CN213641613U

CN213641613U - Fast-permeation core body

Info

Publication number: CN213641613U
Application number: CN202022003938.2U
Authority: CN
Inventors: 段秋
Original assignee: Chongqing Baiya Sanitary Products Co ltd
Current assignee: Chongqing Baiya Sanitary Products Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-07-09
Anticipated expiration: 2030-09-14

Abstract

The utility model relates to a health supplies technical field specifically is a core body oozes soon, including the core body, the core body includes surface course, bottom and is located the polymer layer between surface course and the bottom, has seted up a plurality of permeability holes on the surface course, and the permeability hole below is sealed has the separation net that is used for preventing that the polymer granule from spilling over, forms the isolation space that is used for holding the polymer granule between the adjacent separation net. The utility model discloses can increase the permeation rate of excreteing liquid, improve polymer particle distribution's homogeneity simultaneously, solve the slow problem of core permeation rate among the prior art.

Description

Fast-permeation core body

Technical Field

The utility model relates to a health supplies technical field specifically is a ooze type core soon.

Background

Disposable nursing sanitary products such as paper diapers, sanitary towels and the like are disposable products which do not need to be washed and are convenient to replace, and are accepted by consumers due to the properties of comfort, convenience and the like. The most important component of such disposable sanitary care products is the absorbent core, which is the critical factor in determining the quality of the product.

The core generally comprises a surface layer, a bottom layer and a polymer layer positioned between the surface layer and the bottom layer, and excrement permeates into the polymer layer through the surface layer to be absorbed. The absorption is realized only by the automatic permeation of the excretion liquid, the permeation rate is low, and the embarrassing phenomena such as side leakage and the like are easy to cause. In addition, during the in-service use, the excrement is concentrated in the core middle part, and the absorbed dose at core middle part is too saturated, and the utilization ratio at core both ends is then not high, and the discharge liquid need permeate to both ends from the middle part gradually, and whole permeation rate is slow, and the middle part absorbed dose saturation also can cause the side leakage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fast type core that oozes to solve the slow problem of core infiltration rate among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a permeate type core soon, includes the core body, and the core body includes surface course, bottom and is located the polymer layer between surface course and the bottom, has seted up a plurality of infiltration holes on the surface course, and the infiltration hole below is sealed to have and is used for preventing the isolation net that the polymer granule spilled over.

The principle and the beneficial effect of the scheme are as follows:

set up the infiltration hole on the surface course, the excrement not only can permeate the polymer layer through the surface course in, can also flow into the polymer layer through the infiltration hole in situ, compares and relies on the excrement independently to permeate for one's own, and this scheme can the effectual penetration rate who improves the core. The isolation net is used for isolating the macromolecules, and the macromolecules are prevented from overflowing from the permeation holes.

Further, an isolation space for accommodating the polymer particles is formed between the adjacent isolation nets.

Has the advantages that: set up isolation space and hold the polymer granule, can make high branch granule evenly distributed, avoid the core to rise to stick together.

Furthermore, two ends of the isolation net are fixed on two sides of the bottom end of the permeation hole, and the middle of the isolation net extends to be connected with the bottom layer.

Has the advantages that: after the middle part of the isolation net is connected with the bottom layer, an isolation space for accommodating polymer particles can be formed by separating the isolation part, and the isolation net is simple in structure and convenient to operate.

Furthermore, a permeation channel communicated with the permeation hole is formed in the separation net after the middle part of the separation net is connected with the bottom layer.

Has the advantages that: and the permeation channel is communicated with the isolation net, so that the permeation rate of the core body can be further improved.

Further, the penetration holes are strip-shaped holes.

Has the advantages that: the permeation area of the strip-shaped permeation holes is larger.

Further, the penetration holes are arranged along the length direction of the facing layer.

Has the advantages that: the length direction setting of infiltration hole edge surface course when increasing the permeation rate, can also guide the both ends diffusion of excreteing liquid toward the surface course, compares and concentrates on surface course middle part infiltration, and the infiltration effect is better, has further improved the permeation rate.

Further, the penetration holes are provided along the width direction of the face layer.

Has the advantages that: the arrangement of the penetration holes in the width direction of the face layer can also increase the penetration rate.

Furthermore, an auxiliary infiltration part for guiding the discharged liquid to diffuse towards the end part of the surface layer is arranged on the surface layer.

Has the advantages that: when the permeation hole sets up along the width direction of surface course, combine supplementary infiltration part also can guide the tip diffusion of effusion to the surface course to improve permeation rate.

Furthermore, the auxiliary permeation component is a diffusion channel which is obliquely communicated between two sides of the permeation hole and the polymer layer.

Has the advantages that: the diffusion channel is adopted as an auxiliary permeation component, so that the structure is simple; the diffusion channel is obliquely arranged, so that the permeation range can be enlarged, and the excretory fluid can be better diffused to two sides of the permeation hole.

Further, the edge of the core body is coated with a binding piece.

Has the advantages that: the edge of the core body is coated with the edge wrapping piece, so that the integrity and the stability of the core body can be improved, and the phenomenon of layering is avoided.

Drawings

Fig. 1 is a top view of a first embodiment of the present invention;

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

fig. 3 is a top view of a second embodiment of the present invention;

fig. 4 is a partial sectional view of B-B in fig. 3.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the core body comprises a core body 1, permeation holes 2, a surface layer 3, permeation channels 4, isolation spaces 5, an isolation net 6, a polymer layer 7, a bottom layer 8 and diffusion channels 9.

