CN214129055U - Core structure of paper diaper - Google Patents
Core structure of paper diaper Download PDFInfo
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- CN214129055U CN214129055U CN202022048317.6U CN202022048317U CN214129055U CN 214129055 U CN214129055 U CN 214129055U CN 202022048317 U CN202022048317 U CN 202022048317U CN 214129055 U CN214129055 U CN 214129055U
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Abstract
The utility model belongs to the technical field of panty-shape diapers processing, specifically disclose panty-shape diapers core structure, including surface course, basement membrane and the absorption core that is located between surface course and the basement membrane, be equipped with ventilative through-hole on the absorption core, the positive and negative two sides of absorption core are pasted respectively and are fixed with the non-woven fabrics, and surface course, basement membrane hot pressing are respectively fixed at the positive and negative two sides of absorption core, and absorption core hot pressing seal vestige profile is the rectangle, and ventilative through-hole is located and absorbs core hot pressing seal vestige profile. The utility model aims to provide a paper diaper core structure to there is the technical problem in clearance in solution paper diaper core through-hole department and surface course and basement membrane.
Description
Technical Field
The utility model belongs to the technical field of panty-shape diapers processing.
Background
At present, the absorption core used for absorbing and storing urine in sanitary products such as paper diapers, paper diapers and paper diapers is generally a polymeric absorption core, and the existing paper diapers generally comprise a surface layer, a bottom film and an absorption core positioned between the surface layer and the bottom film. The prior paper diaper can not permeate down quickly after absorbing liquid, even slowly permeate back after permeating down, and has poor air permeability, so that the small environment formed by the using part of a user and the surface layer is always in a moist and sultry state.
The Chinese utility model discloses a dry paper diaper (publication No. CN202458933U) to this problem, including surface course, basement membrane and the absorption core that is located between surface course and the basement membrane, surface course, basement membrane and absorption core pressfitting are equipped with ventilative through-hole on the absorption core.
The scheme can increase the infiltration speed and the absorption capacity of liquid by utilizing the through holes, and enhances the air permeability. However, the through hole on the core body is through, and simultaneously, the problem of side leakage of liquid from the gap of the through hole is easily caused by the gap between the through hole of the core body and the surface layer and the bottom film.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a paper diaper core structure to there is the technical problem in clearance in solution paper diaper core through-hole department and surface course and basement membrane.
In order to achieve the above object, the basic scheme of the utility model is: the paper diaper core structure comprises a surface layer, a bottom film and an absorption core body located between the surface layer and the bottom film, wherein the absorption core body is provided with a ventilation through hole, the front surface and the back surface of the absorption core body are respectively pasted and fixed with non-woven fabrics, the surface layer and the bottom film are respectively fixed on the front surface and the back surface of the absorption core body in a hot-pressing mode, the outline of the hot-pressing sealing trace of the absorption core body is rectangular, and the ventilation through hole is located in the outline of the hot-pressing sealing trace of the absorption core body.
The working principle and the beneficial effects of the basic scheme are as follows: this technical scheme is through add the non-woven fabrics on absorbing the core surface to when reaching to ensure ventilative ventilation, can also effectively prevent to absorb the interior polymer that absorbs water of core and spill. This technical scheme makes the hot pressing position reserve certain space to ventilative through-hole through the pressfitting profile, and this space can provide the inflation space of the interior polymer that absorbs water of absorption core when meeting water inflation.
Compare in prior art's panty-shape diapers core structure, fixed non-woven fabrics and the fixed mode of hot pressing are pasted in this technical scheme adoption to the realization is to ventilative through hole thorough sealing all around, and fundamentally has avoided appearing the clearance between absorption core and surface course, the basement membrane and has produced, effectively avoids liquid to take place from the problem of ventilative through hole clearance department edge leakage, effectively improves the comfort level that panty-shape diapers used.
Furthermore, the top end of the air-permeable through hole and the outer edge of the bottom end of the air-permeable through hole are respectively fixed with a bulge, and blind grooves matched with the bulges are formed in the side, close to the absorption core body, of the surface layer and the bottom membrane.
