Special-shaped leakage-proof sanitary towel

Abstract

The utility model relates to the field of disposable hygienic products, in particular to a special-shaped leakage-proof sanitary napkin, which mainly solves the problem that the sanitary napkin in the prior art is poor in side leakage and rear leakage prevention effect, and comprises a sanitary napkin body, and the sanitary napkin body comprises an absorption main body and protective wings. The absorption main body comprises a liquid-permeable surface layer, an absorption core layer and a liquid-tight bottom layer, the two transverse sides of the longitudinal middle of the liquid-tight bottom layer protrude outwards to form first extension parts, the two transverse sides of the longitudinal end of the liquid-tight bottom layer protrude outwards to form second extension parts, and the absorption core layer is arranged on the liquid-tight bottom layer and laid on the second extension parts; the liquid-permeable surface layer is arranged on the absorption core layer and laid on the first extension part and the second extension part, so that the liquid-impermeable bottom layer and the liquid-permeable surface layer at the first extension part form a protection wing, a hot-pressing edge sealing strip is arranged on the peripheral edge of the sanitary towel body, a first annular groove is formed in the upper surface of the absorption main body in a hot-pressing mode, and a second annular groove is formed in the lower surface of the absorption main body. A second annular groove is hot-pressed in the upper surface of the absorption body.

Description

Technical Field

[0001] The utility model relates to the field of disposable sanitary products, in particular to a special-shaped anti-leakage sanitary napkin. Background Art

[0002] Sanitary napkins are used to absorb menstrual blood flowing out of the vagina during a woman's menstrual period, reducing the risk of menstrual blood staining underwear and close-fitting clothes. The main materials of sanitary napkins are cotton, non-woven fabric, pulp, or high molecular polymers and high molecular polymer composite papers formed by the above materials. However, the absorption layer inside the existing sanitary napkins is mostly of a flat structure, which cannot concentrate the absorption of menstrual blood in the middle position of the sanitary napkin. At the same time, during use, it often deforms due to external forces, and thus it is prone to side leakage, which not only stains women's clothes, but also reduces the comfort during the use of sanitary napkins.

[0003] Chinese Patent Application No.: 202222918045.X discloses a three-dimensional hanging core anti-side leakage sanitary napkin, which includes a sanitary napkin body and wings. The sanitary napkin body successively includes a surface layer, a penetration layer, an absorption core body, a dust-free wrapping layer, a breathable bottom film, and a release paper from top to bottom. Adhesive strips are arranged at the left and right ends of the bottom of the breathable bottom film. Auxiliary absorption layers are arranged on the left and right sides of the absorption core body. The surface layer includes milk fiber and chitin fiber. An anti-leakage edge strip is arranged at the top of the surface layer. Flow-blocking strips are arranged at the left and right ends of the top of the surface layer. Flow-guiding grooves are arranged on the inner surface of the surface layer. Through the action of the absorption core body and the auxiliary absorption layer, the absorption range and absorption capacity of this sanitary napkin are improved. Through the action of the flow-guiding grooves, menstrual blood can be quickly drained, avoiding the accumulation of menstrual blood. Through the action of the flow-blocking strips and the anti-leakage edge strip, and with the cooperation of the wings, this sanitary napkin has a three-way anti-side leakage structure. The flow-blocking strips block, the anti-leakage edge strip intercepts, and the wings expand the area, thereby greatly improving the anti-side leakage ability of this sanitary napkin.

[0004] However, in actual use, the anti-leakage edge strip is actually used for sealing the edge, and its anti-leakage effect is very small. The effect of preventing side leakage by guiding the flow through the flow-guiding grooves and the flow-blocking strips is limited. For example, for night-use sanitary napkins, the thickness of the absorption core body is relatively large, resulting in a reduced bending effect. During actual wearing, the sanitary napkin body is nearly flat, and in the case of side sleeping, it is extremely easy to cause side leakage of the sanitary napkin. Summary of the Utility Model

[0005] Therefore, in view of the above problems, the utility model provides a special-shaped anti-leakage sanitary napkin, which mainly solves the problem of poor anti-side leakage and anti-back leakage effects of sanitary napkins in the prior art.

