Aluminum alloy system door and window

By using water supply in the building in the doors and windows of the aluminum alloy system for cleaning, and designing water tanks and water collection tanks to recover sewage, the damage and pollution problems of doors and windows caused by rainwater cleaning in the existing technology are solved, and the safety of doors and windows cleaning is achieved. Environmental protection.

CN119055122BActive Publication Date: 2025-02-07JIANGSU QINGZHOU DECORATION ENG CO LTD
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Patent Information

Application Number
CN202411572464.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-02-07
Estimated Expiration
2044-11-06

AI Technical Summary

Technical Problem

The existing aluminum alloy doors and windows with self-cleaning function are prone to damage to doors and windows when cleaning with rainwater, and cannot be recycled after the rainwater is cleaned, which pollutes the environment. At the same time, the water storage tank is prone to break under low temperature conditions.

Method used

Aluminum alloy system doors and windows were designed to clean the water supply in the building. Through the design of the water tank and the water collection tank, the recycling and discharge of clean sewage is achieved, avoiding the damage caused by rainwater cleaning, and through scrapers and tube cloth design to ensure cleaning and maintenance of the cleaning roller.

Benefits of technology

The doors and windows are cleaned without damage, and the sewage is recycled and discharged in a timely manner, avoiding corrosion and pollution problems caused by rainwater cleaning. Through the design of the cleaning roller, the cleaning effect and the life of the equipment are maintained.

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Abstract

The present invention relates to the technical field of doors and windows, and in particular to an aluminum alloy system door and window, comprising a window frame, a left window sash, a right window sash, and a closed sash. A cleaning component and a lifting component are arranged on the outer side of the window frame. The cleaning component comprises a rotatably arranged cleaning roller. A water distribution tank is arranged on the top of the closed sash. A water distribution plate is arranged at the bottom of the water distribution tank. A plurality of water distribution holes are arranged on the water distribution plate. The water distribution tank is connected to a water inlet pipe. A water collecting tank is arranged at the bottom of the closed sash. The water collecting tank is open upward and connected to a drain pipe. A scraper is arranged along the length direction of the inner wall of the water collecting tank close to the closed sash, and the edge of the scraper is wavy. The present invention has the following beneficial effects: the present invention does not need to use rainwater, but uses water supply in a building. The water source is clean, and the damage caused by using rainwater is avoided; the water supply of the present invention does not need a water storage tank, and the problem of freezing and cracking of the water storage tank at low temperature is avoided; the clean sewage of the present invention can be discharged through a drain pipe immediately, and the problem of sewage falling directly is avoided.
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Description

Technical Field

[0001] The invention relates to the technical field of doors and windows, and in particular to an aluminum alloy system door and window. Background Art

[0002] Aluminum alloy doors and windows refer to doors and windows made of aluminum alloy extruded profiles as frames, stiles, and sashes. With the development of the times and the advancement of science and technology, people's functional requirements for doors and windows are becoming increasingly diversified. For example, the Chinese patent with application number "CN202322352186.4" discloses a self-cleaning fireproof window, including a cleaning component, a water storage component, a water storage tank, and a fireproof window body. The cleaning component is arranged on the outside of the fireproof window body. After the rainwater sensor senses the rainwater, it will control the cylinder to work, drive the support plate to slide, thereby driving all the connecting rods to rotate, and with the cooperation of the rotating shaft, drive all the blades to rotate at the same time, so that the water storage tank presents an open form, and the rainwater can flow smoothly into the inside of the water storage tank, so as to collect the rainwater. When the water is full or the rain stops, the cylinder works in the reverse direction, so that all the blades are reversed at the same time, so that the water storage tank presents a closed form, which can save the water inside the water storage tank to prevent too much dust from falling into the inside of the water storage tank outdoors, and then cooperate with the cleaning component to clean the fireproof window body, which is convenient and fast, and does not require manual cleaning.

[0003] The applicant has found through research that this type of window with a self-cleaning function has the following problems that cannot be ignored:

[0004] 1. Using collected rainwater to clean windows will damage them. First, rainwater contains acidic substances. Long-term use of rainwater for cleaning will corrode and damage the rubber strips of doors and windows. In addition, rainwater will carry sand and gravel and other high-hardness particles when flowing along the wall to the water tank. When cleaning, the impurities stick to the cleaning components and rub against the glass, causing scratches on the glass.

