Leakage-proof absorption core

By designing a cavity structure formed by the folding of the covering layer in the absorbent core and absorbent strips of different materials, and utilizing the diversion properties of the covering layer, the problem of low local consumption of the absorbent core is solved, and the liquid absorption rate and efficiency are improved.

CN223453419UActive Publication Date: 2025-10-21QUANZHOU JIAHUA SANITARY PROD
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Patent Information

Application Number
CN202422610019.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-10-21
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The existing absorbent core has a low proportion of liquid consumption in local areas, resulting in uneven absorption efficiency.

Method used

The structural design adopts a folded covering layer to form a central cavity and side cavities, combined with absorption strips of different materials, and utilizing the diversion characteristics of the covering layer to guide the liquid to the top and sides of the absorption strip through the pressed grooves, thereby increasing the consumption ratio of the absorption body.

Benefits of technology

It improves the liquid absorption rate and absorption efficiency, balances the liquid consumption of the absorption core, and increases the overall consumption ratio of the absorption body.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of absorption core bodies, and provides a leakage-proof absorption core body which solves the problem that an existing absorption core is low in consumption ratio, the leakage-proof absorption core body comprises an absorption main body, the absorption main body comprises a wrapping layer, a first absorption strip, a second absorption strip and a third absorption strip, the two side ends of the wrapping layer are folded upwards and inwards to form a cavity, and the first absorption strip and the second absorption strip are arranged in the cavity. Two pressing grooves are formed in the coating layer, each pressing groove divides the cavity into a middle cavity and side edge cavities, the side edge cavities are formed in the two sides of the middle cavity, the first absorption strips are arranged in the middle cavity, the second absorption strips are arranged in the side edge cavities, the first side end of the coating layer is arranged above the second side end, and the second side end of the coating layer is arranged above the second side end of the coating layer. The third absorption strip is arranged between the two side ends of the coating layer, and the height of the two sides of the absorption body is larger than that of the middle of the absorption body; through the structural design formed by folding the wrapping layer, the first absorption strip, the second absorption strip and the third absorption strip are filled, the liquid absorption rate can be increased, and the consumption ratio of the absorption body can also be increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to absorbent core technology field, concretely relates to a leakproof absorbent core. BACKGROUND

[0002] Chinese patent publication number CN179000898U discloses an absorbent core for sanitary napkin, including leakproof layer, the absorbent layer set up on leakproof layer and the cotton cloth layer set up on the absorbent layer, leakproof layer, absorbent layer and cotton cloth layer whole form absorbent core, the cotton cloth layer is equipped with multiple groups of cavities, the cavity is equipped with adsorption layer, the absorbent core is equipped with bacteriostatic layer.

[0003] The utility model absorbent core is formed by leakproof layer, absorbent layer and cotton cloth layer whole, and sets up skin-friendly layer on cotton cloth layer, sets up flow guide groove on skin-friendly layer, and because flow guide groove is set on skin-friendly layer, the liquid that is infiltrated in local area on skin-friendly layer and is absorbed by absorbent layer is relatively concentrated, makes the consumption of absorbent layer mainly concentrate in the middle, and the consumption of absorbent layer is less on both sides, and the consumption ratio of absorbent layer is low. SUMMARY

[0004] Therefore, in view of the above problems, the utility model provides a leakproof absorbent core, which solves the problem of low consumption ratio of the existing absorbent core.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0006] A leakproof absorbent core, comprising an absorbent body, the absorbent body comprising a cladding layer, a first absorbent strip, a second absorbent strip and a third absorbent strip, the cladding layer is folded upwards and inwards at both ends to form a cavity, two pressure grooves are provided on the cladding layer, each pressure groove divides the cavity into a middle cavity and a side cavity, the side cavities are located on both sides of the middle cavity, the first absorbent strip is arranged in the middle cavity, the second absorbent strip is arranged in the side cavities, the first side end of the cladding layer is arranged above the second side end, the third absorbent strip is arranged between the two side ends of the cladding layer, and the height of the absorbent body on both sides is greater than the height in the middle.

