CN210853640U

CN210853640U - Drinking water packaging film

Info

Publication number: CN210853640U
Application number: CN201920770904.0U
Authority: CN
Inventors: 黄山福
Original assignee: Xuzhou Zhangchang Rice Industry Co ltd
Current assignee: Xuzhou Zhangchang Rice Industry Co ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-06-26
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses a drinking water packaging film, including packaging film adventitia and packaging film intima, the inside grafting of packaging film adventitia has the packaging film intima, be formed with the vacuum cavity between packaging film adventitia and the packaging film intima, packaging film adventitia and packaging film intima include barrier layer, nylon layer, resin adhesive layer, first polyethylene layer and second polyethylene layer, the barrier layer outer wall evenly bonds has the nylon layer, the nylon layer outer wall evenly bonds has the resin adhesive layer, the resin adhesive layer outer wall evenly bonds has first polyethylene layer, and this drinking water packaging film can be isolated with the drinking water through increasing the vacuum cavity between packaging film adventitia and packaging film intima, prevents that the drinking water from rotting because of the temperature variation, has improved the storage cycle of drinking water, through adding the barrier layer in the intermediate level, can isolate the contact between water and outside air, and keeps the taste and the sanitation of the water.

Description

Drinking water packaging film

Technical Field

The utility model relates to a packaging film technical field specifically is a drinking water packaging film.

Background

The packaging film is mainly formed by the mixed extrusion of several kinds of different grades of polyethylene resin, has anti puncture, and super strength high performance twines the packing to the goods of stacking on the layer board, makes the packing material more firm clean and tidy, and superstrong waterproof effect is widely used, in foreign trade export, papermaking, five metals, plastics chemical industry, building materials, food and medicine trade.

1. When the existing drinking water packaging film is used, the packaging film does not have heat insulation performance, so that the temperature in the air can be transmitted to water through the packaging film, the water in the packaging film can change along with the change of the air temperature, and the deterioration speed of the drinking water is accelerated.

2. The existing drinking water packaging film has a simpler structure, and drinking water inside the packaging film can be contacted with outside air, so that organic matters in the air can react with mineral substances in the drinking water, and the taste of the drinking water can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drinking water packaging film to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drinking water packaging film, includes packaging film adventitia and packaging film intima, the inside grafting of packaging film adventitia has the packaging film intima, be formed with the vacuum cavity between packaging film adventitia and the packaging film intima, the top threaded connection of packaging film intima one side has the inlet tube that runs through the packaging film adventitia, the one end fixed mounting that the inlet tube is located the packaging film adventitia outside has the water intaking valve, the bottom threaded connection of packaging film intima one side has the outlet pipe that runs through the packaging film adventitia, the one end fixed mounting that the outlet pipe is located the packaging film adventitia outside has the outlet valve, including barrier layer, nylon layer, resin adhesive layer, first polyethylene layer and second polyethylene layer in packaging film adventitia and the packaging film, the even bonding of barrier layer outer wall has the nylon layer, the even bonding of nylon layer outer wall has the resin adhesive layer, the even bonding of resin adhesive layer outer, and a second polyethylene layer is uniformly bonded on the outer wall of the first polyethylene layer.

Preferably, the water inlet pipe and the water outlet pipe are elastic hoses.

Preferably, the barrier layer is a resin binder or an ethylene-vinyl alcohol copolymer.

Preferably, the thickness dimension of the barrier layer is the same as the thickness dimension of the nylon layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an increase the vacuum cavity between packaging film adventitia and packaging film intima, can be isolated with the external temperature of packaging film and drinking water, prevent that the drinking water is rotten because of temperature variation, improved the cycle of depositing of drinking water.

2. The utility model discloses an add nylon layer and barrier layer in the packaging film intermediate level, can completely cut off the contact of the inside drinking water of packaging film inner membrance and outside air, kept the taste and the health nature of water.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

fig. 2 is a schematic view of the sectional structure of the packaging film body of the present invention.

In the figure: 1-packaging film outer membrane; 2-packaging film inner membrane; 3-vacuum chamber; 4-water inlet pipe; 5-a water inlet valve; 6-water outlet pipe; 7-a water outlet valve; 8-a barrier layer; 9-a nylon layer; 10-a resin adhesive layer; 11-a first polyethylene layer; 12-a second polyethylene layer.

