CN205073137U - Sanitary napkin - Google Patents

Abstract

The utility model discloses a sanitary napkin has solved the current slow and big problem of moisture of sanitary napkin infiltration, and its technical scheme main points are including surface course, sandwich layer and basement membrane, the sandwich layer is located between surface course and the basement membrane, be provided with the guiding gutter on the surface course, the guiding gutter forms a leak protection portion on the surface course, be provided with a plurality of back taper holes in the leak protection portion, the back taper hole is run through the surface course and is communicate with the sandwich layer, and it is fast to have reached the infiltration rate, and the lock waterborne can be good, reduces the effect that anti - milliosmolarity and moisture are little.

Description

sanitary napkin

technical field

The utility model relates to the field of sanitary products, in particular to a sanitary napkin.

Background technique

Sanitary napkins are one of the common sanitary products in women's daily life. With the development of the times, consumers' concept of using sanitary napkins is also constantly changing. In addition to requiring sanitary napkins to meet the basic functions of comfortable use and good absorption In addition, the requirements for the leak-proof performance of sanitary napkins are getting higher and higher. Women's menstrual period is the most sensitive and vulnerable period, and their resistance is low, especially in the hot and humid season. When women's menstruation comes, they will feel more stuffy and humid in the genitals, and the moisture will gather. In such an environment, bacteria are most likely to breed and cause health problems.

The Chinese patent application number 201320719842.3 discloses a three-dimensional leak-proof sanitary napkin, which includes a main body of the sanitary napkin, anti-repeat holes evenly distributed on the surface layer, and the anti-repeat holes are inverted tapered holes; two holes in the width direction of the absorber There is an anti-leakage wall on the side. The anti-leakage wall is made of non-woven fabric or woven fabric rolled into a hollow back-shaped structure. The lower surface of the anti-leakage wall is connected with the inner surface of the bottom film. The absorbent body is connected; the two ends of the absorbent body in the length direction are respectively provided with two front and rear leak-proof bodies. The front and rear leak-proof bodies are both arc-shaped structures bent toward the center of the sanitary napkin body. The two ends of the sanitary napkin are respectively connected to the corresponding leak-proof walls; a plurality of suction guide grooves arranged along the length of the main body of the sanitary napkin are also arranged between the front and rear leak-proof bodies. The anti-leakage wall and the front and rear anti-leakage bodies form a circle of three-dimensional protection, which can effectively prevent side leakage and front and rear leakage of menstrual blood, and realize all-round anti-leakage.

The above-mentioned patent achieves the feature of preventing menstrual blood rewet by setting inverted cone-shaped anti-rewet holes on the surface layer. However, the anti-repeat holes are only set on the surface layer, which only speeds up the absorption speed from the surface layer to the cotton core. The main absorption function of the sanitary napkin is the polymer in the cotton core layer wrapped by the backing paper, so the anti-rewet hole in the above patent is not very obvious to improve the penetration effect, and it is easy to generate moisture on the surface layer At the same time, the anti-repeat holes are all over the surface layer, which makes it easy for the moisture generated in the cotton core that absorbs menstrual blood to contact the skin through the anti-repeat holes, causing bacteria to breed.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of the utility model is to provide a sanitary napkin, which solves the problems of slow penetration and high humidity in the existing sanitary napkins.

In order to achieve the above object, the utility model provides the following technical solutions: a sanitary napkin, comprising a surface layer, a core layer and a bottom film, the core layer is arranged between the surface layer and the bottom film, and the feature is that the surface layer A diversion groove is arranged on the layer, and the diversion groove forms a leak-proof part on the surface layer, and a number of inverted tapered holes are arranged on the leak-proof part, and the inverted tapered holes penetrate the surface layer and connect with the core layer. connected.

The utility model is further configured as follows: an adhesive layer is arranged between the surface layer, the core layer and the bottom film, and the inverted tapered hole runs through the core layer.

The utility model is further set as: the apex of the inverted tapered hole is located on the adhesive layer between the core layer and the bottom film.

The utility model is further configured as follows: the inverted tapered holes are evenly arranged on the leak-proof part.

The utility model is further set as: the distance between any two adjacent inverted tapered holes is equal.

The utility model is further configured as: the core layer is wrapped with a layer of toilet paper.

The utility model is further configured as follows: both sides of the bottom film are bonded with non-woven fabric edge seals, and the two non-woven fabric edge seals form leak-proof frills on both sides of the surface layer.

The utility model is further configured as follows: the surface layer includes a surface layer non-woven fabric and a flow-guiding layer non-woven fabric, and the flow-guiding layer non-woven fabric is located between the surface layer non-woven fabric and the core layer.

The utility model is further configured as follows: the non-woven fabric on the surface layer and the non-woven fabric on the diversion layer are bonded through an adhesive layer.

In summary, the sanitary napkin of the present utility model is provided with several inverted tapered holes on the leak-proof part to speed up menstrual blood penetration into the core layer, and the inverted tapered holes also form tapered holes on the core layer, which increases the menstrual blood and core layer. The contact area between the layers makes the absorption effect of the core layer better; at the same time, since the sanitary napkins on the market are equipped with diversion grooves to prevent side leakage of menstrual blood, the inverted tapered hole only needs to be set on the leak-proof part That is, if an inverted tapered hole is provided outside the leak-proof part, the moisture generated in the cotton core that has absorbed menstrual blood will easily contact the skin through the inverted tapered hole outside the leak-proof part, which will affect the comfort of use and easily cause bacteria Breeding; In addition, the inverted conical setting not only ensures the absorption effect, but also ensures the water-locking performance of the core layer and reduces menstrual blood seepage.

