A type of food packaging bag

Abstract

This invention discloses a food packaging bag, relating to the field of packaging bags. It includes a central pillar with a hook mounted on its top side. Multiple storage mechanisms are equidistantly arranged in a ring around the outer side of the central pillar, used for categorizing and storing food. It also includes multiple folding and shrinking mechanisms and an automatic blocking mechanism. It should be noted that, in this embodiment, the storage space formed by multiple elastic bands can tighten the food, preventing loose food from colliding and being damaged. Furthermore, the multiple adjustable storage spaces allow for the simultaneous storage of different types and quantities of food. The packaging bag is easy to store and reuse. Additionally, when the packaging bag is lifted, a rotating blocking frame and multiple elastic bands form a lid, covering the bag and preventing the food from spilling out when the bag is touched, thus ensuring food storage safety.

Description

Technical Field

[0001] This invention relates to the field of packaging bag technology, and more particularly to a food packaging bag. Background Technology

[0002] Packaging bags are bags used to package various goods, facilitating transportation and storage during production and distribution. They are widely used in daily life and industrial production. Especially in the food industry, due to the special nature of food, packaging bags are indispensable during food handling and transportation.

[0003] However, most food packaging bags are disposable, which not only causes environmental pollution but also wastes a lot of resources. Even though rigid packaging bags are now available, most have a single, non-adjustable storage space, limiting storage capacity and failing to meet the storage needs of various foods. In addition, because the space is fixed, there are large gaps between food items when they are placed together. If the packaging bag is shaken during transportation, the food is easily damaged by collisions. Furthermore, since the lids of existing packaging bags are directly clipped onto the bag, if the bag falls or hangs down, the lids will come open, causing a large amount of food to spill out, resulting in damage or contamination and further food waste. Summary of the Invention

[0004] The purpose of this invention is to provide a food packaging bag to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A food packaging bag includes a central pillar with a hook mounted on its top side. Multiple storage mechanisms are equidistantly arranged in a circular pattern around the outer side of the central pillar for categorizing and storing food. Each storage mechanism includes multiple sets of support bases, with two support bases in each set. Two storage rods are rotatably mounted on the top side of each of the two support bases in the same set. An extension rod is movably mounted at one end of each storage rod. Elastic fabric is connected between the multiple storage rods and the multiple extension rods to form storage space.

[0007] Multiple folding and retracting mechanisms are equidistantly installed in a ring around the outer side of the central column. Multiple storage mechanisms are connected to these folding and retracting mechanisms, which drive them to fold and retract. Each folding and retracting mechanism includes multiple rotating frames, all rotatably mounted inside the central column. Mounting seats are rotatably mounted on both sides of the support base. Two mounting seats are mounted on the rotating frames, and storage shafts are rotatably mounted on the two mounting seats. The support base is mounted on the storage shafts, and a synchronous rotating rod for positioning the support base is mounted on the storage shafts.

[0008] An automatic blocking mechanism is rotatably mounted on the central column. The automatic blocking mechanism is used to cover the top side of the storage mechanism. The automatic blocking mechanism includes multiple rotating blocking frames, which are rotatably mounted on the circumference of the central column. A blocking frame is installed on the bottom side of the rotating blocking frame. The blocking frame covers the top side of the storage space. An elastic rope connects two adjacent rotating blocking frames to form a blocking cover.

[0009] Furthermore, in a preferred embodiment of the present invention, two unfolding gears are provided on the top side of one of the support seats near the hook, and the two unfolding gears mesh with each other;

[0010] The two storage rods are respectively mounted on the bottom side of the two unfolding gears. The rotation of one storage rod drives the other storage rod to rotate through the two meshing unfolding gears.

[0011] Furthermore, in a preferred embodiment of the present invention, two torsion grooves are provided on the top side of the support base, and a torsion shaft is rotatably installed in each of the two torsion grooves, and the two storage rotating rods are respectively installed on the two torsion shafts;

[0012] A torsion spring is installed on the inner wall of the torsion groove, and the other end of the torsion spring is installed on the torsion shaft.

[0013] Furthermore, in a preferred embodiment of the present invention, an extension groove is provided on the storage rotating rod, and the extension rod is movably installed in the extension groove;

[0014] A return spring is installed on the inner wall of the extension groove, and the other end of the return spring is installed on the extension rod.

