CN210858503U - A sound insulation steel door with good thermal insulation effect - Google Patents

Abstract

The utility model discloses a sound insulation steel door with good thermal insulation effect, which belongs to the field of steel doors. The inner wall of the door frame is covered with a sound insulation layer, and the door leaf includes an outer steel plate and an inner steel plate located on the front and rear outer sides. The opposite side walls of the outer steel plate and the inner steel plate are fixedly connected with sound insulation boards. A fireproof layer is arranged between the boards, and reinforced steel plates are fixedly connected between the upper and lower side walls of the two sound insulation boards. In the formed thermal insulation cavity, the thermal insulation effect of the sound insulation steel plate is effectively improved to a certain extent, and the mechanical strength of the steel plate is effectively improved by the reinforcement of the steel plate to a certain extent. It also has certain fire resistance.

Description

A sound insulation steel door with good thermal insulation effect

technical field

The utility model relates to the field of steel doors, in particular to a sound insulation steel door with good thermal insulation effect.

Background technique

With the rapid development of industry and urbanization, the degree of noise pollution has inevitably increased. In order to reduce noise interference, soundproof steel doors are more and more widely used. Soundproof steel doors are widely used in the interior and outdoor.

Existing sound-insulating steel doors are often only composed of steel plates and sound-insulating panels, and their mechanical strength and sound-insulation performance need to be improved. Sound insulation steel doors have poor thermal insulation properties.

To this end, we propose a sound insulation steel door with good thermal insulation effect to effectively improve the performance of the existing sound insulation steel door.

Utility model content

1. Technical problems to be solved

In view of the problems existing in the prior art, the purpose of this utility model is to provide a sound insulation steel door with good thermal insulation effect. In the thermal insulation cavity formed by the reinforced steel plate, the thermal insulation effect of the sound insulation steel plate is effectively improved to a certain extent. The quality board also has certain fire resistance.

2. Technical solutions

In order to solve the above problems, the present invention adopts the following technical solutions.

A sound insulation steel door with good thermal insulation effect comprises a door leaf and a door frame, the door leaf is rotatably connected to the side wall of the door frame through a plurality of hinges, the inner wall of the door frame is covered with a sound insulation layer, and the door leaf includes a front and rear The outer layer steel plate and the inner layer steel plate on the outside, the opposite side walls of the outer layer steel plate and the inner layer steel plate are fixedly connected with sound insulation boards, and a fireproof layer is arranged between the outer layer steel plate and the sound insulation board, and the two said A reinforced steel plate is fixedly connected between the upper and lower side walls of the sound insulation board, the two ends of the reinforced steel plate are respectively fixedly connected with the opposite side walls of the two sound insulation boards, and a thermal insulation cavity is formed between the two reinforced steel plates. The thermal insulation cavity is filled with a thermal insulation layer, and decorative panels are fixedly connected to the surrounding outer walls of the door leaf. The thermal insulation cavity formed by the steel plate effectively improves the thermal insulation effect of the soundproof steel plate to a certain extent, and at the same time, the reinforcement of the steel plate effectively improves the mechanical strength of the steel plate to a certain extent. The board also has certain fire resistance.

Further, the sound insulation layer comprises a sound insulation felt layer wrapped on the inner wall of the door frame, the outer surface of the sound insulation felt layer is covered with a fireproof expansion sealing strip, and the outer side wall of the door leaf is sealed and embedded with the fireproof expansion sealing strip, In addition to sound insulation, it also has a little fire resistance, which effectively avoids excessive gaps between the door leaf and the door frame, resulting in poor sound insulation and fire protection.

Further, the fireproof layer is a fireproof board fixedly embedded between the outer steel plate and the sound insulation board, and the side wall of one end of the fireproof board close to the outer steel plate is coated with a waterproof glue layer, which improves the fireproof performance of the door leaf.

Further, a plurality of fixing sheaths are provided on the side walls at both ends of the two reinforced steel plates, and fixing grooves matching the fixing sheaths are drilled on the opposite side walls of the upper and lower ends of the two soundproof panels, and are fixed. The interference fit between the sheath and the fixing groove facilitates to a certain extent the reinforced steel plate to be fixedly embedded between the two sound insulation boards, and the arrangement of the reinforced steel plate is beneficial to improve the mechanical strength of the steel plate.

Further, the thermal insulation layer includes thermal insulation boards fixedly connected to the opposite side walls of the two sound insulation boards, the opposite side walls of the two thermal insulation boards are covered with polystyrene foam plastic layers, and the thermal insulation boards are made of phenolic insulation. The board not only has the function of heat preservation after being matched with the polystyrene foam layer, but also has a certain flame retardancy to a certain extent.

Further, a glass wool layer is filled between the two polystyrene foam plastic layers, and the glass wool layer has the effects of sound insulation and thermal insulation.

