Plastic food packaging box
By adopting a double-layer structure of the inner box body and the inner box lid in the plastic food packaging box, combined with the locking mechanism and sealing strip, the problem of poor insulation and thermal insulation of existing packaging boxes is solved, and the double-layer insulation and high sealing of food is achieved, which improves the safety and convenience of food storage.
Patent Information
- Application Number
- CN202421973924.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-15
AI Technical Summary
The existing plastic food packaging boxes have poor thermal insulation, which affects food storage.
A plastic food packaging box is designed, adopting a double-layer structure of the inner box body and the inner box cover, combining a locking mechanism and a sealing strip to enhance the insulation and sealing properties of the packaging.
It realizes the double-layer insulation function of food, improves the firmness and sealing of food packaging, and is suitable for safe and convenient storage of food.
Smart Images

Figure CN222892443U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging boxes, in particular to a plastic food packaging box. Background Art
[0002] With the continuous improvement of living standards and the accelerated pace of life in modern society, the takeaway industry has been booming in various cities. During the delivery process, disposable plastic food packaging boxes are generally used to package food.
[0003] For example, a Chinese patent with a publication number of CN216233800U discloses a plastic food packaging box with a box holder, comprising a first frame and a bottom holder, wherein the bottom of the first frame is connected to a first plastic side plate, and both sides of the first plastic side plate are respectively connected to plastic connecting blocks, one end of the plastic connecting block is connected to a second frame, and the plastic connecting block and the second frame are welded, the bottom of the second frame is connected to a second plastic side plate, the bottom of the second plastic side plate is provided with a plastic bottom plate, and a movable flexible shaft is installed inside the plastic bottom plate, and the bottom holder is installed with one side of the movable flexible shaft;
[0004] The technical solution recorded in this proposal increases the beauty of the packaging box by the arc-shaped design of the first frame and the second frame, and also bends the original edges and corners around downward to make the packaging box safer and more reliable. However, when this solution is in use, it only has a single-layer box structure, resulting in poor thermal insulation, which affects food storage.
[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a plastic food packaging box is provided to achieve the purpose of having more practical value. Utility Model Content
[0006] In order to make up for the above deficiencies, the utility model provides a plastic food packaging box.
[0007] The utility model is achieved in this way:
[0008] A plastic food packaging box comprises an outer box body, an outer box cover is provided at the top of the outer box body, an inner box body is provided inside the outer box body, the outer size of the inner box body is smaller than the inner size of the outer box body, an inner box cover is provided inside the outer box cover, the outer size of the inner box cover is smaller than the inner size of the outer box cover, a first box eave is installed at the outer top end of the outer box body, a second box eave is installed at the outer bottom end of the outer box cover, locking mechanisms are installed on both sides of the first box eave, the locking mechanisms comprise a first slide rail, both ends of the first slide rail are slidably connected with a locking sleeve, the inner side of the locking sleeve is slidably connected with a second slide rail, and one side of the second slide rail is fixedly connected to the outer side of the second box eave.
[0009] Furthermore, first support blocks are installed at four corners of the bottom end of the inner box body, and the bottom end of the first support block is fixedly connected to the inner bottom end of the outer box body.
[0010] Furthermore, second support blocks are installed at four corners of the top end of the inner box cover, and the top end of the second support blocks is fixedly connected to the inner top end of the outer box cover.
[0011] The beneficial effect of adopting the above further solution is that the inner box cover is supported and fixed by installing second support blocks at the four corners of the top end of the inner box cover.
[0012] Furthermore, a sealing groove is provided at the top end of the first box eaves, a sealing strip is installed at the bottom end of the second box eaves, and the outer side of the sealing strip is plugged into the inner side of the sealing groove.
[0013] The beneficial effect of adopting the above further solution is that the sealing performance of the food package is improved by plugging the outer side of the sealing strip and the inner side of the sealing groove.
[0014] Furthermore, the outer side of the bottom end of the outer box body and the outer side of the top end of the outer box cover are both arc-shaped.
[0015] Furthermore, first limit plates are installed at both ends of the first slide rail, and a second limit plate is installed at one end of the second slide rail close to the first limit plate.
[0016] The beneficial effect of adopting the above further solution is that the movement limitation of the lock sleeve is achieved by setting the first limiting plate and the second limiting plate.
[0017] Furthermore, the second slide rail is provided with an arc edge at one end away from the first limiting plate.
[0018] The beneficial effect of adopting the above further solution is that, by providing an arc edge at the end of the second slide rail away from the first limiting plate, the sliding connection between the locking sleeve and the second slide rail is facilitated.
[0019] Furthermore, one side of the first slide rail and one side of the second slide rail are both provided with anti-slip textures.
