742results about "Fireproof doors" patented technology

Disclosed in the present invention are a sunshade system with independently adjustable thermal insulation and shading performance and a control method therefor. The sunshade system with independently adjustable thermal insulation and shading performance mainly consists of a glazing system, a window frame, a sunshade mechanism, and a monitoring mechanism. A solar radiation sensor and an outdoor air temperature sensor in the monitoring mechanism are used to collect outdoor solar radiation data and air temperature data in real time, and the data is transmitted to a central processing unit; and on the basis of a sun-shading area ratio prediction model and according to measured values from the solar radiation sensor and the temperature sensor, the central processing unit extracts geometric parameters of an external window to determine the unfolding degree of a roll film. The present disclosure guarantees year-round thermal environment and day lighting effect in the interior of a building, and reduces the air conditioning and heating energy consumption of the building.

The present utility model relates to the field of roll-on / roll-off apparatuses. Disclosed is an airtight door for a passage apparatus of a roll-on / roll-off ship, the airtight door comprising an inclined ramp, a door body and a horizontal passage, wherein the door body is arranged between the inclined ramp and the horizontal passage; the door body is hinged to the horizontal passage by means of a hinge having an oblong hole; a sealing assembly is provided on the door body; a door frame is provided on the horizontal passage; the door body and the door frame are arranged to fit each other, and the door body and the door frame are both obliquely arranged; a push-pull device is mounted in the horizontal passage; a slider is connected to one end of the push-pull device; and a support connecting rod is hinged to the slider, and the support connecting rod is hinged to the door body. The airtight door for a passage apparatus of a roll-on / roll-off ship provided in the present utility model can make full use of the door's own weight to perform compression sealing, has strong airtightness and a good sealing effect, is safe, stable and reliable, has a simple structure, and is easy to maintain; besides this, the airtight door achieves a design without a door sill raised from the ground, does not hinder the passage of vehicles or the transport of goods, and has strong applicability.

When the upper part of the door body 1 is subjected to the heat of a fire and warps and deforms in a direction that separates it from the door frame 3, the leak of flames and smoke through the resulting gap is prevented, thereby improving fire resistance. [Solution] An upper recessed groove 4c is provided in the upper horizontal frame member 4 of the door frame 3 facing the door body 1. An upper sealing member 9, a spring 12, and a heat-deformable member 11 are provided in the upper recessed groove 4c. When the heat of a fire is applied, the heat-deformable member expands and deforms, causing the upper sealing member 9 to come into contact with the interior side panel 1e of the door body, which has warped due to the heat deformation.

This invention discloses a folding swing fire door, including a door frame. An installation groove is formed on the top inner side of the door frame, and an automatic pushing structure for automatic closing in case of fire is provided within the installation groove. Guide rail grooves are formed on both sides of the installation groove, and several sliding casters are installed within the guide rail grooves. This folding swing fire door combines the space-saving and flexible opening and closing characteristics of traditional folding doors. In the event of a fire, the generated high temperature is transferred to the automatic pushing structure through the main heat strip, triggering it to push the door open. With the cooperation of the sliding casters and guide rail grooves, the folding door is automatically pushed and closed to isolate the fire from the door frame, eliminating the need for manual risk-taking to close it.

The utility model discloses a kind of heat and sound insulation broken bridge aluminium windows, including window frame body, two layers of protective glass are installed in the window frame body inside, fixed plate is installed in the both sides of window frame body, the outer side of window frame body is equipped with multiple longitudinal distribution's sunshading board, lifting plate is installed in the inside of fixed plate, adjusting frame is installed on the fixed plate.The beneficial effects of the utility model are that by installing sunshading board outside protective glass, sunlight can be shielded, and heat insulation can be carried out, sunlight can pass through the gap between sunshading board and irradiate to indoor according to the principle of diffuse reflection, provide light for indoor under the condition of avoiding direct sunlight, according to the different angle of sunlight irradiation to window in different seasons, the position of lifting plate is adjusted and the angle of sunshading board is changed by adjusting frame, effective heat insulation can be carried out and indoor brightness is guaranteed, and use is more convenient.

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.

