A passive entrance door structure with a detachable panel made of thermally broken aluminum.

Abstract

This utility model relates to the field of aluminum alloy door and window technology, specifically disclosing a passive entrance door structure with a detachable panel made of thermally broken aluminum alloy. It includes an outer frame, an inner frame, and a panel structure. The outer frame is used to connect to the wall and includes a first profile and a second profile, with a first polyurethane foam layer between the first and second profiles. The inner frame is hinged to the outer frame and includes a third profile and a fourth profile. The third profile and the first profile are located on the same side, and the fourth profile and the second profile are located on the same side, with a second polyurethane foam layer between the third and fourth profiles. Fasteners are detachably installed on the inner frame, and the panel structure is fixed to the inner frame by the fasteners. This utility model allows for the hinged inner frame to the outer frame, enabling misalignment and separation between the inner and outer frames. The fasteners facilitate the installation and disassembly of the panel structure, making it easier to replace and significantly reducing maintenance costs.

Description

Technical Field

[0001] This utility model relates to the field of aluminum alloy door and window technology, and in particular to a thermally broken aluminum passive entrance door structure with a detachable panel. Background Technology

[0002] Thermally broken aluminum windows and doors are a type of aluminum alloy window and door with heat insulation and thermal preservation functions. They incorporate thermal break strips inside the aluminum profile, effectively blocking the conduction of indoor and outdoor temperatures, achieving energy-saving and heat-insulating effects.

[0003] Most existing thermally broken aluminum doors are installed with the door panel and door frame as a whole. When the decoration style changes or the panel oxidizes, discolors, or gets scratched, the door panel cannot be replaced separately, so the intact door frame must be discarded. Moreover, replacing the entire door may affect the wall structure and require adjustments to the surrounding decoration, increasing unnecessary costs.

[0004] Therefore, there is an urgent need to provide a passive entrance door structure with a detachable panel made of thermally broken aluminum, which can solve the problems listed in the prior art by simply replacing the panel, thereby reducing additional expenses. Utility Model Content

[0005] The purpose of this invention is to provide a passive entrance door structure with a detachable panel made of thermally broken aluminum to solve the problems existing in the prior art.

[0006] To achieve the above objectives, this utility model provides a passive entrance door structure with a detachable panel made of thermally broken aluminum, comprising:

[0007] The outer frame is used to connect with the wall. The outer frame includes a first profile and a second profile, and a first polyurethane foam layer is provided between the first profile and the second profile.

[0008] The inner frame is hinged to the outer frame. The inner frame includes a third profile and a fourth profile. The third profile and the first profile are disposed on the same side. The fourth profile and the second profile are disposed on the same side. A second polyurethane foam layer is disposed between the third profile and the fourth profile.

[0009] The panel structure has fasteners that can be detachably installed on the inner frame, and the panel structure is fixed to the inner frame by the fasteners.

[0010] Preferably, a first slot is provided on the opposite side of the first profile and the second profile, two first heat insulation strips are provided between the first profile and the second profile, and a first clip is provided on both sides of the first heat insulation strip, the first clip being adapted to the first slot; the first polyurethane foam layer is disposed between the two first heat insulation strips.

[0011] Preferably, the third profile and the fourth profile are provided with a second slot on opposite sides, and two second heat insulation strips are provided between the third profile and the fourth profile. The second heat insulation strips are provided with second clips on both sides, and the second clips are adapted to the second slots. The second polyurethane foam layer is provided between the two second heat insulation strips.

[0012] Preferably, a first sealing strip and a second sealing strip are disposed opposite to each other between the inner frame and the outer frame. The first sealing strip is snapped between the first profile and the second profile, and is disposed on the side of the outer frame closer to the inner frame. The second sealing strip is snapped between the third profile and the fourth profile, and is disposed on the side of the inner frame closer to the outer frame. The second sealing strip has a protrusion, and the second sealing strip and the protrusion are integrally formed. The first sealing strip and the protrusion are interference-fitted.

[0013] Preferably, a third sealing strip is provided between the inner frame and the outer frame. One end of the third sealing strip is snapped onto the first profile, and the other end of the third sealing strip is a deformable end, which is interference-fitted with the third profile.

[0014] Preferably, the fastener includes an inner fastener and an outer fastener. The inner fastener is connected to the third profile by screws, and the outer fastener is connected to the fourth profile by screws. A fourth sealing strip is provided between the outer fastener and the fourth profile. One end of the fourth sealing strip is disposed in the groove formed between the outer fastener and the fourth profile. The outer fastener and the fourth profile are interference-fitted by the fourth sealing strip, and the other end of the fourth sealing strip is sealed to the second profile.

[0015] Preferably, the panel structure includes a graphite polystyrene board, with an inner steel plate and a decorative panel arranged sequentially on both sides of the graphite polystyrene board, and a decorative panel arranged on the outer side of the decorative panel located on one side of the fourth profile; the two inner steel plates are respectively fixedly connected to the third profile and the fourth profile, and the decorative panel and the decorative panel are both fixed to the inner frame by the fasteners.

