CN215408313U

CN215408313U - Sound-insulation fireproof door

Info

Publication number: CN215408313U
Application number: CN202121765102.4U
Authority: CN
Inventors: 鲍德荣
Original assignee: Wuhan Rongguang Fire Fighting Electric Appliance Co ltd
Current assignee: Wuhan Rongguang Fire Fighting Electric Appliance Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-01-04
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a sound-insulation fireproof door, which comprises a door body and a door frame, wherein a movable hinge is arranged on the side of the door body and the door frame, the door body is horizontally and rotatably arranged relative to the door frame along the movable hinge, and a fireproof window is arranged on the door body; a first sealing strip is annularly arranged on the inner side of the door body, a second sealing strip is annularly arranged at a corresponding position on the door frame, and when the door body is used for rotating and sealing the door frame, the first sealing strip and the second sealing strip are mutually pressed and buckled; the sealing gap between the first sealing strip and the second sealing strip is arranged in a wavy curve; a sound insulation structure is filled in the door body; the first sealing strip and the second sealing strip are arranged for sealing, so that the inner side and the outer side of the door body are isolated, and sound can be effectively prevented from being transmitted from a door gap; the sound insulation structure is filled in the door body, so that sound can be effectively prevented from passing through the door body and being transmitted out.

Description

Sound-insulation fireproof door

Technical Field

The utility model relates to the technical field of fireproof doors, in particular to a sound-insulation fireproof door.

Background

The fireproof door has multiple functions and practicability such as sealing, fire prevention, partition, safety, heat preservation and the like, and becomes an essential component in a building. However, the existing fire-proof doors have low strength, and the purpose of blocking sound between rooms or between halls is difficult to achieve, so that the use of such fire-proof doors in offices, conference rooms and other places with high requirements on privacy and sound insulation is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sound-insulation fireproof door to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a sound-insulation fireproof door comprises a door body and a door frame, wherein a movable hinge is arranged on the side of the door body and the door frame, the door body is horizontally and rotatably arranged relative to the door frame along the movable hinge, and a fireproof window is arranged on the door body; a first sealing strip is annularly arranged on the inner side of the door body, a second sealing strip is annularly arranged at a corresponding position on the door frame, and when the door body is used for rotating and sealing the door frame, the first sealing strip and the second sealing strip are mutually pressed and buckled; the sealing gap between the first sealing strip and the second sealing strip is arranged in a wavy curve; a sound insulation structure is filled in the door body; the first sealing strip and the second sealing strip are arranged for sealing, so that the inner side and the outer side of the door body are isolated, and sound can be effectively prevented from being transmitted from a door gap; the sound insulation structure is filled in the door body, so that sound can be effectively prevented from passing through the door body and being transmitted out.

Furthermore, the sound insulation structure sequentially comprises a sound insulation plate, a sound insulation damping layer and a sound absorption material from outside to inside, the two end faces of the sound absorption material are respectively and closely provided with the sound insulation damping layer, and the outer sides of the sound insulation damping layers at the two sides are respectively and closely provided with the sound insulation plate; the thicknesses of the sound absorbing material, the sound insulation damping layer and the sound insulation plate are sequentially reduced.

Furthermore, the sound insulation board is made of polyester fiber; the sound insulation damping layer is made of sound insulation felt; the sound-absorbing material is made of foamed aluminum.

Furthermore, the door body comprises an outer door body and an inner door body, the inner side surface of the outer door body and the inner side surface of the inner door body are respectively and fixedly provided with a fireproof structure, and the sound insulation structure is arranged between the two fireproof structures; fireproof structure includes interior metal framework and fire prevention pearlite board, interior metal framework is provided with empty groove body, empty groove body edge is provided with the fixed step of inside settlement, the setting of fire prevention pearlite board is in the internal department of empty groove, and its edge sets up on fixed step.

Furthermore, the first sealing strip and the second sealing strip are made of elastic rubber flame-retardant materials respectively.

Compared with the prior art, the utility model has the beneficial effects that: the first sealing strip and the second sealing strip are arranged at the gap between the door body and the door frame for sealing, the inner side and the outer side of the door body are isolated through the first sealing strip and the second sealing strip, sound can be effectively prevented from being transmitted from a door gap, and the transmission of the sound can be greatly hindered through a wavy sealing gap formed by the first sealing strip and the second sealing strip; meanwhile, a sound absorbing material structure is filled in the door body, and the sound absorbing structure sequentially comprises a sound insulating plate, a sound insulating damping layer and a sound absorbing material from outside to inside; the combined action of the multiple layers of sound insulation and absorption materials ensures that the door body has a great sound insulation effect.

Drawings

FIG. 1 is a schematic structural view of the door closure of the present invention;

FIG. 2 is a schematic structural view of the door body of the present invention;

FIG. 3 is a cross-sectional structural schematic view of the door body of the present invention;

FIG. 4 is a schematic structural view of part A of FIG. 3 according to the present invention;

FIG. 5 is a cross-sectional structural schematic view of a sound insulating structure of the present invention;

FIG. 6 is a schematic view of an exploded perspective structure of the door of the present invention;

fig. 7 is a schematic structural diagram of the inner metal framework of the present invention.

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.

