CN217581930U - Corrugated structure sandwich sound insulation door based on micropore thin wall dispersion noise elimination mechanism - Google Patents

Abstract

The utility model discloses a flute structure presss from both sides core soundproof door based on micropore thin wall dispersion noise elimination mechanism, including dash board, wooden door frame and the sandwich layer that gives sound insulation, the sandwich layer that gives sound insulation is formed by acoustic celotex board and upper and lower corrugated sheet bonding, the corrugated sheet comprises corrugated core strip, and corrugated core strip contains a plane former baseband at least, and a flute former baseband, plane former baseband splice with the protruding limit of flute former baseband, the flute cell element structure of well hollow shape in the formation. The sound insulation sandwich layer structure characteristic of the sound insulation door plate is as follows: the two layers of corrugated boards of the internal-clamping sound insulation board are bonded with the surface board, so that the sound insulation core layer forms a double-layer corrugated hollow cell structure, and the board has excellent sound insulation performance. The sound insulation door disclosed by the invention has the advantages of good sound insulation performance, light weight, high strength, modern environmental protection and the like, and meets the sound insulation requirements of household doors and commercial doors.

Description

Corrugated structure sandwich sound insulation door based on micropore thin wall dispersion noise elimination mechanism

Technical Field

The utility model belongs to the technical field of door and window, especially, relate to based on flute structure sandwich layer soundproof door.

Background

The door is an entrance of a building or a device which is arranged at the entrance and can be opened and closed, plays the roles of blocking, shielding and sealing, is an essential object for house construction, and as the living standard of people is improved, people also continuously pursue high living quality. The prior art is mainly formed by laminating sound insulation materials such as felt, and the sound insulation materials are high in density and high in price, so that the price of a door product is directly increased, and the service life of a door hinge is influenced due to the fact that the weight of the door is large, so that the development of a low-price, light-weight and high-strength mute door is an objective requirement for high-quality development of the building door industry.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the drawback that present sound insulation material density is big, the price is high, develops a space nature flute thin wall cell material and the timber structure that gives sound insulation of light excellence. The corrugated cell structure with the thin-wall gaps can disperse and block sound from all directions, sound energy is converted into kinetic energy through vibration of the thin wall, and meanwhile vibration in different directions can be mutually offset, so that the effects of noise reduction and sound insulation are realized; the corrugated units of the micropore small walls are filled with air, and meanwhile, the heat insulation effect is excellent. In addition, the thin-wall cell structure has extremely high strength-weight ratio, so that the prepared wood door has the advantages of adjustable strength, excellent sound insulation and heat preservation stability, light weight, easiness in degradation, recyclability and the like, and the method is simple in process and easy for industrial production.

In order to solve the technical problem, the utility model discloses a following technical scheme:

soundproof door based on flute structure sandwich layer, including the sandwich layer that gives sound insulation in dash board and the embedding wooden door frame, the sandwich layer that gives sound insulation is formed by the acoustic celotex board with upper and lower corrugated sheet bonding, and the corrugated sheet comprises the corrugated core strip, and the corrugated core strip contains the former baseband of a plane at least, the former baseband of a flute, and the former baseband of plane splices with the protruding limit of the former baseband of flute, forms the flute cell element structure of well hollow shape, makes panel have good sound-proofing performance. Experiments show that the soundproof door made of the corrugated structure core layer has better soundproof performance than soundproof doors made of a hollow shaving board core layer and a single-layer corrugated board core layer.

As a further improvement to the above technical solution:

1. the sound insulation core layer (3) is of at least one layer of corrugated board (302) structure or one layer of sound insulation board (301) structure with upper and lower covering surfaces of the corrugated board (302).

2. The surface plate (1), the sound insulation core layer (3) and each layer of the sound insulation core layer (3) can be bonded by using structural adhesive or can be directly clad without using the structural adhesive.

3. The sound insulation board (301) can be one of thin kraft cardboard, thick kraft cardboard, soundproof cotton and fiber board.