Has the advantages that: the technical scheme utilizes the bulges on the upper surface and the lower surface of the absorption core body to realize the insertion fit with the blind grooves between the surface layer and the bottom film. Through with protruding and blind groove grafting cooperation, reach the effect that improves the leakproofness around the ventilative through-hole, utilize the grafting of protruding and blind groove to play and strengthen surface course, basement membrane and absorption core in the joint strength of ventilative through-hole department, effectively avoid ventilative through-hole department to appear the condition emergence in clearance, improve the seal of absorption core ventilative through-hole department.
Furthermore, the bulge is of a circular ring structure, the inner diameter of the bulge is the same as that of the ventilation through hole, and the blind groove is an annular blind groove matched with the bulge.
Has the advantages that: this technical scheme is through the arch of injecing the ring structure to sealed grafting around making ventilative through-hole effectively avoids ventilative through-hole to appear the problem emergence in clearance all around.
Further, the height of the protrusions is 0.2-1.0 mm.
Has the advantages that: this technical scheme is through injecing bellied height to realize the effect of optimization, also can not influence the use of normal panty-shape diapers when making protruding realization sealed cooperation.
Furthermore, the inner wall of the ventilation through hole is fixedly connected with a support sheet.
Has the advantages that: this technical scheme is through set up the backing sheet at ventilative through-hole's inner wall to the effect of realizing supporting the absorption core body avoids the absorption core body to take place because self sinks and leads to blockking up ventilative through-hole.
Furthermore, flexible sleeves are sleeved at the head end and the tail end of the supporting sheet.
Has the advantages that: according to the technical scheme, the flexible sleeves are sleeved at the head end and the tail end of the supporting sheet to play a soft buffering role. Avoid the uncomfortable use experience in the process of using the paper diaper.
Furthermore, the protrusion is of a flexible sphere structure, the inner cavity of the blind groove is a spherical cavity matched with the protrusion, and the inner diameter of the opening of the blind groove is smaller than the radius of the protrusion.
Has the advantages that: this technical scheme utilizes the arch of spheroid structure to insert in the blind groove to realize the fixed connection to absorbing the core. Meanwhile, the characteristic of flexibility of the ball body is utilized, so that the bulge can be inserted into a blind groove opening with the inner diameter smaller than the radius of the bulge, and the tightness of the fixed connection between the bulge and the blind groove opening is effectively improved.
Further, the protrusions comprise a plurality of outwardly convex cylinders surrounding a peripheral annular array of ventilation through holes.
Has the advantages that: this technical scheme is through adopting the arch of a plurality of cylinders to improve the sealed effect of the ventilative through holes department that absorbs the core. When one or more cylinders lose the sealing effect, the residual cylinders are matched with the blind grooves in an inserted manner, and the sealing technical effect can be achieved.
Furthermore, one end of the cylinder, which is far away from the absorption core body, is of a pointed structure.
Has the advantages that: this technical scheme is through adopting the cylinder that the free end is the tip structure to it is more smooth with the process that the cylinder corresponds the blind groove of inserting, absorbs the convenience of cooperation between core and basement membrane, the surface course in order to operating personnel.
Furthermore, the cross section of each ventilation through hole is in a strip shape, and the adjacent ventilation through holes are mutually staggered.
Has the advantages that: the ventilation through holes of the strip-shaped structures have the ventilation effect, and can also improve infiltration, flow guidance and softness.
Drawings
Fig. 1 is a schematic top view of a disposable diaper according to an embodiment of the present invention;
FIG. 2 is a partial side sectional view of a diaper according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a diaper according to an embodiment of the present invention without a surface layer;
fig. 4 is a partial side view of a three-layer diaper according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the absorbing core body 1, the basement membrane 2, the surface layer 3, the bulges 4, the blind grooves 5, the supporting sheets 6, the flexible leather sheath 7 and the ventilation through holes 8.
Example one
A paper diaper core structure is shown in figure 1 and comprises an absorption core 1. The upper layer of the absorption core body 1 is provided with a surface layer 3, and the lower layer of the absorption core body 1 is provided with a bottom film 2.
