Flame-retardant corrugated carton

Flame-retardant corrugated cardboard boxes, designed with interlocking grooves, rotating blocks, and springs, solve the problems of flammability and weakened mechanical properties of traditional corrugated cardboard boxes, achieving high-efficiency fire protection and item protection.

CN223591244UActive Publication Date: 2025-11-25SHANDONG POXI PAPER PROD CO LTD
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Patent Information

Application Number
CN202423229894.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-25
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Traditional corrugated cardboard boxes are flammable, and flames spread rapidly, failing to meet the fire protection requirements of high-value or flammable goods. Furthermore, the opening and closing mechanism may weaken the mechanical properties of the cardboard, affecting its thermal insulation and fire resistance.

Method used

Design a flame-retardant corrugated cardboard box. Through a linkage structure including interlocking grooves, rotating blocks, support blocks, and pressing blocks, the box prevents items from shifting inside. Springs buffer external forces to enhance fire resistance, and reinforcing ribs and positioning blocks improve the stability of the box.

Benefits of technology

Effectively prevents items from shifting or colliding during a fire, avoids friction that could generate open flames, and uses springs to cushion external forces, enhancing the fire resistance of the cardboard box, ensuring the safety of the items and reducing losses.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223591244U_ABST
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Abstract

The utility model discloses a flame-retardant corrugated carton which comprises a carton body, an embedding groove is formed in the carton body, a first rotating block and a second rotating block are rotationally connected in the embedding groove, and the first rotating block and the second rotating block are symmetrically arranged on the left side and the right side of the embedding groove. The side wall of the first rotating block is fixedly connected with a supporting block, the upper surface of the supporting block abuts against a lower pressing block, the lower pressing block is fixedly connected with the side wall of the second rotating block, a sliding groove, an adjusting groove and a matching groove are formed in the second rotating block, and the adjusting groove is parallel to the upper surface of the second rotating block. The matching groove extends into the first rotating block, and the sliding groove is fixedly connected with two fixing columns. The downward pressing block abutting against the upper surface of the supporting block is in linkage with the first rotating block and the second rotating block, so that displacement and collision of the articles in the box due to thermal expansion or external impact force can be prevented, and open fire caused by friction or exposure of the articles under flames are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated box technical field, concretely is a kind of flame-retardant corrugated box. BACKGROUND

[0002] In the logistics and warehousing industry, fire is a very serious safety hazard, ordinary corrugated box is mainly composed of paper material, it is flammable itself, once fire occurs, flame can spread rapidly, resulting in a large number of goods damaged, according to statistics, in warehouse fire cases, fire caused by paper packaging material combustion accounts for a considerable proportion, these fires not only cause huge economic losses, but also may pose a threat to personnel safety, with the continuous development of industry and the increase of commodity circulation, the safety requirement in the process of goods storage and transportation is also increasing, especially for some high value, flammable or dangerous goods, such as electronic products, chemicals, fireworks and so on, traditional corrugated box cannot meet the fireproof demand, which promotes the research and development of flame-retardant corrugated box technology to reduce fire risk and protect goods safety.

[0003] The switch structure of flame-retardant corrugated box may cut, punch and other operations on paperboard during design and manufacturing process, these operations may weaken the mechanical properties of paperboard, so that it is more easily damaged in fire, the switch structure may form a heat insulation layer inside the carton, hinder the heat from spreading outside, thereby reducing the heat insulation performance of the carton, due to the existence of switch structure, flame-retardant corrugated box may need more attention and cost investment during production and maintenance to ensure that its fireproof performance is not affected. SUMMARY

[0004] The utility model aims at providing a kind of flame-retardant corrugated box, through the lower block of support block upper surface resistance and the first, second rotating block linkage, can prevent goods from being displaced and colliding in the box due to thermal expansion or external impact force, avoid the generation of open fire due to friction or make goods exposed to flame, the elasticity of spring can buffer external impact force caused by fire to a certain extent, prevent the box body from being broken due to instantaneous force, the whole locking structure parts work together, improve the fireproof performance of carton from multiple angles.

