CN217853614U - Sanitary trousers - Google Patents

Abstract

The utility model provides a sanitary pants, including preceding waist, back waist and absorber, the both ends of absorber with preceding waist with back waist links together, its characterized in that: both ends of the back waist part are provided with adhesive tapes; the corresponding positions of the two ends of the front waist part are provided with adhesive surfaces matched with the adhesive tapes; the absorber comprises a liquid-permeable surface layer, an absorbing core body and a breathable basement membrane from top to bottom in sequence; the liquid-permeable surface layer is of a concave-convex three-dimensional structure; the absorbent core comprises a first absorbent core and a second absorbent core; the first absorbent core has an area greater than the area of the second absorbent core; the second absorbent core is located at a central position of the first absorbent core. The utility model provides a sanitary pants imbibition is fast, dry and comfortable nature is good, the comfort level is high and conveniently wear to take off.

Description

Sanitary trousers

Technical Field

The utility model relates to the technical field of sanitary products, in particular to sanitary pants.

Background

The common feminine hygiene products in the existing market, namely sanitary napkins, are mainly used for absorption of menstrual blood of women and daily care, and although the sanitary napkins are convenient to use, the problems of limited activity, poor safety, easy occurrence of side leakage and back leakage and the like exist. The sanitary pants are a combination of the sanitary towel and the underpants, while the prior various sanitary pants are in an integrated structure like the underpants, the front waist and the rear waist are bonded together, if the sanitary pants are required to be replaced, the outer pants are required to be completely removed, and the use is very inconvenient; in addition, the existing sanitary pants have poor fitness with the body, and can not ensure that liquid is absorbed by the sanitary pants in time; moreover, the sanitary pants have larger absorption layer thickness and poorer liquid absorption performance, and can lead a user to feel sultriness and airtight after being worn for a long time, and the surface layer has poorer dryness and comfort. Therefore, in order to solve the above problems, there is a need for sanitary pants which have good liquid-absorbing performance, good dryness, good fit to the human body, and easy wearing and taking off.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a pair of sanitary trousers which has fast imbibition speed, good dryness, comfort and ventilation and is convenient to put on and take off.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a sanitary pants, includes preceding waist, back waist and absorber, the both ends of absorber with preceding waist with back waist links together its characterized in that:

both ends of the back waist part are provided with adhesive tapes; the corresponding positions of the two ends of the front waist part are provided with adhesive surfaces matched with the adhesive tapes; the absorber comprises a liquid-permeable surface layer, an absorbing core body and a breathable basement membrane from top to bottom in sequence; the liquid-permeable surface layer is of a concave-convex three-dimensional structure;

the absorbent core comprises a first absorbent core and a second absorbent core; the first absorbent core has an area greater than an area of the second absorbent core; the second absorbent core is located at a central position of the first absorbent core.

Preferably, the adhesive tape is made of adhesive non-woven fabrics, and the adhesive surface is made of non-adhesive non-woven paper;

the length of the adhesive tape is 4-8 cm, and the width of the adhesive tape is 3-5 cm.

The length of the pasting surface is 4-8 cm, and the width is 3-5 cm.

Preferably, the concavo-convex three-dimensional structure comprises a plurality of convex parts and a plurality of concave parts, and the convex parts and the concave parts are alternately and smoothly connected in a transition manner; more preferably, the concave parts are provided with flow guide holes.

Preferably, the diversion holes are circular or oval; the aperture of the diversion hole is 1-5 mm.

Preferably, the first absorbent core is 1 to 5 layers and the second absorbent core is 1 to 4 layers;

the first absorbent cores and the second absorbent cores are arranged alternately, and more preferably, the second absorbent cores are positioned between the first absorbent cores.

Preferably, the cross-sectional shape of the second absorbent core is rectangular, square, dumbbell, or oval.

Preferably, the second absorbent core is provided with lower seepage holes, and the lower seepage holes penetrate through the second absorbent core.

