Damp-proof flame-retardant plywood

Abstract

The utility model relates to the field of moisture-proof plates, and discloses a moisture-proof flame-retardant plywood which comprises a main plywood body, an external waterproof layer is fixedly connected to the top end of the main plywood body, a polypropylene plastic flame-retardant plate is fixedly connected to the main plywood body, and a moisture-proof flame-retardant assembly is installed at the top end of the polypropylene plastic flame-retardant plate. A plurality of upper notches are evenly formed in the two sides of the main plywood, a plurality of upper mounting notches are evenly formed in the polypropylene plastic flame-retardant plate, a plurality of lower mounting grooves are evenly formed in the lower side of the interior of the main plywood, and an anti-deformation supporting assembly is mounted in the main plywood. According to the utility model, the drying block and the flame-retardant layer are simultaneously arranged on the foremost side, so that the flame-retardant effect of the plate is ensured while the moisture-proof efficiency is improved, the stress generated in the plate is counteracted by the internal support, the deformation of the plate is avoided, and the appearance quality of the plate is ensured.

Description

Technical Field

[0001] The utility model relates to the field of moisture-proof boards, in particular to a moisture-proof and flame-retardant plywood. Background Art

[0002] Moisture-proof and flame-retardant plywood is a type of plywood that has moisture-proof and flame-retardant properties. Moisture-proof and flame-retardant agents are usually added during its production process to enhance its performance in humid environments and fire conditions. This type of plywood is very useful in some specific application scenarios, such as fire isolation in construction and for improved safety in furniture manufacturing.

[0003] After searching, a reinforced flame retardant and moisture-proof plywood with announcement number CN220362718U includes a plywood body, the plywood includes a surface layer, a flame retardant layer, a moisture-proof layer, a protective layer and a reinforcement layer, one side of the surface layer is fixedly connected to one side of the flame retardant layer, and the other side of the flame retardant layer is fixedly connected to one side of the moisture-proof layer, the other side of the moisture-proof layer is fixedly connected to one side of the protective layer, and the other side of the protective layer is fixedly connected to the reinforcement layer. The utility model effectively improves the service life of the plywood body by setting the surface layer, effectively improves the flame retardant performance of the plywood body by the flame retardant layer, effectively improves the moisture-proof performance of the plywood body by the moisture-proof layer, effectively improves the corrosion resistance, oxidation resistance and aging resistance of the plywood body by the protective layer and the reinforcement layer, and also improves the strength and toughness of the plywood body.

[0004] Based on the above patent, the flame retardant layer effectively improves the flame retardant properties of the plywood body, the moisture-proof layer effectively improves the moisture-proof properties of the plywood body, the protective layer and the reinforcing layer effectively improve the corrosion resistance, oxidation resistance and aging resistance of the plywood body, and also improves the strength and toughness of the plywood body. However, the moisture-proof layer is on the lower side of the flame retardant layer, and the external water vapor cannot quickly contact the moisture-proof layer, so the moisture-proof efficiency for the environment is low. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art and proposes a moisture-proof and flame-retardant plywood, which improves the moisture-proof efficiency while ensuring the flame-retardant effect of the board and the appearance quality of the board.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A moisture-proof flame-retardant plywood comprises a main body plywood, the top end of which is fixedly connected to an external waterproof layer, the main body plywood is fixedly connected to a polypropylene plastic flame-retardant board, the top end of which is installed with a moisture-proof flame-retardant component, a plurality of upper notches are evenly formed on both sides of the main body plywood, a plurality of upper side installation notches are evenly formed inside the polypropylene plastic flame-retardant board, a plurality of lower side installation grooves are evenly formed on the inner lower side of the main body plywood, and an anti-deformation support component is installed inside the main body plywood.

[0008] Furthermore, the anti-deformation support assembly includes side notches located on both sides of the main plywood, the interior of the upper mounting notches is fixedly connected with an upper fixing steel plate, and the interior of the lower mounting notches is fixedly connected with a lower connecting steel plate.

[0009] Furthermore, the moisture-proof and flame-retardant component includes a plurality of polypropylene plastic flame-retardant blocks located at the top of the polypropylene plastic flame-retardant board, the top of the polypropylene plastic flame-retardant board is located between the polypropylene plastic flame-retardant blocks, and silicon dioxide drying blocks are fixedly connected, the top of the polypropylene plastic flame-retardant blocks are provided with a plurality of upper side ventilation holes, and both sides of the polypropylene plastic flame-retardant blocks are provided with a plurality of side ventilation holes.

[0010] Furthermore, two sides of the polypropylene plastic flame retardant block are respectively and correspondingly fixedly connected to the inside of the main plywood.

[0011] Furthermore, the exteriors of the silicon dioxide drying blocks are respectively fixedly connected to the interiors of the polypropylene plastic flame retardant blocks.

