Balcony vertical hinged door structure with yarn

Abstract

The utility model provides a balcony vertical hinged door structure with a screen, which is applied to the technical field of doors and windows, and through the combination of a frame and a folding screen assembly, the folding screen assembly can be detachably mounted in the frame, so that an anti-mosquito function is realized under the condition that the width of the frame is not increased. The first folding gauze frame and the second folding gauze frame are oppositely arranged, so that when the telescopic folding gauze is unfolded, the gauze element can cover a door leaf, and the effect of preventing mosquitoes from entering a room is achieved. Meanwhile, the folding yarn assembly is detachably installed in the frame and can be conveniently detached, and the detaching and installing convenience of the balcony vertical hinged door structure with the yarn is improved. Therefore, the balcony vertical hinged door structure with the gauze has the advantages that the structure is simple, mosquitoes can be prevented from entering a room, the width size of the frame cannot be increased, and the manufacturing cost of the frame is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of doors and windows, and more particularly to a balcony casement door structure with screen. BACKGROUND

[0002] In modern buildings, doors and windows are not only important passages connecting the indoor and outdoor, but also key factors affecting the indoor thermal environment. The traditional casement door design meets the basic ventilation and isolation needs, but often ignores the protection function against mosquitoes, especially in the warm season, the invasion of mosquitoes becomes a problem for many families. However, the existing solutions on the market often have some limitations. When the casement door is equipped with a screen fan to achieve the anti-mosquito function, due to the setting of handles and other hardware fittings, the width of the frame profile has to be increased, which not only affects the overall appearance of the door, but also significantly increases the cost of the product. For example Figure 2 , a balcony casement door with handle and screen in the prior art has a wide frame profile. In order to solve this problem, a balcony casement door with only one side handle is also provided in the prior art, for example, a casement door and window with anti-mosquito and anti-theft functions disclosed in Chinese Utility Model Patent No. CN103132895A, which is composed of an outer frame, a glass fan and a screen fan. The glass fan and the screen fan are arranged side by side in the outer frame, which still requires a large space for the outer frame, increasing the manufacturing cost of the outer frame profile.

[0003] In this case, there is a lack of a balcony casement door structure with screen on the market, which does not occupy the width of the frame profile and reduces the manufacturing cost of the frame profile. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a balcony casement door structure with screen, which has the advantages of good anti-mosquito effect, low cost, high aesthetic appearance, strong durability and convenient use.

[0005] In a first aspect, a balcony casement door structure with screen includes a frame and a folding screen assembly detachably mounted in the frame,

[0006] The folding screen assembly is arranged in the gap between the frame and the door leaf, and at least includes a first folding screen frame and a second folding screen frame detachably mounted in the frame;

[0007] The first folding screen frame and the second folding screen frame are arranged opposite to each other, and the first folding screen frame is provided with a telescopic folding screen, which is in contact with the second folding screen frame and covers the door leaf to form a screen structure for preventing mosquitoes.

[0008] The application provides a balcony casement door structure with screen, which is characterized by the combination of the frame and the folding screen assembly, so that the folding screen assembly can be detachably installed in the frame, thereby realizing the anti-mosquito function without increasing the width of the frame. The relative arrangement of the first folding screen frame and the second folding screen frame can make the telescopic folding screen cover the door leaf when unfolded, thereby preventing mosquitoes from entering the room. Meanwhile, the folding screen assembly can be detachably installed in the frame, which can be conveniently disassembled, thereby improving the disassembly convenience of the balcony casement door structure with screen. Therefore, the balcony casement door structure with screen has the advantages of simple structure, anti-mosquito function and no increase in the width of the frame, and the manufacturing cost of the frame is reduced.

[0009] Further, the first folding screen frame and the second folding screen frame are respectively provided with a first C-shaped notch and a second C-shaped notch facing each other.

[0010] The folding screen comprises a fixed end and a movable end, the fixed end is fixed in the first C-shaped notch, and the movable end is used for contacting the second C-shaped notch.

[0011] The application provides a balcony casement door structure with screen, the first folding screen frame and the second folding screen frame are provided with C-shaped notches, so that the fixed end and the movable end of the folding screen can be fixed and contacted respectively, thereby forming an effective anti-mosquito screen structure. This design avoids the increase in the width of the frame profile caused by the handle and other hardware fittings in the traditional design, maintains the overall appearance of the door, and reduces the manufacturing cost.

