CN214730991U - Water bag film - Google Patents

Abstract

The utility model discloses a water bag membrane, including the membrane body, the membrane body is the layer structure, the one end of membrane body is fixed with the encapsulation strip, it has the through-hole to open on the encapsulation strip, the through-hole internal fixation has the handle, the apopore has been seted up on the membrane body, the apopore internal fixation has the seat of puncturing, the membrane body includes the protective layer that outside-in set gradually, sun-proof layer, the waterproof layer, the foaming layer, the nylon layer, the polyethylene layer, the waterproof layer sets up with the unsmooth crisscross of bonding surface on foaming layer, the layer structure is fixed by the special glue bonding of food level, a plurality of heat insulating holes have been seted up in foaming layer and the nylon layer, the heat insulating hole runs through foaming layer and nylon layer, it has gas to fill in the heat insulating hole. The utility model provides a water bag membrane, the transport transportation after the filling of also being convenient for simultaneously is sealed in the filling of being convenient for, is difficult for tearing, and the toughness, crushing resistance and the prevention of seepage permeability of water bag membrane can effectively be improved to the membrane body of layer structure, prevents to pile up the transportation water bag and breaks the seepage, and fixed puncture seat tears the water bag when preventing to use the puncture water intaking and leads to the seepage.

Description

Water bag film

Technical Field

The utility model relates to the field of packaging technology, especially, relate to a water bag membrane.

Background

Bagged drinking water is an upgraded product of barreled drinking water. Different from the water discharge by the replacement of water with air and water in barreled water, the bagged drinking water discharges water by the atmospheric pressure; the bagged drinking water is sealed in the whole process and is not contacted with air all the time, so that secondary pollution is avoided, and the barreled water is fully-opened for drinking; therefore, compared with the barreled water, the bagged drinking water has the greatest advantage of fundamentally avoiding the secondary pollution of the drinking water. In addition, the bagged drinking water occupies small space before and after water filling, is flexible and convenient to store and transport, and has wider and wider application range.

However, the water bag film of the prior bagged drinking water is generally of a double-layer structure, has insufficient toughness, permeability resistance and pressure bearing capacity, is easy to crush and damage in the stacking and transportation process, and is easy to cause the drinking water to generate peculiar smell for storage because the water bag film is directly contacted with the drinking water; meanwhile, the water bag filled with water is difficult to carry, and a water needle required to be used punctures a water bag film to take water when the water bag is used, so that a puncture opening is easy to tear.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a water bag membrane to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a water bag film, which comprises a film body, wherein the film body is of a layer structure, one end of the film body is fixed with a packaging strip, the packaging strip is provided with a through hole, and a handle is fixed in the through hole;

the membrane body is provided with a water outlet hole, and a puncture seat is fixed in the water outlet hole.

Preferably, the film body comprises a protective layer, a sun-proof layer, a waterproof layer, a foaming layer, a nylon layer and a polyethylene layer which are sequentially bonded by glue from outside to inside;

the waterproof layer and the bonding surface of the foaming layer are arranged in a concave-convex staggered manner.

Preferably, a plurality of heat insulation holes are formed between the foaming layer and the nylon layer in a penetrating mode, and gas is filled in the heat insulation holes.

Preferably, the puncture seat comprises a seat body, a puncture hole is formed in the center of the seat body, and a sealing layer which is the same as the membrane body is fixed in the puncture hole; the outer edge of the seat body is circumferentially provided with a clamping groove, and the outer edge of the water outlet hole is fixedly connected with the inner wall of the clamping groove.

Preferably, the sunscreen layer is an aluminum plastic film.

Preferably, the waterproof layer is a water-absorbing film material.

Preferably, the foaming layer is polyurethane foaming plastic.

The utility model discloses a following technological effect: the utility model provides a water bag film, which is provided with a packaging strip and a handle, is convenient for filling, sealing and transportation after filling, and is not easy to tear; the film body with a multilayer structure can effectively improve the toughness, the pressure resistance and the permeability resistance of the water bag film and prevent the water bag from cracking and leaking in the stacking and transportation process; the fixed puncture seat is arranged to prevent the water bag from being torn to cause leakage when the puncture is used for taking water.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic view of the structure of the water bag film of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of the puncture seat of the present invention;

wherein, 1 is a membrane body; 2 is a packaging strip; 3 is a handle; 4 is a puncture seat; 11 is a protective layer; 12 is a sunscreen layer; 13 is a waterproof layer; 14 is a foaming layer; 15 is a nylon layer; 16 is a polyethylene layer; 17 is a heat insulation hole; 41 is a seat body; 42 is a puncture hole; and 43 is a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-3, the utility model provides a water bag film, which comprises a film body 1, wherein the film body 1 is in a layer structure, one end of the film body 1 is fixed with a packaging strip 2 for sealing and packaging after water injection, the packaging strip 2 is provided with a through hole, and a handle 3 is fixed in the through hole, so that the water bag after water injection and packaging can be conveniently carried and transported; the membrane body 1 is provided with a water outlet hole, and a puncture seat 4 is fixed in the water outlet hole.