[0012] Furthermore, two sides of the upper fixing steel plate respectively penetrate the interior of the upper notch and are fixedly connected to the top end of the side fixing steel plate.

[0013] Furthermore, two sides of the lower connecting steel plate are respectively fixedly connected to the bottom ends of the side fixed steel plates.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the main plywood, the external waterproof layer, the polypropylene plastic flame retardant board, the polypropylene plastic flame retardant block, the upper vents, the side vents, and the silica drying block are used to quickly dry the board. The drying block and the flame retardant layer are placed at the front at the same time, which improves the moisture-proof efficiency and ensures the flame retardant effect of the board.

[0016] 2. In the utility model, the support of the plate is completed by the main plywood, the upper notch, the polypropylene plastic flame retardant plate, the side notch, the lower mounting groove, the lower connecting steel plate, the side fixed steel plate, and the upper fixed steel plate. The stress generated inside the plate itself is offset by the internal support to avoid deformation of the plate and ensure the appearance quality of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall diagram of a moisture-proof and flame-retardant plywood proposed by the utility model;

[0018] Figure 2 This is an internal diagram of the main plywood of a moisture-proof and flame-retardant plywood proposed by the utility model;

[0019] Figure 3 This is a main gluing mechanism diagram of a moisture-proof and flame-retardant plywood proposed by the utility model;

[0020] Figure 4 This is a diagram of the upper side fixing steel plate mechanism of a moisture-proof and flame-retardant plywood proposed by the utility model;

[0021] Figure 5 The utility model discloses a polypropylene plastic flame retardant board structure diagram of a moisture-proof flame retardant plywood.

[0022] Legend:

[0023] 1. Main body plywood; 2. External waterproof layer; 3. Lower connecting steel plate; 4. Side fixing steel plate; 5. Upper fixing steel plate; 6. Polypropylene plastic flame retardant block; 7. Silica drying block; 8. Upper ventilation hole; 9. Lower installation groove; 10. Side notch; 11. Upper notch; 12. Polypropylene plastic flame retardant board; 13. Upper installation notch; 14. Side ventilation hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1 , Figure 2 and Figure 5The utility model provides an embodiment: a moisture-proof flame-retardant plywood, comprising a main plywood 1, the top of the main plywood 1 is fixedly connected with an external waterproof layer 2, the main plywood 1 is fixedly connected with a polypropylene plastic flame-retardant board 12, the top of the polypropylene plastic flame-retardant board 12 is installed with a moisture-proof flame-retardant component, a plurality of upper notches 11 are evenly opened on both sides of the main plywood 1, a plurality of upper side installation notches 13 are evenly opened inside the polypropylene plastic flame-retardant board 12, a plurality of lower side installation grooves 9 are evenly opened on the inner lower side of the main plywood 1, and an anti-deformation support is installed inside the main plywood 1 The support component includes a plurality of polypropylene plastic flame retardant blocks 6 located at the top of a polypropylene plastic flame retardant board 12, the top of the polypropylene plastic flame retardant board 12 is located between the polypropylene plastic flame retardant blocks 6, and a silicon dioxide drying block 7 is fixedly connected, the top of the polypropylene plastic flame retardant block 6 is provided with a plurality of upper side vents 8, and both sides of the polypropylene plastic flame retardant block 6 are provided with a plurality of side vents 14, the two sides of the polypropylene plastic flame retardant block 6 are respectively fixedly connected to the inside of the main plywood 1, and the outside of the silicon dioxide drying block 7 is respectively fixedly connected to the inner side of the polypropylene plastic flame retardant block 6;

[0026] Water vapor in the external air will move to the inner side of the main plywood 1 through the external waterproof layer 2, and the water vapor will enter the interior of the main plywood 1, contact the silica drying block 7 and be adsorbed by it, and part of the water vapor will enter the interior of the multiple upper air vents 8 inside the polypropylene plastic flame retardant block 6, and the water vapor will flow inside the upper air vents 8 and flow outward through the side air vents 14 on both sides, thereby further contacting the silica drying block 7 to improve the efficiency of moisture adsorption, and the polypropylene plastic flame retardant block 6 and the silica drying block 7 will protrude outward at the same time, and the generated fire will be divided by the multiple polypropylene plastic flame retardant blocks 6, and the combustibles of the board will be further compressed to ensure the flame retardant effect, and the drying block and the flame retardant layer will be placed at the front at the same time, while improving the moisture-proof efficiency, the flame retardant effect of the board is guaranteed.