[0005] 2. There is no water collection component. The rainwater used to clean the windows will automatically fall after use. Whether it falls on the ground, on pedestrians, on clothes drying downstairs, or on windows downstairs, it is an uncivilized behavior and will harm the interests of others.

[0006] 3. The outside of the window is easily contaminated with dust. The cleaning components become dirty after a period of use and cannot be replaced, which reduces the cleaning effect and may even cause damage to the window;

[0007] 4. Use water tanks to collect rainwater. When not cleaned, rainwater is stored in the water tanks. In cold seasons, the low temperature causes the water to freeze and expand, which may cause the water tank to rupture. Summary of the invention

[0008] The purpose of the present invention is to provide an aluminum alloy system door and window, which can clean the door and window without damaging the door and window and can recycle sewage in time.

[0009] The above technical objectives of the present invention are achieved through the following technical solutions: an aluminum alloy system door and window, including a window frame, a left window sash, a right window sash, and a closed sash. A cleaning assembly and a lifting assembly are arranged on the outside of the window frame. The cleaning assembly includes a rotatable cleaning roller. A water distribution tank is arranged on the top of the closed sash. A water distribution plate is provided at the bottom of the water distribution tank. A plurality of water distribution holes are provided on the water distribution plate. The water distribution tank is connected to a water inlet pipe. A water collecting tank is arranged at the bottom of the closed sash. The water collecting tank is open upward and is connected to a drain pipe. A scraper is arranged on the inner wall of the water collecting tank near the closed sash along its length direction, and the edge of the scraper is wavy.

[0010] Preferably, the lifting assembly includes two lifting screws vertically arranged on both sides of the closed fan, each lifting screw is connected to a lifting motor, and the two lifting screws are connected to a lifting plate, which is horizontally arranged and has its two ends respectively threadedly connected to the lifting screws.

[0011] Preferably, the cleaning component also includes a cleaning motor, which is connected to gear one. The cleaning roller includes a rotating shaft, on which a tube cloth is sleeved, on which bristles are provided. The rotating shaft is connected to gear two which meshes with gear one. Brackets are also provided at both ends of the lifting plate, and both ends of the rotating shaft are rotatably connected to the brackets. Gear two is rotatably connected to the bracket close to it.

[0012] Preferably, a spiral groove is provided on the surface of the rotating shaft, a slider is provided on the inner side of one end of the tube cloth, the slider is slidably connected in the groove, a guide rail is provided on the inner wall of the water collecting tank along its length direction, a guide block is provided in the guide rail, a connecting piece is provided on the guide block, a fixing part is provided on the tube cloth, and the connecting piece and the fixing part are detachably connected.

[0013] Preferably, the connecting member includes a connecting rope and a hook body, one end of the connecting rope is connected to the guide block, and the other end is connected to the hook body, and the fixing portion is a pull ring for the hook body to hook.

[0014] Preferably, the connecting member is a connecting rod hinged to the guide block, an end of the connecting rod away from the guide block is connected to a clamping block, and the fixing portion is a clamping groove for the clamping block to be clamped into.

[0015] Preferably, a positioning spring and a steel ball are provided in the block, the steel ball is located on the side of the block, the positioning spring makes the steel ball have a tendency to move to the outside of the block, and a fixing groove for the steel ball to be inserted is provided on the inner wall of the slot.

[0016] Preferably, the connecting rod is made of a magnetic material, and the side wall of the water collecting tank is provided with a magnet for adsorbing the connecting rod.

[0017] Preferably, the bracket far away from the second gear has two rotating parts which can rotate up and down respectively, a through slot for connecting the rotating shaft is provided between the two rotating parts, and a lock is connected between the two rotating parts.

[0018] Preferably, a storage cover is provided on the top of the window frame.