Preferably, the distribution density of the lower infiltration holes is 2000-40000 per m ² (ii) a The aperture of the lower seepage hole is 1-5 mm.

Preferably, the first absorption core is provided with a strip-shaped flow-blocking groove; the strip-shaped flow blocking grooves are arranged on two sides of the first absorption core in the width direction; the shape of the strip-shaped flow-blocking groove is at least one selected from arc, rectangle or wave.

Preferably, the two sides of the liquid-permeable surface layer are provided with three-dimensional barriers higher than the liquid-permeable surface layer.

Preferably, the front waist part and the rear waist part are both formed by compounding an air-permeable basement membrane and non-woven fabrics; more preferably, spandex filaments are laid between the breathable basement membrane and the non-woven fabric.

Compared with the prior art, the utility model at least have following beneficial effect:

(1) The utility model is provided with the pasting surface and the pasting belt respectively at the front waist part and the rear waist part, when in use, the pasting belt at the rear waist part is pasted to the pasting surface at the corresponding position of the front waist part, thereby the front waist part and the rear waist part are connected together, the bonding of the strip-shaped thread gluing is firm and is not easy to drop, and the change is convenient, and the outer trousers are not required to be taken off;

(2) The liquid permeable surface layer of the utility model is a concave-convex three-dimensional structure, the concave-convex three-dimensional structure comprises a plurality of convex parts and a plurality of concave parts, the convex parts and the concave parts are alternately and smoothly connected in a transition way, and the concave parts are provided with the diversion holes, on one hand, the structure can increase the air permeability when the human body contacts with the surface layer, so that the human body is comfortable to wear and is not sultry; on the other hand, the infiltration speed of the liquid can be accelerated, and the dryness of the liquid-permeable surface layer is increased;

(3) The absorption core body of the utility model comprises a first absorption core and a second absorption core which are arranged alternately, and a lower seepage hole and a choke groove are arranged on the absorption core body; the absorption core body can not only improve the liquid absorption speed and the diffusion speed of the absorption body, but also effectively prevent the liquid from reverse seepage and side leakage.

Drawings

FIG. 1 is a schematic view of a pair of sanitary pants according to the present invention;

FIG. 2 is a schematic view of the structure of the absorbent body of the sanitary pants provided by the present invention;

FIG. 3 is a schematic view of the liquid permeable top layer of the pair of sanitary pants according to the present invention;

FIG. 4 is a schematic view of a first absorbent core of the sanitary pant of the present invention;

in the figure: 100: a front waist portion; 200: the back waist part; 300: an absorbent body; 400: a tape for attachment; 500: a sticking surface; 301: a liquid-permeable surface layer; 302: an absorbent core; 303: a breathable basement membrane; 304: three-dimensional enclosure; 3021: a first absorbent core; 3022: a second absorbent core; 3011: a boss portion; 3012: a recessed portion; 3013: a flow guide hole; 3023: strip-shaped flow blocking grooves.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention and the accompanying drawings are combined below to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

The utility model provides a pair of sanitary trousers, as shown in figure 1, including preceding waist 100, back waist 200 and absorber 300, absorber 300 is located preceding waist 100 with crotch portion position between the back waist 200, its characterized in that:

