Novel core body for hygienic products

By designing a new sanitary product core with a multi-layer structure, the existing core has solved the problems of low liquid absorption efficiency, poor antibacterial performance and insufficient strength, and achieved rapid liquid absorption and improvement of antibacterial effects.

CN222467295UActive Publication Date: 2025-02-14林清森
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Patent Information

Application Number
CN202420370953.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-28
Publication Date
2025-02-14
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

The cores of existing sanitary products are inefficient when absorbing liquids, lack antibacterial properties and strength, and are prone to rupture.

Method used

A new core was designed, including a hydrophilic surface layer, a breathable layer, an antibacterial layer, an upper absorbent layer, an upper adhesive layer, a hydrophilic intermediate layer, a lower adhesive layer, a lower absorbent layer, and a hydrophilic bottom layer. and leak-proof layers, through the combination and structural design of these layers, the rapid absorption and antibacterial effect of liquids are achieved.

Benefits of technology

The new core can quickly absorb liquid, improve user comfort, and have better antibacterial properties and strength to reduce the risk of rupture.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel core body for hygienic products, which comprises a core body, the core body comprises a hydrophilic surface layer, a breathable layer, an antibacterial layer, an upper absorption layer, an upper adhesive layer, a hydrophilic middle layer, a lower adhesive layer, a lower absorption layer, a hydrophilic bottom surface layer and a leakage-proof layer, the bottom end of the hydrophilic surface layer is fixedly connected with the breathable layer, and the bottom end of the breathable layer is fixedly connected with the antibacterial layer. The bottom end of the breathable layer is fixedly connected with an antibacterial layer, the bottom end of the antibacterial layer is fixedly connected with an upper absorption layer, the bottom end of the upper absorption layer is fixedly connected with an upper adhesive layer, the bottom end of the upper adhesive layer is fixedly connected with a lower absorption layer, the bottom end of the lower absorption layer is fixedly connected with a hydrophilic bottom surface layer, and the bottom end of the hydrophilic bottom surface layer is fixedly connected with a leakage-proof layer. According to the novel core body for the hygienic product, liquid falling onto the middle part of the core body of the hygienic product can be quickly absorbed, the comfort level of a user can be more efficiently kept, and the novel core body has better strength and antibacterial performance.
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Description

Technical Field

[0001] The utility model relates to the technical field of sanitary products, in particular to a new core body used for sanitary products. Background Art

[0002] Hygiene products refer to various products used to maintain personal hygiene and health.

[0003] The core of a sanitary product usually refers to its main internal structure, that is, the part used to absorb liquid and keep dry. However, the core of existing sanitary products has the following disadvantages:

[0004] (1) When the core of the existing sanitary products absorbs liquid, the liquid usually penetrates into the middle part of the core of the sanitary products. Only when the absorption of this part is saturated will the liquid diverge to both sides, resulting in low liquid absorption efficiency;

[0005] (2) The core of existing sanitary products lacks good antibacterial properties and has poor strength and is easily torn. Utility Model Content

[0006] The purpose of the utility model is to provide a new core for sanitary products, so as to solve the problems in the prior art that when the core of the existing sanitary products absorbs liquid, the liquid usually penetrates from the middle part of the core of the sanitary products, and the liquid will diverge to both sides only when the absorption at this position is saturated, resulting in low liquid absorption efficiency, lack of good antibacterial performance of the sanitary product core, poor strength, and easy to be pulled and broken.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new core body for sanitary products, comprising a core body, wherein the core body comprises a hydrophilic surface layer, a breathable layer, an antibacterial layer, an upper absorbent layer, an upper adhesive layer, a hydrophilic middle layer, a lower adhesive layer, a lower absorbent layer, a hydrophilic bottom layer and a leak-proof layer, the bottom end of the hydrophilic surface layer is fixedly connected to the breathable layer, the bottom end of the breathable layer is fixedly connected to the antibacterial layer, the bottom end of the antibacterial layer is fixedly connected to the upper absorbent layer, the bottom end of the upper absorbent layer is fixedly connected to the upper adhesive layer, the bottom end of the upper adhesive layer is fixedly connected to the lower absorbent layer, the bottom end of the lower absorbent layer is fixedly connected to the hydrophilic bottom layer, and the bottom end of the hydrophilic bottom layer is fixedly connected to the leak-proof layer.