[0015] Furthermore, in a preferred embodiment of the present invention, the folding and retracting mechanism further includes a plurality of linkage rods, one of which is rotatably mounted on two synchronous rotating rods located on the same side;

[0016] Two linkage shafts are rotatably mounted on the linkage rod, and the two linkage shafts are respectively mounted on the two synchronous rotating rods.

[0017] Furthermore, in a preferred embodiment of the present invention, two locking slots are provided on one side of each of the plurality of rotating frames, and locking buckles are movably installed on one side of each of the plurality of synchronous rotating rods. The rotation of the synchronous rotating rods drives the locking buckles to engage in the locking slots.

[0018] The synchronous rotating rod has a spring groove, one side of the locking buckle extends into the spring groove and is fitted with a spring spring, and the other end of the spring spring is fitted onto the inner wall of the spring groove.

[0019] Furthermore, in a preferred embodiment of the present invention, a rotating groove is provided on the inner wall of the top and bottom sides of the central column, and a damping rotating block is installed on the top and bottom sides of the rotating frame. The two damping rotating blocks are slidably installed in the two rotating grooves respectively, and the rotating frame rotates in the two rotating grooves through the two damping rotating blocks.

[0020] Furthermore, in a preferred embodiment of the present invention, a plurality of connecting seats are equidistantly installed in a ring along the circumferential direction on the outer side of the central column, a connecting shaft is rotatably installed in the connecting seat, and the rotating blocking frame is installed on the connecting shaft.

[0021] A drive gear is installed on the connecting shaft, and a lifting frame is movably installed on the top side of the central column. Multiple racks are installed on the bottom side of the lifting frame, and the multiple racks mesh with the multiple drive gears. The lifting frame is used to synchronously drive the multiple racks to drive the multiple drive gears to rotate.

[0022] Furthermore, in a preferred embodiment of the present invention, a lifting cavity is provided on the central column, a lifting rod is movably installed in the lifting cavity, and the lifting frame is installed on the top of the lifting rod;

[0023] A tension plate is sleeved on the lifting rod, and a tension spring is installed on the bottom side of the tension plate. The bottom end of the tension spring is installed on the bottom inner wall of the lifting cavity.

[0024] Furthermore, in a preferred embodiment of the present invention, a rubber buffer frame is installed on the top side of the central column, and the lifting hook is rotatably mounted on the rubber buffer frame, the rubber buffer frame providing buffer space for the lifting hook;

[0025] A stabilizing block is installed on the bottom side of the central column, and the stabilizing block is used to support the central column;

[0026] The bottom side of the stabilizing block is provided with a storage groove, and the bottom end of the lifting rod is equipped with a pressing base plate, which is retracted and stored in the storage groove.

[0027] The beneficial effects of the food packaging bag proposed in this invention are:

[0028] In this invention, the storage mechanism, when the support base is raised, pulls two corresponding storage levers, causing multiple storage levers to unfold. Food can be placed within storage spaces formed by multiple elastic fabrics. Simultaneously, the rebound force of multiple torsion springs tightens the food, preventing loose food from colliding and being damaged. Furthermore, when there are many types of food, the storage space can be expanded by pulling the extension rod, and the return force of the return spring pulls the extension rod to tighten the food, ensuring the stability of food storage. Since there are multiple adjustable storage spaces, different types and quantities of food can be stored simultaneously. This allows the packaging bag to hold multiple foods simultaneously or only one type, greatly increasing its versatility, facilitating large-scale application, and enabling reuse. This effectively reduces production costs and reduces environmental pollution, conserving resources.

[0029] Furthermore, in this invention, by setting up a folding and shrinking mechanism, when storing items, the support base is first unfolded, and a synchronous rotating rod is rotated, so that the synchronous rotating rod drives the support base to rotate through the storage rotating shaft. At the same time, it drives another synchronous rotating rod to rotate through the linkage rod, realizing the synchronous rotation of the two synchronous rotating rods, thereby allowing the two support bases to unfold synchronously, which is convenient to use. In addition, when the food on one side is too heavy, the rotating frame is rotated, so that it rotates in the two rotating slots through two damping rotating blocks, thereby rotating the multiple unused rotating frames to the side away from the food, achieving the purpose of weight balancing and ensuring the stability of the packaging bag during use. Similarly, it can be completely stored in the rotating frame 401, effectively reducing the volume of the packaging bag when stored, making it easier to store the packaging bag. This allows the packaging bag to be reused, effectively reducing the storage volume occupied, making it convenient for users to store.