[0019] In summary, the present invention has the following beneficial effects:

[0020] 1. The present invention does not need to use rainwater, but uses the water supply in the building, the water source is clean, and the damage caused by using rainwater is avoided;

[0021] 2. The water supply of the present invention does not require a water storage tank, thus avoiding the problem of the water storage tank freezing and cracking at low temperatures;

[0022] 3. The clean sewage of the present invention can be discharged through the drain pipe in time, avoiding the problem of sewage falling directly;

[0023] 4. The cleaning roller of the present invention can be cleaned by a scraper after use, so that the cleaning roller is kept clean;

[0024] 5. The cleaning roller can be wrung out after use to prevent sewage from remaining on the cleaning roller for a long time and generating odor;

[0025] 6. The cloth of the cleaning roller can be replaced. When the old cloth is worn out and the cleaning effect is reduced, a new cloth can be replaced to ensure the cleaning effect;

[0026] 7. When replacing the clean cloth, the cloth can be automatically wrung out, and the old cloth will not bring sewage into the room when replacing the cloth. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic structural diagram of the window frame in Example 1;

[0028] Figure 2 is a cross-sectional view of the water distribution tank and the water collection tank in Example 1;

[0029] Figure 3 is a top view of the lifting plate in Example 1;

[0030] Figure 4 is a schematic diagram of the connection relationship between gear 1 and gear 2 in embodiment 1;

[0031] Figure 5 is a schematic diagram of the shape of the bracket close to the gear 1 in Example 1;

[0032] Figure 6 is a schematic structural diagram of the cleaning roller in Embodiment 1;

[0033] Figure 7 yes Figure 3 The enlarged schematic diagram of the middle A part;

[0034] Figure 8 is a schematic structural diagram of the rotating shaft in Example 1;

[0035] Fig. 9 is a side view of the tube cloth in Example 1;

[0036] Fig.10 is a schematic diagram of the rotating part in Example 1;

[0037] Fig.11 is a side view of the tube cloth in Example 2;

[0038] Fig.12 is a cross-sectional view of the cleaning roller in Embodiment 2.

[0039] In the figure, 1, window frame; 11, left window sash; 12, right window sash; 13, closing sash; 14, storage cover; 15, column; 21, cleaning motor; 22, gear 1; 31, lifting screw; 32, lifting motor; 33, lifting plate; 34, bracket; 35, rotating part; 36, through groove; 37, lock; 4, water distribution tank; 41, water distribution plate; 42, water distribution hole; 43, water inlet pipe; 5, water collecting tank; 5 1. Drain pipe; 52. Guide rail; 53. Guide block; 54. Connecting rope; 55. Hook; 56. Connecting rod; 57. Block; 58. Positioning spring; 59. Steel ball; 60. Magnet; 7. Scraper; 8. Cleaning roller; 81. Rotating shaft; 82. Gear 2; 83. Cloth; 84. Brush; 85. Slide; 86. Sliding block; 87. Pull ring; 88. Slot; 89. Fixed slot; 90. Connecting ring. DETAILED DESCRIPTION

[0040] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0041] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0042] Embodiment 1: An aluminum alloy system door and window, such as Figure 1As shown, the window frame 1 includes a left window sash 11, a right window sash 12, and a closed sash 13 located between the two. The left window sash 11 and the right window sash 12 are both casement windows. Since the existing casement windows are usually inward-opening, the left window sash 11 and the right window sash 12 can be easily cleaned by the user after they are opened. Therefore, the present invention only needs to clean the closed sash 13. A storage cover 14 is installed on the top of the window frame 1, and two hollow columns 15 are vertically installed in the middle. The opposite side of the two columns 15 is open, and its function is to store cleaning components and cleaning components, on the one hand to prevent them from malfunctioning due to wind and rain, and on the other hand to have a high aesthetics. A water collecting tank 5 is installed at the bottom of the window frame 1. The top of the water collecting tank 5 located at the closed sash 13 is open upwards to receive clean sewage falling from above. The water collecting tank 5 is closed at the top of the left window sash 11 and the right window sash 12 and can be used as a window sill. The water collecting tank 5 is provided with a guide rail 52 along its length direction on the side wall near the closing fan 13, a guide block 53 is slidably connected in the guide rail 52, and a connecting member is connected to the guide block 53. In this embodiment, the connecting member is a connecting rope 54, and a hook body 55 is connected to the end of the connecting rope 54 away from the guide block 53. A scraper 7 is installed on the side wall below the guide rail 52 along the length direction of the water collecting tank 5. The scraper 7 is arranged in parallel, and the edge of the scraper 7 is wavy.