A plurality of air through holes 8 are uniformly formed on the surface of the absorption core body 1, and the cross sections of the air through holes 8 are of strip-shaped structures. The left and right adjacent strip-shaped ventilation through holes 8 are arranged in a staggered way. The upper surface and the lower surface of the absorption core body 1 are respectively wrapped and fixed with a layer of non-woven fabric. The nonwoven is fixed to the outer surface of the absorbent core 1 by a sizing process. The surface layer 3, the absorption core body 1 and the bottom film 2 are fixedly connected through pressing, the outline of the pressed sealing trace is rectangular, and all the air through holes 8 are positioned in the outline of the pressed sealing trace.
The specific implementation process is as follows: in the process of processing the absorbent core 1, a plurality of strip-shaped air-permeable through holes 8 are uniformly cut on the surface of the absorbent core 1. Then the non-woven fabrics are respectively fixed on the inner surface and the outer surface of the absorption core body 1 by utilizing a sizing process. Then respectively placing the surface layer 3 and the bottom film 2 on the inner surface and the outer surface of the absorption core body 1, and finally fixing the absorption core body 1, the bottom film 2 and the surface layer 3 together in a hot-pressing mode, wherein all the air through holes 8 are positioned in the pressed sealing trace outline.
Example two
The difference between this embodiment and the first embodiment is that, as shown in fig. 2, the cross section of the ventilation through holes 8 is circular, wherein the top and the bottom of the absorbent core 1 at the position of each ventilation through hole 8 are fixedly adhered with a ring-shaped structure protrusion 4 made of flexible rubber material, the height of the protrusion 4 is 0.72mm, and the inner diameter of the protrusion 4 is the same as the inner diameter of the ventilation through hole 8. A supporting sheet 6 with an annular structure is fixedly connected to the inner wall of the ventilation through hole 8 in a sticking mode, and flexible leather sleeves 7 are sleeved at the top end and the bottom end of the supporting sheet 6. The bottom surface of the surface layer 3 and the top surface of the bottom film 2 are provided with a plurality of blind grooves 5 with annular structures, each blind groove 5 corresponds to each bulge 4 on the absorption core body 1, and the depth of each blind groove 5 is greater than the height of each bulge 4.
The specific implementation process is as follows: in the process of processing the absorption core body 1, a plurality of air through holes 8 are uniformly cut on the surface of the absorption core body 1, and the cross section of each air through hole 8 is circular. Then, the supporting sheet 6 with the annular structure is stuck and fixed on the inner wall of each air through hole 8, and the flexible leather sheath 7 is respectively sleeved at the upper end and the lower end of the supporting sheet 6. Then, the annular protrusions 4 are sequentially adhered and fixed on the front surface and the back surface of each air through hole 8, and the axes of the annular protrusions 4 are coaxial with the axes of the air through holes 8. Then respectively attaching the surface layer 3 and the basement membrane 2 to the upper surface and the lower surface of the absorption core body 1, wherein the surface layer 3 and the annular blind grooves 5 on the basement membrane 2 are respectively correspondingly inserted into the annular bulges 4 on the upper surface and the lower surface of the absorption core body 1 until the surface of the absorption core body 1 is completely and tightly attached to the surface layer 3 and the basement membrane 2. Finally, the protrusion 4 is fixed in the groove by heating in a hot melting mode.
EXAMPLE III
The difference between this embodiment and the second embodiment is that, as shown in fig. 3, nine protrusions 4 with cylindrical structures are respectively adhered and fixed around each air-permeable through hole 8, and one end of each cylinder far away from the absorbent core 1 is in a pointed structure. Nine protrusions 4 are arranged in an equally spaced array along the vent holes 8. Each blind groove 5 of the surface layer 3 and the bottom film 2 comprises nine blind grooves 5 which are mutually inserted and matched with the cylinders.
The specific implementation process comprises the following steps: in the fixed in-process of closely laminating with absorbing 1 top surface of core and bottom surface respectively at surface course 3 and basement membrane 2, the arch 4 of every cylinder structure inserts corresponding blind groove 5 in proper order, and the cylinder that is the tip structure in the in-process outer end of inserting can insert blind groove 5 more accurately and easily, improves the convenience of laminating between absorbing core 1 and basement membrane 2, the surface course 3.
