CN222537902U - Flame-retardant structure of environment-friendly multi-layer plywood - Google Patents
Flame-retardant structure of environment-friendly multi-layer plywood Download PDFInfo
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- CN222537902U CN222537902U CN202421250225.8U CN202421250225U CN222537902U CN 222537902 U CN222537902 U CN 222537902U CN 202421250225 U CN202421250225 U CN 202421250225U CN 222537902 U CN222537902 U CN 222537902U
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Abstract
本实用新型公开了一种环保多层胶合板的阻燃结构，其包括：多层胶合板，所述多层胶合板主要由表面层、多层板、背面层和安装层组合而成，所述表面层的厚度大于背面层的厚度，所述背面层的材质设为阻燃纤维，所述表面层的内部均匀设置有若干阻燃孔，所述阻燃孔的内部灌注有阻燃剂一，所述阻燃剂一的材质为磷系阻燃剂，所述阻燃孔贯穿表面层与多层板的内部相连通，形成一个综合的阻燃结构，有效减少火灾的蔓延速度，提高建筑物和家具的防火性能。
The utility model discloses a flame retardant structure of an environmentally friendly multi-layer plywood, comprising: a multi-layer plywood, wherein the multi-layer plywood is mainly composed of a surface layer, a multi-layer board, a back layer and an installation layer, the thickness of the surface layer is greater than the thickness of the back layer, the material of the back layer is set as flame retardant fiber, a plurality of flame retardant holes are evenly arranged inside the surface layer, the interior of the flame retardant holes is perfused with a flame retardant 1, the material of the flame retardant 1 is a phosphorus-based flame retardant, the flame retardant holes penetrate the surface layer and are connected with the interior of the multi-layer board to form a comprehensive flame retardant structure, which effectively reduces the spread speed of fire and improves the fireproof performance of buildings and furniture.
Description
Technical Field
The utility model relates to the technical field of multi-layer board flame retardance, in particular to a flame-retardant structure of an environment-friendly multi-layer plywood.
Background
The plywood is one of common materials for furniture, a group of veneers are normally formed by mutually perpendicular assembly gluing according to the wood grain direction of adjacent layers, the surface plates and the inner plates are symmetrically arranged on two sides of a central layer or a plate core, the veneers after gluing are formed by pressing the plate blanks formed by longitudinally and transversely crossing the veneers according to the wood grain direction under the condition of heating or non-heating, the number of layers is generally odd, even or even, the physical and mechanical properties in the longitudinal and transverse directions are small, the common plywood is three-ply board, five-ply board and the like, the plywood can improve the wood utilization rate, and is a main way for saving wood.
However, the fire-retardant material and structure of the existing multi-layer plywood are not enough, and the fire-retardant material and structure may only exist in the interlayer between the multi-layer boards, especially on the veneer connected to the surface and the mounting panel on the back, the fire-retardant material is slightly insufficient, the burning speed is likely to be accelerated in fire, and thus unavoidable disasters are caused.
Disclosure of utility model
1. The utility model aims to at least solve one of the technical problems in the prior art, and provides a flame-retardant structure of an environment-friendly multi-layer plywood, which is formed by combining a surface layer and a back layer which are connected with the surface and the back of the multi-layer board and flame-retardant holes arranged between the surface layer and the multi-layer board surface, so that the comprehensive flame-retardant structure is formed, the spreading speed of fire is effectively reduced, the fireproof performance of buildings and furniture is improved, phosphorus flame retardants in the flame-retardant holes can release phosphorus gas at high temperature, a carbon layer is formed to prevent flame combustion, and the combustion time of the surface layer is ensured to be reduced.
The utility model also provides a flame-retardant structure of the environment-friendly multi-layer plywood, which comprises the multi-layer plywood, wherein the multi-layer plywood is mainly formed by combining a surface layer, a multi-layer board, a back layer and a mounting layer, the thickness of the surface layer is larger than that of the back layer, the back layer is made of flame-retardant fibers, a plurality of flame-retardant holes are uniformly formed in the surface layer, a first flame retardant is filled in the flame-retardant holes, the first flame retardant is made of a phosphorus flame retardant, and the flame-retardant holes penetrate through the surface layer and are communicated with the inside of the multi-layer board.
According to the flame-retardant structure of the environment-friendly multi-layer plywood, the multi-layer board consists of a first wood fiber board, a second wood fiber board, a third wood fiber board and a flame-retardant board layer. Is favorable for forming a comprehensive flame-retardant structure, effectively reduces the spreading speed of fire and improves the fireproof performance of buildings and furniture.
