Side-opening type narrow-frame aluminum alloy casement system window

Abstract

The utility model discloses a side-opening type narrow-frame aluminum alloy casement system window which comprises a window frame and an opening and closing window body arranged in the window frame. The window frame is mounted on a civil engineering structure; the opening and closing window body comprises an opening and closing window frame and an opening and closing sash mounted in the opening and closing window frame; the opening and closing window frame is hinged to the window frame through hinges. A first horizontal extension part is arranged on the inner side of the window frame; the first horizontal extension part horizontally extends to a position which is flush with the opening and closing window frame or crosses the opening and closing window frame, and is used for shielding the opening and closing window frame. According to the side-opening type narrow-frame aluminum alloy casement system window, the opening and closing window frame is shielded by the first horizontal extending part on the inner side of the window frame, so that a splicing seam of the opening and closing window body is hidden, and when the side-opening type narrow-frame aluminum alloy casement system window is seen from a room, the side-opening type narrow-frame aluminum alloy casement system window can be opened and closed conveniently. The visual surface of the profile is flat, and the splicing seam of the profile cannot be seen, so that the impression is more delicate.

Description

Technical Field

[0001] The utility model relates to an aluminum alloy window, in particular to a side-opening narrow-frame aluminum alloy casement system window. Background Art

[0002] With rapid socioeconomic development and rising living standards, residential design is trending towards high-end, multifunctional designs. To enhance the aesthetic appeal of buildings, large-panel aluminum windows are often used on their exteriors, with some even employing retractable curtain walls. Traditional aluminum windows offer mediocre performance and a less refined appearance. Larger windows often require additional reinforcement with large braces. High-end system windows are complex, lack a clean aesthetic, and are expensive to manufacture. Retractable curtain walls offer a beautiful appearance, but their high cost makes them uneconomical and impractical for residential applications. Therefore, developing curtain wall windows that offer a refined appearance, excellent performance, and a reasonable cost for mid- to high-end residential projects is crucial. Utility Model Content

[0003] In order to overcome the deficiencies in the prior art, the utility model provides a side-opening narrow-frame aluminum alloy casement system window, which has the advantages of exquisite appearance and excellent performance.

[0004] The technical solution of the utility model to solve the above technical problems is:

[0005] A side-opening narrow-frame aluminum alloy casement system window, comprising a window frame and an opening and closing window body arranged in the window frame, wherein the window frame is installed on a civil engineering structure; the opening and closing window body comprises an opening and closing window frame and an opening and closing sash material installed in the opening and closing window frame, wherein the opening and closing window frame is hinged to the window frame by a hinge; a first horizontal extension portion is provided on the inner side of the window frame; the first horizontal extension portion extends horizontally to a position flush with the opening and closing window frame or beyond the opening and closing window frame, for shielding the opening and closing window frame.

[0006] Preferably, it also includes a first fixed window and a second fixed window arranged in the window frame; the window frame includes an upper frame, a lower frame, a left frame, a right frame, a vertical center brace and a horizontal center brace, wherein the upper frame, the left frame, the lower frame and the right frame are connected end to end to form a square frame structure; the inner sides of the vertical center brace and the horizontal center brace are flush with the inner side of the window frame; the vertical center brace and the horizontal center brace divide the space in the window frame into a first installation area, a second installation area and a third installation area, wherein the opening and closing window is installed in the first installation area; the first fixed window is installed in the second installation area; the second fixed window is installed in the third installation area.

[0007] Preferably, a sealing structure and a decompression structure are respectively provided between the left side of the opening and closing window frame and the left frame, between the right side and the vertical center brace, between the upper side and the upper frame, and between the lower side and the horizontal center brace, wherein:

[0008] The sealing structure includes a first sealing strip installed on the upper frame / vertical center brace / left frame / horizontal center brace and a second sealing strip installed on the opening and closing window frame, wherein the extended end of the first sealing strip elastically presses against the opening and closing window frame; the extended end of the second sealing strip elastically presses against the upper frame / vertical center brace / left frame / horizontal center brace; the space between the first sealing strip and the second sealing strip in the upper frame / vertical center brace / left frame / horizontal center brace and the opening and closing window frame forms a sealing cavity;

[0009] The decompression structure includes a waterproof strip arranged on the opening and closing window frame, the waterproof strip is installed on the opening and closing window frame, and the extended end of the waterproof strip is pressed against the upper frame / vertical center brace / left frame / horizontal center brace; the space between the upper frame / vertical center brace / left frame / horizontal center brace and the opening and closing window frame and the second sealing strip and the waterproof strip forms a decompression chamber.

