Milk packaging bag

Abstract

The utility model relates to the technical field of food packaging, in particular to a milk packaging bag. The milk packaging bag comprises a box body, a suction pipe assembly, a suction nozzle assembly and a seasoning concentrated solution injection device. The straw assembly comprises a straw and a straw packaging bag; the suction nozzle assembly comprises a suction nozzle and a suction nozzle sealing cover; the seasoning concentrated solution injection device comprises a liquid storage cavity, a liquid storage cavity sealing cover, a push rod with scales and a one-way valve. The push rod with the scales axially penetrates through the liquid storage cavity, and the seasoning concentrated solution in the liquid storage cavity is injected into the box body by pushing the push rod; the inner wall of the liquid storage cavity is coated with a food-grade hydrophobic coating and matched with the liquid storage cavity sealing cover through threads, and a one-way valve is arranged at the bottom of the liquid storage cavity. The seasoning concentrated liquid injection device is arranged on the packaging bag, so that instant, accurate and quantitative injection of concentrated seasoning liquid is realized, the problems that the seasoning liquid is easy to leak and the mixing proportion cannot be controlled when the seasoning liquid is added from the outside are solved, and meanwhile, the seasoning concentrated liquid injection device has high sealing performance and operation safety.

Description

TECHNICAL FIELD

[0001] The utility model relates to food packaging technical field, concretely relates to a milk packaging bag. BACKGROUND

[0002] With the development of society, milk becomes an essential nutrient in life, and as a carrier for carrying milk, milk packaging bags can make the storage, transportation and use of milk more convenient. The existing milk packaging bags on the market focus more on the structure of single-flavor milk packaging bags, such as the design of vertical liquid suction nozzle bags, double-layer structure packaging bags and heatable packaging bags; the exploration of packaging bags for multiple flavors divides the milk packaging bag into two different chambers, and the separate or compressed partition strip allows the milk in the two chambers to be mixed for drinking.

[0003] Chinese utility model patent CN215286352U (publication date: December 24, 2021) discloses a milk packaging bag, which improves the protection of the milk bag and the safety of the milk during storage and transportation by designing the bag body as a double-layer structure, the inner layer as a hard paper bag with a hard bag bottom at the bottom, and the outer layer as a protective bag.

[0004] Chinese utility model patent CN218807659U (publication date: April 7, 2023) discloses a multi-flavor milk packaging bag, which separates the milk packaging bag by using a partition strip to divide it into two chambers that can store different beverages, allowing separate drinking or pressing the partition strip to mix the two beverages for drinking, increasing the flavor of the milk and making the packaging bag foldable and easy to carry.

[0005] However, the existing technology does not provide an internal precise and quantitative flavoring concentrate injection device, and users need to carry flavoring agents from the outside if they want to flavor the milk, such as adding concentrated coffee liquid or syrup, which can easily cause spilling or squeezing during operation, and the amount of addition cannot be accurately controlled; the existing split-chamber packaging only supports pre-mixed beverages and cannot adjust the mixing ratio in real time according to demand. UTILITY MODEL CONTENT

[0006] In order to overcome the problems in the prior art, the utility model application provides a milk packaging bag, which realizes the real-time quantitative injection of flavoring concentrate by setting a flavoring concentrate injection device. The flavoring concentrate injection device injects the flavoring concentrate in the liquid storage cavity into the box body by pushing the scale-marked push rod, and the liquid storage cavity and the liquid storage cavity sealing cover are threadedly connected to ensure the sealing while accurately controlling the injection amount according to the scale, solving the problem of dynamic adjustment of the mixing ratio in traditional packaging. The specific technical solutions are described as follows.

[0007] The utility model provides a kind of milk packaging bag, comprising: box, straw assembly, suction nozzle assembly and flavouring concentrate injection device;The straw assembly includes straw and straw packaging bag;The suction nozzle assembly includes suction nozzle and suction nozzle sealing cover;The flavouring concentrate injection device includes liquid storage cavity, liquid storage cavity sealing cover, scale push rod and check valve.

[0008] Optionally, the box is made of paper-aluminum-plastic composite material, and the edge is sealed by heat sealing process.

[0009] Optionally, the straw is located in the straw packaging bag and adhered to the outer surface of the box.

[0010] Optionally, the liquid storage cavity and the suction nozzle are fixed on the upper surface of the box by heat sealing, forming an independent sealed chamber.

[0011] Optionally, the inner wall of the liquid storage cavity is coated with food-grade hydrophobic material to prevent the residue of the flavouring concentrate.

[0012] Optionally, the push rod axially penetrates the liquid storage cavity, and the outer wall of the push rod is marked with a scale. By pushing the push rod, the flavouring concentrate in the liquid storage cavity is quantitatively injected into the box through the check valve.