[0016] Compared with the prior art, the present invention has the following advantages and technical effects:

[0017] This utility model provides a detachable panel thermally broken aluminum passive entrance door structure. The inner frame is hinged to the outer frame, ensuring a firm connection between the inner and outer frames while allowing for misalignment and separation between them. The fasteners facilitate both installation and disassembly of the panel structure, enabling easy replacement without replacing the entire door to match new interior design styles. It offers a variety of panel colors and textures, and damaged panels can be directly replaced without re-addressing the door frame installation, significantly reducing maintenance costs. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a cross-sectional schematic diagram of the thermally broken aluminum passive entrance door structure with a detachable panel according to this utility model.

[0020] In the diagram: 1. First profile; 2. Second profile; 3. First polyurethane foam layer; 4. Third profile; 5. Fourth profile; 6. Second polyurethane foam layer; 8. First thermal insulation strip; 9. Second thermal insulation strip; 10. First sealing strip; 11. Second sealing strip; 12. Protrusion; 13. Third sealing strip; 14. Inner fastener; 15. Outer fastener; 16. Fourth sealing strip; 18. Graphite polystyrene board; 19. Inner steel plate of the fan; 20. Decorative panel; 21. Decorative board. Detailed Implementation

[0021] It should be noted that, unless otherwise specified, the embodiments and features described in this utility model can be combined with each other. The described embodiments are merely some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0022] like Figure 1 As shown, this utility model provides a passive entrance door structure with a detachable panel made of thermally broken aluminum, comprising:

[0023] The outer frame is used to connect with the wall. The outer frame includes a first profile 1 and a second profile 2. A first polyurethane foam layer 3 is provided between the first profile 1 and the second profile 2.

[0024] The inner frame is hinged to the outer frame. The inner frame includes a third profile 4 and a fourth profile 5. The third profile 4 and the first profile 1 are located on the same side. The fourth profile 5 and the second profile 2 are located on the same side. A second polyurethane foam layer 6 is provided between the third profile 4 and the fourth profile 5.

[0025] The panel structure has fasteners that can be detachably installed on the inner frame, and the panel structure is fixed to the inner frame by the fasteners.

[0026] The scheme is further optimized as follows: a first slot is provided on the opposite side of the first profile 1 and the second profile 2; two first heat insulation strips 8 are provided between the first profile 1 and the second profile 2; a first clip is provided on both sides of the first heat insulation strip 8; the first clip is adapted to the first slot; and a first polyurethane foam layer 3 is provided between the two first heat insulation strips 8.

[0027] The scheme is further optimized by providing a second slot on the opposite side of the third profile 4 and the fourth profile 5, and providing two second heat insulation strips 9 between the third profile 4 and the fourth profile 5. A second clip is provided on both sides of the second heat insulation strip 9, and the second clip is adapted to the second slot. The second polyurethane foam layer 6 is provided between the two second heat insulation strips 9.

[0028] In a further optimized design, a first sealing strip 10 and a second sealing strip 11 are disposed opposite to each other between the inner frame and the outer frame. The first sealing strip 10 is snapped between the first profile 1 and the second profile 2, and is disposed on the side of the outer frame closer to the inner frame. The second sealing strip 11 is snapped between the third profile 4 and the fourth profile 5, and is disposed on the side of the inner frame closer to the outer frame. A protrusion 12 is provided on the second sealing strip 11, and the second sealing strip 11 and the protrusion 12 are integrally formed, with the first sealing strip 10 and the protrusion 12 having an interference fit.

[0029] In a further optimized design, a third sealing strip 13 is provided between the inner frame and the outer frame. One end of the third sealing strip 13 is snapped onto the first profile 1, and the other end of the third sealing strip 13 is a deformable end, which is interference-fitted with the third profile 4.

[0030] The design is further optimized. The fastener includes an inner fastener 14 and an outer fastener 15. The inner fastener 14 is connected to the third profile 4 by screws, and the outer fastener 15 is connected to the fourth profile 5 by screws. A fourth sealing strip 16 is provided between the outer fastener 15 and the fourth profile 5. One end of the fourth sealing strip 16 is located in the groove formed between the outer fastener 15 and the fourth profile 5. The outer fastener 15 and the fourth profile 5 are press-fitted by the fourth sealing strip 16, and the other end of the fourth sealing strip 16 is sealed to the second profile 2.

[0031] The scheme is further optimized. The panel structure includes a graphite polystyrene board 18. On both sides of the graphite polystyrene board 18, there are inner steel plates 19 and decorative panels 20 arranged in sequence. On the outer side of the decorative panel 20 located on the fourth profile 5, there is a decorative panel 21. The two inner steel plates 19 are fixedly connected to the third profile 4 and the fourth profile 5 respectively. The decorative panels 20 and the decorative panels 21 are both fixed to the inner frame by fasteners.

