Compression-resistant BOPS (Biaxially Oriented Polystyrene) food packaging box
By designing vents and closure components on the packaging box lid, the problem of pressure imbalance between the inside and outside of traditional BOPS material packaging boxes is solved, enhancing pressure resistance and convenience, and ensuring food safety.
Patent Information
- Application Number
- CN202520230105.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Traditional BOPS packaging boxes lack ventilation holes, resulting in an imbalance of pressure inside and outside the box, making them difficult to open and prone to damage due to poor pressure resistance.
Ventilation holes are designed on the packaging box lid and equipped with a closure component. Air circulation is achieved through a sliding closure plate, and structural strength is enhanced by reinforcing ribs.
It achieves pressure balance inside and outside the packaging box, making it easy to open, improving pressure resistance and ease of use, and protecting food safety.
Smart Images

Figure CN223673258U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to food packaging box technical field especially relates to a kind of BOPS material food packaging box of pressure resistance. BACKGROUND
[0002] Food packaging is the component of food commodity, and is one of the main engineering in food industry process, it protects food, so that food is in the flow process from factory to consumer's hand, prevents the damage of biological, chemical, physical external factors, it can also have the function of maintaining food itself stable quality. The existing BOPS material has excellent physical performance and chemical stability, and is widely used in food, medicine, electronics and other industries packaging materials.
[0003] However, the traditional BOPS packaging box often leads to the imbalance of pressure environment inside and outside the packaging box due to the lack of air hole design, the packaging box cover is adsorbed more closely under the action of pressure, which is not conducive to the opening of the packaging box cover, and in the transportation process, when the top of the packaging box is extruded by other articles or packaging boxes, the weak pressure resistance of the packaging box is easy to cause the damage of the food packaging box. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art, and provides a kind of BOPS material food packaging box of pressure resistance, which realizes the free circulation of air by the design of air hole, to facilitate the opening of the packaging box cover, in addition, first reinforcing rib and second reinforcing rib are additionally provided, and the packaging box body and box cover are reinforced respectively, to improve the pressure resistance of the packaging box.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] A kind of BOPS material food packaging box of pressure resistance, including packaging box body, the upper end side wall of the packaging box body is fixedly installed with extension plate, for the lifting or handling of packaging box body, the upper end of the packaging box body is clamped with packaging box cover;
[0007] The side wall of the packaging box body is fixedly installed with a plurality of first reinforcing ribs at equal intervals, and the upper end of the packaging box cover is fixedly installed with a plurality of second reinforcing ribs at equal intervals;
[0008] The upper end of the packaging box cover is provided with air hole for ventilation, and the upper end of the packaging box cover is provided with closing assembly for closing air hole.
[0009] Preferably, the lower end of the packaging box body is fixedly installed with base, and the upper end of the packaging box cover is symmetrically provided with two clamping grooves matched with the base.
[0010] Preferably, the closing assembly comprises a groove formed on the upper end of the cover of the packaging box, the air vent is located inside the groove, and the closing plate is slidably connected to the inside of the groove.
[0011] Preferably, a sliding groove is formed on the inner side of the groove, a sliding block is slidably connected to the inside of the sliding groove, the sliding block and the sliding groove are elastically connected by a spring, and the sliding block is fixedly connected to the closing plate.
[0012] Preferably, a plurality of anti-skid teeth are fixedly installed at equal intervals on the upper end of the closing plate.
[0013] Preferably, the height of the base is less than the depth of the clamping groove, and a buffer pad is fixedly installed at the lower end of the base.
[0014] The packaging box has the following beneficial effects:
[0015] 1. The clamping technology is used between the packaging box body and the packaging box cover to ensure that the two are tightly combined, thereby forming a sealed and safe packaging environment. At the same time, the base and the buffer pad below it not only provide stable support for the entire packaging box, but also effectively resist external impact forces, ensuring the safety of the food in the packaging.
[0016] 2. In order to prevent potential problems caused by pressure differences, an air vent is ingeniously arranged, when the user increases the air exchange between the inside and outside of the packaging box, the air vent can be easily opened by simply sliding the closing plate, realizing the free circulation of air, and vice versa, only need to loosen the closing plate. At this time, the elastic force of the spring will automatically push the closing plate to tightly adhere to the air vent, achieving the purpose of closing. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 A structural diagram of a pressure-resistant BOPS material food packaging box is provided for the utility model;
[0018] Fig. 2 A side view schematic diagram of a pressure-resistant BOPS material food packaging box is provided for the utility model;
[0019] Fig. 3 A bottom view schematic diagram of a pressure-resistant BOPS material food packaging box is provided for the utility model.
[0020] In the drawing: 1 packaging box body, 2 first reinforcing rib, 3 base, 4 extension edge, 5 packaging box cover, 6 clamping groove, 7 second reinforcing rib, 8 spring, 9 groove, 10 sliding block, 11 air vent, 12 sliding groove, 13 closing plate, 14 anti-skid tooth. DETAILED DESCRIPTION
[0021] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments.