[0030] Furthermore, in this invention, by setting up an automatic blocking mechanism, when the packaging bag is placed on the ground, the center of the packaging bag is lowered by the stabilizing block, making it easier to place stably. At the same time, when the packaging bag is placed, the squeezing bottom plate is squeezed and retracted, thereby driving the lifting frame to move, which in turn drives multiple rotating blocking frames to rotate. The rotation of the rotating blocking frames causes the blocking frames to rotate and retract, thus making multiple rotating blocking frames retract synchronously, making it easy to pick up or place food. Similarly, when the packaging bag is lifted, the rebound force of the tension spring causes multiple rotating blocking frames to return to their original position and cover the packaging bag. The rotating blocking frames and multiple elastic ropes form a cover and cover the packaging bag, preventing the food from scattering when the packaging bag is touched, thus ensuring the safety of food storage. Attached Figure Description

[0031] Figure 1 This is a three-dimensional structural diagram of a food packaging bag provided in an embodiment of the present invention;

[0032] Figure 2 A schematic diagram of the broken structure of the connection between the storage rotating rod and the elastic cloth of a food packaging bag provided in an embodiment of the present invention;

[0033] Figure 3 A partial cross-sectional view of the connection between a support base and a storage rotating rod for a food packaging bag, as provided in an embodiment of the present invention.

[0034] Figure 4 This is a partial cross-sectional view of the connection between the storage rotating rod and the extension rod of a food packaging bag provided in an embodiment of the present invention;

[0035] Figure 5 A partial structural diagram showing the connection between a rotating frame and a damping block, etc., of a food packaging bag according to an embodiment of the present invention.

[0036] Figure 6 A partial structural diagram illustrating the connection between a synchronous rotating rod and a locking buckle in a food packaging bag according to an embodiment of the present invention;

[0037] Figure 7 A cross-sectional view of the connection between a synchronous rotating rod and a locking buckle in a food packaging bag according to an embodiment of the present invention.

[0038] Figure 8 This is a schematic diagram illustrating the connection between the central column and the rotating frame of a food packaging bag according to an embodiment of the present invention.

[0039] Figure 9 This is a top view structural diagram of a food packaging bag provided in an embodiment of the present invention;

[0040] Figure 10 A partial structural diagram illustrating the connection between a connecting seat and a drive gear or other structure of a food packaging bag, provided in an embodiment of the present invention.

[0041] Figure 11 This is a schematic diagram of the central cross-sectional structure of a food packaging bag provided in an embodiment of the present invention;

[0042] Figure 12 This is a schematic diagram of the structure of a food packaging bag according to an embodiment of the present invention, showing the connection between the driving gear and the rack and pinion.

[0043] In the diagram: 1-Central column; 2-Hook; 3-Storage mechanism; 301-Support base; 302-Storage rotating rod; 303-Extension rod; 304-Elastic fabric; 305-Unfolding gear; 306-Torsion groove; 307-Torsion shaft; 308-Torsion spring; 309-Extension groove; 310-Return spring; 4-Folding and retracting mechanism; 401-Rotating frame; 402-Mounting base; 403-Storage rotating shaft; 404-Synchronous rotating rod; 405-Linkage rod; 406-Linkage shaft; 407-Locking buckle; 408-Lock 409-Damping block; 410-Rotation groove; 411-Rebound groove; 412-Rebound spring; 5-Automatic blocking mechanism; 501-Rotation blocking frame; 502-Blocking frame; 503-Tightening rope; 504-Connecting seat; 505-Connecting shaft; 506-Drive gear; 507-Rack; 508-Lifting frame; 509-Lifting cavity; 510-Lifting rod; 511-Tension plate; 512-Tension spring; 513-Extrusion base plate; 514-Storage groove; 6-Rubber buffer frame; 7-Stabilizing block. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0045] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0046] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0047] Furthermore, in the description of this invention, it should be noted that the terms "center," "upper," "lower," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0048] Furthermore, terms such as "horizontal," "vertical," and "perpendicular" do not imply that components must be absolutely vertical, but rather that they can be slightly tilted. For example, "vertical" simply means that its direction is more vertical relative to "horizontal," not that the structure must be completely vertical, but can be slightly tilted.