[0012] Further, the movable end of the folding screen is provided with a first magnetic strip, and the first magnetic strip is used for contacting the second C-shaped notch.

[0013] The application provides a balcony casement door structure with screen, a first magnetic strip is arranged at the movable end of the folding screen, so that the movable end of the folding screen can be stably contacted with the second C-shaped notch through magnetic attraction, thereby ensuring the stability of the screen structure and the anti-mosquito effect. The contact design of the first magnetic strip and the second C-shaped notch effectively solves the problem of unstable contact between the movable end of the folding screen and the notch, and improves the overall performance and service life of the screen.

[0014] Further, the second C-shaped notch is provided with a second magnetic strip, and the second magnetic strip is used for contacting the first magnetic strip.

[0015] The balcony casement door structure with screen provided in the application is characterized in that the second magnetic strip is arranged in the second C-shaped notch, so that the first magnetic strip and the second magnetic strip can contact each other, thereby enhancing the connection stability between the folding screen assembly and the frame. This magnetic connection method not only improves the convenience of connection, but also ensures the covering effect of the folding screen on the door leaf, thereby further improving the effect of the anti-mosquito function.

[0016] Further, the folding screen assembly is further provided with a guide plate, the guide plate is provided with at least a first mounting portion, the first mounting portion is fixed with the movable end of the folding screen, and is used for connecting the movable end of the folding screen with the second C-shaped notch.

[0017] Further, the guide plate is further provided with a second mounting portion, and the second mounting portion is used for mounting the first magnetic strip.

[0018] Further, the frame comprises an outdoor frame profile and an indoor frame profile, and the folding screen assembly is detachably arranged between the outdoor frame profile and the indoor frame profile.

[0019] Further, the door leaf comprises an indoor leaf profile and an outdoor leaf profile, a first sealing rubber strip is arranged at the connection position of the outdoor frame profile and the outdoor leaf profile, a second sealing rubber strip is arranged at the connection position of the indoor frame profile and the indoor leaf profile, and the first sealing rubber strip and the second sealing rubber strip form two sealing structures.

[0020] Further, the balcony casement door structure further comprises a lower rail, the lower rail comprises an outdoor rail profile and an indoor rail profile, and the outdoor rail profile and the indoor rail profile are connected through a heat insulation strip.

[0021] Further, a C-shaped notch is arranged on the heat insulation strip and is used for contacting the folding screen.

[0022] The balcony casement door structure with screen provided in the application is characterized in that the second magnetic strip is arranged in the second C-shaped notch, so that the first magnetic strip and the second magnetic strip can contact each other, thereby enhancing the connection stability between the folding screen assembly and the frame. This magnetic connection method not only improves the convenience of connection, but also ensures the covering effect of the folding screen on the door leaf, thereby further improving the effect of the anti-mosquito function. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a top view of the balcony casement door structure with screen provided in the application.

[0024] Figure 2 The prior art is a balcony casement door with handle and screen.

[0025] Figure 3 The folding screen unfolding schematic diagram provided by the present application.

[0026] Figure 4 The first folding screen frame structure schematic diagram provided by the present application.

[0027] Figure 5 The lower rail structure schematic diagram provided by the present application.

[0028] In the figure: 1, frame; 11, outdoor frame profile; 12, indoor frame profile; 2, door leaf; 21, outdoor leaf profile; 22, indoor leaf profile; 3, lower rail; 31, outdoor rail profile; 32, indoor rail profile; 41, first folding screen frame; 42, second folding screen frame; 43, folding screen; 411, first C-shaped notch; 421, second C-shaped notch; 431, first magnetic strip; 432, fixed end; 433, movable end; 434, guide plate; 422, second magnetic strip; 435, first mounting part; 436, second mounting part; 51, first sealant strip; 52, second sealant strip; 33, heat insulation strip; 34, C-shaped notch. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described in connection with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and indicated in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0030] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] At present, there is a lack of a balcony casement door structure which does not occupy the width of the frame profile and reduces the manufacturing cost of the frame profile in the prior art. In order to solve this problem, the present application provides a balcony casement door structure with screen.

[0032] Please refer to Figures 1 to 5Firstly, a balcony swing door structure with a screen includes a frame 1 and a folding screen assembly detachably mounted in the frame 1.

