283results about "Peep-holes" patented technology

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 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 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.

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 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 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 discloses an anti-radiation pressure relief gas fire extinguishing door structure which comprises a door frame and a door body, the door body comprises a main frame, an anti-radiation lead plate is arranged on one side of the main frame and on the outer side of the door frame, and an outer protection steel plate covers the outer surface of the anti-radiation lead plate. An inner protection steel plate is arranged on the other side of the main frame and on the inner side of the door frame; a pressure relief frame is arranged at the lower end of the interior of the door body, a limiting frame is arranged on the inner side of the pressure relief frame, a movable pressure relief plate is arranged between the pressure relief frame and the limiting frame, a reset spring is arranged between the movable pressure relief plate and the pressure relief frame, a movable pressure relief groove is vertically formed in the movable pressure relief plate, and the movable pressure relief groove and the limiting frame are arranged in the movable pressure relief groove. Fixed pressure relief grooves are formed in the positions, corresponding to the movable pressure relief grooves, of the interior of the limiting frame, the pressure relief plates can be rapidly opened after being pressed, the pressure relief efficiency is guaranteed under the emergency situation, the fire fighting pressure relief requirement is met, the pressure relief plates are designed in a modularized mode and can be independently replaced, and the operation and maintenance cost is reduced.

The utility model relates to the technical field of clean rooms, and discloses a color steel plate door for a clean room, a mounting plate is arranged on the outer side of a mounting frame, a sealing strip is arranged on one side of the mounting plate and located on the outer side of glass, and the sealing strip abuts against one side of the glass; the glass can be detached by detaching the mounting plate from the mounting frame, so that the fixing bulge is separated from the interior of the fixing groove, and one side of the sealing strip is separated from the outer side of the glass, and therefore, the glass can be conveniently replaced, the operation is simple and quick, and the glass replacement efficiency is greatly improved; when a fire disaster occurs, heat is transmitted to the thermosensitive glass tube through the color steel plate door body, the thermosensitive glass tube bursts, at the moment, the telescopic spring in a force storage state drives the sliding plate to slide in the sliding groove of the connecting frame, one end of the sliding plate abuts against the button switch, so that a circuit is connected, and the alarm gives out an alarm bell and light; people are reminded, the attention of people is attracted, and the harm of fire to people is reduced.

The utility model discloses a fireproof door built-in alarm structure which comprises a mounting frame, a fireproof door body is rotationally connected into the mounting frame, a mounting groove is formed in the outer side of the mounting frame, an alarm mechanism is arranged at the top of the mounting frame, and the alarm mechanism comprises a patrol assembly and a power assembly. And the patrol assembly and the power assembly are used in cooperation, the patrol assembly comprises an avoiding groove, the avoiding groove is formed in one side of the top of the mounting frame, and the rotating rack is connected with the half gear in an engaged mode. According to the built-in alarm structure of the fireproof door disclosed by the utility model, the alarm mechanism is arranged, so that fire early warning can be carried out in a larger range, and meanwhile, an alarm can be actively given to surrounding people at the first time when a fire occurs, so that people can find the fire at the first time and evacuate; the life and property loss of people is greatly reduced, the structure is simple, and the practicability is high.

An oxygen cabin observation window installation structure comprises a door body and an observation window body installed on the door body, and further comprises an installation frame body and a rear pressing frame. A front mounting groove and a rear mounting groove are formed in the inner side and the outer side of the door body correspondingly. The mounting frame body is inserted into the front mounting groove, and a fixing groove is formed in the rear side of the mounting frame body; the observation window body is placed in the fixing groove; the rear pressing frame is placed in the rear mounting groove; the rear side of the mounting frame body is connected with a plurality of threaded connecting rods; the rear ends of the multiple threaded connecting rods sequentially penetrate through the door body and the rear pressing frame to be in threaded connection with locking nuts. The observation window body is pressed between the rear pressing frame and the mounting frame body; a limiting device used for limiting the observation window body in the fixing groove is further installed on the rear side of the installation frame body. According to the observation window, sealant does not need to be smeared on the observation window body during installation, the sealant does not need to be scraped off firstly during disassembly, and therefore the observation window is relatively convenient to install and disassemble.

