Energy-saving aluminum alloy door and window

By incorporating annular airbags, multi-layer partitions, and filter ball assemblies within aluminum alloy doors and windows, the problem of poor heat insulation in traditional aluminum alloy doors and windows is solved, achieving high-efficiency energy saving and air purification, and improving the sealing and safety of doors and windows.

CN120990464AInactive Publication Date: 2025-11-21GUANGDONG SHENGTUO DOORS & WINDOWS CO LTD
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Patent Information

Application Number
CN202511175672.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-21
Publication Date
2025-11-21
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional aluminum alloy doors and windows have low air convection resistance between the glass panels, resulting in limited heat insulation and an inability to effectively prevent heat transfer, leading to increased energy consumption.

Method used

An annular airbag, multi-layer partitions, and filter ball assembly are installed inside the door and window frame. The pressure distribution is adjusted by the expansion of the airbag, which increases the air convection resistance, and the filter ball assembly is used to adsorb odors and impurities. At the same time, the air volume between the glass plates is adjusted by the air extraction pipe, and the sealing mechanism and support components are combined to improve the sealing performance and stability.

Benefits of technology

It significantly improves the thermal insulation performance of doors and windows, reduces heating and cooling energy consumption, provides a healthy indoor environment, and enhances sealing and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an energy-saving aluminum alloy door and window, and belongs to the technical field of door and window processing, the energy-saving aluminum alloy door and window comprises a frame, two glass plates are mounted in the frame, a packaging mechanism is mounted in the frame, the packaging mechanism comprises an annular air bag mounted in the frame, the top end of the annular air bag is communicated with an air inlet pipe, and multiple layers of partition plates are mounted in the frame; a plurality of partition plates are arranged in the frame, cavities used for increasing air convection resistance are formed among the partition plates, and a plurality of filter ball assemblies are arranged in the annular air bag. In the thermal insulation mechanism arranged in the frame, an air cavity communicates with the space between the two glass plates through a connecting groove and is matched with an exhaust pipe and a piston; the amount or composition of air between the air cavities and the glass plates can be adjusted according to different seasons and requirements, heating and refrigerating energy consumption is effectively reduced, meanwhile, the air convection resistance is increased through the cavities formed by the multiple layers of partition plates, the heat insulation performance is further improved, and the overall energy-saving effect of doors and windows is remarkably improved.
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Description

Technical Field

[0001] This invention relates to the field of door and window processing technology, and in particular to an energy-saving aluminum alloy door and window. Background Technology

[0002] In the construction industry, doors and windows, as an important component of buildings, not only fulfill basic functions such as lighting and ventilation, but their performance also has a crucial impact on the building's energy efficiency, sound insulation, sealing, and overall safety. With people's increasing demands for quality of life and the growing prominence of global energy issues, the development of high-performance energy-saving doors and windows has become an important direction for the construction industry.

[0003] Traditional aluminum alloy doors and windows are insufficient in terms of thermal insulation. Aluminum alloy itself has a high thermal conductivity, allowing heat to be quickly conducted through the window and door frames, leading to frequent heat exchange between the indoors and outdoors. In winter, a large amount of indoor heat is lost to the outdoors, increasing heating energy consumption; in summer, outdoor heat quickly enters the room, increasing the air conditioning cooling load. Although some traditional doors and windows use a double-glazed structure, the air convection resistance between the glass panes is low, resulting in limited insulation and an inability to effectively prevent heat transfer, making it difficult to meet the stringent energy-saving requirements of most modern buildings. Summary of the Invention

[0004] The purpose of this invention is to provide an energy-saving aluminum alloy door and window to solve the problem mentioned in the background art that the air convection resistance between glass panels is small, the heat insulation effect is limited, and the heat transfer cannot be effectively prevented.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an energy-saving aluminum alloy door and window, comprising a frame, two glass plates installed inside the frame, a sealing mechanism installed inside the frame, the sealing mechanism including an annular airbag installed inside the frame, an air inlet pipe connected to the top of the annular airbag, multiple partitions installed inside the frame, cavities for increasing air convection resistance provided between the partitions, multiple filter ball assemblies provided inside the annular airbag, each filter ball assembly including a filter shell rotatably installed inside the annular airbag, carbon balls for adsorbing odors and impurities being provided inside the filter shell, and multiple exhaust holes being provided on the outer surface of the filter shell.

