Porous high-strength composite non-woven fabric

Abstract

The utility model belongs to the technical field of non-woven fabrics, and particularly relates to a porous high-strength composite non-woven fabric which comprises a non-woven fabric surface layer, a non-woven fabric base layer and a non-woven fabric interlayer, and the non-woven fabric surface layer and the non-woven fabric interlayer are integrally formed at the two ends of the non-woven fabric base layer; a filter cavity A is arranged between the non-woven fabric base layer and the non-woven fabric interlayer, and the filter cavity A of the non-woven fabric base layer and the non-woven fabric interlayer is filled with a non-woven fabric liner A. The surface of the non-woven fabric surface layer, the surface of the non-woven fabric base layer and the surface of the non-woven fabric interlayer are all provided with air holes, good air permeability is achieved, the non-woven fabric surface layer, the non-woven fabric base layer and the non-woven fabric interlayer are arranged in a three-section mode, a filtering cavity A is formed between the non-woven fabric base layer and the non-woven fabric interlayer, and a filtering cavity B is formed between the non-woven fabric surface layer and the non-woven fabric interlayer. Different layers of non-woven fabrics can be stacked for use according to filtering requirements, so that not only is the structural strength of the non-woven fabrics improved, but also the filtering and purifying effects can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of non-woven fabrics, in particular to a porous high-strength composite non-woven fabric. Background Art

[0002] After searching, a porous high-strength composite non-woven fabric with patent number CN217803736U can greatly improve its bearing upper limit by setting a spiral steel wire in the extension strip. The spiral structure has strong ductility, which can prevent the non-woven fabric from being pulled and damaged.

[0003] The above-mentioned high-strength composite non-woven fabric is stacked in multiple layers. During actual use, the filtering performance cannot be effectively adjusted according to the filtering needs, that is, the thickness of the non-woven fabric and the overall structural layer is not convenient to change, which is not conducive to filtering and purifying the fluid. Utility Model Content

[0004] (I) Purpose of the utility model

[0005] In order to solve the technical problems existing in the background technology, the utility model proposes a porous high-strength composite non-woven fabric, and the surfaces of the non-woven fabric surface layer, the non-woven fabric base layer and the non-woven fabric interlayer are all provided with air holes, which have good air permeability. The non-woven fabric surface layer, the non-woven fabric base layer and the non-woven fabric interlayer are arranged in three sections, and a filter cavity A is arranged between the non-woven fabric base layer and the non-woven fabric interlayer, and a filter cavity B is arranged between the non-woven fabric surface layer and the non-woven fabric interlayer. Different layers of non-woven fabrics can be stacked and used according to the needs of filtration, which not only improves the structural strength of the non-woven fabric, but also improves the filtration and purification effect.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the utility model provides a porous high-strength composite non-woven fabric, including a non-woven fabric surface layer, a non-woven fabric base layer and a non-woven fabric interlayer, wherein the non-woven fabric surface layer and the non-woven fabric interlayer are integrally formed at both ends of the non-woven fabric base layer;

[0008] A filter cavity A is provided between the non-woven fabric base layer and the non-woven fabric interlayer, and the filter cavity A of the non-woven fabric base layer and the non-woven fabric interlayer is filled with a non-woven fabric pad A; a filter cavity B is provided between the non-woven fabric surface layer and the non-woven fabric interlayer, and the filter cavity B of the non-woven fabric surface layer and the non-woven fabric interlayer is filled with a non-woven fabric pad B;

[0009] A traction platform is provided at the connection between the non-woven fabric surface layer and the non-woven fabric base layer and at the connection between the non-woven fabric base layer and the non-woven fabric interlayer.

[0010] Preferably, the inner surface of the non-woven fabric surface layer is integrally formed with anti-slip convex patterns A, and the inner surface of the non-woven fabric surface layer is sewn with Velcro A near the free end.

[0011] Preferably, an anti-slip rib B is integrally formed at the bottom end inside the non-woven fabric base layer, and a magic tape B is sewn inside the non-woven fabric base layer.

[0012] Preferably, a magic tape C is sewn on the outer wall of the non-woven fabric interlayer, and a magic tape D is sewn at a position close to the free end on the inner surface of the non-woven fabric interlayer.

[0013] Preferably, the traction table includes a sealing edge cloth tape and a reinforcing boss, and the reinforcing boss is fixedly connected to the surface of the sealing edge cloth tape.

[0014] Preferably, the sealing edge cloth tape extends to both end faces of the non-woven fabric base layer.