both ends of the rear waist part 200 are provided with adhesive tapes 400; the corresponding positions of both ends of the front waist part 100 are provided with adhesive surfaces 500 matched with the adhesive tape 400; in use, the front waist region 100 and the back waist region 200 can be joined together, for example, by the adhesive tape 400 and the adhesive surface 500; in order to avoid the inconvenience that the trousers need to be taken off during the change of the menstrual period trousers in the prior art, and simultaneously avoid the problems that the trousers are not firm to be pasted, easy to fall off, serious in foreign body sensation and the like when the trousers in the prior art are pasted by magic tapes, the utility model discloses respectively set the pasting belts and the pasting surfaces at the rear waist part and the front waist part of the sanitary trousers, and particularly set the pasting belts at the two ends of the rear waist part as sticky non-woven fabrics, for example, glue can be sprayed at the pasting belt parts at the two ends of the inner surface or the outer surface of the rear waist part to make the sticking belts have stickiness, the utility model discloses preferably set the non-woven fabrics at the two ends of the inner surface of the rear waist part as sticky non-woven fabrics, and the pasting surfaces at the corresponding positions at the two ends of the front waist part are non-woven fabrics without stickiness; in the unused state, release paper is compounded on the sticky non-woven fabrics at the two ends of the back waist part; when the adhesive non-woven fabric is used, the release paper can be uncovered, so that the adhesive non-woven fabrics at the two ends of the back waist part are adhered to the non-adhesive non-woven fabrics at the corresponding positions of the two ends of the front waist part, and the front waist part and the back waist part are connected together. Meanwhile, in order to further increase the adjustability of the sanitary pants, the adhesive area of the adhesive tape includes, but is not limited to, the adhesive surface, and may be a front waist area other than the adhesive surface, so that the front waist area and the rear waist area are connected together.

As shown in fig. 2, the absorbent body 300 comprises a liquid-permeable top sheet 301, an absorbent core 302, and a breathable bottom sheet 303 in this order from the top; the liquid-permeable surface layer 301 has a concave-convex three-dimensional structure; the utility model sets the liquid-permeable surface layer as a concave-convex three-dimensional structure, the concave-convex three-dimensional structure can reduce the contact area with the skin of the human body, and not only can increase the air permeability and comfort of wearing the sanitary trousers; and for smooth liquid-permeable top layer, unsmooth spatial structure has increased the absorptive area on liquid-permeable top layer to a certain extent, can strengthen the absorptive property on top layer, and sunken structure not only is favorable to the circulation of gas moreover, also can act as the effect in water conservancy diversion hole, promotes that liquid oozes down the absorption core fast to further increase the dry and comfortable nature and the travelling comfort on liquid-permeable top layer.

In the present disclosure, the absorbent core 302 includes a first absorbent core 3021 and a second absorbent core 3022; the first absorbent core 3021 has an area larger than the second absorbent core 3022; the second absorbent core 3022 is positioned in the center of the first absorbent core 3021. The utility model discloses a first absorption core and second absorption core shape size to and the setting of the two position structure, can improve the utilization ratio of absorbing the core on the basis of guaranteeing the absorption performance that the absorbed layer is excellent.

According to some preferred embodiments, the adhesive tape 400 is made of an adhesive non-woven fabric, and the adhesive surface 500 is made of a non-adhesive non-woven paper;

the adhesive tape 400 has a length of 4 to 8cm (for example, 4cm, 5cm, 6cm, 7cm or 8 cm) and a width of 3 to 5cm (for example, 3cm, 3.5cm, 4cm, 4.5cm or 5 cm).

According to some preferred embodiments, the adhesive surface 500 has a length of 4 to 8cm (e.g., 4cm, 5cm, 6cm, 7cm, or 8 cm) and a width of 3 to 5cm (e.g., 3cm, 3.5cm, 4cm, 4.5cm, or 5 cm).

The utility model can not only make the sanitary trousers in the utility model suitable for people with different body types, but also enhance the firmness and adjustability of the sticking of the strip-shaped thread gluing through the setting of the length and the width of the sticking belt and the sticking surface; in the practical application process, the length and the width of the pasting surface and the pasting belt can be adjusted according to the practical requirements.

According to some preferred embodiments, as shown in fig. 3, the concavo-convex three-dimensional structure comprises a plurality of convex portions 3011 and a plurality of concave portions 3012, and the convex portions 3011 and the concave portions 3012 are alternately connected in a smooth transition manner; in the present invention, the alternative smooth transition connection means that the protruding portions 3011 and the recessed portions 3012 are alternately arranged, and the protruding portions 3011 and the recessed portions 3012 are in smooth transition connection; preferably, the recessed portion 3012 of the liquid-permeable surface layer 301 is provided with a diversion hole 3013; the diversion holes 3013 are used to guide the liquid to seep down and spread.