[0006] To achieve the above object, the utility model adopts the following technical solutions:

[0007] A special-shaped leak-proof sanitary napkin, comprising a sanitary napkin body. The longitudinal direction is defined as the direction extending along the length of the sanitary napkin body, and the transverse direction is defined as the direction extending along the width of the sanitary napkin body. The sanitary napkin body includes an absorption main body and wing parts. The absorption main body includes a liquid-permeable surface layer, an absorption core layer, and a liquid-impermeable bottom layer. On the transverse sides of the longitudinal middle part of the liquid-impermeable bottom layer, first extension parts protrude outward. On the transverse sides of one longitudinal end of the liquid-impermeable bottom layer, second extension parts protrude outward. The absorption core layer is arranged on the liquid-impermeable bottom layer and is laid on the second extension parts. The liquid-permeable surface layer is arranged on the absorption core layer and is laid on the first extension parts and the second extension parts, so that the liquid-impermeable bottom layer and the liquid-permeable surface layer at the first extension parts form wing parts. A hot-pressed sealing strip is arranged on the periphery of the sanitary napkin body. A first annular groove is hot-pressed on the upper surface of the absorption main body. A second annular groove is hot-pressed on the upper surface of the absorption main body and within the first annular groove.

[0008] Further, the wing parts have a first side edge, a second side edge, and an arc edge connecting the first side edge and the second side edge. The angle between the first side edge and the longitudinal central axis of the sanitary napkin body is an acute angle. The angle between the second side edge and the longitudinal central axis of the sanitary napkin body is an acute angle.

[0009] Further, a leak-proof area is hot-pressed at the longitudinal end of the upper surface of the absorption main body within the second annular groove. The leak-proof area has at least one closed third annular groove.

[0010] Further, both the first annular groove and the second annular groove include a plurality of linear hot-pressed strips and a plurality of flower-shaped hot-pressed blocks, and the hot-pressed strips and the hot-pressed blocks are alternately distributed in sequence.

[0011] Further, the second annular groove includes a first longitudinal groove, a second longitudinal groove, a third longitudinal groove, a fourth longitudinal groove, a first transverse groove, a second transverse groove, a third transverse groove, and a fourth transverse groove. The first longitudinal groove and the second longitudinal groove are distributed along the longitudinal direction. The third longitudinal groove and the fourth longitudinal groove are distributed along the longitudinal direction and are arranged between the first longitudinal groove and the second longitudinal groove. The first transverse groove connects the upper ends of the first longitudinal groove and the second longitudinal groove. The second transverse groove connects the upper ends of the third longitudinal groove and the fourth longitudinal groove. The third transverse groove connects the lower ends of the first longitudinal groove and the third longitudinal groove. The fourth transverse groove connects the lower ends of the second longitudinal groove and the fourth longitudinal groove.

[0012] By adopting the foregoing technical solution, the beneficial effects of the present utility model are as follows: For this special-shaped leak-proof sanitary napkin, when in use, by folding the wing outwards and attaching it to the outer surface of the underwear, and attaching the second extension area to the buttocks on one side of the human body, the absorption capacity and absorption efficiency at the rear end of the sanitary napkin body can be improved, thereby reducing the phenomenon of back leakage. In addition, the first annular groove and the second annular groove provided can improve the diversion speed of the body discharge fluid along their distribution contours, thereby improving the uniform distribution effect of the body discharge fluid in the first annular groove and the second annular groove, and reducing the outward expansion speed, further reducing the risks of side leakage and back leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a top view structural schematic diagram of an embodiment of the present utility model;

[0014] Figure 2 is Figure 1 the sectional structural schematic diagram at A-A in DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0016] An embodiment of the present utility model is as follows:

