Passive aluminum-wood armored door

Abstract

The utility model discloses a passive aluminium -wood armored door, including the door pocket and the door leaf, the door pocket is fixed in the inner edge of wall body door hole and forms the installation space for installing the door leaf, the door leaf is rotated and is connected with the door pocket through the hinge, its characterized in that, the door leaf periphery is fixed with the buckle edge, the buckle edge is equipped with the sealing assembly, the sealing assembly includes the sealing strip I and the sealing strip II of being equipped with in the two sides of buckle edge inside and outside, make the sealing strip I and the sealing strip II between the sealed storehouse when the door leaf and the door pocket cooperation close, block the transmission of heat, the door leaf includes the door core, the indoor outside two sides of door core all are fixed with the cold rolled steel sheet for supporting the door core.

Description

Technical Field

[0001] This utility model belongs to the field of passive door technology, and in particular relates to a passive aluminum-wood armored door. Background Technology

[0002] Currently, although cast aluminum doors and similar products have relatively complete structures, existing aluminum profile processes do not form a true partition and heat insulation cavity, which cannot fully meet the heat insulation requirements.

[0003] A patent with publication number CN110242156A discloses a passive ultra-low energy consumption door and window, comprising a pre-installed frame fixed to the outer side of an inner wall and a door / window frame. The inner hole of the pre-installed frame is smaller than the reserved opening on the wall for installing the door / window. The door / window frame is fixedly fitted with an installation frame. Each side panel of the pre-installed frame has a strip groove on its inner side, and each side panel has at least one installation groove communicating with the strip groove on that side panel. A fixing mechanism is installed in each installation groove. A drive plate is slidably inserted into the strip groove. The drive plate has an inclined surface on the side facing the inner hole of the pre-installed frame, which is inclined towards the interior of the pre-installed frame. The drive plate is fixed with an extension extending into the installation groove. The connecting rod in the mounting groove, the fixing mechanism includes a middle rod, a drive rod, and a clamping rod. The middle part of the drive rod is mounted on the wall of the mounting groove via a rotating shaft. One end of the middle rod is rotatably connected to the connecting rod, and the other end is rotatably connected to the drive rod. The middle part of the clamping rod is rotatably connected to the wall of the mounting groove via a rotating pin. The clamping rod is inclined and its end facing the drive rod is in contact with the drive rod. A pawl structure is connected to the rotating shaft. The drive plate moves into the strip groove, causing the drive rod to rotate in the same direction as the pawl structure. The outer side of the door and window frame is provided with clamping grooves that are the same number and position as the mounting grooves. Insulated glass is installed inside the door and window frame. This structure mainly relies on insulated glass for thermal insulation, which is difficult to apply to passive doors and has low fire resistance. Therefore, it is necessary to provide a passive aluminum-wood armored door to solve the above problems. Summary of the Invention

[0004] The purpose of this invention is to design a passive aluminum-wood armored door with high fire resistance to overcome the shortcomings of the above-mentioned technologies.

[0005] To address the aforementioned problems, this utility model proposes a passive aluminum-wood armored door, comprising a door frame and a door leaf. The door frame is fixed to the inner edge of a doorway in the wall to form an installation space for installing the door leaf. The door leaf is rotatably connected to the door frame via hinges. The door leaf is characterized by having a retaining edge fixed around its perimeter, within which a sealing component is provided. The sealing component includes sealing strip I and sealing strip II located on the inner and outer sides of the retaining edge, forming a sealed chamber between sealing strip I and sealing strip II when the door leaf and door frame are closed, blocking heat transmission. The door leaf includes a door core, with cold-rolled steel plates fixed to both the inner and outer sides of the door core for support.

[0006] As a further solution of this utility model, a wooden panel is fixed to the outside of the cold-rolled steel plate on the indoor side, and a decorative aluminum plate I is fixed to the outside of the cold-rolled steel plate on the outdoor side, in order to delay the spread of fire.

[0007] As a further solution of this utility model, the decorative aluminum plate I is a cold-carved aluminum plate, and the door core is a fireproof perlite door core.

[0008] As a further solution of this utility model, the door frame includes a flame-retardant wooden frame, the outer surface of which is wrapped with a decorative aluminum plate II, and the decorative aluminum plate II is fixed to the flame-retardant wooden frame with screws.

[0009] As a further solution of this utility model, the buckle is made of aluminum, and sealing holes are opened on the inner and outer sides of the buckle. Bolts pass through the sealing holes and connect with the door core to fix the buckle to the door core. The sealing strip I 401 and sealing strip II 402 are respectively inserted into the sealing holes 603 on the inner and outer sides of the buckle 6. The sealing strip I and sealing strip II are recessed at the contact ends with the bolt head.

