Nutritional and convenient composite material bag

Abstract

The utility model belongs to the technical field of food material bags, and particularly relates to a composite material bag convenient for nutrition, which comprises a transparent packaging bag with an opening at the upper end, a sealing part for sealing the opening and various particle materials placed in the packaging bag, and the different materials are distributed in the packaging bag in a layered manner. The packaging bag is provided with an opening, so that at least three material layers which are sequentially arranged from the bottom of the packaging bag to the opening side are formed, in every two adjacent material layers, the outer diameter of a single material in the material layer close to the opening side is larger than that of a single material in the material layer close to the bottom of the packaging bag, and a vacuum layer is arranged between the material layer closest to the opening side and the opening. The materials are rich in nutrition, convenient and fast, a user can visually see the materials, and the user experience is improved; the materials are arranged in a layered mode, friction and collision of different materials are avoided, high quality of the materials is kept, the shelf life is prolonged, use safety is improved, and vacuum packaging is reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of food material bag, specifically relates to a compound material bag of nutrition convenience. BACKGROUND

[0002] With the acceleration of modern life rhythm, people's demand for healthy diet is increasing, especially the demand for food rich in nutrition and convenient is more urgent. The applicant has years of research on food processing machines such as soybean milk machine, wall breaking machine, electric rice cooker, etc. to provide users with cooking convenience. However, the traditional process of making soybean milk and porridge even with the assistance of food processing machines provides users with convenience to a certain extent, but the preparation steps of food materials are still relatively cumbersome, therefore, the applicant wants to develop a compound material bag rich in nutrition and convenient, which meets the user's demand for multiple nutrients and simplifies the user's meal preparation steps, and further improves the cooking convenience.

[0003] There are also some food material bags that can be directly used to cook porridge on the market, which contain a variety of food materials such as grains, beans, dried fruits and vegetables, etc. The nutrition is relatively comprehensive and it is convenient for users to use. The existing material bag is usually mixed with a variety of raw materials according to the proportion, weighed, packaged, vacuum or ordinary sealing, which will have the following problems:

[0004] 1. A variety of materials are mixed together, and the user cannot easily identify the type of food material, which is not intuitive, so that the user cannot choose the favorite food material or intake the unexpected or even allergic food material.

[0005] 2. A variety of materials are mixed together, and due to the different shapes, viscosity, moisture, sugar content, etc. of different food materials, the mixed food materials are rubbed and collided with each other during packaging or transportation, which reduces the quality and shelf life.

[0006] 3. If ordinary sealing is used, there will be problems of short shelf life, low food safety and short storage time, but if vacuum sealing is used, due to the mixing of a variety of food materials, small volume food materials close to the sealing position will be directly sucked away during the vacuum sealing process, which reduces the vacuum efficiency or fails, and the vacuum packaging is unreliable. INVENTION CONTENTS

[0007] The utility model provides a compound material bag of nutrition convenience to further solve the problem of user's inability to clearly identify the type of material due to the mixing of a variety of different materials and unreliable vacuum packaging on the basis of meeting the user's demand for multiple nutrients and simplifying the user's meal preparation steps.

[0008] The utility model provides a kind of composite material bag of nutrient convenience, including the transparent packaging bag of upper end being equipped with opening, the sealing portion of the opening being closed, multiple granular materials being placed in packaging bag, different materials are stratiform distribution in the packaging bag, to form at least three layers of material layer arranged in order from packaging bag bottom to opening side, in adjacent two layers of material layer, the outer diameter of single granular material in material layer close to opening side is greater than the outer diameter of single granular material in material layer close to packaging bag bottom, and vacuum layer is arranged between material layer closest to opening side and opening.

[0009] The utility model provides a kind of composite material bag of nutrient convenience, by placing multiple granular materials in packaging bag, the complementation and enhancement of different material nutrition are realized, satisfy the multiple nutrition demand of user to food material, composite material bag does not need user to prepare food material separately, simplify the meal preparation step of user. By different materials are stratiform distribution in the packaging bag, to form at least three layers of material layer arranged in order from packaging bag bottom to opening side, and packaging bag is transparent packaging bag, therefore, the material type of composite material bag inside, material number is at a glance, user can visually see material, to be able to select desired food material, and avoid food material that is allergic or not like, improve user experience. In adjacent two layers of material layer, the outer diameter of single granular material in material layer close to opening side is greater than the outer diameter of single granular material in material layer close to packaging bag bottom, that is, material layer close to packaging bag bottom is compact, and gap is small, and large granular material in upper layer is difficult to fall and mix into lower layer, to be favorable to the stratification of different materials, avoid different materials mutual friction and collision, keep the high quality of material, prolong shelf life, improve use safety. Moreover, when material is loaded and packaging bag is vacuum sealed, since the outer diameter of single granular material in material layer close to opening side is large, it will not be sucked into vacuum device, and material far from opening side is small, and it will not be sucked into vacuum device, so that vacuum packaging is reliable. Vacuum layer is arranged between material layer closest to opening side and opening, to be favorable to the vacuum preservation of material, prolong shelf life, improve food safety.