[0013] Optionally, the liquid storage cavity and the suction nozzle are provided with external threads, the suction nozzle sealing cover and the liquid storage cavity sealing cover are provided with internal threads, and the liquid storage cavity sealing cover is higher than the liquid storage cavity.

[0014] Optionally, the check valve is a plastic diaphragm check valve.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. The milk packaging bag provided by the utility model stores the flavouring concentrate in the liquid storage cavity and injects it by push rod pressing, avoiding spilling caused by external operation and realizing instant mixing of the beverage. At the same time, the push rod is protected by the liquid storage cavity sealing cover, preventing the flavouring concentrate from being injected due to accidental touch. The operation is simple and safe.

[0017] 2. The milk packaging bag provided by the utility model realizes quantitative injection of the flavouring concentrate by marking the scale on the push rod, solving the problem of inaccurate quantitative addition of the flavouring concentrate from the outside. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, hereinafter, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative effort. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0019] A milk packaging bag comprises two drawings, wherein:

[0020] Figure 1 is a schematic view of the whole milk packaging bag;

[0021] Figure 2 is a schematic view of a flavoring concentrate injection device.

[0022] Reference signs: 1 - box body; 2 - suction pipe; 3 - suction pipe packaging bag; 4 - suction nozzle; 5 - suction nozzle sealing cover; 6 - liquid storage cavity; 7 - liquid storage cavity sealing cover; 8 - push rod; 9 - scale; 10 - one-way valve. Specific embodiments

[0023] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. In the following description, specific details such as specific configurations and components are provided only to help the overall understanding of the embodiments of the present application. Therefore, those skilled in the art should understand that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, in order to be clear and concise, the description of known functions and structures is omitted in the embodiments.

[0024] It should be understood that the "one embodiment" or "the embodiment" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "one embodiment" or "the embodiment" appearing throughout the specification does not necessarily mean the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner.

[0025] In addition, reference numerals and / or letters can be repeated in different examples of the present application. Such repetition is for the purpose of simplification and clarity, and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0026] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist simultaneously. The term " / and" in this article describes another type of relationship between related objects, indicating that two relationships can exist. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the related objects before and after it are in an "or" relationship.

[0027] In this article, the term "at least one" is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, "at least one of A and B" can mean: A exists alone, A and B exist simultaneously, or B exists alone.

[0028] It should also be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion.

[0029] Example 1

[0030] This embodiment proposes a milk packaging bag. To illustrate the specific technical solution of this utility model, a detailed description will be provided below in conjunction with the accompanying drawings.

[0031] This embodiment provides a milk packaging bag, including a box body 1, a straw assembly, a mouthpiece assembly, and a flavor concentrate injection device. The straw assembly includes a straw 2 and a straw packaging bag 3; the mouthpiece assembly includes a mouthpiece 4 and a mouthpiece sealing cap 5; the flavor concentrate injection device includes a liquid storage chamber 6, a liquid storage chamber sealing cap 7, a push rod 8, a scale 9, and a one-way valve 10.

[0032] like Figure 1 As shown, it is a schematic diagram of the overall structure of a milk packaging bag according to this embodiment, which shows the detailed structure of the packaging bag.

[0033] Optionally, the box body 1 is made of paper-aluminum-plastic composite material, including: paper, aluminum foil and plastic; the paper serves as the main structure, providing rigidity for the milk packaging bag, facilitating its support while also providing a certain degree of light protection; the aluminum foil can block oxygen, light and bacteria, extending the shelf life; the plastic serves as the sealing material for the inner and outer layers, preventing liquid leakage and microbial intrusion, and must meet food-grade safety standards.

[0034] Optionally, the edges of the box body 1 are connected by high-temperature heat sealing, which provides a high degree of sealing and facilitates storage.

[0035] Optionally, the straw 2, the straw packaging bag 3, the suction nozzle 4, the suction nozzle sealing cover 5, the liquid storage cavity 6 and the liquid storage cavity sealing cover 7 are made of food-grade plastic material.

[0036] Optionally, the suction nozzle 4 and the liquid storage cavity 6 are connected with the box body through heat sealing, and the outer surface is provided with external threads which are matched with the internal threads of the suction nozzle sealing cover 5 and the liquid storage cavity sealing cover 7 respectively, so that the friction force is generated through extrusion to ensure the firmness of the sealing cover and prevent it from being easily rotated or loosened.

[0037] Optionally, the straw 2 is located in the straw packaging bag 3 and is adhered to the outer surface of the box body by glue.