Example one

As shown in fig. 1 and 2, a fast-permeability core comprises a core body 1, wherein the edge of the core body 1 is covered with a binding member (not shown in the figure), and the binding member is made of spun-bonded non-woven fabric. Core body 1 includes surface course 3, bottom 8 and is located the macromolecular layer 7 between surface course 3 and the bottom 8, and it has the infiltration hole 2 of a plurality of bars to open on the surface course 3, and the quantity of infiltration hole 2 is three in this embodiment, and three infiltration hole 2 sets up along the length direction of surface course 3.

An isolation net 6 for preventing the macromolecular particles from overflowing is sealed below the permeation hole 2, and two ends of the isolation net 6 are hot-pressed on the surface layer 3 at two sides of the bottom end of the permeation hole 2. The isolation net 6 is elastic, a macromolecule layer 7 is firstly paved on a bottom layer 8 during processing, the isolation net 6 is fixed on the surface layer 3 in advance, then the surface layer 3 with the isolation net 6 is additionally arranged on the macromolecule layer 7, and the isolation net 6 is hot-pressed on the bottom layer 8 through the permeation holes 2 to form the state shown in figure 2. Thereby, each separation net 6 is internally enclosed into a permeation channel 4 communicated with the permeation holes 2, and an isolation space 5 for containing polymer particles is formed between the adjacent separation nets 6.

In this embodiment, owing to seted up the infiltration hole 2 on surface course 3, the excrement can be followed in the quick flow macromolecule layer 7 of infiltration hole 2 department, compare and rely on the excrement alone independently permeate to the macromolecule layer 7 in by surface course 3, this embodiment can the effectual permeation rate that increases the excrement.

The separation net 6 is arranged below the penetration holes 2, so that high polymer particles can be separated, and the high polymer particles are prevented from overflowing from the penetration holes 2. The separation net 6 is pressed down to be connected with the bottom layer 8 to form a permeation channel 4, so that the discharged liquid can be guided to enter the macromolecule layer 7, and the permeation rate is further improved. In addition, utilize separation net 6 to constitute a plurality of isolation spaces 5, can effectual firm polymer particle, avoid its gathering that sticks together to polymer particle's distribution uniformity has been improved.

Infiltration hole 2 adopts the bar hole, and sets up along the length direction of surface course 3, can avoid the excrement to concentrate on 3 middle parts of surface course along infiltration hole 2 to both ends diffusion when the excrement reachs surface course 3, and the infiltration that also can be quick after the excrement dispersion has further improved the permeation rate.

Example two

As shown in fig. 3 and 4, the present embodiment is different from the first embodiment in that the penetration holes 2 are provided along the width direction of the face layer 3, and the number of the penetration holes 2 in the present embodiment is five. The surface layer 3 is provided with an auxiliary permeation component for guiding the discharged liquid to diffuse towards the end part of the surface layer 3, and the auxiliary permeation component is a diffusion channel 9 which is obliquely communicated between the two sides of the permeation hole 2 and the polymer layer 7.

Infiltration hole 2 sets up along the width direction of surface course 3, and five infiltration holes 2 all correspond and set up separation net 6, can separate into six parts with macromolecular layer 7, have further improved macromolecular particle's stability, avoid it to play to stick together.

The diffusion channels 9 are obliquely arranged on two sides of the permeation hole 2, so that when the discharged liquid enters the permeation hole 2, the discharged liquid can directly enter the lower high molecular layer 7 along the permeation hole 2 on one hand, and can also diffuse into the side high molecular layer along the diffusion channels 9 on the other hand; each permeation hole 2 can be diffused from two sides of the permeation hole, so that the excretion liquid is diffused into the whole high polymer layer 7, the permeation effect is good, and the permeation rate is high.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a fast type core that oozes, includes the core body, the core body includes surface course, bottom and is located the polymer layer between surface course and the bottom, its characterized in that: a plurality of permeation holes are formed in the surface layer, and isolation nets used for preventing macromolecular particles from overflowing are sealed below the permeation holes.

2. A fast-permeability core according to claim 1, wherein: and an isolation space for containing the polymer particles is formed between the adjacent isolation nets.

3. A fast-permeability core according to claim 2, wherein: two ends of the isolation net are fixed on two sides of the bottom end of the permeation hole, and the middle of the isolation net extends to be connected with the bottom layer.

4. A fast-permeability core according to claim 3, wherein: and a permeation channel communicated with the permeation hole is formed in the separation net after the middle part of the separation net is connected with the bottom layer.

5. A fast-permeability core according to claim 1, wherein: the penetration holes are strip-shaped holes.

6. A fast-permeability core according to claim 5, wherein: the penetration holes are arranged along the length direction of the surface layer.

7. A fast-permeability core according to claim 5, wherein: the penetration holes are arranged along the width direction of the surface layer.

8. A fast-permeability core according to claim 7, wherein: and the surface layer is provided with an auxiliary permeation component for guiding the discharged liquid to diffuse towards the end part of the surface layer.

9. A fast-permeability core according to claim 8, wherein: the auxiliary permeation component is a diffusion channel which is obliquely communicated between two sides of the permeation hole and the polymer layer.

10. A fast-permeability core according to any one of claims 1-9, wherein: the edge of the core body is coated with the edge wrapping piece.