12results about "Gasproof doors" patented technology

This application relates to an impact-resistant double-layer air-raid shelter door, belonging to the technical field of double-layer air-raid shelter doors. The main body of the double-layer air-raid shelter door includes an outer door panel, a front door panel, a rear door panel, and two slots. The rear door panel is fixed inside the right slot, and the rear end of the front door panel is connected to the left slot. The front wall of the cavity of the left slot is provided with an anti-pressure component. The anti-pressure component includes multiple sets of connecting blocks, multiple sets of compression blocks, multiple sets of buffer springs, a connecting rod fixedly installed on the opposite side of the upper and lower connecting blocks, and a pressing rod fixedly installed and hinged to the front end of the two compression blocks in the same set. This impact-resistant double-layer air-raid shelter door, by providing an anti-pressure component, can mitigate the impact force received by the double-layer air-raid shelter door, reducing the probability of deformation or even damage due to impact force, thereby increasing the service life of the double-layer air-raid shelter door. It can buffer the impact force in stages to further improve the buffering performance and facilitate the maintenance and repair of the anti-pressure component.

The application belongs to the technical field of fireproof and heat-insulating glass, and particularly relates to a fireproof and heat-insulating glass and a preparation process thereof, which comprises assembling frames, a glass body, reinforcing plates and fireproof and heat-insulating sponges, wherein the assembling frames are provided in pairs, the glass body is clamped on the inner walls of the assembling frames, the reinforcing plates are arranged between the two assembling frames and are connected through the reinforcing plates, and the fireproof and heat-insulating sponges are installed on the reinforcing plates; special tempered glass or fireproof glass is selected as a base material, the strength of the glass plate can be maintained at high temperature, the glass plate is subjected to mechanical processing and edge grinding treatment, the safety and compatibility of the component are ensured, the developed fireproof and heat-insulating sponge material has excellent heat-insulating property, can protect the structure from high temperature, adopts a hollow sandwich design to block heat and flame propagation, improves the fireproof performance, forms a closed system preventing smoke penetration through edge sealing and surface reflection coating, effectively reduces heat transfer, and realizes efficient heat insulation.

The utility model discloses a rapid smoke sealing device for fire fighting. The rapid smoke sealing device comprises a device frame and a baffle, the device frame is pre-arranged in a wall body, and a through groove of the device frame corresponds to a door or a window in position; the interior of the device frame is hollow to form a containing groove, and the blocking plate is arranged in the containing groove. Mounting cavities are formed in the upper portion and the lower portion of the containing groove and the through groove correspondingly, and transmission structures are arranged in the mounting cavities. The blocking plate is arranged at the transmission end of the transmission structure, the blocking plate is driven by the transmission structure to move, and then closing and opening of the through groove are achieved. The frame of the device is embedded into a wall body in advance and is flush with the surface of a building at ordinary times, when a fire occurs, environmental data are monitored in real time through the temperature sensor and the smoke sensor, closing and alarming of the barrier plate are controlled through the control main board, and the gold disposal time at the initial stage of the fire is effectively shortened.

This invention provides a sliding sealing door for chemical fiber production equipment, solving the safety hazard caused by the excessive load on the hydraulic cylinder when opening existing sealing doors. The door includes a sealing frame composed of four L-shaped angle steel bars. A lower sliding door slide plate is fixedly installed on the bottom inner surface of the sealing frame near its inner edge. A lower sliding door is slidably mounted on the lower sliding door slide plate. A raised square steel bar located outside the lower sliding door slide plate is fixedly installed on the bottom inner surface of the sealing frame. An upper sliding door slide plate is fixedly installed on top of the raised square steel bar. An upper sliding door is slidably mounted on top of the upper sliding door slide plate, above the lower sliding door. The bottom surface of the upper sliding door is in contact with the top surface of the lower sliding door. Both the lower and upper sliding doors are equipped with a sliding drive mechanism. This device, by replacing the original hinged sealing door with a sliding sealing door, avoids the safety hazard caused by the excessive load on the hydraulic cylinder during opening and closing.