[0033] The folded yarn assembly is disposed in the gap between the frame 1 and the door leaf 2, and includes at least a first folded yarn frame 41 and a second folded yarn frame 42 that are detachably installed in the frame 1;

[0034] The first folded mesh frame 41 and the second folded mesh frame 42 are arranged opposite to each other. The first folded mesh frame 41 is provided with a retractable folded mesh 43. The retractable folded mesh 43 contacts the second folded mesh frame 42, covers the door leaf 2, and forms a mosquito net structure.

[0035] The detachable installation of the folded yarn assembly can be achieved in various ways. For example, the folded yarn assembly can be fixed to the frame 1 by means of clips, screws, or magnets. As a preferred embodiment, the folded yarn assembly can be fixed by magnets, which not only facilitates installation and disassembly but also reduces mechanical damage to the frame 1. Furthermore, the telescopic design of the folded yarn 43 can be achieved by springs or pneumatic devices to ensure that the yarn maintains appropriate tension in different states.

[0036] Specifically, please refer to Figure 1 , Figure 3 The design of the folded mesh component enables mosquito prevention without increasing the width of the frame 1. Specifically, the first folded mesh frame 41 and the second folded mesh frame 42 can be arranged horizontally, opposite each other on the left and right sides of the frame 1. The relative arrangement of the first and second folded mesh frames 41 and 42, along with the design of the retractable folded mesh 43, ensures that the mesh can cover the door leaf 2 while maintaining the compact design of the frame 1, effectively solving the problem of occupying the width of the frame 1 profile. Therefore, the technical solution of this application not only improves the mosquito prevention effect of the balcony swing door but also maintains the aesthetics and compactness of the frame 1, reducing manufacturing costs.

[0037] Furthermore, the first folded yarn frame 41 and the second folded yarn frame 42 are respectively provided with a first C-shaped groove 411 and a second C-shaped groove 421 facing each other; the folded yarn 43 includes at least a fixed end 432 and a movable end 433, the fixed end 432 is fixed in the first C-shaped groove 411, and the movable end 433 is used to contact the second C-shaped groove 421.

[0038] Specifically, please refer to Figure 4, the first C-shaped notch 411 and the second C-shaped notch 421 are designed to enable the fixed end 432 and the movable end 433 of the folded yarn 43 to be fixed and contacted respectively, thereby forming an effective anti-mosquito screen structure. As a preferred embodiment, the movable end 433 of the folded yarn 43 can be provided with a first magnetic strip 431, and the second C-shaped notch 421 can be provided with a second magnetic strip 422, the first magnetic strip 431 being in contact with the second magnetic strip 422, further enhancing the fixing effect of the folded yarn 43. In addition, the folded yarn assembly can also be provided with a guide plate 434, the guide plate 434 being provided with at least a first mounting portion 435, the first mounting portion 435 being fixed with the movable end 433 of the folded yarn 43, for pulling the movable end 433 of the folded yarn 43 to connect with the second C-shaped notch 421. The guide plate 434 can also be provided with a second mounting portion 436 for mounting the first magnetic strip 431.

[0039] Thus, the present application sets the C-shaped notch and the magnetic strip, so that the fixed end 432 and the movable end 433 of the folded yarn 43 can be fixed and contacted respectively, thereby forming an effective anti-mosquito screen structure. This design avoids the increase in the width of the frame 1 profile caused by the handle and other hardware fittings in the traditional design, maintains the overall beauty of the door, and reduces the manufacturing cost. Specifically, through the cooperation of the C-shaped notch and the magnetic strip, the folded yarn 43 can be more stably fixed in the frame 1, reducing the increase in the width of the frame 1 caused by the hardware fittings, thereby realizing the anti-mosquito function without affecting the appearance.

[0040] Further, the movable end 433 of the folded yarn 43 is provided with a first magnetic strip 431, which is used to contact the second C-shaped notch 421.

[0041] Specifically, the first magnetic strip 431 can be realized in various ways, for example, it can be made of magnetic materials such as ferrite or neodymium iron boron, etc. These materials have strong magnetism, which can ensure stable contact between the movable end 433 of the folded yarn 43 and the second C-shaped notch 421. As a preferred embodiment, the first magnetic strip 431 can be embedded inside the movable end 433 of the folded yarn 43, or fixed on the surface of the movable end 433 of the folded yarn 43 by an adhesive. Further, the shape and size of the first magnetic strip 431 can be adjusted according to actual needs to ensure good matching with the second C-shaped notch 421.