[0015] The above technical solution of the present utility model has the following beneficial technical effects:

[0016] The non-woven fabric surface layer, the non-woven fabric base layer and the non-woven fabric interlayer of the present utility model are all provided with air holes, having good air permeability. The non-woven fabric surface layer, the non-woven fabric base layer and the non-woven fabric interlayer are arranged in a three-section manner, and a filter cavity A is arranged between the non-woven fabric base layer and the non-woven fabric interlayer, and a filter cavity B is arranged between the non-woven fabric surface layer and the non-woven fabric interlayer. It is possible to stack and use non-woven fabrics with different numbers of layers according to the needs of filtration, which not only improves the structural strength of the non-woven fabric, but also improves the filtration and purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic three-dimensional structure diagram of the whole of the present utility model;

[0018] Figure 2 is a schematic cross-sectional structure diagram of the whole of the present utility model;

[0019] Figure 3 is a schematic cross-sectional structure diagram of the non-woven fabric surface layer, the non-woven fabric base layer and the non-woven fabric interlayer of the present utility model.

[0020] Reference Numerals:

[0021] 1. Non-woven fabric surface layer; 101. Anti-slip rib A; 102. Magic tape A; 2. Non-woven fabric base layer; 201. Anti-slip rib B; 202. Magic tape B; 3. Non-woven fabric interlayer; 301. Magic tape C; 302. Magic tape D; 4. Non-woven fabric pad A; 5. Non-woven fabric pad B; 6. Sealing edge cloth tape; 7. Reinforcing boss. DETAILED DESCRIPTION OF THE INVENTION

[0022] To make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present utility model. In addition, in the following descriptions, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present utility model.

[0023] Embodiment 1

[0024] As Figure 1 、 Figure 2 and Figure 3 shown, a porous high-strength composite non-woven fabric proposed by the present utility model includes a non-woven fabric surface layer 1, a non-woven fabric base layer 2 and a non-woven fabric interlayer 3. The two ends of the non-woven fabric base layer 2 are integrally formed with the non-woven fabric surface layer 1 and the non-woven fabric interlayer 3;

[0025] A filter cavity A is provided between the non-woven fabric base layer 2 and the non-woven fabric interlayer 3. The filter cavity A inside the non-woven fabric base layer 2 and the non-woven fabric interlayer 3 is filled with a non-woven fabric liner A4. A filter cavity B is provided between the non-woven fabric surface layer 1 and the non-woven fabric interlayer 3. The filter cavity B inside the non-woven fabric surface layer 1 and the non-woven fabric interlayer 3 is filled with a non-woven fabric liner B5;

[0026] A traction table is provided at the connection between the non-woven fabric surface layer 1 and the non-woven fabric base layer 2 and at the connection between the non-woven fabric base layer 2 and the non-woven fabric interlayer 3.

[0027] It should be noted that breathable holes are provided on the surfaces of the non-woven fabric surface layer 1, the non-woven fabric base layer 2 and the non-woven fabric interlayer 3, which have good air permeability. The non-woven fabric surface layer 1, the non-woven fabric base layer 2 and the non-woven fabric interlayer 3 are arranged in a three-section manner. A filter cavity A is provided between the non-woven fabric base layer 2 and the non-woven fabric interlayer 3, and a filter cavity B is provided between the non-woven fabric surface layer 1 and the non-woven fabric interlayer 3. Different layers of non-woven fabrics can be stacked and used according to the filtering needs, which not only improves the structural strength of the non-woven fabric but also enhances the filtering and purification effect.

[0028] In this embodiment, as Figure 1 and Figure 2 shown, an anti-slip convex pattern A101 is integrally formed on the inner surface of the non-woven fabric surface layer 1. A magic tape A102 is sewn at a position near the free end on the inner surface of the non-woven fabric surface layer 1. An anti-slip convex pattern B201 is integrally formed at the bottom inside the non-woven fabric base layer 2. A magic tape B202 is sewn inside the non-woven fabric base layer 2. A magic tape C301 is sewn on the outer wall of the non-woven fabric interlayer 3. A magic tape D302 is sewn at a position near the free end on the inner surface of the non-woven fabric interlayer 3.

[0029] It should be noted that when the non-woven fabric liner B5 needs to be filled inside the filter cavity B between the non-woven fabric surface layer 1 and the non-woven fabric interlayer 3, place the non-woven fabric liner B5 on the outer surface of the non-woven fabric interlayer 3, rotate and press down the non-woven fabric surface layer 1 relative to the non-woven fabric base layer 2. The anti-slip protrusions A101 at the bottom of the non-woven fabric surface layer 1 come into contact with the non-woven fabric liner B5, and press down the magic tape A102 on the inner surface of the non-woven fabric surface layer 1 to bond and fix it with the magic tape C301 on the outer wall of the non-woven fabric interlayer 3. When the non-woven fabric liner A4 needs to be filled in the filter cavity A between the non-woven fabric base layer 2 and the non-woven fabric interlayer 3, place the non-woven fabric liner A4 at the position of the anti-slip protrusions B201 of the non-woven fabric base layer 2, and press down the magic tape D302 on the inner surface of the non-woven fabric interlayer 3 to bond it to the surface of the magic tape B202 inside the non-woven fabric base layer 2.

