1218results about "Door leaves" patented technology

The present application relates to the field of door core material preparation, and particularly relates to a heat-insulating and fireproof door core material for security doors and a preparation method thereof, comprising a protective layer, a heat-insulating layer and a core part, wherein the core part comprises a plurality of springs arranged at equal intervals and fixed plates arranged at both ends of the springs; the heat-insulating layer is arranged outside the fixed plates; and the protective layer is bonded to the outside of the heat-insulating layer and is a foamed aluminum plate, which is prepared as follows: S1, cutting the fixed plates and then welding spring fixing bases and fixing buckles; S2, arranging and fixing the springs; S3, weighing the component materials of the heat-insulating layer, adding water and mixing uniformly; S4, based on a core material preparation system, sequentially completing pouring, jarring, smoothing and heat-insulating drying of the two heat-insulating layers after setting; S5, preliminarily determining whether the preparation of the heat-insulating layer meets preset standards according to the measured compressive strength; and S6, bonding the protective layer. On the basis of ensuring the performance of the core material, the present application can also be applied to the door core of security doors with different thicknesses.

A door system comprises a door frame adapted to be mounted within an opening, a door pivotally attached to the door frame, an AC / DC converter configured to be electrically connected to an AC power unit operably associated with the door system, a slot in the door, a pre-wired receptacle disposed in the slot, and a DC electric device removably disposed in the pre-wired receptacle and electrically connected to the AC / DC converter through the electrical connector of the pre-wired receptacle. The pre-wired receptacle comprises an electrical connector electrically connected the AC / DC converter.

A green energy-saving cold store is provided, including a cold room, a platform, a machine room, and a refrigerating system. A drying layer (1) is arranged below the first floor of the cold room; a ground heat insulation layer (2) is moved downwards into the drying layer (1) and is separated from a first floor slab (3); an inner wall (4), an internal partition wall, and the wear-resistant waterproof floor (33) are directly located on the first floor slab (3) and integrated with a frame structure; a peripheral protective wall adopts a light steel structure wall surface (14), and is connected to the frame structure by means of ball joint tie beams (15) at the intersection points between frame beams and columns. The cold store is energy-saving and environment-friendly, and has good anti-seismic and fireproof performance.

The utility model provides a lightweight warm-keeping indoor wooden door, which relates to the technical field of wooden doors and comprises a wooden door main body, a door handle is mounted on the surface of one side of the wooden door main body, a mounting groove is formed in the wooden door main body, and a cover plate is mounted at the top of the wooden door main body and located at the top of the mounting groove. A heat preservation foam plate is mounted in the mounting groove, and connecting mechanisms used for mounting are arranged at the two ends of the heat preservation foam plate. The interior of the wooden door body is hollow, the thermal insulation foam board is installed, the overall weight of the wooden door can be reduced, installation operation is more convenient, the wooden door can have the better thermal insulation effect, the rubber sealing strips are movably installed through the sliding blocks and the connecting springs, and the sealing effect is good. The bottom of the rubber sealing strip can be always in contact with the ground by utilizing the elastic effect of the spring and the material characteristics of rubber, so that a gap at the bottom of the wooden door main body is smaller, and a better heat preservation effect can be achieved when the wooden door is closed.

The utility model relates to a vacuum plate structure, which is applied to the technical field of vacuum plates and comprises an aluminum plastic film, a core material and a getter, the aluminum-plastic film is provided with two layers, namely an upper aluminum-plastic film layer and a lower aluminum-plastic film layer, and the upper aluminum-plastic film layer and the lower aluminum-plastic film layer are annularly sealed; the core material is filled between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer, the getter is arranged between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer, and the space between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer is vacuumized; the aluminum-plastic film comprises a nylon protective layer, a first aluminum foil layer and a polyethylene PE layer which are sequentially stacked, and the polyethylene PE layer in the upper aluminum-plastic film layer and the lower aluminum-plastic film layer is arranged on the side close to the core material. The space between the upper aluminum plastic film layer and the lower aluminum plastic film layer is filled with the core material and the getter, and vacuumizing treatment is carried out, so that the sound insulation characteristic of the vacuum plate is improved; and the first aluminum foil layer in the aluminum-plastic film can improve the sound insulation index of high-frequency sound in the vacuum plate, reduce the air leakage rate and improve the durability of the vacuum plate.

