CN115444664A - Anti-liquid-seepage sanitary towel - Google Patents
Anti-liquid-seepage sanitary towel Download PDFInfo
- Publication number
- CN115444664A CN115444664A CN202211416181.7A CN202211416181A CN115444664A CN 115444664 A CN115444664 A CN 115444664A CN 202211416181 A CN202211416181 A CN 202211416181A CN 115444664 A CN115444664 A CN 115444664A
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- China
- Prior art keywords
- core body
- flow
- liquid
- groove
- collecting part
- Prior art date
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Links
- 239000007788 liquid Substances 0.000 claims abstract description 71
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 15
- 239000004745 nonwoven fabric Substances 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 11
- 239000005871 repellent Substances 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 12
- 231100000987 absorbed dose Toxicity 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 17
- 238000001125 extrusion Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 210000002105 tongue Anatomy 0.000 description 3
- 210000002469 basement membrane Anatomy 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
- A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
- A61F13/4756—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/505—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with separable parts, e.g. combination of disposable and reusable parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
- A61F13/53717—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the horizontal direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F2013/53795—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer being a surge management layer
Abstract
The invention relates to the technical field of sanitary pads, and particularly discloses a reverse osmosis resistant liquid sanitary towel, which is provided with a hydrophilic layer, wherein an absorption layer is arranged on the hydrophilic layer, and the absorption layer comprises: the long core body is provided with a plurality of first diversion grooves symmetrically left and right so as to guide the liquid to the middle part of the long core body; the flow collecting part is positioned in the middle of the core body, the edge of the flow collecting part is provided with a ring groove, the flow collecting part is formed by encircling the ring groove, one end of each of the first flow guide grooves corresponds to the ring groove, and the long core body and the flow collecting part are of an integrated structure; the separating part is positioned in the flow collecting part and comprises a short core body, the short core body is separably arranged in the flow collecting part, and a plurality of second flow guide grooves for guiding the liquid to the middle part are formed in the short core body; this anti-liquid sanitary towel body structure that oozes more is applicable to most women crowd, can increase in a flexible way and absorb the core, improves sanitary towel's absorbed dose, can also effectively prevent the edge leakage phenomenon, and the suitability is high.
Description
Technical Field
The invention relates to the technical field of sanitary pads, in particular to a reverse osmosis resistant liquid sanitary towel.
Background
The main requirement of absorbent articles such as sanitary napkins is to absorb body fluids discharged by the wearer, but also to provide the wearer with a comfortable and fresh feel.
The detachable daily and night usable sanitary towel disclosed in the Chinese patent document CN206508125U comprises a sanitary towel body, wherein reinforcing protective wings are arranged on two sides of the sanitary towel body; the rear end of the sanitary towel body is provided with a bib-shaped rear wing pad which is mutually matched and connected, and the edge of the sanitary towel body connected with the rear wing pad is provided with an inverted U-shaped non-setting adhesive tape; the hydrophobic bottom of back wing pad extends forward and forms one and is used for being stained with the spacing district of crescent of gluing fixed sanitary towel body, back wing pad is provided with the thin arc-shaped connecting band of connecting close skin surface course of one deck in the top in spacing district, the rear end setting of sanitary towel body is in spacing district and connection interband.
Above-mentioned prior art's sanitary towel structure makes sanitary towel be applicable to and uses night through dismantling the back wing pad, but in the majority uses the colony, uses night and extrudees sanitary towel more easily to a large amount of liquid appears, the user also can discharge liquid simultaneously, but this sanitary towel's structure adopts traditional integral type plane formula structure, and there is the water conservancy diversion effect, can not carry out the water conservancy diversion to the extrusion and the liquid that permeates out and absorb, the edge leakage phenomenon appears easily, thereby reduce the travelling comfort of using.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a reverse osmosis resistant liquid sanitary towel, which aims to solve the problem that the side leakage phenomenon is easy to occur due to the fact that liquid permeating due to extrusion and liquid discharged by a user cannot be quickly guided and absorbed in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows: a liquid-impervious sanitary napkin having a hydrophilic layer with an absorbent layer disposed thereon, said absorbent layer comprising:
the liquid guide device comprises a long core body, wherein a plurality of first guide grooves are symmetrically arranged on the long core body from left to right so as to guide liquid to the middle of the long core body;
the flow collecting part is positioned in the middle of the core body, ring grooves are formed in the edge of the flow collecting part, the flow collecting part is formed by encircling the ring grooves, one end of each of the first flow guide grooves corresponds to the ring grooves, and the long core body and the flow collecting part are of an integrated structure;
the separating part is positioned in the flow collecting part and comprises a short core body, the short core body is detachably arranged in the flow collecting part, and a plurality of second flow guide grooves for guiding liquid to the middle part are formed in the short core body.
