Noise reduction and sound insulation assembly of fire-fighting fan

Abstract

The utility model discloses a fire-fighting fan noise reduction and sound insulation assembly, which relates to the technical field of fire-fighting fans, and comprises a mounting underframe and a protection assembly, a synergistic plate is arranged outside the mounting underframe, and the protection assembly suitable for noise reduction and sound insulation of fire-fighting fans of different sizes is arranged at the upper end of the mounting underframe. And the protection assembly comprises an adjusting top frame, a fixing plate, a sound insulation plate, a mounting rubber block and a connecting plate, the fixing plate is mounted on the side edge of the adjusting top frame, and the sound insulation plate is arranged on the inner side of the adjusting top frame. According to the noise reduction and sound insulation assembly for the fire-fighting fan, the noise reduction and sound insulation effect is enhanced outside the assembled adjusting top frame and mounting bottom frame through the slidably-mounted synergistic plate made of the sound absorption material, and the rectangular space formed by the adjusting top frame and the mounting bottom frame is matched with the sound insulation plate outside the fire-fighting fan to achieve the noise reduction and sound insulation effect; and the mounting rubber blocks and the inner sides of the connecting plates can be used for mounting the fire fans with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting fans, in particular to a noise reduction and sound insulation component for a fire-fighting fan. Background Technique

[0002] A centrifugal fan is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine. Centrifugal fans are widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings for ventilation, dust removal and cooling, ventilation and induced draft of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, drying and selection of grains, air source of wind tunnels and inflation and propulsion of hovercrafts, etc. When a centrifugal fire smoke exhaust fan is working, it will generate high-speed air flow. Common centrifugal fire smoke exhaust fans will generate relatively large noise due to the existence of high-speed air flow, so noise reduction and sound insulation components are needed.

[0003] However, the existing noise reduction and sound insulation components have relatively fixed sizes and are not convenient for noise reduction and sound insulation according to fire-fighting fans of different sizes.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a noise reduction and sound insulation component for a fire-fighting fan is provided. Content of the Utility Model

[0005] The purpose of the utility model is to provide a noise reduction and sound insulation component for a fire-fighting fan to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A noise reduction and sound insulation component for a fire-fighting fan includes an installation chassis and a protection component. An efficiency enhancement plate is arranged outside the installation chassis. The protection component for noise reduction and sound insulation suitable for fire-fighting fans of different sizes is arranged at the upper end of the installation chassis. The protection component includes an adjustable top frame, a fixing plate, a sound insulation board, installation rubber blocks and connecting plates. A fixing plate is installed on the side of the adjustable top frame, and a sound insulation board is arranged inside the adjustable top frame. Installation rubber blocks are arranged in the middle of the adjustable top frame, and connecting plates are installed on both sides of the installation rubber blocks.

[0007] Further, the shapes of the adjustable top frame and the installation chassis are both C-shaped, and the adjustable top frame and the sound insulation board are closely fitted.

[0008] Further, a bottom plate is arranged at the lower end of the installation chassis, and the installation chassis and the bottom plate are of an integral structure.

[0009] Further, an air outlet is connected to the rear side of the installation chassis, and an assembly flange is connected to the end of the air outlet.

[0010] Further, an air inlet hood is installed at the front end of the installation chassis, and an air inlet is arranged at the front end of the air inlet hood.

[0011] Furthermore, sound-absorbing cotton is installed on the inner wall of the air inlet cover, and a folding plate is provided in the middle of the air inlet cover.

[0012] Furthermore, a cleaning assembly for surface cleaning is provided on the outer side of the folding plate, and the number of the cleaning assemblies is set to three.

[0013] Furthermore, the cleaning assembly includes a cleaning scraper rod and a control block, and the front end of the cleaning scraper rod is connected to the control block.

[0014] The utility model provides a noise reduction and sound insulation component for fire fighting fans, which has the following beneficial effects:

[0015] 1. The utility model uses a sliding installation type sound-absorbing material enhancement plate on the outside of the adjustment top frame and the installation base frame after assembly to enhance the noise reduction and sound insulation effect. The adjustment top frame and the installation base frame form a rectangular space on the outside of the fire fan and cooperate with the sound insulation board to play a role in noise reduction and sound insulation, reducing the noise of the fire fan when it is working. The installation rubber block and the inner side of the connecting plate can be used for the installation of fire fans of different sizes.