This utility model provides a fire door with ventilation function, including a door leaf, a door frame, and a ground layer. The door frame stands on the ground layer, and the door leaf is embedded in the door frame and connected to the door frame by hinges. The lower half of the door leaf is embedded with a fire-resistant device, which includes a ventilation blade frame, ventilation blades, fire-resistant blade shafts, fire-resistant blades, a temperature sensor, and a transmission mechanism. Fire-resistant blades are arranged within the ventilation blade frame by several equidistantly spaced fire-resistant blade shafts. The temperature sensor and transmission mechanism are located on one side of the ventilation blade frame. The temperature sensor is communicatively connected to the transmission mechanism, which drives several fire-resistant blade shafts to rotate synchronously, thereby opening and closing the fire-resistant blades to achieve rapid switching between normal ventilation and fire isolation functions. This utility model aims to solve the problems of poor ventilation performance, easily damaged ventilation devices, and poor fire resistance and sealing of traditional fire doors, thereby optimizing ventilation performance, improving the durability of ventilation devices, and enhancing fire resistance.

The utility model relates to a fire and explosion integrated protection door belongs to the protection door field, for solving the crystallization that has not cleaned will be extruded between the door panel and the door frame sealing strip, not only will accelerate the aging, damage of sealing strip, reduce its service life, will also lead to the sealing is not strict, cannot effectively block the smoke and fire, high temperature and explosion shock wave, and then causes the fire spread, secondary explosion etc. accidental injury, seriously influence the fire and explosion core performance of protection door, can not satisfy the safety protection demand of the area of ship, a fire and explosion integrated protection door, including protection door main part, the door frame of rotation connection in the outside of protection door main part, through spring energy storage release drive rotary lever rotation, drive the scraper along the sealing strip inside profile fit rotation, thereby in the protection door closing process automatically removes the sea salt crystallization that adheres on the sealing strip, avoids the omission problem of artificial periodic cleaning, guarantees the air tightness and fireproof sealing performance of protection door.

The application discloses a composite passive window and a mounting method thereof, which comprises a first frame, a third frame, a second spacing strip, a third spacing strip, second heat insulation filling cotton, a second frame, a fourth frame, a first spacing strip, a fourth spacing strip, first heat insulation filling cotton, a first sealing element, a second sealing element, a fifth frame, glass, an outer frame assembly, heat insulation filling, a fixing assembly, a limiting assembly and a third sealing element. The composite passive window has excellent heat insulation performance, simple overall structure and is easy to assemble and use. The heat insulation filling is filled in the outer frame assembly to block the heat transfer between the indoor and outdoor, and two heat preservation lines are formed in the cross section in a non-exposed mode through the fifth frame, so that the heat insulation performance of the aluminum alloy window is improved without changing the width of the middle spacing strip of the broken bridge aluminum alloy profile, and the durability and stability of the whole window under the new structure system are ensured.

The utility model discloses a high-precision non-dismantling self-heat-preservation mould frame device and a window opening structure comprising the high-precision non-dismantling self-heat-preservation mould frame device, the high-precision non-dismantling self-heat-preservation mould frame device comprises a plurality of mould frame section bar pieces, and the mould frame section bar pieces abut against one another end to end to be assembled into a frame structure so that the frame structure can be used for installing a main frame. The mold frame profile piece comprises a heat preservation layer, an auxiliary frame and a profile plate, the heat preservation layer is connected to one side or two sides of the auxiliary frame, and the profile plate is connected to the heat preservation layer and one end, back to the main frame, of the auxiliary frame and / or the side face of the auxiliary frame and used for being connected with a cast-in-place concrete wall. The window opening size precision control effect is effectively improved, the water seepage probability of the window frame is reduced, the heat preservation and heat insulation effects are achieved through the heat preservation layer, and the energy-saving effect of the high-precision disassembly-free self-heat-preservation mold frame device is further improved. Meanwhile, the overall structural strength is improved, the requirements for bearing and reliable connection of the main frame are effectively met, and the installation precision is further improved.