[0042] Thus, the movable end 433 of the folding screen 43 is provided with a first magnetic strip 431, which enables the movable end 433 of the folding screen 43 to be stably in contact with the second C-shaped notch 421 through magnetic attraction, thereby ensuring the stability and mosquito-proof effect of the screen structure. The contact design of the first magnetic strip 431 and the second C-shaped notch 421 effectively solves the problem of unstable contact of the movable end 433 of the folding screen 43 with the notch, and improves the overall performance and service life of the screen. Compared with the prior art, the technical scheme of the present application not only solves the problem of unstable contact of the movable end 433 of the folding screen 43 with the notch, but also enhances the stability and mosquito-proof effect of the screen through magnetic attraction, thereby improving the overall performance and service life of the product.

[0043] Further, the second C-shaped notch 421 is provided with a second magnetic strip 422, which is used to contact the first magnetic strip 431.

[0044] Specifically, the second magnetic strip 422 can be fixed in the second C-shaped notch 421 in various ways. For example, the second magnetic strip 422 can be fixed at the bottom of the notch by an adhesive, or fixed on the side wall of the notch by a mechanical clamping device. As a preferred embodiment, the second magnetic strip 422 can be designed to be detachable to facilitate replacement or maintenance. In addition, the material of the second magnetic strip 422 can be selected to be an alloy with high magnetism and corrosion resistance to ensure its stability and reliability during long-term use.

[0045] Thus, the second magnetic strip 422 in the second C-shaped notch 421 is in contact with the first magnetic strip 431 in the first folding screen frame 41, enhancing the connection stability between the folding screen assembly and the frame 1. This magnetic connection method not only improves the convenience of connection, but also ensures the coverage effect of the folding screen 43 on the door leaf 2, further improving the effect of the mosquito-proof function. Compared with the prior art, the present application avoids the complexity and instability that may be caused by traditional mechanical connection methods, thereby simplifying the structure design and reducing the manufacturing cost while ensuring the function.

[0046] Further, the folding screen assembly is also provided with a guide plate 434, which is provided with at least a first mounting portion 435 fixed with the movable end 433 of the folding screen 43 for pulling the movable end 433 of the folding screen 43 to connect with the second C-shaped notch 421.

[0047] Specifically, the guide plate 434 can achieve its functions in multiple ways. For example, the guide plate 434 can be made of a metal material to ensure its strength and durability. The first mounting portion 435 of the guide plate 434 can be connected with the movable end 433 of the folding yarn 43 through screws, rivets or other fixing devices to ensure its stability. Further, the guide plate 434 can also be provided with a second mounting portion 436 for mounting the first magnetic strip 431 to enhance the connection stability of the folding yarn 43 with the second C-shaped notch 421.

[0048] Thus, the provision of the guide plate 434 and its first mounting portion 435 ensures the correct guidance and connection of the folding yarn 43 in the frame 1 by fixing the movable end 433 of the folding yarn 43, thereby solving the guidance and connection problem of the folding yarn assembly in the frame 1. Compared with the prior art, the technical solution of the present application not only simplifies the installation process of the folding yarn assembly, but also improves the stability of the guidance and connection of the folding yarn 43 in the frame 1, thereby improving the performance and service life of the overall product.

[0049] Further, the guide plate 434 is also provided with a second mounting portion 436 for mounting the first magnetic strip 431.

[0050] Specifically, the second mounting portion 436 can be designed as a groove structure, and the first magnetic strip 431 can be fixed in the groove through an adhesive or screws. As a preferred embodiment, the second mounting portion 436 can also be provided with a positioning hole for accurately positioning the position of the first magnetic strip 431 to ensure its stability in the folding yarn assembly. In addition, the second mounting portion 436 can also be designed as an adjustable structure to allow users to adjust the position of the first magnetic strip 431 according to actual needs, thereby improving the flexibility and adaptability of the installation.