[0016] 2. The utility model is installed through the bottom plate for assembly. The sound-absorbing cotton and folding plate inside the air inlet cover reduce the noise of the air sucked by the fire-fighting stage, reducing the noise of the air. The cleaning scraper moves outside the folding plate to scrape and clean the dust accumulated on the outside. The control block connects the upper and lower cleaning scrapers together so that they work synchronously. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a noise reduction and sound insulation component for a fire-fighting fan according to the present utility model;

[0018] Figure 2 This is a schematic diagram of the overall assembly structure of a fire-fighting fan noise reduction and sound insulation component of the utility model;

[0019] Figure 3 This is a schematic structural diagram of a cleaning component of a fire-fighting fan noise reduction and sound insulation component of the present utility model.

[0020] In the figure: 1. Install the base frame; 2. Efficiency enhancement plate; 3. Protective component; 301. Adjust the top frame; 302. Fixing plate; 303. Sound insulation board; 304. Install rubber block; 305. Connecting plate; 4. Bottom plate; 5. Air outlet; 6. Assembly flange; 7. Air inlet cover; 8. Air inlet; 9. Sound-absorbing cotton; 10. Folding plate; 11. Cleaning component; 1101. Cleaning scraper; 1102. Control block. DETAILED DESCRIPTION

[0021] The following further describes the implementation manners of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] As Figure 1 and Figure 2 shown, a noise reduction and sound insulation component for a fire fighting fan includes a mounting chassis 1 and a protection component 3. An efficiency enhancement plate 2 is arranged outside the mounting chassis 1. The efficiency enhancement plate 2 made of a slidably mounted sound-absorbing material enhances the noise reduction and sound insulation effect outside the assembled adjusting top frame 301 and mounting chassis 1, and is used to adapt to different sizes of fire fighting fans. The protection component 3 is arranged at the upper end of the mounting chassis 1, and the protection component 3 includes an adjusting top frame 301, a fixing plate 302, a sound insulation board 303, mounting rubber blocks 304 and a connecting plate 305. A fixing plate 302 is installed on the side of the adjusting top frame 301. The adjusting top frame 301 and the mounting chassis 1 form a rectangular space to cooperate with the sound insulation board 303 outside the fire fighting fan to play a role in noise reduction and sound insulation, reducing the noise when the fire fighting fan is working. And a sound insulation board 303 is arranged inside the adjusting top frame 301. A mounting rubber block 304 is arranged in the middle of the adjusting top frame 301. The inside of the mounting rubber block 304 and the connecting plate 305 can be used for the installation of different sizes of fire fighting fans. And connecting plates 305 are installed on both sides of the mounting rubber block 304. The shapes of the adjusting top frame 301 and the mounting chassis 1 are both U-shaped, and the adjusting top frame 301 and the sound insulation board 紧贴合. A bottom plate 4 is arranged at the lower end of the mounting chassis 1, and the mounting chassis 1 and the bottom plate 4 are of an integral structure. The bottom plate 4 is used for the installation of assembly. An air outlet 5 is connected to the rear side of the mounting chassis 1, and an assembly flange 6 is connected to the end of the air outlet 5. An air inlet hood 7 is installed at the front end of the mounting chassis 1. The sound-absorbing cotton 9 and the folding plate pieces 10 inside the air inlet hood 7 play a role in noise reduction for the air sucked by the fire fighting fan, reducing the noise of the air. And an air inlet 8 is arranged at the front end of the air inlet hood 7.