[0010] In a preferred embodiment, the height H1 of the vacuum layer is not less than the height H2 of the material layer closest to the opening side.

[0011] By making the height H1 of the vacuum layer not less than the height H2 of the material layer closest to the opening side, the packaging bag can reserve enough space for vacuumizing, and there is enough distance between the material and the opening to further prevent the material from being sucked into the vacuum device.

[0012] In a preferred embodiment, the height H1 of the vacuum layer satisfies: 1.5 cm ≤ H1 ≤ 4 cm.

[0013] If the height H1 of the vacuum layer is less than 1.5 cm, the material is too close to the opening of the packaging bag, which is not conducive to the implementation of vacuumizing, and also increases the risk of vacuum failure; if the height H1 of the vacuum layer is greater than 4 cm, there is more air above the food materials, which reduces the vacuumizing efficiency and is not conducive to the implementation of vacuumizing. Therefore, meeting 1.5 cm≤H1≤4 cm can improve the reliability of vacuumizing the composite material bag, prolong the shelf life of the composite material bag, and improve food safety.

[0014] In a preferred embodiment, the height H1 of the vacuum layer and the height H3 of the packaging bag satisfy: 1 / 10≤H1 / H3≤1 / 4.

[0015] If the height H1 of the vacuum layer is too small, that is, when the material is too much, the material is too close to the opening of the packaging bag, which is not conducive to the implementation of vacuumizing, and also increases the risk of vacuum failure; if the vacuum layer is too large, it will occupy too much space of the packaging bag, the material placement is too small, and the vacuumizing efficiency is reduced, therefore, meeting 1 / 10≤H1 / H3≤1 / 4 makes the space of the packaging bag be reasonably utilized, which neither causes too little material to fail to meet the user's demand, nor causes too much material to cause unreliable vacuumizing.

[0016] In a preferred embodiment, a separation strip is arranged in the packaging bag to separate adjacent two layers of material.

[0017] By arranging the separation strip, the mixing of materials at the junction position of adjacent two layers of material is further avoided, and the mutual friction and collision of different materials are also avoided, so that the high quality of the material is maintained, the shelf life is prolonged, the use safety is improved, the material layering effect is improved, the overall appearance is improved, and the user can more intuitively and clearly identify the type and quantity of the material.

[0018] More preferably, the separation strip includes a protruding rib protruding from the inner surface of the packaging bag; or the separation strip includes a self-sealing strip and a self-sealing groove oppositely arranged on the inner surface of the packaging bag, and the self-sealing strip and the self-sealing groove are inserted and matched.

[0019] The protruding rib protruding from the inner surface of the packaging bag is used to separate the materials, which avoids the mixing of materials at the junction position, simplifies the structure of the packaging bag, and does not need to increase the workload of the packaging workers, thereby improving the packaging efficiency; by using the self-sealing strip and the self-sealing groove, the self-sealing strip and the self-sealing groove are inserted and matched, and the isolation operation can be performed every time a layer of material is packed during packaging, so that the mixing of adjacent two layers of material is avoided.

[0020] In a preferred embodiment, different materials form a first material layer, a second material layer, and a third material layer arranged in sequence from the bottom of the packaging bag to the opening side, and the cross section of a single material of the second material layer is a polygon.

[0021] Due to the existence of sharp corners of the material with a polygonal cross section, the packaging bag is easily punctured during vacuumizing and shrinking, therefore, the single material of the second material layer in the middle layer is polygonal, which can avoid the puncture of the packaging bag during vacuumizing and improve the reliability of vacuum packaging.

[0022] More preferably, the cross section of the single material of the first material layer is circular or elliptical; or the cross section of the single material of the third material layer is circular or elliptical.