[0051] Thus, the second mounting portion 436 of the guide plate 434 provides a special mounting position for the first magnetic strip 431, ensuring that the first magnetic strip 431 can be stably installed in the folding yarn assembly. This design simplifies the installation process of the first magnetic strip 431 and improves the stability and reliability of the installation, thereby solving the installation problem of the first magnetic strip 431 in the folding yarn assembly. Compared with the prior art, the technical solution of the present application not only simplifies the installation steps, but also improves the stability and reliability of the installation, which has significant technical advantages.

[0052] Further, the frame 1 includes an outdoor frame profile 11 and an indoor frame profile 12, and the folding yarn assembly is detachably arranged between the outdoor frame profile 11 and the indoor frame profile 12.

[0053] Specifically, the folding screen assembly can be implemented in a detachable manner in multiple ways. For example, the folding screen assembly can be fixed between the outdoor frame profile 11 and the indoor frame profile 12 by clamping, and screws can be arranged on the side or bottom of the profile to facilitate disassembly and installation. As a preferred embodiment, the folding screen assembly can also be detachably connected through a buckle structure, and quick disassembly and installation can be achieved by pressing or rotating. In addition, the folding screen assembly can also be detachably connected through a magnetic attraction structure, which can be arranged on the contact surface of the outdoor frame profile 11 and the indoor frame profile 12 to achieve stable connection through magnetic attraction.

[0054] Therefore, by arranging the folding screen assembly between the outdoor frame profile 11 and the indoor frame profile 12, the application achieves the effective anti-mosquito function without increasing the width of the frame 1. This design makes the folding screen assembly not need to occupy additional space of the frame 1, thereby reducing the width of the frame 1 profile and solving the problem of excessive space occupation of the frame 1 profile in the screen balcony casement door structure. Compared with the prior art, the application has the advantages of achieving the anti-mosquito function without increasing the width of the frame 1 profile, improving the practicability and aesthetics of the product, and reducing the manufacturing cost of the product.

[0055] Further, the door leaf 2 includes an indoor fan profile 22 and an outdoor fan profile 21, and the first sealing strip 51 is arranged at the connection between the outdoor frame profile 11 and the outdoor fan profile 21, and the second sealing strip 52 is arranged at the connection between the indoor frame profile 12 and the indoor fan profile 22, and the first sealing strip 51 and the second sealing strip 52 form a two-seal structure.

[0056] Specifically, the arrangement of the first sealing strip 51 and the second sealing strip 52 enhances the sealing performance between the door leaf 2 and the frame 1. As a preferred embodiment, the first sealing strip 51 and the second sealing strip 52 can be made of elastic material to ensure tight fitting when the door leaf 2 is closed, thereby effectively preventing air and moisture penetration.

[0057] Therefore, by arranging the detachable folding screen assembly in the frame 1 and arranging the sealing strip at the connection between the door leaf 2 and the frame 1 to form a two-seal structure, the application solves the problem of increased width of the frame 1 profile caused by the handle and other hardware fittings in the traditional screen casement door. This design not only reduces the width of the frame 1 profile, but also improves the sealing performance of the door, thereby reducing the manufacturing cost and improving the aesthetics of the product.

[0058] Further, the balcony casement door structure further includes a lower rail 3, and the lower rail 3 includes an outdoor rail profile 31 and an indoor rail profile 32, and the outdoor rail profile 31 and the indoor rail profile 32 are connected through a heat insulation strip 33.

[0059] Specifically, please refer to Figure 5 The arrangement of the heat insulation strip 33 not only enhances the heat insulation performance of the structure, but also reduces the width occupation of the frame 1 profile. As a preferred embodiment, the heat insulation strip 33 can be provided with a C-shaped notch for contacting the folding yarn 43, thereby further enhancing the anti-mosquito function. In addition, the material of the heat insulation strip 33 can be selected from materials with good heat insulation performance, such as polyurethane or polyamide, to ensure its heat insulation effect in actual application.

[0060] Further, the heat insulation strip 33 is provided with a C-shaped notch 34 for contacting the folding yarn 43.

[0061] Specifically, the first folding yarn frame 41 can be arranged in the frame 1 on the left side or the right side, or in the frame 1 on the top side.

