Slow-release formaldehyde removal device

The design of the L-shaped channel and sliding snap-fit ​​structure solves the problem of cumbersome dust removal screen disassembly, enabling quick installation and disassembly of the dust screen, and improving the ease of use and air purification effect of the formaldehyde removal equipment.

CN223747184UActive Publication Date: 2026-01-02HANGZHOU LVHAO ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202423063625.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2026-01-02
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The dust removal screens of existing formaldehyde removal equipment need to be disassembled and cleaned after a period of use; otherwise, they will become clogged, affecting air circulation, and disassembly and installation will be inconvenient, with screw connections making operation cumbersome.

Method used

It adopts an L-shaped channel and sliding snap-fit ​​structure, and uses levers and push rods in conjunction with springs to achieve quick installation and removal of the dust screen. It uses a sliding plate and limit blocks for limiting, simplifying the operation.

Benefits of technology

It enables quick installation and removal of dust filters, reducing operation time and improving the practicality of the equipment and air purification efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a slow-release formaldehyde removal device, which relates to the technical field of formaldehyde removal and comprises a device main body, an L-shaped channel is arranged in the middle of the device main body, a dust screen is clamped at one end of the L-shaped channel, and a clamping block is fixedly mounted in the middle of the lower end of the dust screen. When the dustproof net is installed, the clamping block below the deflector rod is aligned with the convex groove and pressed downwards, at the moment, the clamping block can abut against the narrow side of the lower convex groove, the push rod is pressed to drive the sliding plate to extrude the spring, the dustproof net can also move towards one side of the spring, the wide side of the convex groove moves to the position under the clamping block, and therefore the dustproof net is installed. When the dustproof net is disassembled, the push rod is extruded to enable the wide side of the convex groove to be located above the clamping block, the sliding plate does not limit the dustproof net, and therefore the dustproof net is disassembled. And the dustproof net can be taken down.
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Description

TECHNICAL FIELD

[0001] The utility model relates to formaldehyde removal technical field especially relates to a slow release formaldehyde removal device. BACKGROUND

[0002] Formaldehyde is an organic chemical substance, is colorless irritating toxic gas, formaldehyde acute poisoning shows the irritation to skin, mucous membrane, inhaled high concentration formaldehyde can induce bronchial asthma, pneumonia, pulmonary edema and other symptoms, especially the biggest pollution in modern house decoration is formaldehyde, the formaldehyde in the room is quite harmful to the body of people, therefore, must adopt appropriate method to reduce the content of formaldehyde, for removing formaldehyde in indoor air.

[0003] However, in the prior art, the equipment for removing formaldehyde is usually through the air suction fan to generate negative pressure, the indoor air is sucked into the equipment, and the formaldehyde in the air can be removed when passing through the formaldehyde removal function object, and some dust and impurities in the air are sucked in during the process of extracting external air flow, so a dust removal net is arranged at the air inlet for intercepting dust, the dust removal net is mostly connected with the formaldehyde removal equipment through screws, and the dust removal net needs to be disassembled and cleaned after a period of time, otherwise the dust will block the dust removal net, once blocked, not only the air circulation will be affected, but also the formaldehyde removal effect will be reduced, in the actual use process, the dust removal net is connected through the screws, and it is troublesome to disassemble and install, the screws need to be unscrewed in sequence when disassembled, and the screws need to be screwed in sequence again after aligning the screw holes when installed, which needs to spend more time, and has certain limitation. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems that the dust removal net of the formaldehyde removal equipment in the prior art needs to be disassembled and cleaned after a period of time, otherwise the dust will block the dust removal net, once blocked, not only the air circulation will be affected, but also the formaldehyde removal effect will be reduced, in the actual use process, the dust removal net is connected through the screws, and it is troublesome to disassemble and install, the screws need to be unscrewed in sequence when disassembled, and the screws need to be screwed in sequence again after aligning the screw holes when installed, which needs to spend more time, and proposes a slow release formaldehyde removal device.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a slow-release formaldehyde removal device, including device main part, the middle part of device main part is equipped with L type channel, one end of L type channel is connected with dust screen, the middle part of dust screen lower extreme is fixedly installed with the clamping block, the middle part of fixed plate one end is fixedly installed with the sliding slot, both sides of fixed plate middle part are equipped with the sliding slot, the middle part of fixed plate is slidably connected with sliding plate, the middle part of both sides of sliding plate is fixedly installed with the limit slide, the sliding connection between limit slide and sliding slot, the middle part of sliding plate is equipped with the convex slot, one end of push rod is fixedly installed with the push rod, one end of push rod is respectively passed through one end of fixed plate and one side of device main part, the other end of sliding plate is fixedly installed with spring, and one end of spring is fixedly connected with the other end of fixed plate, both sides of the middle part of fixed plate one end are fixedly installed with the limit block, and one end of sliding plate is located with the limit block, and the bottom of the clamping block is above the clamping block, and the diameter of the bottom of the clamping block is less than the wider end of the convex slot but greater than the narrower end of the convex slot.

