CN219423153U

CN219423153U - Absorbent product structure convenient for ventilation and absorption

Info

Publication number: CN219423153U
Application number: CN202320384476.4U
Authority: CN
Inventors: 邓攀; 胡国会
Original assignee: Guizhou Kabu Baby Products Co Ltd
Current assignee: Guizhou Kabu Baby Products Co Ltd
Priority date: 2023-03-03
Filing date: 2023-03-04
Publication date: 2023-07-28
Anticipated expiration: 2033-03-04

Abstract

The utility model discloses an absorbent product structure convenient for ventilation and absorption, which comprises an absorbent product main body, wherein the absorbent product main body at least comprises an outermost bottom layer, and an absorbent core body and a fluffy layer with the width smaller than that of the absorbent core body are sequentially arranged from inside to outside. After the absorbent core structure of the original absorbent product is separated from the bottom layer structure of the absorbent product, the absorbent core structure obtains better absorption space, and the arrangement of the fluffy layer structure enables the two sides below the absorbent core to be used as effective absorption areas, so that the infiltration speed of the absorbent product and the liquid storage capacity of the absorbent product are improved, and the overall dryness and comfort of the absorbent product are improved.

Description

Absorbent product structure convenient for ventilation and absorption

Technical Field

The utility model belongs to the technical field of absorbent products, and particularly relates to an absorbent product structure convenient for ventilation and absorption.

Background

The prior art has the problem that the absorption performance of a single-core absorbent product is difficult to improve, and proposes an improved thought of the layout of the absorbent core of the double-core stack, and the absorption performance is improved by accommodating more absorbent structures in a unit area, for example, the prior application utility model CN215080964U discloses a high-absorbency composite core absorbent body which is composed of an outer covering layer, an upper absorbent layer, a lower absorbent layer and an inner covering layer, wherein the upper absorbent layer is of a structure with two thick sides and a thin middle, the lower absorbent layer is wrapped by the inner covering layer, and the upper absorbent layer and the lower absorbent layer are wrapped by the outer covering layer after being stacked in a reverse folding manner, so that the double-core stack configuration is realized. Similarly, there are prior arts of CN212118438U and CN205515209U, etc., and the description thereof will not be repeated here.

However, some improvements have been found in the direct application of the above technology, and are specifically:

the upper core body and the lower core body generally adopt a composite structure with high polymer particles, so that the upper core body and the lower core body have water absorption capacity, when the upper core body and the lower core body are stacked up and down, once the non-overlapped area is saturated, the overlapped area is difficult to further absorb liquid, so that the liquid cannot be timely absorbed to cause moist and stuffy feeling, meanwhile, the saturated absorption core bodies are not beneficial to ventilation after being stacked mutually, the problem of wearing discomfort caused by unsmooth absorption is further aggravated, the final absorption performance can be obviously reduced, and the integral dryness and air permeability of the absorbent product are inevitably influenced.

Disclosure of Invention

Aiming at the technical defects in the background technology, the utility model provides an absorbent product structure convenient for ventilation and absorption, solves the technical problems and meets the actual requirements, and the specific technical scheme is as follows:

the utility model provides an absorbent product structure convenient to ventilative absorption, includes the absorbent product main part, the absorbent product main part is including being equipped with at least and be located the bottom in absorbent product outside, from being close to human skin one side and starting, from inside to outside be equipped with the fluffy layer that stacks gradually each other and width are less than the absorbent core, fluffy layer is single lamellar body or compound lamellar body that has mesh form, porous space.

As a further technical scheme of the utility model, when the fluffy layer is a single laminar body, the fluffy layer is any one of the structures of an ES fiber hot air fluffy cotton layer, viscose water jet fluffy cotton and a PU foaming sponge body, or the combination of any several of the ES fiber hot air fluffy cotton layer, the viscose water jet fluffy cotton layer, the PU foaming sponge body and a dust-free paper layer.

As a further technical scheme of the utility model, a plurality of through holes penetrating the fluffy layer are uniformly distributed on the surface of the fluffy layer.

As a further technical scheme of the utility model, the fluffy layer and the main body of the absorbent article are connected with each other by a plurality of bonding parts which are parallel to the length direction or the width direction of the main body of the absorbent article;

the length of the bonding part does not exceed the length of the fluffy layer when the bonding part is arranged along the length direction of the main body of the absorbent article;

the length of the adhesive portion does not exceed the width of the bulk layer when arranged in the width direction of the absorbent article body.

