Self-cleaning type double-layer filtering ventilation cabinet

Abstract

The utility model relates to the technical field of ventilation cabinets, in particular to a self-cleaning type double-layer filtering ventilation cabinet which comprises a main body mechanism, ventilation mechanisms and filtering mechanisms, and the ventilation mechanisms are fixedly arranged on the two sides of the main body mechanism. When the self-cleaning type double-layer filtering fume hood is used, firstly, a motor on one side of the fume hood body is started, air is sucked in from one end of a filtering pipe under the combined action of the motor, a rotating shaft and fan blades, and after water is removed through a water absorption panel and poisonous and harmful gas is removed through an activated carbon adsorption plate in sequence, the self-cleaning type double-layer filtering fume hood is formed. Air enters the fume hood body through the fan blades, then is extracted from the other side of the fume hood through the fan blades and is discharged through the activated carbon adsorption plate and the water absorption panel, it is guaranteed that inlet air and outlet air of the fume hood body can be filtered and purified through the filtering mechanism jointly designed on the left side and the right side, and the air quality of the fume hood is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fume hoods, in particular to a self-cleaning double-layer filtering fume hood. Background Art

[0002] Cabinet exhaust hoods are commonly known as fume hoods, which are similar to closed hoods. Small parts spray paint cabinets and chemical laboratory fume hoods are typical structures of cabinet exhaust hoods. Large room fume hoods have one side completely open, and operators work inside the cabinet. They are mainly used for large-scale painting, powder bagging, etc. The working opening of the fume hood has a great influence on the airflow distribution in the cabinet, and the airflow distribution directly affects the working effect of the cabinet exhaust hood.

[0003] A new type of fume hood is disclosed in the Chinese utility model patent application disclosure specification CN220111900U, including a fume hood body and a cabinet door arranged on the fume hood body, a glass plate for closing the fume hood body is slidably arranged on the fume hood body, a placement plate for placing experimental instruments is arranged on the inner wall of the fume hood body, a faucet for spraying water on the placement plate is arranged on the inner wall of the fume hood body, a drainage groove is opened on the inner wall of the fume hood body, a collection box for collecting water discharged from the drainage groove is arranged in the fume hood body, and a cleaning component for cleaning the placement plate is arranged on the fume hood body. This application has the effect of improving the safety of the staff, but the device does not have the function of double-layer filtering, resulting in poor air quality inside the fume hood in actual use, affecting the quality of the product. For this reason, we propose a self-cleaning double-layer filtering fume hood. Utility Model Content

[0004] The utility model aims to provide a self-cleaning double-layer filtering fume hood to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A self-cleaning double-layer filtering fume hood comprises a main body structure, a ventilation mechanism and a filtering mechanism, wherein the ventilation mechanism is fixedly arranged on both sides of the main body structure, and the filtering mechanism is fixedly arranged on one side of the ventilation mechanism. The main body structure comprises a fume hood body, a top cover, a sliding device, a connecting port, a hinge, a movable door and a transparent window, wherein the top cover is fixedly arranged on the top of the fume hood body, the sliding device is fixedly arranged on the bottom of the fume hood body, the connecting port is arranged on both sides of the fume hood body, the hinge is fixedly arranged on the fume hood body, the movable door is fixedly arranged on the hinge, and the transparent window is arranged on the movable door.

[0007] Preferably, the ventilation mechanism includes a ventilation box, a fixing rod, a motor, a rotating shaft, fan blades and a ventilation room, and the ventilation box is fixedly arranged at the connecting port.

[0008] With the above solution, by providing a ventilation box, the fixing rod can be installed inside the ventilation box.

[0009] Preferably, the ventilation room is opened inside the ventilation box, and the fixing rod is fixedly arranged inside the ventilation room.

[0010] With the above solution, by providing the fixing rod, the motor can be installed on the fixing rod.

[0011] Preferably, the motor is fixedly arranged on the top of the fixing rod, the rotating shaft is fixedly arranged on the output end of the motor, and the fan blades are fixedly arranged on the rotating shaft.

[0012] According to the above scheme, a motor is provided so that the fan blades are driven to rotate by the operation of the motor.

[0013] Preferably, the filter mechanism comprises a filter tube, a first filter frame, an activated carbon adsorption plate, a second filter frame, a water absorption panel and fixing bolts, and the filter tube is fixedly arranged on one side of the ventilation box.

[0014] Through the above scheme, the filter tube is provided so that the gas can be filtered and purified when passing through.

[0015] Preferably, the first filter frame is fixedly arranged inside the filter tube, and the activated carbon adsorption plate is fixedly arranged on the first filter frame.