[0043] like Figure 2 As shown, a water distribution tank 4 for providing clean water is installed on the top of the closed fan 13, and the water distribution tank 4 is connected to a water inlet pipe 43. The other end of the water inlet pipe 43 is connected to the water supply of the building, thereby ensuring the cleanliness of the clean water and avoiding the problems caused by using rainwater. A water distribution plate 41 is provided on the bottom surface of the water distribution tank 4, and a plurality of water distribution holes 42 are provided on the water distribution plate 41 along the length direction of the closed fan 13. When in use, clean water enters the water distribution tank 4 along the water inlet pipe 43, then flows on the water distribution plate 41, and leaks down along the water distribution holes 42, which is used to clean the windows of the closed fan 13. The lifting assembly includes two lifting screws 31 vertically arranged on both sides of the closed fan 13, and the lifting screws 31 are rotatably arranged. A lifting motor 32 is connected to the top of each lifting screw 31, and the two lifting motors 32 are fixedly arranged, and the two lifting motors 32 are synchronously operated. The two lifting screws 31 are connected with a lifting plate 33, which is arranged horizontally perpendicular to the lifting screws 31, and its two ends are respectively threadedly connected to the lifting screws 31. When the two lifting motors 32 operate synchronously, the two lifting screws 31 are driven to rotate synchronously, thereby driving the lifting plate 33 to move upward or downward.

[0044] In another embodiment of the present invention, a lifting screw 31, a lifting motor 32, a guide rod and a lifting plate 33 may be provided. The guide rod is provided through the lifting plate 33. The lifting plate 33 is driven to move by a lifting motor 32 and a lifting screw 31, and the guide rod guides the lifting plate 33.

[0045] A drainage pipe 51 is connected to the bottom of the water collecting tank 5, and the other end of the drainage pipe 51 is connected to the sewer pipe of the building for discharging clean sewage.

[0046] like Figures 3 to 5 As shown, the cleaning assembly is installed on the lifting plate 33, including a cleaning motor 21 fixedly arranged on the lifting plate 33, and the power output end of the cleaning motor 21 is connected to a gear 1 22. Brackets 34 are respectively installed at both ends of the length direction of the lifting plate 33, and a cleaning roller 8 is rotatably connected between the two brackets 34. The gear 1 22 is rotatably connected to the bracket 34 close to it. The cleaning roller 8 has a gear 2 82 meshing with the gear 1 22.

[0047] like Figure 6 and Figure 7 As shown, the cleaning roller 8 includes a rotating shaft 81, and both ends of the rotating shaft 81 are rotatably connected to the bracket 34. A tube cloth 83 is sleeved on the rotating shaft 81, and the tube cloth 83 has bristles 84 for cleaning the window (the length of the bristles 84 is drawn shorter for clarity in the figure, and the actual length of the bristles 84 is longer). The tube cloth 83 is provided with a pull ring 87 for the hook body 55 mentioned above to hook.

[0048] like Figure 8 As shown, a spiral groove 85 is formed on the side of the rotating shaft 81 along its circumference.

[0049] like Fig. 9 As shown, a slider 86 is connected to the inner side of the tube cloth 83 , and the slider 86 is slidably connected in the slide groove 85 .

[0050] In another embodiment of the present invention, a plurality of slide grooves 85 are arranged in parallel, the number of sliders 86 corresponds to the slide grooves 85 , and each slider 86 is slidably connected in the slide grooves 85 .

[0051] like Fig.10 As shown, two rotating parts 35 are hinged on the bracket 34 away from the gear 2 82. The two rotating parts 35 can rotate upward and downward respectively. A through groove 36 for connecting the rotating shaft 81 is opened between the two rotating parts 35. The rotating shaft 81 is rotatably connected in the through groove 36. The two rotating parts 35 are connected with a lock 37 for fixing the two.

[0052] The working principle of this embodiment is as follows:

[0053] When cleaning the closed fan 13, the valves at the water inlet pipe 43 and the drain pipe 51 are opened, and clean cleaning water enters the water distribution tank 4 from the water inlet pipe 43, flows on the water distribution plate 41, and then falls through the multiple water distribution holes 42. Initially, the lifting plate 33 and the cleaning assembly are located in the top storage cover 14. When the water distribution holes 42 begin to drip water downward, the cleaning water drips on the cleaning roller 8, and the cleaning motor 21 starts to drive the cleaning roller 8 to rotate, and the bristles 84 scrub the closed fan 13 to clean it. The lifting motor 32 starts to drive the lifting screw 31 to rotate, so that the lifting plate 33 moves downward, driving the cleaning roller 8 to move downward, and cleaning the bottom of the closed fan 13. The clean sewage falls into the water collecting tank 5 and is discharged along the drain pipe 51.