As a further technical scheme of the utility model, the absorbent main body further comprises a surface layer and an inner coating layer which are arranged on one side close to the skin of a human body, the absorbent core body is sequentially coated by the inner coating layer and the surface layer, and the surface layer is coated from one side close to the skin of the human body to the bottom layer.

As a further technical scheme of the utility model, the inner coating layer is coated with coating cloth, the fluffy layer is coated in the inner coating layer, and the bonding part is arranged between the fluffy layer and the inner coating layer.

As a further technical scheme of the utility model, the fluffy layer is arranged at the outermost side of the inner coating layer and the surface layer and is connected with the main body of the absorbent article near one side of the bottom layer through the bonding part.

As a further technical scheme of the utility model, the fluffy layer is composed of a sheet structure in any one form of 2 or more straight sheet bodies, wavy sheet bodies or zigzag sheet bodies.

As a further technical scheme of the utility model, the fluffy layer is also uniformly provided with water-absorbing polymer particles.

The utility model has the beneficial effects that: the fluffy layer of the non-absorber is arranged below the absorption core body, besides a support body with the lower surface for absorbing the absorption core body, liquid can be stored temporarily, the liquid is accelerated to move towards the absorption core body, the absorption efficiency of the absorption core body is improved, and as the width of the fluffy layer does not exceed the absorption core body, additional spaces which are convenient for ventilation and absorption of the absorption core body and assist in absorbing liquid can be formed at the two sides of the absorption core body, and the absorption and ventilation performance of the absorption product with the composite core body structure is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of an absorbent article according to the present utility model.

FIG. 2 is a schematic illustration of the cross-sectional mating relationship of an absorbent article according to the present utility model.

FIG. 3 is a schematic diagram showing the mating relationship of the cross-section of the absorbent article according to the present utility model.

Fig. 4 is a schematic view of the implementation effect of the bonding part.

Fig. 5 is a schematic diagram showing the implementation effect of the bonding part.

Fig. 6 is a schematic view of the implementation effect of the bonding part.

Fig. 7 is a schematic diagram of a layout of a fluffy layer structure.

Fig. 8 is a schematic diagram of a fluffy layer structure layout.

Fig. 9 is a schematic diagram III of a fluffy layer structure layout.

Wherein: the absorbent core comprises a bottom layer 1, an absorbent core body 2, a fluffy layer 3, an adhesive part 4, a surface layer 5, an inner coating layer 6 and a through hole 7.

Description of the embodiments

Embodiments of the present utility model will be described below with reference to the accompanying drawings and examples, but the embodiments of the present utility model are not limited to the following examples, and the present utility model relates to the relevant essential parts in the art, and should be regarded as known and understood by those skilled in the art.

The utility model provides an absorbent product structure convenient to ventilative absorption, includes the absorbent product main part, the absorbent product main part is including being equipped with at least and be located the bottom 1 of absorbent product outermost side is from being close to human skin one side, from inside to outside be equipped with the fluffy layer 3 that stacks gradually each other of absorption core 2 and width are less than absorption core 2, fluffy layer 3 is the single lamellar body or the compound lamellar body that have mesh form, porous space.

In the description of the present utility model, the absorbent core 2 is the main absorbent structure of the absorbent article, and the structure and the use are substantially identical to those of the absorbent core of the absorbent article of the prior art and the core of the double absorbent core article for achieving the main absorption, while the fluff layer 3 is the auxiliary core structure itself not taking on the main absorption function but rather the function of promoting and improving the absorption efficiency of the absorbent core 2, and is arranged in a manner still following this criterion.

Specifically, the width of the fluffy layer 3 is smaller than that of the absorbent core 2, and the fluffy layer 3 is arranged below the absorbent core 2, and the fluffy layer 2 and the fluffy layer 3 are connected or disconnected, preferably not connected with each other, and then the absorbent core 2 and the fluffy layer 3 are required to be connected with a wrapping structure of an absorbent article or a main body structure of the absorbent article respectively.