In the anti-reverse-osmosis liquid sanitary towel, the two sides of the hydrophilic layer are provided with the convex flow blocking strips positioned on the two sides of the long core body, the cross sections of the flow blocking strips are arc-shaped, and the edges of the flow blocking strips, which are close to one side of the long core body, are positioned above the long core body, so that flow blocking included angles are formed between the flow blocking strips and the long core body.
In the anti-reverse-osmosis liquid sanitary towel, the flow blocking strips are formed by winding the water-repellent non-woven fabric, and the flow blocking strips on two sides are connected through the hydrophilic non-woven fabric, so that the hydrophilic non-woven fabric covers the long core body, the flow collecting part and the separating part.
In the anti-reverse osmosis liquid sanitary napkin, the collecting part is internally provided with the short core groove, the side wall of the short core groove is provided with the side groove, and the short core body is embedded in the short core groove so as to ensure that the edge of the short core body is inserted in the side groove.
In foretell anti liquid sanitary towel that prevents oozing, the both ends of short core are the arc end, are provided with the arc side of indent between the arc end at both ends, the annular that mass flow portion edge set up includes bilateral symmetry's arc groove, and the both ends of this arc groove are provided with first inner groovy, and the other end of the first inner groovy of both sides all is provided with the tongue, is connected through the second inner groovy between two tongues of bilateral symmetry, and this second inner groove is corresponding with the arc side.
In the anti-liquid sanitary towel that prevents oozing, the edge of short core is provided with the inclined plane corresponding with the side channel, many the second guiding gutter sets up along the length direction of short core, the groove depth of second guiding gutter is gradually dark toward short core middle part direction, the one end bottom that the second guiding gutter is close to short core middle part is provided with the through-hole to make second guiding gutter and short core groove communicate mutually.
In the anti-reverse osmosis liquid sanitary towel, the first flow guide grooves are arc-shaped grooves, one ends of the first flow guide grooves correspond to the annular grooves, the other ends of the first flow guide grooves are located in the flow blocking included angles, and the circle centers of the arc-shaped grooves are close to the middle of the long core body.
In the anti-reverse-osmosis liquid sanitary towel, the two ends of the flow blocking strips are fixedly connected with the hydrophilic non-woven fabric, so that the hydrophilic non-woven fabric can be lifted upwards relative to the core body to form a gap capable of accommodating the short core body to enter and exit.
In the anti-reverse-osmosis liquid sanitary towel, the two sides of the hydrophilic layer are provided with the water-repellent protective wings, and the core body, the hydrophilic layer, the flow collecting part and the short core body are all provided with a plurality of collecting holes.
The invention has the beneficial effects that: the long core body leads the liquid to the flow collecting part through the first flow guide grooves to prevent the side flow phenomenon when the liquid amount is large, the flow collecting part is formed by surrounding the ring grooves, the ring grooves are matched with the first flow guide grooves, a large amount of liquid is guided to the ring grooves through the first flow guide grooves, the liquid is dispersed through the ring grooves, the large amount of liquid is prevented from being concentrated at the same position of the flow collecting part to reduce the absorption efficiency, the short core pieces of the separating part are matched to further improve the absorption capacity of the short core pieces in the flow collecting part, the second flow guide grooves can show that the large amount of liquid is guided to the short core pieces to further disperse the absorption liquid amount of the long core body, the long core body is prevented from being absorbed slowly to cause side leakage under the condition of a large amount of liquid, the whole structure is more suitable for most of female groups, the absorption core bodies can be flexibly increased, the absorption capacity of the sanitary towel is improved, the side leakage phenomenon can be effectively prevented, and the applicability is high.
Drawings
Fig. 1 is a perspective view of a sanitary napkin according to the present invention.
Fig. 2 is a schematic perspective view of the core, the hydrophilic layer, and the current collecting portion.