[0023] The first material layer is close to the lower layer, and the circular or elliptical material is used to reduce the gap and avoid the mixing of the upper layer material into the gap, which is beneficial to the layered arrangement of different materials, and the type and number of materials can be easily identified.

[0024] In a preferred embodiment, different materials form at least three layers of material in the packaging bag, including a grain layer, a bean layer, a nut layer, a fruit and vegetable dry layer, and a potato layer.

[0025] The grain layer, the bean layer, the nut layer, the fruit and vegetable dry layer, and the potato layer are easily identified by users, improving user experience, and can also be complementary and enhanced in nutrition to meet the nutritional needs of users.

[0026] In a preferred embodiment, the outer surface of the packaging bag is provided with an identification layer corresponding to the position of the sealing portion.

[0027] The identification layer is located at the position of the sealing portion, which avoids blocking the material and improves the visualization of the packaging bag, and can also mark the main type of the material to assist users in identifying the material in the packaging bag. BRIEF DESCRIPTION OF DRAWINGS

[0028] The drawings described herein are used to provide a further understanding of the present application, and form a part of the present application. The illustrative embodiments of the present application and their descriptions serve to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0029] Figure 1 is a cross-sectional view of a composite material package in an embodiment of the present application;

[0030] Figure 2 is a structural view of a composite material package in an embodiment of the present application;

[0031] Figure 3 is a structural view of a composite material package in another embodiment of the present application.

[0032] Reference numerals: 10, packaging bag; 20, sealing part; 30, material layer; 31, first material layer; 32, second material layer; 33, third material layer; 34, fourth material layer; 40, vacuum layer; 50, identification layer; 60, isolation strip. DETAILED DESCRIPTION

[0033] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail with reference to the accompanying drawings.

[0034] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details given herein. In other instances, well-known methods have not been described in detail in order to avoid unnecessarily obscuring the present application. It is to be understood that the foregoing description is exemplary of the overall teachings of the present application. Therefore, various changes can be made to the implementations described and illustrated herein without departing from the scope of the present application. Accordingly, the terms "comprises", "comprising", "including", "containing", "has", "having", "includes" or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises, has, includes, contains a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a", "has... a", "includes... a", "contains... a" does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises, has, includes, contains the element. The terms "a" and "an" are defined as one or more unless explicitly indicated to the contrary or indicated to the contrary by context. The terms "another" and "comprise another" are defined as one or more unless explicitly indicated to the contrary.

[0035] In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0036] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection, or communication; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] As Figure 1 shown, the utility model provides a kind of composite material package of nutrition and convenience in one embodiment, including the transparent packaging bag 10 with the opening of upper end, the sealing portion 20 of opening closure, the multiple granular materials placed in packaging bag, different materials are stratiform distribution in the packaging bag, to form at least three layers of material layer 30 arranged in order from the bottom of packaging bag to the opening side, in adjacent two layers of material layer 30, the outer diameter of single granular material in the material layer close to the opening side is greater than the outer diameter of single granular material in the material layer close to the bottom of packaging bag, and vacuum layer 40 is arranged between the material layer close to the opening side and the opening.

[0039] The composite material package of nutrition and convenience provided by the utility model, by placing multiple granular materials in packaging bag 10, the complementary and enhancement of the nutrition of different materials are realized, meet the multiple nutrition demand of user to food material, composite material package does not need user to prepare food material separately, simplifies the meal preparation step of user. By stratiform distribution of different materials in the packaging bag 10, to form at least three layers of material layer arranged in order from the bottom of packaging bag 10 to the opening side, and packaging bag 10 is transparent packaging bag 10, therefore, the material type and the number of materials inside composite material package are self-evident, user can visually see material, to be able to select desired food material, and avoid food material that is allergic or not liked, improve user experience. In adjacent two layers of material layer, the outer diameter of single granular material in the material layer close to the opening side is greater than the outer diameter of single granular material in the material layer close to the bottom of packaging bag 10, that is, the material layer close to the bottom of packaging bag 10 is compact, and the gap is small, and the large granular material of upper layer is difficult to fall and mix into lower layer, so as to be favorable for the stratification of different materials, avoid different materials rubbing and colliding with each other, keep the shape and high quality of material, prolong shelf life, improve use safety. Moreover, when vacuum sealing is carried out to packaging bag 10 after being filled with material, since the outer diameter of single granular material in the material layer close to the opening side is large, it will not be sucked into vacuum device, and the material in the material layer far from the opening side is small, and it will not be sucked into vacuum device, so that vacuum packaging is reliable. Vacuum layer 40 is arranged between the material layer close to the opening side and the opening, which is favorable for vacuum preservation of material.