[0006] As a preferred embodiment of the present invention, a rubber pressure plate is installed inside the frame, and a plurality of partitions are installed on the surface of the rubber pressure plate, with the plurality of partitions located on both sides of the annular airbag respectively.

[0007] As a preferred embodiment of the present invention, the inner wall of the filter housing is provided with a membrane for air permeability, the interior of the filter housing is equipped with a connecting frame for fixing carbon balls, and the interior of the annular air bladder is fixedly equipped with a guide ring for limiting the position of the filter housing, and the filter housing slides on the outer surface of the guide ring.

[0008] As a preferred embodiment of the present invention, the carbon spheres are composed of porous activated carbon fragments, and the interior of the carbon spheres contains a plurality of magnetic microspheres for adsorbing radioactive substances.

[0009] As a preferred embodiment of the present invention, the surface of the frame is provided with a support assembly, the support assembly includes a mounting top plate installed on the surface of the frame, the mounting top plate is assembled by combining two long plates, the double-layer glass plate is located on the surface of the long plates, the inner top wall and inner bottom wall of the two long plates that are close to each other are provided with gaskets, and a damping spring is installed between the two gaskets.

[0010] As a preferred embodiment of the present invention, the frame is assembled from two window panel frames, and a sealing mechanism is provided between the two window panel frames. The sealing mechanism includes a sealing ring installed inside the frame, and an oil cavity is opened inside the sealing ring. Multiple elastic supports for buffering deformation are installed inside the oil cavity, and rubber balls are installed at both ends of the elastic supports.

[0011] As a preferred embodiment of the present invention, an annular oil groove is provided between the two window panel frames, and an oil guide hole is installed between the annular oil groove and the oil cavity, and the interior of the oil cavity is filled with liquid lubricating oil.

[0012] As a preferred embodiment of the present invention, the frame is provided with a heat insulation mechanism, the heat insulation mechanism includes an air cavity opened inside the frame, the air cavity is connected to the space between the two glass plates through a connecting groove, an air extraction pipe is installed inside the air cavity, and a piston is provided on the outer surface of the air extraction pipe.

[0013] As a preferred embodiment of the present invention, a limiting mechanism is provided at the top of the frame. The limiting mechanism includes a mounting plate at the top of the frame, a slot is provided at the top of the frame, a protrusion is installed inside the slot, and a locking block is rotatably installed at both ends of the mounting plate. A first spring is installed between the locking block and the mounting plate, and the locking block cooperates with the protrusion to limit the movement. A paddle is installed through the top of the mounting plate near the locking block.

[0014] As a preferred embodiment of the present invention, the space between the two glass plates near the frame is filled with a polyurethane foam to reduce gaps in the frame, and the interior of the polyurethane foam is fitted with multiple layers of rigid mesh for stability.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This invention, through a heat insulation mechanism set within the frame, connects the air chamber to the space between two glass plates via a connecting groove. With the help of an air extraction pipe and a piston, the amount or composition of air in the air chamber and between the glass plates can be adjusted according to different seasons and needs. In winter, it can reduce the transfer of indoor heat to the outside, and in summer, it can prevent a large amount of outdoor heat from entering the room, effectively reducing heating and cooling energy consumption. At the same time, the cavity formed by the multi-layer partitions increases the air convection resistance, further improving the heat insulation performance and significantly enhancing the overall energy-saving effect of the doors and windows.

[0017] 2. This invention sets multiple filter ball components in an annular airbag. The carbon balls inside the filter shell are composed of porous activated carbon fragments and are equipped with magnetic microspheres that adsorb radioactive substances. When air passes through the exhaust holes on the filter shell, the carbon balls and magnetic microspheres can effectively adsorb odors, impurities and radioactive substances in the air, purifying the air entering the room and providing residents with a healthier and more comfortable indoor environment.

[0018] 3. The frame structure of this invention adopts a combination of two window panel frames. In the sealing mechanism set between them, the oil cavity inside the sealing ring is filled with liquid lubricating oil and is connected to the annular oil groove through the oil guide hole. The design of the elastic bracket and rubber ball can play a buffering role when the window panel frame undergoes slight deformation, ensuring that the sealing ring is always tightly fitted with the window panel frame, effectively preventing dust and moisture from entering the room. At the same time, the good sealing performance also reduces the convection of indoor and outdoor air, reduces the transmission of sound, and improves the sound insulation effect of doors and windows.