3. Beneficial effects

Compared with the prior art, the advantages of the present utility model are:

(1) This scheme effectively improves the sound insulation steel quality to a certain extent by arranging a thermal insulation layer in the sound insulation steel plate with sound insulation board, and the thermal insulation layer is embedded in the thermal insulation cavity formed by the two reinforced steel plates. At the same time, strengthening the steel plate effectively improves the mechanical strength of the steel plate to a certain extent, and the steel plate also has a certain fire resistance.

(2) The sound insulation layer includes a sound insulation felt layer wrapped on the inner wall of the door frame. The outer surface of the sound insulation felt layer is covered with a fireproof expansion sealing strip, and the outer side wall of the door leaf is sealed and embedded with the fireproof expansion sealing strip. At the same time, it also has a little fire resistance, which can effectively avoid excessive gaps between the door leaf and the door frame, resulting in poor sound insulation and fire protection.

(3) A plurality of fixing sheaths are arranged on the side walls at both ends of the two reinforced steel plates, and fixing grooves matching the fixing sheaths are drilled on the opposite side walls of the upper and lower ends of the two soundproof panels, and the fixing sheaths and the fixing grooves The interference fit is convenient to a certain extent to fix and embed the reinforced steel plate between the two sound insulation boards, and the arrangement of the reinforced steel plate is beneficial to improve the mechanical strength of the steel plate.

(4) The thermal insulation layer includes thermal insulation boards that are fixedly connected to the opposite side walls of the two sound insulation boards. The opposite side walls of the two thermal insulation boards are covered with polystyrene foam plastic layers. After the styrene foam plastic layer is matched, it not only has a thermal insulation effect, but also has a certain flame retardancy to a certain extent. A glass wool layer is filled between the two polystyrene foam plastic layers, and the glass wool layer has sound insulation and thermal insulation. Effect.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is the partial three-dimensional structure schematic diagram of the door leaf of the utility model;

Fig. 3 is the three-dimensional structure schematic diagram of the reinforcement steel plate of the utility model;

Fig. 4 is the three-dimensional structure schematic diagram of the sound insulation board of the present invention;

Fig. 5 is the three-dimensional structure schematic diagram of the door leaf of the utility model;

6 is a schematic diagram of the external three-dimensional structure of the door leaf of the present invention.

Description of the labels in the figure:

1 door leaf, 2 door frame, 3 sound insulation felt layer, 4 fire expansion sealing strip, 5 outer steel plate, 6 inner steel plate, 7 sound insulation board, 8 reinforced steel plate, 9 fireproof layer, 10 fixed sheath, 11 fixed groove, 12 thermal insulation board , 13 polystyrene foam layers, 14 glass wool layers, 15 decorative panels, 16 thermal insulation chambers.

Detailed ways

The following will be combined with the accompanying drawings in the embodiments of the present utility model; the technical solutions in the embodiments of the present utility model will be described clearly and completely; obviously; the described embodiments are only a part of the embodiments of the present utility model; rather than all the implementations For example, based on the embodiments of the present invention; all other embodiments obtained by persons of ordinary skill in the art without creative work; all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. is based on the drawings shown in the drawings. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limit. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be two elements Internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example 1:

Please refer to Fig. 1, a sound insulation steel door with good thermal insulation effect includes a door leaf 1 and a door frame 2. The door leaf 1 is connected to the side wall of the door frame 2 through a plurality of hinges. It is not marked in the figure and will not be done here. To repeat, the inner wall of the door frame 2 is covered with a sound insulation layer, the sound insulation layer includes a sound insulation felt layer 3 covered on the inner wall of the door frame 2, the outer surface of the sound insulation felt layer 3 is covered with a fireproof expansion seal 4, and the door leaf 1 The outer side wall is sealed and embedded with the fireproof expansion sealing strip 4, which not only has sound insulation, but also has a little fireproof property, which effectively avoids excessive gaps between the door leaf 1 and the door frame 2, resulting in poor sound insulation and fire prevention effects.

Please refer to FIG. 2 , the door leaf 1 includes an outer layer steel plate 5 and an inner layer steel plate 6 located on the front and rear outer sides. The opposite side walls of the outer layer steel plate 5 and the inner layer steel plate 6 are fixedly connected with sound insulation boards 7. The outer layer steel plate 5 and the sound insulation plate 7 are fixedly connected. A fireproof layer 9 is provided between the plates 7. The fireproof layer 9 is a fireproof plate fixedly embedded between the outer steel plate 5 and the sound insulation plate 7. The fireproof performance of the door leaf 1 is improved. The upper and lower side walls of the two sound insulation boards 7 are fixedly connected with reinforced steel plates 8 , and the two ends of the reinforced steel plates 8 are fixedly connected to the opposite side walls of the two sound insulation boards 7 respectively.

Please refer to FIGS. 3-4 , a plurality of fixing sheaths 10 are provided on the side walls at both ends of the two reinforcing steel plates 8 , and fixing sheaths 10 are drilled on the opposite side walls of the upper and lower ends of the two sound insulation panels 7 . Slot 11, and the interference fit between the fixing sheath 10 and the fixing slot 11, to a certain extent, it is convenient to fix the reinforcement steel plate 8 between the two sound insulation boards 7, and the arrangement of the reinforcement steel plate 8 is conducive to improving the mechanical properties of the steel plate. strength.