4. The surface plate (1) can be one of a fiber board, a solid wood board and a particle board.

5. The corrugated board (302) can be made of B, A, E, EB and EBA pits.

Compared with the prior art, the technology has the advantages that:

experiments show that compared with the hollow shaving board core layer soundproof door and the corrugated structure soundproof door without the soundproof board soundproof core layer, the soundproof door with the corrugated structure soundproof door as the core layer has the advantages that the soundproof performance under the medium-frequency noise is remarkably improved, and the soundproof core layer with the soundproof board and the soundproof core layer made of the same material but with the thickness of the soundproof board increased can also bring remarkable improvement under the medium-frequency noise; the surface plate can be replaced by a material with higher strength to adapt to different application scenes, compared with the prior composite plate technology, the sound insulation core layer has multiple compositions, and different types of sound insulation core layers can be selected under different application scenes. The multilayer composite structure is convenient to directly seal edges, the excellent sound insulation performance of the multilayer corrugated cellular structure is utilized, the board has excellent sound insulation performance on the basis of good strength, and the board has the advantages of adjustable strength, excellent sound insulation performance, light weight, less material consumption and the like, and the method is simple in process and easy for industrial production. In summary, the utility model has the advantages that:

1. the cost is low: the utility model discloses the soundproof door board of preparation adopts low price's corrugated sheet, paper acoustic celotex board, fibreboard surface board as the base material, has practiced thrift manufacturing cost in the very big degree.

2. The strength is adjustable: the utility model discloses the dash board that the door plant that gives sound insulation adopted can be replaced to different materials in order to deal with different application scenes, and the acoustic celotex board also can be replaced to the panel that intensity is big further increases door plant intensity.

3. The sound insulation is adjustable: the utility model discloses be equipped with syllable-dividing sandwich layer alone, thereby can change the application scene of sound insulation performance in order to deal with the difference through the type that changes syllable-dividing sandwich layer.

4. Modern environmental protection: the manufactured wooden door has high strength, smooth surface, good shock resistance and buffering property, sound absorption, heat insulation and no pollution, can recycle paper-based materials and the like, and accords with the modern environmental protection trend.

Drawings

Fig. 1 is a schematic view of the structure of the soundproof door based on the corrugated structure core in example 1.

Fig. 2 is an exploded view of the insulated door panel of example 1.

Fig. 3 is a schematic view of the structure of a medium-laminated corrugated core in example 1.

Fig. 4 is a schematic view of a corrugated board base band structure.

FIG. 5 is a partial exploded view of the diaphragm door panel of example 2.

Figure 6 is a schematic illustration of an exploded section of the septum door panel of example 3.

FIG. 7 is a partial exploded view of the diaphragm door panel of example 4.

FIG. 8 is a partial exploded view of the diaphragm door panel of example 5.

The reference numerals in the figures denote:

1. a surface plate; 2. a frame; 3. a sound-insulating core layer; 301. a sound insulating board; 302. a corrugated board; 4. a base band plate; 401. a plane original baseband; 402. a corrugated original baseband; 5. a cell structure;

Detailed Description

The invention will be described in further detail with reference to the drawings and specific embodiments.

Example 1 (Kraft cardboard soundproof, B-type corrugated board)

In this embodiment, fig. 1 to 4 show a soundproof door based on a corrugated structure core layer, the corrugated board (302) structure is covered on the upper and lower of one layer of soundproof board (301) in the soundproof core layer (3), the soundproof board (301) is thin kraft liner paper, and the corrugated board (302) is B-type corrugated. The corrugated board (302) at least comprises a plane original base band (401) and a corrugated original base band (402). The original base band (401) of a plane is evenly divided into partitions at intervals and is bonded with the protruding edge of the original base band (402) of a corrugated plate, the partitions are repeatedly bonded and stacked continuously, the corrugated plate (302) is cut in a combined mode, the two sides of the sound insulation plate (301) are bonded with the corrugated plate (402) to form a sound insulation core layer (3), and the sound insulation door plate based on the corrugated structure core layer can be obtained by embedding the sound insulation core layer (3) into the surface plate (201) and the frame (2).

In this structure, by the two-layer cavity cell structure of acoustic celotex board divided can strengthen the sound-proof performance greatly, secondly the sandwich layer each direction is arranged balancedly, makes its nail-holding power, banding intensity obtain very big breakthrough, has expanded application scope. Compared with traditional door plates such as solid wood sandwich door plates, artificial board sandwich door plates, foam plastic sandwich door plates and the like, the door plate has stronger sound insulation performance, and has the characteristics of heat insulation, environmental protection, low manufacturing cost and the like.