[0005] In order to achieve the above object, a kind of fire-retardant corrugated carton is provided, comprising: box, the inside of the box is provided with fitting slot, the inside of the fitting slot is rotatably connected with first rotating block and second rotating block, and first rotating block and second rotating block are symmetrically arranged on the left and right sides of fitting slot, the side wall of the first rotating block is fixedly connected with support block, the upper surface of the support block is in contact with lower block, and the side wall of lower block and second rotating block is fixedly connected, the inside of the second rotating block is provided with sliding slot, adjusting slot and cooperation slot, and adjusting slot and the upper surface of second rotating block are parallelly arranged, the cooperation slot extends to the inside of first rotating block, the sliding slot is fixedly connected with two fixed columns, the outer surface of two fixed columns is provided with spring, one end of the spring is in contact with sliding block, and the sliding block is slidably connected with two fixed columns, the upper surface of the sliding block is fixedly connected with the knob, the side wall of the sliding block is fixedly connected with the contact block, and the contact block is slidably connected with cooperation slot.The structure can flexibly adjust the internal space, tightly fix the article, effectively prevent displacement damage during transportation, and enhance the fireproof performance.

[0006] According to the fire-retardant corrugated carton, the number of sliding slots is two, and the two sliding slots are symmetrically arranged on the front and rear sides of the second rotating block.The symmetrically arranged sliding slots ensure that the structure is balanced, improve the stability of the carton, benefit the stable packaging of the article, and improve the fireproof reliability

[0007] According to the fire-retardant corrugated carton, the two fixed columns are symmetrically arranged on the front and rear sides of the sliding slot, and the sliding slot is in communication with the inside of the adjusting slot and the cooperation slot.The symmetric arrangement of the fixed columns and the communication design of each slot ensure that the structure works closely and is easy to operate, and lay a solid foundation for fire safety.

[0008] According to the fire-retardant corrugated carton, the spring is sleeved with the fixed column, and the sliding block is located above the lower block.The spring is sleeved with the fixed column and the sliding block is reasonably positioned, can buffer external force, keep the lower block stable, and better protect the article from fire threat.

[0009] According to the fire-retardant corrugated carton, the contact block is in communication with the inside of the cooperation slot, and the knob is slidably connected with the inside of the adjusting slot.The contact block is in communication with the cooperation slot and the knob is slidably designed, realizes accurate adjustment, strengthens the fixation of the inside of the carton, and enhances the fireproof practicality.

[0010] According to the fire-retardant corrugated carton, the outer surface of the box is fixedly connected with reinforcing ribs at four corners, the height of the reinforcing rib is the same as that of the box, and the lower surface of the box is fixedly connected with four supporting legs.The reinforcing ribs and supporting legs respectively enhance the strength and stability of the box, prevent compression deformation, ensure the safety of the article in fire, and reduce the loss.

[0011] According to the corrugated carton of the application, the two positioning blocks are fixedly connected to the left and right sides of the box body, and the rotating handle is arranged between the two positioning blocks.

[0012] Compared with the prior art, the corrugated carton has the advantages that:

[0013] The embedded groove, the first rotating block, the second rotating block, the supporting block, the pressing block, the sliding groove, the matching groove, the fixing column, the spring, the sliding groove, the adjusting groove, the matching groove, the sliding block, the pushing block and the abutting block are arranged, the pressing block on the upper surface of the supporting block is in abutment with the first and second rotating blocks, the displacement and collision of the articles in the box due to thermal expansion or external impact force are prevented, the friction-induced open fire or the exposure of the articles to the flame is avoided, the elasticity of the spring can buffer the external impact force caused by the fire to a certain extent, the box body is prevented from being broken due to instantaneous stress, and the fireproof performance of the paper box is improved from multiple angles.

[0014] The additional aspects and advantages of the application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0015] The application will be further described below in combination with the drawings and embodiments.

[0016] Figure 1 It is a perspective view of the corrugated carton of the application.

[0017] Figure 2 It is a front view of the corrugated carton of the application.

[0018] Figure 3 It is a sectional perspective view of the corrugated carton of the application.

[0019] Figure 4 It is the application Figure 3 The structure of the A part in the application is enlarged.