Fig. 3 is a perspective view of the core and the collecting portion.
Fig. 4 is a schematic perspective view of the current collector.
Fig. 5 is a schematic perspective view of the short core.
Fig. 6 is a structural view illustrating a state in which the sanitary napkin of the present invention is used.
Fig. 7 is an enlarged schematic view of a structure in fig. 6.
Fig. 8 is an enlarged structural view at B in fig. 6.
In the figure: the core body 1, hydrophilic layer 2, water-repellent flap 3, choked flow strip 4, mass flow portion 5, first guiding gutter 6, short core body 7, short core groove 8, annular 9, second guiding gutter 11, inclined plane 12, hydrophilic non-woven fabrics 13, side channel 14, circular arc end 15, arc side 16, circular arc groove 17, first inner groovy 18, tongue 19, second inner groovy 20.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Combine a liquid sanitary towel that resists reverse osmosis that fig. 1-8 show, it has hydrophilic layer 2, and the bottom surface of hydrophilic layer 2 covers there is the basement membrane, and the basement membrane lower extreme is provided with the diolame, and hydrophilic layer 2's both sides are provided with water-repellent flap 3, are provided with the absorbed layer on hydrophilic layer 2, the absorbed layer includes: the liquid flow-guiding device comprises a long core body 1, a flow-collecting part 5 and a separating part, wherein a plurality of first flow-guiding grooves 6 are symmetrically arranged on the long core body 1 from left to right so as to guide liquid to the middle part of the long core body 1; the flow collecting part 5 is positioned in the middle of the core body 1, the edge of the flow collecting part 5 is provided with a ring groove 9, the flow collecting part 5 is formed by enclosing the ring groove 9, one end of each of the first flow guide grooves 6 corresponds to the ring groove 9, and the long core body 1 and the flow collecting part 5 are of an integrated structure; the separating part is positioned in the collecting part 5 and comprises a short core body 7, the short core body 7 is separably arranged in the collecting part 5, and a plurality of second flow guide grooves 11 for guiding liquid to the middle part are formed in the short core body 7; the long core 1 of this embodiment leads liquid direction mass flow portion 5 through many first guiding gutters 6, lateral flow phenomenon appears when preventing the liquid volume big, and mass flow portion 5 encloses to close through annular 9 and forms, make annular 9 cooperate with many first guiding gutters 6, make a large amount of liquid lead to annular 9 through first guiding gutter 6 earlier, disperse liquid through annular 9, prevent that a large amount of liquid from concentrating to the same position of mass flow portion 5 and reducing the absorption efficiency, cooperate the short core 7 of separator, make short core 7 further improve the absorbed capacity in mass flow portion 5, and second guiding gutter 11 can show a large amount of liquid water conservancy diversion to short core 7, further disperse the absorbed liquid volume of long core 1, prevent that long core 1 from absorbing under the condition of a large amount of liquid and leading to the side leakage slowly, overall structure more is applicable to most women's colony, can increase the absorption core in a flexible way, improve the absorbed capacity of sanitary towel, can also effectively prevent the side leakage phenomenon, and has high applicability.
It should be noted that, the long core 1 and the short core 7 both adopt the open-cell foam formed by polymerization of HIPE, and the core made of the open-cell foam has a drier surface layer compared with the conventional sanitary napkin, so as to better prevent the liquid permeation phenomenon caused by extrusion, and a plurality of collecting holes are arranged on the core 1, the hydrophilic layer 2, the collecting part 5 and the short core 7, so that the liquid can enter the collecting holes to increase the contact surface of the liquid and improve the absorption efficiency of the liquid.
As shown in fig. 1, fig. 2 and fig. 8, two sides of the hydrophilic layer 2 of this embodiment are provided with convex choke strips 4 located at two sides of the long core body 1, a cross section of each choke strip 4 is arc-shaped, and an edge of one side of each choke strip 4 close to the long core body 1 is located above the long core body 1, so that a choke included angle is formed between each choke strip 4 and the long core body 1; including can blockking a large amount of liquid through this choked flow contained angle to make liquid absorb through long core 1 constantly, prevent that liquid from crossing choked flow strip 4 fast and appearing the edge leakage phenomenon, cooperate many first guiding gutters 6 simultaneously, can lead the middle part of long core 1 with the liquid dispersion, improve absorption efficiency.