Since the lower part of the absorbent core 2 does not completely overlap the bulk layer 3 and extends beyond the bulk layer 3 toward both sides, the non-overlapping portion of the absorbent core 2 can be directly contacted with liquid and absorbed without being affected in the up-down direction. In addition, the non-overlapped part provides a good physical path for ventilation of the main body area of the absorbent article, so that the absorption efficiency of the absorbent core is improved when the absorbent article is worn, the dryness of the absorbent article is improved when the absorbent article is worn, a user is less likely to feel the retention of liquid, the ventilation and air permeability can be optimized together, the moist feel of the absorbent article is reduced when the absorbent article is worn, and the sultry is also reduced.

The bulk layer 3 generally adopts a layered structure in the form of a mesh like bulk cotton, with porous spaces, and without polymer particles for liquid absorption, thus having good air permeability and guiding ability per se, and not impeding the water absorption efficiency of the absorbent core 2 in the overlapped region due to saturated water absorption, and liquid can more quickly penetrate to most regions of the absorbent core 2 to complete absorption.

Meanwhile, due to the characteristic that the fluffy layer 3 has no absorption performance porous space in the structure, the whole structure of the fluffy layer has certain capacity of storing liquid, when the liquid cannot be absorbed by the absorption core body 2 in time, the fluffy layer 3 can also prevent unordered free of the liquid, so that the sloshing feeling of the absorption product when the absorption product is worn is reduced, and the maintenance of the breathable liquid absorption space is ensured.

Further, in order to ensure that the bulk layer 3 does not wander and provide an additional channel for flowing liquid and gas, the bulk layer itself is preferably not in forced connection with the absorbent core 2, but is in intermittent connection with the absorbent article body, under the connection mode, the absorbent core 2 itself can move along with the human body, so that a ventilation and liquid-permeable channel formed by the non-fitting area can be ensured between itself and the absorbent article, the bulk layer 3 is easier to lock liquid when being worn, and the connection structure between the bulk layer 3 and the absorbent article can also maintain stability meeting requirements, thereby providing powerful support for dryness and absorbability of the absorbent article.

The utility model has particular application to absorbent articles in pant-type structures or intimate apparel, such as pull-up pants, diaper pants, sanitary napkins, and the like. Wherein, the inner side of the reference direction of the absorbent product is one side attached to the skin, and the outer side is one side away from the skin. The bottom layer 1 is generally located on the outermost layer of the absorbent article, and has the main structural characteristics of being a material that is impermeable to liquid, good in water repellency, and partially has certain air permeability, in addition, the inner side of the bottom layer 1 can be further provided with additional structures such as a secondary water repellent layer and a PE film layer, which can be applied in the absorbent article, so as to form a better fit between the absorbent cores, for example, the secondary water repellent layer or the PE film layer can be arranged between the bulk layer 3 and the bottom layer 1.

In one preferred embodiment, the fluffing layer 3 is a single layered body, and is any one of the structures of an ES fiber hot air fluffing cotton layer, a viscose spun-laced fluffing cotton layer and a PU foam sponge body, or any combination of several of the ES fiber hot air fluffing cotton layer, the viscose spun-laced fluffing cotton layer, the PU foam sponge body and a dust-free paper layer.

Under the structure, the fluffy layer 3 can be changed into a composite layered body from a single layered body, so that the optimization of the performance of the fluffy layer 3 is realized, the fluffy layer 3 can have better absorption capacity and air-guiding and ventilation capacity, and the overall absorption performance and ventilation performance of the absorbent product are further enhanced. The fluffy layer 3 as an auxiliary function is mainly composed of a substrate body with meshed porous space, and the structure is a meshed loose and elastic structure body which is formed by materials such as ES fiber hot air cloth, PU foaming sponge body, viscose water thorn cloth and the like, and is in particular a fluffy cotton shape or sponge-like shape; in addition, any combination of various materials, namely any combination of fluffy cotton-shaped layers, spunlaced non-woven fabrics, PU foaming materials and dust-free paper can be used for forming a final composite layered fluffy layer 3 structure, so that the physical properties of the required composite layer are realized.

The bulky layer 3 can effectively promote efficient absorption of the absorbent core 2 in combination with the physical breathable liquid absorption channel formed by the non-complete overlapped fit between the absorbent core 2 and the bulky layer 3.

