Novel liquid sanitary towel

By introducing a hydrophobic layer and a hydrophilic layer into the liquid sanitary napkin, combining the convex layer and the liquid core, the problems of menstrual blood outflow and leakage are solved, and the user's comfort and hygiene safety are improved.

CN223126759UActive Publication Date: 2025-07-22HAINAN BEIER YOUPIN TECH CO LTD
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Patent Information

Application Number
CN202422158097.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-07-22
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The existing liquid sanitary napkins tend to flow out through the buttocks when users sleep, and are not absorbed quickly enough, resulting in menstrual blood leakage and bacterial growth, reducing the comfort and hygiene and safety.

Method used

A new type of liquid sanitary napkin is designed, including a skin-friendly layer, a hydrophilic layer, a hydrophobic layer, a first and a second convex layer, a waterproof layer and a liquid core. The hydrophobic layer avoids menstrual blood residue through the hydrophobic layer, the hydrophilic layer quickly absorbs, the convex layer covers the buttock groove, and the liquid core quickly diverts to absorb menstrual blood, reducing the risk of leakage.

Benefits of technology

Keep the vagina dry, improve comfort, quickly absorb menstrual blood, reduce the risk of leakage, reduce bacterial growth, improve absorption uniformity and use comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a novel liquid sanitary napkin, belongs to the field of sanitary napkins, aims to solve the problem that an existing liquid sanitary napkin cannot effectively prevent menstrual blood from flowing out along the gluteal cleavage when a user sleeps, and comprises a skin-friendly layer, a hydrophilic layer is arranged on the skin-friendly layer, a hydrophobic layer is arranged in the hydrophilic layer, and the hydrophobic layer is arranged on the hydrophilic layer. The top of the side end of the skin-friendly layer is fixedly connected with a first convex layer and a second convex layer, one end of the first convex layer is fixedly connected with one end of the second convex layer, the side end of the skin-friendly layer is fixedly connected with a first protection wing, and the bottom of the skin-friendly layer is fixedly connected with a waterproof layer. By arranging the hydrophobic layer, menstrual blood can be prevented from remaining at the private part of a user, then the private part can be kept in a dry and comfortable state, the comfort degree of the user is improved, under the combined action of the first convex layer and the second convex layer, the hip cleft of the user can be wrapped, and then the situation that the hip cleft of the user is prone to falling off when the user sleeps can be avoided. And menstrual blood can continue to flow out along with the gluteal cleavage.
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Description

Technical Field

[0001] The utility model relates to the field of sanitary napkins, and more specifically, to a new type of liquid sanitary napkin. Background Art

[0002] A sanitary napkin is a sanitary product used during a woman's menstrual period, designed to absorb and collect the blood flowing out during menstruation, keep the body dry and clean, and provide safe, comfortable and convenient protection for women during menstruation. A liquid sanitary napkin is a new type of sanitary napkin, which does not contain liquid. Different from the cotton fiber used in traditional sanitary napkins, its absorbent material is a new type of liquid material.

[0003] Since the amount of menstrual blood discharged during a woman's menstrual period is relatively large, and in the actual working process of existing liquid sanitary napkins, it is not possible to effectively avoid the problem that menstrual blood flows out along the gluteal groove when the user is sleeping, and it is not possible to quickly divert and absorb the menstrual blood. Therefore, it takes a long time for the menstrual blood to penetrate into the absorbent core layer, which is likely to cause the phenomenon of side leakage of menstrual blood, thereby reducing the comfort of using liquid sanitary napkins. Moreover, the menstrual blood stays on the surface for a long time, which is extremely likely to breed bacteria and there is a hygiene hazard. Therefore, we have made improvements to this and proposed a new type of liquid sanitary napkin. Summary of the Utility Model

[0004] The purpose of the present utility model is to address the problems that existing liquid sanitary napkins cannot effectively prevent menstrual blood from flowing out along the gluteal groove when the user is sleeping and cannot quickly divert and absorb menstrual blood.

[0005] To achieve the above purpose, the present utility model provides the following technical solutions:

[0006] A new type of liquid sanitary napkin to improve the above problems.

[0007] Specifically, this application is as follows:

[0008] It includes a skin-friendly layer, a hydrophilic layer is arranged on the skin-friendly layer, a hydrophobic layer is arranged inside the hydrophilic layer, a first convex layer and a second convex layer are fixedly connected to the top of the side end of the skin-friendly layer, one end of the first convex layer and one end of the second convex layer are fixedly connected, a first wing is fixedly connected to the side end of the skin-friendly layer, a waterproof layer is fixedly connected to the bottom of the skin-friendly layer, a second wing is fixedly connected to the side end of the waterproof layer, a groove is formed inside the waterproof layer, and a liquid core is fixedly connected inside the groove.

