Water absorption sheet for fresh keeping of fruits and vegetables

Abstract

The utility model relates to a water absorbing sheet for fruit and vegetable fresh-keeping, which comprises a first hydrophilic PP non-woven fabric layer, a second hydrophilic PP non-woven fabric layer, a water locking layer and a plurality of diversion fiber layers, the water locking layer and the plurality of diversion fiber layers are arranged between the first hydrophilic PP non-woven fabric layer and the second hydrophilic PP non-woven fabric layer, the plurality of diversion fiber layers are arranged below the water locking layer, and the plurality of diversion fiber layers are arranged below the first hydrophilic PP non-woven fabric layer and the second hydrophilic PP non-woven fabric layer. The flow guide fiber layers are provided with snakelike permeation grooves, and the snakelike permeation grooves of the adjacent flow guide fiber layers are distributed in a staggered mode. Under the combined action of the water locking layer and the multiple flow guide fiber layers, water is locked, water is slowly supplemented to fruits and vegetables, repeated utilization can be achieved, and cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fruit and vegetable fresh -keeping technical field, concretely relates to a fruit and vegetable fresh -keeping water absorption sheet. BACKGROUND

[0002] In order to prevent water loss, fruit and vegetable products (such as tomatoes, cucumbers, etc.) are usually covered with multiple layers of water absorption paper during transportation. The water absorption paper has poor water locking effect, and the absorbed water quickly penetrates, leading to water loss of fruit and vegetables during long-term transportation. Moreover, ordinary water absorption paper is prone to loose and breakage, and cannot be reused. SUMMARY

[0003] The utility model discloses fruit and vegetable fresh -keeping water absorption sheet, simple structure is provided, under the joint action of water locking layer and multilayer flow guide fiber layer, slow water replenishment to fruit and vegetable is locked, can be repeatedly used, and cost is reduced.

[0004] The utility model discloses fruit and vegetable fresh -keeping water absorption sheet, simple structure is provided, under the joint action of water locking layer and multilayer flow guide fiber layer, slow water replenishment to fruit and vegetable is locked, can be repeatedly used, and cost is reduced.

[0005] A fruit and vegetable fresh-keeping water absorption sheet, comprising a first hydrophilic PP non-woven fabric layer, a second hydrophilic PP non-woven fabric layer, a water locking layer, and a flow guide fiber layer, wherein the first hydrophilic PP non-woven fabric layer and the second PP non-woven fabric layer are provided with the water locking layer and the multilayer flow guide fiber layer, the water locking layer is provided below the multilayer flow guide fiber layer, the flow guide fiber layer is provided with a serpentine permeation groove, and the serpentine permeation grooves of adjacent flow guide fiber layers are distributed in a staggered manner.

[0006] Preferably, the flow guide fiber layer is provided with at least 3 layers, and the cross section of the serpentine permeation groove is V-shaped or Y-shaped.

[0007] Preferably, the second hydrophilic PP non-woven fabric layer is provided with an extension section outward around the periphery, the upper surface of the extension section is provided with a release paper layer, and the extension section is edge-bonded to each side edge upward.

[0008] Preferably, the edge-bonded extension section is attached to the upper surface of the first hydrophilic PP non-woven fabric layer.

[0009] Preferably, the water locking layer is made of dust-free paper.

[0010] Preferably, a layer of hydrophilic fiber mesh is further clamped in the water locking layer.

[0011] Preferably, hydrophilic fiber meshes are respectively arranged on the upper and lower sides of the water locking layer.

[0012] Preferably, the surface of the first hydrophilic PP non-woven fabric layer is embossed.

[0013] The utility model discloses fruit and vegetable fresh -keeping water absorption sheet, simple structure is provided, under the joint action of water locking layer and multilayer flow guide fiber layer, slow water replenishment to fruit and vegetable is locked, can be repeatedly used, and cost is reduced.

[0014] Simple structure, under the joint action of water-locking layer and multi-layer flow guide fiber layer, water-locking and slowly rehydrating fruits and vegetables;

[0015] The hydrophilic PP non-woven fabric layer at the bottom protects the side edges by setting the extending section to wrap the side edges upward, preventing water loss from the periphery after the side edges are damaged.

[0016] The water-locking layer is provided with a hydrophilic fiber net, improving the structural strength and toughness of the water-locking layer, so that the water-locking layer is not easily damaged, and the water-absorbing sheet can be reused. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a cross-sectional schematic view of the water-absorbing sheet for preserving fruits and vegetables of the utility model embodiment 1 (unwrapped state).

[0018] Figure 2 It is a cross-sectional schematic view of the water-absorbing sheet for preserving fruits and vegetables of the utility model embodiment 1 (wrapped state).

[0019] Figure 3 It is a schematic view of the serpentine permeation groove distribution structure of adjacent flow guide fiber layers.

[0020] Figure 4 It is a cross-sectional schematic view of the water-absorbing sheet for preserving fruits and vegetables of the utility model embodiment 2 (unwrapped state).

