Heat-resistant wooden fireproof door
By using a combination structure of fireproof board, heat insulation layer and door core in fire doors, the problems of insufficient heat insulation and strength of fire doors are solved, achieving high fire resistance limit and airtightness, and extending service life.
Patent Information
- Application Number
- CN202520078572.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing fire doors have poor heat insulation and low strength, making them prone to deformation and cracking under high temperatures or external impacts, resulting in loss of fire protection function and short service life.
It adopts a combination structure of fireproof board, first heat insulation layer, second heat insulation layer and door core. The heat insulation layer uses glass wool and vacuum insulation board materials, the door core is expanded perlite particles, the outside has a metal frame, the surface is coated with intumescent fireproof coating, and uses EPDM rubber sealing strip.
It improves the fire resistance and heat insulation of fire doors, enhances their fire resistance limit, prevents the spread of smoke and heat, improves airtightness, and extends their service life.
Smart Images
Figure CN223806038U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of fireproof doors, in particular to a heat-resistant wooden fireproof door. BACKGROUND
[0002] The fireproof wooden door is a kind of door combining wood material and fireproof technology, and is widely applied to buildings such as residences, office buildings, hotels and factories to enhance the fireproof capability of the buildings. It is mainly used for preventing the spread of fire, protecting personnel safety and providing an escape channel.
[0003] The existing fireproof door has poor heat insulation and low strength. The fireproof door with low strength can be rapidly deformed, broken or collapsed when subjected to high temperature or external force impact, loses the fireproof function, and can also cause the door body to be easily damaged in daily use, thereby shortening the service life. CONTENT OF THE UTILITY MODEL
[0004] (I) Technical problem solved
[0005] In view of the defects of the prior art, the application provides a heat-resistant wooden fireproof door, which solves the problems mentioned in the background.
[0006] (II) Technical scheme
[0007] To achieve the above purpose, the application is implemented by the following technical scheme: a heat-resistant wooden fireproof door, comprising a fireproof door body, a fireproof plate fixedly installed in the interior of the fireproof door body, a first heat insulation layer, a second heat insulation layer and a door core, the fireproof plate is fixedly installed on both sides of the inner wall of the fireproof door body, the first heat insulation layer and the second heat insulation layer are fixedly installed on one side of the two fireproof plates respectively, the door core is fixedly installed between the first heat insulation layer and the second heat insulation layer, and a sealing strip is fixedly installed around the fireproof door body.
[0008] By adopting the above technical scheme, the two fireproof plates and the first heat insulation layer and the second heat insulation layer can greatly improve the fireproof property and the heat insulation property of the fireproof door body, improve the fire resistance limit, and the sealing strip can avoid the diffusion of smoke and heat as much as possible when fire occurs, protect the area behind the door from high temperature, and improve the air tightness of the fireproof door body.
[0009] Preferably, the material of the first heat insulation layer is glass wool material, and the second heat insulation layer is a vacuum heat insulation plate.
[0010] By adopting the above technical scheme, two different materials can provide different heat insulation mechanisms to adapt to different temperature environments, thereby improving the heat insulation efficiency.
[0011] Preferably, the material of the door core is expanded perlite particles.
[0012] By adopting the technical scheme, the expanded perlite particles have good load-bearing capacity and impact resistance, which can ensure that the fireproof door body is not easily deformed or damaged when subjected to external impact, thereby maintaining its fireproof and heat insulation performance.
[0013] Preferably, a metal frame is fixedly installed on the outer side of the door core.
[0014] By adopting the technical scheme, the strength of the door core can be further improved.
[0015] Preferably, the surface of the fireproof door body is coated with an intumescent fire retardant coating.
[0016] By adopting the technical scheme, the fireproof effect is improved.
[0017] Preferably, the sealing strip is made of ethylene propylene diene rubber.
[0018] By adopting the technical scheme, the sealing strip will expand under high temperature, thereby avoiding the spread of smoke and heat as much as possible when a fire breaks out.
[0019] (Three) beneficial effects
[0020] The present application provides a heat-resistant wooden fireproof door. It has the following beneficial effects:
[0021] 1. The heat-resistant wooden fireproof door can greatly improve the fireproof performance of the fireproof door body by arranging two fireproof plates inside the fireproof door body, and can improve the heat insulation performance of the fireproof door body by arranging the first and second heat insulation layers, thereby improving the fire resistance limit. The existing fireproof door has poor heat insulation performance and low strength. The low-strength fireproof door may deform, break or collapse rapidly when subjected to high temperature or external impact, lose its fireproof function, and may also cause the door body to be easily damaged in daily use, thereby shortening the service life.