[0008] When a new core for sanitary products according to the technical solution is used, the liquid falling on the middle part of the core of the sanitary products can be quickly absorbed, the user's comfort can be maintained more efficiently, and the core has better strength and antibacterial properties.

[0009] As a preferred technical solution of the utility model, the antibacterial layer includes an activated carbon layer and a silver ion layer, and the bottom end of the activated carbon layer is fixedly connected to the silver ion layer. The antibacterial layer is used to inhibit bacterial growth and remove odor.

[0010] As a preferred technical solution of the utility model, a wave pattern is provided at the connection between the activated carbon layer and the silver ion layer. The provided wave pattern can increase the contact area between the layers and make the connection more firm.

[0011] As a preferred technical solution of the utility model, the upper absorption layer includes two absorption strips and a long strip cavity, absorption strips are arranged on both sides of the surface of the upper absorption layer, a long strip cavity is arranged in the middle of the upper absorption layer, the absorption strips include a plurality of evenly distributed high molecular absorption particles 1, and the lower absorption layer includes a plurality of evenly distributed high molecular absorption particles 2. The absorption strips and the lower absorption layer absorb the infiltrated liquid.

[0012] As a preferred technical solution of the utility model, the width of the long strip cavity is 5-30 mm, and the diameter of the polymer absorbent particle 1 is larger than the diameter of the polymer absorbent particle 2. Most of the liquid is absorbed by the upper absorbent layer.

[0013] As a preferred technical solution of the utility model, the hydrophilic bottom layer is fixedly connected with a plurality of transverse ribs inside, the surfaces of the plurality of transverse ribs are fixedly connected with a plurality of longitudinal ribs, and the hydrophilic bottom layer and the lower absorbent layer are fixedly connected with a plurality of elastic strips. The longitudinal ribs and transverse ribs can improve the structural strength of the core.

[0014] As a preferred technical solution of the utility model, both sides of the core body are provided with extension parts, which can prevent side leakage.

[0015] As a preferred technical solution of the utility model, the hydrophilic surface layer, the hydrophilic middle layer and the hydrophilic bottom layer are all made of hydrophilic non-woven fabrics, which are beneficial to the infiltration and absorption of liquids.

[0016] As a preferred technical solution of the utility model, the sanitary product includes at least one of diapers, diapers, pull-on pants, sanitary napkins, panty liners and mattresses.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. When liquid penetrates from the middle part of the core of the sanitary product, it will penetrate into the long strip-shaped cavity of the upper absorbent layer, so that the liquid can penetrate into the absorbent strips on both sides along the long strip-shaped cavity, and penetrate downward to the lower absorbent layer, thereby quickly absorbing the liquid falling on the middle part of the core of the sanitary product, and more efficiently maintaining the comfort of the user;

[0019] 2. The core of the sanitary product is provided with a silver ion layer to inhibit bacteria, an activated carbon layer to eliminate odor, and a breathable layer to promote air circulation, thereby ensuring that the core is dry and hygienic. In addition, transverse and longitudinal ribs are provided in the core to improve the strength of the core and prevent it from being pulled and broken. In addition, elastic strips are provided to prevent the core from wrinkling and deformation, making it easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 It is a partial cross-sectional view of the utility model;

[0022] Figure 3 is a cross-sectional view of the antibacterial layer of the utility model;

[0023] Figure 4 It is a cross-sectional view of the upper absorption layer of the utility model;

[0024] Figure 5 It is a top cross-sectional view of the hydrophilic bottom surface layer of the utility model.