The application discloses an equipment room fireproof door with ventilation and smoke prevention performance, and aims to provide a reasonable structure, fire resistance, good smoke prevention performance and ventilation and heat dissipation effect, which comprises a door frame, a door leaf and a hinge, a shutter device is arranged on the middle lower part of the door leaf, the shutter device comprises a shutter frame, a plurality of movable blades which are sequentially and movably connected on the shutter frame, a linkage assembly which is connected on the movable blades, a heat-sensitive assembly which is arranged on the shutter frame and used for controlling the operation of the linkage assembly, and an elastic member which is used for providing a restoring force for the linkage assembly, one end of the elastic member is fixed on the shutter frame, and the other end is connected with the linkage assembly.

The utility model provides a door plate. The door plate comprises a panel, a cover plate, a filling layer and a supporting layer. The cover plate is provided with a mounting cavity. And the panel is fixedly connected with the cover plate and covers the opening of the mounting cavity. And the filling layer is arranged in the mounting cavity. The supporting layer is arranged in the mounting cavity and at least located between the panel and the filling layer. The supporting layer adopts a metal plate. Compared with a wooden door plate in the related technology. The filling layer and the supporting layer made of the metal material are arranged between the panel and the cover plate, so that the overall strength of the door plate is improved by exerting the high strength of the metal plate. The supporting layer is made of a metal plate, is firm in structure and high in bending resistance and pressure resistance, provides strong support for the panel, enhances the strength of the panel, and can effectively resist deformation caused by long-time use and external force impact.

The utility model relates to the technical field of kitchen household appliances, and provides a door body structure and a disinfection cabinet comprising the same. The door body structure comprises a door body provided with an interlayer cavity, a control panel assembly and a water accumulation assembly. The control panel assembly is arranged in the interlayer cavity and comprises a control panel body and a support, the support is arranged on the door body and provided with an assembling space in a surrounding mode, at least part of the control panel body is contained in the assembling space and connected to the support, and at least the upper position of the support is provided with a flow guide channel arranged on the peripheral side of the control panel body in a surrounding mode. The water collecting assembly at least comprises a water collecting cavity, and the water collecting cavity is arranged below the control panel assembly and communicates with the flow guide channel. According to the door body structure, the protection effect and the waterproof effect on the control panel are effectively improved.

The utility model relates to the technical field of protective doors, and one embodiment of the utility model provides a hot smoke box protective door structure which comprises a door plate and further comprises a heat preservation plate, a mounting cover, a fixing mechanism, a fixing seat, a fixing opening, a positioning seat, a positioning mechanism and a moving mechanism, the heat preservation plate is arranged on one side of the door plate, and a mounting groove is formed in the heat preservation plate; the mounting cover is arranged in the mounting groove in a sliding mode, positioning grooves are formed in the two opposite side walls of the mounting cover, the fixing mechanism is arranged between the mounting cover and the side walls of the mounting groove and is used for fixing the mounting cover and the side walls of the mounting groove, and the fixing base is fixedly arranged on the door plate and can extend into the mounting cover in a sliding mode. A fixing opening is formed between the two opposite side walls of the fixing seat, the positioning seat is arranged in the fixing opening in a sliding mode, the positioning mechanism is arranged on the positioning seat, and through the technical scheme, the technical problem that in the prior art, the installation stability between the protective door and the heat preservation plate is low is solved.

The utility model discloses a novel self-locking safety sliding door, and relates to the technical field of production line safety sliding doors. The sliding door comprises an upper rail, a lower rail, a sliding door body, a self-locking mechanism and a reinforcing edge, rollers are arranged at the top and the bottom of the sliding door body, the sliding door body is slidably arranged between the upper rail and the lower rail through the rollers, an arc-shaped opening is formed in the center of the top edge of the sliding door body, the reinforcing edge is fixed to the arc-shaped opening of the top edge of the sliding door body, and the cross section of the reinforcing edge is of an inverted-U-shaped structure. The reinforcing edge is a thin plate mechanism. According to the sliding door, the arc-shaped opening is formed in the sliding door body, the self-locking mechanism is arranged at the position of the arc-shaped opening, self-locking of the sliding door body can be achieved through pressure provided by the spring, and the problem that the sliding door body cannot be kept in a closed state after sliding door rollers are abraded is solved; the safety problems of frequent alarm and equipment shutdown due to the fact that the sliding door is separated from the detection range of the proximity switch are avoided, normal use of the sliding door is guaranteed, and personnel safety and production line safety are guaranteed.

