High-temperature-resistant liquid food packaging bag
By introducing a sealing cap and a one-way flap mechanism into the liquid food packaging bag, combined with high-temperature resistant materials and a filter screen, the problem of short shelf life after opening is solved, achieving the effects of extending shelf life and preventing scalding.
Patent Information
- Application Number
- CN202520883554.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-05-07
AI Technical Summary
Existing liquid food packaging bags have a short shelf life after opening and are prone to introducing bacteria and microorganisms, which shortens the shelf life of beverages.
A high-temperature resistant liquid food packaging bag was designed, which uses a sealing cap and a one-way membrane flap mechanism, combined with high-temperature resistant materials and a filter screen, to ensure a good sealing effect when pouring liquid, reduce the entry of bacteria, and prevent direct hand contact with high temperature through the isolation strip.
It extends the shelf life of the liquid inside the packaging bag after opening, prevents bacteria and microorganisms from entering, avoids hand burns, and improves the high temperature resistance and pressure resistance of the packaging bag.
Smart Images

Figure CN223891528U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to food packaging technical field, concretely is a high temperature resistant liquid food packaging bag. BACKGROUND
[0002] The packaging bag is a very common product in life, is used for packing articles, and can protect liquid (such as beverage, dairy product etc.) in the field of liquid food, to achieve the purpose of fresh-keeping and preservative.
[0003] In the prior art, the Chinese patent with the application number CN200520082167.3 discloses a novel liquid food packaging bag, especially a packaging bag for milk soft bag, which is composed of a packaging soft bag and a zip-top cover, wherein the zip-top cover is arranged on the outer wall of one corner of the packaging soft bag, and the zip-top cover is connected with the two outer walls of the corner end of the packaging soft bag. The packaging soft bag and the zip-top cover are made of plastic, and by closing the corner end of the packaging soft bag in the zip-top cover, the pollution of bacteria is effectively prevented. When used, the zip-top cover is pulled open, and the corner end of the soft bag is bitten to drink the liquid in the packaging soft bag.
[0004] According to the above-mentioned material, it can be known that the soft liquid packaging bag in the prior art generally uses a breakable opening or a sealed cover opening, but in the actual use process, the packaging bag may not be drunk once after being opened. At this time, due to the poor sealing effect of the packaging bag when used, bacteria and microorganisms are introduced, causing the problem of short shelf life after the beverage is opened. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a high temperature resistant liquid food packaging bag to solve the problem of short shelf life after being opened in the above background technology.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high temperature resistant liquid food packaging bag, which comprises a soft packaging bag body, a pressing mounting seat is fixedly pasted on the middle of the upper surface of the packaging bag body, a guide pipe is fixedly penetrated and mounted in the mounting seat, the lower end of the guide pipe extends to the inside of the packaging bag body, a sealing cover is arranged on the upper end of the guide pipe, and the sealing cover is threadedly connected with the upper end of the guide pipe; an installation frame is fixedly installed in the guide pipe, and a one-way membrane flap mechanism for reducing the entry of bacteria is arranged in the installation frame; friction strips are fixedly installed on the outer surfaces of the front and rear sides of the mounting seat, and the friction strips are made of rubber material with rough surface.
[0007] Preferably, the installation frame is provided with an upper frame body and a lower frame body, and a sealing membrane flap is fixedly installed in the upper frame body, so as to achieve the purpose of automatic sealing when stopping pouring beverage, reduce the entry of bacteria and microorganisms, and prolong the shelf life.
[0008] Preferably, the lower frame body is internally fixedly provided with a filter screen, and the circular array of sealing membrane petals is provided with 12 sealing membrane petals, and the sealing membrane petals are made of high-temperature-resistant silica gel.
[0009] Preferably, the packaging bag body comprises a printing layer, a pressure-resistant layer and a contact layer, and the contact layer is made of aluminum foil to improve the high-temperature resistance of the packaging bag body.
[0010] Preferably, the pressure-resistant layer is made of a nylon fiber woven structure, and the contact layer is made of opaque and high-temperature-resistant aluminum foil.
[0011] Preferably, the outer surface of the packaging bag body is provided with equidistantly arranged isolation strips, and the isolation strips are made of foam material, so as to avoid direct contact of hands with the surface of the packaging bag body and achieve the purpose of anti-scalding.