[0025] In the figure: 1. core; 101. hydrophilic surface layer; 102. breathable layer; 103. antibacterial layer; 1031. activated carbon layer; 1032. silver ion layer; 104. upper absorption layer; 1041. absorption strip; 1042. long strip cavity; 105. upper adhesive layer; 106. hydrophilic middle layer; 107. lower adhesive layer; 108. lower absorption layer; 109. hydrophilic bottom layer; 110. leakproof layer; 2. wavy pattern; 3. extension part; 4. transverse ribs; 5. longitudinal ribs; 6. elastic strip. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5The utility model provides a new core for sanitary products, including a core 1, the core 1 including a hydrophilic surface layer 101, a breathable layer 102, an antibacterial layer 103, an upper absorbent layer 104, an upper adhesive layer 105, a hydrophilic middle layer 106, a lower adhesive layer 107, a lower absorbent layer 108, a hydrophilic bottom layer 109 and a leakproof layer 110, the bottom end of the hydrophilic surface layer 101 is fixedly connected with the breathable layer 102 to improve the breathability, and the bottom of the breathable layer 102 is The end is fixedly connected with an antibacterial layer 103, the bottom end of the antibacterial layer 103 is fixedly connected with an upper absorbent layer 104, the bottom end of the upper absorbent layer 104 is fixedly connected with an upper adhesive layer 105, which is a hot melt adhesive, and the layers are connected by hot pressing, the bottom end of the upper adhesive layer 105 is fixedly connected with a lower absorbent layer 108, the bottom end of the lower absorbent layer 108 is fixedly connected with a hydrophilic bottom layer 109, and the bottom end of the hydrophilic bottom layer 109 is fixedly connected with a leak-proof layer 110 to prevent liquid from leaking.

[0028] When in use, the layers of the core 1 are combined by heat pressing, and the microporous film air permeable layer 102 is arranged on the core 1 to promote air circulation, thereby ensuring dryness and hygiene at the core 1, and the polyvinyl chloride anti-leakage layer 110 is arranged to prevent liquid from leaking from the core 1;

[0029] The antibacterial layer 103 includes an activated carbon layer 1031 and a silver ion layer 1032. The bottom end of the activated carbon layer 1031 is fixedly connected to the silver ion layer 1032. A wave pattern 2 is provided at the connection between the activated carbon layer 1031 and the silver ion layer 1032 to improve the connection strength. A plurality of transverse ribs 4 are fixedly connected to the inside of the hydrophilic bottom layer 109. A plurality of longitudinal ribs 5 are fixedly connected to the surface of the plurality of transverse ribs 4 to improve the structural strength. A plurality of elastic strips 6 are fixedly connected between the hydrophilic bottom layer 109 and the lower absorption layer 108 to improve the toughness.

[0030] When in use, the silver ion layer 1032 is provided on the core body 1 of the sanitary product to play an antibacterial role, the activated carbon layer 1031 is provided to eliminate odor, and the wave pattern 2 is provided at the connection to increase the contact area between the layers, so that it is not easy to fall off after connection, and the transverse ribs 4 and the longitudinal ribs 5 are provided in the core body 1 to improve the strength of the core body 1 and prevent it from being pulled and broken, and the elastic strips 6 are provided to make the core body 1 not easy to wrinkle and deform, and easy to use, and the polyvinyl chloride anti-leakage layer 110 is provided to prevent liquid from leaking from the core body 1;

[0031] The upper absorption layer 104 includes two absorption strips 1041 and a long strip-shaped cavity 1042. The absorption strips 1041 are arranged on both sides of the surface of the upper absorption layer 104. The middle part of the upper absorption layer 104 is arranged with a long strip-shaped cavity 1042, which is conducive to the rapid diffusion and penetration of liquid. The absorption strips 1041 include a plurality of evenly distributed high molecular absorption particles 1, and the lower absorption layer 108 includes a plurality of evenly distributed high molecular absorption particles 2 for absorbing liquid. The width of the long strip-shaped cavity 1042 is 5-30 mm, and the diameter of the high molecular absorption particle 1 is greater than the diameter of the high molecular absorption particle 2.

[0032] When in use, when liquid penetrates from the middle part of the sanitary product core 1, it will penetrate into the long strip cavity 1042 of the upper absorbent layer 104, so that the liquid can penetrate along the long strip cavity 1042 to the absorbent strips 1041 on both sides, absorbing most of the liquid, and a small part of the liquid will penetrate downward to the lower absorbent layer 108 to be absorbed;

[0033] Both sides of the core 1 are provided with extension parts 3, the hydrophilic surface layer 101, the hydrophilic middle layer 106 and the hydrophilic bottom layer 109 are all made of hydrophilic non-woven fabrics, and the sanitary products include at least one of diapers, diapers, pull-up pants, sanitary napkins, panty liners and mattresses;

[0034] When in use, the hydrophilic non-woven fabrics arranged on the surface layer, the middle layer and the bottom layer are conducive to the penetration and absorption of liquids. The extension part 3 arranged on the core body 1 can prevent the side leakage of liquids. The core body 1 can be used in diapers, diapers, pull-up pants, sanitary napkins, panty liners and mattresses.

