Formaldehyde gas circulating filtering device suitable for house decoration

Abstract

The utility model belongs to the technical field of air purification, and particularly relates to a formaldehyde gas circulating filtering device suitable for house decoration, which comprises a filtering box, mounting frames are fixedly mounted at openings in the two ends of the filter box, a plurality of louver blades are arranged in the mounting frames in an array mode, the two ends of the louver blades are rotatably mounted in the mounting frames, a plurality of sliding grooves are formed in the inner walls of the two sides of the filter box in sequence, and filter plates, activated carbon filter screens, supports and photocatalyst filter screens are slidably mounted in the sliding grooves in sequence; sliding grooves are formed in the inner walls of the two sides of the air inlet end of the filter box, a connecting rod is arranged on the inner side of the mounting frame, the two ends of the connecting rod are slidably mounted in the sliding grooves, adjusting plates are fixedly mounted at the two ends of the connecting rod, and a plurality of protrusions are formed in the front sides of the adjusting plates according to the number of the louver blades; by adjusting the positions of the connecting rods in the sliding grooves, the protrusions on the adjusting plates can be driven to make contact with the louvre blades, so that the opening and closing angles of the louvre blades are flexibly adjusted, the air inflow is accurately controlled, and the air purification requirements in different environments are met.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, in particular to a formaldehyde gas circulation filtering device suitable for after house decoration. Background Art

[0002] Formaldehyde gas is a common harmful gas after house decoration. It mainly comes from adhesives, coatings, boards, etc. in decoration materials. Formaldehyde is a colorless gas with a pungent odor, which is very harmful to human health.

[0003] The formaldehyde gas circulation filtration device achieves effective removal of indoor formaldehyde gas and air purification through the steps of exhaust, filtration, adsorption, advanced purification technology and output of clean air.

[0004] When the existing gas circulation filtering device is used in different environments, since the air inlet and outlet of the device are set to fixed sizes, the air volume cannot be adjusted according to the specific environment, which may lead to insufficient air volume in an environment where a large air volume is required, affecting the filtering effect. Therefore, in order to solve the above problem, a formaldehyde gas circulation filtering device suitable for after house decoration is proposed. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, when the existing gas circulation filtering device is used in different environments, since the air inlet and outlet of the device are set to fixed sizes, the air volume cannot be adjusted according to the specific environment, which may lead to insufficient air volume in an environment requiring a large air volume, affecting the filtering effect. The utility model proposes a formaldehyde gas circulation filtering device suitable for after house decoration.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model is a formaldehyde gas circulation filtering device suitable for house decoration, comprising a filter box; installation frames are fixedly installed at the openings at both ends of the filter box, a plurality of louvers are arranged in an array in the installation frame, both ends of the louvers are rotatably installed in the installation frame, a plurality of slide grooves are sequentially opened on the inner walls on both sides of the filter box, filter plates, activated carbon filters, brackets and photocatalyst filters are slidably installed in the slide grooves in turn, slide grooves are opened on the inner walls on both sides of the air inlet end of the filter box, a connecting rod is arranged on the inner side of the installation frame, both ends of the connecting rod are slidably installed in the slide grooves, and both ends of the connecting rod are fixed An adjustment plate is installed, and a plurality of protrusions are provided on the front side of the adjustment plate according to the number of louvers. A screw is provided on the outer side of the filter plate, and both ends of the screw are rotatably installed in the filter box through bearings. A suction pipe is provided on one side of the filter plate and fixedly installed in the filter box, and a fan is fixedly installed in the suction pipe through a support rod. Two ultraviolet lamps are arranged in parallel between the activated carbon filter and the photocatalyst filter, and the ultraviolet lamps are fixedly installed on the bracket. By adjusting the position of the connecting rod in the slide groove, the protrusions on the adjustment plate can be driven to contact with the louvers, thereby flexibly adjusting the opening and closing angles of the louvers, thereby realizing precise control of the air intake volume to meet the air purification needs in different environments.

[0007] Preferably, connecting plates are rotatably installed on both sides of the outer center of the adjustment plate through an axis, and two-way electric cylinders are fixedly installed on the inner walls on both sides of the air inlet end of the filter box. The other end of the connecting plate is rotatably installed on the piston rods at both ends of the two-way electric cylinder. The connecting plate is driven by the two-way electric cylinder, which in turn drives the adjustment plate to move, thereby realizing precise control of the opening and closing angles of the louver blades.

[0008] Preferably, a scraper is slidably installed on the outer side of the filter plate, a threaded hole is opened on the upper part of the scraper, and the scraper is slidably installed on the screw rod. The scraper is driven by the screw rod to slide on the outer side of the filter plate, thereby effectively cleaning the dust and particulate matter attached to the surface of the filter plate.