[0032] The present invention provides a detachable panel passive entrance door structure made of thermally broken aluminum. The panel structure is installed in the inner frame composed of the third profile 4 and the fourth profile 5. The graphite polystyrene board 18 in the panel structure is installed and fixed by two inner steel plates 19. The decorative panel 20 on the inner side of the entrance door is limited and fixed by the inner fastener 14, which is connected to the third profile 4 by screws. The outer fastener 15 is connected to the fourth profile 5 by screws. The decorative panel 20 and the decorative panel 21 on the outer side of the entrance door are limited and fixed by the outer fastener 15. The outer fastener 15 is snapped into the groove formed between the outer fastener 15 and the fourth profile 5 by the fourth sealing strip 16. Both the inner fastener 14 and the outer fastener 15 are installed in a detachable manner, which facilitates the disassembly and replacement of the decorative panel 20 and the decorative panel 21 in the future. The inner frame and outer frame are sealed together by a first sealing strip 10, a second sealing strip 11, a third sealing strip 13, and a fourth sealing strip 16. This ensures a secure connection between the inner and outer frames via hinges while achieving a tight seal. Furthermore, the outer frame conceals the fourth sealing strip 16 and the screws connecting the inner fastener 14, enhancing the aesthetics of the entrance door. The first polyurethane foam layer 3 and the second polyurethane foam layer 6 effectively insulate the temperature between the inside and outside of the door, achieving energy-saving and heat-insulating effects.

[0033] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the scope of protection of this utility model.

Claims

1. A demountable panel, broken bridge, aluminium, passive entry door structure, characterised in that, include: The outer frame is used to connect with the wall. The outer frame includes a first profile (1) and a second profile (2). A first polyurethane foam layer (3) is provided between the first profile (1) and the second profile (2). The inner frame is hinged to the outer frame. The inner frame includes a third profile (4) and a fourth profile (5). The third profile (4) is disposed on the same side as the first profile (1), and the fourth profile (5) is disposed on the same side as the second profile (2). A second polyurethane foam layer (6) is disposed between the third profile (4) and the fourth profile (5). The panel structure has fasteners that can be detachably installed on the inner frame, and the panel structure is fixed to the inner frame by the fasteners.

2. The demountable panel thermally broken aluminum passive entry door structure of claim 1, wherein, The first profile (1) and the second profile (2) are provided with a first slot on opposite sides. Two first heat insulation strips (8) are provided between the first profile (1) and the second profile (2). A first clip is provided on both sides of the first heat insulation strip (8). The first clip is adapted to the first slot. The first polyurethane foam layer (3) is provided between the two first heat insulation strips (8).

3. The demountable panel thermally broken aluminum passive entry door structure of claim 1, wherein, The third profile (4) and the fourth profile (5) are provided with a second slot on the opposite side of each other. Two second heat insulation strips (9) are provided between the third profile (4) and the fourth profile (5). Two second clips are provided on both sides of the second heat insulation strips (9). The second clips are adapted to the second slots. The second polyurethane foam layer (6) is provided between the two second heat insulation strips (9).

4. The demountable panel thermally broken aluminum passive entry door structure of claim 1, wherein, A first sealing strip (10) and a second sealing strip (11) are disposed opposite to each other between the inner frame and the outer frame. The first sealing strip (10) is snapped between the first profile (1) and the second profile (2), and the first sealing strip (10) is disposed on the side of the outer frame close to the inner frame. The second sealing strip (11) is snapped between the third profile (4) and the fourth profile (5), and the second sealing strip (11) is disposed on the side of the inner frame close to the outer frame. A protrusion (12) is provided on the second sealing strip (11), and the second sealing strip (11) and the protrusion (12) are integrally formed. The first sealing strip (10) and the protrusion (12) are interference fit.

5. The demountable panel thermally broken aluminum passive entry door structure of claim 4, wherein, A third sealing strip (13) is provided between the inner frame and the outer frame. One end of the third sealing strip (13) is snapped onto the first profile (1), and the other end of the third sealing strip (13) is a deformable end, which is interference-fitted with the third profile (4).

6. The demountable panel, broken-bridge, aluminum, passive entry door structure of claim 1, wherein, The fastener includes an inner fastener (14) and an outer fastener (15). The inner fastener (14) is connected to the third profile (4) by screws, and the outer fastener (15) is connected to the fourth profile (5) by screws. A fourth sealing strip (16) is provided between the outer fastener (15) and the fourth profile (5). One end of the fourth sealing strip (16) is provided in the groove formed between the outer fastener (15) and the fourth profile (5). The outer fastener (15) and the fourth profile (5) are press-fitted by the fourth sealing strip (16), and the other end of the fourth sealing strip (16) is sealed to the second profile (2).

7. The demountable panel, broken-bridge, aluminum, passive entry door structure of claim 1, wherein, The panel structure includes a graphite polystyrene board (18), on both sides of which are arranged an inner steel plate (19) and a decorative panel (20). A decorative panel (21) is arranged on the outer side of the decorative panel (20) located on the side of the fourth profile (5). The two inner steel plates (19) are respectively fixedly connected to the third profile (4) and the fourth profile (5). The decorative panel (20) and the decorative panel (21) are both fixed to the inner frame by the fasteners.

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