[0010] Preferably, the opening and closing window frame is provided with an installation position at a position corresponding to the opening and closing sash material, and the installation position is provided with a first assembly rubber strip and a second assembly rubber strip on the front and rear sides of the opening and closing sash material, wherein the first assembly rubber strip and the second assembly rubber strip are both installed on the opening and closing window frame, and are respectively pressed against the inner and outer sides of the opening and closing sash material.

[0011] Preferably, the opening and closing window frame is provided with an opening handle for opening or closing the opening and closing window body at a position close to the vertical center support.

[0012] Preferably, the first fixed window body includes a first fixed window frame and a first fixed sash material arranged in the first fixed window frame, wherein the upper side of the first fixed window frame is installed on the horizontal center support, the lower side is installed on the lower frame, the left side is installed on the left frame, and the right side is installed on the vertical center support; a second horizontal extension portion is provided on the horizontal center support, the lower frame, the left frame and the right frame; the second horizontal extension portion extends horizontally to a position flush with the first fixed window frame or beyond the first fixed window frame, for shielding the first fixed window frame.

[0013] Preferably, a third assembly strip is provided between the first fixed window frame and the inner side of the first fixed sash material, the third assembly strip is installed on the first fixed window frame, and the extended end of the third assembly strip is pressed against the inner side of the first fixed sash material; a first buckle box is provided between the first fixed window frame and the outer side of the first fixed sash material, the first buckle box is installed on the first fixed window frame, and a hard pad is provided between the first buckle box and the outer side surface of the first fixed sash material; the hard pad is installed on the first buckle box.

[0014] Preferably, the second fixed window body includes a second fixed sash material and a second buckle box for mounting the four sides of the second fixed sash material on the window frame, wherein the vertical center brace, left frame, lower frame and right frame are provided with horizontally extending limiting portions on the outer side of the second fixed sash material; a fourth assembly rubber strip is provided between the limiting portion and the second fixed sash material, the fourth assembly rubber strip is installed on the limiting portion, and is pressed against the outer side surface of the second fixed sash material; the vertical center brace, left frame, lower frame and right frame are provided with the second buckle box on the inner side of the second fixed sash material, a fifth assembly rubber strip is provided between the second buckle box and the inner side surface of the second fixed sash material, the fifth assembly rubber strip is installed on the second buckle box, and is pressed against the inner side surface of the second fixed sash material.

[0015] Preferably, the window frame, the opening and closing window frame and the first fixed window frame are all made of aluminum profile structure.

[0016] Preferably, the window frame, the opening and closing window frame and the first fixed window frame all adopt an aluminum profile structure, and a thermal insulation structure is provided in the aluminum profile structure, and the thermal insulation structure includes a thermal insulation strip provided in the aluminum profile structure.

[0017] Preferably, the window frame is installed on the civil structure by fixing anchor bolts, and the gap between the civil structure and the window frame is sealed by waterproof mortar.

[0018] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0019] 1. The side-opening narrow-frame aluminum alloy casement system window of the present invention is provided with a first extension portion extending to a position flush with or beyond the opening and closing window frame to shield the opening and closing window frame, thereby hiding the splicing seam of the opening and closing window body. It is equivalent to saying that the opening and closing window frame is entirely shielded by the first horizontal extension portion. In this way, when the side-opening narrow-frame aluminum alloy casement system window of the present invention is viewed from indoors, only the entire frame structure of the window frame can be seen, and the frame structure of the opening and closing window frame is invisible. In this way, the visible surface of the side-opening narrow-frame aluminum alloy casement system window of the present invention is smooth, the profile splicing seam is not visible, and the appearance is more refined.

[0020] 2. The side-opening narrow-frame aluminum alloy casement system window of the present invention hides the opening and closing window frame on the first horizontal extension portion of the window frame, making the appearance of the side-opening narrow-frame aluminum alloy casement system window of the present invention more beautiful and refined, and higher-grade. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is an exterior elevation view of the side-opening narrow-frame aluminum alloy casement system window of the present invention.

