Formaldehyde-removal low-air-resistance filter

The design of the mounting frame and buffer mechanism solves the problem of inconvenient air conditioner filter assembly, enabling quick installation and disassembly, and improving the convenience and purification effect of the air conditioner.

WO2025241360A1PCT designated stage Publication Date: 2025-11-27SHANGHAI JUNKAI ENVIRONMENTAL ENG CO LTD
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Patent Information

Application Number
PCT/CN2024/118132
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-24
Filing Date
2024-09-11
Publication Date
2025-11-27

AI Technical Summary

Technical Problem

Existing air conditioning filters are inconvenient to assemble and disassemble, and the replacement process is cumbersome, affecting convenience and the reliability of the device.

Method used

The design incorporates an installation frame, sliding rod, connecting plate, movable plate, and buffer mechanism. Combined with a honeycomb activated carbon filter, the filter can be quickly installed and removed through the cooperation of a limiting rod, sliding groove, and spring telescopic rod. The buffer mechanism also enhances its impact resistance.

Benefits of technology

It enables rapid assembly and disassembly of the filter, improving the convenience and reliability of the device. At the same time, it effectively adsorbs formaldehyde in the air through honeycomb activated carbon material, enhancing the air conditioner's purification capacity.

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Abstract

A formaldehyde-removal low-air-resistance filter, comprising a mounting frame (1). The left and right sides of the inner wall of the mounting frame (1) are each provided with a reserved groove (3); a plurality of sliding rods (4) are slidably connected to the inner sides of the reserved grooves (3); connecting plates (5) are fixedly connected between a side of each sliding rod (4) and a side of the corresponding sliding rod (4) which are adjacent to each other; filter screens (15) are provided on the front and rear sides of the inner walls of the connecting plates (5); a movable plate (6) is rotatably connected to the top of the mounting frame (1); a mounting block (7) is fixedly connected to the front side of the movable plate (6); a limiting rod (8) is rotatably connected to the inner side of the mounting block (7); a slot (10) is provided on the inner side of the movable plate (6); and a fixing frame (9) is provided on the right side of the top end of the mounting frame (1). By means of the fitting among the mounting block (7), the limiting rod (8), and the fixing frame (9), the mounting of the filter screens (15) is facilitated, and rapid mounting of the filter screens (15) on an air conditioner is achieved. Moreover, by means of the fitting among rotating plates (202), a U-shaped plate (203), and U-shaped blocks (201), the impact protection capability and shock resistance of the filter screens (15) can be enhanced.
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Description

Formaldehyde removal low wind loss filter screen TECHNICAL FIELD

[0001] The utility model relates to welding fume processing technical field especially relates to a formaldehyde removal low wind loss filter screen. BACKGROUND

[0002] Air conditioner is a kind of common household electrical appliances, it will carry out the air exchange inside and outside when refrigeration or heating, and the air is filtered by its built-in filter screen, the dust, pollen, bacteria, virus, pet hair and other small particulate matters are intercepted, prevent these pollutants from entering indoor air, to improve the filter screen filtration and adsorption effect need to use a formaldehyde removal low wind loss filter screen.

[0003] Through the retrieval, China patent publication No. CN207769379U discloses a film type activated carbon filter element, including activated carbon filter element, protective film, the upper and lower ends of the activated carbon filter element are provided with protective film, the activated carbon filter element is connected with protective film by not dry glue adhesion, the film type activated carbon filter element, by covering the protective film with not dry glue on the upper and lower surfaces of the activated carbon filter element, the size of the protective film can be customized according to the size of the activated carbon filter element, the protective film with not dry glue can be easily adhered to the surface of the activated carbon filter screen, and it is easy to open during use, solve the problem that activated carbon is dropped in the transportation process due to transportation collision and friction, the dropped powder is directly adhered by the protective film on the surface, the powder will not fall into the packaging bag, prevent the frame and packaging bag from being polluted, also solve the oxidation condition that the adsorbing material filled in the activated carbon filter element contacts with air, prolong the shelf life of the activated carbon filter element, provide great help for people, but the device cannot well assemble the filter screen and quickly install it with the air conditioner in the actual use, and the replacement and diswashing steps are more cumbersome in actual use, thereby reduce the convenience of the device. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a formaldehyde removal low wind loss filter screen, aims at improving the problem of inconvenient assembly and diswashing in the prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a low wind loss filter screen of formaldehyde removal, including the mounting frame, the inner wall left and right sides of mounting frame are all seted up and reserve the groove, the inboard slide of reserve groove is connected with a plurality of slide rods, the adjacent between a plurality of slide rods all are fixedly connected with the connecting plate, the inner wall front and back of connecting plate all is provided with filter screen, the top of mounting frame is rotatably connected with movable plate, the front side fixedly connected with mounting block of movable plate, the inboard rotatable connection of mounting block is limited to the rod, the inboard of movable plate is seted up and clamping groove, the top right side of mounting frame is seted up and fixed frame, the rear side of limiting rod is passed through fixed frame and is clamped with clamping groove, the inboard of connecting plate is provided with buffer mechanism.