It should be noted that, the liquid-permeable surface layer in the present invention is at least one selected from hot air non-woven fabric, spun-bonded non-woven fabric or spunlace non-woven fabric, which is relatively soft, has good skin-friendly property and good liquid-absorbing performance, and can promote the infiltration and diffusion of liquid; for example, the single-layer nonwoven air-through fabric may be pressed into a concave-convex three-dimensional structure as a liquid-permeable top layer, or the single-layer nonwoven air-through fabric and the spunbond nonwoven fabric may be first combined and then pressed into a concave-convex three-dimensional structure as a liquid-permeable top layer, in the present invention, the grammage of the single-layer nonwoven air-through fabric is 15 to 55g/m ² The number of layers of the liquid-permeable surface layer does not exceed three layers at most.

According to some preferred embodiments, the flow-guiding holes are circular or oval; the aperture of the diversion hole is 1-5 mm (for example, 1mm, 2mm, 3mm, 4mm or 5 mm).

Meanwhile, in order to further improve the dryness and comfort of the liquid-permeable surface layer, the central angle corresponding to the convex part of the concave-convex three-dimensional structure of the liquid-permeable surface layer is smaller than the central angle corresponding to the concave part, so that the dryness and comfort of the surface layer are improved; in addition, receive the influence of gravity, a large amount of liquid can be concentrated to the depressed part on liquid-permeable top layer, consequently in order to avoid liquid to concentrate on the depressed part on top layer, consequently the utility model discloses all set up guiding gutter (as shown in fig. 3) in the depressed part on liquid-permeable top layer, the guiding gutter specifically can be circular or oval, and the aperture size of guiding gutter can influence the infiltration speed of liquid, and the too big undersize in guiding gutter aperture does not all benefit to the liquid and oozes fast, finally reduces the dry and comfortable nature on top layer.

According to some preferred embodiments, the first absorbent core is 1 to 5 layers and the second absorbent core is 1 to 4 layers;

the first absorbent core 3021 and the second absorbent core 3022 are arranged alternately, and preferably, the second absorbent core is positioned between the first absorbent cores.

The utility model discloses in, the absorption core is formed by first absorption core and the compounding of second absorption core, and first absorption core is 1 ~ 5 layers (for example, can be 1 layer, 2 layers, 3 layers, 4 layers or 5 layers), and the second absorption core is 1 ~ 4 layers (for example, can be 1 layer, 2 layers, 3 layers or 4 layers), and first absorption core and second absorption core alternate arrangement, in the utility model, as shown in figure 2, preferably with the second absorption core mix with between first absorption core to with its setting and the central point of first absorption core, not only can prevent that the second absorption core from taking place the displacement, can effectively improve the utilization ratio of absorption core on the basis of guaranteeing the absorption performance that the absorption core is excellent moreover. The utility model provides a first absorption core and second absorption core all can be super absorbent resin composite paper, and wherein, the gram weight of super absorbent resin composite paper is 50 ~ 200g/m ² (ii) a Or the first absorption core is made of high water absorption resin composite paper, and the second absorption core is made of non-woven fabric, wherein the non-woven fabric is hot air non-woven fabric or spunlace non-woven fabric, and the gram weight of the non-woven fabric is 15-60 g/m ² The utility model discloses well preferred first absorption core is super absorbent resin composite paper, and the second absorbs the core and is the non-woven fabrics, and super absorbent resin composite paper and non-woven fabrics alternate arrangement so not only can improve the absorbed layer imbibition performance, also can guarantee to absorb the compliance of core, further increases the comfort level of absorber.

According to some preferred embodiments, the cross-sectional shape of the second absorbent core 3022 is rectangular, square, dumbbell, or oval.

According to some preferred embodiments, the second absorbent core 3022 is provided with downward-penetrating holes which penetrate through the second absorbent core 3022.