Description of drawings

Fig. 1 is the front view of sanitary napkin;

FIG. 2 is a schematic cross-sectional view of A-A in FIG. 1 .

Reference signs: 1. Edge banding of non-woven fabric; 2. Surface non-woven fabric; 21. Diversion groove; 22. Leak-proof part; 3. Toilet paper; 4. Core layer; 5. Base film; 6. Release paper ; 7. Inverted tapered hole; 8. Adhesive layer; 9. Non-woven fabric for the diversion layer.

detailed description

The utility model is described further with reference to Fig. 1 to Fig. 2.

As shown in Figure 2 is a kind of embodiment of the utility model sanitary napkin, it comprises surface layer, core layer 4 and base film 5, core layer 4 is located between surface layer and base film 5, surface layer, core layer 4 Between the base film 5 and the base film 5 are provided adhesive layers 8, which are bonded in pairs by the adhesive layers 8. The core layer 4 is provided with a polymer cotton core inside, and a layer of toilet paper 3 is wrapped outside the core layer 4.

Since the surface layer needs to have good air permeability, water permeability and moisture-proof functions, and the surface layer is in direct contact with the skin, it needs to have good comfort, so the surface layer is also required to be soft and non-toxic, so the surface layer is made of non-woven fabrics. Made of non-woven fabrics, while meeting the above requirements, it also has the advantages of antibacterial, chemical resistance, environmental protection, non-irritating, and low price.

Wherein, above-mentioned surface layer comprises surface layer nonwoven fabric 2 and flow guide layer nonwoven fabric 9, flow guide layer nonwoven fabric 9 is positioned between surface layer nonwoven fabric 2 and core layer 4, surface layer nonwoven fabric 2 and flow guide layer nonwoven fabric The spun cloths 9 are bonded by the adhesive layer 8 . As shown in Figure 1, diversion grooves 21 are provided on the surface layer, and the diversion grooves 21 are set to six, and the six diversion grooves 21 form a ring-shaped leak-proof part 22 on the surface layer. The portion 22 is provided with several inverted tapered holes 7, the inverted tapered holes 7 penetrate the surface layer and communicate with the core layer 4, and the inverted tapered holes 7 penetrate the core layer 4, and the apexes of the inverted tapered holes 7 are located between the core layer 4 and the core layer 4. On the adhesive layer 8 between the base film 5, this makes the inverted tapered hole 7 not damage the base film 5 and will not cause menstrual blood to lead to the base film 5, avoiding the problem of degumming between the base film 5 and the cotton core during the production process.

The above-mentioned structure pierces the surface layer and the core layer 4 through the inverted cone-shaped hole 7, so that the menstrual blood can directly contact the cotton core wrapped by the toilet paper 3 and the polymer in the cotton core through the inverted cone-shaped hole 7, so that the menstrual blood can pass through the inverted cone. Shaped hole 7 can be quickly absorbed and locked by the macromolecule in the cotton core.

As shown in FIG. 1 , the inverted tapered holes 7 are uniformly arranged on the leak-proof portion 22 , and the distance between any two adjacent inverted tapered holes 7 is equal. The inverted tapered hole 7 in the utility model is formed by puncturing through a puncture column during the production process. Lead to hole shape deformation or puncture hole closure and other phenomena.

Both sides of the base film 5 are bonded with non-woven fabric edge banding 1, and the two non-woven fabric edge bands 1 form leak-proof frills on both sides of the surface layer; 8 is provided with one deck release paper 6 outside.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (9)

1. A sanitary napkin, comprising a surface layer, a core layer and a bottom film, the core layer is arranged between the surface layer and the bottom film, it is characterized in that: the surface layer is provided with a diversion groove, and the flow diversion The groove forms an anti-leakage part on the surface layer, and the anti-leakage part is provided with a plurality of inverted tapered holes, and the inverted tapered holes penetrate the surface layer and communicate with the core layer. 2. The sanitary napkin according to claim 1, characterized in that: an adhesive layer is arranged between the surface layer, the core layer and the bottom film, and the inverted tapered hole runs through the core layer. 3. The sanitary napkin according to claim 2, characterized in that: the apex of the inverted tapered hole is located on the adhesive layer between the core layer and the bottom film. 4. The sanitary napkin according to claim 3, characterized in that: the inverted tapered holes are uniformly arranged on the leak-proof part. 5. The sanitary napkin according to claim 4, wherein the distance between any two adjacent inverted tapered holes is equal. 6. The sanitary napkin according to claim 2, characterized in that: the core layer is wrapped with a layer of toilet paper. 7. The sanitary napkin according to claim 2, characterized in that: both sides of the bottom film are bonded with non-woven edge banding, and the two non-woven edge bands form leak-proof frills on both sides of the surface layer . 8. The sanitary napkin according to claim 1, characterized in that: the surface layer comprises a surface non-woven fabric and a flow-guiding layer non-woven fabric, and the flow-guiding layer non-woven fabric is located between the surface non-woven fabric and the core layer. between. 9. The sanitary napkin according to claim 8, characterized in that: the surface layer non-woven fabric and the flow-guiding layer non-woven fabric are bonded by an adhesive layer.