The present invention relates to the technical field of smart home, and specifically relates to an electronic device, a bracket for fixing the electronic device, and an installation component. The bracket for fixing the electronic device includes a plate body, a limiting piece, and a first limiting groove. The limiting piece is located at at least one end of the plate body along a first direction, and is used to guide a first limiting member to move along a second direction on the plate body and limit the first limiting member to move in a third direction perpendicular to the plate body, where the first direction, the second direction, and the third direction are perpendicular to each other in pairs; the first limiting groove is located at the end of the plate body where the limiting piece is provided, and is used to cooperate with the first limiting member for connection and limit the first limiting member to move in the second direction, and the limiting piece is used to guide the first limiting member to move along the second direction to a second limiting groove. The bracket for fixing the electronic device realizes fixing the electronic device on the bracket, and does not need to rely on external auxiliary parts. Only directional sliding assembly on the electronic device is required, and the operation is fast and simple.

The utility model relates to the technical field of fireproof wooden doors, and discloses a fireproof wooden door with an observation function, which comprises a main body mechanism and an auxiliary fireproof mechanism, the auxiliary fireproof mechanism is positioned on the inner side of the main body mechanism, and the main body mechanism comprises a protective frame, a fixed base, a connecting seat, a fireproof wooden door main body and a door handle. According to the fireproof wooden door with the observation function, through the use of the main body mechanism, the fireproof wooden door main body in the middle of the inner side of the fireproof wooden door main body is fixed through the protective frame when the fireproof wooden door is used, so that the fireproof wooden door is firmer and more durable, and the protective frame is conveniently mounted and fixed through the fixed base and the connecting base; the fireproof wooden door body is opened by pulling the door handle, the connecting hinges are arranged on the inner side of the fireproof wooden door body so that the fireproof wooden door body can be opened more conveniently, the fireproof glass window is fixed through the fixing frame, and the fireproof wooden door body is opened or closed by pulling the push-pull plates in the middles of the fixing sliding grooves in the upper side and the lower side of the fixing frame on the inner side of the fireproof wooden door body. And observation and use are performed through the fireproof glass window.

The utility model relates to the technical field of fireproof doors, and provides a steel fireproof door convenient to observe, which comprises a fireproof door main body and a cleaning and cooling mechanism. Through the arrangement of the air pump, the air pipe and the air nozzle, after the monitoring assembly detects smoke dust, the air pump works, air is conveyed to the air nozzle through the air pipe to be sprayed out, impurities attached to the surface of the observation window are cleaned, and it is avoided that observation on the interior is affected; the flue gas is filtered by the filter screen to remove impurities, so that the air pump and the air nozzle are prevented from being blocked by the impurities in the air, and the operation stability of the device is improved; according to the fireproof door, the electromagnetic valve and the cooling guide pipe are arranged, the fire hose is connected with the electromagnetic valve, after the monitoring assembly detects the high temperature of the fireproof door body, the electromagnetic valve is opened, water is fed into the cooling guide pipe, the fireproof door body is cooled, and the situation that opening is affected by the high temperature of the fireproof door body is avoided.

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.

The utility model discloses a fireproof door with a double-layer sealing door frame, which belongs to the technical field of fireproof doors, and comprises a fireproof door main body, the fireproof door main body comprises a frame body and a door leaf, the door leaf is rotatably arranged on the frame body, and the side surface and the inner wall of the frame body are respectively provided with a first side part sealing groove and a first inner wall sealing groove; a first side sealing ring and a first inner wall sealing ring are installed on the inner wall of the first side sealing groove and the inner wall of the first inner wall sealing groove correspondingly, and a second side sealing groove and a second outer wall sealing groove are formed in the side face and the outer surface of the door leaf correspondingly. By arranging the first side sealing ring, the second side sealing ring, the first inner wall sealing ring and the second outer wall sealing ring which are matched for use, the double-sealing effect of the frame body and the door leaf can be achieved, and it is guaranteed that the fireproof door body has the good sealing characteristic when used; and an anti-locking mechanism is arranged, so that the effect of preventing the door leaf from being accidentally locked during emergency escape can be achieved.