[0019] 4. The present invention provides stable support for the glass plate by setting an installation top plate at the top of the frame and using two long plates for combined installation. The sealing gaskets and damping springs set on the inner top and inner bottom walls of the long plates can effectively buffer the impact force of the outside on the glass plate and prevent the glass plate from breaking or deforming.

[0020] 5. This invention provides a limiting mechanism at the top of the frame. Through the cooperation of the locking block and the protrusion, as well as the action of the first spring, the two window panel frames are securely locked together, which can conveniently and quickly limit and fix the doors and windows, ensuring the stability and safety of the doors and windows during use. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the sealing ring structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the internal structure of the frame of the present invention;

[0024] Figure 4 This is a schematic diagram of the frame cross-section structure of the present invention;

[0025] Figure 5 This is a schematic diagram of the internal structure of the filter housing of the present invention;

[0026] Figure 6 This is a schematic diagram of the annular oil groove structure of the present invention;

[0027] Figure 7 This is a schematic diagram of the cross-sectional structure of the sealing ring of the present invention;

[0028] Figure 8 This is a schematic diagram of the cross-sectional structure of the mounting plate of the present invention.

[0029] In the diagram: 1. Frame; 2. Glass plate; 3. Encapsulation mechanism; 31. Air inlet pipe; 32. Annular airbag; 33. Rubber pressure plate; 34. Partition plate; 35. Filter ball assembly; 351. Filter housing; 352. Exhaust port; 353. Guide ring; 354. Membrane; 355. Carbon ball; 356. Connecting frame; 36. Cavity; 37. Support assembly; 371. Mounting top plate; 372. Sealing gasket; 373. Damping spring; 4. Sealing mechanism; 41. Sealing ring; 42. Annular oil groove; 43. Oil guide hole; 44. Elastic bracket; 45. Oil cavity; 5. Temperature insulation mechanism; 51. Air extraction pipe; 52. Air cavity; 53. Connecting groove; 6. Limiting mechanism; 61. Slot; 62. First spring; 63. Locking block; 64. Paddle; 65. Protrusion; 66. Mounting plate. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Please see Figure 1-8 This invention provides an energy-saving aluminum alloy door and window, including a frame 1, two glass plates 2 installed inside the frame 1, a sealing mechanism 3 installed inside the frame 1, the sealing mechanism 3 including an annular airbag 32 installed inside the frame 1, an air inlet pipe 31 connected to the top of the annular airbag 32, multiple partitions 34 installed inside the frame 1, cavities 36 for increasing air convection resistance are provided between the multiple partitions 34, multiple filter ball assemblies 35 are provided inside the annular airbag 32, the filter ball assembly 35 includes a filter shell 351 rotatably installed inside the annular airbag 32, carbon balls 355 for adsorbing odors and impurities are provided inside the filter shell 351, and multiple exhaust holes 352 are opened on the outer surface of the filter shell 351.

[0032] The encapsulation mechanism 3 is located inside the frame 1. The air inlet pipe 31 at the top of the annular airbag 32 allows gas to enter and exit. The expansion of the annular airbag 32 can apply pressure between the frame 1 and the glass plate 2. The annular airbag 32 can automatically adjust the pressure distribution with the deformation of the frame 1, eliminating local gaps caused by processing errors or installation stress. At the same time, the annular airbag 32 can absorb the impact vibration during the installation process, reducing the deformation rate of the door and window frame 1. When there is air flow, the air will pass through the annular airbag 32. The filter ball assembly 35 inside the annular airbag 32 filters the air. Meanwhile, the multi-layer partitions 34 and cavities 36 inside the frame 1 increase the air convection resistance, playing a certain role in heat insulation.

[0033] In some embodiments, a rubber pressure plate 33 is installed inside the frame 1, and multiple partitions 34 are installed on the surface of the rubber pressure plate 33, with the multiple partitions 34 located on both sides of the annular airbag 32.

[0034] Among them, the rubber pressure plate 33 has a certain elasticity, which can limit the partition 34. At the same time, when the door and window are subjected to external force or temperature change and undergo slight deformation, the rubber pressure plate 33 can buffer this deformation, ensure the relative position stability of the partition 34 and the annular airbag 32, enhance the stability and durability of the door and window structure, reduce the impact of the frame 1 deformation on the sealing mechanism 3, ensure that the sealing mechanism 3 can continuously and effectively perform air filtration and heat insulation functions, and extend the service life of the door and window.

