Sanitary towel with three liquid absorption layers
The three-layer sanitary napkin design, including the surface layer, the diversion non-woven fabric layer and the absorption layer, combined with the back adhesive strip and the leak-proof partition, solves the problems of the existing sanitary napkins such as large thickness and poor fit, achieves lightweight and leak-proof effects, and improves the comfort and hygiene of use.
Patent Information
- Application Number
- CN202422376395.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-09-29
AI Technical Summary
Most existing sanitary napkins have a two-layer absorption layer structure, which increases the thickness, affects the fit with the human body and wearing comfort, and also has a high manufacturing cost.
The liquid-absorbing sanitary napkin adopts a three-layer structure, including a surface layer, a diversion non-woven fabric layer and an absorption layer. Combined with the back adhesive strip and leak-proof partition design, it is optimized into a single-layer absorption layer, with additional breathable holes and diversion strips to improve the fit and leak-proof performance.
It achieves lightweighting of sanitary napkins, improves fit and wearing comfort, reduces stuffiness, reduces material costs, effectively prevents side leakage and bacterial growth, and improves freshness and hygiene during use.
Smart Images
Figure CN223404037U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sanitary napkins, in particular to a sanitary napkin with three liquid-absorbing layers. Background Art
[0002] Sanitary napkins are a type of sanitary product used by women during menstruation. The main materials are cotton, non-woven fabrics, pulp or polymers and polymer composite paper formed by composites of the above materials. The side design is mainly used to prevent side leakage. From the inside to the outside, it is divided into three layers: the surface layer, the absorbent core, and the bottom layer. When using, first tear off the paper tape in the middle, stick the adhesive side to the middle of the underwear, and stick the two "ears" to the narrowest part of the crotch.
[0003] Currently, sanitary napkins on the market still have some shortcomings during use. Existing sanitary napkins mainly absorb menstrual blood through two layers of absorption layers. The two layers of liquid absorption layers not only increase the overall thickness of the sanitary napkin, but also easily cause the sanitary napkin to fit poorly with the human body, affecting wearing comfort, while also increasing the overall manufacturing cost.
[0004] Therefore, it is necessary to provide a three-layer liquid-absorbing layer sanitary napkin to solve the above technical problems. Utility Model Content
[0005] The purpose of the utility model is to provide a three-layer liquid-absorbing sanitary napkin to solve the problems of poor fit of existing sanitary napkins to the user's skin, easy reverse osmosis and side leakage, and high manufacturing cost in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides a solution to the above-mentioned technical problem as follows: a three-layer liquid-absorbent sanitary napkin, comprising a sanitary napkin body, a liquid-absorbent core arranged at the center of the sanitary napkin body, the liquid-absorbent core being made by laminating a surface layer, a flow-guiding non-woven fabric layer, an absorbent layer and a bottom film, the flow-guiding non-woven fabric layer and the absorbent layer being arranged between the surface layer and the bottom film, a sanitary napkin body being arranged on one side, two symmetrically distributed side wings being arranged on one side of the sanitary napkin body, two symmetrically distributed back adhesive strips being arranged on one side of the sanitary napkin body, and two symmetrically distributed side wing bottom adhesives being arranged on the side walls of one side of the side wings.
[0007] As a further solution of the present invention, two symmetrically distributed leak-proof edges are provided on one side of the sanitary napkin body, and the leak-proof edges are fixed to the outer surface of the surface layer.
[0008] As a further solution of the present invention, a plurality of groups of ventilation holes are provided on one side of the sanitary napkin body, each group of ventilation holes is distributed in an arc shape, and the side wings and the sanitary napkin body are arranged in a chamfered arc shape.
[0009] As a further solution of the present invention, two equally distributed guide strips are provided on one side of the sanitary napkin body, and the guide strips are located on one side of the absorbent core. The sanitary napkin body is provided with multiple symmetrically distributed antibacterial strips, and the antibacterial strips are located on one side of the guide strip.
[0010] As a further solution of the present invention, the surface of the absorbent core is arranged in a convex arc shape, and a plurality of permeation channels are arranged on one side of the absorbent core.
[0011] Compared with the prior art, the beneficial effects of the present invention are:
[0012] 1. The present invention absorbs through a three-layer structure combination of a surface layer, a guide non-woven fabric layer and an absorbent layer. The absorbent layer used in sanitary napkins to absorb menstrual blood is a relatively mature existing technology in the prior art and will not be described in detail in this application. By streamlining the structure, the original double-layer absorbent layer is optimized into a single layer, which achieves lightweight product without sacrificing its core function. This change not only reduces the overall thickness of the product, improves the comfort and fit of wearing, and reduces the pressure on the skin, but also promotes air circulation, effectively reduces the feeling of stuffiness, and improves the freshness during use, while saving material costs, which is in line with modern women's pursuit of high-quality life and support for sustainable development.