[0009] Preferably, a motor is fixedly mounted on the top of the filter box, and the motor shaft is fixedly connected to the upper end of the screw rod. The motor shaft is directly connected to the screw rod, which provides a stable and reliable power source for the movement of the scraper.

[0010] Preferably, an ash discharge port is opened at the bottom of the air inlet end of the filter box, and sliding rails are provided on both sides of the ash discharge port and fixedly installed at the bottom of the filter box. A dust box is slidably installed in the sliding rails. By opening the ash discharge port at the bottom of the air inlet end and equipping it with sliding rails and dust boxes, it is convenient to collect and clean the dust and particulate matter generated during the filtration process.

[0011] Preferably, universal seats are fixedly installed at the four corners of the bottom of the filter box, and rollers are rotatably installed in the universal seats through rotating shafts. By installing the universal seats and rollers at the bottom of the filter box, the entire device has the ability to move.

[0012] The utility model is beneficial in that:

[0013] 1. After the house is decorated, the utility model uses a gas circulation filter device to remove formaldehyde in the house. The filter device is placed in a ventilated place of the house, and the two-way electric cylinder is started. The piston rod of the two-way electric cylinder pushes the connecting plate to drive the adjusting plate to move toward the installation frame. At the same time, the adjusting plate drives the connecting rod to slide in the slide groove. The protrusion on the front side of the adjusting plate pushes the louver blades to rotate, so that the air inlet and the air outlet are opened, and the fan is started. The fan runs in the suction pipe to form a negative pressure, and the air containing formaldehyde in the house is extracted through the air inlet. When the air passes through the filter plate, the mixed dust in the air is filtered out, and the filtered air enters the filter box through the suction pipe, and then flows through the activated carbon filter. The harmful gases in the air are adsorbed by the activated carbon filter, and the air continues to flow to the photocatalyst filter. The ultraviolet lamp is started, and the ultraviolet lamp irradiates the photocatalyst filter to catalyze the decomposition of the photocatalyst and the harmful gases in the air to form water vapor and carbon dioxide, which are then discharged through the air outlet. The structural design realizes the function of adjusting the air volume according to the environment, and solves the problem that when the existing gas circulation filter device is used in different environments, the air volume cannot be adjusted according to the specific environment because the air inlet and outlet of the device are set to fixed sizes, which may lead to insufficient air volume in an environment where a large air volume is required, affecting the filtering effect, thereby improving the filtering effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the overall structure of the filtering device;

[0016] Figure 2 It is a schematic diagram of the installation structure of the filtering mechanism;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the filtering device;

[0018] Figure 4 It is a structural schematic diagram of the air inlet and outlet regulating device;

[0019] Figure 5 This is a schematic diagram of the structure of the dust cleaning device.