[0035] In some embodiments, the inner wall of the filter housing 351 is provided with a membrane 354 for air permeability, the interior of the filter housing 351 is provided with a connecting frame 356 for fixing carbon balls 355, and the interior of the annular airbag 32 is fixedly provided with a guide ring 353 for limiting the position of the filter housing 351, and the filter housing 351 slides on the outer surface of the guide ring 353.

[0036] When air enters the annular airbag 32, it enters the interior of the filter housing 351 through the exhaust hole 352 on the outer surface of the filter housing 351, is filtered by the carbon balls 355, and is then discharged from the breathable membrane 354. At the same time, the sliding design of the filter housing 351 allows for more thorough contact between the air and the carbon balls 355. The carbon balls 355 are fixed inside the filter housing 351 by the connecting bracket 356. The guide ring 353 inside the annular airbag 32 limits the filter housing 351, allowing it to slide on the outer surface of the guide ring 353. This increases the contact area and contact time between the air and the carbon balls 355, improves the filtration efficiency, and more effectively adsorbs odors and impurities in the air, thus improving indoor air quality. The breathable membrane 354 on the inner wall of the filter housing 351 allows air to pass through while blocking some impurities.

[0037] In some embodiments, the carbon sphere 355 is composed of porous activated fragmented carbon, and the interior of the carbon sphere 355 is equipped with a plurality of magnetic microspheres for adsorbing radioactive substances.

[0038] The carbon ball 355 is composed of porous activated carbon fragments, which have a large specific surface area and can adsorb odor molecules and impurity particles in the air. Simultaneously, the magnetic microspheres installed inside the carbon ball 355 can adsorb radioactive substances in the air. When air passes through the filter housing 351, these harmful substances are adsorbed by the carbon ball 355 and the magnetic microspheres, thereby purifying the air and providing residents with a healthier and safer indoor environment.

[0039] In some embodiments, a support assembly 37 is provided on the surface of the frame 1. The support assembly 37 includes a mounting top plate 371 mounted on the surface of the frame 1. The mounting top plate 371 is assembled from two long plates. The double-layer glass plate 2 is located on the surface of the long plates. The inner top wall and inner bottom wall of the two long plates that are close to each other are provided with sealing gaskets 372. A damping spring 373 is installed between the two sealing gaskets 372.

[0040] Among them, the sealing gaskets 372 and the damping springs 373 installed on the inner top and bottom walls of the two long plates can absorb and buffer some of the energy when the door and window are subjected to external impact or vibration, reducing the vibration and displacement of the glass plate 2. The sealing gaskets 372 play the role of sealing and protecting the edge of the glass plate 2, providing reliable support and protection for the glass plate 2, effectively reducing the risk of the glass plate 2 breaking due to external force, improving the safety and stability of the door and window, and reducing the noise generated by the vibration of the glass plate 2.

[0041] In some embodiments, the frame 1 is assembled from two window panel frames, and a sealing mechanism 4 is provided between the two window panel frames. The sealing mechanism 4 includes a sealing ring 41 installed inside the frame 1. An oil cavity 45 is opened inside the sealing ring 41. Multiple elastic supports 44 for buffering deformation are installed inside the oil cavity 45. Rubber balls are installed at both ends of the elastic supports 44.

[0042] When the two window panel frames are assembled, the sealing ring 41 is compressed. The elastic bracket 44 and rubber ball inside the sealing ring 41 are deformed under pressure. The elasticity of the elastic bracket 44 makes the rubber ball fit tightly with the window panel frame, filling the gap between the window panel frames and playing a sealing role. This effectively prevents the convection of indoor and outdoor air, improves the heat insulation, heat insulation and sound insulation performance of the doors and windows, and reduces energy consumption.

[0043] In some embodiments, an annular oil groove 42 is provided between the two window panel frames, and an oil guide hole 43 is installed between the annular oil groove 42 and the oil cavity 45, and the interior of the oil cavity 45 is filled with liquid lubricating oil.