[0022] Figure 2 This is an interior elevation view of the side-opening narrow-frame aluminum alloy casement system window of the present invention.

[0023] Figure 3 for Figure 1 Cross-sectional view in the AA direction.

[0024] Figure 4 for Figure 3 A partial enlarged view of point E in the middle.

[0025] Figure 5 for Figure 3 A partial enlarged view of point F in the middle.

[0026] Figure 6 for Figure 3 A partial enlarged view of point G in the middle.

[0027] Figure 7 for Figure 1 Cross-sectional view along the BB direction.

[0028] Figure 8 for Figure 7 A partial enlarged view of point H in the middle.

[0029] Figure 9 for Figure 7 A partial enlarged view of point I in the middle.

[0030] Figure 10 for Figure 7 A partial enlarged view of point J in the middle.

[0031] Figure 11 for Figure 1 Cross-sectional view in CC direction.

[0032] Figure 12 for Figure 11 A local enlarged view of point K in the middle.

[0033] Figure 13 for Figure 11 A partial enlarged view of point L in the middle.

[0034] Figure 14 for Figure 11A local enlarged view of point M in the middle.

[0035] Figure 15 for Figure 1 Cross-sectional view in the DD direction.

[0036] Figure 16 for Figure 15 A partial enlarged view of point O in the middle.

[0037] Figure 17 for Figure 15 A local enlarged view of point P in the middle.

[0038] Figure 18 This is a schematic diagram showing that the first horizontal extension portion is flush with the opening and closing window frame (the schematic diagram showing that the second horizontal extension portion is flush with the first fixed window frame is similar). DETAILED DESCRIPTION

[0039] The present invention will be described in further detail below with reference to the embodiments and drawings, but the embodiments of the present invention are not limited thereto.

[0040] See also Figures 1-18 The side-opening narrow-frame aluminum alloy casement system window of the present invention comprises a window frame 1 and an opening and closing window body and a fixed window body arranged in the window frame 1 .

[0041] See also Figures 1-18 The window frame 1 is mounted on the civil structure 2 by fixing anchor bolts 4, and the gap between the civil structure 2 and the window frame 1 is sealed by waterproof mortar 5;

[0042] In this embodiment, the window frame 1 includes an upper frame 101, a lower frame 103, a left frame 104, a right frame 102, a vertical center brace 105 and a horizontal center brace 106, wherein the upper frame 101, the left frame 104, the lower frame 103 and the right frame 102 are connected end to end to form a square frame structure; the inner sides of the vertical center brace 105 and the horizontal center brace 106 are flush with the inner side of the window frame 1, which can ensure that the inner side surfaces of the side-opening narrow-frame aluminum alloy casement system window of the present invention are parallel, making the structure more beautiful; the vertical center brace 105 and the horizontal center brace 106 divide the space in the window frame 1 into a first installation area, a second installation area and a third installation area, which are used to install opening and closing windows and fixed windows.

[0043] In addition, a reinforcing steel insert 20 is provided in the vertical center brace 105 , and the reinforcing steel insert 20 can strengthen the structural strength of the vertical center brace 105 , thereby enhancing the stability of the side-opening narrow-frame aluminum alloy casement system window of the present invention during use.

[0044] See also Figures 1-18The opening and closing window body is installed in the first installation area, including an opening and closing window frame 11 and an opening and closing fan material 14 installed in the opening and closing window frame 11, wherein the opening and closing window frame 11 is hinged to the window frame 1 by a hinge 10; a first horizontal extension portion 3 is provided on the inner side of the window frame 1; the first horizontal extension portion 3 extends horizontally to a position flush with the opening and closing window frame 11 or beyond the opening and closing window frame 11, for shielding the opening and closing window frame 11; in this way, when looking at the side-opening narrow-frame aluminum alloy casement system window of the present invention from the interior, the opening and closing window frame 11 cannot be seen due to the obstruction of the first horizontal extension portion 3, and only the entire frame structure of the window frame 1 can be seen, which can improve the aesthetics of the side-opening narrow-frame aluminum alloy casement system window of the present invention.