[0020] In the figure: 1. filter box; 2. motor; 3. mounting frame; 4. shutter blades; 5. connecting rod; 6. adjustment plate; 7. connecting plate; 8. two-way electric cylinder; 9. screw rod; 10. scraper; 11. filter plate; 12. suction pipe; 13. fan; 14. activated carbon filter; 15. bracket; 16. ultraviolet lamp; 17. photocatalyst filter; 18. slide rail; 19. dust box; 20. universal seat; 21. roller. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5As shown, a formaldehyde gas circulation filtering device suitable for house decoration comprises a filter box 1; a mounting frame 3 is fixedly installed at both openings of the filter box 1, a plurality of shutter blades 4 are arranged in an array in the mounting frame 3, and both ends of the shutter blades 4 are rotatably installed in the mounting frame 3, a plurality of slide grooves are sequentially opened on the inner walls on both sides of the filter box 1, a filter plate 11, an activated carbon filter screen 14, a bracket 15 and a photocatalyst filter screen 17 are sequentially slidably installed in the slide grooves, a slide groove is opened on the inner walls on both sides of the air inlet end of the filter box 1, and a plurality of shutter blades 4 are arranged in an array in the mounting frame 3, and a plurality of shutter blades 4 are arranged in an array in the mounting frame 3, and a plurality of shutter blades 4 are rotatably installed in the mounting frame 3, and a plurality of slide grooves are sequentially opened on the inner walls on both sides of the filter box 1, and a filter plate 11, an activated carbon filter screen 14, a bracket 15 and a photocatalyst filter screen 17 are sequentially slidably installed in the slide grooves, a plurality of shutter grooves are opened on the inner walls on both sides of the air inlet end of the filter box 1, and a plurality of shutter blades 4 are arranged in an array in the mounting frame 3 ... A connecting rod 5, both ends of which are slidably installed in the slide groove, and both ends of the connecting rod 5 are fixedly installed with an adjustment plate 6, and the front side of the adjustment plate 6 is provided with a plurality of protrusions according to the number of louvers 4. A screw rod 9 is arranged on the outside of the filter plate 11, and both ends of the screw rod 9 are rotatably installed in the filter box 1 through bearings. A suction pipe 12 is arranged on one side of the filter plate 11 and is fixedly installed in the filter box 1. A fan 13 is fixedly installed in the suction pipe 12 through a support rod. Two purple filters are arranged in parallel between the activated carbon filter 14 and the photocatalyst filter 17. The external lamp 16, the ultraviolet lamp 16 are fixedly mounted on the bracket 15; when working, after the house is decorated, when the gas circulation filter device is used to remove formaldehyde in the house, the filter device is placed in the ventilation place of the house, and the two-way electric cylinder 8 is started. The piston rod of the two-way electric cylinder 8 pushes the connecting plate 7 to drive the adjusting plate 6 to move toward the installation frame 3. At the same time, the adjusting plate 6 drives the connecting rod 5 to slide in the slide groove. The protrusion on the front side of the adjusting plate 6 pushes the louver 4 to rotate, so that the air inlet and the air outlet are opened, and the fan 13 is started. The fan 13 runs in the suction pipe 12 to form a negative pressure, and the air inlet The air containing formaldehyde in the room is extracted. When the air passes through the filter plate 11, the mixed dust in the air is filtered out. The filtered air enters the filter box 1 through the suction pipe 12, and then flows through the activated carbon filter 14. The activated carbon filter 14 adsorbs harmful gases in the air. The air continues to flow to the photocatalyst filter 17, and the ultraviolet lamp 16 on the bracket 15 is started. The ultraviolet lamp 16 irradiates the photocatalyst filter 17, so that the photocatalyst and the harmful gases in the air are catalytically decomposed to form water vapor and carbon dioxide, which are then discharged through the air outlet.

[0023] Connecting plates 7 are rotatably installed on both sides of the center of the outer side of the adjustment plate 6 through an axis, and two-way electric cylinders 8 are fixedly installed on the inner walls on both sides of the air inlet end of the filter box 1, and the other ends of the connecting plates 7 are rotatably installed on the piston rods at both ends of the two-way electric cylinder 8; when working, after the house is decorated, when the gas circulation filter device is used to remove formaldehyde in the house, the two-way electric cylinder 8 is started, and the piston rod of the two-way electric cylinder 8 pushes one end of the connecting plate 7 to rotate, and the other end pushes the adjustment plate 6 to drive the front side protrusion to adjust the angle of the louver 4, thereby adjusting the size of the inlet and outlet.

[0024] A scraper 10 is slidably installed on the outside of the filter plate 11, and a threaded hole is opened on the upper part of the scraper 10, and the scraper 10 is slidably installed on the screw rod 9; when working, after the house is decorated, when the gas circulation filter device is used to remove formaldehyde in the house, the scraper 10 is driven to slide by rotating the screw rod 9, and the scraper 10 scrapes and cleans the dust attached to the filter plate 11 to prevent the filter plate 11 from being blocked and affecting the filtering effect.

[0025] A motor 2 is fixedly installed on the top of the filter box 1, and the rotating shaft of the motor 2 is fixedly connected to the upper end of the screw rod 9; when working, after the house is decorated, when the gas circulation filtering device is used to remove formaldehyde in the house, the motor 2 is started, and the rotating shaft of the motor 2 drives the screw rod 9 to rotate, and the screw rod 9 drives the scraper 10 to clean the filter plate 11.

[0026] The filter box 1 is provided with an ash discharge port at the bottom of the air inlet end, and slide rails 18 are provided on both sides of the ash discharge port and fixedly installed at the bottom of the filter box 1, and a dust box 19 is slidably installed in the slide rails 18; when working, after the house is decorated, when the gas circulation filter device is used to remove formaldehyde in the house, the dust attached to the filter plate 11 is scraped off by the scraper 10, and the dust falls through the ash discharge port and enters the dust box 19 below, and the dust in the dust box 19 is cleaned by pulling the dust box 19 out of the slide rails 18.

[0027] The four corners of the bottom of the filter box 1 are fixedly installed with universal seats 20, and rollers 21 are rotatably installed in the universal seats 20 through the rotating shaft; when working, after the house is decorated, when the gas circulation filter device is used to remove formaldehyde in the house, the filter device is pushed, and the filter box 1 drives the roller 21 to rotate through the universal seat 20, and the roller 21 drives the entire device to move, and the movement direction of the device is controlled by the universal seat 20.

