Packaging box for edible oil and fat

Abstract

The packaging box comprises a box body and a detachable cover body, a sealed space used for containing grease is formed between the box body and the cover body, the box body comprises an outer protection layer, a supporting layer, a blocking layer and an inner protection layer which are sequentially arranged from outside to inside, and an observation opening is formed in the bottom of one side of the box body. The outer side and the inner side of the observation opening are connected with a transparent outer sealing layer and a transparent inner sealing layer in a sealed mode respectively. A liquid outlet is formed in the upper portion of the box body, a connecting piece is connected to the outer side of the liquid outlet in a sealed mode, and the cover body and the connecting piece are detachably connected in a sealed mode. The packaging box has the beneficial effects that the sealing performance, the freshness retaining performance, the durability and the like of the packaging box are improved.

Description

Technical Field

[0001] The utility model relates to a packaging box, in particular to a packaging box for edible oils and fats, belonging to the technical field of packaging boxes. Background Art

[0002] With the development of the social economy and the improvement of people's living standards, people are increasingly concerned about food safety and nutritional health. Among many foods, cooking oil is an indispensable part of daily cooking, and its quality is directly related to human health. However, most cooking oils on the market are still sold in traditional barrels, with main specifications including 20L, 10L, 5L, and 0.1L. Although this packaging method is convenient for storage and transportation, it has many inconveniences in actual use. For example, large-capacity packaging is not suitable for small families or short-term individual consumption, and it is often difficult to consume it all in a short period of time. Prolonged exposure to air after opening can easily cause the oil to oxidize and deteriorate, and is not conducive to maintaining the freshness and nutritional value of the oil. In addition, edible oils generally need to be stored away from light. The packaging barrels commonly used on the market are generally transparent materials, and prolonged exposure to light may cause the cooking oil to deteriorate. Utility Model Content

[0003] The present invention is mainly aimed at the above-mentioned problems existing in the prior art, and provides a packaging box for edible oils and fats. By presenting edible oils to consumers in a more refined and convenient manner, it can not only effectively solve the defects of the existing packaging, but also further enhance the market competitiveness of the product.

[0004] The purpose of this utility model is mainly achieved through the following solutions:

[0005] A packaging box for edible oils and fats comprises a box body and a detachable cover, a sealed space for accommodating oils and fats being formed between the box body and the cover, the box body comprising an outer protective layer, a support layer, a barrier layer and an inner protective layer arranged in sequence from the outside to the inside, an observation port being provided at the bottom of one side of the box body, and the outer side and the inner side of the observation port being sealedly connected to a transparent outer sealing layer and an inner sealing layer, respectively; a liquid outlet being provided at the top of the box body, the outer side of the liquid outlet being sealedly connected to a connector, and the cover body and the connector being detachably and sealedly connected.

[0006] Preferably, the outer protective layer is made of PET film material, and the thickness of the outer protective layer is set to 0.05mm-0.15mm.

[0007] Preferably, the support layer is made of food-grade corrugated cardboard or solid cardboard, and the thickness of the support layer is set to 0.5mm-1.5mm.

[0008] Preferably, the barrier layer is provided with two layers, including an outer aluminum foil layer and an inner EVOH film layer, and the thickness of the aluminum foil layer is set to 0.01-0.02 mm, and the thickness of the EVOH film layer is set to 0.01-0.03 mm.

[0009] Preferably, the inner protective layer is made of PE, LDPE or LLDPE, and the thickness of the inner protective layer is set to 0.02mm-0.05mm.

[0010] Preferably, the observation port adopts a vertical strip structure, and both the outer sealing layer and the inner sealing layer can cover the observation port, and an opaque tearable film is further provided on the outer side of the outer sealing layer.

[0011] Preferably, the outer sealing layer and the inner sealing layer are both made of PE or PP material, and the thickness of the outer sealing layer and the inner sealing layer are both set to 0.02mm-0.03mm.

[0012] Preferably, the connecting member includes a pull plate connected to the outside of the liquid outlet and a liquid outlet pipe integrally formed on the upper surface of the pull plate. The liquid outlet pipe and the pull plate are both provided with through holes communicating with the interior of the box body. The liquid outlet pipe is threadedly connected to the cover body.

