CN215848687U - Flame-retardant medium-high density fiberboard - Google Patents

Abstract

The utility model belongs to the technical field of fiberboards, and particularly discloses a flame-retardant medium-high density fiberboard which comprises a first flame-retardant layer; the top of the first flame-retardant layer is provided with a decorative layer, the bottom of the first flame-retardant layer is provided with a moisture-proof layer, the bottom of the moisture-proof layer is provided with a sound-deadening layer, and the bottom of the sound-deadening layer is provided with a second flame-retardant layer; a first bump and a second bump are arranged at the bottom of the decoration layer; clamping grooves are formed in the two sides of the second bump; a first groove is formed in the position, corresponding to the first lug, of the top of the first flame-retardant layer, a second groove is formed in the position, corresponding to the second lug, of the top of the first flame-retardant layer, accommodating grooves are formed in the two sides of each second groove, and fixing assemblies are arranged in the accommodating grooves; the utility model has good fireproof, waterproof and sound insulation effects, is convenient to replace the decorative layer and ensures the aesthetic property of the outer surface of the medium and high density fiberboard.

Description

Flame-retardant medium-high density fiberboard

Technical Field

The utility model relates to the technical field of fiber boards, in particular to a flame-retardant medium-high density fiber board.

Background

The fiberboard is also named as a density board, which is an artificial board made of wood fiber or other plant cellulose fiber as a raw material and urea formaldehyde resin or other suitable adhesives. During the manufacturing process, adhesives and/or additives may be applied. The fiber board has the advantages of uniform material, small longitudinal and transverse strength difference, difficult cracking and the like, and has wide application. The 1 cubic meter fiberboard needs 2.5 to 3 cubic meters of wood to manufacture, and can replace 3 cubic meters of sawn timber or 5 cubic meters of log. The development of fiberboard production is an effective way for the comprehensive utilization of wood resources.

However, the existing medium-high density fiberboard has general fireproof, waterproof and sound insulation performances, and the service life of the fiberboard is influenced; in addition, after the medium and high density fiberboard is used for a long time, the decorative layer cannot be replaced, and the attractiveness of the outer surface of the medium and high density fiberboard is affected, so that the flame-retardant medium and high density fiberboard is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flame-retardant medium-high density fiberboard to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the flame-retardant medium-high density fiberboard comprises a first flame-retardant layer; the top of the first flame-retardant layer is provided with a decorative layer, the bottom of the first flame-retardant layer is provided with a moisture-proof layer, the bottom of the moisture-proof layer is provided with a sound-deadening layer, and the bottom of the sound-deadening layer is provided with a second flame-retardant layer; a first bump and a second bump are arranged at the bottom of the decoration layer; clamping grooves are formed in the two sides of the second bump; the top of first fire-retardant layer has seted up first recess with the department that corresponds of first lug, and the top of first fire-retardant layer has seted up the second recess with the department that corresponds of second lug, and the holding tank has all been seted up to the both sides of second recess, is equipped with fixed subassembly in the holding tank.

Preferably, the first flame-retardant layer and the second flame-retardant layer are both made of high-aluminum refractory fibers.

Preferably, the moisture barrier is a moisture barrier.

Preferably, the material of the sound-deadening layer is sound-deadening cotton.

Preferably, the first bump is of a cuboid structure, and the first bump is matched with the first groove.

Preferably, the vertical cross section of the second bump is a trapezoid structure with a large top and a small bottom.

Preferably, fixed subassembly includes the spring, and the spring setting has the movable rod towards the one end rigid coupling of holding tank notch in the holding tank, and the one end activity that the spring was kept away from to the movable rod extends to the outside and the rigid coupling of holding tank and has the briquetting.

Preferably, the end of the pressurizing block far away from the movable rod is of an arc-shaped structure, a clamping block is fixedly connected to the top of the arc-shaped structure, and the clamping block is clamped with the clamping groove.

Preferably, the first flame-retardant layer is connected with the moisture-proof layer through a first adhesive; the moisture-proof layer is connected with the noise reduction layer through a second adhesive; the sound attenuation layer is connected with the second flame-retardant layer through a third adhesive.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the medium-high density fiberboard has good fireproof and flame-retardant performances by arranging the first flame-retardant layer and the second flame-retardant layer; the medium-high density fiberboard has a good silencing function by arranging the silencing layer; through being equipped with the dampproof course for well high density fiberboard has good waterproof performance, avoids well high density fiberboard to produce because of absorbing water and rots, has prolonged the life of well high density fiberboard.

