Activated carbon adsorption device for air purification

Abstract

The activated carbon adsorption device comprises a purification box body, an air inlet and an air outlet are formed in the front end and the rear end of the purification box body respectively, a blocking grating is fixedly installed at the front end of the air inlet, a circulation air channel is formed in the purification box body, and the rear end of the air outlet is fixedly communicated with an exhaust fan; a limiting frame is movably connected to the inner wall of the circulation air duct in an attached mode, an activated carbon block used for adsorbing and purifying air in the circulation air duct is in interference connection with the inner wall of the limiting frame, a maintenance opening is formed in the upper end of the circulation air duct, and a U-shaped supporting frame is fixedly installed at the upper end of the purification box body; a driving motor is fixedly installed on the rear side of the upper end of the U-shaped supporting frame in a supporting mode, a first chain wheel is fixedly installed on a transmission shaft part at the upper end of the driving motor, and the outer end of the first chain wheel is in transmission connection with a second chain wheel through a chain. According to the air purifier, the activated carbon block is convenient to maintain and replace while the air is adsorbed and purified.

Description

TECHNICAL FIELD

[0001] The utility model relates to air purification technical field, concretely is a kind of activated carbon adsorption device for air purification. BACKGROUND

[0002] Air purification is to remove or reduce pollutants in indoor air through a series of technologies and methods, such as dust, pollen, smoke, bacteria, viruses, harmful gases (such as formaldehyde, ammonia, benzene, etc.) and odors in the air, so as to improve air cleanliness and make it harmless to human health.

[0003] Air purification has many significant effects: providing a healthy indoor environment: air purification can effectively remove bacteria, viruses and other microorganisms in the air, reducing the risk of people getting sick from inhaling these harmful substances. Especially in the flu season or during the epidemic, air purification is particularly important. Remove harmful gases: renovation materials often contain harmful gases such as formaldehyde, which can have a serious impact on human health if inhaled for a long time. Air purification can significantly reduce the concentration of these harmful gases, protecting the health of residents. Reduce allergic symptoms: pollen, dust mites and other allergens in the air are one of the main causes of allergic rhinitis, asthma and other diseases. Air purification can effectively remove these allergens and reduce allergic symptoms. Improve indoor air quality: by removing dust, smoke and other particulate matter in the air, air purification can significantly improve the cleanliness and transparency of indoor air, making it easier for people to breathe. Improve work and life efficiency: fresh air helps people stay alert and focused, improving work and life efficiency.

[0004] Pollutants in the air include but are not limited to dust, pollen, bacteria, viruses, harmful gases (such as formaldehyde, benzene, TVOCs, etc.) and particulate matter. Traditional air purification methods, such as filtration, electrostatic dust removal, etc., can remove some pollutants to some extent, but the removal effect of some harmful gases and small particles is limited. Activated carbon has been widely used in air purification due to its porous structure and strong adsorption capacity, but existing activated carbon adsorption devices have low adsorption efficiency and need to be replaced frequently. SUMMARY

[0005] The utility model aims at providing a kind of activated carbon adsorption device for air purification, to solve the traditional air purification method, such as filtration, electrostatic dust removal etc., although it can remove part of pollutants to some extent in the above background art, but the removal effect of some harmful gases and small particles is limited. Activated carbon has been widely used in air purification due to its porous structure and strong adsorption capacity, but existing activated carbon adsorption devices have low adsorption efficiency and need to be replaced frequently.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: including the purification box, the purification box front and rear respectively are equipped with air inlet and air outlet, the air inlet front end fixed mounting has the blocking grid, the purification box inside is equipped with the through air duct, the air outlet rear end fixed communication has the exhaust fan,