2 and 5, a thermal insulation cavity 16 is formed between the two reinforced steel plates 8, and the thermal insulation cavity 16 is filled with a thermal insulation layer. Board 12, the opposite side walls of the two insulation boards 12 are covered with a polystyrene foam plastic layer 13, and the insulation board 12 adopts a phenolic insulation board. The flame retardancy of the soundproof steel door is improved to a certain extent. In addition, a glass wool layer 14 is filled between the two polystyrene foam plastic layers 13, and the glass wool layer 14 has the effects of sound insulation and thermal insulation.

Referring to FIG. 6 , decorative panels 15 are fixedly connected to the surrounding outer side walls of the door leaf 1 , which can reinforce and beautify the steel door.

By arranging the sound insulation felt layer 3 and the fireproof expansion sealing strip 4 on the inner wall of the door frame 2 of the steel door in the present invention in sequence from the inside to the outside, the sound insulation felt layer 3 has a good sound absorption effect, and the fireproof expansion sealing strip 4 is improved. The sealing between the door frame 2 and the door leaf 1 also has a certain fire resistance, and the inner side of the outer steel plate 5 of the door leaf 1 is provided with a fireproof layer 9, which further improves the fire resistance of the steel door;

In addition, the addition of reinforcing steel plates 8 on the upper and lower ends of the door leaf 1 is beneficial to improve the overall mechanical strength of the door leaf 1 on the one hand, and it is convenient to fill the thermal insulation layer on the other hand. The thermal insulation layer consists of two thermal insulation boards 12 and two polystyrene The foam plastic layer 13 is composed of two polystyrene foam plastic layers 13 located between the two thermal insulation boards 12. The thermal insulation board 12 is a phenolic thermal insulation board. A phenolic insulation board is arranged on the outer layers of the two polystyrene foam plastic layers 13, which not only has good thermal insulation and heat insulation, but also has a certain flame retardancy. The glass wool layer 14 is filled in between, and the glass wool layer 14 not only has a sound insulation effect, but also has a certain thermal insulation effect, which further effectively improves the thermal insulation effect of the sound insulation steel plate.

The above is only a preferred embodiment of the present utility model; but the protection scope of the present utility model is not limited to this; any person skilled in the art is within the technical scope disclosed by the present utility model; according to the present utility model The new technical solutions and their improved ideas are equivalently replaced or changed; all should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an effectual sound insulation steel door keeps warm, includes door leaf (1) and door frame (2), its characterized in that: the door leaf (1) is rotationally connected to the side wall of the door frame (2) through a plurality of hinges, the inner wall of the door frame (2) is coated with a sound insulation layer, the door leaf (1) comprises an outer layer steel plate (5) and an inner layer steel plate (6) which are positioned at the front and rear outer sides, the opposite side walls of the outer layer steel plate (5) and the inner layer steel plate (6) are fixedly connected with sound insulation plates (7), a fireproof layer (9) is arranged between the outer layer steel plate (5) and the sound insulation plates (7), reinforcing steel plates (8) are fixedly connected between the upper side wall and the lower side wall of each of the two sound insulation plates (7), two ends of the reinforced steel plates (8) are respectively and fixedly connected with the opposite side walls of the two sound insulation plates (7), a heat preservation and insulation cavity (16) is formed between the two reinforced steel plates (8), the heat-insulation cavity (16) is filled with a heat-insulation layer, and the outer side walls of the periphery of the door leaf (1) are fixedly connected with decorative plates (15).

2. The soundproof steel door with good heat preservation effect according to claim 1, wherein: the puigging is including cladding sound insulation felt layer (3) on door frame (2) inner wall, the surface cladding of sound insulation felt layer (3) has fire prevention expansion seal strip (4), and the lateral wall of door leaf (1) inlays mutually with fire prevention expansion seal strip (4) and establishes.

3. The soundproof steel door with good heat preservation effect according to claim 1, wherein: the fireproof layer (9) is a fireproof plate fixedly embedded between the outer steel plate (5) and the sound insulation plate (7), and a waterproof adhesive layer is coated on one end side wall of the fireproof plate close to the outer steel plate (5).

4. The soundproof steel door with good heat preservation effect according to claim 1, wherein: two all be equipped with a plurality of fixed sheaths (10) on the both ends lateral wall of reinforcing steel sheet (8), two all open on the relative lateral wall of the upper and lower extreme of acoustic celotex board (7) chisel have with fixed sheath (10) assorted fixed slot (11), and fixed sheath (10) and fixed slot (11) interference fit.

5. The soundproof steel door with good heat preservation effect according to claim 1, wherein: the heat preservation layer comprises heat preservation plates (12) fixedly connected to opposite side walls of the two sound insulation plates (7), and polystyrene foam layers (13) are coated on the opposite side walls of the two heat preservation plates (12).

6. The soundproof steel door with good heat preservation effect of claim 5, wherein: a glass wool layer (14) is filled between the two polystyrene foam plastic layers (13).

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