Referring to the drawings, the present invention provides a technical solution: a sound-insulation fireproof door comprises a door body 1 and a door frame 2, wherein a movable hinge 3 is arranged on the side of the door body 1 and the door frame 2, the door body 1 is horizontally and rotatably arranged relative to the door frame 2 along the position of the movable hinge 3, and a fireproof window 4 is arranged on the door body 1; the door is characterized in that a first sealing strip 5 is annularly arranged on the inner side of the door body 1, a second sealing strip 6 is annularly arranged at a corresponding position on the door frame 2, and the first sealing strip 5 and the second sealing strip 6 are made of elastic rubber flame-retardant materials respectively. When the door body 1 rotates to seal the door frame 2, the first sealing strip 5 and the second sealing strip 6 are mutually pressed and buckled, and the sealing and sound insulation effects on the door seam are achieved; the sealing gaps 7 of the first sealing strip 5 and the second sealing strip 6 are arranged in a wavy curve, so that the sealing gaps 7 are in a wavy irregular shape, sound is weakened layer by layer through the walls of the sealing strips when passing through the sealing gaps 7, and compared with the conventional plane gap, the sound absorption effect is greatly enhanced; the door body 1 is filled with a sound insulation structure 8.

The sound insulation structure 8 sequentially comprises a sound insulation plate 81, a sound insulation damping layer 82 and a sound absorption material 83 from outside to inside, wherein the sound insulation plate 81 is made of polyester fiber; the sound insulation damping layer 82 is made of a sound insulation felt which is made of rubber and plastic; the sound absorbing material 83 is made of foamed aluminum. The sound-absorbing material 83 is respectively provided with sound-insulating damping layers 82 on both end surfaces thereof, and sound-insulating plates 81 on the outer sides of the two sound-insulating damping layers 82; wherein the sound absorption effect of the sound absorption material 83, the sound insulation damping layer 82 and the sound insulation board 81 is gradually reduced, and the thicknesses of the sound absorption material 83, the sound insulation damping layer 82 and the sound insulation board 81 are sequentially reduced, so that the transmission of sound can be blocked to the maximum extent; meanwhile, the door body 1 has a great sound insulation effect due to the combined effect of the multiple layers of sound insulation and absorption materials.

The door body 1 comprises an outer door body 11 and an inner door body 12, fireproof structures 13 are fixedly arranged on the inner side surface of the outer door body 11 and the inner side surface of the inner door body 12 respectively, and the sound insulation structure 8 is arranged between the two fireproof structures 13; the fireproof structure 13 comprises an inner metal framework 131 and a fireproof perlite plate 132, the inner metal framework 131 is provided with an empty groove 1310, the edge of the empty groove 1310 is provided with a fixed step 1311 which is settled inwards, the fireproof perlite plate 132 is arranged in the empty groove 1310, the edge of the fireproof perlite plate is erected on the fixed step 1310, the fireproof perlite plate 132 plays a role in fire prevention and temperature insulation, and the sound insulation structure 8 in the fireproof perlite plate is prevented from being damaged by heat.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. A sound insulation fireproof door comprises a door body (1) and a door frame (2), wherein a movable hinge (3) is arranged on the side of the door body (1) and the door frame (2), the door body (1) is horizontally and rotatably arranged relative to the door frame (2) along the movable hinge (3), and a fireproof window (4) is arranged on the door body (1); the door is characterized in that a first sealing strip (5) is arranged on the inner side of the door body (1) in an annular mode, a second sealing strip (6) is arranged on the corresponding position of the door frame (2) in an annular mode, and when the door body (1) seals the door frame (2) in a rotating mode, the first sealing strip (5) and the second sealing strip (6) are mutually pressed and buckled; the sealing gap (7) between the first sealing strip (5) and the second sealing strip (6) is arranged in a wavy curve; the door body (1) is filled with a sound insulation structure (8).

2. A sound insulating fire rated door as claimed in claim 1, wherein: the sound insulation structure (8) sequentially comprises a sound insulation plate (81), a sound insulation damping layer (82) and a sound absorption material (83) from outside to inside, the sound insulation damping layer (82) is respectively and closely attached to two end faces of the sound absorption material (83), and the sound insulation plate (81) is respectively and closely attached to the outer sides of the sound insulation damping layers (82) on the two sides; the sound absorbing material (83), the sound insulation damping layer (82) and the sound insulation board (81) are arranged in a manner that the thicknesses thereof are reduced in sequence.

3. A sound insulating fire rated door as claimed in claim 2, wherein: the sound insulation board (81) is made of polyester fiber; the sound insulation damping layer (82) is made of sound insulation felt; the sound absorption material (83) is made of foamed aluminum.

4. A sound insulating fire rated door as claimed in claim 1, wherein: the door body (1) comprises an outer door body (11) and an inner door body (12), fireproof structures (13) are fixedly arranged on the inner side surface of the outer door body (11) and the inner side surface of the inner door body (12) respectively, and the sound insulation structure (8) is arranged between the two fireproof structures (13); the fireproof structure (13) comprises an inner metal framework (131) and a fireproof perlite plate (132), the inner metal framework (131) is provided with an empty groove body (1310), the edge of the empty groove body (1310) is provided with a fixed step (1311) which sinks inwards, the fireproof perlite plate (132) is arranged in the empty groove body (1310), and the edge of the fireproof perlite plate is overlapped on the fixed step (1311).

5. A sound insulating fire rated door as claimed in claim 1, wherein: the first sealing strip (5) and the second sealing strip (6) are made of elastic rubber flame-retardant materials respectively.