[0027] Reference Figure 1 , Figure 3 and Figure 4 The anti-deformation support assembly includes side notches 10 located on both sides of the main plywood 1, the upper mounting notches 13 are fixedly connected to the upper fixing steel plates 5, the lower mounting notches 9 are fixedly connected to the lower connecting steel plates 3, the two sides of the upper fixing steel plates 5 respectively pass through the upper notches 11 and are fixedly connected to the top of the side fixing steel plates 4, and the two sides of the lower connecting steel plates 3 are respectively fixedly connected to the bottom ends of the side fixing steel plates 4;

[0028] The stress generated inward by the main plywood 1 directly contacts the upper fixed steel plate 5 and the lower connecting steel plate 3. The upper fixed steel plate 5 and the lower connecting steel plate 3 are relatively hard, which improves the supporting capacity of the plate itself. The force generated by the upper fixed steel plate 5 and the lower connecting steel plate 3 is transmitted to the inside of the side fixed steel plate 4. The side fixed steel plate 4 is placed longitudinally and has stronger compressive deformation resistance. The stress generated inside the plate itself is offset by the internal support to avoid deformation of the plate and ensure the appearance quality of the plate.

[0029] Working principle: Water vapor in the external air will move to the inside of the main plywood 1 through the external waterproof layer 2, and the water vapor will enter the inside of the main plywood 1, contact the silica drying block 7 and be adsorbed by it, and part of the water vapor will enter the inside of the multiple upper vents 8 inside the polypropylene plastic flame retardant block 6, and the water vapor will flow inside the upper vents 8 and flow to the outside through the side vents 14 on both sides, thereby further contacting the silica drying block 7, improving the efficiency of moisture adsorption, and the polypropylene plastic flame retardant block 6 and the silica drying block 7 protrudes outward at the same time, the generated fire will be divided by multiple polypropylene plastic flame retardant blocks 6, and the combustibles of the board will be further compressed to ensure the flame retardant effect. The stress generated by the main plywood 1 to the inside directly contacts the upper fixed steel plate 5 and the lower connecting steel plate 3. The hardness of the upper fixed steel plate 5 and the lower connecting steel plate 3 is relatively large, which improves the supporting capacity of the board itself, and the force generated by the upper fixed steel plate 5 and the lower connecting steel plate 3 is transmitted to the inside of the side fixed steel plate 4. The side fixed steel plate 4 is placed longitudinally and has a stronger ability to resist compression and deformation.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A moisture-proof and flame-retardant plywood, comprising a main plywood (1), characterized in that: The top of the main plywood (1) is fixedly connected to an external waterproof layer (2), the main plywood (1) is fixedly connected to a polypropylene plastic flame-retardant board (12), the top of the polypropylene plastic flame-retardant board (12) is installed with a moisture-proof flame-retardant component, a plurality of upper notches (11) are evenly provided on both sides of the main plywood (1), a plurality of upper side installation notches (13) are evenly provided inside the polypropylene plastic flame-retardant board (12), a plurality of lower side installation grooves (9) are evenly provided on the lower side of the inside of the main plywood (1), and an anti-deformation support component is installed inside the main plywood (1).

2. The moisture-proof and flame-retardant plywood according to claim 1, characterized in that: The anti-deformation support assembly comprises side notches (10) located on both sides of the main plywood (1), the interior of the upper mounting notches (13) is fixedly connected to an upper fixing steel plate (5), and the interior of the lower mounting grooves (9) is fixedly connected to a lower connecting steel plate (3).

3. The moisture-proof and flame-retardant plywood according to claim 1, characterized in that: The moisture-proof flame-retardant component comprises a plurality of polypropylene plastic flame-retardant blocks (6) located at the top of a polypropylene plastic flame-retardant plate (12); the top of the polypropylene plastic flame-retardant plate (12) is located between the polypropylene plastic flame-retardant blocks (6) and a silicon dioxide drying block (7) is fixedly connected; the top of the polypropylene plastic flame-retardant blocks (6) are each provided with a plurality of upper side vents (8); and both sides of the polypropylene plastic flame-retardant blocks (6) are each provided with a plurality of side vents (14).

4. The moisture-proof and flame-retardant plywood according to claim 3, characterized in that: The two sides of the polypropylene plastic flame retardant block (6) are respectively and correspondingly fixedly connected to the inside of the main plywood (1).

5. The moisture-proof and flame-retardant plywood according to claim 3, characterized in that: The exterior of the silicon dioxide drying block (7) is respectively and correspondingly fixedly connected to the interior of the polypropylene plastic flame retardant block (6).

6. The moisture-proof and flame-retardant plywood according to claim 2, characterized in that: The two sides of the upper fixed steel plate (5) respectively penetrate the interior of the upper notch (11) and are fixedly connected to the top of the side fixed steel plate (4).

7. The moisture-proof and flame-retardant plywood according to claim 2, characterized in that: The two sides of the lower connecting steel plate (3) are respectively fixedly connected to the bottom ends of the side fixing steel plates (4).

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