2. According to the utility model, the decorative layer is clamped on the top of the first flame-retardant layer through the matching of the first convex block and the first groove, the second convex block is arranged in the second groove in the clamping process, and the clamping block on the pressurizing block is clamped with the clamping groove on the second convex block, so that the stability of the decorative layer can be improved, the operation is simple, the decorative layer is convenient to replace, and the attractiveness of the outer surface of the medium-high density fiberboard is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of an inverted structure of the decorative layer of the present invention;

FIG. 5 is a schematic structural view of a first flame retardant layer of the present invention;

FIG. 6 is a schematic structural diagram of a pressuring block of the present invention.

In the figure: 1. a first flame retardant layer; 2. a decorative layer; 3. a moisture barrier; 4. a sound-deadening layer; 5. a second flame retardant layer; 6. a first bump; 7. a second bump; 8. a card slot; 9. a first groove; 10. a second groove; 11. accommodating grooves; 12. a spring; 13. a movable rod; 14. pressing a block; 15. a clamping block; 16. a first adhesive; 17. a second adhesive; 18. and a third adhesive.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, the present invention provides a technical solution: the flame-retardant medium-high density fiberboard comprises a first flame-retardant layer 1; the top of the first flame-retardant layer 1 is provided with a decorative layer 2, the bottom of the first flame-retardant layer 1 is provided with a moisture-proof layer 3, the bottom of the moisture-proof layer 3 is provided with a sound-deadening layer 4, and the bottom of the sound-deadening layer 4 is provided with a second flame-retardant layer 5; the bottom of the decoration layer 2 is provided with a first lug 6 and a second lug 7, and the number of the first lugs 6 is 6 and divided into two groups which are symmetrically arranged at the bottoms of the two sides of the decoration layer 2; clamping grooves 8 are formed in the two sides of the second bump 7; first recess 9 has been seted up with the department that corresponds of first lug 6 to the top on first fire-retardant layer 1, and second recess 10 has been seted up with the department that corresponds of second lug 7 to the top on first fire-retardant layer 1, and holding tank 11 has all been seted up to the both sides of second recess 10, is equipped with fixed subassembly in the holding tank 11.

Further, the first flame-retardant layer 1 and the second flame-retardant layer 5 are both made of high-aluminum refractory fibers.

Further, the moisture-proof layer 3 is specifically a moisture-proof board, and the moisture-proof board is that certain proportion of moisture-proof particles, also called melamine board (substrate) are added in the production process of the substrate, so that the water-swelling degree of the board can be greatly reduced.

Further, the sound-absorbing layer 4 is made of sound-absorbing cotton, which is also called sound-absorbing cotton, and is a rolled/sheet material formed by processing single or multiple different fibers through multiple processes.

Further, the first bump 6 is of a rectangular parallelepiped structure, and the first bump 6 is matched with the first groove 9.

Further, the vertical section of the second bump 7 is a trapezoid structure with a large top and a small bottom, so that the second bump can be conveniently moved between the two extrusion blocks 14.

Further, fixed subassembly includes spring 12, and spring 12 sets up in holding tank 11, and spring 12 has movable rod 13 towards the one end rigid coupling of 11 notches in holding tank, and the one end activity that spring 12 was kept away from to movable rod 13 extends to holding tank 11's outside and rigid coupling have with briquetting 14.

Furthermore, one end of the pressurizing block 14, which is far away from the movable rod 13, is of an arc-shaped structure, a clamping block 15 is fixedly connected to the top of the arc-shaped structure, and the clamping block 15 is clamped with the clamping groove 8.

Further, the first flame-retardant layer 1 is connected with the moisture-proof layer 3 through a first adhesive 16; the moisture-proof layer 3 is connected with the noise reduction layer 4 through a second adhesive 17; the sound-deadening layer 4 is connected with the second flame-retardant layer 5 through a third adhesive 18.