[0007] The inner wall of the through air duct is connected to the limiting frame, the inner wall of the limiting frame is connected to the active carbon block for adsorbing and purifying the air in the through air duct, the upper end of the through air duct is provided with a maintenance opening, the upper end of the purification box is fixedly installed with a U-shaped support frame, the rear side of the upper end of the U-shaped support frame is fixedly installed with a driving motor, the driving motor is fixedly installed with a first sprocket on the upper end transmission shaft, the first sprocket is connected with a second sprocket through a chain transmission, the second sprocket is fixedly installed with an internal thread transmission pipe in the middle, the internal thread transmission pipe is connected with a transmission screw on the inner wall, the transmission screw is fixedly installed with a moving plate at the bottom, the moving plate is fixedly installed with a limiting slide rod on both sides of the upper end, the moving plate end face is connected with a support column, the support column is fixedly installed with a limiting disc on the upper end, and the limiting disc is fixedly installed with a support spring on the lower end face.

[0008] Preferably, the number of through air ducts is several, and they are symmetrically distributed in the purification box in sequence, and the side end of the exhaust fan is provided with an exhaust port.

[0009] Preferably, the limiting frame is movably connected to the inner wall of the maintenance opening at the upper end, and the internal thread transmission pipe is rotatably connected to the upper end of the U-shaped support frame through a rotating shaft.

[0010] Preferably, the number of limiting slide rods is two, and they are symmetrically distributed on both sides of the upper end of the moving plate, and the limiting slide rods are movably connected to both sides of the upper end of the U-shaped support frame.

[0011] Preferably, the number of support columns is several, and they are symmetrically distributed on the end face of the moving plate in sequence.

[0012] Preferably, the support spring is fixedly installed on the upper end of the moving plate, and the support column is fixedly installed on the upper end of the limiting frame.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses when the exhaust fan is opened, will discharge the gas in the purification box body to the outside through the air outlet, make the outside air inhale to the purification box body inside through the air inlet, when the outside air inhale to the purification box body inside through the air inlet, the larger impurity in the outside air is blocked through the blocking grid, avoid the larger impurity in the outside air and enter the purification box body inside, when the outside air enters the purification box body inside, will flow back through the flow channel, when the outside air flows back through the flow channel, through the interference connection of the active carbon block in the limiting frame inner wall, can the air in the flow channel flow is adsorbed and purified, and is discharged outward through the air outlet and exhaust fan, thereby realize the air is adsorbed and purified conveniently.

[0015] 2、The utility model discloses when the driving motor is opened, will drive the internal thread transmission pipe to rotate in turn, when the internal thread transmission pipe rotates, will drive the transmission screw rod to move up and down due to the force of screw connection, when the transmission screw rod moves up, will drive the moving plate to move up linearly, when the moving plate moves up linearly, will drive the support column to move up linearly through the support spring cooperation limiting disc, when the support column moves up linearly, will drive the limiting frame to move up linearly along the maintenance mouth inner wall, when the limiting frame moves up linearly, will drive the active carbon block to move up linearly and get out of the flow channel inside, when the active carbon block moves up linearly and gets out of the flow channel inside, can the active carbon block is maintained and replaced, thereby realize the air is adsorbed and purified, and the active carbon block is conveniently maintained and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic diagram of the utility model for air purification's active carbon adsorption device Figure 1 ;

[0017] Figure 2 It is a whole structure schematic diagram of the utility model for air purification's active carbon adsorption device Figure 2 ;

[0018] Figure 3 It is a whole structure sectional view schematic diagram of the utility model for air purification's active carbon adsorption device.

[0019] In the drawing: 1, purification box body;2, air inlet;3, air outlet;4, blocking grid;5, flow channel;6, exhaust fan;7, limiting frame;8, active carbon block;9, maintenance mouth;10, U-shaped support frame;11, driving motor;12, first sprocket;13, second sprocket;14, internal thread transmission pipe;15, transmission screw rod;16, moving plate;17, limiting slide rod;18, support column;19, limiting disc;20, support spring. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0021] Please refer to Figures 1-3 The utility model provides a kind of activated carbon adsorption device technical scheme for air purification: including purification box 1, purification box 1 front and rear end is respectively provided with air inlet 2 and air outlet 3, air inlet 2 front end is fixedly installed with blocking grille 4, so that air inlet 2 front end is blocked by blocking grille 4, avoid larger impurities by air inlet 2 into the inside of purification box 1, and flow channel 5 is provided in the inside of purification box 1, and the number of flow channel 5 is several, respectively with the inside of purification box 1 is sequentially distributed symmetrically, air outlet 3 rear end is fixedly connected with exhaust fan 6, and exhaust fan 6 side end is provided with exhaust port;