According to the flame-retardant structure of the environment-friendly multi-layer plywood, the bottom surface of the surface layer is fixedly connected with the first wood fiber board, and the surface layer and the first wood fiber board are glued in a mutually perpendicular mode. For enhancing the stability of the connection between the two.
According to the flame-retardant structure of the environment-friendly multi-layer plywood, two flame-retardant plate layers are arranged, and the two flame-retardant plate layers are respectively positioned between the first wood fiber board, the second wood fiber board and the third wood fiber board. So that a good flame retardant effect is formed between the wood fiber boards of each layer.
According to the flame-retardant structure of the environment-friendly multi-layer plywood, the bottom surface of the wood fiberboard III is fixedly connected with the back layer, and the flame retardant II is attached between the wood fiberboard III and the back layer. So that the flame-retardant effect is achieved in a limited time.
According to the flame-retardant structure of the environment-friendly multi-layer plywood, the mounting layer is positioned on the outer surface of the back layer, and the surface of the mounting layer is provided with the concavo-convex shape. The firmness of installation is convenient for strengthen at the mounting point.
According to the flame-retardant structure of the environment-friendly multi-layer plywood, the foam interlayer is fixedly connected to the inner part of the surface layer, and the foam interlayer is made of polymer-based foam. So that the burning speed is slowed down or the burning-inhibiting gas is generated when the fire is encountered.
According to the flame-retardant structure of the environment-friendly multi-layer plywood, flame-retardant materials are adhered to the outer surface of the surface layer and the outer surface of the mounting layer, and the flame-retardant materials are made of silicide. Which is advantageous in blocking the burn rate of the multilayer board back side layer.
Advantageous effects
2. Compared with the prior art, the flame-retardant structure of the environment-friendly multi-layer plywood is characterized in that the surface layer and the back layer are connected through the surface and the back of the multi-layer board, and the flame-retardant holes are formed between the surface layer and the multi-layer board surface in a combined mode, so that the comprehensive flame-retardant structure is formed, the spreading speed of fire is effectively reduced, the fireproof performance of buildings and furniture is improved, phosphorus flame retardants in the flame-retardant holes can release phosphorus gas at high temperature, a carbon layer is formed to prevent flame combustion, and the combustion time of the surface layer is ensured to be reduced.
Drawings
The utility model is further illustrated by the following figures and examples;
FIG. 1 is an overall block diagram of a flame retardant structure of the environmentally friendly multi-ply plywood of the utility model;
FIG. 2 is a bottom view of the flame retardant structure of the environmentally friendly multi-ply plywood of the utility model;
FIG. 3 is a schematic view of a part of the internal structure of the flame retardant structure of the environment-friendly multi-layer plywood of the utility model;
fig. 4 is an enlarged view of a flame retardant structure of the environment-friendly multi-ply wood of the present utility model at a in fig. 3.
Legend description:
1. Surface layer, 2, multilayer board, 201, wood fiber board I, 202, wood fiber board II, 203, wood fiber board III, 204, flame-retardant plate layer, 3, back layer, 4, mounting layer, 5, flame-retardant hole, 6, foam interlayer.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, the flame-retardant structure of the environment-friendly multi-layer plywood comprises a multi-layer plywood body, wherein the multi-layer plywood body is mainly formed by combining a surface layer 1, a multi-layer board 2, a back layer 3 and a mounting layer 4, the thickness of the surface layer 1 is larger than that of the back layer 3, the material of the back layer 3 is flame-retardant fiber and is used for slowing down the spreading speed of fire and forming flame-retardant immobilized matters, a plurality of flame-retardant holes 5 are uniformly formed in the surface layer 1, a first flame retardant is filled in the flame-retardant holes 5, the first flame retardant is made of a phosphorus flame retardant, so that the phosphorus gas can be released at high temperature, a carbon layer is formed to prevent flame combustion, the flame-retardant holes 5 penetrate through the surface layer 1 and the inner part of the multi-layer board 2, and the first flame-retardant holes 201 are not easy to reach a flame point.