[0010] As a further solution of this utility model, a reinforcing groove is provided inside the buckle, and a reinforcing member is fastened in the reinforcing groove. A sound insulation column is fixed on the side of the reinforcing groove. A sound insulation hole is opened inside the sound insulation column and the sound insulation hole passes through the sound insulation column. The reinforcing member is U-shaped, and the reinforcing member and the reinforcing groove are fastened to form a whole with thickness.

[0011] As a further solution of this utility model, the inner and outer ends of the buckle are bent to form stop strips respectively. The wooden panel and the decorative aluminum plate I are provided with abutment grooves at the points where they abut against the stop strips. The stop strips abut against the abutment grooves to facilitate the positioning of the installation position during buckle installation.

[0012] As a further solution of this utility model, a first groove is opened on the inner side of the decorative aluminum plate II. The first groove is located inside the buckle strip and is used to pass through the anti-collision strip. When the door is closed, the sealing strip I abuts against the anti-collision strip, which improves the sealing performance of the door leaf and provides a buffer function, making the door more stable during opening and closing and reducing noise and wear.

[0013] As a further solution of this utility model, the decorative aluminum plate II has a second groove on its outer side, and the decorative aluminum plate I and the stop strip on the outer side of the buckle both extend into the second groove to play a role in dust prevention. When the door is closed, the sealing strip II abuts against the inner edge of the second groove.

[0014] As a further solution of this utility model, the sealing strip I and sealing strip II are fire-resistant expanding sealing strips. The fire-resistant expanding sealing strips are made of expanded graphite. When a fire occurs, the fire-resistant expanding sealing strips expand rapidly when heated, filling the gap between the door leaf and the door frame, further enhancing the sealing and fire resistance of the door leaf.

[0015] In summary, this utility model has at least one of the following beneficial technical effects:

[0016] First, this utility model describes a passive aluminum-wood armored door, which has a five-layer composite structure including an interior wooden panel, an interior cold-rolled steel plate layer, a fireproof perlite core, an exterior cold-rolled steel plate layer, and an exterior finely carved aluminum panel. This increases the strength of the door and improves its fire resistance. The wood on the inner surface provides better heat insulation.

[0017] Secondly, this utility model describes a passive aluminum-wood armored door, which describes that the inner side of the decorative aluminum plate II is respectively opened with a first groove. The first groove is located inside the buckle strip and is used to pass through the first groove. When the door is closed, the sealing strip I abuts against the anti-collision strip, which improves the sealing performance of the door leaf and also provides a buffer function, making the door more stable during opening and closing, and reducing noise and wear.

[0018] Thirdly, this utility model describes a passive aluminum-wood armored door, which features double sealing strips to improve the door's sealing performance. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of a passive aluminum-wood armored door according to this utility model;

[0020] Figure 2 This utility model relates to a passive aluminum-wood armored door. Figure 1 A schematic diagram of the cross-section at point A;

[0021] Figure 3 This utility model relates to a passive aluminum-wood armored door. Figure 1 A schematic diagram of the cross-section at point B;

[0022] Figure 4 This utility model relates to a passive aluminum-wood armored door. Figure 2 A magnified view of a portion at point C;

[0023] Figure 5 This is a schematic diagram of the snap-fit ​​structure of Embodiment 1 of the passive aluminum-wood armored door of this utility model;

[0024] Figure 6 This is a schematic diagram of the snap-fit ​​structure of Embodiment 2 of the passive aluminum-wood armored door of this utility model.

[0025] Reference numerals: 1. Door frame; 101. Flame-retardant wooden frame; 102. Decorative aluminum plate II; 1021. First groove; 1022. Second groove; 2. Door leaf; 201. Wooden panel; 202. Cold-rolled steel plate; 203. Door core; 204. Decorative aluminum plate I; 3. Hinge; 4. Sealing assembly; 401. Sealing strip I; 402. Sealing strip II; 5. Anti-collision strip; 6. Edge trim; 601. Stop strip; 602. Reinforcing groove; 603. Sealing hole; 604. Pressure strip; 605. Sound insulation post; 606. Sound insulation hole; 607. Limiting post; 7. Reinforcing component; 8. Abutment groove. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0027] Example 1:

[0028] like Figures 1 to 5 As shown in the figure, this embodiment describes a passive aluminum-wood armored door, including a door frame 1 and a door leaf 2. The door frame 1 is fixed to the inner edge of the door opening in the wall to form an installation space for installing the door leaf 2. The door leaf 2 is rotatably connected to the door frame 1 via a hinge 3. A sealing component 4 is provided in the snap-edge 6. The sealing component 4 includes a sealing strip I 401 and a sealing strip II 402 provided on the inner and outer sides of the snap-edge 6, so that when the door leaf 2 and the door frame 1 are closed, a sealing chamber is formed between the sealing strip I 401 and the sealing strip II 402 to block the transmission of heat. The door leaf 2 includes a door core 203. Cold-rolled steel plates 202 are fixed on both the inner and outer sides of the door core 203 to support the door core 203, improve the fire resistance of the wooden door and the strength of the door core 203, and delay the deformation of the door core 203 caused by heat.