[0022] The inner wall of flow channel 5 is movably connected with a limiting frame 7, the inner wall of limiting frame 7 is interference-connected with activated carbon blocks 8 for adsorbing and purifying the air in flow channel 5, a maintenance opening 9 is formed in the upper end of flow channel 5, and the upper end of limiting frame 7 is movably connected to the inner wall of maintenance opening 9, a U-shaped support frame 10 is fixedly installed on the upper end of purification box 1, a driving motor 11 is fixedly installed on the upper end of the rear side of U-shaped support frame 10, a first sprocket 12 is fixedly installed on the upper end transmission shaft part of driving motor 11, a second sprocket 13 is connected to the outer end of first sprocket 12 through a chain transmission, an internally threaded transmission pipe 14 is fixedly installed in the middle of second sprocket 13, the internally threaded transmission pipe 14 is rotatably connected to the upper end of U-shaped support frame 10 through a rotating shaft, a transmission screw 15 is threadedly connected to the inner wall of internally threaded transmission pipe 14, a moving plate 16 is fixedly installed at the bottom of transmission screw 15, limiting slide rods 17 are fixedly installed on both sides of the upper end of moving plate 16, and the number of limiting slide rods 17 is two, which are symmetrically distributed on both sides of the upper end of moving plate 16, the upper end of limiting slide rods 17 is movably connected to both sides of the upper end of U-shaped support frame 10, so that the moving plate 16 is linearly moved and limited by limiting slide rods 17, support columns 18 are movably connected to the end face of moving plate 16, and the number of support columns 18 is several, which are symmetrically distributed on the end face of moving plate 16, limiting discs 19 are fixedly installed on the upper end of support columns 18, support springs 20 are fixedly installed on the lower end of limiting discs 19, and the bottom of support springs 20 is fixedly installed on the upper end of moving plate 16, so that support columns 18 are elastically supported by support springs 20 in cooperation with limiting discs 19, and the bottom of support columns 18 is fixedly installed on the upper end of limiting frame 7.

[0023] Working principle: in use, the utility model discloses a control is opened to the exhaust fan 6, when the exhaust fan 6 is opened, the gas in the purification box 1 is discharged to the outside through the air outlet 3, so that the outside air is inhaled to the inside of the purification box 1 through the air inlet 2, when the outside air is inhaled to the inside of the purification box 1 through the air inlet 2, the larger impurities in the outside air are blocked through the blocking grid 4, so that the larger impurities in the outside air are prevented from entering the inside of the purification box 1, when the outside air enters the inside of the purification box 1, flows back through the flow channel 5, when the outside air flows back through the flow channel 5, the activated carbon block 8 in the inner wall interference connection of the limiting frame 7 can be adsorbed and purified to the air flowing in the flow channel 5, and is discharged to the outside through the air outlet 3 and the exhaust fan 6, so that the air is conveniently adsorbed and purified.

[0024] When the activated carbon block 8 needs to be maintained and replaced, the drive motor 11 is controlled to be opened, when the drive motor 11 is opened, the first sprocket 12 is driven to rotate, when the first sprocket 12 rotates, the second sprocket 13 is driven to rotate through the chain transmission, when the second sprocket 13 rotates, the inner threaded transmission pipe 14 is driven to rotate, when the inner threaded transmission pipe 14 rotates, the transmission screw 15 moves up and down due to the action force generated by the threaded connection, when the transmission screw 15 moves up, the moving plate 16 moves up linearly, when the moving plate 16 moves up linearly, the support column 18 moves up linearly through the support spring 20 and the limiting disc 19, when the support column 18 moves up linearly, the limiting frame 7 moves up linearly along the inner wall of the maintenance opening 9, when the limiting frame 7 moves up linearly, the activated carbon block 8 moves up linearly out of the flow channel 5, when the activated carbon block 8 moves up linearly out of the flow channel 5, the activated carbon block 8 can be maintained and replaced, so that the air is adsorbed and purified, and the activated carbon block 8 is conveniently maintained and replaced.