In one preferred embodiment, the surface of the fluffy layer 3 is further uniformly provided with a plurality of through holes 7 penetrating the fluffy layer, and the holes of the through holes 7 arranged on the fluffy layer 3 are preferably any one of round holes, elliptical holes, semicircular holes, polygonal holes and star-shaped holes or any combination of the holes.

In order to further improve the permeability and air permeability of the fluffy layer 3, the surface of the fluffy layer 3 can be provided with uniformly arranged through holes 7 by pressing or other modes through external equipment, the hole type of the through holes 7 can be freely selected from the above configurations according to the needs, or other types of hole types can be used, the specific surface area of the fluffy layer 3 can be improved in a hole opening mode, the auxiliary absorption capacity of the fluffy layer can not be obviously influenced, the overall fluffy degree and softness can be enhanced, and the wearing experience of an absorbent product is better.

In one of the preferred embodiments, the bulk layer 3 and the absorbent article body are connected by a plurality of adhesive parts 4 parallel to the length direction or the width direction of the absorbent article body, wherein the length of the adhesive parts 4 does not exceed the length of the bulk layer 3 when the adhesive parts are arranged along the length direction of the absorbent article body, or the length of the adhesive parts 4 does not exceed the width of the bulk layer 3 when the adhesive parts are arranged along the width direction of the absorbent article body. And as a further preferable example of the above embodiment, the adhesive parts 4 are arranged intermittently when arranged in the longitudinal direction of the absorbent article main body.

In the present utility model, the intermittent connection between the bulk layer 3 and the absorbent article main body may be further preferably a combination of a plurality of adhesive parts 4 disposed parallel to each other or intermittently laid, specifically, the two adhesive parts may be divided into two types parallel to the length direction or the width direction of the absorbent article main body according to the arrangement pattern of the adhesive parts 4, or may be disposed in a certain regular inclination, and the effective connection between the bulk layer 3 and the absorbent article main body is achieved by the above intermittently distributed adhesive parts 4. It is additionally noted that in order to avoid that the edge area of the fit between the bulk layer 3 and the main body of the absorbent article does not lift, it is necessary to ensure that the effective area of the bulk layer 3 is as far as possible involved by the adhesive 4.

In one preferred embodiment, the absorbent body further comprises a surface layer 5 and an inner coating layer 6, wherein the surface layer 5 is arranged on one side close to the skin of a human body, the absorbent core 2 is sequentially coated by the inner coating layer 6 and the surface layer 5, and the surface layer 5 is coated from one side close to the skin of the human body to the bottom layer 1.

In the above-described structure, the absorbent core 2 is covered with the top sheet 5 and the inner cover 6, and is joined to the absorbent article main body by a necessary connection structure, and the joining figure shows that the portions of the absorbent article main body portion on both sides and the fluff layer 3 at the center are tightly joined to each other, and the fluff layer 3 must be intermittently joined to the absorbent article main body, and the relative position between the two portions is ensured by the adhesive portion 4.

In one preferred embodiment, the inner coating layer 6 is a coating cloth, the fluffy layer 3 is coated in the inner coating layer 6, and the bonding part 4 is disposed between the fluffy layer 3 and the inner coating layer 6.

The difference from the previous embodiment is that the absorbent core 2 and the bulk layer 3 are both wrapped by the inner wrapping layer 6, so that the top layer 5 and the inner wrapping layer 6 can be completely and tightly connected with the main body of the absorbent article, and the bulk layer 3 and the wrapped inner wrapping layer 6 are intermittently connected with each other by the adhesive portion 4, and the air permeability and dryness of the present utility model can be basically achieved in both the present embodiment and the previous embodiment.

In one of the preferred embodiments, the bulk layer 3 is disposed on the outermost side of the inner cover 6 and the facing layer 5, and is connected to the main body of the absorbent article on the side close to the backsheet 1 by the adhesive portion 4.

In this embodiment, the previous embodiment is further refined, and it is emphasized that the bulk layer 3 is disposed outside the inner cover layer 6 and the surface layer 5, and mainly forms a connection relationship with the main body of the absorbent article on the side of the backsheet 1.

In a preferred embodiment, the fluffing layer 3 is composed of a sheet structure of any one of 2 or more straight sheet bodies, wavy sheet bodies or saw-tooth sheet bodies.

