CN218716342U

CN218716342U - Steel fireproof door with sound absorption function

Info

Publication number: CN218716342U
Application number: CN202222829189.8U
Authority: CN
Inventors: 林旭
Original assignee: Shenzhen Longhui Sanhe Security Technology Co ltd
Current assignee: Shenzhen Longhui Sanhe Security Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-24
Anticipated expiration: 2032-10-26

Abstract

The utility model belongs to the technical field of prevent fire door, especially for having the steel of inhaling the sound function prevent fire door, including the door frame, door frame front end left part is provided with two fire prevention hinges, two the common hinged joint of fire prevention hinge has the steel door, door frame front end upper portion movable mounting has the connecting rod, connecting rod front end swing joint has fire prevention door closer, fire prevention door closer rear end and steel door front end left part fixed connection, the inside fixed mounting of door frame has the subassembly of making an uproar of falling, it contacts with steel door rear end to fall the subassembly front end of making an uproar, steel door front end upper portion is provided with fire prevention glass, door frame front end middle part fixed mounting has fire prevention door handle, steel door inner portion is provided with the interior cavity, the inside packing of steel door has sound absorbing mechanism. The utility model discloses fire door is prevented to the steel sound insulation is effectual, has the noise that reduces the steel door and frame collision when closing, reduces the noise that produces in the use.

Description

Steel fireproof door with sound absorption function

Technical Field

The utility model relates to a prevent fire door technical field, in particular to prevent fire door of steel with inhale sound function.

Background

The fireproof door is a door capable of meeting the requirements of fire resistance stability, integrity and heat insulation within a certain time, and is a fireproof partition with certain fire resistance arranged in a fireproof partition, an evacuation staircase, a vertical shaft and the like. The existing steel fireproof door has at least the following disadvantages in the use process: 1. when the existing steel fireproof door is used, because a lot of fireproof doors are arranged in resident staircases and office buildings, the steel fireproof door is heavy, and the door plate is hard, so that the door is easy to collide with the door frame when the door is opened and closed, huge sound is generated, noise is generated, and the office work and rest of people are influenced; 2. the existing steel fireproof door is poor in sound insulation effect, so that in the using process, the experience feeling is poor, and therefore a new steel fireproof door with the sound absorption function is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a fire door is prevented to steel with inhale sound function can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

fire door is prevented to steel with inhale sound function, including the door frame, door frame front end left part is provided with two fire prevention hinges, two the common hinged joint of fire prevention hinge has the steel door, door frame front end upper portion movable mounting has the connecting rod, connecting rod front end swing joint has fire prevention door closer, fire prevention door closer rear end and steel door front end left part fixed connection, the inside fixed mounting of door frame has the subassembly of making an uproar, the subassembly front end of making an uproar contacts with steel door rear end, steel door front end upper portion is provided with fire prevention glass, door frame front end middle part fixed mounting has the fire prevention door handle, steel door inside is provided with the cavity, the inside packing of steel door has sound absorbing mechanism.

Preferably, the noise reduction assembly comprises a shielding frame plate, sliding grooves and four sliding grooves are formed in four corners of the front end of the shielding frame plate, the sliding grooves are internally and movably connected with buffering parts and four mounting plates fixedly connected with the front ends of the buffering parts, and sound absorption sealing strips are fixedly mounted at the front ends of the mounting plates.

Preferably, the buffer piece comprises a connecting column, a limiting slide block is fixedly mounted at the rear end of the connecting column, and a buffer spring is fixedly connected at the rear end of the limiting slide block.

Preferably, spliced pole front end and mounting panel fixed connection, spacing slider surface and the inside sliding connection of sliding tray, buffer spring is located the sliding tray, just buffer spring rear end and the contact of sliding tray inner rear wall mutually, shelter from panel outer surface and door frame inner wall fixed connection, inhale the interior antetheca of sound sealing strip and contact with the steel door.

Preferably, inhale the sound mechanism and include the amortization cotton, the cotton inside packing of amortization has the clean shot, the acoustic panel before amortization cotton front end fixed mounting, the acoustic panel after the cotton rear end fixed mounting of amortization.

