Food packaging box

Abstract

The utility model discloses a food packaging box, and relates to the technical field of packaging. The food packaging box comprises a foam heat preservation box, a foam heat preservation cover, a tensioning structure and a locking structure, four sets of anti-abrasion cushion blocks distributed in a rectangular shape are fixedly installed at the bottom of the foam heat preservation box, a groove shaped like a Chinese character'hui 'is formed in the top of the foam heat preservation box, and the foam heat preservation cover is arranged at the top of the foam heat preservation box; a hollow-square-shaped convex ring is fixedly installed at the bottom of the foam heat preservation cover, the hollow-square-shaped convex ring is inserted into the hollow-square-shaped groove, the tensioning structure is arranged on the foam heat preservation box and the foam heat preservation cover and comprises an elastic band, a hook and a connecting block, a clamping block is fixedly installed on the inner wall of the elastic band, and the locking structure is arranged on the anti-abrasion cushion block and the clamping block. According to the food packaging box, the foam heat preservation cover can be mounted without adhesive tape for bonding connection, the convenience of mounting and dismounting is improved, damage to the packaging box due to the fact that the adhesive tape needs to be cut and separated after being bonded is reduced, and the service life of the packaging box is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging, in particular to a food packaging box. Background Art

[0002] As the name suggests, a packaging box is a box used to package products. It can be classified by material into paper boxes, iron boxes, wooden boxes, cloth boxes, leather boxes, acrylic boxes, corrugated packaging boxes and PVC boxes, etc. Some cold and fresh foods will be placed in foam insulation boxes for transportation and processing. However, some existing foam insulation boxes need to be bonded with tape during installation and sealing, which not only makes the installation cumbersome, but also easily causes damage to the foam insulation box if a knife is used to cut the tape during subsequent disassembly. Therefore, it can be improved. Utility Model Content

[0003] The purpose of the utility model is to provide a food packaging box that can solve the problem that some foam insulation boxes need to be glued with tape during installation and sealing, which not only makes the installation cumbersome, but also easily causes damage to the foam insulation box if a knife is used to cut the tape during subsequent disassembly.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a food packaging box, comprising a foam insulation box, a foam insulation cover, a tensioning structure and a locking structure, the bottom of the foam insulation box is fixedly installed with four groups of anti-wear pads distributed in a rectangular shape, the top of the foam insulation box is provided with a circular groove, the foam insulation cover is arranged on the top of the foam insulation box, the bottom of the foam insulation cover is fixedly installed with a circular convex ring, the circular convex ring is inserted into the circular groove, the tensioning structure is arranged on the foam insulation box and the foam insulation cover, the tensioning structure includes an elastic band, a hook and a connecting block, the inner wall of the elastic band is fixedly installed with a card block and a locking structure arranged on the anti-wear pad and the card block, and the locking structure is used to position the card block.

[0005] Preferably, a positioning opening is provided on the top of the foam insulation cover, and the anti-wear pad is located directly below the positioning opening.

[0006] Preferably, the foam insulation cover is provided with a sloped opening, which is communicated with the positioning opening, so that the anti-wear pad can be easily inserted into the positioning opening.

[0007] Preferably, U-shaped rods are fixedly installed on the front, back and both sides of the foam insulation cover, one end of the elastic band is fixedly connected to the hook, the hook is sleeved on the outer wall of the U-shaped rod, and the other end of the elastic band is fixedly connected to the connecting block.

[0008] Preferably, a card interface is provided on the outer wall of the anti-wear pad, the card block is inserted into the card interface, and a positioning hole is provided on the outer wall of the card block.

[0009] Preferably, a sealing gasket is provided on the foam insulation box, which is fixedly installed on the inner wall of the circular groove and contacts the outer wall of the circular convex ring, so that the foam insulation cover and the foam insulation box have better sealing performance.