Wherein, choked flow strip 4 forms for refusing water non-woven fabrics is convoluteed, prevents that choked flow strip 4 from absorbing liquid and can more effectively stop liquid simultaneously and pass through and the edge leakage appears, both sides be connected through hydrophilic non-woven fabrics 13 between the choked flow strip 4 to make hydrophilic non-woven fabrics 13 cover long core 1, mass flow portion 5 and separation portion, can reduce the separation portion and appear the aversion phenomenon in the use, hydrophilic non-woven fabrics 13 and skin contact simultaneously can improve the travelling comfort.
As shown in fig. 3, a short core groove 8 is formed in the collecting portion 5 of the present embodiment, a side groove 14 is formed on a side wall of the short core groove 8, and the short core body 7 is embedded in the short core groove 8, so that an edge of the short core body 7 is inserted into the side groove 14, and the short core body 7 can be conveniently disposed on the collecting portion 5, and therefore, the liquid collecting device is suitable for more people and can adapt to liquid amounts of people who do not need the short core body 7 and need the short core body 7.
In the present embodiment, a hydrophilic nonwoven fabric is used as the hydrophilic layer 2.
As shown in fig. 5, both ends of the short core 7 of the present embodiment are arc ends 15, a concave arc side 16 is disposed between the arc ends 15 at both ends, the ring groove 9 disposed at the edge of the collecting portion 5 includes bilaterally symmetrical arc grooves 17, both ends of the arc groove 17 are provided with first inner grooves 18, the other ends of the first inner grooves 18 at both sides are provided with convex grooves 19, the bilaterally symmetrical two convex grooves 19 are connected by a second inner groove 20, and the second inner groove 20 corresponds to the arc side 16; because the short core body 7 and the flow collecting part 5 are combined, the parting line is provided, the parting line also has a flow guiding function, liquid can be guided to the periphery of the short core body 7 through the arc end 15 and the arc side surface 16, the absorption efficiency is improved, the liquid is prevented from being dispersed and absorbed to the periphery again, and under the structural action of the annular groove 9, the liquid is dispersed and absorbed around the annular groove 9, so that the side leakage phenomenon is prevented.
As shown in fig. 5, the edge of the short core 7 is provided with an inclined plane 12 corresponding to the side groove 14, so that the short core 7 is stabilized in the short core groove 8, the plurality of second guiding grooves 11 are arranged along the length direction of the short core 7, and the groove depth of the second guiding grooves 11 gradually deepens toward the middle of the short core 7, so that the liquid is better guided to the middle of the short core 7, a through hole is arranged at the bottom of one end of the second guiding groove 11 close to the middle of the short core 7, so that the second guiding groove 11 is communicated with the short core groove 8, so that the short core 7 and the short core groove 8 are matched and absorbed together, so that the liquid can be better absorbed, and since the bottom end face of the short core 7 actually has a gap with the short core groove 8, the liquid is better prevented from being extruded and permeating outwards due to extrusion, if the extruded liquid is also absorbed through the short core 7 first.
As shown in fig. 3, the first flow guide grooves 6 of this embodiment are arc grooves, one end of each first flow guide groove 6 corresponds to the annular groove 9, the other end of each first flow guide groove is located in the flow-blocking included angle, so that the liquid can better enter the first flow guide grooves 6, and the circle centers of the arc grooves are close to the middle of the long core 1, so that the liquid can better guide the flow-collecting portion 5, and in the use process, under the action of the arc grooves, the sanitary napkin is more smoothly bent.
As shown in fig. 6, both ends of the choked flow bar 4 are fixedly connected to the hydrophilic nonwoven fabric 13, so that the hydrophilic nonwoven fabric 13 can be lifted upward relative to the core body 1 to form a gap for accommodating the short core body 7 to enter and exit, so that a user can lift the hydrophilic nonwoven fabric 13 to place the short core piece 7 in the short core groove 8, and the placement and use are convenient.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (9)
1. A liquid-repellent sanitary towel with a hydrophilic layer (2), which hydrophilic layer (2) is provided with an absorbent layer, characterized in that the absorbent layer comprises:
the liquid guide device comprises a long core body (1), wherein a plurality of first guide grooves (6) are symmetrically arranged on the long core body (1) from left to right so as to guide liquid to the middle of the long core body (1);
the flow collecting part (5) is positioned in the middle of the core body (1), a ring groove (9) is formed in the edge of the flow collecting part (5), the flow collecting part (5) is formed by enclosing the ring groove (9), one end of each of the first flow guide grooves (6) corresponds to the ring groove (9), and the long core body (1) and the flow collecting part (5) are of an integrated structure;
the separating part is positioned in the collecting part (5) and comprises a short core body (7), the short core body (7) is detachably arranged in the collecting part (5), and a plurality of second flow guide grooves (11) for guiding liquid to the middle part are formed in the short core body (7).