[0049] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0050] Please refer to the attached instruction manual. Figure 1-12This invention provides a food packaging bag, which includes a central pillar 1, with a hook 2 installed on the top side of the central pillar 1; multiple storage mechanisms 3 are installed equidistantly in a circular direction on the outer side of the central pillar 1, and the storage mechanisms 3 are used to classify and store food; specifically, the storage mechanism 3 includes multiple sets of support seats 301, each set of support seats 301 has two seats, and two storage rods 302 are rotatably installed on the top side of the two support seats 301 in the same set. An extension rod 303 is movably installed at one end of each storage rod 302, and elastic cloth 304 is connected between the multiple storage rods 302 and the multiple extension rods 303 to form a storage space. It should be noted that in this embodiment of the invention, when storing food, the support base 301 is lifted, and then the two storage levers 302 at the corresponding positions are pulled to unfold the multiple storage levers 302. Food can be placed in the storage space formed by multiple elastic cloths 304. At the same time, under the rebound force of multiple torsion springs 308, the multiple storage levers 302 tighten the food, preventing loose food from colliding and being damaged. Furthermore, when there are many types of food, the storage space can be expanded by pulling the extension rod 303, and the food can be tightened by pulling the extension rod 303 with the return force of the return spring 310.

[0051] Please refer to the instruction manual attached. Figure 2 and Figure 5-8 Furthermore, in a food packaging bag provided by this embodiment of the invention, multiple folding and shrinking mechanisms 4 are equidistantly installed in a ring along the circumferential direction on the outer side of the central column 1. Multiple storage mechanisms 3 are respectively connected to the multiple folding and shrinking mechanisms 4 in a transmission manner, and the folding and shrinking mechanisms 4 drive the storage mechanisms 3 to fold and shrink. Specifically, the folding and shrinking mechanism 4 includes multiple rotating frames 401, all of which are rotatably installed inside the central column 1. Mounting seats 402 are rotatably installed on both sides of the support seat 301. Two mounting seats 402 are installed on the rotating frames 401. Storage shafts 403 are rotatably installed on the two mounting seats 402. The support seat 301 is installed on the storage shaft 403. A synchronous rotating rod 404 for positioning the support seat 301 is installed on the storage shaft 403. It should be noted that in this embodiment of the invention, the support base 301 rotates on the two mounting bases 402 via the storage shaft 403, so that the packaging bag can be completely stored in the rotating frame 401 when stored, effectively reducing the volume of the packaging bag when stored, facilitating the storage of the packaging bag, and effectively reducing the storage volume occupied when the packaging bag is reused, making it convenient for users to store.

[0052] More specifically, an automatic blocking mechanism 5 is rotatably mounted on the central column 1. This automatic blocking mechanism 5 is used to cover the top side of the storage mechanism 3. Specifically, the automatic blocking mechanism 5 includes multiple rotating blocking frames 501, all rotatably mounted on the circumference of the central column 1. A blocking frame 502 is mounted on the bottom side of each rotating blocking frame 501, covering the top side of the storage space. An elastic rope 503 connects adjacent rotating blocking frames 501, forming a blocking cover. It should be noted that in this embodiment of the invention, when the packaging bag is lifted, the tension spring 512, through its rebound force, causes the multiple rotating blocking frames 501 to return to their original position and cover the packaging bag. Furthermore, the multiple rotating blocking frames 501 and the multiple elastic ropes 503 form a cover to cover the packaging bag, preventing the food from spilling out when the packaging bag is touched, thus ensuring the safety of the stored food. This ensures the safety of the stored items whether the packaging bag is used for packaging food or for reuse for storage.

[0053] Further, please refer to the appendix to the instruction manual. Figure 2-4 The present invention provides a food packaging bag, wherein two unfolding gears 305 are provided on the top side of a support base 301 near the hook 2, and the two unfolding gears 305 mesh with each other; two storage rotating rods 302 are respectively installed on the bottom side of the two unfolding gears 305, and the rotation of one storage rotating rod 302 drives the other storage rotating rod 302 to rotate through the two meshing unfolding gears 305. It should be noted that, in this embodiment of the invention, during storage, when the support base 301 is raised, it pulls the two corresponding storage rods 302, causing the storage rods 302 to drive the unfolding gear 305 to rotate. The unfolding gear 305, through another unfolding gear 305 meshing with it, drives another storage rod 302 to rotate, causing multiple storage rods 302 to unfold. Food can be placed in the storage space formed by multiple elastic fabrics 304. Furthermore, through the arrangement of multiple sets of support bases 301, multiple storage spaces can be formed, and the spaces are adjustable, allowing for the simultaneous storage of different types and quantities of food. This enables the packaging bag to hold multiple types of food at the same time, or only one type, as needed. This greatly increases the versatility of the packaging bag, facilitating large-scale application and easy reuse, effectively reducing production costs. Moreover, the reusability effectively reduces environmental pollution and saves resources.