The invention discloses a cold-bridge-free steel-plastic window, and relates to a novel steel-plastic combined energy-saving window. The novel steel-plastic combined energy-saving window has the advantages of heat insulation, sound insulation, aging resistance, thermal change prevention, comprehensive improvement of safety and fire protection performance, high overall strength and long service life. The product comprises a plastic window body, a thermal insulation cover body is connected with the plastic window body to form a window main body, the thermal insulation cover body is fixed on the outer side of the plastic window body, a thermal insulation cavity is arranged between the thermal insulation cover body and the plastic window body, and a thermal insulation layer is arranged in the thermal insulation cavity. The product is used for replacing a traditional plastic steel window.

The invention belongs to the technical field of doors and windows, and particularly relates to a high-strength fireproof and bulletproof window structure which comprises a frame, inner-layer glass and outer-layer glass, and the inner-layer glass and the outer-layer glass are mounted in the frame. The frame body comprises a bottom plate, a top plate and two side plates, and a plurality of supporting pieces are fixedly connected to the side plates; a plurality of transparent fireproof plates are connected in the frame body, the fireproof plates are connected with the supporting pieces, the fireproof plates are vertically distributed in the height direction of the frame body, and the fireproof plates are arranged between the inner-layer glass and the outer-layer glass; the inner wall of the frame body is provided with a groove for mounting the inner-layer glass, and the side of the frame body is provided with a notch for mounting the outer-layer glass; the side plates are fixedly connected with fixing assemblies used for fixing the outer layer glass. According to the bulletproof window, the inner-layer glass, the outer-layer glass and the fireproof plate are arranged, the good bulletproof and fireproof effects are achieved through three-layer protection, the strength is high, and compared with existing thickened bulletproof glass, the outer-layer glass is low in replacement cost after being broken and convenient to replace.

The utility model discloses a steel-wood passive type low-energy-consumption fireproof door, and relates to the field of steel-wood fireproof doors. A door body of a traditional steel-wood fireproof door is mostly of an integrally-formed steel structure, steel is high in heat conductivity, heat is easily conducted through the door body, and a large amount of energy in a building is lost. The thermal insulation door comprises a steel frame and a door leaf, clamping edges are arranged on the periphery of the door leaf, the steel frame comprises a rear frame and a front frame, thermal insulation partition materials are arranged between adjacent positions of the rear frame and the front frame, the clamping edges comprise a rear clamping edge and a front clamping edge, and thermal insulation partition materials are arranged between adjacent positions of the rear clamping edge and the front clamping edge. A waterproof breathable film is arranged on the outer side of the heat preservation layer, and a heat insulation base plate and a waterproof vapor-proof film are arranged on the inner side of the steel frame and adjacent wall surfaces. The heat insulation partition materials are arranged between the steel frame and the clamping edges, a heat insulation bridge structure is formed, the heat conduction path through the steel frame and the clamping edges is cut off, the heat insulation capacity of the steel-wood fireproof door is improved, indoor and outdoor heat exchange is reduced, the indoor temperature can be kept stable, and building energy consumption is reduced.

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 relates to the technical field of fire-resistant windows, in particular to a novel fire-resistant window which comprises a fire-resistant window frame, a fire-resistant window sash is arranged in the fire-resistant window frame, fire-resistant glass is arranged in the fire-resistant window sash, and a fire-resistant edge strip is arranged at the joint of the fire-resistant glass and the fire-resistant window sash. A hollow-square-shaped cavity is formed in the fireproof window frame, a multi-reinforcing flame-retardant structure is arranged in the cavity, and the multi-reinforcing flame-retardant structure is used for enhancing the strength of the fireproof window frame and is filled with flame-retardant materials. Through the composite structural design of the reinforcing plates and the reinforcing ribs, high-temperature thermal stress can be effectively dispersed, the window frame is prevented from being distorted and deformed due to thermal expansion, and the window frame is particularly suitable for mechanical challenges of high-rise buildings in strong wind pressure environments; the window frame made of the galvanized cold-rolled steel sheet has both strength and corrosion resistance, and the design of the hollow-square-shaped cavity is matched, so that the overall bending resistance is improved, and the fire endurance is prolonged.