[0020] In the figure: 1, box body; 2, supporting leg; 3, reinforcing rib; 4, positioning block; 5, rotating handle; 6, embedded groove; 7, first rotating block; 8, second rotating block; 9, supporting block; 10, pressing block; 11, sliding groove; 12, fixing column; 13, spring; 14, sliding block; 15, pushing block; 16, adjusting groove; 17, abutting block; 18, matching groove. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of fire -retardant corrugated carton, comprising: box 1, the inside of box 1 is equipped with fitting groove 6, for accommodating and installing subsequent rotating connecting component, realize specific mechanical structure function, the inside rotating connection of fitting groove 6 has first rotating block 7 and second rotating block 8, by rotating connection mode, so that first rotating block 7 and second rotating block 8 can be flexibly rotated in fitting groove 6, to provide basis for the adjustment of paper box internal structure, realize the support, fixed or buffering etc. function to article, and first rotating block 7 and second rotating block 8 are symmetrically arranged in the left and right sides of fitting groove 6, and symmetrically arranged ensure the stability of structure and the uniformity of stress, so that paper box is more reliable in the process of use, not easy to damage due to uneven stress, while it helps to better exert its internal structure protection effect to article, the side wall of first rotating block 7 is fixedly connected with support block 9, and support block 9 is used to provide stable support surface, when paper box carries article, can effectively disperse pressure, prevent article from being damaged due to local excessive stress, enhance the carrying and protection capacity of paper box to article, the upper surface of support block 9 is in contact with lower pressing block 10, and lower pressing block 10 cooperates with support block 9, by the contact action between the two, the further fixed and limiting of article can be realized, ensure the position stability of article in paper box, reduce the shaking and displacement in the process of transportation, and the side wall of lower pressing block 10 and second rotating block 8 is fixedly connected, ensure the linkage of lower pressing block 10 and second rotating block 8, so that lower pressing block 10 can act synchronously when second rotating block 8 rotates or adjusts, to flexibly adapt to the fixed needs of different sizes or shapes articles, the inside of second rotating block 8 is equipped with sliding slot 11, to provide track for the sliding of sliding block 14, so that sliding block 14 can move stably in sliding slot 11, to drive other components to realize corresponding functions, such as adjusting the tightness of paper box internal structure or the clamping force of article etc., adjusting groove 16 is used to guide and limit the sliding direction and range of actuating block 15, by the sliding of actuating block 15 in adjusting groove 16, paper box internal mechanical structure can be conveniently adjusted to meet different use scenarios and article fixed requirements, and cooperating slot 18 cooperates with contact block 17, realize the accurate control of sliding position of sliding block 14, while it helps to enhance the stability and reliability of entire structure, ensure that paper box internal structure can normally work under various conditions, effectively protect article, and adjusting groove 16 and the upper surface of second rotating block 8 are parallelly arranged, and this parallel arrangement makes the operation of actuating block 15 more convenient and intuitive, and operating personnel can more easily carry out accurate adjustment operation according to actual needs, improve the practicability and ease of use of paper box, cooperating slot 18 extends to the inside of first rotating block 7, ensure the collaborative work between first rotating block 7 and second rotating block 8, so that the two form an organic whole in structure and function, complete the protection and fixed task to article together,The fixed column 12 provides stable support and guidance for the spring 13 and the sliding block 14, ensures that the spring 13 does not deviate or twist during compression and extension, and ensures that the sliding block 14 can smoothly slide along the direction of the fixed column 12, so that the movement of the entire structure is more stable and reliable. The outer surface of the two fixed columns 12 is provided with a spring 13, which utilizes its elastic properties to provide a buffer and reset force when the sliding block 14 moves. When the carton is impacted by external force, the spring 13 can absorb part of the energy and reduce the impact force on the goods, thereby protecting the goods. At the same time, after adjusting the structure, the spring 13 can automatically reset the sliding block 14, facilitating the next use and operation. One end of the spring 13 is connected with the sliding block 14, which moves under the action of the spring 13, drives the abutting block 17 and the actuating block 15 to move, thereby adjusting and controlling the internal structure of the carton, meeting the fixing and protection needs of different goods, and being one of the key transmission components of the entire internal mechanical structure. The sliding block 14 is slidably connected with the two fixed columns 12, ensuring the stability and directionality of the movement of the sliding block 14, so that the sliding block 14 can accurately slide along the axial direction of the fixed column 12 when subjected to spring force or external force, thereby accurately controlling the change of the internal structure of the carton and improving the functionality and reliability of the carton. The upper surface of the sliding block 14 is fixedly connected with the actuating block 15, which is directly operated by the operator. By sliding in the adjusting groove 16, the sliding block 14 and the entire internal structure are manually adjusted, and the fixing method and space layout inside the carton are conveniently and quickly changed to adapt to goods of different sizes and shapes. The side wall of the sliding block 14 is fixedly connected with the abutting block 17, which cooperates with the cooperating groove 18. By sliding in the cooperating groove 18, the maximum displacement of the sliding block 14 is limited, and the structure can also be locked or unlocked at a specific position, ensuring the stability and safety of the internal structure of the carton during transportation and use. The abutting block 17 and the cooperating groove 18 are slidably connected, ensuring that the abutting block 17 can accurately slide in the cooperating groove 18, thereby effectively exerting its limiting and control effect on the sliding block 14, so that the mechanical structure inside the carton can stably operate according to the design requirements, providing reliable protection for the goods.