[0006] As further description of the above technical scheme:

[0007] The buffer mechanism includes a plurality of U-shaped blocks, a plurality of U-shaped blocks are respectively arranged on the inner wall of the connecting plate, the inner side of the U-shaped block is rotatably connected with a rotating plate, the inner side of the rotating plate is rotatably connected with a U-shaped plate, the adjacent side of a plurality of U-shaped blocks is fixedly connected with a spring telescopic rod, the front side of the rear filter screen is fixedly connected with a spring around the four sides, the front filter screen is fixedly connected with the rear filter screen through the spring.

[0008] As further description of the above technical scheme:

[0009] The inner wall of the connecting plate is provided with a sliding groove on the upper side and the lower side, and the outer side of the U-shaped block is respectively connected with the corresponding sliding groove.

[0010] As further description of the above technical scheme:

[0011] The outer wall of the mounting frame is fixedly connected with a positioning block around the four sides, and the outer side of a plurality of positioning blocks is provided with a positioning hole.

[0012] As further description of the above technical scheme:

[0013] The material of the filter screen is honeycomb activated carbon.

[0014] As further description of the above technical scheme:

[0015] The top of the movable plate is provided with a handle.

[0016] As further description of the above technical scheme:

[0017] The outer side of the handle is fixedly connected with a sheath.

[0018] As further description of the above technical scheme:

[0019] The handle and the movable plate are clamped together.

[0020] The utility model has the advantages of the following:

[0021] 1. In the utility model, the limiting rod is rotated along the mounting block, so that the limiting rod, the fixed frame and the clamping groove are disengaged to open and close the movable plate. Then, the sliding movement between the sliding rod and the sliding groove enables the installation of multiple connecting plates and filter screens in the mounting frame. This facilitates the assembly of the filter screen and the quick installation of the filter screen and the air conditioner, thereby improving the convenience of the device.

[0022] 2. In the utility model, the extension and retraction of the spring extension rod drives the rotating plate to rotate along the U-shaped plate. The rotation of the rotating plate drives the U-shaped block to move. Meanwhile, the extension and retraction of the spring improves the protection capability of the filter screen against external impact and the impact resistance, thereby improving the reliability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 is a perspective view of a formaldehyde removal low-wind-loss filter screen according to the utility model;

[0024] Fig. 2 is a schematic view of the mounting frame structure of the formaldehyde removal low-wind-loss filter screen according to the utility model;

[0025] Fig. 3 is a schematic view of the buffer mechanism of the formaldehyde removal low-wind-loss filter screen according to the utility model.

[0026] LEGEND:

[0027] 1. mounting frame; 2. buffer mechanism; 201. U-shaped block; 202. rotating plate; 203. U-shaped plate; 204. spring extension rod; 205. spring; 3. reserved slot; 4. sliding rod; 5. connecting plate; 6. movable plate; 7. mounting block; 8. limiting rod; 9. fixed frame; 10. clamping groove; 11. positioning block; 12. positioning hole; 13. handle; 14. sheath; 15. filter screen; 16. sliding groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] With reference to FIG. 1, FIG. 2 and FIG. 3, an embodiment provided by the utility model discloses a kind of formaldehyde removal low wind loss filter screen, including installation frame 1, the inner wall left and right sides of installation frame 1 are equipped with reserved slot 3, the inner side of reserved slot 3 is slidably connected with multiple sliding rods 4, multiple sliding rods 4 are fixedly connected with connecting plate 5 between adjacent sides, the inner wall front and back of connecting plate 5 is equipped with filter screen 15, the top of installation frame 1 is rotatably connected with movable plate 6, the front side of movable plate 6 is fixedly connected with mounting block 7, the inner side of mounting block 7 is rotatably connected with limiting rod 8, the inner side of movable plate 6 is equipped with clamping groove 10, the top right side of installation frame 1 is equipped with fixed frame 9, the rear side of limiting rod 8 is passed through fixed frame 9 and is engaged with clamping groove 10, the inner side of connecting plate 5 is equipped with buffer mechanism 2;

[0030] Specifically, by rotating mounting block 7 to release the connection of limiting rod 8 with fixed frame 9 and clamping groove 10, the movable plate 6 is opened or closed, then, by sliding the sliding rod 4 in the reserved slot 3, multiple connecting plates 5 and filter screens 15 are installed in the installation frame 1, so as to facilitate the assembly of the filter screen 15, and quickly install it with the air conditioner.

[0031] With reference to FIG. 3, the buffer mechanism 2 includes multiple U-shaped blocks 201, which are respectively arranged around the inner wall of the connecting plate 5. The inner side of the U-shaped block 201 is rotatably connected with a rotating plate 202. The inner side of the rotating plate 202 is rotatably connected with a U-shaped plate 203. The adjacent side of the multiple U-shaped blocks 201 is fixedly connected with a spring telescopic rod 204. The front side of the rear filter screen 15 is fixedly connected with a spring 205 around the four sides. The front filter screen 15 is fixedly connected with the rear filter screen 15 through the spring 205.