[0029] A wooden panel 201 is fixed to the outside of the cold-rolled steel plate 202 on the indoor side to improve the aesthetics of the indoor side of the door leaf 2. A decorative aluminum plate I 204 is fixed to the outside of the cold-rolled steel plate 202 on the outdoor side to delay the spread of fire. The melting point of aluminum is about 660℃. The decorative aluminum plate I 204, as an external covering layer, can block flames and delay the spread of fire in a short period of time.

[0030] The decorative aluminum plate I204 is a cold-carved aluminum plate, which enhances the aesthetics of the exterior of the door leaf 2. The door core 203 is a fireproof perlite door core 203.

[0031] The door frame 1 includes a flame-retardant wooden frame 101, and the outer surface of the flame-retardant wooden frame 101 is covered with a decorative aluminum plate II 102. The decorative aluminum plate II 102 is fixed to the flame-retardant wooden frame 101 by screws. The decorative aluminum plate II 102 serves to decorate the flame-retardant wooden frame 101 and improve the aesthetics of the door frame 1.

[0032] The buckle 6 is made of aluminum. Sealing holes 603 are opened on the inner and outer sides of the buckle 6. Bolts pass through the sealing holes 603 and connect with the door core 203 to fix the buckle 6 to the door core 203. The sealing strip I 401 and sealing strip II 402 are respectively inserted into the sealing holes 603 on the inner and outer sides of the buckle 6. The contact ends of the sealing strip I 401 and sealing strip II 402 with the bolt head are recessed to facilitate the bolt head to pass through during insertion.

[0033] The buckle 6 has a reinforcing groove 602 inside, and a reinforcing member 7 is fastened in the reinforcing groove 602. A sound insulation column 605 is fixed on the side of the reinforcing groove 602. The sound insulation column 605 has a sound insulation hole 606 inside, and the sound insulation hole 606 passes through the sound insulation column 605. The reinforcing member 7 is U-shaped. The reinforcing member 7 and the reinforcing groove 602 are fastened to form a whole with thickness to increase the stability of the buckle 6.

[0034] The flat surface of the reinforcement member 7 abuts against the perimeter of the door leaf 2. The opening of the reinforcement groove 602 of the fastening edge 6 faces the edge of the door leaf 2, and a pressure strip 604 that abuts against the end of the reinforcement member 7 is fixed inside the reinforcement groove 602, so that the reinforcement groove 602 and the reinforcement member 7 are stably fastened together.

[0035] The inner and outer ends of the buckle 6 are bent to form stop strips 601 respectively. The wooden panel 201 and the decorative aluminum plate I 204 are both provided with abutment grooves 8 at the points where they abut against the stop strips 601. The stop strips 601 abut against the abutment grooves 8, which facilitates the positioning of the installation position when the buckle 6 is installed.

[0036] The decorative aluminum plate II 102 has a first groove 1021 on its inner side. The first groove 1021 is located inside the buckle strip and is used to pass through the anti-collision strip 5. When the door is closed, the sealing strip I 401 abuts against the anti-collision strip 5, which improves the sealing performance of the door leaf 2 and also provides a buffer function, making the door more stable during opening and closing and reducing noise and wear.

[0037] The decorative aluminum plate II 102 has a second groove 1022 on its outer side. The decorative aluminum plate I 204 and the stop strip 601 on the outer side of the buckle 6 both extend into the second groove 1022 to prevent dust. When the door is closed, the sealing strip II 402 abuts against the inner edge of the second groove 1022.

[0038] The sealing strips I 401 and II 402 are fire-resistant expanding sealing strips made of expanded graphite. When a fire occurs, the sealing strips I 401 and II 402 expand rapidly when heated, filling the gap between the door leaf 2 and the door frame 1, further enhancing the sealing and fire resistance of the door leaf 2.

[0039] The working principle of the passive aluminum-wood armored door provided by this utility model is as follows:

[0040] When the door leaf 2 and the door frame 1 are closed, the door leaf 2 is rotatably connected to the door frame 1 through the hinge 3. A sealing chamber is formed between the sealing strip I 401 and the sealing strip II 402 to block the transmission of heat. The sealing strip I 401 abuts against the anti-collision strip 5, which improves the sealing performance of the door leaf 2 and also provides a buffer function, making the door more stable during opening and closing and reducing noise and wear.

