CN211326185U

CN211326185U - T-shaped core body

Info

Publication number: CN211326185U
Application number: CN201922429212.2U
Authority: CN
Inventors: 郑佳明; 谯志勇; 张程娟; 陈华清; 庄剑波
Original assignee: CHIAUS (FUJIAN) INDUSTRIAL DEVELOPMENT CO LTD
Current assignee: CHIAUS (FUJIAN) INDUSTRIAL DEVELOPMENT CO LTD
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-25
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to the field of disposable sanitary products, in particular to a T-shaped core body, which mainly solves the problem of poor comfort of an absorption core body in the prior art, and comprises the absorption core body, the absorption core body of the absorption core body comprises a first absorption core body, a second absorption core body and a third absorption core body, the second absorption core body and the third absorption core body are arranged on the upper side of the first absorption core body and are distributed on the two transverse sides of the first absorption core body, bulges are arranged on the first absorption core body, the first absorption core body comprises a bottom layer, bulky non-woven fabrics, a high polymer material layer and non-woven fabrics coated on the high polymer material layer, at least two strip-shaped grooves are formed on the first absorption core body by hot pressing side by side along the longitudinal direction, each strip-shaped groove extends to the middle part from the bulge on the front part, a convex strip is formed between the two strip-shaped grooves, a flow guide layer is, the absorption core body is coated with hydrophilic non-woven fabrics.

Description

T-shaped core body

Technical Field

The utility model relates to a disposable hygienic articles field especially relates to a T type core body.

Background

Absorbent core bodies are widely used in absorbent care products and function to absorb and retain body exudates. The absorbent core body is mostly made of absorbent materials such as wood pulp, fluff pulp, and pulp. It will reach better water absorption performance and need set up thicker size, influence the gas permeability and the comfort level of product greatly to absorb the easy caking of sandwich layer after absorbing liquid, the absorption fault appears, thereby influence the timely absorption of urine. Even if the water-absorbing materials such as wood pulp, fluff pulp and paper pulp are mixed with the high molecular water-absorbing resin, the high molecular water-absorbing resin is difficult to be fixed with the paper pulp, so that the distribution is uneven, and the water absorption is influenced. If the polymer resin is used as the water-absorbing core layer, the production cost is increased.

As in chinese patent application No.: 201620020028.6 discloses a novel absorption core body, including top layer and intermediate layer, the absorption core body form by top layer parcel intermediate layer, the top layer is hydrophilic non-woven fabrics, the intermediate layer is main absorber, main absorber include fluffy absorber and absorb cotton core again, fluffy absorber comprises fluffy layer polymer of one deck and the fluffy layer material of one deck, the absorption cotton core be the mixture of wood pulp and SAP, fluffy absorber is located the absorption cotton core top. The middle layer of the absorption core body adopts a fluffy absorber and an absorption cotton core, and is made of ES fiber non-woven fabrics, so that the strength of the core layer is increased, the core layer is not easy to layer and break, and the absorption speed of the core layer is high due to the high molecular weight of the fluffy layer on the surface, the efficiency is high, and the economy is realized; however, the absorbent core body is usually used for multiple times of absorption and most of the absorbent core bodies cannot be replaced in time, so that the bulky absorbent body after absorbing urine swells in the using process, and the stuffy moisture is difficult to be discharged, thereby causing the reduction of comfort.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a T type core, it has mainly solved the poor problem of travelling comfort of absorbing the core body among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a T-shaped core body comprises an absorption core body, wherein the longitudinal direction extending along the length direction of the absorption core body is defined, the transverse direction extending along the width direction is defined, the absorption core body sequentially comprises a front part, a middle part and a rear part along the longitudinal direction, the absorption core body comprises a first absorption core body, a second absorption core body and a third absorption core body, the second absorption core body and the third absorption core body are arranged on the upper side of the first absorption core body and are distributed on the transverse two sides of the first absorption core body, the transverse outer side edges of the second absorption core body and the third absorption core body downwards cover the transverse two side edges of the first absorption core body, the longitudinal end of the first absorption core body is positioned at the front part and is provided with bulges along the transverse distribution, the first absorption core body comprises a bulky bottom layer formed by mixing pulp fibers and high polymer water-absorbing resin, a non-woven fabric layer arranged on the bottom layer, a high polymer material layer arranged on the bulky non-woven fabric, the first absorption core body is provided with at least two strip-shaped grooves formed by hot pressing side by side along the longitudinal direction, each strip-shaped groove extends to the middle part from the front part of the protrusion, a raised line is formed between the strip-shaped grooves, the first absorption core body is provided with a flow guide layer at the front part and the middle part, a glue layer is arranged between the raised line and the flow guide layer, and the absorption core body is coated with hydrophilic non-woven fabrics.

