Non-woven fabric filter material with formaldehyde adsorption and cleaning functions

Abstract

The utility model discloses a non-woven fabric filter material with formaldehyde adsorption and cleaning functions, which relates to the technical field of formaldehyde purification and comprises an upper coating layer and a lower coating layer, an inner coating layer and an activated carbon layer are arranged inside the upper coating layer and the lower coating layer, and air holes are arranged on the upper coating layer, the lower coating layer and the inner coating layer. Positioning protruding points are formed on the inner walls of the upper wrapping layer and the lower wrapping layer, and positioning grooves are formed in the outer wall of the inner wrapping layer. According to the non-woven fabric filter material with the formaldehyde adsorption and cleaning functions, through double coating of the upper coating layer, the lower coating layer and the inner coating layer, the activated carbon layer can be sealed and stored properly; the air permeability of the whole filter material is ensured through the arrangement of the air holes in the upper coating layer, the lower coating layer and the inner coating layer and the corresponding positioning clamping connection of the positioning convex points and the positioning grooves, so that the internal activated carbon layer can be in full contact with formaldehyde in air and is used for adsorbing and cleaning, the adsorption and purification efficiency of the formaldehyde is improved, and the service life of the filter material is prolonged. The utilization rate of the activated carbon particles is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to formaldehyde purification technical field, specifically is a kind of non-woven fabric filter material with formaldehyde adsorption cleaning function. BACKGROUND

[0002] Non-woven fabric refers to the chemical fiber as basic raw material, it is similar to the product manufacturing of cloth by chemical (or hot melt) bonding, it is not weaved, so it is also called non-woven fabric, non-woven fabric is the earliest application filter material, it is the typical filter material of plate type, bag type filter, compared with other same grade filter material, it has the advantages of stable quality, larger dust capacity, strong moisture resistance, long service life, economic durability etc., therefore, it is often used as the adsorption purification filter material of formaldehyde and other common harmful gases;

[0003] In prior art, filter material mainly includes a plurality of composite layers stacked and bonded, after a period of use, it needs to be replaced as a whole, and for adsorption material, it is mainly porous particles, which can be reused after simple regeneration, and the integral replacement causes a certain degree of waste, and increases the use cost for users;

[0004] In order to overcome the above defects, the prior art (Chinese patent with publication number CN221230262U, application date 2023-09-26) a formaldehyde removal air purification filter material of air purifier, the magic tape wool surface and the magic tape hook surface are adhered to seal the filter material in the adsorption shell, the material for removing odor in the adsorption shell can be replaced separately, which reduces waste and is convenient for users to maintain, and the disassembly and assembly are convenient and efficient;By pressing the thrust plate into the main shell, the protrusion is clamped into the thrust groove to limit the loosening of the thrust plate, the thrust plate presses the filter layer and the adsorption shell in the main shell, realizes the disassembly, cleaning and replacement of the filter layer and the adsorption shell, realizes the unitized fine replacement and maintenance, reduces waste, and is convenient and efficient for maintenance;

[0005] The above technology can complete the partial replacement of filter material, but in actual work process, the adsorption shell and the end cap are sealed to the filter material by magic tape, and the structure has poor air permeability, the filter material in the adsorption shell cannot fully contact with formaldehyde in the air, which leads to low efficiency of formaldehyde adsorption and purification, and the filter material cannot be fully utilized;

[0006] In view of the above problems, it is necessary to make innovative design on the basis of the original equipment, therefore we put forward a kind of non-woven fabric filter material with formaldehyde adsorption cleaning function can well solve the above problems. UTILITY MODEL CONTENTS

[0007] The utility model discloses a purpose at providing a kind of non-woven fabric filter material with formaldehyde adsorption cleaning function, to solve the problem that the above background technology is proposed by the adhesion of magic tape makes that adsorption shell and end cap seal to filter material, such structure is not good in breathability, the filter material in adsorption shell cannot be fully contacted with formaldehyde in air, in turn lead to the efficiency of formaldehyde adsorption purification is lower, and filter material cannot be fully utilized.