[0044] When the two window panel frames squeeze the sealing ring 41, the lubricating oil inside the sealing ring 41 is squeezed, which causes the liquid lubricating oil to flow through the oil guide hole 43 between the annular oil groove 42 and the oil cavity 45, lubricating the contact surface of the window panel frame and reducing frictional resistance. At the same time, the deformation of the elastic bracket 44 and the rubber ball will also promote the uniform distribution of lubricating oil, which helps to maintain the stability of the sealing performance.

[0045] In some embodiments, a heat insulation mechanism 5 is provided inside the frame 1. The heat insulation mechanism 5 includes an air cavity 52 opened inside the frame 1. The air cavity 52 is connected to the space between the two glass plates 2 through a connecting groove 53. An air extraction pipe 51 is installed inside the air cavity 52, and a piston is provided on the outer surface of the air extraction pipe 51.

[0046] The air extraction pipe 51 is connected to the air chamber 52 and has a piston on its outer surface. By using an external air pump to extract the air between the two glass plates 2, the amount or composition of air in the space between the air chamber 52 and the two glass plates 2 can be changed. In winter, some air can be extracted to reduce the heat transfer medium and play a heat preservation role. In summer, cold air can be injected to lower the indoor temperature. The heat insulation performance of doors and windows can be flexibly adjusted according to different seasons and needs, effectively reducing the exchange of heat between indoors and outdoors, reducing the frequency of use of air conditioning and heating, thereby achieving the purpose of energy saving and reducing energy consumption and operating costs.

[0047] In some embodiments, a limiting mechanism 6 is provided at the top of the frame 1. The limiting mechanism 6 includes a mounting plate 66 provided at the top of the frame 1. A slot 61 is provided at the top of the frame 1. A protrusion 65 is installed inside the slot 61. Both ends of the mounting plate 66 are rotatably mounted with a locking block 63. A first spring 62 is installed between the locking block 63 and the mounting plate 66. The locking block 63 cooperates with the protrusion 65 to limit the movement. A paddle 64 is installed through the top of the mounting plate 66 near the locking block 63.

[0048] Among them, the locking blocks 63, which are rotatably installed at both ends of the mounting plate 66, are kept in a certain position under the action of the first spring 62. When it is necessary to limit the movement, the locking blocks 63 are rotated to the position that cooperates with the protrusion 65, which improves the safety and stability of the door and window. The lever 64 is installed through the top of the mounting plate 66 near the locking block 63. By moving the lever 64, the rotation of the locking block 63 can be easily operated, and the whole disassembly and replacement can be realized.

[0049] In some embodiments, the space between the two glass plates 2 and the frame 1 is filled with polyurethane foam to reduce gaps in the frame 1, and the interior of the polyurethane foam is fitted with multiple layers of rigid mesh for stability.

[0050] Polyurethane foam is filled in the space between the two glass panels 2 and the frame 1. After filling, the polyurethane foam expands and solidifies, filling the gap between the frame 1 and the glass panel 2. This effectively reduces the gap between the frame 1 and the glass panel 2, improves the sealing performance of the doors and windows, and further enhances the heat insulation, thermal insulation and sound insulation effects. The multi-layer rigid mesh installed inside enhances the structural strength of the polyurethane foam, making it more stable and less prone to deformation or falling off, thus ensuring the long-term stability of the polyurethane foam.

[0051] Working principle: First, during the assembly of the door and window, the two window panel frames are fitted together to achieve the overall installation between the frame 1 and the glass panel 2. Then, an external air pump is used to inflate the annular airbag 32 through the air inlet pipe 31. The expansion of the annular airbag 32 applies pressure between the frame 1 and the glass panel 2. The annular airbag 32 can automatically adjust the pressure distribution according to the deformation of the frame 1, eliminating local gaps caused by processing errors or installation stress. At the same time, the annular airbag 32 can absorb the impact vibration during the installation process, reducing the deformation rate of the door and window frame 1. When there is airflow, the air passes through the annular airbag 32. The filter ball assembly 35 inside the annular airbag 32 filters the air. The multi-layer partitions 34 and cavities 36 inside the frame 1 increase the air convection resistance and play a certain role in heat insulation. At the same time, when the two window panel frames are assembled, they will compress the sealing ring 41. The elastic bracket 44 and rubber ball inside the sealing ring 41 are deformed under pressure, filling the gaps between the window panel frames and playing a sealing role. This further improves the heat insulation, sound insulation and heat insulation performance of the doors and windows, and reduces energy consumption.

