CN217289710U

CN217289710U - Fume chamber with structure of making an uproar falls

Info

Publication number: CN217289710U
Application number: CN202123244666.6U
Authority: CN
Inventors: 叶华
Original assignee: Tianjin Tianbaolou Food Research And Development Co ltd
Current assignee: Tianjin Tianbaolou Food Research And Development Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-08-26
Anticipated expiration: 2031-12-22

Abstract

The utility model provides a fume chamber with noise reduction structure, the fan department is equipped with the noise reduction subassembly that includes chassis and sound insulation structure, this sound insulation structure includes baffle, sound insulation pad, there are two sets of baffles, sound insulation pad is located between two sets of baffles, form the cavity between two sets of baffles, can weaken the noise that air friction produced when and fan during operation, sound insulation pad is the sound-absorbing cotton, cooperate the material characteristics that the sound-absorbing cotton can adsorb certain sound, make the fume chamber have fabulous noise reduction function; still be equipped with filtering component in gas pocket department, this filtering component can filter the interception to gas, prevents that large granule thing from getting into and blocking the fan in the fan, and then can not cause the damage to the fan.

Description

Fume chamber with structure of making an uproar falls

Technical Field

The utility model relates to a fume chamber technical field especially relates to a fume chamber with structure of making an uproar falls.

Background

The most important is the exhaust function among the function of fume chamber, in chemical laboratory, produce various harmful gas during experimental operation, the foul smell, the moisture is and easily fire, it is explosive, corrosive substance, in order to protect user's safety, prevent that the pollutant in the experiment from diffusing to the laboratory, near the pollution source will use the fume chamber, but the fume chamber function singleness on the existing market, when moving, the noise that its fan produced is great with vibrations, easily cause noise pollution, seriously influence staff's hearing is healthy, in addition when ventilation, do not relate to filtration in the fume chamber, consequently, the unable large granule thing to the air of in the process of taking a breath carries out effective treatment, lead to the large granule thing and easily make the fan take place the jam, reduce the life of fan.

Disclosure of Invention

According to the technical problem, the utility model provides a fume hood with noise reduction structure, which is characterized in that the fume hood comprises a hood body, an air hole, a filtering component, a noise reduction component, a fan and an exhaust pipe, wherein the air hole is arranged at the front end of the hood body;

the internal filtering component that installs of cabinet, filtering component sets up in gas vent department, the internal subassembly of making an uproar that falls of cabinet is installed, the subassembly setting of making an uproar falls in fan department.

Furthermore, a window is installed at the front end of the cabinet body and arranged below the air hole.

Further, the filtering component comprises a frame, an intercepting layer and a filtering core, wherein the frame is of a rectangular structure and is formed by welding 12 aluminum pipes, the intercepting layer is arranged on the aluminum pipes of the frame, and the filtering core is arranged in the frame;

the noise reduction assembly comprises a bottom frame and sound insulation structures, wherein the front side and the rear side of the bottom frame are respectively and longitudinally provided with the sound insulation structures, each sound insulation structure comprises a partition plate, a support plate and a sound insulation pad, the partition plates are arranged in 2 groups, the partition plates are arranged inside and outside, the support plates are arranged between the 2 groups of partition plates, the support plates are obliquely arranged relative to the partition plates, the support plates are provided with 2n groups and are respectively arranged on the outer end face of the partition plate inside and the inner end face of the partition plate outside, and n is more than or equal to 1;

and a sound insulation pad is arranged between the support plate on the inner side clapboard and the support plate on the outer side clapboard.

Furthermore, the partition board on the inner side of the noise reduction assembly is higher than the partition board on the outer side of the noise reduction assembly, a clamping groove is formed in the top end of the cabinet body, and the clamping groove is located in the upper side position of the partition board on the inner side of the noise reduction assembly.

Furthermore, there are 5 interception layers and be located four lateral walls and the bottom surface of frame respectively, filter core places on the interception layer on the frame bottom surface.

Further, the intercepting layer is a gauze. The sound insulation pad is made of sound absorption cotton.

Further, a placing groove is formed in the right side of the cabinet body, and the placing groove is formed in the position, with the same height, of the noise reduction assembly and the filtering assembly;

a baffle is arranged at the position of the placing groove, and a handle is arranged at the outer end of the baffle; the outer end of the baffle plate is wrapped with a sealing strip;

the left side of the baffle is respectively connected with the right end of the sound insulation structure and the right end of the frame of the filter assembly;

the bottom frame of the noise reduction assembly is connected with the frame of the filter assembly through a connecting plate;

the outer partition plate is arranged in contact with the cabinet body;

the internal board of placing of installing of cabinet, place the board and have 2 groups and distribute from top to bottom, 2 groups place the distance between the board and highly suit of filtering component's frame.