[0054] More specifically, in this embodiment of the invention, two torsion grooves 306 are formed on the top side of the support base 301, and a torsion shaft 307 is rotatably installed in each of the two torsion grooves 306. Two storage rods 302 are respectively installed on the two torsion shafts 307. In addition, a torsion spring 308 is installed on the inner wall of the torsion groove 306, and the other end of the torsion spring 308 is installed on the torsion shaft 307. It should be noted that, in this embodiment of the invention, during the unfolding process of the storage rods 302, the torsion shafts 307 are driven to rotate in the torsion grooves 306, and the torsion springs 308 are subjected to force. Therefore, after the food is placed, releasing the multiple storage rods 302 will allow the multiple storage rods 302 to tighten the food under the rebound force of the multiple torsion springs 308, preventing the loose food from colliding and being damaged.

[0055] Please continue to refer to the instruction manual appendix. Figure 2-4 More specifically, in this embodiment of the invention, the storage rotating rod 302 has an extension groove 309, and the extension rod 303 is movably installed in the extension groove 309; a return spring 310 is installed on the inner wall of the extension groove 309, and the other end of the return spring 310 is installed on the extension rod 303. It should be noted that, in this embodiment of the invention, when there are many types of food, the extension rod 303 can be pulled to move it within the extension groove 309, thereby causing the return spring 310 to be stressed, which can expand the storage space. The return force of the return spring 310 pulls the extension rod 303 to tighten the food, further ensuring the stability of food storage.

[0056] Further, please refer to the appendix to the instruction manual. Figure 2 and Figure 5-8 The folding and shrinking mechanism 4 of the food packaging bag provided in this embodiment of the invention also includes a plurality of linkage rods 405, and one linkage rod 405 is rotatably mounted on two synchronous rotating rods 404 located on the same side;

[0057] Furthermore, two linkage shafts 406 are rotatably mounted on the linkage rod 405, and the two linkage shafts 406 are respectively mounted on two synchronous rotating rods 404. It should be noted that, in this embodiment of the invention, when the support base 301 is unfolded, one synchronous rotating rod 404 is rotated, causing the synchronous rotating rod 404 to drive the support base 301 to rotate via the storage rotating shaft 403. At the same time, the rotation of the synchronous rotating rod 404 drives the linkage rod 405 to move via one linkage shaft 406, and the linkage rod 405 drives the other synchronous rotating rod 404 to rotate via the other linkage shaft 406, thereby realizing the synchronous rotation of the two synchronous rotating rods 404, and thus enabling the two support bases 301 to unfold synchronously.

[0058] More specifically, in this embodiment of the invention, each of the multiple rotating frames 401 has two locking slots 408 on one side, and each of the multiple synchronous rotating rods 404 has a locking buckle 407 movably installed on one side. The synchronous rotating rods 404 rotate to drive the locking buckle 407 to engage in the locking slot 408.

[0059] Furthermore, a spring groove 411 is provided on the synchronous rotating rod 404. One side of the locking buckle 407 extends into the spring groove 411 and is fitted with a spring spring 412. The other end of the spring spring 412 is mounted on the inner wall of the spring groove 411. It should be noted that, in this embodiment of the invention, when the synchronous rotating rod 404 rotates, it drives the locking buckle 407 to rotate, causing the locking buckle 407 to be pressed into the spring groove 411, and causing the spring spring 412 to be stressed. When the synchronous rotating rod 404 continues to rotate into another locking slot 408, the spring spring 412 drives the locking buckle 407 to engage in the locking slot 408, thereby locking the synchronous rotating rod 404. This fixes the support base 301 in the desired position, making it easier to lock the synchronous rotating rod 404.

[0060] Please continue to refer to the instruction manual appendix. Figure 2 and Figure 5-8 More specifically, in this embodiment of the invention, rotating grooves 410 are provided on the inner walls of the top and bottom sides of the central column 1, and damping rotating blocks 409 are installed on the top and bottom sides of the rotating frame 401. The two damping rotating blocks 409 are slidably installed in the two rotating grooves 410 respectively, and the rotating frame 401 rotates in the two rotating grooves 410 through the two damping rotating blocks 409. It should be noted that in this embodiment of the invention, when storing food, if one side is overloaded, the rotating frame 401 is rotated, causing it to rotate in the two rotating grooves 410 through the two damping rotating blocks 409, thereby rotating the unused rotating frames 401 to the side away from the food, achieving the purpose of weight balancing and ensuring the stability of the packaging bag during use.