[0016] Through the above scheme, toxic and harmful gases with peculiar smell in the air are removed by setting up an activated carbon adsorption plate.

[0017] Preferably, the second filter frame is fixedly arranged on one side of the first filter frame, the water absorption panel is fixedly arranged on the second filter frame, and the fixing bolts are fixedly arranged on the first filter frame and the second filter frame.

[0018] Through the above scheme, the excess moisture in the air is removed by setting up the water absorption panel to ensure the dryness of the ventilation box.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. This kind of self-cleaning double-layer filtering fume hood, when in use, first starts the motor on one side of the fume hood body, and under the combined action of the motor, rotating shaft and fan blades, air is sucked in from one end of the filter tube, and passes through the water absorption panel to remove water, and the activated carbon adsorption plate to remove toxic and harmful gases, and then passes through the fan blades into the interior of the fume hood body, and then is extracted from the other side of the fume hood through the fan blades, and discharged through the activated carbon adsorption plate and the water absorption panel. The filtering mechanism designed on the left and right sides ensures that the air inlet and outlet of the fume hood body can be filtered and purified, thereby improving the air quality of the fume hood.

[0021] 2. This self-cleaning double-layer filtering fume hood allows staff to observe the inside of the fume hood body through the transparent window, and the first filter frame and the second filter frame can be fixed on the filter tube through the fixing bolts. When it is necessary to replace the activated carbon adsorption plate and the water absorption panel, it is only necessary to remove the fixing bolts to take out the first filter frame and the second filter frame for replacement. The above design improves the convenience of device maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the filtering mechanism of the utility model;

[0024] Figure 3 It is a schematic diagram of a ventilation room and a ventilation box of the utility model;

[0025] Figure 4 It is a schematic diagram of the motor and the fixing rod of the utility model.

[0026] In the figure: 1. main body; 101. fume hood body; 102. top cover; 103. sliding device; 104. connection port; 105. hinge; 106. movable door; 107. transparent window; 2. ventilation mechanism; 201. ventilation box; 202. fixing rod; 203. motor; 204. rotating shaft; 205. fan blade; 206. ventilation room; 3. filtering mechanism; 301. filter tube; 302. first filter frame; 303. activated carbon adsorption plate; 304. second filter frame; 305. water absorption panel; 306. fixing bolt. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1 - Figure 4 As shown, a technical solution provided by the utility model:

[0029] A self-cleaning double-layer filtering fume hood comprises a main body 1, a ventilation mechanism 2 and a filtering mechanism 3. The ventilation mechanism 2 is fixedly arranged on both sides of the main body 1, and the filtering mechanism 3 is fixedly arranged on one side of the ventilation mechanism 2. The main body 1 comprises a fume hood body 101, a top cover 102, a sliding device 103, a connecting port 104, a hinge 105, a movable door 106 and a transparent window 107. The top cover 102 is fixedly arranged on the top of the fume hood body 101, the sliding device 103 is fixedly arranged on the bottom of the fume hood body 101, the connecting port 104 is opened on both sides of the fume hood body 101, the hinge 105 is fixedly arranged on the fume hood body 101, the movable door 106 is fixedly arranged on the hinge 105, and the transparent window 107 is opened on the movable door 106.

[0030] In this embodiment, preferably, the ventilation mechanism 2 includes a ventilation box 201 , a fixing rod 202 , a motor 203 , a rotating shaft 204 , fan blades 205 and a ventilation room 206 , and the ventilation box 201 is fixedly arranged at the connection port 104 .

[0031] Through the above solution, by providing the ventilation box 201 , the fixing rod 202 can be installed inside the ventilation box 201 .

[0032] In this embodiment, preferably, the ventilation room 206 is opened inside the ventilation box 201 , and the fixing rod 202 is fixedly disposed inside the ventilation room 206 .

[0033] Through the above solution, by providing the fixing rod 202 , the motor 203 can be installed on the fixing rod 202 .

[0034] In this embodiment, preferably, the motor 203 is fixedly disposed on the top of the fixing rod 202 , the rotating shaft 204 is fixedly disposed on the output end of the motor 203 , and the fan blades 205 are fixedly disposed on the rotating shaft 204 .

[0035] According to the above solution, the motor 203 is provided so that the fan blades 205 are driven to rotate by the operation of the motor 203 .

[0036] In this embodiment, preferably, the filter mechanism 3 includes a filter tube 301 , a first filter frame 302 , an activated carbon adsorption plate 303 , a second filter frame 304 , a water absorption panel 305 and fixing bolts 306 , and the filter tube 301 is fixedly arranged on one side of the ventilation box 201 .

[0037] Through the above solution, the filter tube 301 is provided so that the gas can be filtered and purified when passing through.

