Sanitary towel with three-dimensional absorption structure

Abstract

The utility model discloses a sanitary napkin with a three-dimensional absorption structure, which belongs to the technical field of sanitary napkins and comprises a layered absorber and a three-dimensional absorber, the layered absorber is sequentially composed of a skin-friendly surface layer, an absorption core body and a leakage-proof bottom layer from top to bottom, and the absorption core body is sequentially composed of a diversion layer, an absorption layer and a diffusion layer from top to bottom; the three-dimensional absorber is arranged at the top of the layered absorber and extends upwards, and a connecting line extending to the absorption core body is arranged at the bottom of the three-dimensional absorber; the ends of the connecting lines extend towards the edge of the top of the absorption core body, and the other ends of the connecting lines extend towards the top of the three-dimensional absorption body. The sanitary towel is suitable for being used in the period that the menstrual blood volume is large and the replacement frequency of the sanitary towel is high, has a good side leakage prevention effect and is high in absorption efficiency and absorption performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to sanitary towel technical field, concretely relates to a sanitary towel with three -dimensional absorption structure. BACKGROUND

[0002] Sanitary towel is a kind of sanitary product used by women during menstruation, and the main material is cotton, non-woven fabric, paper pulp or the high molecular polymer and high molecular polymer composite paper formed by the above material composite, mainly used to absorb the menstrual blood and other secretions from the vagina when the woman's menstruation comes;With the improvement of people's life quality, modern women pursue sanitary products more and more, especially the sanitary towel used during menstruation, function and comfort as important factors for selecting products, especially the leakage prevention effect, but the existing sanitary towel is deformed when the two side wings are turned down and fixed in the underpants, the absorption core body in the deformed sanitary towel is high in the middle and low on both sides, which leads to poor fit and easy side leakage, therefore, a raised leakage prevention baffle structure is usually arranged on the two side edges of the sanitary towel, but the width, height and other dimensions of the leakage prevention baffle of part of the sanitary towel are too large, which affects the flatness of the surface of the sanitary towel, leading to poor comfort of the sanitary towel.

[0003] Based on the above situation, the Chinese patent with publication number CN213641595U discloses a kind of sanitary towel of preventing side leakage, including sanitary towel body, sanitary towel body includes absorption part and the outer contour portion located in the edge of absorption part and rolled, absorption part has water absorption, the edge of absorption part is enclosed with the retaining wall that projects absorption part surface, retaining wall surface is equipped with several convex points, retaining wall is filled with water absorption material;The above sanitary towel realizes the effect of preventing side leakage by setting retaining wall on surface edge, liquid flowing to the edge of sanitary towel is absorbed by water absorption material in retaining wall to avoid the situation of side leakage, but water absorption material usually expands to a certain extent after absorbing liquid, and liquid does not flow uniformly to the edge of sanitary towel, therefore, retaining wall can only absorb liquid in part position, the position of liquid absorption in retaining wall will swell and protrude, leading to uneven sanitary towel surface and affecting the comfort when human body contacts, therefore, the sanitary towel still has room for improvement. UTILITY MODEL CONTENT

[0004] In view of the technical defects in the background art, the utility model provides a sanitary towel with a three-dimensional absorption structure, which solves the above technical problems and meets the actual needs, and the specific technical solution is as follows:

[0005] A sanitary towel with a three-dimensional absorption structure, comprising a layered absorption body and a three-dimensional absorption body, the layered absorption body is composed of a skin-friendly surface layer, an absorption core body and a leakage prevention bottom layer from top to bottom, and the absorption core body is composed of a flow guide layer, an absorption layer and a diffusion layer from top to bottom.

[0006] The three-dimensional absorbent body is arranged on the top of the layered absorbent body and extends upwards, and the bottom of the three-dimensional absorbent body is provided with a connecting line extending to the surface of the absorbent core body.