[0062] The C-shaped notch 34 on the heat insulation strip 33 provides a contact point for the folding yarn 43, so that the folding yarn 43 can be in close contact with the heat insulation strip 33, thereby realizing the anti-mosquito function of the folding yarn 43 while ensuring the heat insulation effect. This design avoids adding extra width to the frame 1 profile, reduces the manufacturing cost, and maintains the overall aesthetics of the door. As a preferred embodiment, the shape and size of the C-shaped notch 34 can be adjusted according to the material and thickness of the folding yarn 43 to ensure the best contact effect. In addition, the material of the heat insulation strip 33 can be selected from materials with good heat insulation performance, such as polyurethane or nylon, to further enhance the heat insulation effect.

[0063] Therefore, the present application provides a C-shaped notch 34 on the heat insulation strip 33 of the lower rail 3, so that the folding yarn 43 can contact the heat insulation strip 33, thereby realizing the anti-mosquito function of the folding yarn 43 while ensuring the heat insulation effect. This design avoids adding extra width to the frame 1 profile, reduces the manufacturing cost, and maintains the overall aesthetics of the door. Compared with the prior art, the design of the present application not only solves the problem of contact between the heat insulation strip 33 and the folding yarn 43 in the folding door structure with a yarn screen, but also significantly reduces the manufacturing cost and improves the overall aesthetics of the product.

[0064] The above is only an embodiment of the present application and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A screen balcony casement door structure, characterized by, The folding screen assembly comprises a frame (1) and a folding screen assembly detachably mounted in the frame (1), The folding screen assembly is arranged in a gap between the frame (1) and the door leaf (2), and comprises at least a first folding screen frame (41) and a second folding screen frame (42) detachably mounted in the frame (1). The first folding screen frame (41) is arranged opposite to the second folding screen frame (42), and a retractable folding screen (43) is arranged in the first folding screen frame (41) and in contact with the second folding screen frame (42) to cover the door leaf (2) and form a mosquito-proof screen structure.

2. A screen balcony casement door structure according to claim 1, characterized in that, The first folding screen frame (41) and the second folding screen frame (42) are respectively provided with a first C-shaped notch (411) and a second C-shaped notch (421) facing each other. The folding screen (43) comprises at least a fixed end (432) and a movable end (433), the fixed end (432) is fixed in the first C-shaped notch (411), and the movable end (433) is used for contacting the second C-shaped notch (421).

3. A screen door construction for a sliding patio door according to claim 2 wherein, The movable end (433) of the folding screen (43) is provided with a first magnetic strip (431), and the first magnetic strip (431) is used for contacting the second C-shaped notch (421).

4. A screen door construction for a sliding patio door according to claim 3 wherein, The second C-shaped notch (421) is provided with a second magnetic strip (422), and the second magnetic strip (422) is used for contacting the first magnetic strip (431).

5. A screen door construction for a sliding patio door according to claim 4 wherein, The folding screen assembly is further provided with a guide plate (434), and the guide plate (434) is provided with at least a first mounting portion (435), the first mounting portion (435) is fixed with the movable end (433) of the folding screen (43) and is used for connecting the movable end (433) of the folding screen (43) with the second C-shaped notch (421).

6. A screen door construction according to claim 5 wherein, The guide plate (434) is further provided with a second mounting portion (436), and the second mounting portion (436) is used for mounting the first magnetic strip (431).

7. A screen balcony casement door structure according to claim 1, wherein The frame (1) comprises an outdoor frame profile (11) and an indoor frame profile (12), and the folding screen assembly is detachably arranged between the outdoor frame profile (11) and the indoor frame profile (12).

8. A screen door construction according to claim 7 wherein, The door leaf (2) comprises an indoor leaf profile (22) and an outdoor leaf profile (21), a first sealing strip (51) is arranged at the connection between the outdoor frame profile (11) and the outdoor leaf profile (21), and a second sealing strip (52) is arranged at the connection between the indoor frame profile (12) and the indoor leaf profile (22), so as to form a double-sealing structure.

9. A screen balcony casement door structure according to claim 1, characterized in that, The balcony casement door structure further comprises a lower rail (3), the lower rail (3) comprises an outdoor rail profile (31) and an indoor rail profile (32), and the outdoor rail profile (31) and the indoor rail profile (32) are connected through a heat insulation strip (33).

10. A screen door construction for a sliding patio door according to claim 9 wherein, A C-shaped notch (34) is arranged on the heat insulation strip (33) and is used for contacting the folding screen (43).

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