[0006] Preferably, the middle part of the dust screen upper end is fixedly installed with a push rod.

[0007] Preferably, the middle part of the device main body one side is equipped with the pull-out slot, and the middle part of the pull-out slot is slidably connected with the filter box.

[0008] Preferably, the middle part of the filter box is connected with the activated carbon particle filter plate, and the lower part of the filter box is connected with the amino acid filter plate.

[0009] Preferably, the other end of the L type channel 11 is fixedly connected with the insect screen through the screw, and the upper side of the middle part of the other side of the device main body is fixedly installed with the display assembly.

[0010] Preferably, the side of the insect screen is fixedly installed with the air suction machine, and the air suction machine is located above the middle part of the other end of the L type channel 11.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that:

[0012] 1、 The utility model discloses, install dust screen, first press down the clamping block below the push rod to the convex groove again, at this moment, the clamping block will and the one side of the below convex groove that is narrow abut and cannot reach the bottom, only need to press the push rod and drive the slide plate extrusion spring, the dust screen will also move to the one side of the spring in the process, make the one side of the convex groove that is wide move to the right below the clamping block, at this moment, press the dust screen through the push rod again, can make the clamping block reach the bottom fixed plate, then release the press of push rod, the spring will drive the slide plate reset, the one side of the convex groove that is narrow will be pressed on the top of the clamping block in the process, thereby limiting the dust screen, when disassembling, make the one side of the convex groove that is wide be located on the top of the clamping block by extruding the push rod, thereby canceling the limitation of the dust screen to the slide plate, then take down the dust screen through the push rod and drive the dust screen to go up, simple and quick operation can save the time of disassembling and installing the dust screen greatly.

[0013] 2、 The utility model discloses, the both ends of the one side of the middle part of fixed plate are provided with the limiting block, can limit the position of slide plate, no matter in the process of installing or disassembling the dust screen, as long as the operator cancels the press of push rod and makes the spring drive the slide plate reset, one end of the slide plate will be in abutment with the limiting block, can limit the position of limiting block, can reduce unnecessary vibration.

[0014] 3、 The utility model discloses, filter box can be taken down along with drawing groove, convenient for the user to replace the activated carbon particle filter plate and amino acid filter plate in the inside, to guarantee the purification efficiency of the device to formaldehyde in the air. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the first three-dimensional structure schematic diagram of the slow-release formaldehyde removal device provided by the utility model;

[0016] Figure 2 It is the second three-dimensional structure schematic diagram of the slow-release formaldehyde removal device provided by the utility model;

[0017] Figure 3 It is the section structure schematic diagram of the slow-release formaldehyde removal device provided by the utility model;

[0018] Figure 4 It is the partial section structure schematic diagram of the slow-release formaldehyde removal device provided by the utility model;

[0019] Figure 5 It is the fixed plate and slide plate connection relation schematic diagram of the slow-release formaldehyde removal device provided by the utility model.

[0020] Legend: 1. Main body of the device; 11. L-shaped channel; 12. Insect net; 13. Fan; 14. Pull-out slot; 15. Filter box; 16. Activated carbon granule filter plate; 17. Amino acid filter plate; 18. Display component; 2. Dustproof net; 21. Toggle lever; 22. Locking block; 23. Fixing plate; 24. Push rod; 25. Slide plate; 26. Limiting slide bar; 27. Convex groove; 28. Spring; 29. ​​Sliding groove; 30. Limiting block. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1, as Figures 1-5 As shown, this utility model provides a slow-release formaldehyde removal device, including a device body 1. An L-shaped channel 11 is formed in the middle of the device body 1. A dustproof net 2 is snapped onto one end of the L-shaped channel 11. A locking block 22 is fixedly installed in the middle of the lower end of the dustproof net 2. A fixing plate 23 is fixedly installed in the middle of one end of the L-shaped channel 11. Sliding grooves 29 are formed on both sides of the middle of the fixing plate 23. A sliding plate 25 is slidably snapped onto the middle of the fixing plate 23. Limiting sliders 26 are fixedly installed in the middle of both sides of the sliding plate 25. The limiting sliders 26 are slidably snapped onto the sliding grooves 29. A convex groove 27 is provided in the middle. A push rod 24 is fixedly installed at one end of the slide plate 25. One end of the push rod 24 passes through one end of the fixed plate 23 and one side of the main body 1 of the device. A spring 28 is fixedly installed at the other end of the slide plate 25. One end of the spring 28 is fixedly connected to the other end of the fixed plate 23. Limit blocks 30 are fixedly installed on both sides of one end of the middle of the fixed plate 23. One end of the slide plate 25 abuts against the limit block 30. The slide plate 25 is located above the bottom of the locking block 22. The diameter of the bottom of the locking block 22 is smaller than the wider end of the convex groove 27 but larger than the narrower end of the convex groove 27.