The multilayer board 2 is formed by wood fiberboard 201, wood fiberboard 202, wood fiberboard 203 and flame-retardant board layer 204, be favorable to forming a comprehensive flame retardant structure, effectively reduce the spreading rate of conflagration, improve the fire behavior of building and furniture, the bottom surface of surface layer 1 and wood fiberboard 201 fixed connection, the fibre direction mutually perpendicular veneer of surface layer 1 and wood fiberboard 201 forms, be used for reinforcing the stability of connection between the two, flame-retardant board layer 204 is provided with two, two flame-retardant board layers 204 are located the position between wood fiberboard 201, wood fiberboard 202, wood fiberboard 203 respectively, make form good flame retardant effect between the wood fiberboard of every layer, the bottom surface and the back layer 3 fixed connection of wood fiberboard 203, be attached with fire retardant two between wood fiberboard 203 and the back layer 3, make the effect that reaches flame retardant in limited time, the mounting layer 4 is located the surface of back layer 3, the surface of mounting layer 4 sets up to be concave-convex, be convenient for in the fastness of reinforcing installation, the inside fixed connection of surface layer 1 has foam sandwich 6, the foam 6 is the foam base layer of the foam is produced when meeting, the surface layer is the combustion rate of the multilayer board is that the flame retardant material is the surface layer is that the surface layer is formed at the surface layer of the combustion material of the layer is of the layer of the multilayer board 2, the combustion rate is slowed down, the combustion material is produced at the surface layer is easy to the surface layer of the combustion material is produced by the layer is formed flame retardant material is on the surface layer of the surface layer is 3, the surface layer is produced combustion material is has the surface flame retardant material is produced.
The working principle is that the connection between the multi-layer plywood is an environment-friendly adhesive, when the flame-retardant structure of the multi-layer plywood is manufactured, the flame-retardant plate layer 204 is respectively adhered among the first wood fiber board 201, the second wood fiber board 202 and the third wood fiber board 203, then the flame-retardant holes 5 and the foam interlayer 6 in the surface layer 1 are combined, and then the first flame retardant in the flame-retardant holes 5 and the flame-retardant fiber material of the back layer 3 are combined, so that a comprehensive flame-retardant structure is formed, the spreading speed of fire is effectively reduced, and the burning speed is reduced.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. An environmental protection multi-layer plywood fire-retardant structure, characterized by comprising:
Multilayer plywood, multilayer plywood is mainly formed by surface layer (1), multiply wood (2), back layer (3) and erection bed (4) combination, the thickness of surface layer (1) is greater than the thickness of back layer (3), the material of back layer (3) is established to fire-retardant fibre, the inside of surface layer (1) evenly is provided with a plurality of fire-retardant holes (5), fire-retardant one has been poured into to the inside in fire-retardant hole (5), the material of fire-retardant one is phosphorus flame retardant, fire-retardant hole (5) run through the inside of surface layer (1) and multiply wood (2) and are linked together.
2. The flame retardant structure of an environment-friendly multi-layer plywood according to claim 1, wherein the multi-layer board (2) consists of a first wood fiber board (201), a second wood fiber board (202), a third wood fiber board (203) and a flame retardant board layer (204).
3. The flame-retardant structure of the environment-friendly multi-layer plywood according to claim 1, wherein the bottom surface of the surface layer (1) is fixedly connected with the first wood fiber board (201), and the surface layer (1) and the first wood fiber board (201) are formed by mutually perpendicular gluing in the fiber direction.
4. The flame retardant structure of an environment-friendly multi-layer plywood according to claim 2, wherein two flame retardant board layers (204) are arranged, and the two flame retardant board layers (204) are respectively arranged at positions among a first wood fiber board (201), a second wood fiber board (202) and a third wood fiber board (203).
5. The flame retardant structure of the environment-friendly multi-layer plywood according to claim 2, wherein the bottom surface of the wood fiber board III (203) is fixedly connected with the back layer (3), and a flame retardant II is attached between the wood fiber board III (203) and the back layer (3).
6. The flame retardant structure of an environment-friendly multi-layer plywood according to claim 1, wherein the mounting layer (4) is positioned on the outer surface of the back layer (3), and the surface of the mounting layer (4) is provided with concavities and convexities.
7. The flame-retardant structure of the environment-friendly multi-layer plywood according to claim 1, wherein a foam interlayer (6) is fixedly connected to the inside of the surface layer (1), and the foam interlayer (6) is made of polymer-based foam.
8. The flame-retardant structure of the environment-friendly multi-layer plywood according to claim 1, wherein the outer surface of the surface layer (1) and the outer surface of the mounting layer (4) are both adhered with flame-retardant materials, and the flame-retardant materials are made of silicide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421250225.8U CN222537902U (en) | 2024-06-04 | 2024-06-04 | Flame-retardant structure of environment-friendly multi-layer plywood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421250225.8U CN222537902U (en) | 2024-06-04 | 2024-06-04 | Flame-retardant structure of environment-friendly multi-layer plywood |
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| Publication Number | Publication Date |
|---|---|
| CN222537902U true CN222537902U (en) | 2025-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421250225.8U Active CN222537902U (en) | 2024-06-04 | 2024-06-04 | Flame-retardant structure of environment-friendly multi-layer plywood |
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| Country | Link |
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| CN (1) | CN222537902U (en) |
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- 2024-06-04 CN CN202421250225.8U patent/CN222537902U/en active Active
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