[0007] Further, the third absorbent strip is dust-free paper.

[0008] Further, the first absorbent strip and the second absorbent strip are made of fluff pulp material.

[0009] Further, the height of the outer side of the second absorbent strip is greater than the height of the inner side.

[0010] Further, the cladding layer is provided with an adhesive piece at the bottom of each side cavity.

[0011] Further, the cladding layer is made of non-woven fabric material.

[0012] Further, the cladding layer forms the middle cavity and the side cavity through a forming cage head, the forming cage head comprises a folding frame and a material guide plate, the material guide plate is arranged on the front side of the folding frame, the folding frame is folded upward and inward at both side ends to form a folding cavity, one side end of the folding frame is arranged above the other side end, the folding frame is bent inward at the lower side end to form a support table, and the folding frame is provided with a groove corresponding to each pressure groove.

[0013] Further, each groove is provided with a pressure roller, and one end of each pressure roller protrudes from the front side of the folding frame.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The structure design formed by folding the cladding layer fills the first absorption strip, the second absorption strip and the third absorption strip, ensures the absorption amount of the middle region of the absorption body, guides the liquid discharged from the local region through the pressure groove, simultaneously absorbs the liquid at the top and the side of the absorption strip, increases the liquid absorption rate, and increases the consumption proportion of the absorption body.

[0016] 2. The cladding layer with a single-layer structure forms the middle cavity and the side cavity, is used for wrapping the first absorption strip and the second absorption strip, has few forming steps, shortens the assembly line, and the first side end of the cladding layer is arranged above the second side end to arrange the third absorption strip, so that the consumption proportion of the third absorption strip is improved by using the flow guiding characteristic of the cladding layer. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a cross-sectional structure schematic view of the absorption body in the embodiment of the utility model;

[0018] Fig. 2 It is a top view structure schematic view of the forming cage head in the embodiment of the utility model;

[0019] Fig. 3 It is a front side structure schematic view of the forming cage head in the embodiment of the utility model.

[0020] REFERENCE SIGNS

[0021] Absorption body 1; cladding layer 2; first absorption strip 3; second absorption strip 4; third absorption strip 5; pressure groove 6; middle cavity 7; side cavity 8; adhesive sheet 9; forming cage head 10; folding frame 11; material guide plate 12; folding cavity 13; support table 14; groove 15; pressure roller 16; first side end 17; second side end 18. DETAILED DESCRIPTION

[0022] The implementation mode of the utility model will be explained in detail in combination with specific embodiments, by which the realization process of how to apply technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0023] Embodiment

[0024] As Figs. 1 to 3 shown, a leakage-proof absorbing core body, comprising an absorbing body 1, the absorbing body comprising a cladding layer 2, a first absorbing strip 3, a second absorbing strip 4 and a third absorbing strip 5, the first absorbing strip 3 and the second absorbing strip 4 are of fluff pulp material, the third absorbing strip 5 is of dust-free paper, the cladding layer 2 is of non-woven fabric material, the cladding layer 2 is folded upwards and inwards at both sides to form a cavity, two pressing grooves 6 are arranged on the cladding layer 2, each pressing groove 6 divides the cavity into a middle cavity 7 and a side cavity 8, the side cavity 8 is arranged at both sides of the middle cavity 7, the first absorbing strip 3 is arranged in the middle cavity 7, the second absorbing strip 4 is arranged in the side cavity 8, the first side end 17 of the cladding layer 2 is arranged above the second side end 18, the third absorbing strip 5 is arranged between both ends of the cladding layer 2, and the height of both sides of the absorbing body 1 is greater than the middle height.

