CN115444664B - Reverse osmosis-resistant liquid sanitary towel - Google Patents
Reverse osmosis-resistant liquid sanitary towel Download PDFInfo
- Publication number
- CN115444664B CN115444664B CN202211416181.7A CN202211416181A CN115444664B CN 115444664 B CN115444664 B CN 115444664B CN 202211416181 A CN202211416181 A CN 202211416181A CN 115444664 B CN115444664 B CN 115444664B
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- Prior art keywords
- core body
- groove
- collecting part
- short
- liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 69
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 28
- 239000004745 nonwoven fabric Substances 0.000 claims description 19
- 239000005871 repellent Substances 0.000 claims description 6
- 230000002745 absorbent Effects 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 5
- 230000002940 repellent Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 17
- 238000001125 extrusion Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 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
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
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention relates to the technical field of sanitary pads, and particularly discloses an anti-reverse osmosis liquid sanitary towel which is provided with a hydrophilic layer, wherein an absorption layer is arranged on the hydrophilic layer, and comprises the following components: the long core body is provided with a plurality of first diversion trenches in bilateral symmetry so as to divert 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 ends of the plurality of first diversion trenches correspond to the ring groove, and the long core body and the flow collecting part are of an integrated structure; the separation part is positioned in the current collecting part and comprises a short core body, the short core body is detachably arranged in the current collecting part, and a plurality of second diversion trenches for guiding liquid to the middle part are arranged on the short core body; the anti-reverse osmosis liquid sanitary towel body structure is more suitable for most female groups, can flexibly increase the absorption core body, improves the absorption capacity of the sanitary towel, can effectively prevent side leakage, and has high applicability.
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 should also provide a comfortable and fresh feel to the wearer.
A detachable sanitary towel for daily and night use, as disclosed in Chinese patent document CN206508125U, comprises a sanitary towel body, wherein reinforcing wings are arranged on two sides of the sanitary towel body; the back end of the sanitary towel body is provided with a bib-shaped back wing pad which is mutually matched and connected, and the edge of the sanitary towel body connected with the back wing pad is provided with an inverted U-shaped self-adhesive tape; the hydrophobic bottom layer of back wing pad extends forward and forms a crescent spacing district that is used for being stained with to fix sanitary towel body, back wing pad is provided with the arc connecting band of the thin connection skin-friendly surface course of one deck in the top of spacing district, the rear end setting of sanitary towel body is between spacing district and connecting band.
The sanitary towel structure of the prior art is characterized in that the sanitary towel is suitable for being used at night through the detachable rear wing pad, most of use groups are more likely to squeeze the sanitary towel at night, so that a large amount of liquid is generated, meanwhile, a user can also discharge the liquid, the structure of the sanitary towel adopts a traditional integrated plane structure, the structure has no flow guiding effect, the liquid which is permeated out by squeezing cannot be guided and absorbed, and side leakage phenomenon is likely to occur, so that the comfort of use is reduced.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an anti-reverse osmosis liquid sanitary towel, which solves the problem that the side leakage phenomenon is easy to occur because liquid which is permeated out due to extrusion and liquid which is discharged by a user can not be quickly guided and absorbed in the background art.
The technical scheme adopted for solving the technical problems is as follows: an anti-reverse osmosis liquid sanitary napkin having a hydrophilic layer with an absorbent layer disposed thereon, the absorbent layer comprising:
the long core body is provided with a plurality of first diversion trenches in a bilateral symmetry manner so as to lead the liquid to be diverted to the middle part of the long core body;
the long core body and the current collecting part are of an integrated structure;
the separation part is positioned in the current collecting part and comprises a short core body, the short core body is detachably arranged in the current collecting part, and a plurality of second diversion trenches for guiding liquid to the middle part are arranged on the short core body.
In the above-mentioned anti-reverse osmosis liquid sanitary towel, the two sides of the hydrophilic layer are provided with the raised flow blocking strips positioned at the two sides of the long core body, the section of the flow blocking strips is arc-shaped, and the edge of the flow blocking strip close to one side of the long core body is positioned above the long core body, so that a flow blocking included angle is 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 water-repellent non-woven fabrics, and the two sides of the flow blocking strips are connected through hydrophilic non-woven fabrics, so that the hydrophilic non-woven fabrics cover the long core body, the current collecting part and the separating part.
In the anti-reverse osmosis liquid sanitary towel, 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 that the edge of the short core body is inserted in the side groove.
In the anti-reverse osmosis liquid sanitary towel, the two ends of the short core body are arc ends, an inward concave arc side face is arranged between the arc ends of the two ends, the annular groove arranged at the edge of the collecting part comprises a bilaterally symmetrical arc groove, the two ends of the arc groove are provided with first inner grooves, the other ends of the first inner grooves on the two sides are provided with convex grooves, the two convex grooves which are bilaterally symmetrical are connected through a second inner groove, and the second inner groove corresponds to the arc side face.