According to some preferred embodiments, the distribution density of the infiltration holes is 2000 to 40000 pores/m ² (for example, it may be 2000/m ² 5000 pieces/m ² 10000 pieces/m ² 15000 pieces/m ² 20000/m ² 25000 pieces/m ² 30000 pieces/m ² 35000 pieces/m ² Or 40000 pieces/m ² ) (ii) a The diameter of the lower penetration hole is 1-5 mm (for example, 1mm, 2mm, 3mm, 4mm or 5 mm).

In the utility model, the area of the first absorption core is slightly smaller than that of the liquid-permeable surface layer, and the area of the second absorption core is smaller than that of the first absorption core, wherein the length of the second absorption core is 5-20 cm, and the width of the second absorption core is 3-10 cm; in order to further increase the imbibition performance of absorbing the core, improve the absorption rate, the utility model discloses still be equipped with down the infiltration hole on the second absorbs the core, infiltration hole evenly distributed down absorbs on the core, the utility model discloses shape to infiltration hole down does not have special requirement, for example can be circular, rectangle, square or oval, as long as guarantee down the aperture of infiltration hole can at 1 ~ 5mm, if the distribution density and the aperture of infiltration hole are too big or the undersize down, all can lead to absorbing the imbibition speed of core to slow down and/or the anti-volume of oozing increases. Meanwhile, in the utility model, when the lower infiltration hole is non-circular, the aperture of the lower infiltration hole is expressed by the aperture of the inscribed circle of the shape of the lower infiltration hole.

According to some preferred embodiments, as shown in fig. 4, the first absorbent core 3021 is provided with stripe-shaped flow-blocking grooves 3023; the strip-shaped choke grooves 3023 are arranged on both sides of the first absorption core 3021 in the width direction; the strip-shaped water blocking groove 3023 has at least one of an arc shape, a rectangular shape, and a wave shape.

In order to prevent the liquid in the absorption core from side leakage, the utility model discloses still set up strip resistance groove (as shown in fig. 4) in the width direction's of first absorption core both sides, strip resistance groove can run through the absorption core, also can not run through the absorption core, and when strip resistance groove did not run through the absorption core, the degree of depth of strip resistance groove was 30 ~ 80% of absorption core thickness; and simultaneously, the utility model discloses in, can be in the number of the bar choked flow groove of the width direction's of absorption core both sides can be for 1 or 2, the shape in bar choked flow groove can be arc, rectangle or wave, and wherein, the length in bar choked flow groove can be 4 ~ 8cm, and the width can be for 1 ~ 3mm.

According to some preferred embodiments, the liquid-permeable top sheet 301 is provided with a three-dimensional containment flap 304 on both sides thereof, which is higher than the liquid-permeable top sheet 301, and the three-dimensional containment flap 304 is used for preventing liquid from leaking laterally.

According to some preferred embodiments, the front waist portion 100 and the rear waist portion 200 are each formed by combining an air-permeable bottom film and a nonwoven fabric; preferably, spandex yarns are laid between the breathable basement membrane and the non-woven fabric.

In the utility model, the breathable bottom film layer of the absorber is formed by compounding water-repellent non-woven fabrics and PE films, the breathable bottom film layer of the absorber extends towards two ends, spandex filaments are orderly laid at the positions of the front and rear waist contacted with the breathable bottom film layer according to actual production requirements, and then a layer of non-woven fabrics covers the spandex filaments to form the front waist part and the rear waist part of the sanitary pants; the arrangement of spandex silk can increase the elasticity of preceding waist and back waist to increase the comfort level of sanitary pants.

In the present invention, in fig. 1 and fig. 2, the structural layers are mutually peeled off, which is a clear indication of the position relationship between the structural layers, and it should be understood that the present invention is actually closely attached and/or partially attached between the structural layers.

In order to more clearly illustrate the technical solutions and advantages of the present invention, the present invention will be further described with reference to the following embodiments.