[0030] In this embodiment, as Figure 1 and Figure 2 shown, the traction table includes a sealing edge cloth tape 6 and a reinforcing boss 7. The reinforcing boss 7 is fixedly connected to the surface of the sealing edge cloth tape 6, and the sealing edge cloth tape 6 extends to both end faces of the non-woven fabric base layer 2.

[0031] It should be noted that when the non-woven fabric components need to be installed and fixed, use the clamping member to press on the sealing edge cloth tape 6. The reinforcing boss 7 reinforces the sealing edge cloth tape 6 to improve the structural strength and tear resistance.

[0032] Specific usage method: When the non-woven fabric liner B5 needs to be filled inside the filter cavity B between the non-woven fabric surface layer 1 and the non-woven fabric interlayer 3, place the non-woven fabric liner B5 on the outer surface of the non-woven fabric interlayer 3, rotate and press down the non-woven fabric surface layer 1 relative to the non-woven fabric base layer 2. The anti-slip protrusions A101 at the bottom of the non-woven fabric surface layer 1 come into contact with the non-woven fabric liner B5, and press down the magic tape A102 on the inner surface of the non-woven fabric surface layer 1 to bond and fix it with the magic tape C301 on the outer wall of the non-woven fabric interlayer 3. When the non-woven fabric liner A4 needs to be filled in the filter cavity A between the non-woven fabric base layer 2 and the non-woven fabric interlayer 3, place the non-woven fabric liner A4 at the position of the anti-slip protrusions B201 of the non-woven fabric base layer 2, and press down the magic tape D302 on the inner surface of the non-woven fabric interlayer 3 to bond it to the surface of the magic tape B202 inside the non-woven fabric base layer 2.

[0033] It should be understood that the above specific embodiments of the present invention are only used for exemplary illustration or explanation of the principle of the present invention, and do not constitute a limitation to the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundary of the appended claims, or equivalent forms of such scope and boundary.

Claims

1. A porous high-strength composite nonwoven fabric, characterized in that: It comprises a non-woven fabric surface layer (1), a non-woven fabric base layer (2) and a non-woven fabric interlayer (3), wherein the non-woven fabric surface layer (1) and the non-woven fabric interlayer (3) are integrally formed at both ends of the non-woven fabric base layer (2); A filter cavity A is provided between the non-woven fabric base layer (2) and the non-woven fabric interlayer (3), and the filter cavity A of the non-woven fabric base layer (2) and the non-woven fabric interlayer (3) is filled with a non-woven fabric pad A (4). A filter cavity B is provided between the non-woven fabric surface layer (1) and the non-woven fabric interlayer (3), and the filter cavity B of the non-woven fabric surface layer (1) and the non-woven fabric interlayer (3) is filled with a non-woven fabric pad B (5). A traction platform is provided at the connection point between the non-woven fabric surface layer (1) and the non-woven fabric base layer (2) and at the connection point between the non-woven fabric base layer (2) and the non-woven fabric interlayer (3).

2. The porous high-strength composite nonwoven fabric according to claim 1, characterized in that: The inner surface of the non-woven fabric surface layer (1) is integrally formed with anti-slip convex patterns A (101), and the inner surface of the non-woven fabric surface layer (1) is sewn with Velcro A (102) near the free end.

3. The porous high-strength composite nonwoven fabric according to claim 1, characterized in that: The bottom end of the non-woven fabric base layer (2) is integrally formed with anti-slip convex patterns B (201), and the inside of the non-woven fabric base layer (2) is sewn with Velcro B (202).

4. The porous high-strength composite nonwoven fabric according to claim 1, characterized in that: The outer wall of the non-woven fabric interlayer (3) is sewn with a Velcro C (301), and the inner surface of the non-woven fabric interlayer (3) is sewn with a Velcro D (302) near the free end.

5. The porous high-strength composite nonwoven fabric according to claim 1, characterized in that: The traction platform comprises an edge-sealing cloth belt (6) and a reinforcing boss (7), and the reinforcing boss (7) is fixedly connected to the surface of the edge-sealing cloth belt (6).

6. The porous high-strength composite nonwoven fabric according to claim 5, characterized in that: The edge-sealing fabric tape (6) extends to both end surfaces of the non-woven fabric base layer (2).

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