[0007] As a further technical scheme of the utility model, the connecting line is provided with a plurality of lines, the ends of the lines are respectively extended towards the top edge of the absorbent core body, and the other ends are extended towards the top of the three-dimensional absorbent body.

[0008] As a further technical scheme of the utility model, the surface of the three-dimensional absorbent body is wrapped with a wrapping layer, and the surface of the wrapping layer is provided with a plurality of flow guide grooves extending from the top of the three-dimensional absorbent body to the surface of the skin-friendly surface layer.

[0009] As a further technical scheme of the utility model, the three-dimensional absorbent body is located at the center of the top of the layered absorbent body, penetrates through the skin-friendly surface layer and extends to the top of the absorbent layer, and the bottom of the three-dimensional absorbent body is fixedly connected with the top of the absorbent core body.

[0010] As a further technical scheme of the utility model, the outer diameter of the three-dimensional absorbent body gradually increases from the top to the bottom.

[0011] As a further technical scheme of the utility model, the top of the skin-friendly surface layer is provided with a three-dimensional containment, and the three-dimensional containment is arranged along the top edge of the skin-friendly surface layer and connected in a loop.

[0012] As a further technical scheme of the utility model, the leakage-proof bottom layer extends outward at both sides of the layered absorbent body and forms a wing, and the bottom of the wing and the bottom of the leakage-proof bottom layer are both provided with an adhesive layer.

[0013] The utility model has the beneficial effects that:

[0014] The sanitary napkin of the utility model absorbs menstrual blood through the three-dimensional absorbent body extending into the vagina, avoids the phenomenon of side leakage caused by excessive menstrual blood flowing on the surface of the skin-friendly surface layer, and improves the absorption efficiency and absorption performance of the sanitary napkin by dispersing and guiding the menstrual blood absorbed by the three-dimensional absorbent body into the absorbent core body through the connecting line. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a sectional view of a sanitary napkin with a three-dimensional absorption structure.

[0016] Figure 2 is a structural schematic view of a sanitary napkin with a three-dimensional absorption structure.

[0017] Figure 3It is a sectional view of a second embodiment of a sanitary napkin with a three-dimensional absorbent structure.

[0018] Figure 4 It is a structural schematic view of a second embodiment of a sanitary napkin with a three-dimensional absorbent structure.

[0019] Wherein: 1-layered absorbent, 11-skin-friendly surface layer, 12-absorbent core, 121-flow guide layer, 122-absorption layer, 123-diffusion layer, 13-leakage-proof bottom layer, 14-three-dimensional containment, 15-flap, 16-adhesive layer, 2-three-dimensional absorbent, 21-connection line, 22-wrapping layer, 23-flow guide groove. DETAILED DESCRIPTION

[0020] The embodiments of the present application are described below in conjunction with the accompanying drawings and related embodiments, and the embodiments of the present application are not limited to the following examples, and the present application relates to related necessary components in the technical field, which should be regarded as known technology in the technical field and can be known and mastered by the skilled in the art.

[0021] As shown in Figure 1 , 2 , a sanitary napkin with a three-dimensional absorbent structure comprises a layered absorbent 1 and a three-dimensional absorbent 2, the layered absorbent 1 is composed of a skin-friendly surface layer 11, an absorbent core 12 and a leakage-proof bottom layer 13 from top to bottom, the absorbent core 12 is composed of a flow guide layer 121, an absorption layer 122 and a diffusion layer 123 from top to bottom; the three-dimensional absorbent 2 is arranged at the top of the layered absorbent 1 and extends upward, and the three-dimensional absorbent 2 is provided with a connection line 21 extending to the surface of the absorbent core 12.

