Liquid food packaging bottle

By designing a threaded groove structure for the inner and outer bottle bodies and sealing cap assembly, the problem of existing packaging bottles being unable to preserve multiple foods simultaneously is solved, enabling convenient seasoning functions and meeting diverse taste needs.

CN224278222UActive Publication Date: 2026-05-26GUIZHOU WANYE PACKAGING
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUIZHOU WANYE PACKAGING
Filing Date
2025-07-31
Publication Date
2026-05-26

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Abstract

The utility model relates to the technical field of food packaging bottles, and discloses a liquid food packaging bottle which comprises a packaging bottle assembly, a sealing cover assembly is installed at the top of the packaging bottle assembly, the packaging bottle assembly comprises an outer bottle body, an inner bottle body is fixedly connected to the inner side of the outer bottle body, a first round corner is arranged at the bottom of the inner bottle body, and a second round corner is arranged at the bottom of the inner bottle body. The bottom of the outer bottle body is provided with a second fillet, the top of the inner bottle body is provided with a first arc-shaped groove, and the bottom of the first arc-shaped groove is provided with a second arc-shaped groove; in the food storage process, food needing to be packaged is placed on the inner side of the inner bottle body, then the sealing cover assembly is rotated anticlockwise till the sealing cover assembly cannot rotate, and then the food can be packaged, so that a user can conveniently store the food in the food storage process. Seasoning in the sealing cover assembly can be poured into food in the packaging bottle assembly according to personal taste requirements, and therefore an eater can conveniently adjust the taste of the food according to personal taste.
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Description

Technical Field

[0001] This utility model relates to the field of food packaging bottle technology, and more specifically to a liquid food packaging bottle. Background Technology

[0002] With the rise of the plastics industry, PET bottles have rapidly captured the market due to their lightweight, impact resistance, and recyclability, becoming the mainstream packaging for carbonated beverages and mineral water. Meanwhile, aluminum cans, with their corrosion resistance and good light-blocking properties, are widely used in the beer and carbonated beverage sectors. In recent years, with increasing environmental awareness, food packaging bottle technology has evolved towards lightweighting and sustainability, with innovative technologies such as plant-based plastic bottles, label-free bottles, and edible packaging constantly emerging, driving the industry towards a green and low-carbon transformation.

[0003] Existing food packaging bottles can only preserve a single type of food, making it difficult to preserve two items. However, in the current food packaging process, it is often necessary to package seasonings separately to satisfy the taste preferences of more people. Therefore, existing food packaging bottles are not convenient for packaging multiple types of food. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a liquid food packaging bottle to solve the problems existing in the background art.

[0005] This utility model provides the following technical solution: a liquid food packaging bottle, including a packaging bottle assembly, a sealing cap assembly installed on the top of the packaging bottle assembly, the packaging bottle assembly including an outer bottle body, an inner bottle body fixedly connected to the inner side of the outer bottle body, a first rounded corner at the bottom of the inner bottle body, a second rounded corner at the bottom of the outer bottle body, a first arc-shaped groove at the top of the inner bottle body, and a second arc-shaped groove at the bottom of the first arc-shaped groove.

[0006] Furthermore, the sealing cover assembly includes a positioning circular plate, a storage cylinder is fixedly connected to the bottom of the positioning circular plate, an arc-shaped locking block is fixedly connected to the outside of the storage cylinder, a sealing top cover is installed on the top of the positioning circular plate, a sealing column is fixedly connected to the bottom of the sealing top cover, and a third rounded corner is provided on the outer side of the top of the sealing top cover.

[0007] Furthermore, the diameter of the inner side of the outer bottle and the diameter of the outer side of the inner bottle are fitted with a clearance, and the depth of the inner side of the outer bottle is the same as the height of the inner bottle.

[0008] Furthermore, the outer diameter of the storage cylinder is clearance-fitted with the inner diameter of the inner bottle, the included angle between the two sides of the arc-shaped locking block is the same as the included angle between the two sides of the first arc-shaped groove, the depth of the second arc-shaped groove and the height of the arc-shaped locking block are clearance-fitted, and the inner and outer diameters of the arc-shaped locking block are clearance-fitted with the inner and outer diameters of the inner bottle.

[0009] Furthermore, the top of the positioning plate has a circular hole, and the diameter of the circular hole at the top of the positioning plate is clearance-fitted with the diameter of the inner side of the storage cylinder. The top of the inner side of the positioning plate has a thread, and the outer side of the sealing column has a thread. The thread on the inner side of the positioning plate and the thread on the outer side of the sealing column are mutually engaged.