[0013] 2. The shape of the liquid-absorbent core of the present invention can better fit the private parts of the user, thereby ensuring more sufficient absorption of menstrual blood and preventing side leakage caused by insufficient menstrual blood absorption during the menstrual period. It provides stronger protection for the user during the menstrual period, and cooperates with the setting of the penetration channel to allow the menstrual blood to smoothly penetrate into the liquid-absorbent core and the sanitary napkin body for absorption. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The present invention is further described below with reference to the accompanying drawings and embodiments:
[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the liquid-absorbing core of the utility model;
[0017] Figure 3 This is a schematic diagram of the partial structure of the adhesive strip of the utility model.
[0018] In the accompanying drawings, the components represented by the reference numerals are as follows:
[0019] 1. Sanitary napkin body; 2. Liquid-absorbing core; 21. Surface layer; 22. Diversion non-woven fabric layer; 23. Absorbent layer; 24. Bottom film; 4. Side flaps; 5. Back adhesive strips; 6. Side flap bottom adhesive; 7. Leak-proof edge; 8. Breathable holes; 9. Diversion strips; 10. Antibacterial strips; 11. Penetration channels. DETAILED DESCRIPTION
[0020] The present invention will be further described below with reference to the embodiments.
[0021] See also Figure 1-3 The utility model provides a three-layer liquid-absorbent sanitary napkin, comprising a sanitary napkin body 1, a liquid-absorbent core 2 is arranged at the center of the sanitary napkin body 1, the liquid-absorbent core 2 is made by pressing a surface layer 21, a guide non-woven fabric layer 22, an absorbent layer 23 and a bottom film 24, the guide non-woven fabric layer 22 and the absorbent layer 23 are arranged between the surface layer 21 and the bottom film 24, a sanitary napkin body 1 is provided on one side, two symmetrically distributed side wings 4 are arranged on one side of the sanitary napkin body 1, two symmetrically distributed back adhesive strips 5 are arranged on one side of the sanitary napkin body 1, and two symmetrically distributed side wing bottom adhesives 6 are arranged on one side wall of one side of the side wing 4, the sanitary napkin body 1 is reduced from the original two layers of absorbent layers and the bottom film to the surface layer 21, the guide non-woven fabric layer 22, an absorbent layer 23 and the bottom film 24, and is changed to a single liquid-absorbent layer, and menstrual blood is discharged by the three layers of the surface layer 21, the guide non-woven fabric layer 22 and the absorbent layer 23 The structural combination is used for absorption. The absorption layer on the sanitary napkin for absorbing menstrual blood is a relatively mature existing technology in the prior art and will not be described in detail in this application. By streamlining the structure, the original double-layer absorption layer is optimized to a single layer, which achieves lightweight product without sacrificing its core function. This change not only reduces the overall thickness of the product, improves the comfort and fit of wearing, reduces the pressure on the skin, but also promotes air circulation, effectively reduces the stuffiness, and improves the freshness during use. In addition, reducing one layer of liquid-absorbing layer also means saving material costs, reflecting the dual considerations of environmental protection and economy, and is in line with modern women's pursuit of high-quality life and support for sustainable development. The back adhesive strip 5 is set at both sides of the bottom of the sanitary napkin, so that the sanitary napkin and underwear fit more closely, thereby preventing the sanitary napkin from being misplaced and causing side leakage.
[0022] Further as Figure 1 As shown in the figure, it is worth mentioning that two symmetrically distributed leak-proof edges 7 are provided on one side of the sanitary napkin body 1, and the leak-proof edges 7 are fixed on the outer surface of the surface layer 21; through the setting of the leak-proof edges 7, its main function is to effectively prevent side leakage from occurring, and make the sanitary napkin body 1 fit better and more firmly to the user's skin, which can prevent the sanitary napkin from wrinkling and effectively prevent deformation and displacement.
[0023] Further as Figure 1As shown, it is worth mentioning that a plurality of groups of air holes 8 are provided on one side of the sanitary napkin body 1, and each group of air holes 8 is distributed in an arc shape, and the side wings 4 and the sanitary napkin body 1 are arranged in a chamfered arc shape. Through the arrangement of the air holes 8, the air permeability of the sanitary napkin body 1 can be greatly improved, thereby reducing the stuffiness caused by poor air permeability when wearing a sanitary napkin during menstruation, and effectively suppressing itching and other problems.
[0024] Further as Figure 1 As shown, it is worth mentioning that two equidistantly distributed guide strips 9 are provided on one side of the sanitary napkin body 1, and the guide strips 9 are located on one side of the absorbent core 2. A plurality of symmetrically distributed antibacterial strips 10 are provided on the sanitary napkin body 1, and the antibacterial strips 10 are located on one side of the guide strip 9; through the setting of the guide strips 9, the menstrual blood can be effectively channeled to other positions of the sanitary napkin body 1, so that the menstrual blood can be absorbed more thoroughly and fully, thereby preventing the menstrual blood absorbed at the sanitary napkin body 1 from stagnating at a single position and affecting the comfort of the wearer. In combination with the setting of the antibacterial strips 10, the growth of bacteria can be effectively inhibited, which plays an effective role in menstrual care and effectively solves the problems of odor, itching, etc. caused by the growth of bacteria due to the easy growth of bacteria in menstrual blood during women's menstrual period. It can effectively inhibit the growth of bacteria, alleviate the problems of odor and itching, and is also helpful in preventing gynecological diseases.
