High-strength composite fireproof door

Abstract

The utility model relates to a high-strength composite fireproof door, and relates to the field of fireproof doors. The door comprises a door frame, a door plate is arranged on the inner side of the door frame, the left side of the door plate is rotationally connected with the door frame through hinges, a flange is fixed to the end opening, close to the rear side, in the door frame, and a metal frame capable of being elastically ejected out towards the front side is installed on the face, facing the door plate, of the flange. Outer metal plates are installed on the inner sides of the front frame and the rear frame, and a plurality of evenly-distributed supporting columns are installed between the two outer metal plates. The front side of the metal frame elastically abuts against the rear side face of the door plate so that a gap between the door plate and the door frame can be sealed, meanwhile, the metal frame has good high-temperature resistance, meanwhile, the aging condition is avoided, and therefore the sealing performance of the protective door is better guaranteed; meanwhile, the frames on the two sides are sleeved and hung through the sleeve frame, so that packaging of the whole door plate and components in the door plate is achieved, and combination and assembly of the whole door plate are more convenient.

Description

Technical Field

[0001] The present application relates to the technical field of fire doors, and in particular to a high-strength composite fire door. Background Art

[0002] A fire door is a door that isolates the path through which fire can spread in the event of a fire. It can effectively prevent the fire from spreading to other areas and can play a certain inhibitory role in the event of a fire.

[0003] The Chinese patent with announcement number CN215804201U discloses a corrosion-resistant high-sealing double-layer fire door structure, which aims to solve the technical problems that the fire door and the fire door frame cannot be completely sealed and the fire door has no anti-corrosion effect under the existing technology. The fire door structure includes a protective door frame, a double-layer protective door body installed on the protective door frame, a connection control module connected to the double-layer protective door body for controlling the double-layer protective door body, a protective component arranged inside the double-layer protective door body for protection, a sealing component arranged outside the double-layer protective door body for sealing protection, and a clamping component connected to the inner side of the protective door frame for use with the sealing component. The fire door structure can make the double-layer protective door body have an anti-corrosion effect through the anti-corrosion outer layer, and the sealing groove and the sealing strip can be used completely in harmony, thereby ensuring good sealing between the protective door frame and the double-layer protective door body.

[0004] The above-mentioned corrosion-resistant high-sealing double-layer fire door structure is sealed by a sealing strip, and the sealing strip will age and break after long-term use. At the same time, it will melt due to high temperature when a fire occurs, so that the fire door still has certain deficiencies in terms of sealing. At the same time, the double-layer protective door body is composed of multiple components wrapped together, which is inconvenient to assemble with the double-layer protective door body. Utility Model Content

[0005] In order to solve the problem that the above-mentioned anti-corrosion high-sealing double-layer fire door structure still has certain deficiencies in sealing and the inconvenience in assembling the entire double-layer protective door body, the present application provides a high-strength composite fire door.

[0006] The high-strength composite fire door provided in this application adopts the following technical solution:

[0007] A high-strength composite fireproof door comprises a door frame, a door panel is arranged on the inner side of the door frame, and the left side of the door panel is rotatably connected to the door frame by a hinge, a retaining edge is fixed at the port near the rear side in the door frame, and a metal frame which can be elastically pushed out toward the front side is installed on the side of the retaining edge facing the door panel, the door panel comprises two front and rear frames butted against each other, outer metal plates are installed on the inner sides of the front and rear frames, and a plurality of evenly arranged support columns are installed between the two outer metal plates, the support columns are cylinders made of zirconia ceramics, an insulation board which is sleeved on the outside of the support columns is also arranged between the two outer metal plates, a detachable sleeve frame is sleeved at the joint of the two frames, and the sleeve frame is respectively hung and matched with the frames on the front and rear sides.