[0024] The specific settings and effects of the embodiment are described below. When installing the dust screen 2, first align the clamping block 22 below the push rod 21 with the convex groove 27 and press it down. At this time, the clamping block 22 will abut against the narrower side of the convex groove 27 below and cannot reach the bottom. Only need to press the push rod 24 to drive the sliding plate 25 to extrude the spring 28. In the process, the dust screen 2 will also move towards the side of the spring 28, so that the wider side of the convex groove 27 moves directly below the clamping block 22. At this time, press the dust screen 2 through the push rod 21 to make the clamping block 22 reach the bottom of the fixed plate 23. Then release the press on the push rod 24. The spring 28 will drive the sliding plate 25 to reset. In the process, the narrower side of the convex groove 27 will be pressed above the clamping block 22, thereby limiting the dust screen 2. When disassembling, extrude the push rod 24 to make the wider side of the convex groove 27 above the clamping block 22, so that the sliding plate 25 cancels the limitation of the dust screen 2. Then lift the dust screen 2 upward through the push rod 21 to remove the dust screen 2. The operation is simple and fast, which can save the time of disassembling the dust screen 2 and has higher practicality.

[0025] In the second embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the middle of the upper end of the dust screen 2 is fixedly installed with a push rod 21. The both ends of the middle of one side of the device main body 1 are provided with pull-out grooves 14. The middle of the pull-out groove 14 is slidably connected with a filter box 15. The upper side of the middle of the filter box 15 is connected with an activated carbon particle filter plate 16. The lower side of the middle of the filter box 15 is connected with an amino acid filter plate 17. The other end of the L-shaped channel 11 is fixedly connected with an insect screen 12 through a screw. The upper side of the middle of the other side of the device main body 1 is fixedly installed with a display assembly 18. One side of the insect screen 12 is fixedly installed with a suction fan 13. The suction fan 13 is located above the middle of the other end of the L-shaped channel 11.

[0026] The effect achieved by the whole embodiment is that the dust screen 2 is installed before use. When installing, first align the clamping block 22 below the push rod 21 with the convex groove 27 and then press downward. At this time, the clamping block 22 will abut against the narrower side of the convex groove 27 below and cannot touch the bottom. Only need to press the push rod 24 to drive the sliding plate 25 to extrude the spring 28. In the process, the dust screen 2 will also move towards the side of the spring 28, so that the wider side of the convex groove 27 moves directly below the clamping block 22. At this time, the clamping block 22 can be fixed to the bottom plate 23 by pressing the dust screen 2 through the push rod 21. Then release the pressing of the push rod 24. The spring 28 will drive the sliding plate 25 to reset. In the process, the narrower side of the convex groove 27 will be pressed above the clamping block 22, so as to limit the dust screen 2. At this time, the device is started. The air suction fan 13 can generate negative pressure inside the L-shaped channel 11, suck external air into the L-shaped channel 11 from the dust screen 2, and discharge from the insect screen 12. In the process, the activated carbon particle filter plate 16 and the amino acid filter plate 17 can eliminate formaldehyde in the air. After a period of use, the surface of the dust screen 2 will adsorb a lot of dust and need to be disassembled and cleaned. When disassembling, extrude the push rod 24 to make the wider side of the convex groove 27 above the clamping block 22, so as to cancel the limitation of the sliding plate 25 to the dust screen 2. Then the dust screen 2 is taken out by pulling up through the push rod 21. Whether in the process of installing or disassembling the dust screen 2, as long as the operator cancels the pressing of the push rod 24 to make the spring 28 drive the sliding plate 25 to reset, one end of the sliding plate 25 will abut against the limiting block 30, which can limit the position of the limiting block 30 and reduce unnecessary vibration. When adsorption is saturated, the filter box 15 can be taken out along the pulling groove 14, so that the user can replace the activated carbon particle filter plate 16 and the amino acid filter plate 17 inside to ensure the purification efficiency of the device for formaldehyde in the air. The operation is simple and fast, which can save the time of disassembling the dust screen 2 and has higher practicality.

