an interlayer between the first window frame and the outer door plate, the second window frame is arranged on the inner side wall of the outer door plate, a plurality of fixing holes are formed in the second window frame at equal intervals, and the rectangular frame is fixedly arranged on the inner wall of the outer door plate. According to the fixing frame of the visual observation glass in the cleaning equipment, multiple times of installation, maintenance and disassembly are convenient, the downtime is shortened, the overall operation efficiency of the equipment is improved, meanwhile, the first window frame and the second window frame are matched for installation design, fixation is firm, water and gas leakage are prevented, the inner ring and the outer ring are designed into multiple layers of damping cotton, the damping effect is good, and the glass is not prone to breakage.

The utility model discloses an automatic locking air door for an underground mine. The automatic locking air door comprises a wall body and an air door, an air door is installed in the wall body and comprises a door frame, a fixing plate, a fixing rod, a door plate, an adjusting plate, a limiting mechanism, a door blocking piece and an automatic locking mechanism. A plurality of fixing plates are fixed to the vertical outer surfaces of the two symmetrical sides of the door frame respectively, a horizontally-arranged fixing rod is fixed to each fixing plate, the fixing rods are poured in a wall through concrete, the door frame is provided with a door plate, an adjusting plate and an automatic locking mechanism, and the door plate is provided with a limiting mechanism and a plurality of door blocking pieces. The door blocking piece is fixed to the door frame through an automatic locking mechanism. The air door has the advantages that the sealing performance and shock resistance of the air door are improved, the air door is prevented from deforming, and the included angle between the door plate and the door frame and the air volume are adjusted by inserting the limiting inserting rods into the through holes in different positions of the adjusting plate; by sliding the air window, the safety of the air door is improved, door closing is convenient and fast, automatic locking can be achieved, and manual locking is not needed.

The invention belongs to the technical field of doors and windows, and particularly relates to an aluminum alloy door which comprises a frame body, a door plate is rotationally connected to the frame body, a vertical rod is connected to the door plate, a barrier strip is fixedly connected to the vertical rod, a cat eye is formed in the door plate, the barrier strip can shield the cat eye, and the vertical rod can move up and down in the vertical direction of the door plate. A sliding block is connected to the door plate in a sliding mode, a vertical rod is connected to the sliding block in a sliding mode, a gear part is rotatably connected to the sliding block, a sliding rod is connected to the gear part, a rack is fixedly connected to the door plate and can drive the gear part to rotate in a transmission mode, and a cambered surface part is connected to the door plate. The state of the cat eye can be changed when a theft behavior occurs, a person who performs the theft behavior is warned and deterred, and indoor property safety is protected.

The utility model discloses a steel fireproof door convenient to observe, which relates to the technical field of fireproof doors and comprises a door frame, a window cover plate, a buffer column, a first door plate and a spring, the window cover plate is fixedly connected above the center line of the door frame, and the first door plate and a second door plate are arranged below the door frame. A window cover plate, a limiting block, explosion-proof glass, a hydraulic connecting rod, a limiting bolt and a spring are arranged above the center line of the first door plate, and a buffer column, a protective baffle and a spring are arranged below the center line of the first door plate. The acting force at the two ends can be balanced through the sleeved spring, meanwhile, the protective baffle can be moved towards the two ends, opening of the opening is achieved, and firefighters can conveniently put out flames in a blocked area.

The utility model discloses a hard fast rolling door oval spiral track which comprises door heads, two stand columns are arranged on the lower surfaces of the door heads in a spaced mode, the two kinds of door heads are arranged transversely and vertically, heat preservation door plates are rotationally connected into the transversely-arranged door heads and the vertically-arranged door heads in an oval mode, and the heat preservation door plates are arranged on the lower surfaces of the two stand columns in an oval mode. Motors are arranged in the transversely-arranged door head and the vertically-arranged door head, connecting shafts are rotationally connected to the transversely-arranged door head and the vertically-arranged door head, chain wheels are arranged outside the connecting shafts and the output ends of the motors, chains are arranged outside the two chain wheels, rotating rods are arranged at the other ends of the connecting shafts, and the rotating rods are connected with the connecting shafts. The exterior of the rotating rod is attached to the side wall of the heat preservation door plate. By means of the structure, the door head can be arranged in the transverse direction or the vertical direction, rotation can be conveniently conducted according to installation conditions when the roller shutter door is installed, and the practicability of the roller shutter door can be improved.