[0021] Wherein: the first hydrophilic PP non-woven fabric layer 1; the second hydrophilic PP non-woven fabric layer 2; the water-locking layer 3; the flow guide fiber layer 4; the release paper layer 5; the serpentine permeation groove 4.1; the hydrophilic fiber net 6; DETAILED DESCRIPTION Embodiment 1

[0022] Referring to Figures 1-3 The utility model relates to a kind of water-absorbing sheets for preserving fruits and vegetables, including first hydrophilic PP non-woven fabric layer 1, second hydrophilic PP non-woven fabric layer 2, water-locking layer 3 and flow guide fiber layer 4, and the first hydrophilic PP non-woven fabric layer 1 and second PP non-woven fabric layer 2 between being equipped with water-locking layer 3 and multiple flow guide fiber layers 4, the water-locking layer 3 below is equipped with multiple flow guide fiber layers 4, the water-locking layer 3 uses dustless paper, the first hydrophilic PP non-woven fabric layer 1 surface embossing, it is convenient to quickly absorb water, simultaneously for distinguishing the front and back of water-absorbing sheet, the second hydrophilic PP non-woven fabric layer 2 periphery is equipped with extending section outward, the extending section upper surface is equipped with release paper layer 5, tear release paper layer 5 when using, extending section is wrapped to each side edge upward, extending section outer end portion is attached to the first hydrophilic PP non-woven fabric layer 1 upper surface, and each side edge is protected, prevent water loss from the periphery after side edge is damaged.

[0023] The first hydrophilic PP non-woven fabric layer 1, the second hydrophilic PP non-woven fabric layer 2, the water-locking layer 3 and the water-guiding fiber layer 4 are integrally compounded.

[0024] The water-guiding fiber layer 4 is provided with at least three layers, and the water-guiding fiber layer 4 is provided with a serpentine permeation groove 4.1, which facilitates downward flow of water, and the cross section of the serpentine permeation groove 4.1 is V-shaped or Y-shaped.

[0025] The serpentine permeation grooves 4.1 of adjacent water-guiding fiber layers 4 are distributed in a staggered manner, which prolongs the speed of downward flow of water and effectively locks water under the premise of water guiding.

[0026] In use, the release paper layer 5 is torn to edge the water-absorbing sheet, the edged water-absorbing sheet is arranged at the uppermost position of fruits and vegetables in a fruit and vegetable box, the first hydrophilic PP non-woven fabric layer 1 is upward, moisturizing water is sprayed, water quickly enters the water-locking layer from the first hydrophilic PP non-woven fabric layer, and reaches the second hydrophilic PP non-woven fabric layer at the bottom of the water-absorbing sheet through the multiple water-guiding and limiting layers, so that the function of slow penetration and moisturizing is realized. Embodiment 2

[0027] As Figure 4 , a layer of hydrophilic fiber net 6 is further arranged in the water-locking layer 3, so as to improve the strength of the water-locking layer.

[0028] The hydrophilic fiber net 6 can also be arranged on the upper and lower sides of the water-locking layer 3, so as to improve the structural strength and toughness of the water-locking layer 3, and the remaining structure is the same as that of the embodiment 1.

[0029] In addition to the above embodiments, the utility model also includes other implementation manners, and technical solutions formed by using equivalent transformation or equivalent replacement manners should fall within the protection scope of the utility model claim.

Claims

1. A water-absorbing sheet for preserving fruits and vegetables, characterized by comprising: The first hydrophilic PP non-woven fabric layer, the second hydrophilic PP non-woven fabric layer, the water-locking layer and the flow-directing fiber layer are provided, the water-locking layer and the multilayer flow-directing fiber layer are arranged between the first hydrophilic PP non-woven fabric layer and the second PP non-woven fabric layer, the multilayer flow-directing fiber layer is arranged below the water-locking layer, the flow-directing fiber layer is provided with the serpentine permeation groove, and the serpentine permeation grooves of adjacent flow-directing fiber layers are distributed in a staggered manner. ​ 2. The water-absorbing sheet for preserving fruits and vegetables according to claim 1, characterized by: The flow-directing fiber layer is provided with at least three layers, and the cross section of the serpentine permeation groove is V-shaped or Y-shaped.

3. The water-absorbing sheet for preserving fruits and vegetables according to claim 1, characterized by: The second hydrophilic PP non-woven fabric layer is provided with an extension section outwardly around the periphery, the upper surface of the extension section is provided with a release paper layer, and the extension section is edge-bonded to each side edge upwardly.

4. The water-absorbing sheet for preserving fruits and vegetables according to claim 3, characterized by: The outer end of the edge-bonded extension section is attached to the upper surface of the first hydrophilic PP non-woven fabric layer.

5. The water-absorbing sheet for preserving fruits and vegetables according to claim 1, characterized by: The water-locking layer adopts dust-free paper.

6. The water-absorbing sheet for preserving fruits and vegetables according to claim 1 or 5, characterized by: A layer of hydrophilic fiber net is further arranged in the water-locking layer.

7. The water-absorbing sheet for preserving fruits and vegetables according to claim 1 or 5, characterized by: Hydrophilic fiber nets are arranged on the upper and lower sides of the water-locking layer.

8. The water-absorbing sheet for preserving fruits and vegetables according to claim 1, characterized by: The surface of the first hydrophilic PP non-woven fabric layer is embossed.

Images