In the anti-reverse osmosis liquid sanitary towel, the edge of the short core body is provided with the inclined plane corresponding to the side grooves, a plurality of second diversion grooves are formed in the length direction of the short core body, the groove depth of each second diversion groove is gradually deep towards the middle of the short core body, and a through hole is formed in the bottom of one end, close to the middle of the short core body, of each second diversion groove, so that the second diversion grooves are communicated with the short core grooves.
In the anti-reverse osmosis liquid sanitary towel, the plurality of first diversion trenches are arc-shaped trenches, one ends of the first diversion trenches correspond to the annular grooves, the other ends of the first diversion trenches are positioned in the flow blocking included angles, and the centers of the arc-shaped trenches 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 strip are fixedly connected with the hydrophilic non-woven fabric, so that the hydrophilic non-woven fabric can be lifted upwards relative to the long 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 water repellent wings are arranged on the two sides of the hydrophilic layer, and the long core body, the hydrophilic layer, the current collecting part and the short core body are all provided with a plurality of collecting holes.
The invention has the beneficial effects that: according to the invention, the long core body guides the liquid to the current collecting part through the plurality of first diversion grooves, so that the phenomenon of side flow is prevented when the liquid amount is large, the current collecting part is formed by encircling the annular grooves, so that the annular grooves are matched with the plurality of first diversion grooves, a large amount of liquid is guided to the annular grooves through the first diversion grooves, the liquid is dispersed through the annular grooves, the large amount of liquid is prevented from being concentrated to the same position of the current collecting part to reduce the absorption efficiency, the short core body is matched with the short core body of the separating part, the absorption amount is further improved in the current collecting part, the second diversion grooves can indicate that a large amount of liquid is guided to the short core body, the absorption liquid amount of the long core body is further dispersed, the side leakage caused by slow absorption of the long core body under the condition of a large amount of liquid is prevented, the whole structure is more suitable for most female groups, the absorption core body can be flexibly increased, the absorption amount of the sanitary towel is improved, the side leakage phenomenon can be effectively prevented, and the applicability is high.
Drawings
Fig. 1 is a schematic perspective view of a sanitary napkin of the present invention.
Fig. 2 is a schematic perspective view of a long core, a hydrophilic layer, and a current collector.
Fig. 3 is a schematic perspective view of a long core and a current collector.
Fig. 4 is a schematic perspective view of a current collector.
Fig. 5 is a schematic view of a three-dimensional connection structure of the short core.
Fig. 6 is a schematic view showing the structure of the sanitary napkin according to the present invention in use.
Fig. 7 is an enlarged schematic view of the structure at a in fig. 6.
Fig. 8 is an enlarged schematic view of the structure at B in fig. 6.
In the figure: the waterproof fabric comprises a long core body 1, a hydrophilic layer 2, waterproof wings 3, flow blocking strips 4, a current collecting part 5, a first flow guiding groove 6, a short core body 7, a short core groove 8, an annular groove 9, a second flow guiding groove 11, an inclined surface 12, hydrophilic non-woven fabrics 13, side grooves 14, arc ends 15, arc side surfaces 16, arc grooves 17, a first inner groove 18, a convex groove 19 and a second inner groove 20.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
An anti-reverse osmosis liquid sanitary towel that combines the fig. 1 through 8 to show, it has hydrophilic layer 2, and the bottom surface of hydrophilic layer 2 covers there is the carrier film, and the carrier film lower extreme is provided with the diolame, and the both sides of hydrophilic layer 2 are provided with water repellent flap 3, are provided with the absorbed layer on hydrophilic layer 2, the absorbed layer includes: the long core body 1, the current collecting part 5 and the separating part, wherein a plurality of first diversion trenches 6 are symmetrically arranged on the long core body 1 left and right so as to lead the liquid to flow to the middle part of the long core body 1; the current collecting part 5 is positioned in the middle of the long core body 1, the edge of the current collecting part 5 is provided with a ring groove 9, the current collecting part 5 is formed by encircling the ring groove 9, one ends of the plurality of first diversion trenches 6 correspond to the ring groove 9, and the long core body 1 and the current collecting part 5 are of an integrated structure; the separation part is positioned in the current collecting part 5, the separation part comprises a short core body 7, the short core body 7 is detachably arranged in the current collecting part 5, and a plurality of second diversion trenches 11 for guiding liquid to the middle part are arranged on the short core body 7; the long core body 1 of this embodiment leads the liquid to the current collecting part 5 through a plurality of first guiding grooves 6, the sidestream phenomenon appears when preventing that the liquid volume is big, and current collecting part 5 is enclosed through annular groove 9 and closes for annular groove 9 and a plurality of first guiding grooves 6 cooperate, make a large amount of liquid lead to annular groove 9 through first guiding groove 6 earlier, disperse liquid through annular groove 9, prevent that a large amount of liquid from concentrating to the same position of current collecting part 5 and reducing absorption efficiency, cooperate the short chip 7 of separation part, make to the short chip 7 further improve the absorption volume in current collecting part 5, and the second guiding groove 11 can indicate that a large amount of liquid is led to short chip 7, further disperse the absorption liquid volume of long core body 1, prevent that long core body 1 from absorbing slowly and leading to the sidestream under the condition of a large amount of liquid, overall structure is more applicable to most women's group, can increase the absorption core body in a flexible way, improve the absorption volume of sanitary towel, can also prevent effectively that the sidestream phenomenon, the suitability is high.