The utility model has the advantages that: the utility model discloses be equipped with noise reduction assembly at fan department, noise reduction assembly includes chassis and the sound insulation construction of front and back both sides thereof, and this sound insulation construction includes baffle, sound insulation pad, and there are two sets of baffles, and sound insulation pad lies in between two sets of baffles, forms the cavity between two sets of baffles, can weaken the noise that air friction produced when and fan during operation, and sound insulation pad is the sound-absorbing cotton, and the cooperation is inhaled the material characteristics that the cotton can adsorb certain degree sound, makes the fume chamber have fabulous noise reduction function, reduces the influence of noise to the staff to a great extent; this application still is equipped with filtering component in gas pocket department, and this filtering component can filter the interception to gas, prevents that large granule thing from getting into and blocking the fan in the fan, and then can not cause the damage to the fan.

This application has seted up the standing groove at the equal high position of the subassembly of making an uproar and the filter assembly of falling of the cabinet body, and this standing groove department is equipped with the baffle of all being connected with the subassembly of making an uproar and filter assembly of falling, installs the handle on the baffle, and then can take out the subassembly of making an uproar and filter assembly of falling from the cabinet body through the pulling handle and overhaul the change, clearance easy maintenance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a right side structural sectional view of the positions of the filtering assembly and the noise reduction assembly of the cabinet body.

As shown in the figure: 1. a cabinet body; 1-1, placing a plate; 1-2, air holes; 1-3, a clamping groove; 1-4, a window; 2-1, a frame; 2-2, a filter element; 2-3, an interception layer; 2-4, a baffle plate; 2-4-1, a handle; 3-1, a chassis; 3-2, a partition board; 3-3, a support plate; 3-4, sound insulation pad; 5. a connecting plate; 6. and (4) a sealing strip.

Detailed Description

Example 1

The utility model provides a fume chamber with noise reduction structure, which is characterized in that the fume chamber comprises a chamber body 1, air holes 1-2, a filtering component, a noise reduction component, a fan and an exhaust pipe, wherein the front end of the chamber body 1 is provided with the air holes 1-2, the fan is arranged in the chamber body 1 and is arranged at the upper side of the air holes 1-2, the top of the chamber body 1 is provided with an exhaust port, and the exhaust port is provided with the exhaust pipe;

the cabinet body 1 is internally provided with a filtering component which is arranged at the air hole 1-2, the cabinet body 1 is internally provided with a noise reduction component which is arranged at the fan.

Furthermore, a window 1-4 is arranged at the front end of the cabinet body 1, and the window 1-4 is arranged below the air hole 1-2.

Further, the filtering component comprises a frame 2-1, an intercepting layer 2-3 and a filtering core 2-2, wherein the frame 2-1 is of a rectangular structure and is formed by welding 12 aluminum pipes, the intercepting layer 2-3 is installed on the aluminum pipes of the frame 2-1, and the filtering core 2-2 is installed in the frame 2-1;

the noise reduction assembly comprises a bottom frame 3-1 and sound insulation structures, wherein the front side and the rear side of the bottom frame 3-1 are respectively and longitudinally provided with the sound insulation structures, each sound insulation structure comprises a partition plate 3-2, a support plate 3-3 and a sound insulation pad 3-4, 2 groups of partition plates 3-2 are arranged inside and outside, the support plates 3-3 are arranged between the 2 groups of partition plates 3-2, the support plates 3-3 are obliquely arranged relative to the partition plates 3-2, the support plates 3-3 are provided with 2n groups of support plates 3-3 which are respectively arranged on the outer end face of the partition plate 3-2 at the inner side and the inner end face of the partition plate 3-2 at the outer side, and n is more than or equal to 1;

a sound insulation pad 3-4 is arranged between the support plate 3-3 on the inner side clapboard 3-2 and the support plate 3-3 on the outer side clapboard 3-2.

Furthermore, the partition plate 3-2 at the inner side of the noise reduction assembly is higher than the partition plate 3-2 at the outer side of the noise reduction assembly, the top end of the cabinet body 1 is provided with a clamping groove 1-3, and the clamping groove 1-3 is positioned at the upper side position of the partition plate 3-2 at the inner side of the noise reduction assembly.

Furthermore, 5 intercepting layers 2-3 are respectively arranged on the four side walls and the bottom surface of the frame 2-1, and the filter element 2-2 is arranged on the intercepting layer 2-3 on the bottom surface of the frame 2-1.

Further, the interception layer 2-3 is a gauze. The sound insulation pads 3-4 are made of sound absorption cotton.