[0025] Meanwhile, when the activated carbon block 8 is maintained and replaced, the drive motor 11 is controlled to be reversely rotated, when the drive motor 11 reversely rotates, the moving plate 16 moves down linearly, when the moving plate 16 moves down linearly, the limiting frame 7 moves down linearly into the flow channel 5, when the limiting frame 7 moves down linearly into the flow channel 5, the support column 18 is elastically supported through the support spring 20 and the limiting disc 19, which can buffer the limiting frame 7 moving down linearly to contact the bottom of the flow channel 5, so that the collision of the limiting frame 7 moving down linearly to contact the bottom of the flow channel 5 is avoided.

[0026] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An activated carbon adsorption device for air purification, characterized in that: The purification box (1) includes an air inlet (2) and an air outlet (3) at the front and rear ends respectively. A baffle grille (4) is fixedly installed at the front end of the air inlet (2). A flow channel (5) is opened inside the purification box (1). An exhaust fan (6) is fixedly connected to the rear end of the air outlet (3). The inner wall of the airflow duct (5) is fitted with a limiting frame (7), and the inner wall of the limiting frame (7) is press-fitted with an activated carbon block (8) for adsorbing and purifying the air inside the airflow duct (5). A maintenance port (9) is provided at the upper end of the airflow duct (5). A U-shaped support frame (10) is fixedly installed at the upper end of the purification box (1). A drive motor (11) is fixedly installed on the rear side of the upper end of the U-shaped support frame (10). A first sprocket (12) is fixedly installed on the upper drive shaft of the drive motor (11). The outer end of the first sprocket (12) is connected by a chain drive. A second sprocket (13) is connected, and an internally threaded transmission tube (14) is fixedly installed in the middle of the second sprocket (13). A transmission screw (15) is threadedly connected to the inner wall of the internally threaded transmission tube (14). A movable plate (16) is fixedly installed at the bottom of the transmission screw (15). Limiting slide rods (17) are fixedly installed on both sides of the upper end of the movable plate (16). A support column (18) is movably connected through and fitted to the end face of the movable plate (16). A limiting plate (19) is fixedly installed at the upper end of the support column (18). A supporting spring (20) is fixedly installed on the lower end face of the limiting plate (19).

2. The activated carbon adsorption device for air purification according to claim 1, characterized in that: There are several air ducts (5), which are symmetrically distributed inside the purification box (1) and the exhaust fan (6) has an exhaust port on its side.

3. The activated carbon adsorption device for air purification according to claim 2, characterized in that: The upper end of the limiting frame (7) is movably connected to the inner wall of the maintenance port (9), and the internal thread transmission pipe (14) is rotatably connected to the top center of the U-shaped support frame (10) through a rotating shaft.

4. The activated carbon adsorption device for air purification according to claim 3, characterized in that: There are two limiting slide rods (17), which are symmetrically distributed on both sides of the upper end of the moving plate (16). The upper end of the limiting slide rod (17) is connected to both sides of the upper end of the U-shaped support frame (10) through and fits.

5. An activated carbon adsorption device for air purification according to claim 4, characterized in that: There are several support columns (18), which are symmetrically distributed sequentially on the end face of the movable plate (16).

6. An activated carbon adsorption device for air purification according to claim 5, characterized in that: The bottom of the support spring (20) is fixedly installed on the upper end of the movable plate (16), and the bottom of the support column (18) is fixedly installed on the middle of the upper end of the limiting frame (7).

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