Formaldehyde removal device
The formaldehyde removal device addresses inefficiencies in existing systems by employing an aspirator, ultraviolet lamps, and air purifier with a snap-fit mechanism for easy maintenance, achieving effective formaldehyde decomposition and purification.
Patent Information
- Application Number
- CN202323358849.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-08
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-08
AI Technical Summary
Existing formaldehyde removal devices are inefficient, difficult to disassemble and clean, and have limited effectiveness in decomposing formaldehyde, especially in indoor environments.
A formaldehyde removal device comprising an aspirator, ultraviolet lamps, photocatalyst, and air purifier, with a fastening assembly for easy disassembly and maintenance, effectively decomposes formaldehyde through photocatalysis and secondary purification.
The device efficiently decomposes formaldehyde using photocatalytic action and secondary purification, facilitating easy cleaning and maintenance through a snap-fit mechanism.
Smart Images

Figure CN222151547U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of formaldehyde removal, in particular to a formaldehyde removal device. Background Art
[0002] Formaldehyde in indoor air has become a major pollutant that affects human health, especially in winter, where formaldehyde is the most harmful to the human body. Artificial boards such as plywood, blockboard, medium-density fiberboard and particleboard used for interior decoration, and adhesives used in the production of artificial boards contain formaldehyde as the main component. The residual and unreacted formaldehyde in the boards will gradually be released into the surrounding environment, forming the main body of formaldehyde in indoor air. In order to pursue profits, some manufacturers of furniture made of artificial boards use unqualified boards, or use inferior glue when bonding veneer materials. The formaldehyde in the boards and glue seriously exceeds the standard and contains formaldehyde components. And other types of decorative materials that may be emitted to the outside world, such as wall cloth, wallpaper, chemical fiber carpet, paint and coating, etc., China Patent discloses a highly efficient formaldehyde removal device. (Authorization Announcement No. CN214389560U), the patented technology can rotate the fixed rod clockwise, so that the fixed rod moves upward along the mobile component, unlock the mobile component, push the formaldehyde removal device body to the location where formaldehyde needs to be removed, rotate the fixed rod counterclockwise, so that the fixed rod moves upward along the mobile component, fix the mobile component, and facilitate movement and fixation, but the device has a general effect on the removal and decomposition of formaldehyde and it is not easy to disassemble and clean. Therefore, those skilled in the art provide a formaldehyde removal device to solve the problems raised in the above background technology. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a formaldehyde removal device, including a box body, a partition is provided in the middle of the box body, a protective door is hinged below the front surface of the box body, a universal wheel is provided at the bottom of the box body, rectangular grooves are provided on both sides of the top of the box body, a slot is provided on the side wall of the box body in the middle of the rectangular groove, and the universal wheel facilitates the movement of the device;
[0004] A protective cover is provided on the top of the box body, and an aspirator is provided on the box body in the middle below the protective cover. The aspirator suction end is located inside the protective cover and the air outlet end is located inside the box body. The aspirator is used to extract formaldehyde in the room.
[0005] A fastening assembly for fixing the protective cover is provided on the top of the side of the box body.
[0006] Preferably, an air inlet is provided on the top of the protective cover, a sliding groove is provided on the inner wall below the air inlet, a filter plate is slidably connected in the sliding groove, and the sliding groove facilitates the replacement of the filter plate.
[0007] Preferably, the bottom ends of both sides of the protective cover are fitted and snap-fitted with the rectangular groove, and a plug hole is provided in the middle thereof, and the plug hole matches with the slot.
[0008] Preferably, ultraviolet lamps are symmetrically fixed to the inner walls of the box body on both sides of the air outlet end of the aspirator, and a photocatalyst is provided on the partition directly below the ultraviolet lamp, and the ultraviolet lamp shines on the photocatalyst to achieve a photocatalytic effect.
[0009] Preferably: an air purifier is provided directly below the partition, an air intake pipe provided on the top of the air purifier penetrates the partition and an air outlet pipe provided on the side thereof penetrates the side wall of the box, and the air purifier is used for secondary purification of air in which formaldehyde is decomposed under photocatalysis.
[0010] Preferably: the fastening assembly includes an insertion rod and a spring block, the insertion rod slides in fit with the slot and its inner end is snap-fitted with the socket, the inner side of the spring block is fixed to the side wall of the box body outside the slot, and the outer side of the spring block is fixed to the outer end of the insertion rod. The fastening assembly facilitates the installation and disassembly of the protective cover, which is beneficial for cleaning and maintenance of the device.
