Improved composite plywood with good sound insulation effect

Abstract

The improved composite plywood with the good sound insulation effect comprises a plywood body, the plywood body comprises a sound insulation mechanism, a first damp-proof layer and a second damp-proof layer are arranged on the upper surface and the lower surface of the sound insulation mechanism respectively, and a first flame-retardant layer and a second flame-retardant layer are arranged on the surface of the first damp-proof layer and the surface of the second damp-proof layer respectively. The surface of the first flame-retardant layer is provided with a first decorative layer, the surface of the second flame-retardant layer is provided with a second decorative layer, and the sound insulation mechanism comprises a supporting frame. And sound absorbing plates and sound absorbing cotton in the sound insulation mechanism are matched to absorb sound entering the plywood, so that the plywood has a good sound insulation effect, and meanwhile, the plywood has certain moisture-proof and flame-retardant effects.

Description

Technical Field

[0001] The utility model relates to the technical field related to plywood, in particular to an improved composite plywood with good sound insulation effect. Background Art

[0002] Plywood is a three-layer or multi-layer board material made by peeling wood segments into veneers or planing wood blocks into thin wood, and then gluing them with adhesive. It is usually made of an odd number of veneers, and the fiber directions of adjacent veneers are glued perpendicular to each other. A group of veneers are usually assembled and glued in such a way that the grain directions of adjacent layers are perpendicular to each other. Usually, the surface board and the inner board are symmetrically arranged on both sides of the center layer or the core. The slabs are made by crisscrossing the glued veneers in the direction of the grain, and then pressing them under heating or non-heating conditions.

[0003] With the continuous development of science and technology, people's requirements for plywood are constantly increasing. The existing plywood on the market still has the disadvantage of poor sound insulation. During use, traditional plywood is not equipped with special sound insulation materials for sound insulation, the sound insulation effect is not ideal, and the practicality is poor, which has affected people's lives to a certain extent. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The technical problem to be solved by the utility model is that plywood is commonly used in many fields nowadays. In the field of daily life, plywood is mostly used in furniture, and the sound insulation effect is poor when used. In the prior art, the sound insulation of plywood only adopts a single layer of sound insulation cotton or sound insulation board for sound insulation, resulting in unsatisfactory sound insulation effect of plywood and poor use effect.

[0006] (II) Technical solution

[0007] To solve the above problems, the utility model provides the following technical solutions: an improved composite plywood with good sound insulation effect, comprising a plywood body, the plywood body comprising a sound insulation mechanism, the upper and lower surfaces of the sound insulation mechanism are respectively provided with a first moisture-proof layer and a second moisture-proof layer, the surfaces of the first moisture-proof layer and the second moisture-proof layer are respectively provided with a first flame-retardant layer and a second flame-retardant layer, the surfaces of the first flame-retardant layer and the second flame-retardant layer are respectively provided with a first decorative layer and a second decorative layer, the sound insulation mechanism comprises a support frame, a sound-reflecting board is arranged in the support frame, a plurality of groups of sound-absorbing boards are arranged on the upper and lower surfaces of the sound-reflecting board, and the sound-absorbing boards are arranged on both sides of the sound-reflecting board in a honeycomb shape.

[0008] Furthermore, the support frame includes a group of support plates and a group of connecting plates, and both ends of the support plates are provided with card slots, and the card slots are engaged with both ends of the connecting plates.

[0009] Furthermore, a cavity is provided between the sound absorbing panels, and sound absorbing cotton is provided in the cavity.

[0010] Furthermore, the support plate is provided with a plurality of groups of sound absorbing holes, and the sound absorbing holes penetrate through the support plate.

[0011] Furthermore, the first moisture-proof layer, the second moisture-proof layer, the first flame-retardant layer and the second flame-retardant layer have the same thickness.

[0012] Furthermore, the first moisture-proof layer and the second moisture-proof layer are made of foamed plastic moisture-proof pads.

[0013] Furthermore, the first flame retardant layer and the second flame retardant layer are flame retardant cotton fireproof layers.

[0014] (III) Beneficial effects

[0015] The beneficial effects of the utility model are: the utility model has a novel structure and a low production cost. By arranging the sound-absorbing board and the sound-absorbing cotton in the sound-insulating mechanism, the sound entering the plywood can be absorbed, so that the plywood has a good sound insulation effect and has a certain moisture-proof and flame-retardant effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a structural diagram of the sound insulation mechanism of the utility model;

[0018] In the figure: 1-plywood body, 2-sound insulation mechanism, 3-first moisture-proof layer, 4-second moisture-proof layer, 5-first flame-retardant layer, 6-second flame-retardant layer, 7-first decorative layer, 8-second decorative layer, 9-support frame, 10-sound-reflecting board, 11-sound-absorbing board, 12-support plate, 13-slot, 14-connecting plate, 15-cavity, 16-sound-absorbing cotton, 17-sound-absorbing hole. DETAILED DESCRIPTION

[0019] 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. 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.