[0010] Furthermore, the distance between the top of the arc-shaped card block and the bottom of the positioning circular plate is the same as the depth of the first arc-shaped groove, and the diameter of the top of the positioning circular plate is the same as the diameter of the bottom of the sealing top cover.

[0011] The technical effects and advantages of this utility model are as follows:

[0012] In the process of food storage, this utility model places the food to be packaged inside the inner bottle, then places the seasonings inside the storage cylinder. The seasonings are packaged by the interlocking of the threads on the outer side of the sealing post and the inner side of the positioning plate. The arc-shaped locking block is then aligned with the first arc-shaped groove and pushed into the second arc-shaped groove until the bottom of the arc-shaped locking block contacts the bottom of the second arc-shaped groove. The sealing cap assembly is then rotated counterclockwise until it can no longer be rotated, thus completing the food packaging. This allows users to pour the seasonings from inside the sealing cap assembly into the food inside the packaging bottle according to their personal taste, making it convenient for consumers to adjust the taste of the food according to their own preferences. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the overall installation structure of this utility model.

[0015] Figure 3 This is a schematic diagram of the packaging bottle assembly structure of this utility model.

[0016] Figure 4 This is a schematic diagram of the sealing cap assembly structure of this utility model.

[0017] The attached figures are labeled as follows: 1. Packaging bottle assembly; 101. Outer bottle body; 102. Inner bottle body; 103. First rounded corner; 104. Second rounded corner; 105. First arc-shaped groove; 106. Second arc-shaped groove; 2. Sealing cap assembly; 201. Positioning circular plate; 202. Storage cylinder; 203. Arc-shaped locking block; 204. Sealing top cap; 205. Sealing post; 206. Third rounded corner. Detailed Implementation

[0018] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The liquid food packaging bottle involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0019] Reference Figures 1 to 4 This utility model provides a liquid food packaging bottle, including a packaging bottle assembly 1, a sealing cap assembly 2 installed on the top of the packaging bottle assembly 1, the packaging bottle assembly 1 including an outer bottle body 101, an inner bottle body 102 fixedly connected to the inner side of the outer bottle body 101, a first rounded corner 103 opened at the bottom of the inner bottle body 102, a second rounded corner 104 opened at the bottom of the outer bottle body 101, a first arc-shaped groove 105 opened at the top of the inner bottle body 102, and a second arc-shaped groove 106 opened at the bottom of the first arc-shaped groove 105.

[0020] In a preferred embodiment, the sealing cap assembly 2 includes a positioning circular plate 201, a storage cylinder 202 fixedly connected to the bottom of the positioning circular plate 201, an arc-shaped locking block 203 fixedly connected to the outer side of the storage cylinder 202, a sealing top cover 204 mounted on the top of the positioning circular plate 201, a sealing post 205 fixedly connected to the bottom of the sealing top cover 204, and a third rounded corner 206 formed on the outer side of the top of the sealing top cover 204. During food storage, the food to be packaged is placed inside the inner bottle 102, then the seasonings are placed inside the storage cylinder 202, and then the sealing post 205 is connected to the inner bottle 102 via its outer thread. The threads on the inner side of the positioning round plate 201 engage with each other to package the seasoning. Then, the arc-shaped locking block 203 is aligned with the first arc-shaped groove 105 and pushed into the second arc-shaped groove 106 until the bottom of the arc-shaped locking block 203 contacts the bottom of the second arc-shaped groove 106. Then, the sealing cap assembly 2 is rotated counterclockwise until it can no longer rotate, thus completing the food packaging. This allows users to pour the seasoning inside the sealing cap assembly 2 into the food inside the packaging bottle assembly 1 according to their personal taste, making it convenient for consumers to adjust the taste of the food according to their own preferences.

[0021] In a preferred embodiment, there is a clearance fit between the inner diameter of the outer bottle 101 and the outer diameter of the inner bottle 102, and the depth of the inner side of the outer bottle 101 is the same as the height of the inner bottle 102.

[0022] In a preferred embodiment, the outer diameter of the storage cylinder 202 is clearance-fitted with the inner diameter of the inner bottle 102, the included angle between the two sides of the arc-shaped locking block 203 is the same as the included angle between the two sides of the first arc-shaped groove 105, the depth of the second arc-shaped groove 106 is clearance-fitted with the height of the arc-shaped locking block 203, and the inner and outer diameters of the arc-shaped locking block 203 are clearance-fitted with the inner and outer diameters of the inner bottle 102.