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of non-woven fabric filter material with formaldehyde adsorption cleaning function, including upper cladding layer and lower cladding layer;

[0009] The edge of the upper cladding layer and the lower cladding layer is adhered and crimped, the inside of the upper cladding layer and the lower cladding layer is provided with an inner wrapping layer, the inside of the inner wrapping layer is provided with an activated carbon layer, by the double cladding of the upper cladding layer and the lower cladding layer, the inner wrapping layer, the activated carbon particles in the activated carbon layer can be properly stored;

[0010] The upper cladding layer, the lower cladding layer and the inner wrapping layer are provided with gas-permeable holes that are in communication, the gas-permeable holes are uniformly matrix distributed, the inner wall top of the upper cladding layer and the inner wall bottom of the lower cladding layer are formed with positioning convex points, the top and bottom outer walls of the inner wrapping layer are provided with positioning grooves, the positioning convex points and the positioning grooves are one-to-one matrix distributed, and the gas-permeable holes, the positioning convex points and the positioning grooves are distributed in a staggered manner, by the provision of the gas-permeable holes on the upper cladding layer, the lower cladding layer and the inner wrapping layer, and the positioning of the positioning convex points and the positioning grooves, the inner wrapping layer is not easy to relatively displace inside the upper cladding layer and the lower cladding layer, so that the gas-permeable holes on the upper cladding layer, the lower cladding layer and the inner wrapping layer are always in communication, which ensures the breathability of the entire filter material, so that the activated carbon layer inside can fully contact with formaldehyde in air and be adsorbed and cleaned, which not only improves the adsorption and purification efficiency of formaldehyde, but also improves the utilization rate of activated carbon particles in the activated carbon layer.

[0011] Preferably, the upper cladding layer, the lower cladding layer and the inner wrapping layer are all made of non-woven fabric material, which not only ensures breathability, but also makes the entire filter material light, durable and low in cost.

[0012] Preferably, the upper and lower cover layers are provided with protruding edges around the periphery, and the edges are tightly pressed together, the bottom of the edge on the upper cover layer is provided with a pressing convex strip, the top of the edge on the lower cover layer is provided with a pressing concave groove, the size and distribution of the pressing convex strip and the pressing concave groove are matched, the tightness and stability of the connection between the upper and lower cover layers can be effectively ensured by the setting of the edges, and the fastening degree of the pressing between the two edges can be effectively improved by the setting of the pressing convex strip and the pressing concave groove.

[0013] Preferably, the inside of the upper and lower cover layers is provided with a stirring assembly, the stirring assembly includes two mounting sleeves fixedly connected to the top and inside of the upper and lower cover layers, the inside of the two mounting sleeves is rotatably connected with a rotating rod, the outer wall of the rotating rod is fixedly connected with a plurality of stirring bars distributed at equal intervals on the inside of the activated carbon layer, the rotating rod is rotated along the mounting sleeve to drive the plurality of stirring bars to rotate synchronously, so that the stirring bars can stir the activated carbon particles inside the activated carbon layer, and the activated carbon inside the activated carbon layer is stirred to the outside to maximize the utilization rate of activated carbon.

[0014] Preferably, the top and bottom ends of the mounting sleeve penetrate into the outside of the upper cover layer and the inside of the lower cover layer, and the end face edge is formed with a circular table-shaped tight buckle, which can tightly press the upper and lower cover layers around the mounting sleeve together to enhance the stability of the connection between the upper and lower cover layers, and also prevent the activated carbon particles inside the activated carbon layer from falling out of the gap between the edges of the mounting sleeve.

[0015] Preferably, the top and bottom ends of the rotating rod are fixedly connected with torsion blocks, which can limit the rotating rod inside the two mounting sleeves to prevent disengagement, and facilitate the user to pinch the torsion blocks to rotate the rotating rod axially.