[0023] The number of sliding grooves 11 is two, and the arrangement of the two sliding grooves 11 further enhances the stability and symmetry of the structure, making the movement of the sliding block 14 more stable and reliable, and also improving the fixing and protection ability of the entire internal structure to the articles, which can better cope with complex stress conditions and use scenarios. The two sliding grooves 11 are symmetrically arranged on the front and rear sides of the second rotating block 8, and the symmetric distribution helps to evenly disperse the pressure and force, ensuring that the second rotating block 8 can maintain a stable working state in various situations, avoiding structural damage or functional failure due to uneven stress, thereby improving the overall performance and service life of the carton. The two fixed columns 12 are symmetrically arranged on the front and rear sides of the sliding groove 11, and the symmetrically arranged fixed columns 12 ensure the uniformity of the stress of the spring 13 and the sliding block 14, so that the spring 13 can better play its buffering and resetting role, and the sliding block 14 can slide more stably, thereby providing a solid foundation for the stable operation of the internal structure of the carton. The sliding grooves 11 are in internal communication with the adjusting grooves 16 and the matching grooves 18, and this communication design makes the cooperation between the components more closely and coordinated, ensuring the coherence and integrity of the entire internal mechanical structure, which can effectively realize the functions of fixing, buffering and protecting the articles, and improve the practicality and reliability of the carton. The spring 13 and the fixed column 12 are sleeved, and the sleeving method makes the spring 13 stably installed on the fixed column 12, and it will not fall off or displace during the extension and contraction of the spring 13, ensuring the normal work of the spring 13, and also facilitating installation and maintenance, improving the stability and operability of the internal structure of the carton. The sliding block 14 is located above the pressing block 10, and the positional relationship design makes the movement of the sliding block 14 directly affect the state of the pressing block 10, and by operating the sliding block 14, the position of the pressing block 10 and the pressure on the articles can be easily adjusted, thereby realizing effective fixing and protection of the articles, meeting the packaging needs of different articles. The internal communication between the abutting block 17 and the matching groove 18 ensures that the abutting block 17 can freely slide in the matching groove 18 and accurately play its limiting and control role, ensuring the stability and reliability of the internal structure of the carton, providing a safe and reliable packaging environment for the articles. The internal sliding connection between the toggle block 15 and the adjusting groove 16 makes it possible for the operator to accurately control the position of the sliding block 14 and the state of the entire internal structure by sliding the toggle block 15 in the adjusting groove 16, which facilitates quick adjustment of the internal space and fixing method of the carton to adapt to the packaging requirements of different articles, improving the universality and practicality of the carton. The outer surface of the box body 1 is fixedly connected with the reinforcing ribs 3 at the four corners, and the reinforcing ribs 3 can significantly enhance the overall strength and rigidity of the box body 1. When the carton is subjected to external pressure, collision or stacking, it can effectively prevent the box body from deforming or being damaged, protecting the safety of the internal articles, and also improving the carrying capacity of the carton, so that it can withstand heavier articles and greater pressure. The reinforcing ribs 3 and the box body 1 have the same height, ensuring that the reinforcing ribs 3 can provide uniform support and strengthening effect in the height direction of the entire box body 1.Make each part of the box 1 has strong anti-deformation ability, further improve the overall performance and reliability of the carton, whether in the process of transportation or in the process of storage, can better protect the goods, the lower surface of the box 1 is fixedly connected with four supporting legs 2, the supporting legs 2 are used for separating the box 1 from the placing plane by a certain distance, avoiding the box 1 directly contacting the damp ground or being eroded by other pollutants, meanwhile, also provide stable support foundation for the box 1, when placing and carrying the carton, it is more convenient and fast, help to protect the integrity of the box 1 and the internal goods.