[0028] Working principle: after the house is decorated, when the gas circulation filter device is used to remove the formaldehyde in the house, the filter device is pushed, and the filter box 1 drives the roller 21 to rotate through the universal seat 20, and the roller 21 drives the whole device to move, and the filter device is placed in the ventilation place of the house, and the two-way electric cylinder 8 is started. The piston rod of the two-way electric cylinder 8 pushes the connecting plate 7 to drive the adjustment plate 6 to move toward the installation frame 3, and at the same time, the adjustment plate 6 drives the connecting rod 5 to slide in the slide groove, and the protrusion on the front side of the adjustment plate 6 drives the louver 4 to rotate, so that the air inlet and the air outlet are opened, and the fan 13 is started, and the fan 13 moves in the suction pipe 12. Negative pressure is formed, and air containing formaldehyde in the room is extracted through the air inlet. When the air passes through the filter plate 11, the mixed dust in the air is filtered out, and the filtered air enters the filter box 1 through the suction pipe 12, and then flows through the activated carbon filter 14, and the harmful gases in the air are adsorbed by the activated carbon filter 14. The air continues to flow to the photocatalyst filter 17, and the ultraviolet lamp 16 on the bracket 15 is started. The ultraviolet lamp 16 irradiates the photocatalyst filter 17, so that the photocatalyst and the harmful gases in the air are catalytically decomposed to form water vapor and carbon dioxide, which are then discharged through the air outlet.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] 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, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A formaldehyde gas circulation filtering device suitable for house decoration, characterized by: The invention comprises a filter box (1); a mounting frame (3) is fixedly installed at both openings of the filter box (1); a plurality of shutter blades (4) are arranged in an array in the mounting frame (3); both ends of the shutter blades (4) are rotatably installed in the mounting frame (3); a plurality of slide grooves are sequentially provided on the inner walls of both sides of the filter box (1); a filter plate (11), an activated carbon filter screen (14), a bracket (15) and a photocatalyst filter screen (17) are slidably installed in the slide grooves in sequence; slide grooves are provided on the inner walls of both sides of the air inlet end of the filter box (1); a connecting rod (5) is arranged on the inner side of the mounting frame (3); both ends of the connecting rod (5) are slidably installed in the slide grooves; the connecting rod (5) is ... Adjustment plates (6) are fixedly mounted on both ends of the connecting rod (5), and a plurality of protrusions are provided on the front side of the adjustment plate (6) according to the number of louvers (4). A screw rod (9) is arranged on the outside of the filter plate (11), and both ends of the screw rod (9) are rotatably mounted in the filter box (1) through bearings. A suction pipe (12) is arranged on one side of the filter plate (11) and is fixedly mounted in the filter box (1). A fan (13) is fixedly mounted in the suction pipe (12) through a support rod. Two ultraviolet lamps (16) are arranged in parallel between the activated carbon filter (14) and the photocatalyst filter (17), and the ultraviolet lamps (16) are fixedly mounted on a bracket (15).

2. A formaldehyde gas circulation filtering device suitable for house decoration according to claim 1, characterized in that: Connecting plates (7) are rotatably mounted on both sides of the center of the outer side of the adjustment plate (6) via an axis, and bidirectional electric cylinders (8) are fixedly mounted on the inner walls of both sides of the air inlet end of the filter box (1), and the other ends of the connecting plates (7) are rotatably mounted on the piston rods at both ends of the bidirectional electric cylinder (8).

3. A formaldehyde gas circulation filtering device suitable for house decoration according to claim 1, characterized in that: A scraper (10) is slidably mounted on the outer side of the filter plate (11), a threaded hole is provided on the upper part of the scraper (10), and the scraper (10) is slidably mounted on the screw rod (9).

4. The formaldehyde gas circulation filtering device suitable for house decoration according to claim 1, characterized in that: A motor (2) is fixedly mounted on the top of the filter box (1), and a rotating shaft of the motor (2) is fixedly connected to the upper end of the screw rod (9).

5. The formaldehyde gas circulation filtering device suitable for house decoration according to claim 1, characterized in that: The filter box (1) has an ash discharge port at the bottom of the air inlet end, and slide rails (18) are provided on both sides of the ash discharge port and fixedly installed at the bottom of the filter box (1), and a dust collection box (19) is slidably installed in the slide rails (18).

6. The formaldehyde gas circulation filtering device suitable for house decoration according to claim 1, characterized in that: Universal seats (20) are fixedly mounted at the four corners of the bottom of the filter box (1), and rollers (21) are rotatably mounted in the universal seats (20) via rotating shafts.

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