The application belongs to the technical field of electrical cabinets, and particularly relates to a door plate with a glass window and an electrical cabinet, which comprises a door plate body and glass, the door plate body is provided with an observation window, and the glass is arranged on the observation window; the top and bottom of the door plate body are provided with folded edges, each of the folded edges is separately provided with a baffle and surrounds a mouth-shaped closed structure, the baffle is provided with a transversely-arranged cutout for the glass to pass through, and the two ends of the cutout abut against the glass, the cutout is penetrated by a horizontal strip and fixedly connected with the baffle, the horizontal strip has two folded edges, one of which abuts against the door plate body, and the other abuts against the glass, and the folded edge of the horizontal strip at the bottom, which abuts against the door plate body, also abuts against the glass; the application can realize the limiting of the left and right and lower parts of the glass and the pressing of the edges of the glass.

The utility model discloses an anti-pinch anti-radiation door, and relates to the technical field of anti-radiation doors, the anti-pinch anti-radiation door comprises a door frame and a speed reduction assembly, the speed reduction assembly is arranged on one side of the inner wall of the door frame, the speed reduction assembly comprises a sealing groove, the sealing groove is formed in one side of the inner wall of the door frame, one side of the inner wall of the sealing groove is fixedly connected with a fixing plate, and the fixing plate is fixedly connected with the door frame. And one side of the fixed plate is fixedly connected with a servo motor. According to the anti-pinch anti-radiation door, by installing the speed reduction assembly, when the anti-radiation door body is closed, an air cylinder can push the anti-radiation door body to slide, then a servo motor controls a lead screw to rotate reversely at a low speed, an abutting rod on the lead screw slowly moves towards the side of the servo motor and makes contact with the anti-radiation door body all the time, and the closing speed of the anti-radiation door body is slowed down; and the contact rod is in contact with the anti-radiation door body, so that the telescopic rod and the spring are compressed, and the anti-radiation door body is buffered under the elastic recovery capability of the spring, so that the door closing speed is doubly slowed down, and the risk of pinching personnel is reduced.

The invention discloses an ALC internal partition wall fireproof door which comprises a door frame, an ALC fireproof door body and an observation window. A fireproof plate is movably arranged on one side of the ALC fireproof door body and detachably installed through a connecting hole. A water guide groove is formed in the fireproof plate, and a water swelling strip is embedded in the bottom of the fireproof plate; a water spraying component is movably mounted on the fireproof plate and comprises a water tank, a water pump, a water spraying plate, an atomizing nozzle and a connecting lug plate; a temperature sensor is arranged on the fireproof plate and used for triggering the water spraying component to work. Through the modular design of the detachable fireproof plate and the water spraying component, a double-layer fireproof structure is formed on the basis of a traditional ALC fireproof door, the temperature sensor triggers the atomization nozzle to conduct spraying cooling when encountering high temperature, and the water guide groove guides water flow to enable the water swelling strip to seal a gap; and the observation window is compositely fixed by fireproof glass and sealant, so that the combination of active fire prevention and passive flame retardance is realized, local replacement of damaged parts is facilitated, the fire endurance is remarkably improved, and the maintenance cost is reduced.

The utility model discloses a plasma concentration detector storage device, relates to the field of storage devices, and solves the problem that equipment is unstable in a storage cabinet, the plasma concentration detector storage device comprises a cabinet body, a cabinet door is installed at an opening of the cabinet body, and a plurality of supporting frames are fixedly connected to the inner walls of the two sides of the cabinet body; a storage plate is arranged between every two opposite supporting frames in the multiple supporting frames, and mounting assemblies are arranged on the outer surfaces of the multiple storage plates. The storage plates can be pulled out of the interior of the cabinet body to achieve storage of the equipment, operation during storage and taking of workers is facilitated, the equipment can be fixed to the mounting plates under the action of the mounting assemblies, the positions of the limiting columns can be adjusted according to the outline of the bottom of the equipment, it is guaranteed that the equipment is more stable during storage, and the storage efficiency is improved. The limiting assembly can fix the storage plate, it is guaranteed that the storage plate can be stably placed in the cabinet body, the storage plate is prevented from sliding relative to equipment on the upper portion when the cabinet door is opened, and the practicability of the device is improved.

The utility model provides an access control device. The access control device comprises a control piece and a door lock, the at least two opening and closing parts and the at least two protective doors are arranged in a one-to-one correspondence manner, and the control part is in signal connection with the at least two opening and closing parts, so that the opening and closing parts control the protective doors to have an opening state and a closing state; when the first protective door is in the open state, the control piece is in signal connection with the opening and closing piece corresponding to the second protective door so as to control the second protective door to be in the closed state, and when the second protective door is in the open state, the control piece is in signal connection with the opening and closing piece corresponding to the first protective door so as to control the first protective door to be in the closed state. Through the technical scheme provided by the invention, the problems that the pressure of the clean area and the pressure of the changing room are gradually reduced, dust enters the clean area and environmental pollution is caused when a worker opens the door of the changing room and the door for entering the clean area at the same time in the related technology can be solved.