The working principle is as follows: when the fireproof flame-retardant fiberboard is used, the first flame-retardant layer 1, the moisture-proof layer 3, the noise reduction layer 4 and the second flame-retardant layer 5 are sequentially bonded through the first adhesive 16, the second adhesive 17 and the third adhesive 18, and the first flame-retardant layer 1 and the second flame-retardant layer 5 are arranged, so that the medium-high density fiberboard has good fireproof flame-retardant performance; the arrangement of the sound-deadening layer 4 ensures that the medium and high density fiberboard has good sound-deadening function; the arrangement of the moisture-proof layer 3 ensures that the medium and high density fiberboard has good waterproof performance, avoids the medium and high density fiberboard from rotting due to water absorption, and prolongs the service life of the medium and high density fiberboard; later, install decorative layer 2 at the top of first fire-retardant layer 1, during the installation, with the first lug 6 block at decorative layer 2 bottom in the first recess 9 at first fire-retardant layer 1 top, meanwhile, second lug 7 inserts in second recess 10, the in-process of inserting, second lug 7 bottom is placed in between two briquetting 14, when continuing to insert, second lug 7 promotes extrusion piece 14, extrusion piece 14 extrudes spring 12 and makes spring 12 take place the deformation through movable rod 13, until fixture block 15 and draw-in groove 8 block, at this moment, extrusion piece 14 extrudees second lug 7 under the spring action of spring 12, can improve the steadiness of decorative layer 2, make difficult falling during the use of decorative layer 2, and easy operation, be convenient for change decorative layer 2, the pleasing to the eye of well high density fiberboard surface has been guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The flame-retardant medium-high density fiberboard is characterized by comprising a first flame-retardant layer (1); the decorative layer (2) is arranged on the top of the first flame-retardant layer (1), the moisture-proof layer (3) is arranged at the bottom of the first flame-retardant layer (1), the sound-deadening layer (4) is arranged at the bottom of the moisture-proof layer (3), and the second flame-retardant layer (5) is arranged at the bottom of the sound-deadening layer (4); a first bump (6) and a second bump (7) are arranged at the bottom of the decoration layer (2); clamping grooves (8) are formed in the two sides of the second bump (7); first recess (9) have been seted up with the department that corresponds of first lug (6) to the top on first fire-retardant layer (1), and second recess (10) have been seted up with the department that corresponds of second lug (7) to the top on first fire-retardant layer (1), and holding tank (11) have all been seted up to the both sides of second recess (10), are equipped with fixed subassembly in holding tank (11).

2. The flame-retardant medium-high density fiberboard of claim 1, wherein: the first flame-retardant layer (1) and the second flame-retardant layer (5) are both made of high-aluminum refractory fibers.

3. The flame-retardant medium-high density fiberboard of claim 1, wherein: the moisture-proof layer (3) is specifically a moisture-proof plate.

4. The flame-retardant medium-high density fiberboard of claim 1, wherein: the sound-deadening layer (4) is made of sound-deadening cotton.

5. The flame-retardant medium-high density fiberboard of claim 1, wherein: the first bump (6) is of a cuboid structure, and the first bump (6) is matched with the first groove (9).

6. The flame-retardant medium-high density fiberboard of claim 1, wherein: the vertical section of the second bump (7) is of a trapezoidal structure with a large upper part and a small lower part.

7. The flame-retardant medium-high density fiberboard of claim 1, wherein: fixed subassembly includes spring (12), and spring (12) set up in holding tank (11), and spring (12) have movable rod (13) towards the one end rigid coupling of holding tank (11) notch, and the one end activity that spring (12) were kept away from in movable rod (13) extends to the outside and the rigid coupling of holding tank (11) and has add briquetting (14).

8. The flame-retardant medium-high density fiberboard of claim 7, wherein: one end, far away from the movable rod (13), of the pressurizing block (14) is of an arc-shaped structure, a clamping block (15) is fixedly connected to the top of the arc-shaped structure, and the clamping block (15) is clamped with the clamping groove (8).

9. The flame-retardant medium-high density fiberboard of claim 1, wherein: the first flame-retardant layer (1) is connected with the moisture-proof layer (3) through a first adhesive (16); the moisture-proof layer (3) is connected with the sound-deadening layer (4) through a second adhesive (17); the sound-deadening layer (4) is connected with the second flame-retardant layer (5) through a third adhesive (18).

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