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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a drinking water packaging film, includes packaging film adventitia 1 and packaging film intima 2, the inside grafting of packaging film adventitia 1 has packaging film intima 2, be formed with vacuum cavity 3 between packaging film adventitia 1 and the packaging film intima 2, the top threaded connection of packaging film intima 2 one side has the inlet tube 4 that runs through packaging film adventitia 1, the one end fixed mounting that inlet tube 4 is located the packaging film adventitia 1 outside has a water intaking valve 5, the bottom threaded connection of packaging film intima 2 one side has outlet pipe 6 that runs through packaging film adventitia 1, the one end fixed mounting that outlet pipe 6 is located the packaging film adventitia 1 outside has outlet valve 7, packaging film adventitia 1 and packaging film intima 2 include barrier layer 8, nylon layer 9, resin adhesive layer 10, first polyethylene layer 11 and

second polyethylene layer

12, 8 outer walls of barrier layer evenly bond there is nylon layer 9, the nylon layer 9 outer wall evenly bonds and has resin adhesive layer 10, the resin adhesive layer 10 outer wall evenly bonds and has first polyethylene layer 11, the first polyethylene layer 11 outer wall evenly bonds and has second polyethylene layer 12.

The water inlet pipe 4 and the water outlet pipe 6 are elastic hoses, the water inlet pipe 4 and the water outlet pipe 6 are arranged into the elastic hoses, so that the water inlet pipe 4 and the water outlet pipe 6 are prevented from scratching an outer packaging film 1 and an inner packaging film 2, the service life of the packaging film is prolonged, the barrier layer 8 is a resin adhesive or an ethylene-vinyl alcohol copolymer, when the barrier layer 8 adopts the resin adhesive, the resin adhesive can directly adhere the nylon layer 9, the strength of the packaging film is increased, when the barrier layer 8 adopts the ethylene-vinyl alcohol copolymer, the elongation performance of the packaging film is improved due to the fact that the ethylene-vinyl alcohol copolymer has points such as elasticity and wear resistance, the abrasion of the packaging film is prevented, the service life of the packaging film is prolonged, the thickness dimension of the barrier layer 8 is the same as that of the nylon layer 9, and the direct adhesion of the barrier layer 8 is facilitated, first polyethylene layer 11 cooperatees with second polyethylene layer 12, uses through first polyethylene layer 11 and the cooperation of second polyethylene layer 12, has improved the water resistance of packaging film, prevents that the inside drinking water of packaging film from oozing.

The working principle is as follows: when the water-saving packaging film is used, the water inlet valve 5 is opened, the water outlet valve 7 is closed at the same time, then drinking water is injected into the packaging film inner film 2 through the water inlet pipe 4, after the drinking water in the packaging film inner film 2 is filled, the water inlet valve 5 is closed, when the drinking water in the packaging film inner film 2 needs to be taken out, the water outlet valve 7 is opened, the drinking water in the packaging film inner film 2 flows out through the water outlet pipe 6, so that the drinking water is taken out, the vacuum cavity 3 is additionally arranged between the packaging film outer film 1 and the packaging film inner film 2, the temperature outside the packaging film 1 can be isolated from the drinking water due to the heat insulation performance of the vacuum cavity 3, the drinking water is prevented from deteriorating due to temperature change, the storage period of the drinking water is prolonged, the first polyethylene layer 11 and the second polyethylene layer 12 are matched for use, the water resistance of the packaging film is improved, the drinking, can isolate the drinking water in the inner film 2 of the packaging film from the outside air, and keeps the taste and the sanitation of the water.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drinking water packaging film comprises a packaging film outer film (1) and a packaging film inner film (2), and is characterized in that: the packaging film outer membrane is characterized in that a packaging film inner membrane (2) is spliced inside the packaging film outer membrane (1), a vacuum cavity (3) is formed between the packaging film outer membrane (1) and the packaging film inner membrane (2), the top of one side of the packaging film inner membrane (2) is in threaded connection with a water inlet pipe (4) penetrating through the packaging film outer membrane (1), the water inlet pipe (4) is located at one end of the outer side of the packaging film outer membrane (1) and is fixedly provided with a water inlet valve (5), the bottom of one side of the packaging film inner membrane (2) is in threaded connection with a water outlet pipe (6) penetrating through the packaging film outer membrane (1), the water outlet pipe (6) is located at one end of the outer side of the packaging film outer membrane (1) and is fixedly provided with a water outlet valve (7), the packaging film outer membrane (1) and the packaging film inner membrane (2) comprise a barrier layer (8), the barrier layer (8) outer wall evenly bonds and has nylon layer (9), nylon layer (9) outer wall evenly bonds and has resin adhesive layer (10), resin adhesive layer (10) outer wall evenly bonds and has first polyethylene layer (11), first polyethylene layer (11) outer wall evenly bonds and has second polyethylene layer (12).

2. A drinking water packaging film according to claim 1, wherein: the water inlet pipe (4) and the water outlet pipe (6) are elastic hoses.

3. A drinking water packaging film according to claim 1, wherein: the barrier layer (8) is a resin adhesive or an ethylene-vinyl alcohol copolymer.

4. A drinking water packaging film according to claim 1, wherein: the thickness dimension of the barrier layer (8) is the same as that of the nylon layer (9).