[0052] The above are merely specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on the present invention to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of the present invention.

Claims

1. An energy-saving aluminum alloy door and window, comprising a frame (1), characterized in that: The frame (1) has two glass plates (2) installed inside. The frame (1) has a sealing mechanism (3) installed inside. The sealing mechanism (3) includes an annular airbag (32) installed inside the frame (1). An air inlet pipe (31) is connected to the top of the annular airbag (32). The frame (1) has multiple partitions (34) installed inside. A cavity (36) for increasing air convection resistance is provided between the multiple partitions (34). The annular airbag (32) has multiple filter ball assemblies (35) installed inside. The filter ball assembly (35) includes a filter shell (351) rotatably installed inside the annular airbag (32). The filter shell (351) has carbon balls (355) for adsorbing odors and impurities inside. The outer surface of the filter shell (351) has multiple exhaust holes (352).

2. The energy-saving aluminum alloy door and window according to claim 1, characterized in that: A rubber pressure plate (33) is installed inside the frame (1), and multiple partitions (34) are installed on the surface of the rubber pressure plate (33). The multiple partitions (34) are located on both sides of the annular airbag (32).

3. The energy-saving aluminum alloy door and window according to claim 1, characterized in that: The inner wall of the filter housing (351) is provided with a membrane (354) for air permeability. A connecting frame (356) for fixing carbon balls (355) is installed inside the filter housing (351). A guide ring (353) for limiting the filter housing (351) is fixedly installed inside the annular airbag (32). The filter housing (351) slides on the outer surface of the guide ring (353).

4. The energy-saving aluminum alloy door and window according to claim 3, characterized in that: The carbon sphere (355) is composed of porous activated carbon fragments, and the interior of the carbon sphere (355) contains multiple magnetic microspheres for adsorbing radioactive substances.

5. An energy-saving aluminum alloy door and window according to claim 1, characterized in that: The surface of the frame (1) is provided with a support assembly (37), the support assembly (37) includes a mounting top plate (371) installed on the surface of the frame (1), the mounting top plate (371) is installed by combining two long plates, the double-layer glass plate (2) is located on the surface of the long plate, the inner top wall and inner bottom wall of the two long plates that are close to each other are provided with gaskets (372), and a damping spring (373) is installed between the two gaskets (372).

6. The energy-saving aluminum alloy door and window according to claim 1, characterized in that: The frame (1) is assembled from two window panel frames. A sealing mechanism (4) is provided between the two window panel frames. The sealing mechanism (4) includes a sealing ring (41) installed inside the frame (1). An oil cavity (45) is opened inside the sealing ring (41). Multiple elastic supports (44) for buffering deformation are installed inside the oil cavity (45). Rubber balls are installed at both ends of the elastic supports (44).

7. An energy-saving aluminum alloy door and window according to claim 6, characterized in that: An annular oil groove (42) is provided between the two window panel frames. An oil guide hole (43) is installed between the annular oil groove (42) and the oil cavity (45), and the interior of the oil cavity (45) is filled with liquid lubricating oil.

8. An energy-saving aluminum alloy door and window according to claim 1, characterized in that: The frame (1) is provided with a heat insulation mechanism (5), which includes an air cavity (52) opened inside the frame (1). The air cavity (52) is connected to the space between the two glass plates (2) through a connecting groove (53). An air extraction pipe (51) is installed inside the air cavity (52), and a piston is provided on the outer surface of the air extraction pipe (51).

9. An energy-saving aluminum alloy door and window according to claim 1, characterized in that: The top of the frame (1) is provided with a limiting mechanism (6). The limiting mechanism (6) includes a mounting plate (66) set at the top of the frame (1). The top of the frame (1) is provided with a slot (61). A protrusion (65) is installed inside the slot (61). Both ends of the mounting plate (66) are rotatably mounted with a locking block (63). A first spring (62) is installed between the locking block (63) and the mounting plate (66). The locking block (63) cooperates with the protrusion (65) for limiting. A paddle (64) is installed through the top of the mounting plate (66) near the locking block (63).

10. An energy-saving aluminum alloy door and window according to claim 1, characterized in that: The space between the two glass plates (2) and the frame (1) is filled with polyurethane foam to reduce gaps in the frame (1), and the interior of the polyurethane foam is fitted with multiple layers of rigid mesh for stability.