The utility model relates to a barrier-free sliding type bidirectional opening door which comprises a door plate, a hydraulic door closer and a two-connecting-rod assembly, and an upper mounting groove is formed in one side of the upper end of the door plate 1; the hydraulic door closer comprises an upper rail, a connecting rod, a machine core and a panel. The upper rail is fixedly installed on the inner top wall of the door frame. The movement is fixedly embedded into the upper mounting groove, the upper end of the movement is fixedly connected with the panel, and the panel is fixedly mounted at an opening of the upper mounting groove; a rotating shaft penetrating through the panel is arranged on the machine core, one end of a connecting rod is fixedly connected with the rotating shaft, and the other end of the connecting rod is slidably arranged on the upper rail through an upper slider; the two-connecting-rod assembly comprises a lower rail, a long rod and a short rod. The lower rail is fixedly installed on the side, vertically opposite to the upper installation groove, of the bottom end of the door plate. The door plate is movably installed on the door frame through the hydraulic door closer and the two-connecting-rod assembly, two-way opening and automatic closing of the door plate are achieved, the disabled can pass through the door plate conveniently, and the daily life of the disabled can be effectively improved.

The utility model relates to the technical field of anti-theft doors, and discloses an aluminum alloy fireproof anti-theft door which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is located at the outer end of the main body mechanism, and the main body mechanism comprises an aluminum alloy door frame, an aluminum alloy door leaf, rock wool, a perlite fireproof plate, aluminum silicate fibers and a door lock. The aluminum alloy door leaf is movably installed on the inner side of the aluminum alloy door frame, the rock wool is fixedly installed in the aluminum alloy door leaf, the perlite fireproof plate is fixedly installed on the inner side of the rock wool, the aluminum silicate fibers are fixedly installed in the perlite fireproof plate, and the door lock is fixedly installed in the aluminum alloy door leaf. According to the aluminum alloy fireproof anti-theft door, the rock wool, the perlite fireproof plate and the aluminum silicate fibers are arranged in the aluminum alloy door leaf, fire spreading can be effectively prevented, the fireproof performance of the door is improved, the safety of the door is improved, and then the practicability of the aluminum alloy fireproof anti-theft door can be improved.

The utility model discloses a nuclear sealing door with high air tightness, and particularly relates to the field of nuclear sealing doors, the nuclear sealing door comprises a door frame and a door body, one side of the door body is connected with a hinge lug, one end of the hinge lug is rotatably connected with a support lug, the support lug is fixed on the door frame, one side of the door body far away from the hinge lug is fixedly connected with a lock frame, and the lock frame is fixed on the door frame. A lock body is inserted into the middle of the lock frame, one end of the lock body is connected with a spring bolt, and a key is inserted into the other end of the lock body. According to the utility model, firstly, through the cooperation of the lock shafts and the lock handles, when the door body is closed, the lock handles at multiple positions can be rotated, so that the first pressing plate extrudes the door frame, and the door body at the positions of the lock handles extrudes the door frame, thereby realizing the extrusion of the first sealing gasket, improving the sealing strength between the door body and the door frame, and improving the sealing performance of the door body. And the lock handle with the first pressing plate is extruded by rotating a nut at one end of the lock shaft, the extrusion strength of the first pressing plate driving the door body to the first sealing gasket can be improved, and adjustment and use are convenient.

The utility model provides an antistatic window for purifying an air-tight door, which belongs to the technical field of air-tight doors and comprises a door body, a window component and an antistatic component. A handle is installed on one side of the surface of the door body, and a sliding rail is fixedly installed at the bottom end of the door body. According to the airtight door, the mounting hole is formed in the surface of the door body, the limiting ring is mounted in the mounting hole, the mounting frame is mounted in the mounting hole in an embedded mode and makes contact with the limiting ring, the limiting ring can prevent the mounting frame from falling off in the mounting process, the window glass is mounted in the mounting frame, and therefore the airtight door is provided with the window structure; the anti-static ring is arranged outside the window glass in a sleeving mode, the anti-static ring has an anti-static effect, static transfer caused by contact between the window glass and the mounting frame and the door body is avoided, anti-static films adhere to the two faces of the window glass, and the anti-static effect is good. And static transfer caused by contact between an external object and the window glass is avoided.