[0038] In this embodiment, preferably, the first filter frame 302 is fixedly disposed inside the filter tube 301 , and the activated carbon adsorption plate 303 is fixedly disposed on the first filter frame 302 .

[0039] Through the above scheme, the activated carbon adsorption plate 303 is provided to remove toxic and harmful gases with odor in the air.

[0040] In this embodiment, preferably, the second filter frame 304 is fixedly disposed on one side of the first filter frame 302 , the water absorption panel 305 is fixedly disposed on the second filter frame 304 , and the fixing bolts 306 are fixedly disposed on the first filter frame 302 and the second filter frame 304 .

[0041] Through the above solution, the water absorption panel 305 is provided to remove excess moisture in the air, thereby ensuring that the ventilation box 201 is dry.

[0042] When a self-cleaning double-layer filtering fume hood of the present embodiment is used, the motor 203 on one side of the fume hood body 101 is first started. Under the combined action of the motor 203, the rotating shaft 204 and the fan blade 205, air is sucked in from one end of the filter tube 301, and successively passes through the water absorption panel 305 to remove water, the activated carbon adsorption plate 303 to remove toxic and harmful gases, and then passes through the fan blade 205 to enter the interior of the fume hood body 101, and then is extracted from the other side of the fume hood through the fan blade 205 and discharged through the activated carbon adsorption plate 303 and the water absorption panel 305. The above is designed by the left and right sides. The filtering mechanism 3 ensures that both the incoming and outgoing air of the fume hood body 101 can be filtered and purified, thereby improving the air quality of the fume hood. The transparent window 107 allows the staff to observe the inside of the fume hood body 101. The first filter frame 302 and the second filter frame 304 can be fixed on the filter tube 301 through the fixing bolts 306. When it is necessary to replace the activated carbon adsorption plate 303 and the water absorption panel 305, it is only necessary to remove the fixing bolts 306 to take out the first filter frame 302 and the second filter frame 304 for replacement. The above design improves the convenience of device maintenance.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A self-cleaning double-layer filtering fume hood, comprising a main body (1), a ventilation mechanism (2) and a filtering mechanism (3), characterized in that: The ventilation mechanism (2) is fixedly arranged on both sides of the main body mechanism (1), and the filtering mechanism (3) is fixedly arranged on one side of the ventilation mechanism (2). The main body mechanism (1) comprises a fume hood body (101), a top cover (102), a sliding device (103), a connecting port (104), a hinge (105), a movable door (106) and a transparent window (107). The top cover (102) is fixedly arranged on the top of the fume hood body (101), the sliding device (103) is fixedly arranged on the bottom of the fume hood body (101), the connecting port (104) is provided on both sides of the fume hood body (101), the hinge (105) is fixedly arranged on the fume hood body (101), the movable door (106) is fixedly arranged on the hinge (105), and the transparent window (107) is provided on the movable door (106).

2. A self-cleaning double-layer filtering fume hood according to claim 1, characterized in that: The ventilation mechanism (2) comprises a ventilation box (201), a fixing rod (202), a motor (203), a rotating shaft (204), a fan blade (205) and a ventilation chamber (206); the ventilation box (201) is fixedly arranged at the connection port (104).

3. A self-cleaning double-layer filtering fume hood according to claim 2, characterized in that: The ventilation room (206) is opened inside the ventilation box (201), and the fixing rod (202) is fixedly arranged inside the ventilation room (206).

4. A self-cleaning double-layer filtering fume hood according to claim 2, characterized in that: The motor (203) is fixedly arranged on the top of the fixed rod (202), the rotating shaft (204) is fixedly arranged on the output end of the motor (203), and the fan blade (205) is fixedly arranged on the rotating shaft (204).

5. The self-cleaning double-layer filtering fume hood according to claim 1 is characterized in that: The filtering mechanism (3) comprises a filtering tube (301), a first filtering frame (302), an activated carbon adsorption plate (303), a second filtering frame (304), a water absorption panel (305) and fixing bolts (306); the filtering tube (301) is fixedly arranged on one side of the ventilation box (201).

6. A self-cleaning double-layer filtering fume hood according to claim 5, characterized in that: The first filter frame (302) is fixedly arranged inside the filter tube (301), and the activated carbon adsorption plate (303) is fixedly arranged on the first filter frame (302).

7. A self-cleaning double-layer filtering fume hood according to claim 5, characterized in that: The second filter frame (304) is fixedly arranged on one side of the first filter frame (302), the water absorption panel (305) is fixedly arranged on the second filter frame (304), and the fixing bolts (306) are fixedly arranged on the first filter frame (302) and the second filter frame (304).

Images