The utility model discloses a heat-insulation expansion high-temperature-resistant fireproof door frame which comprises a door frame body, polyurethane heat-insulation strips, right-angle fixing pieces and arc-shaped heat conduction strips, the door frame body is composed of a first frame and a second frame, and a first heat-insulation filling strip, a second heat-insulation filling strip and a third heat-insulation filling strip are arranged in the first frame and the second frame. The right-angle fixing pieces are welded to the first frame and the second frame, and the arc-shaped heat conduction strips are fixedly connected to the surface of the first frame. The width of the first frame is larger than that of the second frame, the second frame serves as a fire receiving face of the door frame, heat absorbed by the door frame can be reduced, heat conducted by the second frame is dissipated through the first frame and the aluminum strips, the heat dissipation capacity of the door frame is improved, and the heat insulation capacity is good. The first heat-insulation filling strip, the second heat-insulation filling strip and the third heat-insulation filling strip are separated by the polyurethane heat-insulation strips, so that a plurality of heat-insulation barriers can be formed, heat conduction is blocked, and the temperature of the door frame is reduced.

This utility model discloses a fireproof rolling shutter door motor, including a door frame. A transmission housing is fixedly provided on the upper end face of the door frame and on one side. A rotating shaft is rotatably provided on the inner wall of the transmission housing and at the bottom. An adjustment hole is opened on the upper end of the rotating shaft and on the inner wall of the transmission housing. A sliding groove is opened on the outer wall of the transmission housing. A sliding block is slidably provided inside the sliding groove. A motor is provided on the outer wall of the sliding block. The output end of the motor is located inside the adjustment hole. Synchronous pulleys are provided on both the output end of the motor and the rotating shaft. Synchronous belts are provided on the two synchronous pulleys. A threaded post is fixedly provided on the upper end face of the sliding block. Thus, the user can adjust the installation height of the sliding block and the motor by rotating the adjusting nut, which facilitates the adjustment of the distance between the two synchronous pulleys according to the length of the synchronous belt and prevents slippage.

The invention discloses a bidirectional escape fire resisting shutter for mine fire fighting, and relates to the technical field of fire resisting shutters. The front side and the rear side of the middle frame are each provided with a roller shutter partition mechanism and a channel mechanism, the front roller shutter partition mechanism and the rear roller shutter partition mechanism and the two channel mechanisms are arranged in a central symmetry mode, the center position of the middle frame is a transfer buffer area, and two one-way door opening mechanical lock mechanisms are arranged in the transfer buffer area in a central symmetry mode. The roller shutter partition mechanism and the channel mechanism are symmetrically arranged on the front side and the rear side of the middle frame and matched with the transfer buffer area in the center of the middle frame to form a two-way fireproof escape channel, the mine underground multi-direction operation scene characteristic is adapted, the escape limitation of a traditional one-way fireproof roller shutter is broken through, and the escape requirements of operators in the areas on the two sides can be met at the same time; when the channel door on one side is opened for people to escape, the mechanical lock mechanism can automatically lock the channel door on the other side, so that the inward-opening door frame cannot be opened, and cross spreading of fire and smoke caused by intercommunication of channels on the two sides is structurally avoided.

The utility model discloses sound insulation tempered glass which comprises a supporting frame, a sliding groove is formed in one side of the supporting frame, a sealing frame is connected into the sliding groove in a sliding mode, two tempered glass bodies are fixedly connected into the sealing frame, a rack is fixedly connected to the bottom of the sealing frame, and a motor is fixedly connected to one side of the supporting frame. An output shaft of the motor extends into the sliding groove and is fixedly connected with a gear, and the gear is connected with the rack in an engaged mode. The utility model has the beneficial effects that the glass with good sealing can effectively isolate indoor and outdoor heat exchange, reduce the use frequency of an air conditioner and heating equipment and reduce the energy consumption and cost, and the continuous sealing can effectively isolate external noise and provide a quiet environment for the indoor space, which is particularly important in busy traffic or noisy areas. Compared with a traditional device, the operation quality and the use efficiency are greatly improved.