Preferably, the front end of the front sound-absorbing plate is contacted with the inner front wall of the steel door, and the rear end of the rear sound-absorbing plate is connected with the inner rear wall of the steel door.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through setting up four bolster on the noise reduction subassembly, the bolster comprises spliced pole, spacing slider and buffer spring, through four spliced poles and mounting panel fixed connection, mounting panel front end fixed mounting has the sound sealing strip of inhaling, when the steel door is closed with inhale the contact of sound sealing strip, in the closing process, the mounting panel is through the fixed connection with four spliced poles, make four spacing sliders slide backward in four sliding trays respectively, buffer spring through inside setting plays the cushioning effect, thereby the sound that the steel door and sheltering from the deckle board and producing the collision is effectively prevented, play the effect of the noise that reduces the collision;

2. the utility model discloses in, with steel door internal packing amortization cotton, preceding abatvoix and back abatvoix, through pack a plurality of clean shot in the amortization cotton, the clean shot is the vacuum spheroid, when having sound to transmit externally, through the cooperation of amortization cotton and clean shot, sound can't propagate in the vacuum to having reduced the propagation of sound, through preceding abatvoix and the cotton cooperation of amortization, reducing more the spreading into of sound, improving syllable-dividing effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the steel fireproof door with sound absorption function of the present invention;

FIG. 2 is a schematic view of the noise reduction assembly of the steel fireproof door with sound absorption function according to the present invention;

FIG. 3 is a schematic view of the overall structure of the buffering member of the steel fireproof door with sound absorption function of the present invention;

fig. 4 is the utility model discloses fire door's sound mechanism overall structure schematic diagram is inhaled to steel with inhale sound function.

In the figure: 1. a door frame; 2. a fire-proof hinge; 3. a connecting rod; 4. a fire door closer; 5. a noise reduction assembly; 501. a shielding frame plate; 502. a sliding groove; 503. mounting a plate; 504. a sound-absorbing sealing strip; 505. a buffer member; 51. connecting columns; 52. a limiting slide block; 53. a buffer spring; 6. a steel door; 7. a sound absorbing mechanism; 701. silencing cotton; 702. hollow spheres; 703. a front acoustic panel; 704. a rear acoustic panel; 8. a fire door handle; 9. fire-resistant glass.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

prevent fire door of steel with inhale sound function, including

door frame

1, 1 front end left part of door frame is provided with two fire prevention hinges 2, the common hinged joint of two fire prevention hinges 2 has

steel door

6, 1 front end upper portion movable mounting of door frame has connecting

rod

3, 3 front end swing joints of connecting rod have fire prevention door closer 4, 4 rear ends of fire prevention door closer and 6 front end left parts fixed connection of steel door, 1 inside fixed mounting of door frame has

noise reduction assembly

5, 5 front ends of noise reduction assembly contact with 6 rear ends of steel door, 6 front ends upper portions of steel door are provided with

fire prevention glass

9, 1 front end middle part fixed mounting of door frame has fire

prevention door handle

8, 6 inside cavities that are provided with of steel door, 6 inside packings of steel door have sound absorbing mechanism 7.

In this embodiment, the noise reduction assembly 5 includes a shielding frame plate 501, sliding grooves 502 are formed in four corners of the front end of the shielding frame plate 501, buffering members 505 are inserted into the four sliding grooves 502, the front ends of the four buffering members 505 are fixedly connected to a mounting plate 503, and a sound absorption sealing strip 504 is fixedly mounted at the front end of the mounting plate 503; the buffer 505 comprises a connecting column 51, a limiting slide block 52 is fixedly mounted at the rear end of the connecting column 51, and a buffer spring 53 is fixedly connected at the rear end of the limiting slide block 52; the front end of the connecting column 51 is fixedly connected with the mounting plate 503, the outer surface of the limiting slide block 52 is in sliding connection with the inside of the sliding groove 502, the buffer spring 53 is positioned in the sliding groove 502, the rear end of the buffer spring 53 is in contact with the inner rear wall of the sliding groove 502, the outer surface of the shielding frame plate 501 is fixedly connected with the inner wall of the door frame 1, and the inner front wall of the sound-absorbing sealing strip 504 is in contact with the steel door 6; through set up four bolster 505 on noise reduction assembly 5, bolster 505 is by spliced pole 51, spacing slider 52 and buffer spring 53 are constituteed, through four spliced pole 51 and mounting panel 503 fixed connection, mounting panel 503 front end fixed mounting has sound absorbing sealing strip 504, when steel door 6 closes with the contact of sound absorbing sealing strip 504, close the in-process, mounting panel 503 is through the fixed connection with four spliced pole 51, make four spacing slider 52 respectively in four sliding tray 502 backward slides, buffer spring 53 through inside setting plays the cushioning effect, thereby effectually prevent that steel door 6 from producing the sound of collision with sheltering from framed panel 501, play the effect of the noise that reduces the collision.