2. A liquid-impervious sanitary napkin according to claim 1, wherein both sides of the hydrophilic layer (2) are provided with convex flow-blocking strips (4) positioned on both sides of the long core body (1), the cross-section of each flow-blocking strip (4) is arc-shaped, and the edge of one side of each flow-blocking strip (4) close to the long core body (1) is positioned above the long core body (1) so as to form a flow-blocking included angle between each flow-blocking strip (4) and the long core body (1).
3. The anti-reverse-osmosis liquid sanitary towel according to claim 2, characterized in that the flow blocking strips (4) are formed by winding water-repellent non-woven fabrics, and the flow blocking strips (4) on two sides are connected through hydrophilic non-woven fabrics (13) so that the hydrophilic non-woven fabrics (13) cover the long core body (1), the flow collecting part (5) and the separating part.
4. The anti-reverse osmosis liquid sanitary towel according to claim 3, wherein the collecting part (5) is internally provided with a short core groove (8), the side wall of the short core groove (8) is provided with a side groove (14), and the short core body (7) is embedded in the short core groove (8) so that the edge of the short core body (7) is inserted in the side groove (14).
5. The sanitary towel according to claim 4, characterized in that the short core (7) has two ends each being a circular arc end (15), a concave arc side (16) is provided between the circular arc ends (15), the annular groove (9) provided at the edge of the collecting portion (5) comprises bilaterally symmetrical circular arc grooves (17), first inner grooves (18) are provided at the two ends of the circular arc grooves (17), the other ends of the first inner grooves (18) at the two sides are each provided with a convex groove (19), the bilaterally symmetrical two convex grooves (19) are connected through a second inner groove (20), and the second inner groove (20) corresponds to the arc side (16).
6. The sanitary napkin for resisting reverse osmosis of liquid according to claim 4, wherein the edge of the short core body (7) is provided with an inclined surface (12) corresponding to the side groove (14), a plurality of second channels (11) are arranged along the length direction of the short core body (7), the depth of the second channels (11) gradually increases towards the middle of the short core body (7), and the bottom of the second channels (11) near the middle of the short core body (7) is provided with a through hole, so that the second channels (11) are communicated with the short core groove (8).
7. The anti-reverse-osmosis liquid sanitary towel according to claim 3, wherein the first flow guide grooves (6) are all arc-shaped grooves, one end of each first flow guide groove (6) corresponds to the ring groove (9), the other end of each first flow guide groove is positioned in the included flow-resisting angle, and the centers of the arc-shaped grooves are close to the middle part of the long core body (1).
8. A liquid-impervious sanitary napkin as claimed in claim 3, wherein both ends of the flow-resisting strip (4) are fixedly connected with the hydrophilic nonwoven (13) so that the hydrophilic nonwoven (13) can be lifted upward relative to the core (1) to form a gap for the short core (7) to enter and exit.
9. The anti-reverse-osmosis liquid sanitary towel is characterized in that water-repellent protective wings (3) are arranged on two sides of the hydrophilic layer (2), and a plurality of collecting holes are formed in the core body (1), the hydrophilic layer (2), the collecting part (5) and the short core body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211416181.7A CN115444664B (en) | 2022-11-12 | 2022-11-12 | Reverse osmosis-resistant liquid sanitary towel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211416181.7A CN115444664B (en) | 2022-11-12 | 2022-11-12 | Reverse osmosis-resistant liquid sanitary towel |
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| CN115444664A true CN115444664A (en) | 2022-12-09 |
| CN115444664B CN115444664B (en) | 2023-11-17 |
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| CN202211416181.7A Active CN115444664B (en) | 2022-11-12 | 2022-11-12 | Reverse osmosis-resistant liquid sanitary towel |
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| Publication number | Publication date |
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| CN115444664B (en) | 2023-11-17 |
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