[0013] Preferably, one side of the pull plate extends upward and is provided with a warped edge.

[0014] Preferably, the volume of the box body is 100mL-1000mL.

[0015] Therefore, compared with the prior art, the present invention has the following advantages:

[0016] (1) The utility model effectively isolates the external factors by providing a multi-layer composite structure of an outer protective layer, a support layer, a barrier layer and an inner protective layer, thereby improving the sealing, freshness preservation and durability of the packaging box;

[0017] (2) The utility model provides an observation port and an outer sealing layer and an inner sealing layer on both sides of the observation port, which makes it convenient for consumers to observe the use of oil inside the packaging box at any time, thereby improving the user experience. The design of the light-proof and easy-to-tear film further protects the edible oil from being affected by light;

[0018] (3) The utility model provides a connector and a cover, which makes it easier for consumers to pour out the grease and improves the convenience of use. The detachable sealing connection of the cover also ensures the multiple uses and hygiene of the packaging box.

[0019] (4) This utility model solves many inconveniences in the use of traditional barreled cooking oil. It also improves the user experience by optimizing the packaging design, which is in line with the modern society's pursuit of a healthy and environmentally friendly lifestyle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is the main view of the utility model;

[0022] Figure 3 This is a schematic diagram of the installation of the cover body and the box body in the utility model;

[0023] Figure 4 It is a schematic diagram of the internal structure of the utility model;

[0024] Figure 5 yes Figure 4 Enlarged view of point A in the middle;

[0025] Figure 6 It is a schematic diagram of the composition of each layer of the box body in the present invention.

[0026] Illustration: 1-box body, 2-cover body, 3-outer protective layer, 4-support layer, 5-barrier layer, 6-inner protective layer, 7-observation port, 8-outer sealing layer, 9-inner sealing layer, 10-connector, 11-aluminum foil layer, 12-EVOH film layer, 13-pull plate, 14-liquid outlet pipe, 15-warped edge. DETAILED DESCRIPTION

[0027] The following is a further detailed description of the technical solution of the present invention through specific embodiments and in conjunction with the accompanying drawings. It should be understood that the implementation of the present invention is not limited to the following embodiments, and any form of modification and / or change made to the present invention will fall within the scope of protection of the present invention.

[0028] In this utility model, unless otherwise specified, all parts and percentages are by weight. The equipment and raw materials used are commercially available or commonly used in the art. The methods in the following embodiments, unless otherwise specified, are conventional methods in the art. The components or equipment in the following embodiments, unless otherwise specified, are all common standard parts or components known to those skilled in the art. Their structures and principles are known to those skilled in the art through technical manuals or routine experimental methods.

[0029] Example 1:

[0030] like Figure 1 、 2As shown in Figures 3, the utility model provides a technical solution for a packaging box for edible oils and fats, which consists of a box body 1 and a detachable cover body 2. A sealed space for accommodating oils and fats is formed between the box body 1 and the cover body 2. The volume of the box body 1 is 100mL-1000mL, which is suitable for edible oil packaging with different capacity requirements. Specifications such as 100mL, 200mL, 300mL, 500mL, and 1000mL can be designed according to actual conditions to achieve differentiated supply.

[0031] Specifically, the box body 1 includes an outer protective layer 3, a support layer 4, a barrier layer 5 and an inner protective layer 6, which are arranged in sequence from the outside to the inside, and adopts a multi-layer light-proof composite structure to effectively isolate external factors; an observation port 7 is provided at the bottom of one side of the box body 1, and the outer and inner sides of the observation port 7 are sealed and bonded with a transparent outer sealing layer 8 and an inner sealing layer 9 respectively. The setting of the outer sealing layer 8 and the inner sealing layer 9 facilitates the user to observe the state of the oil; a liquid outlet is provided at the upper part of the box body 1, and a connecting piece 10 is sealed and bonded to the outer side of the liquid outlet, and the cover body 2 and the connecting piece 10 are detachably sealed and connected. In this embodiment, the box body 1 adopts a rectangular structure, and the liquid outlet is located at a corner of the top of the box body 1, which is convenient for pouring out edible oils, and the observation port 7 is located at the lower part of the side wall of the box body 1 corresponding to the liquid outlet.