[0061] Further, please refer to the appendix to the instruction manual. Figure 8-12This invention provides a food packaging bag, in which multiple connecting seats 504 are equidistantly installed in a ring along the circumferential direction on the outer side of a central column 1. A connecting shaft 505 is rotatably installed inside the connecting seat 504, and a rotation blocking frame 501 is installed on the connecting shaft 505. A driving gear 506 is installed on the connecting shaft 505. A lifting frame 508 is movably installed on the top side of the central column 1, and multiple racks 507 are installed on the bottom side of the lifting frame 508. The multiple racks 507 mesh with the multiple driving gears 506, and the lifting frame 508 is used to synchronously drive the multiple racks 507 to drive the multiple driving gears 506 to rotate. It should be noted that, in this embodiment of the invention, when the packaging bag is placed on the ground, the lifting rod 510 drives the lifting frame 508 to move, the lifting frame 508 simultaneously drives multiple racks 507 to move, the racks 507 drive multiple driving gears 506 to rotate, and the driving gears 506 drive the rotating blocking frame 501 to rotate through the connecting rotating shaft 505. The rotation of the rotating blocking frame 501 drives the blocking frame 502 to rotate and retract, thereby causing multiple rotating blocking frames 501 to retract simultaneously, making it convenient to pick up or place food. Similarly, when the packaging bag is lifted, under the rebound force of the tension spring 512, the multiple rotating blocking frames 501 reset and cover the packaging bag, so that the rotating blocking frame 501 and multiple elastic ropes 503 form a cover to cover the packaging bag, preventing the food from scattering when the packaging bag is touched, and ensuring the safety of food storage.

[0062] Please continue to refer to the instruction manual appendix. Figure 8-12 More specifically, in this embodiment of the invention, a lifting cavity 509 is provided on the central column 1, a lifting rod 510 is movably installed in the lifting cavity 509, and a lifting frame 508 is installed on the top of the lifting rod 510.

[0063] Additionally, a tension plate 511 is sleeved on the lifting rod 510, and a tension spring 512 is installed on the bottom side of the tension plate 511. The bottom end of the tension spring 512 is installed on the bottom inner wall of the lifting cavity 509. It should be noted that, in this embodiment of the invention, when the packaging bag is placed on the ground, the squeezing bottom plate 513 is squeezed back into the storage groove 514 for shrinkage. At the same time, the movement of the squeezing bottom plate 513 drives the lifting rod 510 to move, and the movement of the lifting rod 510 drives the tension plate 511 to move, and drives the tension spring 512 to be stretched. This achieves the purpose of lifting the lifting frame 508 upward when the packaging bag is placed on the ground, and lifting the lifting rod 510 driving the lifting frame 508 back to its original position when the packaging bag is lifted off the ground, thereby realizing the automatic opening and closing of multiple rotating blocking frames 501.

[0064] For more details, please refer to the appendix to the instruction manual. Figure 1In this embodiment of the invention, a rubber buffer frame 6 is installed on the top side of the central column 1, and the lifting hook 2 is rotatably installed on the rubber buffer frame 6. The rubber buffer frame 6 provides a buffer space for the lifting hook 2.

[0065] In addition, a stabilizing block 7 is installed on the bottom side of the central column 1 to support the central column 1. Specifically, a storage groove 514 is provided on the bottom side of the stabilizing block 7, and a pressing base plate 513 is installed at the bottom end of the lifting rod 510. The pressing base plate 513 retracts and is stored in the storage groove 514. It should be noted that, in this embodiment of the invention, by setting the rubber buffer frame 6, if the packaging bag shakes during the process of moving it by lifting it with the hook 2 or placing it on a vehicle, the rubber buffer frame 6 can cushion the shaking and prevent the packaging bag from shaking too much, which could cause the packaging bag to break from the hook 2, thus ensuring the safety of the food inside the packaging bag. In addition, when the packaging bag is placed on the ground, the stabilizing block 7 lowers the center of the packaging bag, allowing the packaging bag to be placed stably and preventing the packaging bag from falling over and causing the food to spill out and be damaged.