[0024] The left and right sides of the box 1 are fixedly connected with two positioning blocks 4, the positioning blocks 4 can cooperate with other equipment or components to realize accurate positioning and fixing of the carton in the process of transportation, carrying or storage, prevent the carton from displacement or shaking, ensure the safety of goods and the stability of transportation, improve the efficiency of logistics and warehousing, a rotating handle 5 is arranged between the two positioning blocks 4, the rotating handle 5 is convenient for the operator to carry the carton, through the design of the rotating handle 5, the operator can more labor-savingly lift, move or rotate the carton, improve the work efficiency, meanwhile, also reduce the risk of damaging the box 1 and the internal goods due to improper carrying, enhance the practicability and ease of use of the carton.

[0025] Working principle: put the goods into the box 1, according to the size and shape of the goods, operate the toggle 15 to adjust the position of the pressing block 10, if the goods are small, slide the toggle 15 towards the pressing block 10, make the slider 14 compress the spring 13 and drive the pressing block 10 to descend, tightly contact the goods, ensure that the goods in the carton will not rub with the inner wall of the carton due to shaking, thereby reducing the possibility of burning the goods due to friction in the fire, if the goods are large, operate the toggle 15 in reverse, lift the position of the pressing block 10, to adapt to the size of the goods, while ensuring that the goods are stably fixed, prevent the carton from being damaged due to the carton dumping or goods displacement when the fire occurs, affect the fireproof effect, when the goods are stably fixed by the pressing block 10, the spring 13 is in the corresponding compression or stretching state, provide a certain pre-tightening force for the entire locking structure, when the fire occurs, the pre-tightening force can keep the stability of the internal structure of the carton, prevent the goods from being exposed to the flame when the carton material becomes soft or deformed due to high temperature, ensure that the abutting block 17 is completely embedded in the matching groove 18, and the slider 14 will not be easily moved due to external force, thereby maintaining the fixing effect of the pressing block 10 on the goods, make the carton better protect the internal goods in the fire environment, reduce the direct influence of the flame and heat on the goods.

[0026] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge range possessed by ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A fire-retardant corrugated paper box comprising: The application discloses a box (1), characterized in that: the inside of the box (1) is provided with a fitting groove (6), the inside of the fitting groove (6) is rotationally connected with a first rotating block (7) and a second rotating block (8), the first rotating block (7) and the second rotating block (8) are symmetrically arranged on the left side and the right side of the fitting groove (6), the side wall of the first rotating block (7) is fixedly connected with a supporting block (9), the upper surface of the supporting block (9) is abutted with a pressing block (10), the pressing block (10) and the side wall of the second rotating block (8) are fixedly connected, the inside of the second rotating block (8) is provided with a sliding groove (11), an adjusting groove (16) and a matching groove (18), the adjusting groove (16) and the upper surface of the second rotating block (8) are parallelly arranged, the matching groove (18) extends into the inside of the first rotating block (7), the sliding groove (11) is fixedly connected with two fixed columns (12), the outer surfaces of the two fixed columns (12) are provided with springs (13), one end of the spring (13) is abutted and connected with a sliding block (14), the sliding block (14) is slidably connected with the two fixed columns (12), the upper surface of the sliding block (14) is fixedly connected with a pushing block (15), the side wall of the sliding block (14) is fixedly connected with an abutting block (17), and the abutting block (17) is slidably connected with the matching groove (18).

2. A fire-retardant corrugated paper box as defined in claim 1, wherein: The number of the sliding grooves (11) is two, and the two sliding grooves (11) are symmetrically arranged on the front side and the back side of the second rotating block (8).

3. A fire-retardant corrugated paper box as defined in claim 1, wherein: The two fixed columns (12) are symmetrically arranged on the front side and the back side of the sliding groove (11), and the sliding groove (11) is in communication with the inside of the adjusting groove (16) and the matching groove (18).

4. A fire-retardant corrugated paper box as defined in claim 1, wherein: The spring (13) is sleeved with the fixed column (12), and the sliding block (14) is located above the pressing block (10).

5. A fire-retardant corrugated paper box as defined in claim 1, wherein: The abutting block (17) is in communication with the inside of the matching groove (18), and the pushing block (15) is slidably connected with the inside of the adjusting groove (16).

6. A fire-retardant corrugated paper box as defined in claim 1, wherein: The outer surfaces of the box (1) are fixedly connected with reinforcing ribs (3) at four corners, the reinforcing ribs (3) have the same height as the box (1), and the lower surface of the box (1) is fixedly connected with four supporting legs (2).

7. A fire-retardant corrugated paper box as defined in claim 1, wherein: The left side and the right side of the box (1) are fixedly connected with two positioning blocks (4), and a rotating handle (5) is arranged between the two positioning blocks (4).