Furthermore, the second absorption core body and the third absorption core body are distributed on two transverse sides of the protrusion, the side faces of the second absorption core body and the side faces of the third absorption core body are respectively abutted against two transverse sides of the protrusion, and the thickness dimension of the second absorption core body and the thickness dimension of the third absorption core body are the same as that of the protrusion.

Further, the transverse width of the strip-shaped groove is 3-8 mm.

Further, the depth dimension of the strip-shaped groove is gradually reduced from the protrusion to the middle part.

By adopting the technical scheme, the beneficial effects of the utility model are that: the T-shaped core body is provided with the strip-shaped grooves on the first part and the second part and the strip-shaped grooves are provided with the flow guide layers, when in use, the urine is accelerated to be absorbed, guided and permeated through the flow guide layers after being discharged, and then is better absorbed by the middle part and the rear part by the further flow guide effect of the strip-shaped grooves, the strip-shaped grooves at the front part can play a role of buffering after being absorbed, the absorption core body is prevented from being directly contacted with skin after being absorbed and expanded, meanwhile, the strip-shaped grooves play a role of gas flowing, the air permeability is improved, the comfort of the absorption core body is high, the bulges on the first absorption core body, the second absorption core body and the third absorption core body are combined to be arranged at the two transverse sides of the first absorption core body and cover the two side edges of the first absorption core body, the arranged strip-shaped grooves can not influence the problems of front leakage and side leakage of the absorption core body, and the second absorption core body and the third absorption core body, the speed of urine permeating the urine pad is reduced, so that the dry and comfortable effect of contacting with the skin is better kept, and the comfort is further improved.

Drawings

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

FIG. 2 is a schematic cross-sectional view taken at A-A in FIG. 1;

FIG. 3 is a schematic cross-sectional view at B-B in FIG. 1;

fig. 4 is a schematic sectional view of the first absorbent core in the embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

The embodiment of the utility model provides a do:

referring to fig. 1 to 4, a T-shaped core body includes an absorbent core body 1 defining a longitudinal direction extending along a length direction of the absorbent core body 1 and a transverse direction extending along a width direction thereof, the absorbent core body 1 includes a front portion 10, a middle portion 20 and a rear portion 30 along the longitudinal direction, the absorbent core body 1 includes a first absorbent core 11, a second absorbent core 12 and a third absorbent core 13, the second absorbent core 12 and the third absorbent core 13 are disposed on an upper side of the first absorbent core 11 and distributed on transverse sides thereof, transverse outer sides of the second absorbent core 12 and the third absorbent core 13 cover the transverse sides of the first absorbent core 11, a protrusion 2 is disposed on a longitudinal end of the first absorbent core 11 and at the front portion 10 along the transverse direction, and the second absorbent core 12 and the third absorbent core 13 are distributed on transverse sides of the protrusion 2, the lateral surfaces of the first absorption core body 11 are respectively abutted against the two transverse side edges of the bulge 2, the thickness of the second absorption core body 12 and the third absorption core body 13 is the same as that of the bulge 2, the first absorption core body 11 comprises a bottom layer 111 formed by mixing pulp fibers and high polymer water-absorbent resin, a bulky non-woven fabric 112 arranged on the bottom layer 111, a high polymer material layer 113 arranged on the bulky non-woven fabric 112 and a non-woven fabric 114 coated on the high polymer material layer, the high polymer material layer 113 is a material layer formed by blanking high polymer water-absorbent resin through a blanking device, the bulge 2 is formed by forming the blanking thickness of the high polymer water-absorbent resin at the position of the bulge larger than that of other areas, four strip-shaped grooves 3 are formed on the first absorption core body 11 in a hot pressing mode side by side along the longitudinal direction and are formed in a hot pressing mode through concave-convex rollers, the transverse width of the strip-, the depth dimension in bar groove 3 reduces from protruding 2 to the middle part gradually, two form sand grip 4 between the bar groove 3, it is provided with water conservancy diversion layer 5 to lie in anterior 10 and middle part 20 on the first absorption core 11, each be provided with glue layer 6 between sand grip 4 and the water conservancy diversion layer 5, the cladding has hydrophilic non-woven fabrics 7 on the absorption core body 1, the second absorbs core 12 and third and absorbs core 13 and all is formed sandwich layer 8 by the paper pulp fibre and the polymer mixture, the cladding has non-woven fabrics 9 on the sandwich layer 8.