[0010] Preferably, the locking structure includes a slider, a positioning column, a spring, a pull rod and a pull ring. A rectangular groove and a cylindrical opening are provided on the anti-wear pad. The slider is slidably installed in the rectangular groove. The positioning column is fixedly connected to the slider. One end of the positioning column passes through the anti-wear pad and is inserted into the positioning hole. The spring is fixedly installed between the slider and the inner wall of the rectangular groove. One end of the pull rod is fixedly connected to the slider, and the other end of the pull rod extends into the cylindrical opening and is fixedly connected to the pull ring.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The food packaging box, through the coordinated use of the anti-wear pad, the return convex ring, the sealing gasket, the elastic band, the hook, the connecting block, the clamping block, the slider, the positioning column, the spring, the pull rod, the pull ring and the U-shaped rod, can install the foam insulation cover without the need for adhesive connection with the aid of adhesive tape, thereby improving the convenience of installation and disassembly, reducing the damage to the packaging box itself caused by the need to cut and separate the adhesive tape after bonding, and extending the service life of the packaging box. Moreover, after the foam insulation cover is installed, it has good sealing performance and is not prone to air leakage, thereby ensuring the preservation effect of the cold fresh food therein. At the same time, the packaging box is also convenient for stacking and use, thereby enhancing the practicality of the packaging box. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a right side cutaway perspective view of the present invention;

[0016] Figure 3 This is a three-dimensional diagram of the foam insulation cover of the utility model;

[0017] Figure 4 This is a three-dimensional diagram of the anti-wear pad of the utility model;

[0018] Figure 5 It is a three-dimensional diagram of the locking structure of the utility model.

[0019] Figure numerals: 1. Foam insulation box; 2. Foam insulation cover; 3. Anti-wear pad; 4. Ring; 5. Sealing pad; 6. Tensioning structure; 61. Elastic band; 62. Hook; 63. Connecting block; 7. Block; 8. Locking structure; 81. Slider; 82. Positioning column; 83. Spring; 84. Pull rod; 85. Pull ring; 9. U-shaped rod. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0021] See also Figure 1-5 The utility model provides a technical solution: a food packaging box, comprising a foam insulation box 1, a foam insulation cover 2, a tensioning structure 6 and a locking structure 8. Four groups of anti-wear pads 3 distributed in a rectangular shape are fixedly installed on the bottom of the foam insulation box 1. A circular groove is opened on the top of the foam insulation box 1. The foam insulation cover 2 is arranged on the top of the foam insulation box 1. A circular convex ring 4 is fixedly installed on the bottom of the foam insulation cover 2. The circular convex ring 4 is inserted into the circular groove. The tensioning structure 6 is arranged on the foam insulation box 1 and the foam insulation cover 2. The tensioning structure 6 includes an elastic band 61, a hook 62 and a connecting block 63. The inner wall of the elastic band 61 is fixedly mounted with a card block 7 and a locking structure 8. It is arranged on the anti-wear pad 3 and the card block 7. The locking structure 8 is used to position the card block 7.

[0022] A positioning hole is provided on the top of the foam insulation cover 2, and the anti-wear pad 3 is located directly below the positioning hole. A sloped hole is provided on the foam insulation cover 2, and the sloped hole is connected to the positioning hole. A card interface is provided on the outer wall of the anti-wear pad 3, and the card block 7 is inserted into the card interface. A positioning hole is provided on the outer wall of the card block 7. A sealing gasket 5 is provided on the foam insulation box 1, and the sealing gasket 5 is fixedly installed on the inner wall of the circular groove. The sealing gasket 5 is in contact with the outer wall of the circular convex ring 4.