[0020] The beneficial effects of the utility model are as follows: the plastic food packaging box obtained by the above design realizes the double-layer heat preservation and heat insulation function of food through the arrangement of the inner box body and the inner box cover, and realizes the locking of the outer box body and the outer box cover after being connected, so as to improve the firmness of the food packaging, and the first support blocks are installed at the four corners of the bottom end of the inner box body to realize the support and fixation of the inner box body, and the second support blocks are installed at the four corners of the top end of the inner box cover to realize the support and fixation of the inner box cover, and the sealing performance of the food packaging is improved by plugging the outer side of the sealing strip and the inner side of the sealing groove. The first limiting plate and the second limiting plate are arranged to realize the movement and limitation of the locking sleeve, and the second sliding rail is provided with an arc edge at the end away from the first limiting plate to facilitate the sliding connection of the locking sleeve and the second sliding rail, and the anti-skid texture is provided on one side of the first sliding rail and the one side of the second sliding rail to improve the anti-skid performance of the locking sleeve and prevent the lock sleeve from accidentally sliding. The utility model can effectively improve the heat preservation and heat insulation performance, is convenient for food storage, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0022] Figure 1 A three-dimensional structural schematic diagram of a plastic food packaging box provided by the utility model;
[0023] Figure 2 A schematic diagram of the three-dimensional structure of an outer box body of a plastic food packaging box provided by the utility model;
[0024] Figure 3 A schematic diagram of the three-dimensional structure of an outer box cover of a plastic food packaging box provided by the utility model;
[0025] Figure 4 A schematic diagram of the three-dimensional structure of an inner box body of a plastic food packaging box provided by the utility model;
[0026] Figure 5 The utility model is a schematic diagram of the three-dimensional structure of the inner box cover of a plastic food packaging box.
[0027] In the figure: 100, outer box body; 101, outer box cover; 102, first box eaves; 10201, sealing groove; 103, second box eaves; 10301, sealing strip; 104, locking mechanism; 10401, first slide rail; 10402, first limit plate; 10403, locking sleeve; 10404, second slide rail; 10405, second limit plate; 105, inner box body; 10501, first support block; 106, inner box cover; 10601, second support block. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.
[0030] Embodiment 1
[0031] The utility model provides the following technical solutions: Figure 1-Figure 5As shown, a plastic food packaging box comprises an outer box body 100, an outer box cover 101 is arranged at the top of the outer box body 100, an inner box body 105 is arranged inside the outer box body 100, the outer size of the inner box body 105 is smaller than the inner size of the outer box body 100, an inner box cover 106 is arranged inside the outer box cover 101, the outer size of the inner box cover 106 is smaller than the inner size of the outer box cover 101, a first box brim 102 is installed at the outer top of the outer box body 100, a second box brim 103 is installed at the outer bottom of the outer box cover 101, and locking mechanisms 104 are installed on both sides of the first box brim 102. The mechanism 104 includes a first slide rail 10401, both ends of which are slidably connected with a locking sleeve 10403, the inner side of the locking sleeve 10403 is slidably connected with a second slide rail 10404, one side of the second slide rail 10404 is fixedly connected to the outer side of the second box eaves 103, and the double-layer heat preservation and heat insulation function of the food is realized through the arrangement of the inner box body 105 and the inner box cover 106. The locking of the outer box body 100 and the outer box cover 101 after connection is realized by the arrangement of the first slide rail 10401, the locking sleeve 10403 and the second slide rail 10404, thereby improving the firmness of the food packaging.
[0032] Embodiment 2
[0033] Reference Figure 1-Figure 5 As shown, first support blocks 10501 are installed at the four corners of the bottom end of the inner box body 105, and the bottom end of the first support block 10501 is fixedly connected to the inner bottom end of the outer box body 100, and second support blocks 10601 are installed at the four corners of the top end of the inner box cover 106, and the top end of the second support block 10601 is fixedly connected to the inner top end of the outer box cover 101, and a sealing groove 10201 is provided at the top end of the first box eave 102, and a sealing strip 10301 is installed at the bottom end of the second box eave 103, and the sealing strip 10301 is provided at the bottom end of the second box eave 103. The outer side and the inner side of the sealing groove 10201 are plugged in, the outer side of the bottom end of the outer box body 100 and the outer side of the top end of the outer box cover 101 are both arc-shaped, and the first support blocks 10501 are installed at the four corners of the bottom end of the inner box body 105 to support and fix the inner box body 105, and the second support blocks 10601 are installed at the four corners of the top end of the inner box cover 106 to support and fix the inner box cover 106, and the outer side of the sealing strip 10301 is plugged in with the inner side of the sealing groove 10201 to improve the sealing of the food packaging.