[0016] Preferably, the top of the upper torsion block is provided with a limiting groove, and the bottom of the lower torsion block is formed with a limiting convex block, the structure size of the limiting groove and the limiting convex block are matched, when a plurality of filter materials are stacked for use, the adjacent two limiting grooves and limiting convex blocks can be connected in an upper and lower manner, so that the stirring of the activated carbon particles inside the entire stack of activated carbon layers can be realized by rotating the uppermost torsion block, thereby enhancing the convenience of using the device.

[0017] Compared with the prior art, the non-woven fabric filter material with formaldehyde adsorption and cleaning function has the following beneficial effects: the active carbon layer is properly stored through the double covering of the upper and lower covering layers and the inner wrapping layer; the air permeability of the entire filter material is ensured through the opening of the air permeable holes on the upper and lower covering layers and the inner wrapping layer and the positioning clamping of the positioning convex points and the positioning grooves, so that the internal active carbon layer can fully contact the formaldehyde in the air and be adsorbed and cleaned, which not only improves the adsorption and purification efficiency of formaldehyde, but also improves the utilization rate of the active carbon particles.

[0018] (1) The active carbon particles in the active carbon layer are properly stored through the double covering of the upper and lower covering layers and the inner wrapping layer.

[0019] (2) The inner wrapping layer is not easily displaced in the two covering layers through the opening of the air permeable holes on the upper and lower covering layers and the inner wrapping layer and the positioning clamping of the positioning convex points and the positioning grooves, so that the air permeable holes on the upper and lower covering layers and the inner wrapping layer are always in communication, which ensures the air permeability of the entire filter material, so that the internal active carbon layer can fully contact the formaldehyde in the air and be adsorbed and cleaned, which not only improves the adsorption and purification efficiency of formaldehyde, but also improves the utilization rate of the active carbon particles in the active carbon layer.

[0020] (3) The tightness and stability of the connection between the edges of the upper and lower covering layers are effectively ensured through the setting of the pressing edges, and the fastening degree of the pressing and fixing between the two pressing edges is effectively improved through the setting of the pressing convex strips and the pressing grooves.

[0021] (4) The active carbon particles in the active carbon layer are stirred through the setting of the stirring assembly, so that the active carbon particles that are difficult to contact air inside are stirred to the outside, so as to maximize the utilization rate of the active carbon.

[0022] (5) When a plurality of filter materials are stacked for use, the adjacent two limiting grooves and limiting blocks can be clamped up and down, so that the active carbon particles in the entire stack of active carbon layers can be stirred only by rotating the uppermost torsion block, thereby enhancing the convenience of use of the device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 3 It is the whole explosion structure schematic view of the utility model;

[0026] Figure 4 It is the structure schematic view of the upper cladding layer of the utility model;

[0027] Figure 5 It is the cut structure schematic view of the cladding layer and the wrapping layer of the utility model;

[0028] Figure 6 It is the connecting structure schematic view of the mounting block and the rotating rod of the utility model.

[0029] In the drawing: 1, upper cladding layer;2, lower cladding layer;3, inner wrapping layer;4, activated carbon layer;5, air hole;6, positioning convex point;7, positioning recess;8, edge;9, pressing convex strip;10, pressing recess;11, mounting sleeve;12, rotating rod;13, stirring strip;14, torsion block;15, limiting recess;16, limiting convex block. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part 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 the utility model.

[0031] Embodiment one: please refer to Figures 1-6 The utility model provides the following technical scheme: a non - woven fabric filter material with formaldehyde adsorption cleaning function, including upper cladding layer 1 and lower cladding layer 2;