[0032] Example 2:

[0033] like Figure 1 、 6 As shown, the present invention provides another technical solution for a packaging box for edible oils and fats. The difference from Example 1 is that the outer protective layer 3 is made of PET film material with a thickness set to 0.05mm-0.15mm, preferably 0.01mm in this embodiment. The outer protective layer 3 provides physical protection to prevent external environmental factors (such as light and temperature changes) from affecting the inner layer material and contents. At the same time, this layer can be printed with product information, brand logo, etc.

[0034] Specifically, the support layer 4 is made of food-grade corrugated cardboard or solid cardboard, with a thickness set to 0.5mm-1.5mm, preferably 1mm in this embodiment. The support layer 4 provides structural support, enhances the rigidity and stability of the packaging box, and has good printing performance.

[0035] Specifically, the barrier layer 5 is provided with two layers, consisting of an outer aluminum foil layer 11 and an inner EVOH film layer 12. The thickness of the aluminum foil layer 11 is set to 0.01mm-0.02mm, and the thickness of the EVOH film layer 12 is set to 0.01mm-0.03mm. In this embodiment, the thickness of the aluminum foil layer 11 is preferably 0.015mm, and the thickness of the EVOH film layer 12 is preferably 0.02mm. The aluminum foil has excellent gas barrier properties, and EVOH has an excellent barrier effect on moisture and oxygen, protecting the internal edible oil from oxidation and contamination.

[0036] Specifically, the inner protective layer 6 is made of PE, LDPE or LLDPE, and the thickness is set to 0.02mm-0.05mm, preferably 0.03mm in this embodiment. The inner protective layer 6 ensures the safety and compatibility of direct contact with grease, and also plays a certain anti-leakage role.

[0037] Specifically, the layers are bonded together. Hot melt glue or a two-component adhesive is evenly applied on both sides of the support layer 4. The outer protective layer 3 is attached to the outer side of the support layer 4 to ensure that there are no bubbles or wrinkles. The outer side of the barrier layer 5 is attached to the inner side of the support layer 4 to ensure that there are no bubbles or wrinkles. The inner protective layer 6 is attached to the inner side of the barrier layer 5 to ensure that the surface in direct contact with the edible oil is smooth and free of defects. The aluminum foil layer 11 and the EVOH film layer 12 are bonded together.

[0038] Example 3:

[0039] like Figure 1 、 4 As shown in Figures 5 and 6, the present invention provides another technical solution for a packaging box for edible oils and fats. The difference from Example 1 is that the observation port 7 adopts a vertical strip structure, and the outer sealing layer 8 and the inner sealing layer 9 can both cover the observation port 7. An opaque, easy-to-tear film (not shown in the figure) is also adhered to the outer side of the outer sealing layer 8.

[0040] Specifically, the outer sealing layer 8 and the inner sealing layer 9 are both made of PE or PP material, and the thickness of the outer sealing layer 8 and the inner sealing layer 9 are both set to 0.02mm-0.03mm, preferably 0.02mm in this embodiment. The setting of the outer sealing layer 8 and the inner sealing layer 9 is convenient for users to observe the state of the oil and fat, and at the same time has good sealing performance. The outer sealing layer 8 and the inner sealing layer 9 are respectively heat-sealed or bonded to the outer protective layer 3 and the inner protective layer 6; the setting of the easy-tear film protects the edible oil from being affected by light, and is convenient for users to tear off the easy-tear film to observe the inside of the box body 1, and the easy-tear film can be bonded and used multiple times.

[0041] Example 4:

[0042] like Figure 1 、 3 As shown in Figure 4, the utility model provides another technical solution for a packaging box for edible oils and fats. The difference from Example 1 is that the connecting piece 10 is composed of a pull plate 13 connected to the outside of the liquid outlet and a liquid outlet pipe 14 integrally formed on the upper surface of the pull plate 13. The liquid outlet pipe 14 and the pull plate 13 are both provided with through holes connected to the interior of the box body 1. The outer wall of the liquid outlet pipe 14 is provided with an external thread, and the inner wall of the cover body 2 is provided with an internal thread. The cover body 2 and the liquid outlet pipe 14 are threadedly connected to ensure sealing and convenience of use.