[0023] In a preferred embodiment, the top of the positioning circular plate 201 is provided with a circular hole, the diameter of the circular hole at the top of the positioning circular plate 201 is clearance-fitted with the diameter of the inner side of the storage cylinder 202, the top of the inner side of the positioning circular plate 201 is provided with a thread, the outer side of the sealing column 205 is provided with a thread, and the thread on the inner side of the positioning circular plate 201 and the thread on the outer side of the sealing column 205 are mutually engaged.

[0024] In a preferred embodiment, the distance between the top of the arc-shaped locking block 203 and the bottom of the positioning circular plate 201 is the same as the depth of the first arc-shaped groove 105, and the diameter of the top of the positioning circular plate 201 is the same as the diameter of the bottom of the sealing top cover 204.

[0025] The working principle of this utility model is as follows: During food storage, the food to be packaged is placed inside the inner bottle 102, and then the seasonings are placed inside the storage cylinder 202. The seasonings are packaged by the interplay between the threads on the outer side of the sealing post 205 and the threads on the inner side of the positioning round plate 201. Then, the arc-shaped locking block 203 is aligned with the first arc-shaped groove 105 and pushed into the second arc-shaped groove 106 until the bottom of the arc-shaped locking block 203 contacts the bottom of the second arc-shaped groove 106. Then, the sealing cap assembly 2 is rotated counterclockwise until it can no longer be rotated, thus completing the food packaging. This allows the user to pour the seasonings inside the sealing cap assembly 2 into the food inside the packaging bottle assembly 1 according to their personal taste, making it convenient for the user to adjust the taste of the food according to their own preferences.

[0026] In conclusion, the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A liquid food packaging bottle comprising a packaging bottle assembly (1), characterized in that: The top of the packaging bottle assembly (1) is equipped with a sealing cap assembly (2). The packaging bottle assembly (1) includes an outer bottle body (101). An inner bottle body (102) is fixedly connected to the inner side of the outer bottle body (101). The bottom of the inner bottle body (102) is provided with a first rounded corner (103). The bottom of the outer bottle body (101) is provided with a second rounded corner (104). The top of the inner bottle body (102) is provided with a first arc-shaped groove (105). The bottom of the first arc-shaped groove (105) is provided with a second arc-shaped groove (106).

2. A liquid food packaging bottle according to claim 1, characterized in that: The sealing cover assembly (2) includes a positioning circular plate (201), a storage cylinder (202) is fixedly connected to the bottom of the positioning circular plate (201), an arc-shaped locking block (203) is fixedly connected to the outside of the storage cylinder (202), a sealing top cover (204) is installed on the top of the positioning circular plate (201), a sealing column (205) is fixedly connected to the bottom of the sealing top cover (204), and a third rounded corner (206) is provided on the outer side of the top of the sealing top cover (204).

3. A liquid food packaging bottle according to claim 2, characterized in that: The diameter of the inner side of the outer bottle (101) and the diameter of the outer side of the inner bottle (102) are fitted with a clearance, and the depth of the inner side of the outer bottle (101) and the height of the inner bottle (102) are the same.

4. A liquid food packaging bottle according to claim 2, wherein: The outer diameter of the storage cylinder (202) is clearance-fitted with the inner diameter of the inner bottle (102). The included angle between the two sides of the arc-shaped locking block (203) is the same as the included angle between the two sides of the first arc-shaped groove (105). The depth of the second arc-shaped groove (106) and the height of the arc-shaped locking block (203) are clearance-fitted. The inner and outer diameters of the arc-shaped locking block (203) are clearance-fitted with the inner and outer diameters of the inner bottle (102).

5. A liquid food packaging bottle according to claim 2, characterized in that: The top of the positioning circular plate (201) has a circular hole, and the diameter of the circular hole at the top of the positioning circular plate (201) is clearance-fitted with the diameter of the inner side of the storage cylinder (202). The top of the inner side of the positioning circular plate (201) has a thread, and the outer side of the sealing column (205) has a thread. The thread on the inner side of the positioning circular plate (201) and the thread on the outer side of the sealing column (205) are mutually engaged.

6. A liquid food packaging bottle according to claim 2, characterized in that: The distance between the top of the arc-shaped card block (203) and the bottom of the positioning circular plate (201) is the same as the depth of the first arc-shaped groove (105), and the diameter of the top of the positioning circular plate (201) is the same as the diameter of the bottom of the sealing top cover (204).