[0017] Referring to Figure 1 and Figure 2 as shown, a special-shaped leak-proof sanitary napkin includes a sanitary napkin body 1. The longitudinal direction is defined as the direction extending along the length of the sanitary napkin body 1, and the transverse direction is defined as the direction extending along the width of the sanitary napkin body 1. The sanitary napkin body 1 includes an absorption main body 2 and wings 3. The absorption main body 2 includes a liquid-permeable surface layer 21, an absorption core layer 22, and a liquid-impermeable bottom layer 23. First extensions 4 protrude outward from both sides in the transverse direction at the longitudinal middle of the liquid-impermeable bottom layer 23, and second extensions 5 protrude outward from both sides in the transverse direction at one longitudinal end of the liquid-impermeable bottom layer 23. The absorption core layer 22 is disposed on the liquid-impermeable bottom layer 23 and is laid on the second extensions 5. The liquid-permeable surface layer 21 is disposed on the absorption core layer 22 and is laid on the first extensions 4 and the second extensions 5, so that the liquid-impermeable bottom layer 23 and the liquid-permeable surface layer 21 at the first extensions 4 form wings 3. A hot-pressed sealing strip 6 is provided along the periphery of the sanitary napkin body 1. A first annular groove 7 is hot-pressed on the upper surface of the absorption main body 2, and a second annular groove 8 is hot-pressed on the upper surface of the absorption main body 2 and inside the first annular groove 7.

[0018] When in use, for this special-shaped leak-proof sanitary napkin, by folding the wing 2 outwards and attaching it to the outer surface of the underwear, and attaching the second extension part 5 area to the buttocks on one side of the human body, the absorption amount and absorption efficiency at the rear end of the sanitary napkin body 1 can be improved, thereby reducing the phenomenon of back leakage. In addition, the first annular groove 7 and the second annular groove 8 provided can improve the diversion speed of the body discharge fluid along its distribution contour, thereby improving the uniform distribution effect of the body discharge fluid in the first annular groove 7 and the second annular groove 8, and reducing the spreading speed, further reducing the risks of side leakage and back leakage.

[0019] Moreover, the wing 3 has a first side edge 31, a second side edge 32 and an arc edge 33 connecting the first side edge 31 and the second side edge 32. The included angle between the first side edge 31 and the longitudinal central axis of the sanitary napkin body 1 is an acute angle a, and the included angle between the second side edge 32 and the longitudinal central axis of the sanitary napkin body 1 is an acute angle b. After the wing 3 is folded outwards and attached to the underwear, it can be better clamped on the underwear, preventing the offset of the sanitary napkin body 1, improving the safety of use, and enhancing the aesthetic appearance of the product.

[0020] Furthermore, a leak-proof area is hot-pressed on the upper surface of the absorption main body 2 at the longitudinal end of the second annular groove 8. The leak-proof area has at least one closed third annular groove 9. Preferably, the number of the third annular grooves 9 is four. On the one hand, it can improve the aesthetic appearance of the sanitary napkin body 1, and on the other hand, it can reduce the spreading speed of the body discharge fluid, thereby reducing the risk of front leakage.

[0021] Specifically, both the first annular groove 7 and the second annular groove 8 include a plurality of hot-pressed strips 101 in a linear structure and a plurality of hot-pressed blocks 102 in a flower structure. The hot-pressed strips 101 and the hot-pressed blocks 102 are alternately distributed in sequence. The second annular groove 8 includes a first longitudinal groove 81, a second longitudinal groove 82, a third longitudinal groove 83, a fourth longitudinal groove 84, a first transverse groove 85, a second transverse groove 86, a third transverse groove 87 and a fourth transverse groove 88. The first longitudinal groove 81 and the second longitudinal groove 82 are distributed in the longitudinal direction. The third longitudinal groove 83 and the fourth longitudinal groove 84 are distributed in the longitudinal direction and are arranged between the first longitudinal groove 81 and the second longitudinal groove 82. The first transverse groove 85 connects the upper ends of the first longitudinal groove 81 and the second longitudinal groove 82. The second transverse groove 86 connects the upper ends of the third longitudinal groove 83 and the fourth longitudinal groove 84. The third transverse groove 87 connects the lower ends of the first longitudinal groove 81 and the third longitudinal groove 83. The fourth transverse groove 88 connects the lower ends of the second longitudinal groove 82 and the fourth longitudinal groove 84.