[0008] By adopting the above technical solution, when the door panel is closed, the metal frame is elastically pressed against the rear side of the door panel toward the front side to seal the gap between the door panel and the door frame. At the same time, the metal frame has good high temperature resistance and will not age, thereby better ensuring the sealing of the protective door. At the same time, the entire door panel and its internal components are encapsulated by fitting and hanging the frame on both sides, making the assembly of the entire door panel more convenient.

[0009] Optionally, a raised docking ring is fixed on the side of the frame facing the sleeve frame, and a hanging groove is provided on the outer side of the docking ring, and a square-shaped blocking edge is fixed on the inner side of the frame away from the docking ring.

[0010] By adopting the above technical solution, the two frames are butted together through the butt joint ring, and the sleeve frame is sleeved on the outside of the butt joint ring to be butt-locked.

[0011] Optionally, a boss that is stuck in the blocking edge is fixed to one side of the outer metal plate, and evenly arranged fixing sleeves are fixed to the other side of the outer metal plate.

[0012] By adopting the above technical solution, the outer metal plate is clamped on the inner side of the blocking edge through the boss so that it is flush with the outer surface of the door panel.

[0013] Optionally, hanging edges that are clamped in the hanging grooves are fixed to the inner side of the sleeve frame near the front and rear edges, and a connecting rod is detachably mounted on the right side of the sleeve frame.

[0014] By adopting the above technical solution, the sleeve frame is sleeved on the outside of the docking ring and is locked in the hanging groove by the hanging edge.

[0015] Optionally, two end portions on the right side of the sleeve frame are fixed with clamping heads, upper and lower ends of the connecting rod are provided with clamping grooves for clamping the clamping heads, and raised clamping platforms are fixed on the front and rear sides of the clamping heads.

[0016] By adopting the above technical solution, the sleeve frame is clamped in the clamping slot by the clamping head and is clamped and fixed by the clamping platform.

[0017] Optionally, a mounting groove for mounting the metal frame is provided on a side of the retaining edge facing the door panel, and evenly arranged springs are placed inside the mounting groove.

[0018] By adopting the above technical solution, the installation groove is used to install the metal frame, and the metal frame is elastically lifted up by the spring.

[0019] Optionally, a plurality of evenly distributed clearance grooves are provided on the inner side of the metal frame, and the clearance grooves only penetrate to the front side, and a plurality of limit screws which are tightened in the clearance grooves are threadedly installed on the inner side surface of the retaining edge.

[0020] By adopting the above technical solution, the metal frame is prevented from falling off the installation groove by the cooperation of the stop groove and the stop screw when the metal frame moves outward.

[0021] In summary, this application includes the following beneficial technical effects:

[0022] 1. In the utility model, the metal frame is elastically pressed against the rear side of the door panel to seal the gap between the door panel and the door frame. At the same time, the metal frame has good high temperature resistance and will not age, thereby better ensuring the sealing of the protective door;

[0023] 2. At the same time, the entire door panel and its internal components are encapsulated by fitting and hanging the frames on both sides of the door panel, making the assembly of the entire door panel more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a stereogram in the embodiment of the present application;

[0025] Figure 2 is a schematic diagram of a door panel in an embodiment of the present application;

[0026] Figure 3 is a schematic diagram of a frame in an embodiment of the present application;

[0027] Figure 4 is a schematic diagram of an outer metal plate in an embodiment of the present application;

[0028] Figure 5 It is a schematic diagram of a frame in an embodiment of the present application;

[0029] Figure 6 is a schematic diagram of a door frame in an embodiment of the present application;

[0030] Figure 7 It is a schematic diagram of a metal frame in an embodiment of the present application.

[0031] Explanation of the reference numerals: 1. door frame; 11. retaining edge; 12. limiting screw; 13. mounting groove; 14. spring; 2. door panel; 21. frame; 211. blocking edge; 212. hanging groove; 213. docking ring; 22. support column; 23. outer metal plate; 231. boss; 232. fixing sleeve; 24. sleeve frame; 241. hanging edge; 242. clamp; 243. clamping groove; 244. connecting rod; 25. heat insulation board; 3. metal frame; 31. clearance groove. DETAILED DESCRIPTION

[0032] The present application is further described in detail below in conjunction with the accompanying drawings.