[0034] Embodiment 3
[0035] Reference Figure 1-Figure 5As shown, first limit plates 10402 are installed at both ends of the first slide rail 10401, and a second limit plate 10405 is installed at the end of the second slide rail 10404 close to the first limit plate 10402, and the second slide rail 10404 is provided with an arc edge at the end away from the first limit plate 10402, and one side of the first slide rail 10401 and one side of the second slide rail 10404 are provided with anti-skid textures. Through the arrangement of the first limit plate 10402 and the second limit plate 10405, the movement limitation of the lock sleeve 10403 is realized, and the arc edge is provided at the end of the second slide rail 10404 away from the first limit plate 10402, which facilitates the sliding connection between the lock sleeve 10403 and the second slide rail 10404, and the anti-skid texture is provided on one side of the first slide rail 10401 and one side of the second slide rail 10404, so as to improve the anti-skid property of the lock sleeve 10403 and prevent the lock sleeve 10403 from sliding accidentally.
[0036] Specifically, the working principle of the plastic food packaging box is as follows: when in use, the inner box body 105 and the inner box cover 106 are provided to realize the double-layer heat preservation and heat insulation function of the food; the outer box body 100 and the outer box cover 101 are locked after being connected by the first slide rail 10401, the locking sleeve 10403 and the second slide rail 10404, so as to improve the firmness of the food packaging; the first support blocks 10501 are installed at the four corners of the bottom end of the inner box body 105 to support and fix the inner box body 105; the second support blocks 10601 are installed at the four corners of the top end of the inner box cover 106 to support and fix the inner box cover 106; the outer side of the sealing strip 10301 and the sealing strip 10303 are connected to each other; The inner side of the sealing groove 10201 is plugged in to improve the sealing of the food packaging. The movement and limitation of the lock sleeve 10403 are achieved by setting the first limiting plate 10402 and the second limiting plate 10405. The second slide rail 10404 is provided with an arc edge at the end away from the first limiting plate 10402 to facilitate the sliding connection between the lock sleeve 10403 and the second slide rail 10404. Anti-slip textures are provided on one side of the first slide rail 10401 and one side of the second slide rail 10404 to improve the anti-slip property of the lock sleeve 10403 and prevent the lock sleeve 10403 from sliding accidentally. The utility model can effectively improve thermal insulation, facilitate food storage, and has high practical value.
[0037] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A plastic food packaging box, characterized in that: The invention comprises an outer box body (100), an outer box cover (101) is provided at the top end of the outer box body (100), an inner box body (105) is provided inside the outer box body (100), the outer dimensions of the inner box body (105) are smaller than the inner dimensions of the outer box body (100), an inner box cover (106) is provided inside the outer box cover (101), the outer dimensions of the inner box cover (106) are smaller than the inner dimensions of the outer box cover (101), a first box eave (102) is installed at the outer top end of the outer box body (100), and the A second box eave (103) is installed at the outer bottom end of the outer box cover (101), and locking mechanisms (104) are installed on both sides of the first box eave (102). The locking mechanisms (104) include a first slide rail (10401), both ends of the first slide rail (10401) are slidably connected to locking sleeves (10403), the inner side of the locking sleeve (10403) is slidably connected to the second slide rail (10404), and one side of the second slide rail (10404) is fixedly connected to the outer side of the second box eave (103).
2. A plastic food packaging box according to claim 1, characterized in that: First support blocks (10501) are installed at four corners of the bottom end of the inner box body (105), and the bottom end of the first support block (10501) is fixedly connected to the inner bottom end of the outer box body (100).
3. A plastic food packaging box according to claim 1, characterized in that: Second support blocks (10601) are installed at the four corners of the top end of the inner box cover (106), and the top end of the second support block (10601) is fixedly connected to the inner top end of the outer box cover (101).
4. A plastic food packaging box according to claim 1, characterized in that: A sealing groove (10201) is provided at the top end of the first box eave (102), a sealing strip (10301) is installed at the bottom end of the second box eave (103), and the outer side of the sealing strip (10301) is plugged into the inner side of the sealing groove (10201).
5. A plastic food packaging box according to claim 1, characterized in that: The outer side of the bottom end of the outer box body (100) and the outer side of the top end of the outer box cover (101) are both in an arc shape.
6. A plastic food packaging box according to claim 1, characterized in that: Both ends of the first slide rail (10401) are installed with a first limit plate (10402), and the second slide rail (10404) is installed with a second limit plate (10405) at one end close to the first limit plate (10402).
7. A plastic food packaging box according to claim 6, characterized in that: The second slide rail (10404) is provided with an arc edge at one end away from the first limiting plate (10402).
8. A plastic food packaging box according to claim 1, characterized in that: One side of the first slide rail (10401) and one side of the second slide rail (10404) are both provided with anti-slip textures.
Citation Information
Patent Citations
Plastic food packaging box with box support
CN216233800U