[0009] As a preferred technical solution of this application, the skin-friendly layer and the first wing are of an integrated structure, the waterproof layer and the second wing are of an integrated structure, the shape and size of the skin-friendly layer are the same as those of the waterproof layer, and the shape and size of the first wing are the same as those of the second wing.

[0010] As a preferred technical solution of the present application, the shape and size of the hydrophilic layer are the same as those of the liquid core, the hydrophobic layer is located in the middle of the hydrophilic layer, and the hydrophobic layer is elliptical.

[0011] As a preferred technical solution of the present application, the thickness of the skin-friendly layer is equal to that of the hydrophilic layer, the depth of the groove is equal to that of the liquid core, the second convex layer is connected to the middle of the first convex layer, and the length of the first convex layer is equal to the width of the skin-friendly layer.

[0012] As a preferred technical solution of the present application, the liquid core is made of a high-molecular hydrogel material, and the materials of the first convex layer and the second convex layer are the same as that of the waterproof layer.

[0013] As a preferred technical solution of the present application, the liquid core includes an upper core and a lower core, the upper core and the lower core are fixed to each other, first absorbent strips, second absorbent strips, third absorbent strips, and fourth absorbent strips are fixedly connected to the bottom end surface of the upper core, and the bottom end surfaces of the first absorbent strip, the second absorbent strip, the third absorbent strip, and the fourth absorbent strip are all fixedly connected to the top end surface of the lower core, and the third absorbent strip and the fourth absorbent strip are fixed to each other.

[0014] As a preferred technical solution of the present application, the first absorbent strip and the second absorbent strip are symmetrically distributed on both sides of the upper core, the second absorbent strip is equidistantly distributed in the middle of the upper core, and the fourth absorbent strip is equidistantly distributed on both sides of the third absorbent strip.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] In the solution of the present application:

[0017] 1. By providing the hydrophobic layer, menstrual blood can be prevented from remaining in the user's vulva, thereby keeping the vulva dry and improving the user's comfort. Moreover, under the combined action of the first convex layer and the second convex layer, the user's gluteal groove can be wrapped, thereby avoiding the problem that menstrual blood will continue to flow out along the gluteal groove when the user is sleeping.

[0018] 2. By providing the hydrophilic layer, menstrual blood can be quickly absorbed. Subsequently, the liquid core with stronger water absorption can quickly absorb the menstrual blood in the hydrophilic layer. Combining each of the first absorbent strip, the second absorbent strip, the third absorbent strip, and the fourth absorbent strip can conveniently and stably divert the menstrual blood and fully absorb it, reducing the risk of menstrual blood back-seepage, improving the absorption efficiency, increasing the absorption uniformity of the liquid core, improving the comfort of the user during use, reducing the growth of bacteria in the middle position, and reducing the health hazard. Description of the Drawings

[0019] Figure 1 Schematic diagram of the overall three-dimensional structure of the novel liquid sanitary napkin provided by the present application;

[0020] Figure 2 Schematic diagram of the overall top view structure of the novel liquid sanitary napkin provided by the present application;

[0021] Figure 3 Schematic diagram of the top view structure of the waterproof layer of the novel liquid sanitary napkin provided by the present application;

[0022] Figure 4 Schematic diagram of the upward view structure of the upper core body of the novel liquid sanitary napkin provided by the present application;

[0023] Figure 5 Schematic diagram of the overall main sectional structure of the novel liquid sanitary napkin provided by the present application;

[0024] Figure 6 Schematic diagram of the main sectional structure of the upper core body of the novel liquid sanitary napkin provided by the present application.

[0025] Reference numerals in the figure: 1, skin-friendly layer; 2, hydrophilic layer; 3, hydrophobic layer; 4, first convex layer; 5, second convex layer; 6, first wing; 7, waterproof layer; 8, second wing; 9, groove; 10, liquid core body; 1001, upper core body; 1002, lower core body; 1003, first water-absorbing strip; 1004, second water-absorbing strip; 1005, third water-absorbing strip; 1006, fourth water-absorbing strip. Detailed implementation manners

[0026] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model.

