CN215689123U

CN215689123U - Composite paper core body with multiple flow guide channels

Info

Publication number: CN215689123U
Application number: CN202121910577.8U
Authority: CN
Inventors: 张欢; 王欢; 孙全
Original assignee: Hunan Beauty Sanitary Products Co ltd
Current assignee: Hunan Beauty Sanitary Products Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-01
Anticipated expiration: 2031-08-13

Abstract

The utility model relates to a composite paper core body with a plurality of diversion channels, which comprises a water-permeable fabric layer and a lower fabric layer which are arranged in parallel, wherein a liquid absorption layer is clamped between the water-permeable fabric layer and the lower fabric layer; the top surface of the liquid absorbing layer is in a wavy shape. The composite paper core body with the plurality of flow guide channels is provided with the wavy concave parts through the top surface of the liquid absorption layer, the flow guide channels are formed in the concave parts, the planar and U-shaped diffusion of the core body is facilitated, the overall utilization rate of the composite paper core body is improved, and the surface dryness is increased.

Description

Composite paper core body with multiple flow guide channels

Technical Field

The utility model belongs to the technical field of sanitary care products, and particularly relates to a composite paper core body with a plurality of flow guide channels.

Background

Absorbent articles are widely used for a variety of purposes. To function effectively, the absorbent article must rapidly absorb body fluids, distribute them throughout the absorbent article, and retain them. In addition, the absorbent article should be sufficiently soft and elastic to comfortably conform to and closely conform to the body surface to reduce leakage.

Typical absorbent articles currently in use on the market include diapers, feminine hygiene products, incontinence pads, and the like. Almost all absorbent articles comprise at least three components: a topsheet, a backsheet, and an absorbent core disposed therebetween. The topsheet, also commonly referred to as the "surface layer", is located closest to the wearer. The topsheet is liquid pervious, acts as a containment device for the absorbent core, and is soft to the skin of the wearer. The liner, also referred to as the "liner," is directly adjacent the wearer's undergarment. The liner also serves as a containment means for the absorbent core and serves as a water barrier between the absorbent core and the wearer's undergarment when bodily fluids are generated.

Absorbent cores, also known as absorbent sheets, are generally designed to absorb and retain body fluids that enter the absorbent article through the topsheet. The absorbent core is typically formed from hydrophilic fibers. For example, the absorbent core may be formed from cellulosic fibers, such as those made from wood pulp and the like. Absorbent cores made from wood pulp fibers are widely used and are commonly referred to in the art as "fluff pulp.

The sanitary towel at present can be divided into a 5-layer composite core body, a common small white paper core body and a novel glue-free core body. For the glue-free core body and the 5-layer core body, due to the strong conduction effect of the small white paper, the utilization rate of the core body of the composite core body is often low, the bad use phenomena of the wet surface, the side leakage and the like of the sanitary towel occur, the discomfort can be brought to women, the problems of gynecological diseases and the like are easily caused

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a composite paper core body with a plurality of flow guide channels.

The utility model solves the technical problems through the following technical means: a composite paper core body with a plurality of diversion channels comprises a water permeable fabric layer and a lower fabric layer which are arranged in parallel, wherein a liquid absorbing layer is clamped between the water permeable fabric layer and the lower fabric layer;

the top surface of the liquid absorbing layer is in a wavy shape.

As an improvement of the above technical means, the top surface of the liquid absorbent layer has an undulating wave shape formed by a plurality of strips extending in the longitudinal direction.

As the improvement of the technical scheme, the liquid absorption layer is of a multilayer structure and comprises an upper liquid absorption material layer and a lower liquid absorption material layer, and a flow slowing layer is arranged between the upper liquid absorption material layer and the lower liquid absorption material layer in a clamping mode.

As an improvement of the technical scheme, the slow flow layer is a fluffy non-woven fabric layer.

As an improvement of the technical scheme, the upper liquid absorption material layer is provided with a plurality of protruding strips extending along the length direction, and the concave parts between the adjacent protruding strips form flow guide channels.

As an improvement of the technical scheme, a plurality of grooves are formed in the top surface of the lower liquid absorbing material layer along the length direction, and the protruding parts between the adjacent grooves correspond to the concave parts between the adjacent protruding strips.

The utility model has the beneficial effects that:

the composite paper core body with the plurality of flow guide channels is provided with the wavy concave parts through the top surface of the liquid absorption layer, the flow guide channels are formed in the concave parts, the planar and U-shaped diffusion of the core body is facilitated, the overall utilization rate of the composite paper core body is improved, and the surface dryness is increased.

When the core body area receives more liquid and cannot absorb the liquid in time, the liquid is longitudinally diffused and stored in the flow guide channel formed by the concave part in a short time, and the transverse diffusion rate of the liquid is reduced, so that the side leakage probability is reduced; meanwhile, due to the fact that the flow guide channel is formed by the concave portion, the integral longitudinal diffusion capacity of the core body and the actual use area of the core body can be improved, and therefore the surface of the core body is drier.

Drawings

FIG. 1 is a schematic view of a structure of the present invention before absorption of liquid.