It should be noted that, the long core body 1 and the short core body 7 are both open-cell foams formed by polymerization of HIPE, and the core body made of the open-cell foams is dry and comfortable compared with the traditional sanitary towel, and the phenomenon of liquid permeation caused by extrusion is better prevented, and the long core body 1, the hydrophilic layer 2, the current collecting part 5 and the short core body 7 are all provided with a plurality of collecting holes, so that 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, 2 and 8, two sides of the hydrophilic layer 2 in the present embodiment are provided with raised flow blocking strips 4 located at two sides of the long core 1, the section of the flow blocking strips 4 is arc-shaped, and the edge of the flow blocking strip 4 near one side of the long core 1 is located above the long core 1, so that a flow blocking angle is formed between the flow blocking strips 4 and the long core 1; through this choked flow contained angle can block a large amount of liquid in to make liquid constantly absorb through long core 1, prevent that liquid from crossing choked flow strip 4 fast and appearing the side leakage phenomenon, cooperation many first guiding grooves 6 simultaneously can be with the middle part of liquid dispersion direction long core 1, improve absorption efficiency.
The flow blocking strips 4 are formed by winding water-repellent non-woven fabrics, so that the flow blocking strips 4 can be prevented from absorbing liquid and can effectively prevent the liquid from passing through to cause side leakage, the two sides of the flow blocking strips 4 are connected through the hydrophilic non-woven fabrics 13, the hydrophilic non-woven fabrics 13 cover the long core body 1, the current collecting part 5 and the separating part, the displacement phenomenon of the separating part in the using process can be reduced, and meanwhile, the hydrophilic non-woven fabrics 13 are contacted with the skin, so that the comfort can be improved.
As shown in fig. 3, the current collecting portion 5 of the embodiment 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 7 is embedded in the short core groove 8, so that the edge of the short core 7 is inserted in the side groove 14, and the short core 7 can be conveniently arranged on the current collecting portion 5, so that more applicable people can adapt to the liquid volume of people who do not need the short core 7 and need the short core 7.
The hydrophilic layer 2 of this example was also made of a hydrophilic nonwoven fabric.
As shown in fig. 5, the two ends of the short core 7 of the embodiment are arc ends 15, an arc side 16 with concave is arranged between the arc ends 15 of the two ends, the ring groove 9 arranged at the edge of the current collecting part 5 comprises a left-right symmetrical arc groove 17, two ends of the arc groove 17 are provided with a first inner groove 18, the other ends of the first inner grooves 18 on two sides are provided with convex grooves 19, the two convex grooves 19 with left-right symmetrical are connected through a second inner groove 20, and the second inner groove 20 corresponds to the arc side 16; after the short core 7 is combined with the current collecting part 5, a dividing line is arranged, the dividing line has a flow guiding function, liquid can be guided to the periphery of the short core 7 through the arc end 15 and the arc side face 16, the absorption efficiency is improved, the liquid is prevented from dispersing to the periphery again, and the liquid is dispersed and absorbed around the annular groove 9 under the structural function of 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, a plurality of second diversion grooves 11 are arranged along the length direction of the short core 7, the groove depth of each second diversion groove 11 is gradually deeper towards the middle part of the short core 7, so that liquid is better guided to the middle part of the short core 7, a through hole is formed in the bottom of one end, close to the middle part of the short core 7, of each second diversion groove 11, so that the second diversion grooves 11 are communicated with the short core groove 8, and the short core 7 and the short core groove 8 are matched together to absorb liquid, and because a gap exists between the bottom end face of the short core 7 and the short core groove 8 in practice, the liquid is better prevented from being extruded and penetrating outwards due to extrusion, and if extrusion occurs, the liquid is absorbed through the short core 7.