[0054] The cloth 83 needs to be cleaned after use. When cleaning, the cleaning roller 8 is moved downward into the water collecting tank 5 so that the bristles 84 contact the scraper 7. When the cleaning roller 8 rotates, the bristles 84 are constantly in contact and squeezed with the scraper 7, rubbing the bristles 84, and the principle is similar to scrubbing clothes to make the bristles 84 clean.

[0055] After use, the tubular cloth 83 needs to be wrung out to prevent sewage from being stained on the tubular cloth 83 and generating odor after a long time. When wrung out, the hook body 55 is hooked on the pull ring 87, and the cleaning motor 21 is started to rotate the rotating shaft 81. Since the pull ring 87 is hooked by the hook body 55, when the rotating shaft 81 rotates, the tubular cloth 83 cannot rotate at the same time, and the slider 86 on the inner side of the tubular cloth 83 will slide along the slide groove 85, and the slider 86 slides from one end of the rotating shaft 81 to the other end, and at the same time, the tubular cloth 83 is compressed, and the guide block 53 slides along the guide rail 52. During the compression process of the tubular cloth 83, the sewage inside it is squeezed out and discharged from the drain pipe 51. After the water in the tubular cloth 83 is wrung out, the cleaning motor 21 drives the rotating shaft 81 to reverse, so that the slider 86 slides in the opposite direction, so that the tubular cloth 83 is unfolded to the initial state, and the hook body 55 is taken out from the pull ring 87, and then the cleaning component is moved to the storage cover 14 by the lifting component.

[0056] When the cloth 83 becomes dirty after being used for a period of time and needs to be replaced, the cleaning roller 8 is moved into the water collecting box 5, the cloth 83 is first compressed, and the slider 86 slides from left to right. After the cloth 83 is completely compressed, the user opens the lock 37, manually pulls the cloth 83 to remove the cloth 83 from the rotating shaft 81, and unties the hook 55 and the pull ring 87. Since the old cloth 83 is wrung out before being removed, the dirty water on the old cloth 83 can be prevented from being brought into the room when the cloth 83 is replaced. When installing a new cloth tube 83, first manually put the new cloth tube 83 on the rotating shaft 81, slide the slider 86 into the slide groove 85, then connect the hook body 55 to the pull ring 87, use the lock buckle 37 to fix the two rotating parts 35, and then start the cleaning motor 21 to rotate, so that the slider 86 slides from right to left in the slide groove 85, driving the cloth tube 83 to unfold on the rotating shaft 81, and finally untie the pull ring 87 from the hook body 55. At this time, the new cloth tube 83 is installed on the rotating shaft 81.

[0057] Embodiment 2: an aluminum alloy system door and window, Embodiment 2 is basically the same as Embodiment 1, except that Fig.11 As shown, a connecting rod 56 is hinged on the guide block 53, and a clamping block 57 is connected downward at the end of the connecting rod 56. The guide rod is made of a magnetic material, such as iron material, and a magnet 60 is fixedly installed above the guide block 53, and the magnet 60 is used to absorb the connecting rod 56. A connecting ring 90 is sleeved on the rotating shaft 81, and a clamping groove 88 corresponding to the clamping block 57 is opened on the connecting ring 90, and the clamping groove 88 is for the clamping block 57 to be clamped.

[0058] like Fig.12 As shown, a positioning spring 58 and two steel balls 59 are provided in the block 57. The two sides of the positioning spring 58 are respectively against the steel balls 59, so that the two steel balls 59 have a tendency to move to the outside of the block 57. A fixing groove 89 corresponding to the steel ball 59 is opened on the inner wall of the slot 88, so that the steel ball 59 is stuck in the fixing groove 89.