[0038] The technical effect achieved by the embodiment is that the milk packaging bag provided by the embodiment is connected through heat sealing process, the box body is made of paper-aluminum-plastic composite material, and the rest of the structure is made of food-grade plastic material, so that the milk shelf life is prolonged while the transportation and storage are facilitated, and the sealing performance of the packaging bag is also effectively improved due to the threaded cooperation design of the suction nozzle and the liquid storage cavity.

[0039] Embodiment 2

[0040] Based on the embodiment 1, the embodiment further describes a milk packaging bag. The following will be described in detail with reference to the accompanying drawings.

[0041] The embodiment details a device for injecting the seasoning concentrate of a milk packaging bag, and the structure thereof is shown in Figure 2 The device for injecting the seasoning concentrate comprises a liquid storage cavity 6, a push rod 8, a scale 9 and a one-way valve 10, and the one-way valve 10 is a plastic diaphragm type structure.

[0042] Optionally, the inner surface of the liquid storage cavity 6 can be covered with a food-grade hydrophobic coating to prevent the seasoning concentrate from remaining, and the outer surface of the liquid storage cavity 6 is provided with external threads which are matched with the internal threads of the liquid storage cavity sealing cover 7.

[0043] Optionally, the bottom of the liquid storage cavity is a plastic diaphragm one-way valve 10, and the plastic diaphragm one-way valve is composed of an inlet, an outlet, a valve body, a diaphragm and a spring, etc. When the concentrated seasoning liquid flows from the inlet, the pressure increases to push the diaphragm to move upward and compress the spring. When the medium pressure decreases, the spring counteracts the force to make the diaphragm descend and open the outlet channel. When the concentrated seasoning liquid flows in the opposite direction, the diaphragm remains closed due to the resistance.

[0044] Optionally, the height of the liquid storage cavity sealing cover 7 should be higher than the height of the liquid storage cavity 6, and the height should be higher than the height of the liquid storage cavity plus the push rod.

[0045] Optionally, the push rod 8 is made of food-grade plastic material, and the surface is marked with a scale 9, and the scale interval of the scale 9 is 1ml, and the maximum scale is 10ml.

[0046] The technical effect achieved by the embodiment is that the milk packaging bag provided by the embodiment, the seasoning concentrate injection device in the milk packaging bag can push the seasoning concentrate to be injected into the milk in time through the push rod and the one-way valve, and meanwhile, the problems of easy spilling and inaccurate quantification when adding the seasoning concentrate from the outside are solved.

[0047] The above merely describes preferred embodiments of the present application, which are not intended to limit the protection scope of the present application. For those skilled in the art, the present application can be variously changed and modified. Any change, modification, replacement, integration and parameter change of the embodiments within the spirit and principle of the present application, which can realize the same function without departing from the principle and spirit of the present application, falls within the protection scope of the present application.

Claims

1. A milk packaging bag, characterized by: The milk packaging bag comprises a box body (1), a straw assembly, a suction nozzle assembly and a flavor concentrate injection device; the straw assembly comprises a straw (2) and a straw packaging bag (3); the suction nozzle assembly comprises a suction nozzle (4) and a suction nozzle sealing cover (5); the flavor concentrate injection device comprises a liquid storage cavity (6), a liquid storage cavity sealing cover (7), a push rod (8), a scale (9) and a one-way valve (10); The push rod (8) is marked with the scale (9), and the push rod (8) axially penetrates the liquid storage cavity (6); The outer surface of the liquid storage cavity (6) is provided with external threads, the inner surface of the liquid storage cavity sealing cover (7) is provided with internal threads, and the height of the liquid storage cavity sealing cover (7) is higher than the height of the liquid storage cavity (6) plus the push rod (8).

2. A milk bag according to claim 1, characterized in that: The lower ends of the suction nozzle (4) and the liquid storage cavity (6) are embedded in the box body (1), the straw (2) is located in the straw packaging bag (3) and is adhered to the side edge of the box body (1).

3. A milk bag according to claim 1, characterized in that: The one-way valve (10) is a plastic diaphragm type one-way valve.

4. A milk bag according to claim 1, characterized in that: The scale interval of the scale (9) is 1ml, and the maximum scale is 10ml.

5. A milk bag according to claim 1, characterized in that: The one-way valve (10) is located at the bottom of the liquid storage cavity (6) and is in communication with the inside of the box body (1).

6. A milk bag according to claim 1, characterized in that: The inside of the liquid storage cavity (6) is covered with a food-grade hydrophobic material.

7. A milk bag according to claim 1, characterized in that: The box body (1) is made of paper-aluminum-plastic composite material, and is formed in the form of a roof box with a suction nozzle and a liquid storage cavity by folding and edge heat sealing.

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