[0045] See also Figures 1-18 A sealing structure and a decompression structure are respectively provided between the left side of the opening and closing window frame 11 and the left frame 104, between the right side and the vertical center brace 105, between the upper side and the upper frame 101, and between the lower side and the horizontal center brace 106.

[0046] The sealing structure includes a first sealing strip 12 installed on the upper frame 101 / vertical center brace 105 / left frame 104 / horizontal center brace 106 and a second sealing strip 13 installed on the opening and closing window frame 11, wherein the extended end of the first sealing strip 12 elastically presses against the opening and closing window frame 11; the extended end of the second sealing strip 13 elastically presses against the upper frame 101 / vertical center brace 105 / left frame 104 / horizontal center brace 106; the space between the first sealing strip 12 and the second sealing strip 13 in the upper frame 101 / vertical center brace 105 / left frame 104 / horizontal center brace 106 and the opening and closing window frame 11 forms a sealed cavity;

[0047] The decompression structure includes a waterproof strip 7 arranged on the opening and closing window frame 11, and the waterproof strip 7 is installed on the opening and closing window frame 11, and the extended end of the waterproof strip 7 is pressed against the upper frame 101 / vertical center brace 105 / left frame 104 / horizontal center brace 106; the upper frame 101 / vertical center brace 105 / left frame 104 / horizontal center brace 106 and the space between the second sealing strip 13 and the waterproof strip 7 in the opening and closing window frame 11 form a decompression cavity (or waterproof cavity).

[0048] By arranging the above-mentioned first sealing strip 12, second sealing strip 13 and waterproof strip 7, the gaps between the upper frame 101 / vertical center brace 105 / left frame 104 / horizontal center brace 106 and the opening and closing window frame 11 form a sealed cavity and a decompression cavity, wherein the decompression cavity can reduce the amount of rainwater and external wind pressure, while the sealed cavity can be waterproof; in addition, since the first sealing strip 12 and the second sealing strip 13 are hidden inside, they are protected from aging caused by wind and sun, and have reliable durability.

[0049] See also Figures 1-18 The opening and closing window frame 11 is provided with an installation position at a position corresponding to the opening and closing sash material 14, and the installation position is provided with a first assembly rubber strip 8 and a second assembly rubber strip 9 on the front and rear sides of the opening and closing sash material 14, wherein the first assembly rubber strip 8 and the second assembly rubber strip 9 are both installed on the opening and closing window frame 11, and respectively press against the inner and outer sides of the opening and closing sash material 14, thereby achieving the fixed installation of the opening and closing sash material 14 on the opening and closing window frame 11.

[0050] See also Figures 1-18 The opening and closing window frame 11 is provided with an opening handle 15 for opening or closing the opening and closing window body at a position close to the vertical center support 105; in this embodiment, the opening handle 15 can be implemented with reference to the existing aluminum alloy window opening and closing mechanism, and the locking point and transmission rod of the opening handle 15 are installed in the sealed cavity.

[0051] See also Figures 1-18 The fixed window includes a first fixed window and a second fixed window, wherein the first fixed window is installed in the second installation area; the second fixed window is installed in the third installation area.

[0052] See also Figures 1-18 The first fixed window body includes a first fixed window frame 21 and a first fixed fan material 23 arranged in the first fixed window frame 21, wherein the upper side of the first fixed window frame 21 is installed on the horizontal center brace 106, the lower side is installed on the lower frame 103, the left side is installed on the left frame 104, and the right side is installed on the vertical center brace 105; in this embodiment, the connection method adopted is to connect and fix through an L-shaped connecting block 26 (or directly screw fixation); the horizontal center brace 106, the lower frame 103, the left frame 104 and the right frame 102 are all provided with a second horizontal extension portion (equivalent to the first extension portion 3); the second horizontal extension portion extends horizontally to a position flush with the first fixed window frame 21 or beyond the first fixed window frame 21, for covering the first fixed window frame 21, thereby hiding the splicing seam of the first fixed window body, thereby further improving the aesthetics of the side-opening narrow-frame aluminum alloy casement system window of the utility model.