[0033] The present application embodiment discloses a high-strength composite fireproof door. Figure 1 and Figure 2 , including a door frame 1, a door panel 2 is arranged on the inner side of the door frame 1, and the left side of the door panel 2 is rotatably connected to the door frame 1 through a hinge, a retaining edge 11 is fixed at the port near the rear side in the door frame 1, and a metal frame 3 that can be elastically pushed out to the front side is installed on the side of the retaining edge 11 facing the door panel 2, and the metal frame 3 is elastically pressed against the rear side of the door panel 2 to the front side, thereby sealing the gap between the door panel 2 and the door frame 1, and the metal frame 3 has good high temperature resistance and will not age, thereby better ensuring the sealing of the protective door, the door panel 2 includes two front and rear frames 21 that are butt-jointed with each other, and outer metal plates 23 are installed on the inner sides of the front and rear frames 21, A plurality of evenly distributed support columns 22 are installed between the two outer metal plates 23. The support columns 22 are cylindrical bodies made of zirconia ceramics. While achieving separation and support of the two outer metal plates 23, heat will not be conducted. A heat insulation plate 25 is also provided between the two outer metal plates 23 and is sleeved on the outside of the support columns 22 for heat blocking. A detachable sleeve 24 is sleeved at the joint of the two frames 21, and the sleeve 24 is respectively hung and cooperated with the frames 21 on the front and rear sides. The sleeve 24 is sleeved and hung on the frames 21 on both sides to achieve the encapsulation of the entire door panel 2 and the internal components of the door panel 2, making the assembly of the entire door panel 2 more convenient.

[0034] Reference Figure 3 A raised docking ring 213 is fixed on the side of the frame 21 facing the sleeve frame 24. The two frames 21 are docked through the docking ring 213, and the sleeve frame 24 is sleeved on the outside of the docking ring 213 for docking and locking. A hanging groove 212 is provided on the outside of the docking ring 213 for matching the hanging edge 241. A square-shaped blocking edge 211 is fixed on the side of the inner side of the frame 21 away from the docking ring 213 for blocking the external metal plate 23 during installation.

[0035] Reference Figure 4A boss 231 is fixed on one side of the outer metal plate 23 and is stuck in the blocking edge 211. The outer metal plate 23 is stuck on the inner side of the blocking edge 211 through the boss 231 so that it is flush with the outer surface of the door panel 2 without affecting the appearance of the door panel 2. The other side of the outer metal plate 23 is fixed with evenly arranged fixing sleeves 232 for installing the support column 22.

[0036] Reference Figure 5 A hanging edge 241 that is stuck in the hanging groove 212 is fixed on the inner side of the sleeve frame 24 near the front and rear edges. The sleeve frame 24 is sleeved on the outer side of the docking ring 213 and is locked in the hanging groove 212 through the hanging edge 241. A connecting rod 244 is detachably installed on the right side of the sleeve frame 24 to close and fix the sleeve frame 24. A clamping head 242 is fixed to the two end parts of the right side of the sleeve frame 24. A clamping groove 243 for clamping the clamping head 242 is provided at the upper and lower ends of the connecting rod 244. A raised clamping platform is fixed on the front and rear sides of the clamping head 242. The sleeve frame 24 is clamped in the clamping groove 243 through the clamping head 242 and is clamped and fixed by the clamping platform.