[0032] Specifically, the extension and retraction of the spring telescopic rod 204 drives the rotating plate 202 to rotate along the U-shaped plate 203, thereby moving the U-shaped block 201. At the same time, the extension and retraction of the spring 205 improves the protection capability and wind resistance of the filter screen 15 against external impact.

[0033] With reference to FIG. 1, FIG. 2 and FIG. 3, the inner wall of the connecting plate 5 is equipped with sliding groove 16 on the upper and lower sides. The outer side of the U-shaped block 201 is slidably connected with the corresponding sliding groove 16. The outer wall of the installation frame 1 is fixedly connected with a positioning block 11 around the four sides. The outer side of the multiple positioning blocks 11 is equipped with a positioning hole 12. The material of the filter screen 15 is honeycomb activated carbon.

[0034] Specifically, by sliding along the sliding groove 16, the stability of the U-shaped block 201 during movement can be improved. By installing a threaded member in the positioning hole 12 on the positioning block 11, the device can be easily installed and fixed. The filter screen 15 made of honeycomb activated carbon can effectively adsorb gas molecules, odors and pollutants in the air while reducing wind resistance, so that the air conditioner can purify the air while adjusting the temperature.

[0035] Referring to FIG. 1 and FIG. 2, the top of the movable plate 6 is provided with a handle 13; the outer side of the handle 13 is fixedly connected with a sheath 14; the handle 13 is engaged with the movable plate 6;

[0036] Specifically, the handle 13 can facilitate opening and closing the movable plate 6, the sheath 14 on the handle 13 can improve the comfort when holding and operating the handle 13, and the detachable handle 13 can prevent the handle 13 from affecting the device after installation.

[0037] Working principle: before using the device, first, rotate the limiting rod 8 to release its engagement with the fixed frame 9 and the clamping groove 10, so as to open or close the movable plate 6, then slide the sliding rod 4 in the reserved slot 3, a plurality of connecting plates 5 and filter screens 15 can be installed in the mounting frame 1, so as to assemble the filter screen 15 and quickly install it on the air conditioner, thereby improving the convenience of the device, and the extension and retraction of the spring telescopic rod 204 drives the rotating plate 202 to rotate along the U-shaped plate 203, thereby driving the U-shaped block 201 to move, at the same time, the extension and retraction of the spring 205 improves the protection and wind resistance of the filter screen 15 against external impact, thereby improving the reliability of the device.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A formaldehyde removal low-wind-loss filter screen comprising a mounting frame (1), characterized in that: The inner wall of the mounting frame (1) is provided with a reserved groove (3) on the left and right sides, a plurality of sliding rods (4) are slidably connected to the inner side of the reserved groove (3), a connecting plate (5) is fixedly connected between adjacent sliding rods (4), a filter screen (15) is arranged on the inner wall of the connecting plate (5), the top of the mounting frame (1) is rotatably connected with a movable plate (6), the front side of the movable plate (6) is fixedly connected with a mounting block (7), the inner side of the mounting block (7) is rotatably connected with a limiting rod (8), a clamping groove (10) is formed in the inner side of the movable plate (6), a fixed frame (9) is formed at the top right side of the mounting frame (1), the rear side of the limiting rod (8) penetrates through the fixed frame (9) and is clamped with the clamping groove (10), and a buffer mechanism (2) is arranged on the inner side of the connecting plate (5).

2. The formaldehyde removal low wind loss filter screen according to claim 1, characterized in that: The buffer mechanism (2) comprises a plurality of U-shaped blocks (201), a plurality of U-shaped blocks (201) are arranged on the inner wall of the connecting plate (5), a rotating plate (202) is rotatably connected to the inner side of the U-shaped block (201), a U-shaped plate (203) is rotatably connected to the inner side of the rotating plate (202), a spring telescopic rod (204) is fixedly connected to the adjacent side of the U-shaped block (201), a spring (205) is fixedly connected to the front side of the filter screen (15) around the rear side, and the front filter screen (15) is fixedly connected with the rear filter screen (15) through the spring (205).

3. The formaldehyde removal low wind loss filter screen according to claim 2, characterized in that: The inner wall of the connecting plate (5) is provided with a sliding groove (16) on the upper and lower sides, and the outer side of the U-shaped block (201) is slidably connected with the corresponding sliding groove (16).

4. The formaldehyde removal low wind loss filter screen according to claim 1, characterized in that: The outer wall of the mounting frame (1) is fixedly connected with a positioning block (11) around, and the outer side of the positioning block (11) is provided with a positioning hole (12).

5. The formaldehyde removal low wind loss filter screen according to claim 1, wherein: The material of the filter screen (15) is honeycomb activated carbon.

6. The formaldehyde removal low wind loss filter screen according to claim 1, wherein: The top of the movable plate (6) is provided with a handle (13).

7. The formaldehyde removal low wind loss filter screen according to claim 6, characterized in that: The outer side of the handle (13) is fixedly connected with a sheath (14).

8. The formaldehyde removal low wind loss filter screen according to claim 7, characterized in that: The handle (13) is clamped with the movable plate (6).

Citation Information

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