[0022] When in use, the body discharge fluid can quickly ooze out through the hot-pressed blocks 102 and slowly ooze out through the hot-pressed strips 101. In this way, the oozing flow path of the body discharge fluid can be controlled. In addition, the structure of the second annular groove 8 provided can increase the contact between the second annular groove 8 and the outer area, thereby reducing the risk of side leakage.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0024] In the present invention, unless otherwise clearly specified and defined, terms such as "provided on", "installed", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0026] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes in form and details may be made to the present invention without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. An irregular leak-proof sanitary napkin, characterized in that: It includes a sanitary napkin body. The length direction of the sanitary napkin body is defined as the longitudinal direction, and the width direction of the sanitary napkin body is defined as the transverse direction. The sanitary napkin body includes an absorption main body and wing parts. The absorption main body includes a liquid-permeable surface layer, an absorption core layer, and a liquid-impermeable bottom layer. On the transverse two sides of the longitudinal middle part of the liquid-impermeable bottom layer, first extension parts protrude outwards. On the transverse two sides of one longitudinal end of the liquid-impermeable bottom layer, second extension parts protrude outwards. The absorption core layer is arranged on the liquid-impermeable bottom layer and is laid on the second extension parts. The liquid-permeable surface layer is arranged on the absorption core layer and is laid on the first extension parts and the second extension parts, so that the liquid-impermeable bottom layer and the liquid-permeable surface layer at the first extension parts form wing parts. A hot-pressed sealing strip is arranged on the periphery of the sanitary napkin body. A first annular groove is hot-pressed on the upper surface of the absorption main body. A second annular groove is hot-pressed on the upper surface of the absorption main body and is located within the first annular groove.

2. The special-shaped leak-proof sanitary napkin according to claim 1, wherein: The wing part has a first side edge, a second side edge, and an arc edge connecting the first side edge and the second side edge. The included angle between the first side edge and the longitudinal central axis of the sanitary napkin body is an acute angle. The included angle between the second side edge and the longitudinal central axis of the sanitary napkin body is an acute angle.

3. The special-shaped leak-proof sanitary napkin according to claim 1, characterized in that: A leakage prevention area is hot-pressed at the longitudinal one end of the upper surface of the absorption main body where the second annular groove is located. The leakage prevention area has at least one closed third annular groove.

4. The special-shaped leak-proof sanitary napkin according to any one of claims 1 to 3, characterized in that: Both the first annular groove and the second annular groove include a plurality of hot-pressed strips in a linear structure and a plurality of hot-pressed blocks in a flower structure. Each of the hot-pressed strips and the hot-pressed blocks is distributed alternately in sequence.

5. The special-shaped leak-proof sanitary napkin according to claim 4, characterized in that: The second annular groove includes a first longitudinal groove, a second longitudinal groove, a third longitudinal groove, a fourth longitudinal groove, a first transverse groove, a second transverse groove, a third transverse groove, and a fourth transverse groove. The first longitudinal groove and the second longitudinal groove are distributed along the longitudinal direction. The third longitudinal groove and the fourth longitudinal groove are distributed along the longitudinal direction and are arranged between the first longitudinal groove and the second longitudinal groove. The first transverse groove connects the upper ends of the first longitudinal groove and the second longitudinal groove. The second transverse groove connects the upper ends of the third longitudinal groove and the fourth longitudinal groove. The third transverse groove connects the lower ends of the first longitudinal groove and the third longitudinal groove. The fourth transverse groove connects the lower ends of the second longitudinal groove and the fourth longitudinal groove.

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