[0012] Preferably, the upper surface of the packaging bag body is fixedly provided with a carrying strap, and the carrying strap is internally provided with a suspension groove in a strip structure.
[0013] Compared with the prior art, the packaging bag for high-temperature-resistant liquid food has the advantages that:
[0014] 1. When the liquid food (i.e. beverage) in the packaging bag body is poured out, the sealing membrane petals are pressed under the action of liquid pressure, so that the sealing membrane petals are opened, and the beverage is smoothly discharged. When the pouring is stopped, the sealing membrane petals are reset to seal the guide pipe, so as to reduce the entry of bacteria and microorganisms and prolong the shelf life of the beverage in the packaging bag body after opening.
[0015] Further, the mounting frame is divided into an upper frame body and a lower frame body, the upper frame body is used for mounting the sealing membrane petals, and the lower frame body is internally fixedly provided with a filter screen, which is used for filtering the possible sediment in the beverage in the packaging bag body.
[0016] 2. The packaging bag body is divided into a printing layer, a pressure-resistant layer and a contact layer, the printing layer is externally used for printing food information, the woven structure of the pressure-resistant layer can improve the overall pressure resistance and avoid the situation of bag expansion, and the aluminum foil material of the contact layer has good high-temperature resistance.
[0017] Further, equidistant isolation strips are fixedly arranged on the outer surface of the packaging bag body. When the packaging bag body contains high-temperature beverage, the hands contact the isolation strips when holding the packaging bag body, so as to avoid direct contact of the hands with the surface of the packaging bag body and achieve the purpose of anti-scalding. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 It is a schematic diagram of the whole structure of the utility model;
[0019] Fig. 2 It is the inside structure schematic view of the packaging bag body of the utility model;
[0020] Fig. 3 It is the local partial structure schematic view of the packaging bag body of the utility model;
[0021] Fig. 4 It is the inside structure schematic view of the guide pipe of the utility model;
[0022] Fig. 5 It is the upper surface structure schematic view of the mounting frame of the utility model;
[0023] Fig. 6 It is the lower surface structure schematic view of the mounting frame of the utility model.
[0024] In the drawing: 1, packaging bag body; 101, printing layer; 102, compression-resistant layer; 103, contact layer; 2, mounting seat; 3, guide pipe; 4, sealing cover; 5, isolation strip; 6, carrying strap; 7, hanging groove; 8, friction strip; 9, mounting frame; 901, upper frame body; 902, lower frame body; 10, sealing membrane flap; 11, filter screen. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] Embodiment one: please refer to Figs. 1-3 In order to achieve the purpose of high temperature resistance, the following technical solutions are provided in the embodiment, specifically disclosed: the soft packaging bag body 1, the upper surface of the packaging bag body 1 is fixedly pasted and pressed to install the mounting seat 2, the mounting seat 2 is fixedly penetrated to install the guide pipe 3, and the lower end of the guide pipe 3 extends to the inside of the packaging bag body 1, and the upper end of the guide pipe 3 is provided with a sealing cover 4, and the sealing cover 4 is threadedly connected with the upper end of the guide pipe 3; the packaging bag body 1 comprises a printing layer 101, a compression-resistant layer 102 and a contact layer 103, the compression-resistant layer 102 is provided as a nylon fiber woven structure, the contact layer 103 is provided as an aluminum foil material which is opaque and high-temperature resistant, the outer surface of the packaging bag body 1 is provided with equidistantly arranged isolation strips 5, and the isolation strips 5 are provided as foam material, the upper surface of the packaging bag body 1 is fixedly provided with a carrying strap 6, the inside of the carrying strap 6 is provided with a hanging groove 7 in a strip structure, the outer surfaces of the front and rear sides of the mounting seat 2 are fixedly installed with friction strips 8, and the friction strips 8 are provided as rubber material with rough surface.