In this embodiment, sound absorbing mechanism 7 includes sound absorbing cotton 701, hollow balls 702 are filled in sound absorbing cotton 701, front sound absorbing board 703 is fixedly installed at the front end of sound absorbing cotton 701, and rear sound absorbing board 704 is fixedly installed at the rear end of sound absorbing cotton 701; the front end of the front sound-absorbing plate 703 is in contact with the inner front wall of the steel door 6, and the rear end of the rear sound-absorbing plate 704 is in contact with the inner rear wall of the steel door 6; with steel door 6 intussuseption amortization cotton 701, preceding abatvoix 703 and back abatvoix 704, through filling a plurality of clean shot 702 in amortization cotton 701, clean shot 702 is the vacuum spheroid, when having sound to transmit externally, through the cooperation of amortization cotton 701 and clean shot 702, sound can't be propagated in the vacuum to reduced the propagation of sound, through the cooperation of preceding abatvoix 703 and amortization cotton 701, more reduce passing into of sound, improve syllable-dividing effect.

It should be noted that, the utility model discloses a fire door is prevented to steel with inhale sound function, in the use, at first pack amortization cotton 701 in the steel door 6, preceding abatvoix 703 and back abatvoix 704, through pack a plurality of clean shot 702 in amortization cotton 701, clean shot 702 is the vacuum sphere, when sound is passed in externally, cooperation through amortization cotton 701 and clean shot 702, sound can't be propagated in the vacuum, the propagation of sound has been reduced, cooperation through preceding abatvoix 703 and amortization cotton 701, improve syllable-dividing effect, through set up four bolster 505 on noise reduction assembly 5, bolster 505 is by spliced pole 51, limit slider 52 and buffer spring 53 are constituteed, through four spliced poles 51 and mounting panel 503 fixed connection, mounting panel 503 front end fixed mounting has sound absorbing sealing strip 504, when steel door 6 closes with the contact of sound absorbing sealing strip 504, close the in-process, mounting panel 503 is through the fixed connection with four spliced pole 51, make four limit slider 52 slide backward in four sliding tray 502 respectively, buffer spring 53 through inside setting plays the cushioning effect, thereby effectually prevent that 6 and shelter from the steel door produces the collision noise, the noise of fire door 501 reduces the noise, the noise of steel door collision noise, the sound reduction in-making the sound-making use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Fire door is prevented to steel with inhale sound function, including door frame (1), its characterized in that: the door frame (1) front end left part is provided with two fire prevention hinges (2), two the common hinged joint of fire prevention hinge (2) has steel door (6), door frame (1) front end upper portion movable mounting has connecting rod (3), connecting rod (3) front end swing joint has fire prevention door closer (4), fire prevention door closer (4) rear end and steel door (6) front end left part fixed connection, door frame (1) inside fixed mounting has noise reduction assembly (5), noise reduction assembly (5) front end and steel door (6) rear end contact, steel door (6) front end upper portion is provided with fire prevention glass (9), door frame (1) front end middle part fixed mounting has fire prevention door handle (8), steel door (6) inside is provided with the cavity, sound mechanism (7) are inhaled to inside packing of steel door (6).

2. The fire steel door with sound absorption function as claimed in claim 1, wherein: noise reduction assembly (5) are including sheltering from framed panel (501), shelter from framed panel (501) front end four corners and all open sliding tray (502), four sliding tray (502) inside swing joint that all alternates has bolster (505), four the common fixedly connected with mounting panel (503) of bolster (505) front end, mounting panel (503) front end fixed mounting has sound absorbing sealing strip (504).

3. The fire steel door having a sound absorption function as claimed in claim 2, wherein: the buffer piece (505) comprises a connecting column (51), a limiting slide block (52) is fixedly mounted at the rear end of the connecting column (51), and a buffer spring (53) is fixedly connected at the rear end of the limiting slide block (52).

4. The fire steel door having a sound absorbing function as claimed in claim 3, wherein: spliced pole (51) front end and mounting panel (503) fixed connection, spacing slider (52) surface and sliding tray (502) inside sliding connection, buffer spring (53) are located sliding tray (502), just buffer spring (53) rear end contacts with sliding tray (502) interior back wall, shelter from panel (501) surface and door frame (1) inner wall fixed connection, inhale interior antetheca of sound sealing strip (504) and contact with steel door (6).

5. The fire steel door having a sound absorbing function as claimed in claim 1, wherein: inhale sound mechanism (7) including amortization cotton (701), amortization cotton (701) inside packing has clean shot (702), acoustic panel (703) before amortization cotton (701) front end fixed mounting, acoustic panel (704) after amortization cotton (701) rear end fixed mounting.

6. The fire steel door having a sound absorbing function as claimed in claim 5, wherein: the front end of the front sound-absorbing plate (703) is in contact with the inner front wall of the steel door (6), and the rear end of the rear sound-absorbing plate (704) is in contact with the inner rear wall of the steel door (6).