[0053] See also Figures 1-18 A third assembly strip 22 is provided on the inner sides of the first fixed window frame 21 and the first fixed sash material 23. The third assembly strip 22 is mounted on the first fixed window frame 21, and the extended end of the third assembly strip 22 abuts against the inner side of the first fixed sash material 23. A first thread box 24 is provided on the outer sides of the first fixed window frame 21 and the first fixed sash material 23. The first thread box 24 is mounted on the first fixed window frame 21, and a hard spacer 25 is provided between the first thread box 24 and the outer side of the first fixed sash material 23. Through the above structure, the first fixed sash material 24 is installed on the first fixed window frame 21.

[0054] See also Figures 1-18 The second fixed window body includes a second fixed fan material 19 and a second buckle box 16 for mounting the four sides of the second fixed fan material 19 on the window frame 1, wherein the vertical center brace 105, the left frame 104, the lower frame 103 and the right frame 102 are provided with a horizontally extending limit portion on the outer side of the second fixed fan material 19; a fourth assembly strip 18 is provided between the limit portion and the second fixed fan material 19, and the fourth assembly strip 18 is installed on the limit portion and pressed against the second fixed fan material 19. The outer side surface of the sash material 19; the vertical center support 105, the left frame 104, the lower frame 103 and the right frame 102 are installed with the second buckle box 16 on the inner side of the second fixed sash material 19, and a fifth assembly rubber strip 17 is provided between the second buckle box 16 and the inner side surface of the second fixed sash material 19, and the fifth assembly rubber strip 17 is installed on the second buckle box 16 and pressed against the inner side surface of the second fixed sash material 19; through the above structure, the second fixed sash material 19 is installed in the window frame 1.

[0055] See also Figures 1-18 The opening and closing fan material 14, the first fixed fan material 23 and the second fixed fan material 19 are all made of hollow glass, which is beneficial to heat insulation and noise prevention.

[0056] See also Figures 1-18 The bottoms of the opening and closing sash material 14, the first fixed sash material 23 and the second fixed sash material 19 are all provided with load-bearing pads 27, and the load-bearing pads 27 are respectively installed on the opening and closing window frame 11 and the lower frame 103.

[0057] See also Figures 1-18 The window frame 1, the opening and closing window frame 11 and the first fixed window frame 21 adopt a thermal insulation structure, and the thermal insulation structure includes a thermal insulation strip 6 arranged in the frame of the window frame 1; by setting the thermal insulation strip 6, heat is prevented from being transferred through the aluminum alloy profile structure of the window frame 1, the opening and closing window frame 11 and the first fixed window frame 21, which is equivalent to cutting off the heat propagation path by setting the thermal insulation strip 6.

[0058] In addition to the above embodiments, the window frame 1, the opening and closing window frame 11 and the first fixed window frame 21 can also be made of ordinary aluminum profiles, which can be flexibly selected according to customer needs.

[0059] The above is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited to the above content. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A side-opening narrow-frame aluminum alloy casement system window, characterized in that: It includes a window frame and an opening and closing window body arranged in the window frame, wherein the window frame is installed on a civil engineering structure; the opening and closing window body includes an opening and closing window frame and an opening and closing sash material installed in the opening and closing window frame, wherein the opening and closing window frame is hinged to the window frame through a hinge; a first horizontal extension portion is provided on the inner side of the window frame; the first horizontal extension portion extends horizontally to a position flush with the opening and closing window frame or beyond the opening and closing window frame, for shielding the opening and closing window frame.

2. The side-opening narrow-frame aluminum alloy casement system window according to claim 1, characterized in that: It also includes a first fixed window and a second fixed window arranged in the window frame; the window frame includes an upper frame, a lower frame, a left frame, a right frame, a vertical center brace and a horizontal center brace, wherein the upper frame, the left frame, the lower frame and the right frame are connected end to end to form a square frame structure; the inner sides of the vertical center brace and the horizontal center brace are flush with the inner side of the window frame; the vertical center brace and the horizontal center brace divide the space in the window frame into a first installation area, a second installation area and a third installation area, wherein the opening and closing window is installed in the first installation area; the first fixed window is installed in the second installation area; the second fixed window is installed in the third installation area.