[0027] The liquid food (i.e. beverage, etc.) is filled into the inside of the packaging bag body 1 from the guide pipe 3, if it is a high-temperature liquid, the contact layer 103 of the aluminum foil material at the innermost side of the packaging bag body 1 can achieve the purpose of high-temperature resistance, thereby avoiding damage to the packaging bag body 1 caused by high temperature, when carrying the packaging bag body 1, the hand contacts the isolation strip 5, thereby avoiding direct contact of the hand with the outer surface of the packaging bag body 1, so as to achieve the purpose of anti-scalding, and the compression-resistant layer 102 of the woven structure can improve the anti-pulling ability, thereby avoiding the packaging bag body 1 from being squeezed and broken during transportation, when the beverage in the inside of the packaging bag body 1 needs to be poured out, first, the sealing cover 4 is opened (when opening, always pinch the mounting seat 2 with one hand, and use the friction strip 8 on the outer surface of the mounting seat 2 to improve the friction, and the other hand rotates the sealing cover 4), then the beverage in the inside of the packaging bag body 1 is poured out through the guide pipe 3.
[0028] Embodiment two: please refer to Figs. 4-6 , in order to achieve the purpose of prolonging the shelf life of the beverage after opening, the following technical solutions are provided, specifically disclosed: the guide pipe 3 is fixedly provided with a mounting frame 9, and the mounting frame 9 is provided with a one-way membrane flap mechanism for reducing the entry of bacteria, the mounting frame 9 is provided with an upper frame body 901 and a lower frame body 902, the sealing membrane flap 10 is fixedly installed in the upper frame body 901, and the filter screen 11 is fixedly installed in the lower frame body 902, and the sealing membrane flap 10 is provided in a circular array and has 12 sealing membrane flaps.
[0029] The mounting frame 9 is fixedly arranged in the guide pipe 3, and the mounting frame 9 is divided into an upper frame body 901 and a lower frame body 902, the sealing membrane flap 10 is arranged in the upper frame body 901, and the filter screen 11 is arranged in the lower frame body 902, when the beverage is poured out, the sealing membrane flap 10 is opened under the action of liquid pressure, so that the beverage is smoothly poured out, when the pouring of the beverage is stopped, the sealing membrane flap 10 is reset under the action of its own elasticity, so as to achieve the purpose of sealing, reduce the entry of bacteria and microorganisms, and prolong the shelf life, and the filter screen 11 is used to filter the possible precipitate in the beverage during the pouring of the beverage.
[0030] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A high-temperature resistant liquid food packaging bag, comprising a flexible packaging bag body (1), wherein a pressing mounting base (2) is fixedly adhered to the middle of the upper surface of the packaging bag body (1), characterized in that, Also includes: The mounting base (2) has a fixed through-mounting guide tube (3) inside, and the lower end of the guide tube (3) extends into the body of the packaging bag (1). The upper end of the guide tube (3) is provided with a sealing cap (4), and the sealing cap (4) is threadedly connected to the upper end of the guide tube (3). The guide tube (3) is fixedly installed with a mounting bracket (9), and the mounting bracket (9) is provided with a one-way flap mechanism to reduce the entry of bacteria. Friction strips (8) are fixedly installed on the outer surfaces of the front and rear sides of the mounting base (2), and the friction strips (8) are made of rough rubber material.
2. The high-temperature resistant liquid food packaging bag according to claim 1, characterized in that: The mounting bracket (9) consists of an upper frame (901) and a lower frame (902), and a sealing membrane flap (10) is fixedly installed inside the upper frame (901).
3. The high-temperature resistant liquid food packaging bag according to claim 2, characterized in that: The filter screen (11) is fixedly installed inside the lower frame (902), and a total of 12 circular arrays of sealing membrane flaps (10) are provided, and the sealing membrane flaps (10) are made of high temperature resistant silicone material.
4. The high-temperature resistant liquid food packaging bag according to claim 1, characterized in that: The main body (1) of the packaging bag includes three parts: a printing layer (101), a pressure-resistant layer (102), and a contact layer (103).
5. A high-temperature resistant liquid food packaging bag according to claim 4, characterized in that: The pressure-resistant layer (102) is configured with a nylon fiber woven structure, and the contact layer (103) is configured with an opaque and high-temperature resistant aluminum foil material.
6. A high-temperature resistant liquid food packaging bag according to claim 5, characterized in that: The outer surface of the main body (1) of the packaging bag is provided with equally spaced isolation strips (5), and the isolation strips (5) are made of foam material.
7. The high-temperature resistant liquid food packaging bag according to claim 1, characterized in that: The upper surface of the main body (1) of the packaging bag is fixedly provided with a carrying strap (6), and the inside of the carrying strap (6) is provided with a hanging groove (7) in the shape of a strip.
Citation Information
Patent Citations
Novel liquid foods package bag
CN2830317Y