[0032] The edge of upper cladding layer 1 and lower cladding layer 2 is adhered and pressed, and specifically, the four edges of upper cladding layer 1 and lower cladding layer 2 are formed with protruding edges 8, and the edges 8 are tightly pressed, the bottom of the edge 8 on the upper cladding layer 1 is formed with a pressing convex strip 9, and the top of the edge 8 on the lower cladding layer 2 is provided with a pressing recess 10, and the size and distribution position of the pressing convex strip 9 and the pressing recess 10 are matched, the tightness and stability of the connection between the edges of the upper cladding layer 1 and the lower cladding layer 2 can be effectively ensured by the setting of the edge 8, and the pressing convex strip 9 and the pressing recess 10 can not only realize automatic positioning when the edges 8 on the upper cladding layer 1 and the lower cladding layer 2 are pressed, but also can effectively improve the fastening degree of the pressing and fixing between the two edges 8;

[0033] The inner part of the upper cover layer 1 and the lower cover layer 2 is provided with an inner wrapping layer 3, and the inner part of the inner wrapping layer 3 is provided with an activated carbon layer 4. Through the double covering of the upper cover layer 1 and the lower cover layer 2 and the inner wrapping layer 3, the activated carbon particles in the activated carbon layer 4 can be properly stored. The upper cover layer 1, the lower cover layer 2 and the inner wrapping layer 3 are all made of non-woven fabric material, which not only ensures the air permeability, but also makes the entire filter material light, durable and low in cost.

[0034] The upper cover layer 1, the lower cover layer 2 and the inner wrapping layer 3 are provided with air permeable holes 5 that are in communication with each other and are uniformly and matrix-distributed. The inner wall top of the upper cover layer 1 and the inner wall bottom of the lower cover layer 2 are formed with positioning protrusions 6. The top and bottom outer walls of the inner wrapping layer 3 are provided with positioning recesses 7. The positioning protrusions 6 and the positioning recesses 7 are one-to-one and matrix-distributed, and the air permeable holes 5 are distributed in a staggered manner with the positioning protrusions 6 and the positioning recesses 7. Through the provision of the air permeable holes 5 on the upper cover layer 1, the lower cover layer 2 and the inner wrapping layer 3, and the corresponding positioning and clamping of the positioning protrusions 6 and the positioning recesses 7, the inner wrapping layer 3 is not easy to relatively displace in the upper cover layer 1 and the lower cover layer 2, so that the air permeable holes 5 on the upper cover layer 1, the lower cover layer 2 and the inner wrapping layer 3 are always in communication. This ensures the air permeability of the entire filter material, so that the inner activated carbon layer 4 can fully contact the formaldehyde in the air and clean it. This not only improves the adsorption and purification efficiency of formaldehyde, but also improves the utilization rate of activated carbon particles in the activated carbon layer 4.

[0035] Example two:

[0036] On the basis of embodiment one, the inside middle of the upper cladding layer 1 and the lower cladding layer 2 is provided with a stirring assembly, the stirring assembly comprises two mounting sleeves 11 fixedly connected to the top and the inside middle of the upper cladding layer 1 and the lower cladding layer 2, the top end and the bottom end of the mounting sleeve 11 are respectively penetrated to the outside of the upper cladding layer 1 and the inside of the lower cladding layer 2, and the end face edge is formed with a round table-shaped pressing buckle, such structure can firmly press the upper cladding layer 1 and the lower cladding layer 2 around the mounting sleeve 11 together, so as to enhance the stability of the connection of the upper cladding layer 1 and the lower cladding layer 2, and also prevent the active carbon particles in the active carbon layer 4 from falling out from the gap of the edge of the mounting sleeve 11, the inside of the two mounting sleeves 11 is rotatably connected with a rotating rod 12, the outer wall of the rotating rod 12 is fixedly connected with a plurality of stirring bars 13 distributed in a circle at equal intervals on the inside of the active carbon layer 4, and the top end and the bottom end of the rotating rod 12 are fixedly connected with torsion blocks 14, so that the rotating rod 12 can be limited to the inside of the two mounting sleeves 11, preventing disengagement, and the user can easily hold the torsion blocks 14 to rotate the rotating rod 12 axially, by rotating the torsion blocks 14, the rotating rod 12 is synchronously rotated along the inside of the mounting sleeve 11, driving the plurality of stirring bars 13 to synchronously rotate, so that the stirring bars 13 can stir the active carbon particles in the active carbon layer 4, so as to stir the active carbon particles on the inside to the outside, so as to maximize the utilization rate of the active carbon;