Example 2 (Kraft cardboard, B-corrugated board)

In this embodiment, fig. 5 shows a soundproof door based on a corrugated structure core layer, the sound insulation core layer (3) is a structure of upper and lower facing corrugated boards (302) of a layer of sound insulation board (301), the sound insulation board (30) is a thin kraft liner paperboard, and the corrugated board (302) is a B-type corrugated board. The other structure is the same as that of embodiment 1.

The structure has good sound insulation and heat insulation performance, but the cost is slightly high, and the structure is suitable for middle-high grade wooden doors.

Example 3 (No acoustical panel, single layer thickening B type corrugated board)

In this embodiment, fig. 6 shows a soundproof door based on a corrugated structure core layer, where the corrugated structure core layer (3) is a structure of a single-layer corrugated board (302), and the corrugated board (302) is a B-type corrugation. The other structure is the same as that of embodiment 1.

The structure has better sound insulation and heat insulation performance and low cost, and is suitable for middle and low grade wooden doors.

Example 4 (two-layer corrugated board type B without acoustic insulation)

In this embodiment, fig. 7 shows a soundproof door based on a corrugated structure core layer, the soundproof core layer (3) is a two-layer corrugated board (302) structure, no additional soundproof board is provided in the middle, and the corrugated board (302) is B-type corrugated. The other structure is the same as that of embodiment 1.

The structure has good sound insulation and heat insulation performance and low cost, and is suitable for middle and low-grade wooden doors.

Example 5 (Kraft cardboard soundproof, A-type corrugated board)

In this embodiment, fig. 8 shows a soundproof door based on a corrugated structure core layer, where the sound insulation core layer (3) is a structure of corrugated boards (302) covered on the upper and lower surfaces of one layer of sound insulation board (301), the sound insulation board (301) is a thin kraft liner board, and the corrugated boards (302) are a-type corrugations. The other structure is the same as that of embodiment 1.

The structure has good sound insulation and heat insulation performance, large corrugated cavity and low cost, and is suitable for middle and low-grade wooden doors.

The sound insulation performance at low, medium and high frequencies of the paper-based corrugated sandwich composite panels of examples 1, 2 and 3 and the comparison results with other sandwich composite panels are shown in tables 1 to 3.

TABLE 1 Sound insulation at Low frequencies for different types of sandwich panels

TABLE 2 Sound insulation performance of different types of sandwich panels at intermediate frequency

TABLE 3 Sound insulation Properties of different types of sandwich panels at high frequency

Claims (5)

1. The utility model provides a corrugated structure presss from both sides core soundproof door based on micropore thin wall dispersion noise elimination mechanism, includes dash board (1), wooden door frame (2) and imbeds sound insulation sandwich layer (3) in wooden door frame (2), its characterized in that: the sound insulation core layer (3) is of at least one layer of corrugated board (302) structure or a layer of sound insulation board (301) sandwiched between two layers of corrugated boards (302) structure; the corrugated board (302) at least comprises a plane original base band (401) and a corrugated original base band (402); the original plane base band (401) is evenly divided at intervals and is glued with the convex edge of the original corrugated base band (402) to form a hollow corrugated cell structure (5).

2. The corrugated structure sandwich sound-insulation door based on the microporous thin-wall dispersion noise elimination mechanism is characterized in that: the surface plate (1), the sound insulation core layer (3) and the wood door frame (2) are bonded by structural adhesive; all layers of the sound insulation core layer (3) are bonded by structural adhesive or are not bonded by the structural adhesive.

3. The corrugated structure sandwich sound-insulation door based on the microporous thin-wall dispersion noise elimination mechanism is characterized in that: the sound insulation board (301) is made of thin kraft cardboard with the thickness of 0.1-0.3mm, kraft cardboard with the thickness of 0.3-2.0mm, sound insulation cotton, sound insulation felt or thin plate type wood materials.

4. The corrugated structure sandwich sound-insulation door based on the microporous thin-wall dispersion noise elimination mechanism is characterized in that: the surface board (1) is a wood-based artificial board or a veneer thereof.

5. The corrugated structure sandwich sound-insulation door based on the microporous thin-wall dispersion noise elimination mechanism is characterized in that: the corrugated board (302) is made of B, A, E, EB, EBA pit grains or a combination form.

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