[0066] In summary, the working principle of the food packaging bag provided in this embodiment of the invention is as follows:

[0067] During storage, the support base 301 is first unfolded, and a synchronous rotating rod 404 is rotated. The synchronous rotating rod 404 drives the support base 301 to rotate via the storage shaft 403. Simultaneously, the rotation of the synchronous rotating rod 404 causes the locking latch 407 to rotate, pressing it into the spring-loaded groove 411 and causing the spring-loaded spring 412 to be stressed. As the synchronous rotating rod 404 continues to rotate into another locking groove 408, the spring-loaded spring 412 pushes the locking latch 407 into the locking groove 408, thus locking the synchronous rotating rod 404 and fixing the support base 301 in place. In terms of position, the synchronous rotating rod 404 rotates through a linkage shaft 406 to drive the linkage rod 405 to move, and the linkage rod 405 drives another synchronous rotating rod 404 to rotate through another linkage shaft 406, so as to realize the synchronous rotation of the two synchronous rotating rods 404, thereby enabling the two support seats 301 to unfold synchronously. When the food on one side is too heavy, the rotating frame 401 is rotated so that it rotates in the two rotating slots 410 through two damping rotating blocks 409, thereby rotating the unused multiple rotating frames 401 to the side away from the food, so as to achieve the purpose of weight balancing and ensure the stability of the packaging bag during use.

[0068] Furthermore, when the support base 301 is raised, the two corresponding storage rods 302 are pulled, causing one storage rod 302 to drive the torsion shaft 307 to rotate within the torsion groove 306, and causing the torsion spring 308 to be stressed. Simultaneously, the rotation of the storage rod 302 drives the unfolding gear 305 to rotate, causing the unfolding gear 305 to drive another storage rod 302 to rotate through another unfolding gear 305 meshing with it. This causes multiple storage rods 302 to unfold, allowing food to be placed within the storage space formed by multiple elastic fabrics 304. Simultaneously, the rebound force of the multiple torsion springs 308 causes the multiple storage rods 302 to tighten the food, preventing... Loose food items can collide and damage each other. Furthermore, when there are many of a particular food item, the storage space can be expanded by pulling the extension rod 303, and the food can be tightened by the pull-back spring 310, ensuring the stability of food storage. At this time, there are multiple storage spaces, and the space is adjustable, allowing for the simultaneous storage of different types and quantities of food. This enables the packaging bag to hold multiple foods simultaneously or just one type, greatly increasing its versatility and facilitating large-scale application. It is also easy to reuse, effectively reducing production costs. Furthermore, reuse effectively reduces environmental pollution and saves resources.

[0069] Furthermore, when the packaging bag is placed on the ground, the center of gravity of the packaging bag is lowered by the stabilizing block 7, making it easier to place stably. At the same time, when the packaging bag is placed, the squeezing bottom plate 513 is squeezed back into the storage groove 514 for shrinkage. The movement of the squeezing bottom plate 513 drives the lifting rod 510 to move, which in turn drives the stretching plate 511 to move, and causes the stretching spring 512 to be stretched. Simultaneously, the movement of the lifting rod 510 drives the lifting frame 508 to move, and the lifting frame 508 synchronously drives multiple racks 507 to move. The racks 507 drive multiple driving gears 506 to rotate, thus... The drive gear 506 drives the rotating blocking frame 501 to rotate via the connecting shaft 505. The rotation of the rotating blocking frame 501 drives the blocking frame 502 to rotate and retract, thereby causing multiple rotating blocking frames 501 to retract synchronously, making it easier to take out or place food. Similarly, when the packaging bag is lifted, the rebound force of the tension spring 512 causes multiple rotating blocking frames 501 to return to their original position and cover the packaging bag. This causes the rotating blocking frame 501 and multiple elastic ropes 503 to form a cover to cover the packaging bag, thereby preventing the food from spilling out when the packaging bag is touched, and ensuring the safety of food storage.