Example four
The difference between this embodiment and the second embodiment is that, as shown in fig. 4, four protrusions 4 of flexible sphere structure are respectively adhered and fixed around each air-permeable through hole 8. Each blind groove 5 of the surface layer 3 and the bottom film 2 comprises four blind grooves 5 of spherical cavities which are in inserted connection with the spherical bulges 4. The inner diameter of the opening of the blind groove 5 is smaller than the radius of the bulge 4 of the sphere structure.
The specific implementation process comprises the following steps: in the process that the surface layer 3 and the bottom film 2 are tightly attached and fixed with the top surface and the bottom surface of the absorption core body 1 respectively, the bulges 4 of each sphere structure are inserted into the corresponding blind grooves 5 so as to realize the fixation of the sphere structures. Meanwhile, the characteristic of flexibility of the ball body is utilized, so that the bulge 4 can be inserted into the opening of the blind groove 5 with the inner diameter smaller than the radius of the bulge 4, the tightness of the fixed connection between the bulge 4 and the blind groove 5 is improved, and the falling off between the bulge 4 and the blind groove 5 is effectively avoided.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.
Claims (10)
1. Panty-shape diapers core structure includes surface course, basement membrane and is located the absorption core between surface course and the basement membrane, be equipped with ventilative through-hole, its characterized in that on the absorption core: the absorption core body is characterized in that non-woven fabrics are respectively stuck and fixed on the front surface and the back surface of the absorption core body, the surface layer and the bottom membrane are respectively fixed on the front surface and the back surface of the absorption core body in a hot-pressing mode, the outline of the hot-pressing sealing trace of the absorption core body is rectangular, and the ventilation through holes are located in the outline of the hot-pressing sealing trace of the absorption core body.
2. The diaper core structure according to claim 1, wherein: the outer fringe of ventilative through-hole top and bottom is fixed with the arch respectively, the face course all opens with basement membrane one side that is close to the absorption core and is used for with protruding matched with blind groove.
3. The diaper core structure according to claim 2, wherein: the protrusions are of circular ring structures, the inner diameters of the protrusions are the same as those of the ventilation through holes, and the blind grooves are annular blind grooves matched with the protrusions.
4. The diaper core structure according to claim 3, wherein: the height of the protrusions is 0.2-1.0 mm.
5. The diaper core structure according to claim 2, wherein: the inner wall of the ventilation through hole is fixedly connected with a support sheet.
6. The diaper core structure according to claim 5, wherein: the head end and the tail end of the supporting sheet are sleeved with flexible sleeves.
7. The diaper core structure according to claim 2, wherein: the protrusions are of flexible sphere structures, the inner cavities of the blind grooves are spherical cavities matched with the protrusions, and the inner diameter of the openings of the blind grooves is smaller than the radius of the protrusions.
8. The diaper core structure according to claim 2, wherein: the protrusions comprise a plurality of outwardly convex cylinders surrounding a peripheral annular array of ventilation through holes.
9. The diaper core structure according to claim 8, wherein: the end of the cylinder far away from the absorption core body is of a pointed structure.
10. The diaper core structure according to claim 1, wherein: the cross section of each ventilation through hole is in a strip shape, and the adjacent ventilation through holes are mutually staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022048317.6U CN214129055U (en) | 2020-09-17 | 2020-09-17 | Core structure of paper diaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022048317.6U CN214129055U (en) | 2020-09-17 | 2020-09-17 | Core structure of paper diaper |
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| CN214129055U true CN214129055U (en) | 2021-09-07 |
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| CN202022048317.6U Active CN214129055U (en) | 2020-09-17 | 2020-09-17 | Core structure of paper diaper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113974979A (en) * | 2021-10-28 | 2022-01-28 | 佛山市中柔日用品有限公司 | Preparation method of instant-absorption sanitary towel with cut absorber grooves |
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2020
- 2020-09-17 CN CN202022048317.6U patent/CN214129055U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113974979A (en) * | 2021-10-28 | 2022-01-28 | 佛山市中柔日用品有限公司 | Preparation method of instant-absorption sanitary towel with cut absorber grooves |
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