[0025] Through the structural design of the folded cladding layer 2, the first absorbing strip 3, the second absorbing strip 4 and the third absorbing strip 5 are filled, the liquid discharged from the local area is guided through the pressing grooves 6 while the absorption amount in the middle area of the absorbing body 1 is ensured, the top and side of the absorbing strip can absorb liquid at the same time, which can not only increase the liquid absorption rate, but also increase the consumption proportion of the absorbing body 1; the middle cavity 7 and the side cavity 8 are formed by the single-layer cladding layer 2, which is used for wrapping the first absorbing strip 3 and the second absorbing strip 4, the forming step is less and the assembly line is short, and the first side end 17 of the cladding layer 2 is arranged above the second side end 18, which is used for arranging the third absorbing strip 5, and the consumption proportion of the third absorbing strip 5 is improved by using the flow guiding characteristics of the cladding layer 2.

[0026] In other preferred embodiments, the fluff pulp adopted by the first absorbing strip 3 and the second absorbing strip 4 has sap particles infiltrated therein.

[0027] In the embodiment, the height of both sides of the absorbing body 1 is greater than the middle height, the upward bending of both sides of the absorbing body 1 is realized by hot pressing at the pressing grooves 6; in other preferred embodiments, the height of the outer side of the second absorbing strip 4 can also be adjusted to be greater than the height of the inner side.

[0028] The cladding layer 2 is provided with an adhesive piece 9 at the bottom of each side cavity 8, which is used to avoid the deviation of the absorbing core body when it is used to prepare an absorbing product.

[0029] The cover layer 2 forms the middle cavity 7 and the side cavity 8 through the forming cage head 10, the forming cage head 10 comprises a folding frame 11 and a material guide plate 12, the material guide plate 12 is arranged on the front side of the folding frame 11, the two side ends of the folding frame 11 are folded upwards and inwards to form a folding cavity 13, one side end of the folding frame 11 is arranged above the other side end, the lower side end of the folding frame 11 is bent inwards to form a support 14, and the top of the folding frame 11 is provided with a groove 15 corresponding to each pressing groove 6.

[0030] The material guide plate 12 is used for lifting the two sides of the sheet-shaped cover layer 2 upwards, so that the cover layer 2 is folded by the forming cage head 10, and the support 14 is used for penetrating the second side end 18 of the cover layer 2; each groove 15 is provided with a pressing roller 16, one end of each pressing roller 16 protrudes from the front side of the folding frame 11, and the pressing roller 16 is arranged to press the cover layer 2 at the pressing groove 6, so as to facilitate subsequent pressing.

[0031] Although the utility model is specifically shown and introduced in combination with the preferred embodiments, it should be understood by those skilled in the art that various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined in the appended claims, and all the changes are within the protection scope of the utility model.

Claims

1. A leakage-proof absorbent core comprising an absorbent body, characterized by: The absorption body comprises a cladding layer, a first absorption strip, a second absorption strip and a third absorption strip, both ends of the cladding layer are folded upward and inward to form a cavity, two pressing grooves are arranged on the cladding layer, each pressing groove divides the cavity into a middle cavity and side cavities, the side cavities are arranged on both sides of the middle cavity, the first absorption strip is arranged in the middle cavity, the second absorption strip is arranged in the side cavities, the first side end of the cladding layer is arranged above the second side end, the third absorption strip is arranged between both side ends of the cladding layer, and the height of both sides of the absorption body is greater than the middle height.

2. A leakproof absorbent core according to claim 1, characterized in that: The third absorption strip is dust-free paper.

3. A leakproof absorbent core according to claim 1, characterized in that: The first absorption strip and the second absorption strip are fluff pulp materials.

4. A leakproof absorbent core according to claim 1, characterized in that: The height of the outer side of the second absorption strip is greater than the height of the inner side.

5. A leakproof absorbent core according to claim 1, characterized in that: The cladding layer is provided with an adhesive piece at the bottom of each side cavity.

6. A leakproof absorbent core according to claim 1, characterized in that: The cladding layer is a non-woven fabric material.