[0011] Technical effects and advantages of the utility model:
[0012] In the utility model, through the cooperation of the aspirator, the ultraviolet lamp, the photocatalyst and the air purifier, the aspirator draws the formaldehyde in the room into the interior of the box, and then turns on the ultraviolet lamp. The photocatalyst performs photocatalytic action under the irradiation of the ultraviolet lamp, generates active oxygen and hydroxyl free radicals, and decomposes the formaldehyde in the box. Then, the air purifier performs secondary purification on the air decomposed by the formaldehyde under the photocatalytic action and discharges it out of the box. The device has a strong decomposition effect on formaldehyde.
[0013] By setting up the fastening assembly, when cleaning the device, pull the plug rod outward and then lift the protective cover upward. At this time, the device under the protective cover can be cleaned; when installing the protective cover, loosen and pull the plug rod outward, snap the two sides of the bottom of the protective cover into the rectangular groove, and then insert the rod. Under the elastic action of the spring block, the plug rod is reset and snapped into the socket. At this time, the protective cover is fixed; the fastening assembly facilitates the installation and disassembly of the protective cover, which is beneficial to the cleaning and maintenance of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of a formaldehyde removal device provided in an embodiment of the present application;
[0015] Figure 2 is a cross-sectional view of a formaldehyde removal device provided in an embodiment of the present application;
[0016] Figure 3 It is a partial exploded view of a formaldehyde removal device provided in an embodiment of the present application;
[0017] Figure 4 The embodiment of this application provides Figure 3 A partial enlarged view of the middle A;
[0018] Figure 5 It is a partial cross-sectional view of a formaldehyde removal device provided in an embodiment of the present application.
[0019] In the figure:
[0020] 1. Box body; 11. Partition; 12. Protective door; 13. Universal wheel; 14. Rectangular groove; 15. Slot;
[0021] 2. Protective cover; 21. Air inlet; 22. Sliding slot; 23. Filter plate; 24. Socket;
[0022] 3. Aspirator;
[0023] 4. Ultraviolet lamp;
[0024] 5. Photocatalyst;
[0025] 6. Air purifier; 61. Intake pipe; 62. Exhaust pipe;
[0026] 7. Fastening assembly; 71. Insert rod; 72. Spring block. DETAILED DESCRIPTION
[0027] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose 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 are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.
[0028] Example
[0029] See also Figure 1 to Figure 5 In this embodiment, a formaldehyde removal device is provided, including a box body 1, a partition 11 is provided in the middle of the box body 1, a protective door 12 is hinged at the bottom of the front surface of the box body 1, a universal wheel 13 is provided at the bottom of the box body 1, rectangular grooves 14 are provided on both sides of the top of the box body 1, a slot 15 is provided on the side wall of the box body 1 in the middle of the rectangular groove 14, and the universal wheel 13 facilitates the movement of the device; a protective cover 2 is provided on the top of the box body 1, and an aspirator 3 is provided on the box body 1 in the middle below the protective cover 2, the suction end of the aspirator 3 is located inside the protective cover 2 and the air outlet end is located inside the box body 1, and the aspirator 3 is used to extract formaldehyde in the room; a fastening component 7 for fixing the protective cover 2 is provided on the top of the side of the box body 1.
[0030] Specifically, an air inlet 21 is provided on the top of the protective cover 2, and a sliding groove 22 is provided on the inner wall below the air inlet 21. A filter plate 23 is slidably connected in the sliding groove 22, and the sliding groove 22 facilitates the replacement of the filter plate 23; the bottom ends of both sides of the protective cover 2 are fitted and engaged with the rectangular groove 14, and a socket 24 is provided in the middle thereof, which cooperates with the slot 15.
[0031] Ultraviolet lamps 4 are symmetrically fixed to the inner walls of the box body 1 on both sides of the air outlet end of the air aspirator 3, and photocatalysts 5 are provided on the partition 11 directly below the ultraviolet lamps 4. The ultraviolet lamps 4 shine on the photocatalysts 5 to achieve a photocatalytic effect; an air purifier 6 is provided directly below the partition 11, and an air intake pipe 61 provided on the top of the air purifier 6 penetrates the partition 11 and an air outlet pipe 62 provided on the side thereof penetrates the side wall of the box body 1. The air purifier 6 is used for secondary purification of air in which formaldehyde is decomposed under the action of photocatalysis.