[0023] The front and back sides and both sides of the foam insulation cover 2 are fixedly installed with a U-shaped rod 9, one end of the elastic band 61 is fixedly connected to the hook 62, the hook 62 is sleeved on the outer wall of the U-shaped rod 9, and the other end of the elastic band 61 is fixedly connected to the connecting block 63, the locking structure 8 includes a slider 81, a positioning column 82, a spring 83, a pull rod 84 and a pull ring 85, a rectangular groove and a cylindrical mouth are provided on the anti-wear pad 3, the slider 81 is slidably installed in the rectangular groove, the positioning column 82 is fixedly connected to the slider 81, one end of the positioning column 82 passes through the anti-wear pad 3 and is inserted into the positioning hole, the spring 83 is fixedly installed between the slider 81 and the inner wall of the rectangular groove, one end of the pull rod 84 is fixedly connected to the slider 81, and the other end of the pull rod 84 It extends into the cylindrical mouth and is fixedly connected to the pull ring 85. The hand-held hook 62 is pulled upward and separated from the U-shaped rod 9. The food is then placed in the foam insulation cover 2. The elastic band 61 is pulled to stretch and the hook 62 is put on the U-shaped rod 9 to complete the fixation. The foam insulation cover 2 can be installed without the help of tape for bonding, which improves the convenience of installation and disassembly, reduces the damage to the packaging box itself caused by cutting and separating the tape after bonding, and extends the service life of the packaging box. After installation, the foam insulation cover 2 has good sealing performance and is not prone to air leakage, thereby ensuring the preservation effect of the cold and fresh food therein. At the same time, the packaging box is also convenient for stacking and use, which enhances the practicality of the packaging box.

[0024] Working principle: Pull the hand-held hook 62 upward and separate it from the U-shaped rod 9, then place the food in the foam insulation cover 2, then pull the elastic band 61 to stretch it and put the hook 62 on the U-shaped rod 9 to complete the fixation.

[0025] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A food packaging box, characterized in that: include: A foam insulation box (1) has four groups of anti-wear pads (3) arranged in a rectangular shape fixedly mounted on its bottom, and a circular groove is provided on the top of the foam insulation box (1); A foam insulation cover (2) is arranged on the top of the foam insulation box (1); a circular convex ring (4) is fixedly installed on the bottom of the foam insulation cover (2); and the circular convex ring (4) is inserted into the circular groove; A tensioning structure (6) is provided on the foam insulation box (1) and the foam insulation cover (2), the tensioning structure (6) comprising an elastic band (61), a hook (62) and a connecting block (63), and a clamping block (7) is fixedly mounted on the inner wall of the elastic band (61); A locking structure (8) is provided on the anti-wear pad (3) and the clamping block (7), and the locking structure (8) is used to position the clamping block (7).

2. A food packaging box according to claim 1, characterized in that: A positioning opening is provided on the top of the foam insulation cover (2), and the anti-wear pad (3) is located directly below the positioning opening.

3. A food packaging box according to claim 2, characterized in that: The foam insulation cover (2) is provided with a sloped opening, which is communicated with the positioning opening.

4. A food packaging box according to claim 3, characterized in that: The front, rear and both sides of the foam insulation cover (2) are fixedly mounted with U-shaped rods (9); one end of an elastic band (61) is fixedly connected to a hook (62); the hook (62) is sleeved on the outer wall of the U-shaped rod (9); and the other end of the elastic band (61) is fixedly connected to a connecting block (63).

5. A food packaging box according to claim 4, characterized in that: The outer wall of the anti-wear pad (3) is provided with a card interface, the card block (7) is inserted into the card interface, and the outer wall of the card block (7) is provided with a positioning hole.

6. A food packaging box according to claim 5, characterized in that: The foam insulation box (1) is provided with a sealing gasket (5), which is fixedly mounted on the inner wall of the circular groove, and the sealing gasket (5) is in contact with the outer wall of the circular convex ring (4).

7. A food packaging box according to claim 6, characterized in that: The locking structure (8) includes a slider (81), a positioning column (82), a spring (83), a pull rod (84) and a pull ring (85). The anti-wear pad (3) is provided with a rectangular groove and a cylindrical opening. The slider (81) is slidably installed in the rectangular groove. The positioning column (82) is fixedly connected to the slider (81). One end of the positioning column (82) passes through the anti-wear pad (3) and is inserted into the positioning hole. The spring (83) is fixedly installed between the slider (81) and the inner wall of the rectangular groove. One end of the pull rod (84) is fixedly connected to the slider (81). The other end of the pull rod (84) extends into the cylindrical opening and is fixedly connected to the pull ring (85).

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