[0027] Therefore, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the present utility model claimed, but merely represents some embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0028] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments may be combined with each other.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0030] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, terms such as "first" and "second" are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0031] Embodiment 1:

[0032] As Figures 1 - 3 and Figure 5 shown, this embodiment proposes a new type of liquid sanitary napkin, including a skin-friendly layer 1, a hydrophilic layer 2 is arranged on the skin-friendly layer 1, a hydrophobic layer 3 is arranged inside the hydrophilic layer 2, a first convex layer 4 and a second convex layer 5 are fixedly connected to the top of the side end of the skin-friendly layer 1, one end of the first convex layer 4 and one end of the second convex layer 5 are fixedly connected, a first wing 6 is fixedly connected to the side end of the skin-friendly layer 1, a waterproof layer 7 is fixedly connected to the bottom of the skin-friendly layer 1, a second wing 8 is fixedly connected to the side end of the waterproof layer 7, a groove 9 is opened inside the waterproof layer 7, and a liquid core 10 is fixedly connected inside the groove 9.

[0033] Embodiment 2:

[0034] The solution in Embodiment 1 will be further introduced below in combination with the specific working mode, as detailed in the following description:

[0035] As Figures 1 - 3 shown, as a preferred embodiment, on the basis of the above method, further, the skin-friendly layer 1 and the first wing 6 are of an integrated structure, the waterproof layer 7 and the second wing 8 are of an integrated structure, the shape and size of the skin-friendly layer 1 are the same as those of the waterproof layer 7, the shape and size of the first wing 6 are the same as those of the second wing 8, the shape and size of the hydrophilic layer 2 are the same as those of the liquid core 10, the hydrophobic layer 3 is located in the middle of the hydrophilic layer 2, the hydrophobic layer 3 is elliptical, and the use of the hydrophobic layer 3 can avoid menstrual blood remaining in the user's vulva, thereby keeping the vulva dry and improving the user's comfort.

[0036] As Figure 2 and Figure 5As shown, as a preferred embodiment, on the basis of the above method, further, the thickness of the skin-friendly layer 1 is equal to the thickness of the hydrophilic layer 2, the depth of the groove 9 is equal to the thickness of the liquid core 10, the second convex layer 5 is connected to the middle part of the first convex layer 4, the length of the first convex layer 4 is equal to the width of the skin-friendly layer 1, the liquid core 10 is made of a polymer hydrogel material, the materials of the first convex layer 4 and the second convex layer 5 are the same as the material of the waterproof layer 7. Under the combined action of the first convex layer 4 and the second convex layer 5, it can wrap the gluteal groove of the user, thereby avoiding the problem that menstrual blood will continue to flow out along the gluteal groove when the user is sleeping.

[0037] As Figures 3 - 6 As shown, as a preferred embodiment, on the basis of the above method, further, the liquid core 10 includes an upper core 1001 and a lower core 1002, the upper core 1001 and the lower core 1002 are fixed to each other, a first water-absorbing strip 1003, a second water-absorbing strip 1004, a third water-absorbing strip 1005 and a fourth water-absorbing strip 1006 are fixedly connected to the bottom end surface of the upper core 1001, and the bottom end surfaces of the first water-absorbing strip 1003, the second water-absorbing strip 1004, the third water-absorbing strip 1005 and the fourth water-absorbing strip 1006 are all fixedly connected to the top end surface of the lower core 1002. The third water-absorbing strip 1005 and the fourth water-absorbing strip 1006 are fixed to each other. The first water-absorbing strip 1003 and the second water-absorbing strip 1004 are symmetrically distributed on both sides of the upper core 1001. The second water-absorbing strip 1004 is equidistantly distributed in the middle part of the upper core 1001. The fourth water-absorbing strip 1006 is equidistantly distributed on both sides of the third water-absorbing strip 1005. The liquid core 10 with stronger water absorption can quickly absorb the menstrual blood in the hydrophilic layer 2. Combining each of the first water-absorbing strip 1003, the second water-absorbing strip 1004, the third water-absorbing strip 1005 and the fourth water-absorbing strip 1006 can conveniently and stably divert the menstrual blood and fully absorb it, reducing the risk of menstrual blood back-seepage.