[0032] The fastening assembly 7 includes an insertion rod 71 and a spring block 72. The insertion rod 71 slides in contact with the slot 15 and its inner end is snap-fitted with the socket 24. The inner side of the spring block 72 is fixed to the side wall of the box body 1 outside the slot 15, and the outer side of the spring block 72 is fixed to the outer end of the insertion rod 71. The fastening assembly 7 facilitates the installation and disassembly of the protective cover 2, which is beneficial for cleaning and maintenance of the device.
[0033] Working principle:
[0034] Aspirator 3; Ultraviolet lamp 4; Photocatalyst 5; Air purifier 6;
[0035] After the aspirator 3 draws the indoor formaldehyde into the box 1, the ultraviolet lamp 4 is turned on, and the photocatalyst 5 performs photocatalytic action under the irradiation of the ultraviolet lamp 4 to generate active oxygen and hydroxyl free radicals to decompose the formaldehyde inside the box 1. Then the air purifier 6 performs secondary purification on the air decomposed by the formaldehyde under the photocatalytic action and discharges it from the box 1. This device has a strong decomposition effect on formaldehyde.
[0036] Fastening assembly 7;
[0037] When cleaning the device, pull the insertion rod 71 outward and then lift the protective cover 2 upward. At this time, the device under the protective cover 2 can be cleaned; when installing the protective cover 2, release and pull the insertion rod 71 outward, snap the two sides of the bottom of the protective cover 2 into the rectangular groove 14, and then insert the rod 71. Under the elastic action of the spring block 72, the insertion rod 71 is reset and snapped into the hole 24. At this time, the protective cover 2 is fixed; the fastening assembly 7 facilitates the installation and disassembly of the protective cover 2, which is beneficial to the cleaning and maintenance of the device.
[0038] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.
Claims
1. A formaldehyde removal device, comprising a box (1), a partition (11) is provided in the middle of the box (1), a protective door (12) is hinged below the front surface of the box (1), a universal wheel (13) is provided at the bottom of the box (1), rectangular grooves (14) are provided on both sides of the top of the box (1), and a slot (15) is provided on the side wall of the box (1) in the middle of the rectangular groove (14), characterized in that: A protective cover (2) is provided on the top of the box body (1), and an aspirator (3) is provided on the box body (1) in the middle below the protective cover (2), wherein the aspirator (3) has an air intake end located inside the protective cover (2) and an air outlet end located inside the box body (1); A fastening assembly (7) for fixing the protective cover (2) is provided on the top of the side of the box body (1).
2. A formaldehyde removal device according to claim 1, characterized in that: The top of the protective cover (2) is provided with an air inlet (21), the inner wall below the air inlet (21) is provided with a sliding groove (22), and a filter plate (23) is slidably connected in the sliding groove (22).
3. A formaldehyde removal device according to claim 2, characterized in that: The bottom ends of both sides of the protective cover (2) are fitted and snap-fitted with the rectangular groove (14), and a plug hole (24) is provided in the middle thereof, and the plug hole (24) is matched with the slot (15).
4. A formaldehyde removal device according to claim 1, characterized in that: Ultraviolet lamps (4) are symmetrically fixedly connected to the inner walls of the box body (1) on both sides of the air outlet end of the aspirator (3), and a photocatalyst (5) is provided on the partition (11) directly below the ultraviolet lamp (4).
5. A formaldehyde removal device according to claim 4, characterized in that: An air purifier (6) is provided directly below the partition (11); an air intake pipe (61) provided on the top of the air purifier (6) penetrates the partition (11), and an air outlet pipe (62) provided on the side thereof penetrates the side wall of the box body (1).
6. A formaldehyde removal device according to claim 1, characterized in that: The fastening assembly (7) comprises an insertion rod (71) and a spring block (72); the insertion rod (71) is slidably fitted with the slot (15) and its inner end is fitted and snap-fitted with the insertion hole (24); the inner side of the spring block (72) is fixed to the side wall of the box body (1) outside the slot (15), and the outer side of the spring block (72) is fixed to the outer end of the insertion rod (71).