[0035] In specific use, the utility model is a new core for sanitary products. When liquid penetrates from the middle part of the sanitary product core 1, it will penetrate into the long strip cavity 1042 of the upper absorbent layer 104, so that the liquid can penetrate along the long strip cavity 1042 to the absorbent strips 1041 on both sides, and penetrate downward to the lower absorbent layer 108, thereby quickly absorbing the liquid falling on the middle part of the sanitary product core 1, more efficiently maintaining the comfort of the user, and by using the sanitary product The core body 1 is provided with a silver ion layer 1032 which can play an antibacterial role, an activated carbon layer 1031 which can eliminate odor, and a microporous membrane breathable layer 102 which promotes air circulation to ensure the dryness and hygiene of the core body 1. The core body 1 is provided with transverse ribs 4 and longitudinal ribs 5 which can improve the strength of the core body 1 and prevent it from being pulled and broken, and an elastic strip 6 which makes the core body 1 not easy to wrinkle and deform and is easy to use. The polyvinyl chloride leak-proof layer 110 is provided to prevent liquid from leaking from the core body 1.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A new core for sanitary products, comprising a core (1), characterized in that: The core (1) comprises a hydrophilic surface layer (101), a breathable layer (102), an antibacterial layer (103), an upper absorbent layer (104), an upper adhesive layer (105), a hydrophilic middle layer (106), a lower adhesive layer (107), a lower absorbent layer (108), a hydrophilic bottom layer (109) and a leakproof layer (110), wherein the bottom end of the hydrophilic surface layer (101) is fixedly connected to the breathable layer (102), and the bottom end of the breathable layer (102) is fixedly connected to the The antibacterial layer (103) is connected to the bottom end of the antibacterial layer (103), the bottom end of the upper absorbent layer (104) is fixedly connected to the top adhesive layer (105), the bottom end of the upper adhesive layer (105) is fixedly connected to the bottom end of the lower absorbent layer (108), the bottom end of the lower absorbent layer (108) is fixedly connected to the hydrophilic bottom layer (109), and the bottom end of the hydrophilic bottom layer (109) is fixedly connected to the anti-leakage layer (110).

2. A novel core for sanitary products according to claim 1, characterized in that: The antibacterial layer (103) comprises an activated carbon layer (1031) and a silver ion layer (1032), and the bottom end of the activated carbon layer (1031) is fixedly connected to the silver ion layer (1032).

3. A novel core for sanitary products according to claim 2, characterized in that: A wavy pattern (2) is provided at the connection between the activated carbon layer (1031) and the silver ion layer (1032).

4. A novel core for sanitary products according to claim 1, characterized in that: The upper absorption layer (104) comprises two absorption strips (1041) and a long strip-shaped cavity (1042); absorption strips (1041) are arranged on both sides of the surface of the upper absorption layer (104); a long strip-shaped cavity (1042) is arranged in the middle of the upper absorption layer (104); the absorption strips (1041) comprise a plurality of uniformly distributed high-molecular absorption particles 1; and the lower absorption layer (108) comprises a plurality of uniformly distributed high-molecular absorption particles 2.

5. A novel core for sanitary products according to claim 4, characterized in that: The width of the elongated cavity (1042) is 5-30 mm, and the diameter of the first polymer absorption particle is greater than the diameter of the second polymer absorption particle.

6. A novel core for sanitary products according to claim 1, characterized in that: The hydrophilic bottom layer (109) is fixedly connected to a plurality of transverse ribs (4) inside, a plurality of longitudinal ribs (5) are fixedly connected to the surface of the plurality of transverse ribs (4), and a plurality of elastic strips (6) are fixedly connected between the hydrophilic bottom layer (109) and the lower absorbent layer (108).

7. A novel core for sanitary products according to claim 1, characterized in that: Extension parts (3) are provided on both sides of the core (1).

8. A novel core for sanitary products according to claim 1, characterized in that: The hydrophilic surface layer (101), the hydrophilic middle layer (106) and the hydrophilic bottom layer (109) are all made of hydrophilic non-woven fabrics.

9. A novel core for sanitary products according to claim 1, characterized in that: The sanitary products include at least one of diapers, diapers, pull-on pants, sanitary napkins, panty liners and mattresses.