The utility model discloses a working method is: in the T-shaped core body, the strip-shaped grooves 3 are arranged on the first part 10 and the second part 20 through the first absorption core body 11, and the strip-shaped grooves 3 are provided with the flow guide layers 5, so that urine can be well absorbed by the middle part 20 and the rear part 30 through the flow guide layers 5 after being discharged, and further flow guide effect of the strip-shaped grooves 3 is realized, and the strip-shaped grooves 3 on the front part 10 can play a role in buffering after being absorbed to prevent the absorption core body 1 from being directly contacted with skin after being absorbed and expanded, and meanwhile, the strip-shaped grooves 3 play a role in gas flow to improve gas permeability, so that the comfort of the absorption core body 1 is high, and the arranged strip-shaped grooves 3 can not influence the front leakage and side leakage of the absorption core body 1 by combining the bulges 2 on the first absorption core body 11, the second absorption core body 12 and the third absorption core body 13 are arranged on the two transverse sides of the first absorption core body 11 and coating the two side edges thereof, and the second absorption core body 12 and the third absorption core body 13 are respectively contacted with the skin, so that the speed of urine penetrating the second absorption core body is reduced, the dry and comfortable effect of contacting with the skin is well kept, and the comfort is further improved.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A T-shaped core body is characterized in that: the novel absorbent core comprises an absorbent core body, wherein the longitudinal direction extending along the length direction of the absorbent core body is defined, the transverse direction extending along the width direction is defined, the absorbent core body sequentially comprises a front part, a middle part and a rear part along the longitudinal direction, the absorbent core body comprises a first absorbent core body, a second absorbent core body and a third absorbent core body, the second absorbent core body and the third absorbent core body are arranged on the upper side of the first absorbent core body and are distributed on the transverse two sides of the first absorbent core body, the transverse outer side edges of the second absorbent core body and the third absorbent core body downwards cover the transverse two side edges of the first absorbent core body, the longitudinal end of the first absorbent core body is positioned at the front part and is provided with bulges along the transverse distribution, the first absorbent core body comprises a bottom layer formed by mixing pulp fibers and high polymer water-absorbing resin, a bulky non-woven fabric layer arranged on the bottom layer, a high polymer material layer arranged on the bulky, the first absorption core body is provided with at least two strip-shaped grooves formed by hot pressing side by side along the longitudinal direction, each strip-shaped groove extends to the middle part from the front part of the protrusion, a raised line is formed between the strip-shaped grooves, the first absorption core body is provided with a flow guide layer at the front part and the middle part, a glue layer is arranged between the raised line and the flow guide layer, and the absorption core body is coated with hydrophilic non-woven fabrics.

2. A T-core as claimed in claim 1, wherein: the second absorption core body and the third absorption core body are distributed on two transverse sides of the bulge, the side faces of the second absorption core body and the side faces of the third absorption core body are respectively abutted against the two transverse sides of the bulge, and the thickness dimension of the second absorption core body and the thickness dimension of the third absorption core body are the same as the thickness dimension of the bulge.

3. A T-core as claimed in claim 1, wherein: the transverse width of the strip-shaped groove is 3-8 mm.

4. A T-core as claimed in claim 1, wherein: the depth dimension of the strip-shaped groove is gradually reduced from the bulge to the middle part.