[0040] It should be noted that, considering the irregular shape of material, the above-mentioned outer diameter of single granular material refers to the maximum outer diameter of material. It can be understood that the three layers of material of the utility model are not limited to being linearly separated between adjacent two layers of material, and in fact, since the shape of material is irregular, as Figure 2 shown, a small amount of mixing will exist at the junction between adjacent two layers of material, and this structure is still within the protection scope of the utility model.

[0041] Of course, in another preferred embodiment, as Figure 3As shown, the packaging bag 10 is provided with a separation strip 60 separating the adjacent two layers of material.

[0042] More preferably, the separation strip 60 comprises a protruding rib protruding on the inner surface of the packaging bag 10; or the separation strip 60 comprises a self-sealing strip and a self-sealing groove oppositely arranged on the inner surface of the packaging bag 10, and the self-sealing strip and the self-sealing groove are inserted and matched.

[0043] By arranging the separation strip 60, the mixing of materials at the junction of the adjacent two layers of material is further avoided, and the mutual friction and collision of different materials are also avoided, the shape and high quality of the materials are maintained, the shelf life is prolonged, the use safety is improved, the material layering effect is improved, the overall appearance is improved, and the user can more intuitively and clearly identify the material type and quantity. The protruding rib protruding on the inner surface of the packaging bag 10 is used to separate the materials, which avoids the mixing of materials at the junction and simplifies the structure of the packaging bag 10, and does not need to increase the workload of the packaging workers, thereby improving the packaging efficiency. By using the self-sealing strip and the self-sealing groove, the self-sealing strip and the self-sealing groove are inserted and matched, and during packaging, isolation can be performed after each layer of material is loaded, for example, after each layer of material is loaded, the self-sealing strip above the material is pressed into the self-sealing groove to achieve isolation, and then the next layer of material is assembled. Of course, the cooperation of the self-sealing groove and the self-sealing strip is preferably allowed to pass air to facilitate vacuum sealing of each layer, or only the uppermost layer of material is vacuumized, and the opening is sealed to prevent mixing of adjacent two layers of material.

[0044] In a preferred embodiment, referring to Figure 1 As shown, the height H1 of the vacuum layer 40 is not less than the height H2 of the material layer closest to the opening side.

[0045] By arranging the height H1 of the vacuum layer 40 to be not less than the height H2 of the material layer closest to the opening side, the packaging bag 10 can reserve sufficient space for vacuumization, and the material and the opening have sufficient distance to further avoid the material being sucked into the vacuum device.

[0046] In a preferred embodiment, the height H1 of the vacuum layer 40 satisfies: 1.5cm≤H1≤4cm.

[0047] If the height H1 of the vacuum layer 40 is less than 1.5 cm, the material is too close to the opening of the packaging bag 10, which is not conducive to the implementation of vacuumizing, and also increases the risk of vacuum failure; if the height H1 of the vacuum layer 40 is greater than 4 cm, there is more air above the food material, which reduces the efficiency of vacuumizing, and is not conducive to the implementation of vacuumizing. Therefore, meeting 1.5 cm≤H1≤4 cm can improve the reliability of vacuumizing the composite material package, prolong the shelf life of the composite material package, and improve food safety.

[0048] In a preferred embodiment, the height H1 of the vacuum layer 40 and the height H3 of the packaging bag 10 meet: 1 / 10≤H1 / H3≤1 / 4.

[0049] If the height H1 of the vacuum layer 40 is too small, that is, when the material is too much, the material is too close to the opening of the packaging bag 10, which is not conducive to the implementation of vacuumizing, and also increases the risk of vacuum failure; if the height H1 of the vacuum layer 40 is too large, it will occupy too much space of the packaging bag 10, and the material is too small, and the efficiency of vacuumizing is reduced, therefore, meeting 1 / 10≤H1 / H3≤1 / 4 makes the space of the packaging bag 10 be used reasonably, which neither causes the material to be too small to meet the user's demand, nor causes the material to be too much to make the vacuumizing unreliable.