According to a further optimized scheme, the membrane body 1 comprises a protective layer 11, a sun-proof layer 12, a waterproof layer 13, a foaming layer 14, a nylon layer 15 and a polyethylene layer 16 which are sequentially bonded by glue from outside to inside; the protective layer 11 is used for protecting the sunscreen layer 12, preventing the sunscreen layer 12 from being scratched and stained, and preventing printed marks on the surface of the sunscreen layer 12 from being blurred; the sun-proof layer 12 is an aluminum-plastic film and is used for isolating direct irradiation of sunlight ultraviolet rays to water in the water bag; the waterproof layer 13 is a water-absorbing film material, so that water on two sides of the water bag film is prevented from permeating and polluting water in the water bag film; the foaming layer 14 is made of polyurethane foam plastic, and the polyurethane foam plastic has excellent elasticity, flexibility, elongation and compressive strength, good heat insulation performance, high chemical stability, oil resistance, corrosion resistance, no toxicity and no harm, and can improve the toughness and the pressure resistance of the water bag film; the nylon layer 15 is made of nylon material, nylon is also called polyamide, and has the advantages of high strength and wear resistance, but the light resistance is poor, the strength is reduced due to direct irradiation of sunlight, but the sun-proof layer 12 can effectively isolate illumination, so that the defects of nylon can be avoided, the advantages are fully played, and the wear resistance and the strength of the water bag film are improved; the polyethylene layer 16 is made of polyethylene material, the polyethylene is nontoxic and odorless, has low water permeability, and is a high-quality material for the inner layer of the water bag film; the glue is food-grade special glue;

the bonding surfaces of the waterproof layer 13 and the foaming layer 14 are arranged in a concave-convex staggered manner, so that the contact area between the waterproof layer 13 and the foaming layer 14 is increased, and the effect of the foaming layer 14 is better exerted;

according to the further optimization scheme, a plurality of heat insulation holes 17 are formed between the foaming layer 14 and the nylon layer 15 in a penetrating mode, gas is filled in the heat insulation holes 17 and is carbon dioxide, the carbon dioxide is large in molecular weight, weak in heat convection and conduction and capable of reflecting heat radiation, good in heat insulation performance, non-toxic and harmless, and the heat insulation performance of the water bag film is improved.

According to a further optimized scheme, the puncture seat 4 comprises a seat body 41, a puncture hole 42 is formed in the center of the seat body 41, and a sealing layer which is the same as that of the membrane body 1 is fixed in the puncture hole 42; the outer edge of the seat body 41 is circumferentially provided with the clamping groove 43, the outer edge of the water outlet hole is fixedly connected with the inner wall of the clamping groove 43, when water is taken through puncture, the water taking needle is used for puncturing the puncture hole 42, and the phenomenon that the water taking needle tears the periphery of the puncture button to cause water leakage can be prevented.

The using method comprises the following steps: preparing materials required by a film body 1, then sequentially bonding a protective layer 11, a sun-proof layer 12, a waterproof layer 13, a foaming layer 14, a nylon layer 15 and a polyethylene layer 16 of the film body 1, filling carbon dioxide gas into a heat insulation hole 17 in the process to prepare a water bag film, then preparing the water bag film into a water bag shape according to requirements, reserving a packaging strip 2 at the top of the water bag, then installing a handle 3 on the packaging strip 2, forming a water outlet hole on the bag body of the water bag and installing a puncture seat 4, and then completing the preparation of the water bag; and (3) injecting drinking water into the water bag from the position of the packaging strip 2, and performing thermoplastic packaging at the same time to finish filling.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims (7)

1. A water bag film, comprising: the packaging film comprises a film body (1), wherein the film body (1) is of a layer structure, a packaging strip (2) is fixed at one end of the film body (1), a through hole is formed in the packaging strip (2), and a handle (3) is fixed in the through hole;

the membrane body (1) is provided with a water outlet hole, and a puncture seat (4) is fixed in the water outlet hole.

2. The water bag film according to claim 1, wherein: the membrane body (1) comprises a protective layer (11), a sun-proof layer (12), a waterproof layer (13), a foaming layer (14), a nylon layer (15) and a polyethylene layer (16) which are sequentially bonded by glue from outside to inside;

the waterproof layer (13) and the foaming layer (14) are arranged in a concave-convex staggered mode.

3. The water bag film according to claim 2, wherein: a plurality of heat insulation holes (17) are formed between the foaming layer (14) and the nylon layer (15) in a penetrating mode, and gas is filled in the heat insulation holes (17).

4. The water bag film according to claim 1, wherein: the puncture seat (4) comprises a seat body (41), a puncture hole (42) is formed in the center of the seat body (41), and a sealing layer which is the same as the membrane body (1) is fixed in the puncture hole (42); the outer edge of the seat body (41) is circumferentially provided with a clamping groove (43), and the outer edge of the water outlet hole is fixedly connected with the inner wall of the clamping groove (43).

5. The water bag film according to claim 2, wherein: the sun-proof layer (12) is an aluminum plastic film.

6. The water bag film according to claim 2, wherein: the waterproof layer (13) is made of water-absorbing film material.

7. The water bag film according to claim 2, wherein: the foaming layer (14) is made of polyurethane foaming plastic.

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