[0022] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.
[0023] Refer to Figs. 1-3 A kind of BOPS material food packaging box of pressure resistance, including packaging box body 1, as main packaging container, it is made of BOPS material of pressure resistance, ensure that packaging box can resist external pressure in the process of transportation and storage, protect internal food from being damaged, the upper end side wall of packaging box body 1 is fixedly installed with extension plate, it is convenient for user to promote or carry packaging box, improve the convenience of use, the upper end of packaging box body 1 is clamped with packaging box cover 5;
[0024] The lower end of packaging box body 1 is fixedly installed with base 3, the upper end of packaging box cover 5 is symmetrically provided with two clamping grooves 6 matched with base 3, the height of base 3 is less than the depth of clamping groove 6, so that multiple packaging boxes can be tightly and stably stacked together, not only save storage space, but also improve the efficiency of logistics transportation, the lower end of base 3 is fixedly installed with buffer pad, further enhance the impact resistance of packaging box, also play the effect of antiskid;
[0025] The side wall of packaging box body 1 is fixedly installed with a plurality of first reinforcing ribs 2 at equal intervals, the upper end of packaging box cover 5 is fixedly installed with a plurality of second reinforcing ribs 7 at equal intervals, to enhance the overall strength and stability of the packaging box;
[0026] The upper end of packaging box cover 5 is provided with a vent hole 11 for ventilation, for keeping the air circulation inside the packaging box, so that the pressure environment inside and outside is consistent, to avoid the packaging box from bulging and protruding, the upper end of packaging box cover 5 is provided with a closing assembly for closing the vent hole 11, the closing assembly includes a groove 9 opened in the upper end of packaging box cover 5, the vent hole 11 is located inside the groove 9, a closing plate 13 is slidably connected inside the groove 9, a plurality of anti-skid teeth 14 are fixedly installed at equal intervals on the upper end of closing plate 13, a sliding groove 12 is opened on the inner side of groove 9, a sliding block 10 is slidably connected inside the sliding groove 12, the sliding block 10 and the sliding groove 12 are elastically connected by a spring 8, and the sliding block 10 is fixedly connected with the closing plate 13.
[0027] Working principle:
[0028] In normal use, the packaging box body 1 and the packaging box cover 5 are tightly connected by clamping, forming a sealed packaging space, the base 3 and the buffer pad provide stable support and impact resistance, when it is necessary to maintain the air circulation inside the packaging box to avoid pressure difference, the user can open the air hole 11 by sliding the closing plate 13, when it is necessary to close the air hole 11, loosen the closing plate 13, and use the elastic force of the spring 8 to keep the closing plate 13 tightly closed, preventing external air or pollutants from entering the packaging box.
[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A pressure-resistant BOPS material food packaging box, characterized in that: Including the packing box body (1), the upper end wall of the packing box body (1) is fixedly installed with an extension plate, which is used for lifting or carrying the packing box body (1), and the upper end of the packing box body (1) is connected with a packing box cover (5); The side wall of the packing box body (1) is fixedly installed with a plurality of first reinforcing ribs (2) at equal intervals, and the upper end of the packing box cover (5) is fixedly installed with a plurality of second reinforcing ribs (7) at equal intervals; The upper end of the packing box cover (5) is provided with a ventilation hole (11) for ventilation, and the upper end of the packing box cover (5) is provided with a closing assembly for closing the ventilation hole (11).
2. The pressure-resistant BOPS material food packaging box according to claim 1, characterized in that, The lower end of the packing box body (1) is fixedly installed with a base (3), and the upper end of the packing box cover (5) is symmetrically provided with two clamping grooves (6) matched with the base (3).
3. The pressure-resistant BOPS material food packaging box according to claim 1, characterized in that, The closing assembly comprises a groove (9) formed in the upper end of the packing box cover (5), the ventilation hole (11) is located in the groove (9), and the groove (9) is slidably connected with a closing plate (13).
4. The pressure-resistant BOPS material food packaging box according to claim 3, characterized in that, The inner side of the groove (9) is provided with a sliding groove (12), the sliding groove (12) is slidably connected with a sliding block (10), the sliding block (10) and the sliding groove (12) are elastically connected through a spring (8), and the sliding block (10) is fixedly connected with the closing plate (13).
5. The pressure-resistant BOPS material food packaging box according to claim 3, characterized in that, The upper end of the closing plate (13) is fixedly installed with a plurality of anti-skid teeth (14) at equal intervals.
6. The pressure-resistant BOPS material food packaging box according to claim 2, characterized in that, The height of the base (3) is less than the depth of the clamping groove (6), and the lower end of the base (3) is fixedly installed with a buffer pad.