Fig. 2 is a schematic view of the structure of the present invention after absorbing liquid.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1-2, the composite paper core with multiple flow guide channels in this embodiment includes a water-permeable fabric layer 1 and a lower fabric layer 2, which are arranged in parallel, and a liquid absorbent layer 3 is sandwiched between the water-permeable fabric layer 1 and the lower fabric layer 2;

the top surface of the liquid absorbing layer 3 is wavy. The composite paper core body with the plurality of flow guide channels is provided with the wavy concave parts through the top surface of the liquid absorption layer, the flow guide channels are formed in the concave parts, the planar and U-shaped diffusion of the core body is facilitated, the overall utilization rate of the composite paper core body is improved, and the surface dryness is increased.

The top surface of the liquid absorbent layer 3 is formed into an undulating wave shape by a plurality of strips extending in the longitudinal direction. When the core body area receives more liquid and cannot absorb the liquid in time, the liquid is longitudinally diffused and stored in the flow guide channel formed by the concave part in a short time, and the transverse diffusion rate of the liquid is reduced, so that the side leakage probability is reduced; meanwhile, due to the existence of the flow guide channel formed by the concave part, the integral longitudinal diffusion capacity of the core body and the actual use area of the core body can be improved, so that the surface of the core body is drier and more comfortable

The imbibition layer 3 is multilayer structure, including upper imbibition material layer and lower floor's imbibition material layer, press from both sides between upper imbibition material layer and the lower floor's imbibition material layer and establish the unhurried current layer 31. The slow flow layer 31 is a fluffy non-woven fabric layer. The upper imbibition material layer and the lower floor imbibition material layer are the imbibition effect simultaneously, because liquid absorption needs time, the upper imbibition material layer preferentially absorbs, receives the action of gravity liquid and can the downward infiltration enter into lower floor's imbibition material layer through slow-flow layer 31. When the flow is larger, the downward permeation speed of the liquid becomes faster, so that the lateral leakage is easily caused by the lateral flow formed on the top surface of the lower liquid absorption material layer. The fluid-wicking layer 31 thus slows the rate of penetration to facilitate absorption by the underlying liquid-absorbent material layer.

The upper liquid absorbing material layer is provided with a plurality of protruding strips 32 extending along the length direction, and the concave parts between the adjacent protruding strips 32 form flow guide channels. When liquid is longitudinally diffused, menstrual blood can be stored in the flow guide channel formed by the concave parts between the adjacent convex strips 32 in a short time, and the phenomenon of side leakage caused by too fast diffusion of the liquid and incapability of timely absorption is prevented.

A plurality of grooves 33 are formed in the top surface of the lower liquid absorbing material layer along the length direction, protruding portions between the adjacent grooves 33 correspond to concave portions between the adjacent protruding strips 32, the grooves 33 increase liquid receiving area, and rapid absorption is facilitated. The concave parts between the adjacent convex strips 32 correspond to the convex parts, so that the effect of flow distribution can be achieved, the concave parts between the adjacent convex strips 32 are thin and can store liquid, so that the permeation flow at the concave parts is also large, and the convex parts between the adjacent grooves 33 can perform flow distribution, so that the large-flow permeation can be received.

When the liquid absorption and liquid absorption layer is used, the size of the liquid absorption and liquid absorption layer 3 is increased, so that the water permeable fabric layer 1 is provided with the concave and wavy projections, and the side leakage phenomenon caused by too fast liquid diffusion and failure in time absorption can be prevented from occurring due to the concave and wavy projections on the same water permeable fabric layer 1.

The core may be used in diapers, feminine hygiene products, incontinence pads, and the like.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a have many water conservancy diversion passageway composite paper core, includes parallel arrangement's the precoat (1) of permeating water and lower bed precoat (2), its characterized in that: a liquid absorbing layer (3) is clamped between the water permeable fabric layer (1) and the lower fabric layer (2);

the top surface of the liquid absorbing layer (3) is in a wavy shape.

2. The composite paper core having a plurality of flow directing channels of claim 1, wherein: the top surface of the liquid absorbing layer (3) is in a wavy shape formed by a plurality of strips extending along the length direction.

3. A composite paper core body having a plurality of flow directing channels as claimed in claim 1 or claim 2, wherein: imbibition layer (3) are multilayer structure, including upper imbibition material layer and lower floor's imbibition material layer, press from both sides between upper imbibition material layer and the lower floor's imbibition material layer and establish slow-flow layer (31).

4. A composite paper core having a plurality of flow directing channels as claimed in claim 3, wherein: the slow flow layer (31) is a fluffy non-woven fabric layer.

5. A composite paper core having a plurality of flow directing channels as claimed in claim 3, wherein: the upper liquid absorption material layer is a plurality of protruding strips (32) extending along the length direction, and concave parts between every two adjacent protruding strips (32) form flow guide channels.

6. The composite paper core having a plurality of flow directing channels of claim 5, wherein: a plurality of grooves (33) are formed in the top surface of the lower liquid absorbing material layer along the length direction, and protruding portions between the adjacent grooves (33) correspond to concave portions between the adjacent protruding strips (32).