The utility model relates to the field of purification doors, and particularly discloses an automatic translation purification door which comprises a first door plate, a second door plate and a purification door back plate, a mounting shell is fixedly connected to the upper side of the outer wall of the purification door back plate, and a door opening and closing mechanism is arranged in the mounting shell. The door opening and closing mechanism comprises a threaded rod rotationally connected to the inner wall of the mounting shell, a servo motor installed on the outer wall of the mounting shell, a sliding rod fixedly connected to the inner wall of the mounting shell, a first straight rack fixedly connected to the front end face of the interior of the mounting shell, and a second straight rack rotationally connected to the front end face of the first door plate through a rotating shaft, wherein the output end of the servo motor is fixedly connected with the threaded rod. The first door plate and the second door plate can be driven to be opened or closed synchronously by matching the gear, the threaded rod, the sliding rod, the gear, the first straight rack and the second straight rack which are in meshed connection with the first straight rack, and the first door plate and the second door plate can be stacked together after being opened, so that use in a narrow space is facilitated.

The application discloses a steel structure protective sealed door and belongs to the technical field of protective doors. The technical scheme is as follows: a door frame is integrally poured with a concrete wall body; a door leaf is hinged to the door frame; a sealing strip is arranged on the door frame and on the side corresponding to the door leaf; a pressurizing assembly is arranged on the door leaf and is provided with a pressurizing seat; and a reinforcing structure is arranged in the door leaf and comprises a horizontal reinforcing plate and a vertical reinforcing plate. The pressurizing seat is arranged on the four side edges of the door leaf, the door frame is provided with a pressurizing groove, and the pressurizing assembly controls the pressurizing seat to abut against the side wall of the pressurizing groove. The application can improve the sealing performance of the four side edges of the door leaf.

The utility model discloses an anti-airtightness ventilation cut-off waveguide window, which belongs to the technical direction of waveguide windows and comprises a waveguide window, the waveguide window is detachably mounted on a wall body of a shielding room, the inside of the waveguide window is provided with honeycomb-shaped ventilation holes, a cover plate is detachably mounted on one side of the outside of the waveguide window, and the cover plate is detachably mounted on the other side of the waveguide window. A rubber and plastic heat preservation plate is detachably installed on the cover plate, a stainless steel spring hasp is detachably installed on the other side of the outer portion of the waveguide window, sealing or ventilation operation can be rapidly switched through matched use of a hinge corner piece, a hinge fixing block and a stainless steel hinge 2, frequent disassembly and assembly are not needed, the time needed for installation is shortened, operation is convenient and rapid, and the sealing effect is good. Through cooperative use of the cover plate, the rubber and plastic heat preservation plate and the waveguide window, the waveguide window can be subjected to airtight operation, when toxic gas is generated in an experiment, the airtight device can be closed outside the shielding chamber, the toxic gas is prevented from leaking out, the external environment is prevented from being damaged, operation is convenient and rapid, and the working efficiency of workers can be effectively improved.

The utility model discloses a drooping type smoke-proof curtain, which relates to the field of smoke-proof curtains, and comprises a top frame, the two sides of the lower end part of the top frame are fixedly connected with borders, the side of the top frame is fixedly connected with a motor, the output shaft of the motor is in transmission connection with a driving shaft, and the driving shaft is matched with a roll shaft through a shifting mounting assembly. The driving shaft and the roller shaft are in transmission connection through a linkage installation assembly, a smoke-proof curtain is installed on the outer ring of the roller shaft in a winding mode, and the lower end of the smoke-proof curtain penetrates through a transverse groove reserved in the bottom of the top frame and is fixedly connected with a saddle weight. The two sliding rods are driven to move by oppositely shifting the two ring blocks, when the sliding rods move towards the interiors of the sliding grooves to be away from the columnar grooves and the clamping grooves, the smoke prevention curtain can be detached, and the two ends of the follow-up roller shaft are opposite to the columnar grooves and the clamping grooves in position; and the springs return to move to push the sliding rods to be matched with the corresponding columnar grooves and the clamping grooves to achieve installation of the smoke-proof curtain, and disassembly, assembly, maintenance and regular replacement of the smoke-proof curtain are facilitated.