Example 1

A pair of sanitary pants comprises a front waist part, a rear waist part and an absorber, wherein the absorber is positioned at a crotch part between the front waist part and the rear waist part and comprises a liquid-permeable surface layer (hot air non-woven fabric), an absorption core body (high water-absorbent resin composite paper and spunlace non-woven fabric) and a bottom leakage-proof layer (water-repellent non-woven fabric and a PE film) which are sequentially arranged along the vertical direction; wherein, the liquid-permeable surface layer is a concave-convex three-dimensional structure, and the absorption core body comprises a first absorption core (a layer of high water absorption resin composite paper) and a second absorption core (a layer of hot air non-woven fabric); the area of the first absorption core is larger than that of the second absorption core, the first absorption core and the second absorption core are alternately arranged, the second absorption core is positioned in the center of the first absorption core, and the cross section of the second absorption core is rectangular; the breathable bottom film layer of the absorber extends towards two ends, spandex filaments are orderly laid at the positions where the breathable bottom film layer contacts with the front waist and the rear waist, and then a layer of non-woven fabric is covered above the spandex filaments to form the front waist and the rear waist of the sanitary pants; both ends of the back waist part are provided with adhesive tapes which are sticky non-woven fabrics (the length is 5cm, and the width is 4 cm); the corresponding positions of the two ends of the front waist part are provided with adhesive surfaces matched with the adhesive tapes, and the adhesive surfaces are non-viscous non-woven fabrics (the length is 5cm, and the width is 4 cm); the front waist part and the back waist part are connected together through the adhesive belt and the adhesive surface to form the sanitary pants.

Example 2

A pair of sanitary pants comprises a front waist part, a rear waist part and an absorber, wherein the absorber is positioned at the crotch part between the front waist part and the rear waist part and comprises a liquid-permeable surface layer (a hot air non-woven fabric), an absorption core body (high water-absorbent resin composite paper and the hot air non-woven fabric) and a bottom leakage-proof layer (a water-repellent non-woven fabric and a PE film) which are sequentially arranged along the vertical direction; wherein, the liquid-permeable surface layer is a concave-convex three-dimensional structure, the concave part is provided with a circular diversion hole with the aperture of 2mm, and the absorption core body comprises a first absorption core (two layers of super absorbent resin composite paper) and a second absorption core (one layer of hot air non-woven fabric); the area of the first absorption core is larger than that of the second absorption core, the first absorption core and the second absorption core are alternately arranged, the second absorption core is positioned in the central position between the two layers of the first absorption cores, both sides of the first absorption core in the width direction are respectively provided with a penetrating arc-shaped strip-shaped flow blocking groove (6 cm in length and 1mm in width), the cross section of the second absorption core is dumbbell-shaped, and the second absorption core is arranged in the shape of a dumbbellThe absorption core is provided with circular infiltration holes, the aperture of the infiltration holes is 2mm, and the distribution density is 10000/m ² The two ends of the liquid-permeable surface layer are provided with three-dimensional fenders; the breathable bottom film layer of the absorber extends towards two ends, spandex filaments are orderly laid at the positions where the breathable bottom film layer contacts with the front waist and the rear waist, and then a layer of non-woven fabric is covered above the spandex filaments to form the front waist and the rear waist of the sanitary pants; both ends of the back waist part are provided with adhesive tapes which are sticky non-woven fabrics (the length is 6cm, and the width is 5 cm); the corresponding positions of the two ends of the front waist part are provided with adhesive surfaces matched with the adhesive tapes, and the adhesive surfaces are non-viscous non-woven fabrics (the length is 6cm, and the width is 5 cm); the front waist part and the back waist part are connected together through the adhesive belt and the adhesive surface to form the sanitary pants.