[0037] Reference Figure 6 A mounting groove 13 for mounting the metal frame 3 is provided on the side of the retaining edge 11 facing the door panel 2. The mounting groove 13 is used to mount the metal frame 3. Evenly arranged springs 14 are placed on the inner side of the mounting groove 13. The metal frame 3 is elastically lifted up by the springs 14. A plurality of evenly distributed clearance grooves 31 are provided on the inner side of the metal frame 3, and the clearance grooves 31 are only passed through to the front side. A plurality of limit screws 12 that are tightened in the clearance grooves 31 are threadedly installed on the inner side surface of the retaining edge 11. The metal frame 3 cooperates with the limit screws 12 through the clearance grooves 31 to limit the metal frame 3 when it moves outward, so as to prevent the metal frame 3 from escaping from the mounting groove 13.

[0038] The implementation principle of a high-strength composite fireproof door in an embodiment of the present application is as follows: when the door panels 2 are combined and assembled, the outer metal plates 23 on both sides are respectively installed in the frames 21 on both sides, and then the support columns 22 are installed on the outer metal plates 23 on one side and the insulation board 25 is put on the support columns 22, and then the frames 21 on both sides are docked. At this time, the sleeve frame 24 is put on the outside of the docking rings 213 on both sides, and the connecting rod 244 is clamped with the clamping heads 242 at both ends of the sleeve frame 24 to complete the combined assembly of the door panels 2.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high-strength composite fireproof door, comprising a door frame (1), characterized in that: A door panel (2) is arranged on the inner side of the door frame (1), and the left side of the door panel (2) is rotatably connected to the door frame (1) via a hinge. A retaining edge (11) is fixed at a port near the rear side of the door frame (1), and a metal frame (3) that can be elastically pushed out toward the front side is installed on a side of the retaining edge (11) facing the door panel (2). The door panel (2) comprises two front and rear frames (21) butted against each other, and outer metal plates (23) are installed on the inner sides of the front and rear frames (21), and a plurality of evenly arranged support columns (22) are installed between the two outer metal plates (23), and the support columns (22) are cylindrical bodies made of zirconia ceramics. A heat insulation plate (25) is also arranged between the two outer metal plates (23) and is sleeved on the outer sides of the support columns (22). A detachable sleeve frame (24) is sleeved at the joint of the two frames (21), and the sleeve frame (24) is respectively hooked and matched with the frames (21) on the front and rear sides.

2. A high-strength composite fire door according to claim 1, characterized in that: A protruding docking ring (213) is fixed on the side of the frame (21) facing the sleeve frame (24), and a hanging groove (212) is provided on the outside of the docking ring (213). A square-shaped blocking edge (211) is fixed on the inside of the frame (21) away from the docking ring (213).

3. A high-strength composite fire door according to claim 2, characterized in that: A boss (231) that is clamped in the blocking edge (211) is fixed on one side of the outer metal plate (23), and evenly arranged fixing sleeves (232) are fixed on the other side of the outer metal plate (23).

4. A high-strength composite fire door according to claim 2, characterized in that: A hanging edge (241) which is clamped in the hanging groove (212) is fixed on the inner side of the sleeve frame (24) near the front and rear edges, and a connecting rod (244) is detachably mounted on the right side of the sleeve frame (24).

5. A high-strength composite fire door according to claim 4, characterized in that: Both end portions on the right side of the sleeve frame (24) are fixed with clamping heads (242), upper and lower ends of the connecting rod (244) are provided with clamping grooves (243) for clamping the clamping heads (242), and raised clamping platforms are fixed on both the front and rear sides of the clamping heads (242).

6. A high-strength composite fire door according to claim 1, characterized in that: A mounting groove (13) for mounting the metal frame (3) is provided on the side of the retaining edge (11) facing the door panel (2), and evenly arranged springs (14) are placed inside the mounting groove (13).

7. A high-strength composite fire door according to claim 6, characterized in that: The inner side of the metal frame (3) is provided with a plurality of evenly distributed clearance grooves (31), and the clearance grooves (31) are only through-through toward the front side, and the inner side surface of the retaining edge (11) is threadedly mounted with a plurality of limit screws (12) that are pressed tightly into the clearance grooves (31).

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