The utility model discloses a guide ventilation cut-off waveguide window for a dangling type explosion-proof wave shielding valve, which belongs to the technical direction of waveguide windows and comprises an inclined ventilation cut-off waveguide window, a static pressure absorption cabin, a horizontal ventilation cut-off waveguide window, a door leaf outer door plate and a door leaf inner door plate. The oblique ventilation cut-off waveguide window is welded to one end of the outer door plate of the door leaf, the oblique ventilation cut-off waveguide window, the static pressure absorption cabin and the horizontal ventilation cut-off waveguide window are used in cooperation, a double-layer combined ventilation waveguide structure is adopted, and a wave absorption material is attached to the static pressure absorption cabin, so that electromagnetic waves are reflected and absorbed for multiple times in the static pressure absorption cabin; electromagnetic wave energy entering the shielding body is greatly weakened, the overall shielding effectiveness is improved, meanwhile, the static pressure absorption cabin can evenly distribute air volume, stabilize airflow, reduce airflow vibration and noise, convert part of dynamic pressure into static pressure, reduce dynamic pressure loss, improve the efficiency of a ventilation system, enable air to be blown farther, and effectively reduce the length of the hexagonal waveguide structure.

The utility model relates to the technical field of wooden doors, and discloses a wooden door internally filled with log mechanical plates, which comprises a main body assembly, the main body assembly comprises a wooden door body, and handles are symmetrically arranged on the wooden door body; the two log mechanical plate bodies are inserted into the wooden door body and are symmetrically arranged; disassembling assemblies are symmetrically arranged on the wooden door body, and each disassembling assembly comprises a groove formed in the outer side wall of the wooden door body; the sliding groove is formed in the wooden door body; the log mechanics plate has the advantage that internal filling can be independently replaced, when the log mechanics plate body needs to be disassembled, an operator pulls the limiting groove in the groove body, the pulling plate pulls the limiting block to move in the sliding groove, and therefore the pulling plate is moved out of the limiting groove in the log mechanics plate body, limiting and fixing of the log mechanics plate body are omitted, and the log mechanics plate is convenient to disassemble. And then an operator can take out and replace the log mechanical plate body, and the problem that the whole wooden door needs to be replaced when internal filling is damaged is solved.

The utility model relates to fire engineering technical field especially fire engineering is with preventing deformation's heat -proof fire door, including door frame, still including door shell and door lock component, door frame one side fixedly connected with door shaft, door frame one side fixedly connected with door shaft, the material that this device adopts through door shell is steel sheet to improve the strength of door, prevent deformation, the material that fills the layer adopts is magnesium oxide to improve the heat -proof of door, through being provided with first fire -retardant expansion seal and second fire -retardant expansion seal on door frame and door shell, thereby the door gap is sealed, improves the leakproofness, can effectively block the flue gas, through first spring drive movable block in the inside slide of guide block, movable block drive toothed plate removal, toothed plate drive gear rotation, gear drive first rotation axis rotation, first rotation axis drive second connecting rod rotation, second connecting rod drive first connecting rod in the inside rotation of fixed block, thereby the door shell is automatically closed, prevents the fire, flue gas spreads.

The utility model relates to the technical field of adjusting support, concretely to a high airtightness civil air defence door device. The utility model discloses door frame and door leaf, the inside of door leaf is equipped with adjusting device, the adjusting device includes flange bearing and two racks, the circular arc surface of flange bearing is fixedly connected with door leaf, the inboard fixedly connected with the shaft of flange bearing, one end fixedly connected with the gear of the shaft, the outside of gear is engaged with two racks, one end fixedly connected with the connecting plate of rack, one end fixedly connected with the moving plate of connecting plate, one side of two moving plates is connected with door leaf slidingly. The traditional high airtightness civil air defence door device basically adopts single point locking structure, when single point locking, impact force (such as explosion shock wave) concentrates on single locking point, causes door leaf to bear non-uniform load, and the problem that partial door leaf is easily caused to be recessed or locking point welding place fatigue fracture.

The utility model discloses a counter-pulling anchoring flood gate adopting a rear anchoring mode, which comprises a door frame structure, a door leaf, a locking structure, a hinge and an anchoring device, the door frame structure is arranged in a door opening of a wall body through the anchoring device, the door leaf is connected to the wall body through the hinge, and the locking structure is arranged on the door leaf; the door frame structure comprises a door frame and a doorsill, the anchoring devices comprise the first anchoring device and the second anchoring device, the door frame is arranged in a door opening of a wall through the first anchoring device, the doorsill is arranged on the ground through the second anchoring device, and the hinge is arranged on the wall through the first anchoring device. The door frame is fixed in the wall body through the anchoring device, the structural complexity of the door frame is greatly reduced, the adopted opposite-pulling anchoring mode has the advantages of being simple in structure, high in anchoring strength and convenient to install, and the protection performance of the moisture-proof door can be effectively improved.