[0050] In a preferred embodiment, the packaging bag 10 adopts a double-sided packaging bag 10, the oxygen transmission rate of the bag is ≤150; the pull-off force is ≥20 N; and the right-angle tearing force is ≥60 N, so as to further improve the reliability of vacuum packaging.

[0051] In order to ensure better nutrition, in a preferred embodiment, the composite material package can select the following three or more materials as raw materials: the selection of the material can include: cereals, beans, tubers, dried fruits, aquatic plants, nuts, mushrooms, herbs, and flower tea.

[0052] Specifically, the cereals are, for example, rice, brown rice, oatmeal, red rice, black rice, Job's tears, and corn cob; the beans are, for example, soybeans, red beans, green beans, and black beans; the tubers are, for example, dried yam and dried purple sweet potato; the dried fruits are, for example, dried red dates, dried mulberries, dried Chinese wolfberry, dried black Chinese wolfberry, dried cranberries, dried longan, and dried tangerine peel; the aquatic plants are, for example, lotus seeds and gordon euryale seeds; the nuts are, for example, walnuts, almonds, black sesame seeds, peanuts, and almonds; the mushrooms are, for example, Hericium erinaceus, dried tremella, and Poria cocos; the herbs are, for example, ginseng slices, ganoderma slices, radix codonopsis, dendrobium officinale, dried lilies, and turmeric; and the flower tea is, for example, rose flowers, dried osmanthus, and chrysanthemum.

[0053] Correspondingly, in order to better show the layering effect:

[0054] In a preferred embodiment, the different materials form a grain layer, a legume layer, a nut layer, a dried fruit and vegetable layer, and a tuber layer arranged in sequence from the bottom of the packaging bag 10 to the opening side. Of course, three or four of them can also be selected.

[0055] In a preferred embodiment, the structure of the composite material package according to the category includes a grain layer, a legume layer, a tuber layer, a dried fruit layer, an aquatic plant layer, a nut layer, a mushroom layer, a herb layer, and a scented tea layer arranged in sequence from bottom to top. It is easy for users to identify, improves user experience, and can also be complementary and enhanced in nutrition, meeting the multiple nutritional needs of users. Of course, three or four of them can also be selected and arranged according to the above priority order.

[0056] In a preferred embodiment, the different materials form a first material layer, a second material layer, and a third material layer arranged in sequence from the bottom of the packaging bag 10 to the opening side, and the single material of the second material layer is polygonal.

[0057] More preferably, the single material of the first material layer is circular or elliptical, or the single material of the third material layer is circular or elliptical.

[0058] The polygonal material is specifically, for example, dried tremella, coconut crisp, etc.; the circular material is, for example, soybeans, mung beans, red beans, dried longans, millet, etc.; and the elliptical material is, for example, oats, dried red dates, dried Chinese wolfberries, etc.

[0059] Since the polygonal material has sharp corners, it is easy to pierce the packaging bag 10 when the packaging bag 10 is vacuumed and shrunk, therefore, the single material of the second material layer located in the middle layer is polygonal, which can avoid the packaging bag 10 being pierced during the vacuuming process, improving the reliability of vacuum packaging. The first material layer is close to the lower layer, and adopts a circular or elliptical material, which reduces the gap and avoids the upper layer material falling into the gap, which is beneficial to the layered arrangement of different materials, and the material type and the number of materials are self-evident. The third material layer is close to the upper layer and is adjacent to the opening, therefore, the single material is circular or elliptical, which avoids the material piercing the packaging bag 10 during the vacuuming process, improving the reliability of vacuum packaging.

[0060] It should be noted that the present application is layered according to the physical properties of different food materials, including category, volume, and shape. The priority of the packaging logic is considered in the order of category, volume, and shape. In addition, the material can also be arranged to form multiple material layers according to the hardness, viscosity, brittleness, and water content of the material, and the priority of the packaging logic is density, brittleness, viscosity, hardness, and physical properties. The composite material package provided by the present application is obtained according to the above guarantee logic.

[0061] The raw material assembly steps of the composite material package provided by the present application are as follows:

[0062] Raw material screening: high-quality raw materials are screened out, and impurities and defective raw materials are removed;

[0063] Raw material weighing: each raw material is weighed according to a specific formula;

[0064] Raw material assembly: the weighed raw materials are placed in the packaging bag in a specific order;

[0065] Vacuumizing: set the vacuum degree and vacuumizing time, and perform vacuumizing treatment according to the set specific vacuum parameters;

[0066] Sealing: seal the packaging bag according to the specific sealing width and sealing height.