[0043] Specifically, one side of the pull plate 13 extends upward and is integrally provided with a warping edge 15 . In this embodiment, the warping edge 15 faces the outside of the box body 1 , making it easy to tear the pull plate 13 from the box body 1 for subsequent separation and recovery.

[0044] The packaging box for edible oils and fats provided by the utility model effectively isolates external factors through the multi-layer composite structure of the outer protective layer, the support layer, the barrier layer and the inner protective layer, thereby improving the sealing, freshness preservation and durability of the packaging box; through the provided observation port and the outer sealing layer and the inner sealing layer on both sides of the observation port, it is convenient for consumers to observe the use of oils and fats inside the packaging box at any time, thereby improving the user experience, and the design of the opaque and easy-to-tear film further protects the edible oil from being affected by light; through the provided connecting parts and the cover body, it is convenient for consumers to pour out the oils and fats, thereby improving the convenience of use, and the detachable sealing connection of the cover body also ensures the multiple uses and hygiene of the packaging box; the utility model solves many inconveniences in the use of traditional barreled edible oils, and also improves the user experience by optimizing the packaging design, which is in line with the modern society's pursuit of a healthy and environmentally friendly lifestyle.

[0045] It should be understood that the embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

Claims

1. A packaging box for edible oils and fats, comprising a box body (1) and a detachable cover (2), wherein a sealed space for containing oils and fats is formed between the box body (1) and the cover (2), and characterized in that: The box body (1) comprises an outer protective layer (3), a support layer (4), a barrier layer (5) and an inner protective layer (6) which are arranged in sequence from the outside to the inside. An observation port (7) is provided at the bottom of one side of the box body (1), and the outer side and inner side of the observation port (7) are respectively sealedly connected to a transparent outer sealing layer (8) and an inner sealing layer (9). A liquid outlet is provided at the top of the box body (1), and the outer side of the liquid outlet is sealedly connected to a connector (10), and the cover body (2) and the connector (10) are detachably sealed.

2. The packaging box for edible oils and fats according to claim 1, characterized in that: The outer protective layer (3) is made of PET film material, and the thickness of the outer protective layer (3) is set to 0.05mm-0.15mm.

3. The packaging box for edible oils and fats according to claim 2, characterized in that: The support layer (4) is made of food-grade corrugated cardboard or solid cardboard, and the thickness of the support layer (4) is set to 0.5 mm-1.5 mm.

4. The packaging box for edible oils and fats according to claim 3, characterized in that: The barrier layer (5) is provided with two layers, including an outer aluminum foil layer (11) and an inner EVOH film layer (12), wherein the thickness of the aluminum foil layer (11) is set to 0.01 mm-0.02 mm, and the thickness of the EVOH film layer (12) is set to 0.01 mm-0.03 mm.

5. The packaging box for edible oils and fats according to claim 4, characterized in that: The inner protective layer (6) is made of PE, LDPE or LLDPE, and the thickness of the inner protective layer (6) is set to 0.02mm-0.05mm.

6. The packaging box for edible oils and fats according to claim 1, characterized in that: The observation port (7) adopts a vertical long strip structure, and the outer sealing layer (8) and the inner sealing layer (9) can both cover the observation port (7), and the outer side of the outer sealing layer (8) is also provided with an opaque easy-to-tear film.

7. The packaging box for edible oils and fats according to claim 6, characterized in that: The outer sealing layer (8) and the inner sealing layer (9) are both made of PE or PP material, and the thickness of the outer sealing layer (8) and the inner sealing layer (9) are both set to 0.02 mm-0.03 mm.

8. The packaging box for edible oils and fats according to claim 1, characterized in that: The connecting member (10) comprises a pull plate (13) connected to the outside of the liquid outlet and a liquid outlet pipe (14) integrally formed on the upper surface of the pull plate (13); the liquid outlet pipe (14) and the pull plate (13) are both provided with through holes communicating with the interior of the box body (1); the liquid outlet pipe (14) is threadedly connected to the cover body (2).

9. The packaging box for edible oils and fats according to claim 8, characterized in that: One side of the pull plate (13) is provided with a warped edge (15) extending upward.

10. The packaging box for edible oils and fats according to claim 1, characterized in that: The volume of the box body (1) is 100mL-1000mL.

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