[0037] In addition, the top of the upper torsion block 14 is provided with a limiting groove 15, and the bottom of the lower torsion block 14 is formed with a limiting protrusion 16, the structure size of the limiting groove 15 and the limiting protrusion 16 is correspondingly matched, when a plurality of filter materials are stacked for use, the adjacent two limiting grooves 15 and limiting protrusions 16 can be up-down clamped, so that only the uppermost torsion block 14 needs to be rotated to realize the stirring of the active carbon particles in the inside of the whole stack of active carbon layers 4, thereby enhancing the convenience of the device.

[0038] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A non-woven filter material with formaldehyde adsorption and cleaning function, comprising an upper covering layer (1) and a lower covering layer (2); Its features are: The edges of the upper covering layer (1) and the lower covering layer (2) are bonded and pressed together. An inner covering layer (3) is provided inside the upper covering layer (1) and the lower covering layer (2). An activated carbon layer (4) is provided inside the inner covering layer (3). The upper covering layer (1), the lower covering layer (2), and the inner covering layer (3) are provided with through-holes (5), which are evenly distributed in a matrix. The top of the inner wall of the upper covering layer (1) and the bottom of the inner wall of the lower covering layer (2) are formed with positioning protrusions (6). The top and bottom outer walls of the inner covering layer (3) are provided with positioning grooves (7). The positioning protrusions (6) and the positioning grooves (7) are distributed in a matrix corresponding to each other, and the air holes (5) are staggered with the positioning protrusions (6) and the positioning grooves (7).

2. The nonwoven filter material with formaldehyde adsorption and cleaning function according to claim 1, characterized in that: The upper covering layer (1), the lower covering layer (2), and the inner covering layer (3) are all made of non-woven fabric.

3. The nonwoven filter material with formaldehyde adsorption and cleaning function according to claim 2, characterized in that: The upper covering layer (1) and the lower covering layer (2) have protruding pressing edges (8) formed around their perimeters, and the pressing edges (8) are tightly pressed together. The bottom of the pressing edge (8) on the upper covering layer (1) has a pressing protrusion (9), and the top of the pressing edge (8) on the lower covering layer (2) has a pressing groove (10). The size and distribution position of the pressing protrusion (9) and the pressing groove (10) are matched accordingly.

4. The nonwoven filter material with formaldehyde adsorption and cleaning function according to claim 1, characterized in that: A stirring assembly is provided in the middle of the interior of the upper coating layer (1) and the lower coating layer (2). The stirring assembly includes two mounting sleeves (11) fixedly connected to the top and the middle of the interior of the upper coating layer (1) and the lower coating layer (2). A rotating rod (12) is rotatably connected to the inner side of the two mounting sleeves (11). A number of stirring strips (13) are fixedly connected to the outer wall of the rotating rod (12) on the inner side of the activated carbon layer (4) in a circular and equidistant manner.

5. The nonwoven filter material with formaldehyde adsorption and cleaning function according to claim 4, characterized in that: The top and bottom of the mounting sleeve (11) extend through the outside of the upper covering layer (1) and the inside of the lower covering layer (2), respectively, and the edge of the end face is formed with a frustum-shaped fastening buckle.

6. The nonwoven filter material with formaldehyde adsorption and cleaning function according to claim 4, characterized in that: The top and bottom ends of the rotating rod (12) are both fixedly connected to torsion blocks (14).

7. The nonwoven filter material with formaldehyde adsorption and cleaning function according to claim 6, characterized in that: A limiting groove (15) is formed on the top of the upper torsion block (14), and a limiting protrusion (16) is formed on the bottom of the lower torsion block (14). The structural dimensions of the limiting groove (15) and the limiting protrusion (16) are matched.

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