[0022] The sanitary napkin of the present application is used for absorbing menstrual blood and other secretions discharged by women during menstruation, and the structure of the layered absorbent 1 is close to that of a common sanitary napkin, wherein the skin-friendly surface layer 11 directly contacts the human body, the skin-friendly surface layer 11 is selected from one of spunlace non-woven fabric and hot air non-woven fabric, so as to improve the dryness and comfort of the surface of the layered absorbent 1; the absorbent core 12 is composed of two layers of non-woven fabric wrapping absorbent material, the absorbent material is selected from one or a mixture of two of fluff pulp and water-absorbing resin, the absorbent core 12 absorbs menstrual blood and other secretions through the internal absorbent material, and keeps the surface of the skin-friendly surface layer 11 dry; the leakage-proof bottom layer 13 is preferably a waterproof and breathable film, the surface of the waterproof and breathable film forms a plurality of micropore structures which are breathable but not water-permeable during the forming process, the micropore structures enable the inside of the layered absorbent 1 to be in air communication with the outside, thereby improving the air permeability of the layered absorbent 1, and the leakage-proof bottom layer 13 can also prevent the liquid absorbed by the absorbent core 12 from penetrating to the outside of the layered absorbent 1, so as to ensure the cleanliness of underpants and other clothes.

[0023] After the above structure, it needs to be further explained that the absorbent core 12 is composed of a flow guide layer 121, an absorbent layer 122 and a diffusion layer 123. The flow guide layer 121 is preferably hot air non-woven fabric. The hot air non-woven fabric is fluffy, soft and breathable, which can improve the comfort of the layered absorbent body 1. In addition, it has good hydrophilicity, and liquid can quickly penetrate into the absorbent layer 122 through the flow guide layer 121 and be absorbed; the absorbent layer 122 is preferably a mixture of fluff pulp and water-absorbing resin. The fluff pulp is soft and comfortable and has good water absorption, while the water-absorbing resin has high water absorption and water retention. The liquid that penetrates into the absorbent layer 122 through the flow guide layer 121 can be quickly absorbed and locked, improving the absorption performance of the layered absorbent body 1 and preventing liquid backflow; the diffusion layer 123 is preferably dust-free paper. The dust-free paper has strong water absorption and good breathability. The use of dust-free paper for the diffusion layer 123 is beneficial to the absorption and diffusion of liquid. The diffusion layer 123 improves the diffusion range of the liquid that penetrates into the bottom of the absorbent core 12, increases the contact area of the liquid with the absorbent layer 122, and thus improves the absorption efficiency of the absorbent core 12.

[0024] The three-dimensional absorbent body 2 is made of cotton fiber and polyester fiber, has good hydrophilicity and water absorption, and has a cylindrical shape with a circular arc at the top. The three-dimensional absorbent body 2 is located at the center of the top of the layered absorbent body 1 and can be fixedly connected to the layered absorbent body 1 by a plurality of connecting lines 21. The three-dimensional absorbent body 2 penetrates the skin-friendly surface layer 11 and extends to the top of the absorbent layer 122. The bottom of the three-dimensional absorbent body 2 is fixedly connected to the top of the absorbent core 12. During use of the sanitary napkin, the three-dimensional absorbent body 2 extends to the female vaginal orifice or is placed at a certain depth inside the vagina. When menstrual blood and other secretions are discharged from the vagina, they will first come into contact with the three-dimensional absorbent body 2, which will absorb them into its interior. The connecting lines 21 are preferably made of hollow fibers, special cross-section fibers or other fibers with high capillary effect. After being processed into connecting lines 21 through combing and twisting, the connecting lines 21 have high capillary effect. The connecting lines 21 can disperse and guide the liquid in the three-dimensional absorbent body 2 to the absorbent core 12, preventing the liquid from concentrating in the three-dimensional absorbent body 2 and improving the absorption efficiency of the sanitary napkin. The three-dimensional absorbent body 2 and the layered absorbent body 1 can simultaneously absorb liquid, which is beneficial to improving the absorption capacity of the sanitary napkin.