[0070] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A food packaging bag, characterized in that, It includes a central column with a hook mounted on its top side; multiple storage mechanisms are equidistantly mounted in a circular pattern on the outer side of the central column, used for classifying and storing food; each storage mechanism includes multiple sets of support seats, with two support seats in each set, and two storage rods rotatably mounted on the top side of each of the two support seats in the same set, with an extension rod movably mounted at one end of each storage rod; elastic fabric is connected between the multiple storage rods and the multiple extension rods to form a storage space; Multiple folding and retracting mechanisms are equidistantly installed in a ring along the circumferential direction on the outer side of the central column. Multiple storage mechanisms are respectively connected to the multiple folding and retracting mechanisms, and the folding and retracting mechanisms drive the storage mechanisms to fold and retract. Each folding and retracting mechanism includes multiple rotating frames, all rotatably mounted inside the central column. Mounting seats are rotatably mounted on both sides of the support base. Two mounting seats are mounted on the rotating frames, and storage shafts are rotatably mounted on the two mounting seats. The support base is mounted on the storage shafts, and a synchronous rotating rod for positioning the support base is installed on the storage shafts. An automatic blocking mechanism is rotatably mounted on the central column. The automatic blocking mechanism is used to cover the top side of the storage mechanism. The automatic blocking mechanism includes multiple rotating blocking frames, which are rotatably mounted on the circumference of the central column. A blocking frame is installed on the bottom side of the rotating blocking frame. The blocking frame covers the top side of the storage space. An elastic rope connects two adjacent rotating blocking frames to form a blocking cover.

2. The food packaging bag according to claim 1, characterized in that, Two unfolding gears are provided on the top side of one of the support bases near the hook, and the two unfolding gears mesh with each other; The two storage rods are respectively mounted on the bottom side of the two unfolding gears. The rotation of one storage rod drives the other storage rod to rotate through the two meshing unfolding gears.

3. A food packaging bag according to claim 2, characterized in that, The top side of the support base has two torsion grooves, and a torsion shaft is rotatably installed in each of the two torsion grooves. The two storage rods are respectively installed on the two torsion shafts. A torsion spring is installed on the inner wall of the torsion groove, and the other end of the torsion spring is installed on the torsion shaft.

4. A food packaging bag according to claim 3, characterized in that, The storage rotating rod is provided with an extension groove, and the extension rod is movably installed in the extension groove; A return spring is installed on the inner wall of the extension groove, and the other end of the return spring is installed on the extension rod.

5. A food packaging bag according to claim 1, characterized in that, The folding and retracting mechanism also includes multiple linkage rods, one of which is rotatably mounted on two synchronous rotating rods located on the same side; Two linkage shafts are rotatably mounted on the linkage rod, and the two linkage shafts are respectively mounted on the two synchronous rotating rods.

6. A food packaging bag according to claim 5, characterized in that, Each of the multiple rotating frames has two locking slots on one side, and each of the multiple synchronous rotating rods has a locking buckle movably installed on one side. The rotation of the synchronous rotating rod drives the locking buckle to engage with the locking slot. The synchronous rotating rod has a spring groove, one side of the locking buckle extends into the spring groove and is fitted with a spring spring, and the other end of the spring spring is fitted onto the inner wall of the spring groove.

7. A food packaging bag according to claim 6, characterized in that, Rotation slots are provided on the inner walls of the top and bottom sides of the central column. Damping rotating blocks are installed on the top and bottom sides of the rotating frame. The two damping rotating blocks are slidably installed in the two rotation slots respectively. The rotating frame rotates in the two rotation slots through the two damping rotating blocks.

8. A food packaging bag according to claim 1, characterized in that, Multiple connecting seats are installed equidistantly in a ring along the circumferential direction on the outer side of the central column. A connecting shaft is rotatably installed inside the connecting seat, and the rotating blocking frame is installed on the connecting shaft. A drive gear is installed on the connecting shaft, and a lifting frame is movably installed on the top side of the central column. Multiple racks are installed on the bottom side of the lifting frame, and the multiple racks mesh with the multiple drive gears. The lifting frame is used to synchronously drive the multiple racks to drive the multiple drive gears to rotate.

9. A food packaging bag according to claim 8, characterized in that, A lifting cavity is provided on the central column, a lifting rod is movably installed in the lifting cavity, and the lifting frame is installed on the top of the lifting rod; A tension plate is sleeved on the lifting rod, and a tension spring is installed on the bottom side of the tension plate. The bottom end of the tension spring is installed on the bottom inner wall of the lifting cavity.

10. A food packaging bag according to claim 9, characterized in that, A rubber buffer frame is installed on the top side of the central column, and the lifting hook is rotatably mounted on the rubber buffer frame, which provides buffer space for the lifting hook. A stabilizing block is installed on the bottom side of the central column, and the stabilizing block is used to support the central column; The bottom side of the stabilizing block is provided with a storage groove, and the bottom end of the lifting rod is equipped with a pressing base plate, which is retracted and stored in the storage groove.

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