[0038] Specifically, when the new type of liquid sanitary napkin is in use: under the combined action of the first convex layer 4 and the second convex layer 5, it can wrap the gluteal groove of the user, thereby avoiding the problem that menstrual blood will continue to flow out along the gluteal groove when the user is sleeping. The menstrual blood that falls on the surface of the hydrophobic layer 3 will flow to the hydrophilic layer 2 and be absorbed by the hydrophilic layer 2. No menstrual blood will remain on the surface of the hydrophobic layer 3, which can keep the vulva dry, improve the comfort of the user. Subsequently, through the close fit of the hydrophilic layer 2 and the liquid core 10, the liquid core 10 with stronger water absorption can quickly absorb the menstrual blood in the hydrophilic layer 2. At this time, by using the first water-absorbing strips 1003, second water-absorbing strips 1004, third water-absorbing strips 1005 and fourth water-absorbing strips 1006 in the upper core 1001 and the lower core 1002, the menstrual blood can be conveniently and stably shunted and fully absorbed, the liquid is quickly absorbed and locked inside the liquid core 10, further keeping the vulva of the user dry, reducing the risk of menstrual blood backflow, improving the absorption efficiency, increasing the absorption uniformity of the liquid core 10, improving the comfort of the user during use, reducing the growth of bacteria in the middle position, reducing the hygiene hazard, and using the waterproof layer 7 and the groove 9, the liquid core 10 can be stored, thereby further avoiding the leakage of the menstrual blood absorbed in the liquid core 10.

[0039] The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above respective embodiments, the present invention is not limited to the above specific implementation manners. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and their improvements that do not depart from the spirit and scope of the utility model are covered by the scope of the claims of the present invention.

Claims

1. A new type of liquid sanitary napkin, including a skin-friendly layer (1), characterized in that, A hydrophilic layer (2) is provided on the skin-friendly layer (1), a hydrophobic layer (3) is provided inside the hydrophilic layer (2), a first convex layer (4) and a second convex layer (5) are fixedly connected to the top of the side end of the skin-friendly layer (1), one end of the first convex layer (4) and one end of the second convex layer (5) are fixedly connected, a first wing (6) is fixedly connected to the side end of the skin-friendly layer (1), a waterproof layer (7) is fixedly connected to the bottom of the skin-friendly layer (1), a second wing (8) is fixedly connected to the side end of the waterproof layer (7), a groove (9) is formed inside the waterproof layer (7), and a liquid core (10) is fixedly connected inside the groove (9).

2. The novel liquid sanitary napkin according to claim 1, wherein, The skin-friendly layer (1) and the first wing (6) are of an integrated structure, the waterproof layer (7) and the second wing (8) are of an integrated structure, the shape and size of the skin-friendly layer (1) are the same as those of the waterproof layer (7), and the shape and size of the first wing (6) are the same as those of the second wing (8).

3. A novel liquid sanitary napkin according to claim 1, characterized in that, The shape and size of the hydrophilic layer (2) are the same as those of the liquid core (10), the hydrophobic layer (3) is located at the middle part of the hydrophilic layer (2), and the hydrophobic layer (3) is elliptical in shape.

4. A novel liquid sanitary napkin according to claim 1, characterized in that, The thickness of the skin-friendly layer (1) is equal to that of the hydrophilic layer (2), the depth of the groove (9) is equal to that of the liquid core (10), the second convex layer (5) is connected to the middle part of the first convex layer (4), and the length of the first convex layer (4) is equal to the width of the skin-friendly layer (1).

5. A novel liquid sanitary napkin according to claim 1, characterized in that, The liquid core (10) is made of a polymer hydrogel material, and the materials of the first convex layer (4) and the second convex layer (5) are the same as that of the waterproof layer (7).

6. A novel liquid sanitary napkin according to claim 1, wherein, The liquid core (10) includes an upper core (1001) and a lower core (1002), the upper core (1001) and the lower core (1002) are fixed to each other, a first water-absorbing strip (1003), a second water-absorbing strip (1004), a third water-absorbing strip (1005) and a fourth water-absorbing strip (1006) are fixedly connected to the bottom end surface of the upper core (1001), the bottom end surfaces of the first water-absorbing strip (1003), the second water-absorbing strip (1004), the third water-absorbing strip (1005) and the fourth water-absorbing strip (1006) are all fixedly connected to the top end surface of the lower core (1002), and the third water-absorbing strip (1005) and the fourth water-absorbing strip (1006) are fixed to each other.

7. A novel liquid sanitary napkin according to claim 6, characterized in that, The first water-absorbing strip (1003) and the second water-absorbing strip (1004) are symmetrically distributed on both sides of the upper core (1001), the second water-absorbing strip (1004) is equidistantly distributed in the middle part of the upper core (1001), and the fourth water-absorbing strip (1006) is equidistantly distributed on both sides of the third water-absorbing strip (1005).