[0067] Specifically, as shown in Figure 2 , when packaging the materials, the arrangement can be prioritized according to the volume, and the shape of the materials is considered simultaneously. As shown in Figure 2 , in a preferred embodiment, the material layers are the first material layer 31, the second material layer 32, and the third material layer 33, and the fourth material layer 34 from bottom to top, and more specifically, the first material layer 31, the second material layer 32, and the third material layer 33, and the fourth material layer 34 are oatmeal, soybeans, yam, and red dates, respectively. The materials are layered according to the volume and shape.

[0068] Therefore, the composite material package provided by the present embodiment can achieve:

[0069] Diversified taste: users can try different flavor material packages every day, avoiding single taste and increasing the freshness of diet;

[0070] Balanced nutrition: different materials contain different nutrients, and multiple days without repetition help users to intake more comprehensive nutrients and promote health;

[0071] Personalized selection: users can flexibly select different material packages according to personal preferences and dietary needs to meet individual taste preferences;

[0072] Cooking diversification: users can flexibly select to make soy milk, rice paste, and porridge according to the types of materials in the composite material package to achieve creative cooking and diversify the taste.

[0073] In a preferred embodiment, the outer surface of the packaging bag 10 is provided with an identification layer 50 corresponding to the position of the sealing portion 20. Optionally, the identification layer 50 is a text layer or a pattern layer arranged on the outer surface of the packaging bag 10.

[0074] The identification layer 50 is located at the position of the sealing portion 20, avoiding blocking the materials and improving the visualization of the packaging bag 10, while marking the main type of the materials, the weight, or the material-water ratio, etc., to assist users in identifying the materials in the packaging bag 10.

[0075] The places not described in the utility model can be realized by using or referring to the existing technology.

[0076] Each of the embodiments in the specification adopts a progressive manner for description, and the same and similar parts between the embodiments can be referred to each other, and each of the embodiments mainly describes the difference from other embodiments.

[0077] The above is only an embodiment of the utility model, and is not used for limiting the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the claim range of the utility model.

Claims

1. A nutritionally convenient composite material package characterized by, The package bag comprises a transparent package bag with an opening at the upper end, a sealing part for sealing the opening, and a plurality of granular materials placed in the package bag, wherein the different materials are distributed in layers in the package bag to form at least three layers of materials arranged in sequence from the bottom of the package bag to the opening side, and the outer diameter of the single granular material in the material layer close to the opening side is greater than that of the single granular material in the material layer close to the bottom of the package bag, and a vacuum layer is arranged between the material layer close to the opening side and the opening.

2. The nutritional convenience compound package of claim 1, wherein, The height H1 of the vacuum layer is not less than the height H2 of the material layer close to the opening side.

3. The nutritional convenience compound package of claim 1, wherein, The height H1 of the vacuum layer satisfies 1.5 cm≤H1≤4 cm.

4. The nutritional convenience compound package of claim 1, wherein, The height H1 of the vacuum layer and the height H3 of the package bag satisfy 1 / 10≤H1 / H3≤1 / 4.

5. The nutritional convenience compound package of claim 1, wherein, The package bag is provided with a separation strip separating the adjacent two layers of materials.

6. A nutritionally convenient composite package according to claim 5, wherein, The separation strip comprises a convex rib on the inner surface of the package bag. Alternatively, the separation strip comprises a self-sealing strip and a self-sealing groove oppositely arranged on the inner surface of the package bag, and the self-sealing strip and the self-sealing groove are inserted and matched.

7. The nutritional convenience compound package of claim 1, wherein, The different materials form a first material layer, a second material layer, and a third material layer arranged in sequence from the bottom of the package bag to the opening side, and the cross section of the single granular material in the second material layer is polygonal.

8. The nutritional convenience compound package of claim 7, wherein, The cross section of the single granular material in the first material layer is circular or elliptical. Alternatively, the cross section of the single granular material in the third material layer is circular or elliptical.

9. The nutritional convenience compound kit of claim 1, wherein, The different materials form at least three layers of material layers in the package bag, which are a cereal layer, a legume layer, a nut layer, a fruit and vegetable dry layer, and a potato layer.

10. The nutritional convenience compound kit of claim 1, wherein, The outer surface of the package bag is provided with an identification layer corresponding to the position of the sealing part.

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