[0025] After the above structure, it needs to be further explained that the width of the layered absorbent 1 is close to the width of the common sanitary napkin, and the length is shorter, the surface shape of the layered absorbent 1 is usually square or circular, because the menstrual blood is discharged from the vagina and is absorbed and dispersed by the three-dimensional absorbent 2 at the orifice or inside the vagina and is guided to the layered absorbent 1, the menstrual blood basically does not need to flow on the surface of the skin-facing layer 11, so there is no need to worry about the menstrual blood flowing to the outside of the sanitary napkin from the front and back ends of the skin-facing layer 11, by reducing the overall length of the sanitary napkin to improve the convenience of fixing it to the underpants and the convenience when replacing it, the sanitary napkin of the utility model has high absorption efficiency and absorption performance, is mainly used in the period when the amount of menstrual blood of a woman is large and the frequency of replacing the sanitary napkin is high, has high absorption efficiency and absorption performance to avoid side leakage or seepage of the menstrual blood.

[0026] As shown in Figure 3 , as a second preferred embodiment of the utility model, the connecting lines 21 are provided with a plurality of lines, the ends of the plurality of connecting lines 21 extend towards the top edge of the absorption core 12, and the other ends extend towards the top of the three-dimensional absorbent 2; the top of the connecting line 21 extends to the top of the three-dimensional absorbent 2, which can improve the flow guiding effect, and the three-dimensional absorbent 2 can guide the menstrual blood to the absorption core 12 through the connecting line 21 regardless of the position of the menstrual blood, and the ends of the plurality of connecting lines 21 are uniformly dispersed at positions close to the edge of the absorption core 12, which is beneficial to more evenly guiding the menstrual blood to the absorption core 12, avoids the menstrual blood being too concentrated in the absorption core 12, and improves the absorption efficiency of the absorption core 12.

[0027] As shown in Figure 3 , 4 , as a second preferred embodiment of the utility model, the surface of the three-dimensional absorbent 2 is wrapped with a wrapping layer 22, and the surface of the wrapping layer 22 is provided with a plurality of flow guiding grooves 23 extending from the top of the three-dimensional absorbent 2 to the surface of the skin-facing layer 11; the wrapping layer 22 is preferably a spunlace non-woven fabric, which improves the comfort of the surface of the three-dimensional absorbent 2, the flow guiding grooves 23 can increase the surface area of the wrapping layer 22, thereby improving the efficiency of the wrapping layer 22 in absorbing the menstrual blood into the inside of the three-dimensional absorbent 2, in addition, when the amount of menstrual blood is large, the menstrual blood can be guided to the layered absorbent 1 through the flow guiding grooves 23, so that the three-dimensional absorbent 2 and the layered absorbent 1 simultaneously absorb the menstrual blood to improve the absorption efficiency, and avoid the menstrual blood accumulating inside the vagina.

[0028] As shown in Figure 3 , 4 , as a second preferred embodiment of the utility model, the outer diameter of the three-dimensional absorbent 2 gradually increases from the top to the bottom, the three-dimensional absorbent 2 with the structure can better fit the human vulva, reduce the foreign body sensation during use, improve the comfort, and make the three-dimensional absorbent 2 more easily enter the vagina.

[0029] As shown in Figure 3 ,4 As shown in the second preferred embodiment of the utility model, the skin-friendly surface layer 11 is provided with a three-dimensional protective ring 14 at the top, the three-dimensional protective ring 14 is arranged along the top edge of the skin-friendly surface layer 11 and connected at the head and tail, the three-dimensional protective ring 14 is preferably waterproof non-woven fabric, the three-dimensional protective ring 14 does not affect the flatness of the surface of the layered absorbent 1, ensures the comfort of the sanitary napkin, and when the amount of menstrual blood is large, part of the menstrual blood will flow on the surface of the skin-friendly surface layer 11, when the menstrual blood flows to the edge of the skin-friendly surface layer 11, the three-dimensional protective ring 14 can block the menstrual blood from flowing continuously, thereby achieving the effect of preventing side leakage.