The fireproof invisible door mounting structure comprises a fireproof door leaf, a fireproof door frame and a wall body, the fireproof door frame is arranged outside the wall body, the fireproof door frame and the wall body are connected through a first connecting assembly and a second connecting assembly, and the fireproof door leaf comprises an aluminum alloy profile fixing frame coated with an aluminum honeycomb veneer; first edge sealing frames are arranged on the left side, the right side and the upper side of the aluminum alloy profile fixing frame, a second edge sealing frame is arranged on the lower side of the aluminum alloy profile fixing frame, one end of the second connecting assembly is connected with a wall, and the other end of the second connecting assembly extends out of the fireproof door frame while being connected with the fireproof door frame and is connected with the first edge sealing frames through sealing strips. A door hinge is further arranged between the first edge sealing frame on one of the left side and the right side of the aluminum alloy profile fixing frame and the second connecting assembly so that the fireproof door leaf can be movably connected with the fireproof door frame. By means of the installation structure, the door leaf can be hidden, and meanwhile the excellent fire-resistant integrity, heat insulation and sound insulation effects are provided.

The utility model relates to the technical field of fireproof doors, in particular to a bidirectional split steel fireproof door which comprises a vertical frame used for fixing the fireproof door. A transverse frame is fixedly arranged on one side of the vertical frame and used for fixing the fireproof door, and a transverse baffle opening is fixedly formed in the bottom of the transverse frame. According to the utility model, the third fireproof expansion sealing element is adhered to the section difference position of the split seam covering plate, so that the sealing performance of the center seam position can be ensured, and the fireproof stability of the center seam position is improved; the gap position, namely the center joint position of the first door leaf and the second door leaf, is a dangerous point, the split gap covering plate covers the center joint position after the first door leaf and the second door leaf are closed, the upper edge of the split gap covering plate is just located at the gap position of the two crosspiece openings, and the safety of the dangerous point can be effectively guaranteed by adding a third fireproof expansion sealing piece on the upper edge.

The invention provides a heat insulation window sash, and relates to the technical field of building energy conservation under the environment-friendly technology. Comprising a first-stage heat insulation mechanism, a second-stage heat insulation mechanism and a window frame, and the first-stage heat insulation mechanism and the second-stage heat insulation mechanism are installed on the window frame; the first-stage heat insulation mechanism comprises heat dissipation glass and heat insulation glass, a heat insulation space is defined by the heat dissipation glass, the heat insulation glass and the window frame, and the heat insulation space is used for installing the second-stage heat insulation mechanism; the secondary heat insulation mechanism comprises a guide assembly, a plurality of rotating assemblies, a plurality of heat reflecting assemblies and a plurality of guide rods; the guide assembly comprises two guide frames, the two guide frames are vertically arranged in the heat insulation space in a spaced mode, the two ends of each guide frame are fixedly connected with the window frame, and the multiple rotating assemblies are evenly and movably arranged on the two guide frames correspondingly and correspond to each other; according to the invention, through cooperation of the heat reflecting assembly and the rotating assembly, the reflection angle of the heat reflecting assembly always corresponds to the irradiation angle of sunlight, and a heat insulation effect can be achieved under the condition that communication signals are kept unobstructed.

The utility model discloses an anti-radiation fireproof door, and particularly relates to the technical field of fireproof doors, the anti-radiation fireproof door comprises a door frame, the inner wall of the door frame is rotatably connected with a door frame, the front side of the door frame is fixedly connected with a handle, a dismounting assembly is arranged in the door frame, an anti-collision assembly is arranged in the door frame, and the dismounting assembly comprises two worms; the two worms are arranged up and down with the center of the door frame as the symmetry point, and the outer surfaces of the left sides and the right sides of the worms are rotationally connected with the inner wall of the door frame. According to the anti-radiation fireproof door, by arranging the dismounting assembly, specifically, the mounting plate is taken down firstly, two rotating blocks are rotated anticlockwise to drive two worms to rotate in the inner wall of the door frame, when the worms rotate anticlockwise, a limiting plate can be driven to move, and when limitation on a lead plate can be relieved, the lead plate can be directly taken down to be replaced; the whole door body does not need to be replaced, the maintenance cost of the device is reduced, and waste of steel, flame-retardant materials and other resources cannot be caused due to the fact that the lead plate can be detached independently.