The utility model provides a kind of quick-release cabinet door structure, the cabinet door includes by a door panel, two louver grating board, two protective nets, a waterproof adhesive tape, a door frame limiting plate and several rotating door locks;Second drain groove is formed by the bending of the periphery edge of door panel, the middle part of door panel is opened with two door holes symmetrically, door hole side plate is formed by the bending of the back of door hole, the bottom of door hole is formed by the bending of drainage slope;Two louver grating boards are respectively arranged in two door holes;Two protective nets are arranged on the back of two louver grating boards;Waterproof adhesive tape is fixed on the periphery edge of the back of door panel, the inclined surface end of first drain groove is just set on waterproof adhesive tape;Door frame limiting plate is fixedly arranged on the bottom of the back of door panel by fixed part, and clamping part is clamped on the back of first drain groove;Rotating door lock is arranged on door panel.The utility model is a kind of quick-release cabinet door structure with simple structure, easy to make, low cost, which can be easily opened and protected, with good heat dissipation effect, and can adapt to humid environment.

A kit for the assembly of a main door comprises at least two fixed uprights and at least one fixed crossbeam, associable with each other to define a fixed frame that can be attached to an access opening of a compartment, wherein the access opening has relevant reference dimensions; at least two movable uprights and a plurality of panels, associable with the movable uprights to define a movable leaf; a movement device / structure / component / element / unit / apparatus, associable between the movable uprights and the fixed frame; where at least one of the fixed uprights, the fixed crossbeam and the movable uprights is made according to respective predefined standard dimensions, which are bigger than the reference dimensions, and comprises at least one related trimmable portion, provided with at least one graduated reference scale adapted to allow the cutting of the trimmable portion depending on the reference dimensions.

A door for a home appliance includes a door body disposed in front of a storage space of the home appliance. A lighting device may be disposed at the door body. The lighting device includes a lighting housing with an installation space provided therein, a light source emitting light to the storage space, and a cover plate transmitting light from the light source. Since the lighting device is installed in the door, the lighting device is less affected by the internal environment of the home appliance, and the durability of the lighting device may be improved.

The utility model belongs to freezer technical field especially is a kind of frostless display freezer, including cabinet, and the front side hinged connection of cabinet is connected with switch door.The utility model is placed on the baffle in cabinet by the object in cabinet under the condition that switch door is closed, it is convenient to show the article in cabinet to outside, when taking article, hold U-shaped handle and press push rod, push rod is moved by corresponding connecting rod with the driving connecting plate, connecting plate is stretched to corresponding second spring in the process of moving, connecting plate is moved by hinged link with the driving square bar, square bar is moved with the driving corresponding limit ring, limit ring is stretched to corresponding first spring in the process of moving, so that square bar is separated from corresponding square groove, U-shaped handle is pulled at this time, U-shaped handle is moved with the driving corresponding drawer, drawer is slid on guide rod with the driving corresponding slider, so that rectangular hole is not shielded, take out the article on baffle, avoid the energy waste caused by switch door wide open.

The utility model relates to the related technical field of door edge covering, in particular to an edge covering structure with a deformation preventing function and a door, and the edge covering structure with the deformation preventing function comprises two attaching plates attached to the two sides of a door plate; the side frame is formed by connecting four side frames end to end and is of a frame-shaped structure, the side frame wraps the four edges of the door plate, the two attaching plates are clamped and fixed, each side frame comprises an inserting beam, clamping grooves allowing the side ends of the attaching plates to be inserted are formed in the two ends, in the thickness direction of the door plate, of each side frame, and the attaching plates can be bonded to the surfaces of the inserting beams after being inserted into the clamping grooves. The four edges of the door plate are wrapped, compared with an existing mode that the four edges of the door plate are directly attached to the side ends of the door plate, the stability is higher, the problem that the side frames fall off can be effectively prevented, meanwhile, the two faces of the door plate are wrapped by the two attaching plates, assembling is convenient, and the stability of the side frames after installation is kept; the compressive strength of the side frame can be effectively improved, and the situation of compressive deformation is prevented.

The present invention relates to a pull bar for a joinery element, said joinery element comprising at least two opposing faces delimiting an internal space, said pull bar comprising: - a plate through which an orifice passes, said plate being intended to be housed inside said internal space of said joinery element, applied against a first of said faces through which at least one opening passes, in such a way that said orifice of said plate coincides at least in part with said opening of said face; - a shell comprising a wall delimiting a bearing surface and a cavity, said shell being intended to be housed inside said internal space of said joinery element with its bearing surface applied against said plate and said cavity housed in said internal space of said joinery element;said plate partially closing said cavity in such a way that said orifice constitutes an orifice for the insertion of fingers into said cavity and that at least a portion of said plate closing said cavity constitutes a gripping area for said fingers, said plate and / or said shell being made of material(s) having a coefficient of thermal conductivity less than or equal to 300 W / (mK).