[0059] The working principle of this embodiment is as follows:

[0060] The working principle of this embodiment is basically the same as that of the first embodiment, except that when the connecting member is connected to the fixing portion, the block 57 is inserted into the slot 88 by rotating the connecting rod 56, and the steel ball 59 is inserted into the fixing slot 89 under the action of the positioning spring 58, thereby fixing the block 57 in the slot 88. When not in use, the connecting rod 56 is rotated to be adsorbed on the magnet 60.

Claims

1. An aluminum alloy system door and window, comprising a window frame (1), a left window sash (11), a right window sash (12), and a closing sash (13), characterized in that: A cleaning component and a lifting component are arranged on the outside of the window frame (1), the cleaning component comprises a rotatably arranged cleaning roller (8), a water distribution box (4) is arranged on the top of the closed sash (13), a water distribution plate (41) is arranged on the bottom of the water distribution box (4), a plurality of water distribution holes (42) are arranged on the water distribution plate (41), the water distribution box (4) is connected to a water inlet pipe (43), a water collecting box (5) is arranged on the bottom of the closed sash (13), the water collecting box (5) is opened upward, and the water collecting box (5) is connected to a drainage pipe (51), a scraper (7) is arranged on the inner wall of the closed sash (13) along the length direction of the water collecting box (5), and the edge of the scraper (7) is wavy; The lifting assembly comprises two lifting screws (31) vertically arranged on both sides of the closed fan (13), each lifting screw (31) is connected to a lifting motor (32), and the two lifting screws (31) are connected to a lifting plate (33), which is arranged horizontally and has two ends respectively connected to the lifting screws (31) by threads; The cleaning assembly also includes a cleaning motor (21), the cleaning motor (21) is connected to a gear one (22), the cleaning roller (8) includes a rotating shaft (81), a tube cloth (83) is sleeved on the rotating shaft (81), the tube cloth (83) has bristles (84), the rotating shaft (81) is connected to a gear two (82) meshing with the gear one (22), brackets (34) are respectively arranged at both ends of the lifting plate (33), the two ends of the rotating shaft (81) are respectively connected to the brackets (34), and the gear two (82) is connected to the bracket (34) close to it. A spiral groove (85) is provided on the surface of the rotating shaft (81), a slider (86) is provided on the inner side of one end of the tubular cloth (83), the slider (86) is slidably connected in the groove (85), a guide rail (52) is provided on the inner wall of the water collecting tank (5) along its length direction, a guide block (53) is provided in the guide rail (52), a connecting piece is provided on the guide block (53), a fixing part is provided on the tubular cloth (83), and the connecting piece and the fixing part are detachably connected.

2. The aluminum alloy system door and window according to claim 1, characterized in that: The connecting member comprises a connecting rope (54) and a hook body (55), one end of the connecting rope (54) is connected to the guide block (53), and the other end is connected to the hook body (55), and the fixing part is a pull ring (87) for the hook body (55) to hook.

3. The aluminum alloy system door and window according to claim 1, characterized in that: The connecting member is a connecting rod (56) hinged to the guide block (53); the end of the connecting rod (56) away from the guide block (53) is connected to a clamping block (57); and the fixing portion is a clamping groove (88) for the clamping block (57) to be clamped into.

4. The aluminum alloy system door and window according to claim 3, characterized in that: A positioning spring (58) and a steel ball (59) are arranged in the clamping block (57); the steel ball (59) is located on the side of the clamping block (57); the positioning spring (58) makes the steel ball (59) have a tendency to move toward the outside of the clamping block (57); and a fixing groove (89) for the steel ball (59) to be clamped is arranged on the inner wall of the clamping groove (88).

5. The aluminum alloy system door and window according to claim 3, characterized in that: The connecting rod (56) is made of a magnetic material, and a magnet (60) for adsorbing the connecting rod (56) is provided on the side wall of the water collecting box (5).

6. The aluminum alloy system door and window according to claim 1, characterized in that: The bracket (34) far from the second gear (82) has two rotating parts (35) which can rotate up and down respectively, a through slot (36) for connecting the rotating shaft (81) is provided between the two rotating parts (35), and a lock buckle (37) is connected between the two rotating parts (35).

7. The aluminum alloy system door and window according to claim 1, characterized in that: A storage cover plate (14) is provided on the top of the window frame (1).

Citation Information

Patent Citations

  • Self-cleaning fireproof window

    CN221169343U

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    CN113502953A

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