The utility model relates to a fire-fighting smoke exhaust window for a gas film building, which belongs to the technical field of building smoke exhaust and particularly comprises a supporting bottom plate mounted on a bottom frame of a rectangular plate frame, the supporting bottom plate is horizontally arranged, a cover plate is mounted on a top frame of the rectangular plate frame, and side plates are mounted on two side frames of the rectangular plate frame respectively. The end faces of the supporting bottom plate, the cover plate and the side plate are located on the same plane, the side plate is fixedly connected with the supporting bottom plate and the cover plate, the front end of the supporting bottom plate is connected with a door plate through a hinge, connecting bases are installed on the supporting bottom plate and the back of the door plate respectively, an electric push rod is installed between the connecting bases, and the two ends of the electric push rod are hinged to the connecting bases respectively. The air film building smoke exhaust device is simple in structure, reasonable in design, capable of meeting the requirement for smoke exhaust of an air film building, and convenient to install and fix.

The utility model discloses a civil air defense door with a quick plugging mechanism, relates to the technical field of civil air defense doors, and provides the following scheme aiming at the problems that after a fireproof door provided in the background technology is automatically closed, a certain gap exists between a fireproof connecting door and the ground, toxic smoke enters the other side of the fireproof door along the gap, and the protection effect is poor. Comprising a door frame and a sealing door, a limiting mechanism is arranged in the door frame, the limiting mechanism comprises a doorsill, a blocking mechanism is arranged in the door frame, and the blocking mechanism comprises a blocking plate, a connecting plate fixedly arranged on the outer wall of one side of the blocking plate and four connecting rods fixedly arranged on the outer walls of the two sides of the connecting plate in a pairwise mode; adjusting mechanisms are arranged on the two sides of the door frame, and each adjusting mechanism comprises a mounting plate and an adjusting oil cylinder. The gap between the bottom of the civil air defense door and the ground can be blocked in the automatic closing process of the civil air defense door, toxic smoke is prevented from penetrating through the gap, and the protection effect is improved.

The utility model relates to the technical field of air-tight doors, in particular to an anti-impact protective air-tight door which comprises a connecting door, a fixed door frame and a fixed door head, a pushing plate is fixedly connected below the fixed door frame, a limiting groove is movably connected below the connecting door, a pushing spring is fixedly connected inside the limiting groove, and the fixed door head is fixedly connected with the pushing plate. A driving rack is movably connected to the interior of the fixed door frame, a door head groove is movably connected to the upper portion of the connecting door, a force unloading plate is fixedly connected to the interior of the connecting door, and a force unloading rod is movably connected to the outer portion of the force unloading plate. The lifting plate is pushed up through the elastic force of the pushing spring, the limiting groove is filled and leveled up, in the process that the connecting door is impacted, the door is protected through rotation of the force unloading shaft and resistance force unloading of the damper, and the door is recovered through the elastic force of the force unloading spring.

The utility model discloses an anti-locking double-leaf protective air-tight door which comprises a door frame and air-tight doors, the air-tight doors are symmetrically arranged in the door frame, the rear ends of the air-tight doors are rotatably connected with the door frame through hinges, a plurality of supporting blocks are installed at the rear ends of the air-tight doors, universal wheels are installed at the lower ends of the supporting blocks and make contact with the ground, and a concentric-square-shaped sealing strip is installed on the inner wall of the door frame. A hidden groove is formed in the bottom in the door frame, and two anti-locking mechanisms are arranged in the hidden groove. Supporting force is provided for the sealing door through the universal wheels and the supporting blocks, the sealing door cannot droop and deform under the influence of suspended gravity after being opened for a long time, meanwhile, when the sealing door is opened, the baffle is obliquely arranged, so that particle sundries falling on the baffle can roll down and cannot stay on the baffle, and the sealing door is convenient to use. And the situation that the sealing door is blocked and cannot be closed due to the particle impurities is avoided.