Example 3

Example 3 is substantially the same as example 2, except that: the absorption core body comprises a first absorption core (5 layers of high water absorption resin composite paper) and a second absorption core (4 layers of hot air non-woven fabrics); the first absorbent cores are larger in area than the second absorbent cores, the first absorbent cores and the first absorbent cores are alternately arranged, and the second absorbent cores are positioned in the middle between the first absorbent cores.

Example 4

Example 4 is essentially the same as example 2, except that: the liquid permeable surface layer has a concave-convex three-dimensional structure, but the sunken part is not provided with the diversion hole.

Example 5

Example 5 is essentially the same as example 2, except that: the absorption core body comprises a first absorption core (two layers of high-water-absorption resin composite paper) and a second absorption core (one layer of hot air non-woven fabric), the first absorption core and the second absorption core are not arranged alternately, and the second absorption core is positioned on the surfaces of the two layers of the first absorption cores.

Example 6

Example 6 is substantially the same as example 2, except that: the second absorbent core is not provided with downward-permeating holes.

Example 7

Example 7 is essentially the same as example 2, except that: the first absorption core is not provided with a strip-shaped flow-blocking groove.

Comparative example 1

Comparative example 1 is substantially the same as example 2 except that: the liquid-permeable top sheet is not provided with a concave-convex three-dimensional structure, and is only a common square layered hot-air non-woven fabric.

Comparative example 2

Comparative example 2 is substantially the same as example 2 except that: the adhesive surfaces and the adhesive belts of the front waist part and the back waist part are replaced by the common magic tape hair surface and the common magic tape hook surface on the market.

Comparative example 3

Comparative example 3 is substantially the same as example 2 except that: the absorbent core comprises a first absorbent core and a second absorbent core, but the first absorbent core and the second absorbent core have the same area.

Comparative example 4

Comparative example 4 is substantially the same as comparative example 3 except that: the first absorption core is not provided with a flow resistance groove, and the second absorption core is not provided with a lower seepage hole.

The utility model discloses in to the embodiment 1 to 7 and the comparative example 1 to 4 sanitary trousers respectively carried out performance test, performance test result is shown in table 1.

The test method comprises the following steps: taking animal blood for 2 times, each time is 5mL, the interval of 2 times is 10 minutes, and recording the time for completing each absorption as the absorption speed in unit of s; reverse osmosis is that after the sanitary towel absorbs 5mL of animal blood for 5min, 10g of filter paper is pressed by a 1.2kg weight and is placed on the sanitary absorption article for 1min, and the gram weight increased by the filter paper is weighed, and the unit g is measured;

attaching the absorbing article to the bottom of a U-shaped groove, longitudinally inclining the absorbing article to the left or right or backwards by 10 degrees, and carrying out liquid adding test; taking animal blood for 2 times, each time 5mL, and 2 times at an interval of 10 minutes, receiving the side leakage animal blood after each liquid adding through a tray, weighing and recording the side leakage amount, wherein the unit is g, and judging the side leakage prevention effect;

TABLE 1

Examples	Absorption speed/s	Reverse osmosis/g	Side leakage per gram
				Example 1	10	1.32	0.10
Example 2	4	0.77	0.00
				Example 3	6	0.64	0.00
Example 4	8	0.81	0.00
				Example 5	5	1.03	0.00
Example 6	9	0.85	0.00
				Example 7	7	0.73	0.13
Comparative example 1	6	0.91	0.00
				Comparative example 2	4	0.75	0.00
Comparative example 3	4	0.73	0.17
				Comparative example 4	7	0.94	0.25