[0025] Further as Figure 1 As shown, it is worth mentioning that the surface of the absorbent core 2 is arranged in a convex arc shape, and a plurality of penetration channels 11 are arranged on one side of the absorbent core 2. Through the shape setting of the absorbent core 2, it can fit better with the user's private parts, thereby ensuring more sufficient absorption of menstrual blood, and preventing the situation of insufficient menstrual blood reception and side leakage during the menstrual period of women. For users, it has stronger protection during menstruation, and cooperates with the setting of the penetration channel 11, so that menstrual blood can smoothly penetrate into the absorbent core 2 and the sanitary napkin body 1 for absorption.
[0026] In summary: the sanitary napkin body 1 is reduced from the original two-layer absorption layer and the bottom film to a surface layer 21, a guide non-woven fabric layer 22, an absorption layer 23 and a bottom film 24, and is changed to a single liquid-absorbing layer. Menstrual blood is absorbed by the three-layer structure combination of the surface layer 21, the guide non-woven fabric layer 22, and the absorption layer 23. By streamlining the structure, the original double-layer absorption layer is optimized into a single layer, which achieves lightweighting of the product without sacrificing its core function. This change not only reduces the overall thickness of the product, improves the comfort and fit of wearing, reduces the pressure on the skin, but also promotes air circulation, effectively reduces the feeling of stuffiness, and improves the freshness during use. In addition, reducing a liquid-absorbing layer also means saving material costs, reflecting the dual considerations of environmental protection and economy, and conforming to modern women's pursuit of high-quality life and support for sustainable development; by arranging the back adhesive strips 5 on both sides of the bottom of the sanitary napkin, the sanitary napkin and underwear fit more closely, thereby preventing the sanitary napkin from being misplaced and causing side leakage, and by arranging the leak-proof partition 7, its main function is to effectively prevent side leakage, and make the sanitary napkin body 1 fit better and more firmly to the user's skin, which can play a role The sanitary napkin is wrinkle-proof and effectively prevents deformation and displacement. The setting of the air holes 8 can greatly improve the air permeability of the sanitary napkin body 1, thereby reducing the stuffiness caused by poor air permeability when wearing the sanitary napkin during menstruation, effectively suppressing itching and other problems, and through the setting of the guide strips 9, the menstrual blood can be effectively guided to other positions of the sanitary napkin body 1, so that the absorption of the menstrual blood is more thorough and sufficient, thereby preventing the menstrual blood absorbed by the sanitary napkin body 1 from stagnating in a single position and affecting the comfort of the wearer. Combined with the setting of the antibacterial strips 10, it can effectively inhibit the growth of bacteria, play an effective role in nursing care during menstruation, and effectively solve the problems of odor, itching, etc. caused by the growth of bacteria due to the easy breeding of bacteria in menstrual blood during women's menstrual period, and can effectively inhibit the growth of bacteria.
Claims
1. A three-layer liquid-absorbing sanitary napkin, comprising a sanitary napkin body (1), characterized in that: A liquid-absorbing core (2) is provided at the center of the sanitary napkin body (1), and the liquid-absorbing core (2) is made by laminating a surface layer (21), a flow-guiding non-woven fabric layer (22), an absorption layer (23) and a bottom film (24), and the flow-guiding non-woven fabric layer (22) and the absorption layer (23) are provided between the surface layer (21) and the bottom film (24). A sanitary napkin body (1) is provided on one side of the sanitary napkin body (1), and two symmetrically distributed side wings (4) are provided on one side of the sanitary napkin body (1), and two symmetrically distributed back adhesive strips (5) are provided on one side of the sanitary napkin body (1), and two symmetrically distributed side wing bottom adhesives (6) are provided on the side wall of one side of the side wing (4).
2. A three-layer liquid-absorbent sanitary napkin according to claim 1, characterized in that: Two symmetrically distributed leak-proof edges (7) are provided on one side of the sanitary napkin body (1), and the leak-proof edges (7) are fixed on the outer surface of the surface layer (21).
3. A three-layer liquid-absorbent sanitary napkin according to claim 2, characterized in that: A plurality of groups of ventilation holes (8) are provided on one side of the sanitary napkin body (1), and each group of ventilation holes (8) is distributed in an arc shape. The side wings (4) and the sanitary napkin body (1) are arranged in a chamfered arc shape.
4. A three-layer liquid-absorbent sanitary napkin according to claim 3, characterized in that: Two equally spaced guide strips (9) are provided on one side of the sanitary napkin body (1), and the guide strips (9) are located on one side of the absorbent core (2). A plurality of symmetrically distributed antibacterial strips (10) are provided on the sanitary napkin body (1), and the antibacterial strips (10) are located on one side of the guide strip (9).
5. A three-layer liquid-absorbent sanitary napkin according to claim 4, characterized in that: The surface of the liquid absorbent core (2) is arranged in a convex arc shape, and a plurality of permeation channels (11) are arranged on one side of the liquid absorbent core (2).