[0020] See also Figure 1 to Figure 2An improved composite plywood with good sound insulation effect comprises a plywood body 1, the plywood body 1 comprises a sound insulation mechanism 2, the upper and lower surfaces of the sound insulation mechanism 2 are respectively provided with a first moisture-proof layer 3 and a second moisture-proof layer 4, the surfaces of the first moisture-proof layer 3 and the second moisture-proof layer 4 are respectively provided with a first flame-retardant layer 5 and a second flame-retardant layer 6, the surfaces of the first flame-retardant layer 5 and the second flame-retardant layer 6 are respectively provided with a first decorative layer 7 and a second decorative layer 8, the sound insulation mechanism 2 comprises a supporting frame 9, a sound-reflecting plate 10 is arranged in the supporting frame 9, a plurality of sound-absorbing plates 11 are arranged on the upper and lower surfaces of the sound-reflecting plate 10, and the sound-absorbing plates 11 are arranged on both sides of the sound-reflecting plate 10 in a honeycomb shape.

[0021] Furthermore, the support frame 9 includes a set of support plates 12 and a set of connecting plates 14. The two ends of the support plates 12 are provided with card slots 13, and the card slots 13 are engaged with the two ends of the connecting plates 14. The support frame 9 plays a supporting and protective role for the sound insulation component 2, so as to prevent the plywood from damaging the sound insulation component 2 when it is subjected to force.

[0022] Furthermore, a cavity 15 is provided between the sound absorbing panels 11 , and a sound absorbing cotton 16 is provided in the cavity 15 , so that sound can be further absorbed by the sound absorbing cotton 16 .

[0023] Furthermore, a plurality of groups of sound-absorbing holes 17 are provided on the support plate 12 , and the sound-absorbing holes 17 penetrate the support plate 12 . The sound in the plywood can enter the sound insulation component 2 through the sound-absorbing holes 17 , and then the sound is absorbed by the cooperation between the sound-absorbing plate 11 and the sound-absorbing cotton 16 .

[0024] Furthermore, the thicknesses of the first moisture-proof layer 3, the second moisture-proof layer 4, the first flame-retardant layer 5 and the second flame-retardant layer 6 are the same, so that the plywood has better moisture-proof and flame-retardant properties, avoiding damage to the plywood body 1 during long-term use, thereby extending the service life of the plywood body 1.

[0025] Furthermore, the first moisture-proof layer 3 and the second moisture-proof layer 4 are made of foamed plastic moisture-proof pads, which have the characteristics of closed pores and non-water absorption, and have a good moisture-proof effect.

[0026] Furthermore, the first flame retardant layer 5 and the second flame retardant layer 6 are flame retardant cotton fireproof layers. The flame retardant cotton is a fireproof material synthesized by adding flame retardants to various polyurethanes, and has a good flame retardant effect.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An improved composite plywood with good sound insulation effect, characterized in that: The invention comprises a plywood body (1), wherein the plywood body (1) comprises a sound insulation mechanism (2), wherein the upper and lower surfaces of the sound insulation mechanism (2) are respectively provided with a first moisture-proof layer (3) and a second moisture-proof layer (4), wherein the surfaces of the first moisture-proof layer (3) and the second moisture-proof layer (4) are respectively provided with a first flame-retardant layer (5) and a second flame-retardant layer (6), wherein the surfaces of the first flame-retardant layer (5) and the second flame-retardant layer (6) are respectively provided with a first decorative layer (7) and a second decorative layer (8), wherein the sound insulation mechanism (2) comprises a support frame (9), wherein a sound-reflecting plate (10) is arranged inside the support frame (9), wherein the upper and lower surfaces of the sound-reflecting plate (10) are both provided with a plurality of groups of sound-absorbing plates (11), wherein the sound-absorbing plates (11) are arranged in a honeycomb shape on both surfaces of the sound-reflecting plate (10).

2. The improved composite plywood with good sound insulation effect according to claim 1, characterized in that: The support frame (9) comprises a group of support plates (12) and a group of connecting plates (14); both ends of the support plates (12) are provided with card slots (13); and the card slots (13) are card-engaged with both ends of the connecting plates (14).

3. The improved composite plywood with good sound insulation effect according to claim 1, characterized in that: A cavity (15) is provided between the sound absorbing panels (11), and sound absorbing cotton (16) is provided in the cavity (15).

4. The improved composite plywood with good sound insulation effect according to claim 2, characterized in that: The support plate (12) is provided with a plurality of groups of sound absorbing holes (17), and the sound absorbing holes (17) penetrate the support plate (12).

5. The improved composite plywood with good sound insulation effect according to claim 1, characterized in that: The first moisture-proof layer (3), the second moisture-proof layer (4), the first flame-retardant layer (5) and the second flame-retardant layer (6) have the same thickness.

6. The improved composite plywood with good sound insulation effect according to claim 1, characterized in that: The first moisture-proof layer (3) and the second moisture-proof layer (4) are composed of foamed plastic moisture-proof pads.

7. The improved composite plywood with good sound insulation effect according to claim 1, characterized in that: The first flame retardant layer (5) and the second flame retardant layer (6) are flame retardant cotton fireproof layers.

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