The utility model discloses a steel double-opening purification door structure which comprises two door plates which are symmetrically arranged, and each door plate comprises a core plate, two metal panels and two plastic steel stand columns. The core plate is clamped between the two metal panels; the two plastic steel stand columns are located between the two metal panels, the two pieces of plastic steel are located on the two sides of the core plate respectively, the ends of the metal panels are perpendicularly bent to form covered edges, the covered edges are attached to the outer sides of the plastic steel stand columns, and the covered edges are fixedly connected with the plastic steel stand columns through fasteners. The steel double-opening purification door structure is reasonable in structure, the outer side metal panel and the inner side metal panel of the door plate are fixedly connected through the plastic steel stand columns, a broken cold bridge structure can be formed, heat conduction can be effectively blocked, the heat insulation and heat preservation effect is achieved, and energy saving is facilitated.

The present invention relates to a shielding element preform (1) comprising at least two chamber element preforms (2), wherein each chamber element preform (2) comprises a first wall (3) and a second wall (4) made of a sheet of metal and arranged with respect to each other with a gap retained between them, wherein the edges of each of the walls (3, 4) are sealed with an edge seal (6a), wherein a valve (5) is arranged on at least one of the walls (3, 4) of the first chamber element preform (2) or the second chamber element preform, wherein at least one wall (3, 4) of each chamber element preform (2) is provided with at least one communication opening (7), wherein the chamber element preforms (2) are arranged relative to each other with the corresponding walls (3, 4) in such a manner that the chamber element preforms (2) are connected to each other with the circumferential edges of the corresponding communication openings (7), by means of a circumferential seal (6b), for defining a pressure-tight hermetic inner space (8) of the shielding element preform (1) comprising the inner space of at least the first chamber element preform (2) and the second chamber element preform (2). The present invention also relates to a shielding element preform manufacturing method, and a shielding element manufacturing method.

The utility model discloses a kind of fireproof glass curtain wall units with self-closing structure, it includes frame, fireproof glass and closing mechanism.Closing mechanism is equipped with slide rail, sliding block, elastic member and trigger device, sliding block is driven by elastic member and is fixed by trigger device, trigger device releases sliding block at high temperature, so that sealing strip is closely attached to fireproof glass edge.It also includes cushion pad, guide rod, limiting plate and auxiliary support frame and the like optimization component.This application can realize automatic closure when fire, form reliable fireproof barrier, avoid fire spread, improve safety;Sealing strip multilayer composite structure and cushion pad design have fire resistance and heat insulation performance simultaneously, protect glass and prolong service life, overall practicality is strong and high reliability.

The utility model discloses a kind of wind pressure resistance reinforcing structure of broken bridge aluminum door and window, belong to aluminum door and window reinforcing technical field, the inside of first frame body is equipped with protruding frame, the corner of protruding frame is equipped with first limit strip, first limit groove for clamping is formed between multiple first limit strips, the middle section of protruding frame is equipped with abutting arc part, and inner groove is formed in the inside of abutting arc part;The inside of second frame body is equipped with inner boss, and the corner of inner boss is equipped with second limit strip. By first, second limit groove clamping cooperation, and the reinforcing rib structure of oblique support strip, insertion strip and abutting strip composition, improve broken bridge aluminum door and window wind pressure resistance performance, make it keep stable under severe weather. First, second frame body and its related components integrated design, reinforcing structural stability, reduce security risk. Abutting arc part and opening cover and other components design, stable structure, ensure that door and window long-term stable durable, prolong service life.

The utility model relates to a kind of broken bridge aluminum alloy casement door and window with double-layer heat insulation strip, belong to casement door and window technical field, including installation outer frame, the inside hinged of installation outer frame is equipped with the door and window frame of two quantity, the inner side wall of installation outer frame is fixedly installed with four quantity outer frame partition strip, wherein two between the outer frame partition strip Fixedly installed with first heat insulation strip, another two between the outer frame partition strip Fixedly installed with second heat insulation strip.The broken bridge aluminum alloy casement door and window with double-layer heat insulation strip, by setting first heat insulation strip and second heat insulation strip in the inside of installation outer frame increase the heat insulation effect of casement door and window, simultaneously, folding sealing strip is set on the side of installation outer frame, when door and window frame is closed, folding sealing strip is pressed in gap, increase the sealing performance of casement door and window, increase the heat preservation effect of indoor, reduce the power consumption of air conditioner or other refrigeration or heating.