3. The side-opening narrow-frame aluminum alloy casement system window according to claim 2, characterized in that: A sealing structure and a decompression structure are respectively provided between the left side of the opening and closing window frame and the left frame, between the right side and the vertical center brace, between the upper side and the upper frame, and between the lower side and the horizontal center brace. The sealing structure includes a first sealing strip installed on the upper frame / vertical center brace / left frame / horizontal center brace and a second sealing strip installed on the opening and closing window frame, wherein the extended end of the first sealing strip elastically presses against the opening and closing window frame; the extended end of the second sealing strip elastically presses against the upper frame / vertical center brace / left frame / horizontal center brace; the space between the first sealing strip and the second sealing strip in the upper frame / vertical center brace / left frame / horizontal center brace and the opening and closing window frame forms a sealing cavity; The decompression structure includes a waterproof strip arranged on the opening and closing window frame, the waterproof strip is installed on the opening and closing window frame, and the extended end of the waterproof strip is pressed against the upper frame / vertical center brace / left frame / horizontal center brace; the space between the upper frame / vertical center brace / left frame / horizontal center brace and the opening and closing window frame and the second sealing strip and the waterproof strip forms a decompression chamber.

4. The side-opening narrow-frame aluminum alloy casement system window according to claim 2, characterized in that: The opening and closing window frame is provided with an installation position at a position corresponding to the opening and closing sash material, and the installation position is provided with a first assembly rubber strip and a second assembly rubber strip on the front and rear sides of the opening and closing sash material, wherein the first assembly rubber strip and the second assembly rubber strip are both installed on the opening and closing window frame, and are respectively pressed against the inner and outer sides of the opening and closing sash material.

5. The side-opening narrow-frame aluminum alloy casement system window according to claim 2, characterized in that: The opening and closing window frame is provided with an opening handle for opening or closing the opening and closing window body at a position close to the vertical center support.

6. The side-opening narrow-frame aluminum alloy casement system window according to claim 2, characterized in that: The first fixed window body includes a first fixed window frame and a first fixed sash material arranged in the first fixed window frame, wherein the upper side of the first fixed window frame is installed on the horizontal center support, the lower side is installed on the lower frame, the left side is installed on the left frame, and the right side is installed on the vertical center support; a second horizontal extension portion is provided on the horizontal center support, the lower frame, the left frame and the right frame; the second horizontal extension portion extends horizontally to a position flush with the first fixed window frame or beyond the first fixed window frame, for shielding the first fixed window frame.

7. The side-opening narrow-frame aluminum alloy casement system window according to claim 6, characterized in that: A third assembly strip is provided between the first fixed window frame and the inner side of the first fixed sash material, the third assembly strip is installed on the first fixed window frame, and the extended end of the third assembly strip is pressed against the inner side of the first fixed sash material; a first wire box is provided between the first fixed window frame and the outer side of the first fixed sash material, the first wire box is installed on the first fixed window frame, and a hard pad is provided between the first wire box and the outer side surface of the first fixed sash material; the hard pad is installed on the first wire box.

8. The side-opening narrow-frame aluminum alloy casement system window according to claim 2, characterized in that: The second fixed window body includes a second fixed fan material and a second buckle box for installing the four sides of the second fixed fan material on the window frame, wherein the vertical center brace, left frame, lower frame and right frame are provided with a horizontally extending limiting portion on the outer side of the second fixed fan material; a fourth assembly rubber strip is provided between the limiting portion and the second fixed fan material, the fourth assembly rubber strip is installed on the limiting portion, and is tightly pressed against the outer side surface of the second fixed fan material; the vertical center brace, left frame, lower frame and right frame are provided with the second buckle box on the inner side of the second fixed fan material, and a fifth assembly rubber strip is provided between the second buckle box and the inner side surface of the second fixed fan material, the fifth assembly rubber strip is installed on the second buckle box, and is tightly pressed against the inner side surface of the second fixed fan material.

9. The side-opening narrow-frame aluminum alloy casement system window according to claim 6, characterized in that: The window frame, the opening and closing window frame and the first fixed window frame are all made of aluminum profile structures.

10. The side-opening narrow-frame aluminum alloy casement system window according to claim 6, characterized in that: The window frame, the opening and closing window frame and the first fixed window frame all adopt an aluminum profile structure. A thermal insulation structure is arranged in the aluminum profile structure, and the thermal insulation structure includes a thermal insulation strip arranged in the aluminum profile structure.

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