The utility model discloses a frame can quick replacement's display cabinet glass door relates to display cabinet glass door technical field, include: door frame, the middle installation of door frame has glass body, the four corners of door frame all are installed with connecting block, the inside of door frame is provided with the notched, the middle of notched is provided with fixed buckle, the one side mounting of fixed buckle has outer frame, the one end of connecting block is connected with fixed block. This frame can quick replacement's display cabinet glass door when using, when glass door frame fades, can quickly give frame replacement shell, through the insertion frame, remove old parts, again the new frame shell is through the way of insertion and buckling, and the part is fixed to glass door main body, makes glass door color as initial, and can change a variety of colors, this item frame function, can be good to solve the pain point of the current market refrigerator fading, increases the color selectivity, satisfies the different use demand of user.

The utility model discloses a novel aluminum alloy cabinet, which belongs to the technical field of express delivery cabinets, and comprises a main body structure consisting of two groups of side surface components and a back surface component, the vertical partition assembly comprises a middle sectional material and a lock catch sectional material, and the middle sectional material and the lock catch sectional material are arranged in the main body structure and conduct vertical partition on the inner space of the main body structure; the structure further comprises a transverse segmentation assembly, the transverse segmentation assembly comprises a division bar sectional material, and the division bar sectional material is arranged in the main body structure and conducts transverse segmentation on the inner space of the main body structure. According to the aluminum alloy cabinet, the main body structure is made of aluminum profiles, the structure is simple, convenience and practicability are achieved, the aluminum alloy cabinet is easier to machine, compared with an existing aluminum alloy cabinet, the aluminum alloy cabinet is not prone to corrosion, better in waterproof and fireproof performance and longer in service life, meanwhile, the self weight is reduced, transportation is convenient, and mounting and dismounting are convenient.

The utility model belongs to the technical field of doors and windows, and particularly relates to an aluminum profile door body. The aluminum profile door body is composed of an aluminum profile combined door leaf and a door frame which are connected through hinges. The door frame body is composed of a door frame upper frame, a door frame left frame and a door frame right frame which are made of aluminum profiles, the connecting end faces of the three frames are 45 + / -1 degrees, and the three frames are sequentially connected to form the door frame body with the angle of 90 + / -2 degrees. The combined door leaf comprises a door leaf frame body, a front door plate and a rear door plate, the door leaf frame body is composed of four aluminum profile frames with the same section shape, the connecting end face of the door leaf frame body is also 45 + / -1 degrees, and the connecting angle of the door leaf frame body is 90 + / -2 degrees. By means of the design, the weight of the door frame is reduced, meanwhile, strength and durability are kept, and installation difficulty is reduced. By arranging the corner connector installation grooves and the door frame corner connectors, accurate connection of all the frames of the door frame is achieved, the problem that the size of a traditional steel plate door frame is unstable is solved, and installation accuracy is improved.

The invention relates to an armored fire door comprising a frame and at least one opening leaf, the opening leaf comprises a wooden base panel comprising an external face intended to form an external face of the fire door and an internal face opposite the external face, the internal face and the external face being connected to each other by an edge, at least part of the internal face and at least part of the edge being covered by a metal armoring coating having a first face arranged facing the base panel and a second face opposite the first face. The opening leaf comprises a fire panel bonded by an incombustible glue between the internal face of the base panel and the first face of the metal armoring coating and at least part of the edge of the opening leaf comprises a non-combustible wool seal arranged between the base panel and the first face of the metal armoring coating.

The utility model discloses a multifunctional wooden door, which belongs to the technical field of wooden doors and comprises a middle plate and outer door plates adhered to two sides of the middle plate, a through hole is arranged at the bottom of the middle plate and penetrates through the middle plate and the outer door plates, a sealing component is mounted inside the middle plate, and a climbing frame is mounted on the outer side of the sealing component. Through the arrangement of the through hole, pets can enter and exit conveniently, and the sealing assembly is arranged in the through hole, so that when the pet door is used, compared with an unshielded pet entrance and exit, the pet door has better sealing performance, heat preservation performance and a better sound insulation effect, and meanwhile, entering and exiting of the pets cannot be affected.

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 invention relates to variable optical transmission windows and window panels (VLTP) which are used for architectural applications such as building entryway systems and windows. The optical transmission of the VLTPs is reversibly changed by applying an electrical voltage. The emphasis is placed on doors which can be placed in the field without having certified technicians. The doors and windows having these VLTPs may also have other electronic devices which provide added user functionality.