Further, a placing groove is formed in the right side of the cabinet body 1, and the placing groove is formed in the position, with the same height, of the noise reduction assembly and the filtering assembly;

a baffle 2-4 is arranged at the position of the placing groove, and a handle 2-4-1 is arranged at the outer end of the baffle 2-4; the outer ends of the baffles 2-4 are wrapped with sealing strips 6;

the left side of the baffle 2-4 is respectively connected with the right end part of the sound insulation structure and the right end part of the frame 2-1 of the filter assembly; the bottom frame 3-1 of the noise reduction assembly is connected with the frame 2-1 of the filter assembly through a connecting plate 5;

the partition board 3-2 at the outer side is arranged in contact with the cabinet body 1;

the cabinet body 1 is internally provided with 2 groups of placing plates 1-1 which are distributed up and down, and the distance between the 2 groups of placing plates 1-1 is adapted to the height of the frame 2-1 of the filtering component.

Example 2

When the utility model is used, the fan works to draft the working environment, gas can enter the cabinet body 1 from the air holes 1-2, then the gas passes through the filtering component, the intercepting layer 2-3 and the filtering core 2-2 of the filtering component can filter and intercept the gas at the moment, particulate matters in the gas can not float to the fan, and further the fan can not be damaged, when the fan works, the noise generated by the fan and the sound brought by vibration can be dispersed to the periphery, a cavity is formed between the two groups of partition plates 3-2 of the sound insulation structure, and a sound insulation pad 3-4 is also arranged between the two groups of partition plates 3-2, so the whole sound insulation structure can reduce the noise generated by the work of the fan;

when the filtering component needs to be cleaned, the handle 2-4-1 can be pulled to further pull the baffle 2-4 out of the placing groove, at the moment, the frame 2-1 of the filtering component is moved out towards the right side along the placing plate 1-1, the frame 2-1 can also pull out the bottom frame 3-1 of the noise reduction component through the connecting plate 5, at the moment, the bottom frame 3-1 drives the sound insulation structure to move out towards the right, the partition plate 3-2 on the inner side of the sound insulation structure moves outwards along the clamping groove 1-3, when the partition plate 3-2 is separated from the clamping groove 1-3, the filtering component and the noise reduction component are both moved out of the cabinet body 1, and then the filtering core 2-2 is taken out of the intercepting layer 2-3 on the bottom surface and can be replaced.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A ventilation cabinet with a noise reduction structure is characterized by comprising a cabinet body, air holes, a filtering assembly, a noise reduction assembly, a fan and an exhaust pipe, wherein the air holes are formed in the front end of the cabinet body;

the internal filter assembly that installs of cabinet, filter assembly sets up in gas vent department, the internal subassembly of making an uproar that falls of installing of cabinet, the subassembly setting of making an uproar falls in fan department.

2. The fume hood with noise reducing structure as set forth in claim 1, wherein a window is installed at the front end of the hood body, said window being disposed below the air hole.

3. The fume hood with the noise reduction structure according to claim 1, wherein the filtering assembly comprises a frame, an intercepting layer and a filtering core, the frame is of a rectangular structure and is formed by welding 12 aluminum pipes, the intercepting layer is installed on the aluminum pipes of the frame, and the filtering core is installed in the frame;

the noise reduction assembly comprises a bottom frame and sound insulation structures, wherein the front side and the rear side of the bottom frame are respectively and longitudinally provided with the sound insulation structures, each sound insulation structure comprises a partition plate, a support plate and a sound insulation pad, the partition plates are arranged in 2 groups, the partition plates are arranged in the inner side and the outer side of the partition plates, the support plates are arranged between the 2 groups of partition plates and are inclined relative to the partition plates, the support plates are provided with 2n groups of support plates, the support plates are respectively arranged on the outer end surfaces of the partition plates in the inner side and the inner end surfaces of the partition plates in the outer side, and n is more than or equal to 1;

4. The fume hood with the noise reduction structure according to claim 3, wherein the partition board at the inner side of the noise reduction assembly is higher than the partition board at the outer side thereof, and a clamping groove is formed at the top end of the hood body and is located at the upper side of the partition board at the inner side of the noise reduction assembly.

5. The fume hood with noise reducing structure as set forth in claim 3, wherein said intercepting layers are 5 and located on four side walls and bottom surface of the frame, respectively, and said filter element is placed on the intercepting layer on the bottom surface of the frame.

6. The fume hood with noise reducing structure as set forth in claim 3, wherein said intercepting layer is a gauze; the sound insulation pad is made of sound absorption cotton.

7. The fume hood with the noise reduction structure according to claim 3, wherein a placing groove is formed in the right side of the hood body, and the placing groove is formed in the position where the noise reduction assembly and the filter assembly are at the same height;

the bottom frame of the noise reduction assembly is connected with the frame of the filtering assembly through a connecting plate;

the outer partition board is in contact with the cabinet body.

8. A fume hood with noise reducing structure according to claim 3, characterized in that the hood body is provided with 2 sets of placing plates distributed up and down, and the distance between the 2 sets of placing plates is adapted to the height of the frame of the filtering assembly.