The utility model relates to a fireproof door leaf which comprises a door leaf body, a first panel covering and connected to the rear side of the door leaf body and a second panel covering and connected to the front side of the door leaf body, and the door leaf body comprises a door leaf frame and a door leaf core plate embedded in the door leaf frame. The door leaf frame comprises a rectangular frame formed by connecting four door leaf frames arranged along the four edges of the fireproof door leaf. Each of the four door leaf frames comprises a first wooden frame and two first inorganic fireproof plates with the length extending in the length direction of the first wooden frame, and the two first inorganic fireproof plates are connected to the front side and the rear side of the first wooden frame respectively. According to the fireproof door leaf, the door leaf frame and the window frame are reasonably arranged, the structural stability of the fireproof door leaf is improved, and meanwhile it can be guaranteed that the fireproof door leaf has the good fireproof performance, the light weight level and the cost control level.

The invention belongs to the technical field of fireproof doors, and discloses a cabin fireproof door according with human engineering, which comprises a fireproof door frame, the fireproof door body is hinged to the middle of the fireproof door frame; the door lock assembly is arranged in the middle of an inner cavity in one side of the fireproof door body; according to the technical scheme, the circulating cooling mechanism and the primary cooling assembly are arranged, and when water in one side of the circulating cooling mechanism absorbs heat generated by heating of the door lock assembly, part of water can be evaporated into water vapor; then, the other side of the circulating cooling mechanism is released to push internal gas to enter the first cooling assembly through the top of the circulating cooling mechanism, and at the moment, the air pressure in the first cooling assembly is increased, so that water at the bottom is guided into the circulating cooling mechanism; and top water vapor can also make contact with the primary cooling assembly to be cooled into water, so that the purpose of water circulation is achieved, heat absorption cooling can be continuously conducted on the middle of the door lock assembly finally, and hands of people are prevented from being scalded by high temperature.

The utility model provides a sealing ring structure and a cooking device, and relates to the technical field of cooking utensils. The sealing ring structure comprises a sealing ring and an annular lip edge, the outer edge of the lip edge is fixed to one side of the sealing ring, and the lip edge extends in the circumferential direction of the sealing ring. An included angle is formed between the lip edge and the sealing ring, the side face, forming an obtuse angle with the sealing ring, of the lip edge is used for abutting against an external object, a plurality of protrusions are arranged on the side face, forming an acute angle with the sealing ring, of the lip edge, and the protrusions are sequentially distributed in the circumferential direction of the lip edge. According to the sealing ring structure, the uniform thin-wall structure of the lip edge can be effectively damaged by arranging the protrusions on the lip edge, when high-temperature gas overflows between a door body and other external objects of the cooking utensil and the lip edge, resonance caused by high-speed vibration of the lip edge due to gas flow can be effectively prevented, and then the squeal phenomenon is avoided.

The utility model discloses a high-strength watertight chamber door for a cabin, which belongs to the technical field of ships and comprises a chamber door frame fixed on a cabin body and a cabin door assembly with the left side rotatably mounted on the chamber door frame through a plurality of hinges. The cabin door assembly comprises a front cabin cover located on the front side, a rear cabin cover detachably installed on the rear side of the front cabin cover and a lock fixedly installed between the front cabin cover and the rear cabin cover. A plurality of movable plug pins which are simultaneously distributed on the top side, the right side and the bottom side of the rear hatch cover are further installed between the front hatch cover and the rear hatch cover, and every two adjacent movable plug pins are in synchronous transmission through a connecting rod. According to the scheme, on the basis that only a lock is used for locking the cabin door traditionally, the multiple movable bolts distributed on the different sides of the cabin door are added, all the movable bolts can be assembled on the room door frame at the same time under transmission of the connecting rods, so that the cabin door structure is strengthened, the strength of the closed cabin door is higher, and the service life of the cabin door is prolonged. And the cabin door is not easy to generate abnormal sound when the ship sails.