[0027] The method for using and working principle of the device: when installing the dust screen 2, first align the clamping block 22 below the push rod 21 with the convex groove 27 and then press downward, at this time the clamping block 22 will abut against the narrower side of the convex groove 27 below and cannot touch the bottom, only need to press the push rod 24 to drive the sliding plate 25 to extrude the spring 28, in the process, the dust screen 2 will also move to the side of the spring 28, so that the wider side of the convex groove 27 moves to the directly below of the clamping block 22, at this time, the dust screen 2 can be fixed to the bottom of the clamping block 22 by pressing the dust screen 2 through the push rod 21, then release the pressing on the push rod 24, the spring 28 will drive the sliding plate 25 to reset, in the process, the narrower side of the convex groove 27 will be pressed above the clamping block 22, so as to limit the dust screen 2, at this time, start the device, the air suction fan 13 can generate negative pressure in the L-shaped channel 11, so that the external air enters the L-shaped channel 11 from the dust screen 2 and is discharged from the insect screen 12, in the process, the activated carbon particle filter plate 16 and the amino acid filter plate 17 can eliminate formaldehyde in the air, after using for a period of time, the surface of the dust screen 2 will adsorb a lot of dust and need to be disassembled and cleaned, when disassembling, extrude the push rod 24 to make the wider side of the convex groove 27 above the clamping block 22, so that the sliding plate 25 cancels the limitation of the dust screen 2, then the dust screen 2 can be taken off by lifting the dust screen 2 upward through the push rod 21, no matter in the process of installing or disassembling the dust screen 2, as long as the operator cancels the pressing on the push rod 24 to make the spring 28 drive the sliding plate 25 to reset, one end of the sliding plate 25 will abut against the limiting block 30, which can limit the position of the limiting block 30 and reduce unnecessary vibration, when adsorption is saturated, the filter box 15 can be taken off along the pulling groove 14, so that the user can replace the activated carbon particle filter plate 16 and the amino acid filter plate 17 inside to ensure the purification efficiency of the device for formaldehyde in the air, the operation is simple and fast, which can save the time for disassembling the dust screen 2 and has higher practicability.

[0028] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms, any skilled person in the art can change or modify the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the above embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A slow-release formaldehyde removal device, comprising a device main body (1), an L-shaped channel 11 (11) is formed in the middle of the device main body (1), and a dustproof net (2) is clamped at one end of the L-shaped channel 11 (11), characterized in that: The middle part of the lower end of the dustproof net (2) is fixedly installed with a clamping block (22), the middle part of one end of the L-shaped channel 11 (11) is fixedly installed with a fixed plate (23), both sides of the middle part of the fixed plate (23) are provided with sliding grooves (29), the middle part of the fixed plate (23) is slidably connected with a sliding plate (25), both sides of the middle part of the sliding plate (25) are fixedly installed with limiting sliding strips (26), the limiting sliding strips (26) and the sliding grooves (29) are slidably connected, the middle part of the sliding plate (25) is provided with a convex groove (27), one end of the sliding plate (25) is fixedly installed with a push rod (24), one end of the push rod (24) penetrates through one end of the fixed plate (23) and one side of the device body (1), the other end of the sliding plate (25) is fixedly installed with a spring (28), one end of the spring (28) is fixedly connected with the other end of the fixed plate (23), both sides of the middle part of one end of the fixed plate (23) are fixedly installed with limiting blocks (30), one end of the sliding plate (25) abuts against the limiting blocks (30), the sliding plate (25) is located above the bottom of the clamping block (22), the diameter of the bottom of the clamping block (22) is smaller than the wider end of the convex groove (27) but larger than the other end of the convex groove (27).

2. The device according to claim 1, wherein: The middle part of the upper end of the dustproof net (2) is fixedly installed with a push rod (21).

3. The device according to claim 2, wherein: Both ends of the middle part of one side of the device body (1) are provided with pull-out grooves (14), the middle part of the pull-out groove (14) is slidably connected with a filter box (15).

4. The device according to claim 3, wherein: The upper part of the middle part of the filter box (15) is connected with an activated carbon particle filter plate (16), and the lower part of the middle part of the filter box (15) is connected with an amino acid filter plate (17).

5. The device according to claim 1, wherein: The other end of the L-shaped channel 11 (11) is fixedly connected with an insect-proof net (12) through a screw, and the upper part of the middle part of the other side of the device body (1) is fixedly installed with a display assembly (18).

6. The device according to claim 5, wherein: One side of the insect-proof net (12) is fixedly installed with a suction fan (13), and the suction fan (13) is located above the middle part of the other end of the L-shaped channel 11 (11).