[0023] As Figure 3 shown, a sound-absorbing cotton 9 is installed on the inner wall of the air inlet hood 7, and folding plate pieces 10 are arranged in the middle of the air inlet hood 7. A cleaning component 11 for surface cleaning is arranged outside the folding plate pieces 10, and the number of the cleaning components 11 is set to three groups. The cleaning component 11 includes a cleaning scraping rod 1101 and a control block 1102. The cleaning scraping rod 1101 moves outside the folding plate pieces 10 to scrape and clean the dust accumulated on its outside. And a control block 1102 is connected to the front end of the cleaning scraping rod 1101. The control block 1102 connects the upper and lower cleaning scraping rods 1101 together so that they work synchronously.

[0024] In summary, for this noise reduction and sound insulation component of the fire fighting fan, first according to Figure 1-Figure 3The structure shown in the figure is to install the bottom plate 4 in the installation position, and then install the fire fan inside the installation base frame 1. The inner side of the installation rubber block 304 and the connecting plate 305 can be used for the installation of fire fans of different sizes. Then the adjusting top frame 301 is installed on the top of the installation base frame 1 and fixedly connected together through the connecting plate 305. At this time, the adjusting top frame 301 and the installation base frame 1 form a rectangular space. The sound insulation board 303 is used to reduce noise and sound insulation on the outside of the fire fan, thereby reducing the noise of the fire fan when working. Then the efficiency enhancement plate 2 of the sound-absorbing material is slidably installed to the outside of the installation base frame 1 and the adjusting top frame 301. The air outlet 5 is connected to the pipe through the assembly flange 6. The sound-absorbing cotton 9 and the folding plate 10 inside the air inlet cover 7 reduce the noise of the air sucked by the fire stage, reducing the noise of the air. After a certain period of use, the control block 1102 is pushed to make the cleaning scraper 1101 move outside the folding plate 10 to scrape and clean the dust accumulated on the outside to avoid excessive dust accumulation.

[0025] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A fire-fighting fan noise reduction and sound insulation assembly, comprising a mounting base (1) and a protective assembly (3), characterized in that: An efficiency enhancing plate (2) is provided outside the installation chassis (1), and a protection component (3) for noise reduction and sound insulation of fire-fighting fans of different sizes is arranged at the upper end of the installation chassis (1). The protection component (3) includes an adjusting top frame (301), a fixing plate (302), a sound insulation plate (303), an installation rubber block (304) and a connecting plate (305). A fixing plate (302) is installed on the side of the adjusting top frame (301), and a sound insulation plate (303) is arranged inside the adjusting top frame (301). An installation rubber block (304) is arranged in the middle of the adjusting top frame (301), and connecting plates (305) are installed on both sides of the installation rubber block (304).

2. A fire-fighting fan noise reduction and sound insulation component according to claim 1, characterized in that: The adjusting top frame (301) and the installation chassis (1) are both in a C-shaped form, and the adjusting top frame (301) and the sound insulation plate (303) are closely fitted.

3. A fire-fighting fan noise reduction and sound insulation component according to claim 1, characterized in that: A bottom plate (4) is arranged at the lower end of the installation chassis (1), and the installation chassis (1) and the bottom plate (4) are of an integral structure.

4. A fire-fighting fan noise reduction and sound insulation component according to claim 1, characterized in that: An air outlet (5) is connected to the rear side of the installation chassis (1), and an assembly flange (6) is connected to the end of the air outlet (5).

5. The fire-fighting fan noise reduction and sound insulation component according to claim 1, characterized in that: An air inlet hood (7) is installed at the front end of the installation chassis (1), and an air inlet (8) is arranged at the front end of the air inlet hood (7).

6. A fire-fighting fan noise reduction and sound insulation component according to claim 5, characterized in that: Sound-absorbing cotton (9) is installed on the inner wall of the air inlet hood (7), and a folding plate piece (10) is arranged in the middle of the air inlet hood (7).

7. A fire-fighting fan noise reduction and sound insulation component according to claim 6, characterized in that: A cleaning component (11) for surface cleaning is arranged on the outer side of the folding plate piece (10), and the number of the cleaning components (11) is set to three groups.

8. A fire-fighting fan noise reduction and sound insulation component according to claim 7, characterized in that: The cleaning component (11) includes a cleaning scraping rod (1101) and a control block (1102), and the control block (1102) is connected to the front end of the cleaning scraping rod (1101).

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