[0022] 2. The heat-resistant wooden fireproof door is provided with a sealing strip made of ethylene propylene diene rubber. The sealing strip will expand under high temperature, thereby avoiding the spread of smoke and heat as much as possible when a fire breaks out, protecting the area behind the door from high temperature, and improving the air tightness of the fireproof door body. DETAILED DESCRIPTION
[0023] Figure 1 is a schematic diagram of the overall structure of the present application;
[0024] Figure 2 is a schematic diagram of the top view of the present application;
[0025] In the figure: 1, the fireproof door body; 101, the fireproof plate; 102, the first heat insulation layer; 103, the second heat insulation layer; 104, the door core; 105, the metal frame; 2, the sealing strip. DETAILED DESCRIPTION
[0026] The application will be further described in detail by the accompanying drawings and examples.
[0027] Referring to Figure 1 and Figure 2 , the embodiment of the application provides a heat-resistant wooden fireproof door, which comprises a fireproof door body 1, the inside of the fireproof door body 1 is fixedly installed with a fireproof plate 101, a first heat insulation layer 102, a second heat insulation layer 103 and a door core 104, the fireproof plate 101 is fixedly installed on the two sides of the inner wall of the fireproof door body 1, the first heat insulation layer 102 and the second heat insulation layer 103 are fixedly installed on one side of the two fireproof plates 101 respectively, the door core 104 is fixedly installed between the first heat insulation layer 102 and the second heat insulation layer 103, and the fireproof door body 1 is fixedly installed with a sealing strip 2 around.
[0028] The material of the first heat insulation layer 102 is glass wool material, and the second heat insulation layer 103 is a vacuum heat insulation plate.
[0029] The material of the door core 104 is expanded perlite particles.
[0030] The metal frame 105 is fixedly installed on the outer side of the door core 104.
[0031] The surface of the fireproof door body 1 is coated with an intumescent fireproof paint.
[0032] Through the setting of the two fireproof plates 101 in the fireproof door body 1 and the intumescent protective paint coated on the surface of the fireproof door body 1, the fireproof property of the fireproof door body 1 can be greatly improved, and through the setting of the first heat insulation layer 102 and the second heat insulation layer 103, the heat insulation performance of the fireproof door body 1 can be improved, and the fireproof limit is further improved, the door core 104 is made of a perlite fireproof plate, which has high strength and good load-bearing capacity and impact resistance, so that the fireproof door body 1 is not easy to deform or be damaged when subjected to external impact, thereby maintaining the fireproof and heat insulation performance, prolonging the service life of the fireproof door body 1, and the metal frame 105 fixedly installed on the outer side of the door core 104 can further improve the strength of the door core 104.
[0033] Referring to Figure 1 , in one aspect of the embodiment, the material of the sealing strip 2 is ethylene propylene diene rubber.
[0034] Through the arrangement of the sealing strip 2 made of ethylene propylene terpolymer, the sealing strip 2 can expand in a high-temperature state, so as to avoid the diffusion of smoke and heat as much as possible when a fire breaks out, protect the area behind the door from high temperature, and improve the air tightness of the fireproof door body 1.
[0035] The heat-resistant wooden fireproof door can greatly improve the fireproof property of the fireproof door body 1 through the arrangement of the two fireproof plates 101 inside the fireproof door body 1 and the expansion protective paint brushed on the surface of the fireproof door body 1, and can improve the heat insulation performance of the fireproof door body 1 through the arrangement of the first heat insulation layer 102 and the second heat insulation layer 103, thereby improving the fire resistance limit. The door core 104 made of perlite fireproof plate has good load-bearing capacity and impact resistance due to its high strength, which can ensure that the fireproof door body 1 is not easily deformed or damaged when subjected to external impact, thereby maintaining its fireproof and heat insulation performance, prolonging the service life of the fireproof door body 1, and improving the air tightness of the fireproof door body 1.
[0036] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such a process, method, article or device.
[0037] Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A heat resistant wooden fire door comprising a fire door body (1), characterized in that: The interior of the fireproof door body (1) is fixedly installed with a fireproof plate (101), a first heat insulation layer (102), a second heat insulation layer (103) and a door core (104), the fireproof plate (101) is fixedly installed on the inner wall of the fireproof door body (1), the first heat insulation layer (102) and the second heat insulation layer (103) are fixedly installed on one side of the two fireproof plates (101) respectively, and the door core (104) is fixedly installed between the first heat insulation layer (102) and the second heat insulation layer (103).
2. The fire resistant wood door according to claim 1, wherein: The material of the first heat insulation layer (102) is glass wool, and the second heat insulation layer (103) is a vacuum heat insulation plate.
3. The fire resistant wood door of claim 1, wherein: The material of the door core (104) is expanded perlite particles.
4. The fire resistant wood door of claim 1, wherein: The outer side of the door core (104) is fixedly installed with a metal frame (105).
5. The fire resistant wood door of claim 1, wherein: The surface of the fireproof door body (1) is coated with an intumescent fire retardant coating.
6. The fire resistant wood door of claim 1, wherein: The material of the sealing strip (2) is ethylene propylene diene rubber.