As can be seen from the above examples, in examples 2 to 3 of the present invention, the sanitary pants have excellent liquid suction speed, excellent side leakage prevention effect and excellent dry performance; in example 4, when no flow guide hole is formed in the dent of the surface layer, the liquid absorption speed of the sanitary pants is reduced; in example 5, when the absorbent cores are not alternately arranged as in the present invention, the dryness of the absorbent cores is adversely affected; meanwhile, in embodiment 6, when the second absorbent core is not provided with the lower seepage holes, the liquid absorption speed of the absorbent core also becomes slow, and in embodiment 7, if the first absorbent core is not provided with the strip-shaped flow blocking grooves, the liquid absorption speed of the absorbent core is adversely affected, and meanwhile, the side leakage prevention effect of the sanitary pants is also deteriorated. In comparative example 1, if the liquid-permeable top sheet is not provided with a three-dimensional structure of unevenness, only a common hot air nonwoven fabric is used, not only the dryness and breathability of the top sheet of sanitary pants are deteriorated, but also the absorption rate is adversely affected; in comparative example 2, if the adhesive tapes and adhesive surfaces of the front and rear waist portions are fixed by using commercially available magic tapes, not only the foreign body sensation is severe when the sanitary pants are worn, but also the sanitary pants are displaced after rubbing with the clothes, so that the sanitary pants are not firmly fixed; in comparative example 3, when the first absorbent core and the second absorbent core of the absorbent core were the same in area, not only would the thickness of the absorbent core be increased, but also the utilization rate of the absorbent core would be decreased.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects. The detailed description of the present invention is the technology known to those skilled in the art.

Claims (10)

1. The utility model provides a sanitary pants, includes preceding waist, back waist and absorber, the both ends of absorber with preceding waist with back waist links together its characterized in that:

both ends of the back waist part are provided with adhesive tapes; the corresponding positions of the two ends of the front waist part are provided with adhesive surfaces matched with the adhesive tapes; the absorber comprises a liquid-permeable surface layer, an absorbing core body and a breathable basement membrane from top to bottom in sequence; the liquid-permeable surface layer is of a concave-convex three-dimensional structure;

the absorbent core comprises a first absorbent core and a second absorbent core; the first absorbent core has an area greater than the area of the second absorbent core; the second absorbent core is located at a central position of the first absorbent core.

2. The sanitary pant of claim 1, wherein:

the adhesive tape is made of adhesive non-woven fabric, and the adhesive surface is made of non-adhesive non-woven fabric;

the length of the adhesive tape is 4-8 cm, and the width of the adhesive tape is 3-5 cm; and/or

The length of the pasting surface is 4-8 cm, and the width is 3-5 cm.

3. The sanitary pant of claim 1, wherein:

the concave-convex three-dimensional structure comprises a plurality of convex parts and a plurality of concave parts, and the convex parts and the concave parts are alternately and smoothly connected in a transition manner; the depressed parts are provided with flow guide holes.

4. The sanitary pant of claim 3, wherein:

the diversion holes are circular or elliptical; the aperture of the diversion hole is 1-5 mm.

5. The sanitary pant of claim 1, wherein:

the first absorption core is 1-5 layers, and the second absorption core is 1-4 layers;

the first absorbent cores and the second absorbent cores are alternately arranged, and the second absorbent cores are positioned between the first absorbent cores.

6. The sanitary pant of claim 1, wherein:

the second absorbent core has a cross-sectional shape that is rectangular, square, dumbbell, or oval.

7. The sanitary pant of claim 1, wherein:

and the second absorption core is provided with a lower seepage hole which penetrates through the second absorption core.

8. The sanitary pant of claim 7, wherein:

the distribution density of the lower seepage holes is 2000-40000 per m ² (ii) a The aperture of the lower seepage hole is 1-5 mm.

9. The sanitary pant of claim 1, wherein:

the first absorption core is provided with a strip-shaped flow blocking groove; the strip-shaped flow blocking grooves are arranged on two sides of the first absorption core in the width direction; the strip-shaped flow-blocking groove is at least one of arc, rectangle or wave.

10. The sanitary pant of any one of claims 1-9, wherein;

the two sides of the liquid-permeable surface layer are provided with three-dimensional fencing higher than the liquid-permeable surface layer; and/or

The front waist part and the rear waist part are both formed by compounding an air-permeable bottom film and non-woven fabrics; spandex yarns are laid between the breathable basement membrane and the non-woven fabric.

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