In the structure, the fluffy layer 3 can also be formed by combining a plurality of sheet bodies, the number of the same type of sheet bodies is not less than 2, for example, straight strip-shaped sheet bodies, wavy sheet bodies or saw-tooth-shaped sheet bodies as shown in the figure, 1-20mm intervals are reserved among the sheet bodies, the total width of all sheet body structures is not more than 300mm, a whole fluffy layer 3 is pressed out of different fragments through a cam or a spherical die in a forming mode, the number of ventilation and permeation channels can be effectively increased by arranging the intervals, the improvement of the absorption performance and the ventilation performance of the absorbent product is facilitated, the formation of the intervals can also ensure that the width of the fluffy layer 3 does not exceed the width of the absorbent core body, the two cannot be overlapped highly, and the size of the absorption and ventilation space is ensured.

In one preferred embodiment, the fluffy layer is further uniformly provided with water-absorbent polymer particles, specifically, if the fluffy layer 3 is a single layered body, the fluffy layer is any one of the structures of an ES fiber hot air fluffy cotton layer, a viscose water-jet fluffy cotton layer and a PU foam sponge body, or if the fluffy layer is a composite layered body, the fluffy layer is formed by compounding any one of the ES fiber hot air fluffy cotton layer, the viscose water-jet fluffy cotton layer, the PU foam sponge body and a dust-free paper layer, on the basis of this, the water-absorbent polymer particles can be uniformly arranged in the fluffy layer by embedding, wrapping, scattering or any way capable of dispersing and arranging the polymer particles, so that the fluffy layer can retain the original storage, guiding and penetrating liquid, and meanwhile has a certain water absorption capacity, the function as an auxiliary absorption core is realized to a certain extent, and the overall water absorption and air permeability of the absorbent product is further improved.

In summary, the fluffy layer 3 of the non-absorbent body is arranged below the absorbent core, besides the support body for providing the lower surface for the absorbent core 2 to absorb, the liquid can be temporarily stored, the liquid can be accelerated to move to the absorbent core, the absorption efficiency of the absorbent core is improved, and as the width of the fluffy layer 3 does not exceed the absorbent core 2, the two sides of the absorbent core 2 can form additional spaces for facilitating ventilation and auxiliary liquid absorption of the absorbent core 2, and the absorption and ventilation performances of the absorbent product with the composite core structure are improved.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides an absorbent product structure convenient to ventilative absorption, includes the absorbent product main part, the absorbent product main part is including being equipped with at least and be located the bottom of absorbent product outermost side, its characterized in that, from being close to human skin one side, from inside outwards be equipped with the fluffy layer of mutual stack's absorption core and width less than the absorption core in proper order, fluffy layer is single lamellar body or compound lamellar body that has mesh form, porous space.

2. The absorbent structure of claim 1, wherein the fluff layer is any one of an ES fiber hot air fluff layer, a viscose water jet fluff cotton, a PU foam sponge, or a combination of any of an ES fiber hot air fluff layer, a viscose water jet fluff cotton layer, a PU foam sponge, and a dust-free paper layer.

3. The absorbent structure of claim 1 or 2, wherein the surface of the bulky layer is further uniformly provided with a plurality of through holes penetrating the bulky layer.

4. The absorbent article structure of claim 1, wherein the fluff layer and the absorbent body are connected to each other by a plurality of adhesive portions parallel to the longitudinal direction or the width direction of the absorbent body;

5. The absorbent structure of claim 4, wherein the absorbent body further comprises a top layer and an inner coating layer disposed on a side of the absorbent body adjacent to the skin of the human body, the absorbent core is sequentially coated with the inner coating layer and the top layer, and the top layer is coated from the side of the absorbent body adjacent to the skin of the human body toward the bottom layer.

6. The breathable absorbent article structure of claim 5 wherein the inner cover is a cover, the fluff layer is wrapped in the inner cover, and the adhesive is disposed between the fluff layer and the inner cover.

7. The breathable absorbent article structure of claim 5 wherein the fluff layer is disposed outermost of the inner cover and the facing layer and is joined to the absorbent article body adjacent the backsheet side by an adhesive.

8. The absorbent article structure of claim 1, wherein the fluff layer is comprised of a sheet structure of any one of 2 or more straight, wavy or zigzag sheets.

9. The breathable absorbent article structure according to claim 2, characterized in that said fluff layer is further uniformly provided with water-absorbing polymeric particles.