[0030] As shown in the second preferred embodiment of the utility model, Figure 3 , 4 As shown in the second preferred embodiment of the utility model, the leakage-proof bottom layer 13 extends outward on both sides of the layered absorbent 1 and forms a protective wing 15, the bottom of the protective wing 15 and the bottom of the leakage-proof bottom layer 13 are both provided with an adhesive layer 16, the adhesive layer 16 is preferably a dry adhesive, the surface of which is usually covered with a release paper, before using the sanitary napkin, the release paper is peeled off, the adhesive layer 16 at the bottom of the leakage-proof bottom layer 13 is adhered to the inside of the underpants, then the protective wing 15 is folded and adhered to the outside of the underpants through the adhesive layer 16, thereby fixing the sanitary napkin to the underpants.

[0031] In summary, the sanitary napkin of the utility model absorbs the menstrual blood through the three-dimensional absorbent 2 extending into the vagina, avoids the phenomenon of side leakage caused by excessive menstrual blood flowing on the surface of the skin-friendly surface layer 11, and improves the absorption efficiency and absorption performance of the sanitary napkin by dispersing and guiding the menstrual blood to the absorbent core 12 through the connecting line 21 after the three-dimensional absorbent 2 absorbs the menstrual blood to the inside, and the coverage area of the layered absorbent 1 is small, which can reduce the stuffy feeling during use and improve the comfort, the sanitary napkin of the utility model is suitable for use during the period when the amount of menstrual blood is large and the frequency of changing sanitary napkins is high, and has high convenience during use or replacement.

[0032] The above is only the preferred embodiment of the utility model, it should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the utility model.

Claims

1. A sanitary napkin with a three-dimensional absorbent structure comprising a layered absorbent body (1), a three-dimensional absorbent body (2), characterized in that, The layered absorbent body (1) is composed of a skin-friendly surface layer (11), an absorbent core (12), and a leakage-proof bottom layer (13) from top to bottom, and the absorbent core (12) is composed of a flow guide layer (121), an absorbent layer (122), and a diffusion layer (123) from top to bottom. The three-dimensional absorbent body (2) is arranged at the top of the layered absorbent body (1) and extends upward, and the bottom of the three-dimensional absorbent body (2) is provided with a connecting line (21) extending to the surface of the absorbent core (12).

2. The sanitary napkin of Claim 1 wherein, The connecting line (21) is provided with a plurality of connecting lines (21), and the ends of the connecting lines (21) extend toward the top edge of the absorbent core (12), and the other ends extend toward the top of the three-dimensional absorbent body (2).

3. The sanitary napkin of Claim 1 wherein, The surface of the three-dimensional absorbent body (2) is wrapped with a wrapping layer (22), and the surface of the wrapping layer (22) is provided with a plurality of flow guide grooves (23) extending from the top of the three-dimensional absorbent body (2) to the surface of the skin-friendly surface layer (11).

4. The sanitary napkin of Claim 1 wherein, The three-dimensional absorbent body (2) is located at the top center of the layered absorbent body (1), penetrates the skin-friendly surface layer (11), and extends to the top of the absorbent layer (122), and the bottom of the three-dimensional absorbent body (2) is fixedly connected with the top of the absorbent core (12).

5. The sanitary napkin of Claim 1 wherein, The outer diameter of the three-dimensional absorbent body (2) gradually increases from the top to the bottom.

6. The sanitary napkin of Claim 1 wherein, The top of the skin-friendly surface layer (11) is provided with a three-dimensional containment (14), the three-dimensional containment (14) is arranged along the top edge of the skin-friendly surface layer (11) and connected end to end.

7. The sanitary napkin of Claim 1 wherein, The leakage-proof bottom layer (13) extends outward on both sides of the layered absorbent body (1) and forms a wing (15), and the bottom of the wing (15) and the bottom of the leakage-proof bottom layer (13) are both provided with an adhesive layer (16).

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