[0041] Example 2:

[0042] like Figure 6 As shown, the passive aluminum-wood armored door described in this embodiment differs from Embodiment 1 in that: the reinforcing groove 602 of the buckle 6 opens towards the door frame 1, one side of the buckle 6 extends towards the door frame 1 to form a limiting post 607, the sound insulation post 605 protrudes towards the door frame 1, the limiting post 607 and the sound insulation post 605 cooperate to restrict the reinforcement 7 within the reinforcing groove 602, and the buckle strip and the reinforcement 7 are fixed by adhesive or screws.

[0043] This utility model is not limited to the above-described preferred embodiments. Anyone can derive other forms of products under the guidance of this utility model. However, regardless of any changes made in their shape or structure, any technical solution that is the same as or similar to this application falls within the protection scope of this utility model.

Claims

1. A passive aluminum-wood armored door, comprising a door frame (1) and a door leaf (2), wherein the door frame (1) is fixed to the inner edge of a door opening in a wall to form an installation space for installing the door leaf (2), and the door leaf (2) is rotatably connected to the door frame (1) via a hinge (3), characterized in that, The door leaf (2) is fixed with a snap-edge (6) around its perimeter. A sealing component (4) is provided inside the snap-edge (6). The sealing component (4) includes a sealing strip I (401) and a sealing strip II (402) on the inner and outer sides of the snap-edge (6). When the door leaf (2) is closed with the door frame (1), a sealing chamber is formed between the sealing strip I (401) and the sealing strip II (402) to block the transmission of heat. The door leaf (2) includes a door core (203). Cold-rolled steel plates (202) are fixed on both the inner and outer sides of the door core (203) to support the door core (203).

2. A passive aluminum-wood armored door according to claim 1, characterized in that: The cold-rolled steel sheet (202) on the indoor side is fixed with a wooden panel (201), and the cold-rolled steel sheet (202) on the outdoor side is fixed with a decorative aluminum panel I (204).

3. A passive aluminum-wood armored door according to claim 2, characterized in that... The decorative aluminum panel I (204) is a cold-carved aluminum panel, and the door core (203) is a fireproof perlite door core (203).

4. A passive aluminum-wood armored door according to claim 1, characterized in that, The door frame (1) includes a flame-retardant wooden frame (101), the outer surface of which is covered with a decorative aluminum plate II (102), which is fixed to the flame-retardant wooden frame (101) by screws.

5. A passive aluminum-wood armored door according to claim 3 or 4, characterized in that, The buckle (6) is made of aluminum. Sealing holes (603) are opened on the inner and outer sides of the buckle (6). Bolts pass through the sealing holes (603) and connect with the door core (203) to fix the buckle (6) to the door core (203). The sealing strip I (401) and sealing strip II (402) are respectively inserted into the sealing holes (603) on the inner and outer sides of the buckle (6). The sealing strip I (401) and sealing strip II (402) are recessed at the contact end with the bolt head.

6. A passive aluminum-wood armored door according to claim 5, characterized in that, The buckle (6) has a reinforcing groove (602) inside, and a reinforcing member (7) is fastened in the reinforcing groove (602). A sound insulation column (605) is fixed on the side of the reinforcing groove (602). A sound insulation hole (606) is opened inside the sound insulation column (605). The sound insulation hole (606) passes through the sound insulation column (605). The reinforcing member (7) is U-shaped. The reinforcing member (7) and the reinforcing groove (602) are fastened together to form a whole with thickness.

7. A passive aluminum-wood armored door according to claim 6, characterized in that, The inner and outer ends of the buckle (6) are bent to form stop strips (601). The wooden panel (201) and the decorative aluminum plate I (204) are provided with abutment grooves (8) at the points where they meet the stop strips (601). The stop strips (601) abut in the abutment grooves (8) to facilitate the positioning of the buckle (6) during installation.

8. A passive aluminum-wood armored door according to claim 5, characterized in that, The decorative aluminum plate II (102) has a first slot (1021) on its inner side. The first slot (1021) is located inside the buckle strip. The first slot (1021) is used to pass through the anti-collision strip (5). When the door is closed, the sealing strip I (401) abuts against the anti-collision strip (5).

9. A passive aluminum-wood armored door according to claim 8, characterized in that, The decorative aluminum plate II (102) has a second groove (1022) on its outer side. The stop strip (601) on the outer side of the decorative aluminum plate I (204) and the buckle (6) extends into the second groove (1022) to prevent dust. When the door is closed, the sealing strip II (402) abuts against the inner edge of the second groove (1022).

10. A passive aluminum-wood armored door according to claim 8, characterized in that, The sealing strip I (401) and sealing strip II (402) are fire-resistant expansion sealing strips, and the material of the fire-resistant expansion sealing strips is expanded graphite.

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