As shown in fig. 3, the first plurality of guide grooves 6 in this embodiment are arc grooves, one end of the first guide groove 6 corresponds to the annular groove 9, and the other end is located in the flow blocking angle, so that liquid can be better introduced into the first guide groove 6, and the center of the arc grooves is close to the middle of the long core 1, so that the liquid can be better guided to the collecting portion 5, and in the use process, under the action of the arc grooves, the sanitary towel is smoothly bent.
As shown in fig. 6, both ends of the flow blocking strip 4 are fixedly connected with the hydrophilic non-woven fabric 13, so that the hydrophilic non-woven fabric 13 can be lifted upwards relative to the long core body 1 to form a gap capable of accommodating the short core body 7 to enter and exit, and a user can lift the hydrophilic non-woven fabric 13 conveniently, place the short core 7 into the short core groove 8, and are convenient to place and use.
The embodiments of the present invention have been described in detail above 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 to these embodiments without departing from the principles and spirit of the invention, and yet fall within the scope of the invention.
Claims (3)
1. A reverse osmosis resistant liquid sanitary napkin having a hydrophilic layer (2), said hydrophilic layer (2) having an absorbent layer disposed thereon, characterized in that said absorbent layer comprises:
the liquid guide device comprises a long core body (1), wherein a plurality of first guide grooves (6) are symmetrically formed in the long core body (1) in a left-right mode so that liquid can be guided to the middle of the long core body (1);
the two sides of the hydrophilic layer (2) are provided with raised flow blocking strips (4) positioned at the two sides of the long core body (1), the section of the flow blocking strips (4) is arc-shaped, and the edge of one side of the flow blocking strips (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 the flow blocking strips (4) and the long core body (1);
the collecting part (5) is positioned in the middle of the long core body (1), an annular groove (9) is formed in the edge of the collecting part (5), the collecting part (5) is formed by encircling the annular groove (9), one ends of the plurality of first diversion trenches (6) correspond to the annular groove (9), and the long core body (1) and the collecting part (5) are of an integrated structure;
a short core groove (8) is formed in the current collecting part (5), a side groove (14) is formed in the side wall of the short core groove (8), 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), and therefore the short core body (7) can be conveniently arranged on the current collecting part (5);
the first diversion trenches (6) are arc-shaped trenches, one ends of the first diversion trenches (6) correspond to the annular grooves (9), the other ends of the first diversion trenches are positioned in the choked flow included angles, and the circle centers of the arc-shaped trenches are close to the middle of the long core body (1);
the separation part is positioned in the current collecting part (5), the separation part comprises a short core body (7), the short core body (7) is detachably arranged in the current collecting part (5), and a plurality of second diversion trenches (11) for guiding liquid to the middle part are arranged on the short core body (7);
the edge of the short core body (7) is provided with inclined planes (12) corresponding to the side grooves (14), a plurality of second diversion grooves (11) are arranged along the length direction of the short core body (7), the groove depth of each second diversion groove (11) gradually deepens towards the middle part of the short core body (7), and a through hole is formed in the bottom of one end, close to the middle part of the short core body (7), of each second diversion groove (11) so that each second diversion groove (11) is communicated with each short core groove (8);
the two ends of the short core body (7) are arc ends (15), an inward concave arc side face (16) is arranged between the arc ends (15) of the two ends, the annular groove (9) arranged at the edge of the current collecting part (5) comprises bilateral symmetry arc grooves (17), the two ends of the arc grooves (17) are provided with first inner grooves (18), the other ends of the first inner grooves (18) on the two sides are provided with convex grooves (19), the two convex grooves (19) which are bilateral symmetry are connected through a second inner groove (20), and the second inner groove (20) corresponds to the arc side face (16);
the two sides of the flow blocking strips (4) are connected through the hydrophilic non-woven fabric (13), so that the hydrophilic non-woven fabric (13) covers the long core body (1), the current collecting part (5) and the separating part, and the two ends of the flow blocking strips (4) are fixedly connected with the hydrophilic non-woven fabric (13), so that the hydrophilic non-woven fabric (13) can be lifted upwards relative to the long core body (1) to form a gap capable of accommodating the short core body (7) to enter and exit.
2. The anti-reverse osmosis liquid sanitary towel according to claim 1, characterized in that the flow blocking strip (4) is wound from a water-repellent nonwoven fabric.
3. The anti-reverse osmosis liquid sanitary towel according to claim 1, wherein the water repellent wings (3) are arranged on two sides of the hydrophilic layer (2), and a plurality of collecting holes are formed in the long core body (1), the hydrophilic layer (2), the current collecting part (5) and the short core body (7).
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| CN202211416181.7A CN115444664B (en) | 2022-11-12 | 2022-11-12 | Reverse osmosis-resistant liquid sanitary towel |
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| CN115444664A CN115444664A (en) | 2022-12-09 |
| CN115444664B true CN115444664B (en) | 2023-11-17 |
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| CN115444664A (en) | 2022-12-09 |
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