Portable paper bag for freezing and cold storage

Abstract

The utility model relates to the technical field of portable paper bags, and discloses a portable paper bag for freezing and cold storage, which comprises a bag body, the inner bottom wall of the bag body is fixedly connected with a bottom plate, the four corners of the top wall of the bottom plate are fixedly connected with spring covers, the inner walls of the plurality of spring covers are slidably connected with spring grooves, and the spring grooves are fixedly connected with the bottom plate. The inner top walls of the multiple spring grooves are fixedly connected with tension springs, the bottom ends of the multiple tension springs are fixedly connected to the inner bottom walls of the multiple spring covers, the top walls of the multiple spring grooves are fixedly connected with vacuum heat insulation boxes, and the front side and the rear side of the inner bottom wall of each vacuum heat insulation box are fixedly connected with multiple fixing blocks. Replaceable ice bars are fixedly connected to the inner walls of the multiple fixing blocks. According to the vacuum heat insulation box, the heat insulation principle of the vacuum environment is utilized, the influence of external heat on the internal temperature is effectively reduced, and a more environment-friendly refrigeration choice is provided for a user.

Description

Technical Field

[0001] The utility model relates to the technical field of portable paper bags, in particular to a portable paper bag for freezing and refrigeration. Background Art

[0002] A paper handbag is a common and practical item made of paper material and comes in a variety of shapes, sizes and colors. The structure of a paper handbag is simple and ingenious, including a main body for loading items and two sturdy ropes or handles for people to carry.

[0003] Freezer and refrigeration paper bags have important applications in many fields. In the food industry, they are used to package frozen meat, seafood, ice cream, etc. In fresh food supermarkets, frozen steaks are often packed in such paper bags, which can ensure the freezing effect of steaks while being convenient for customers to carry.

[0004] In order to save manufacturing costs, existing paper handbags are only equipped with thinner paper bags. In the hot summer, customers can only put frozen items in the paper bags for a short time on their way home due to the poor thermal insulation performance of the paper bags. If the frozen items are kept in the paper bags for too long, they will melt and the moisture produced will reduce the durability of the paper bags, causing the items to fall out. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a portable paper bag for freezing and refrigeration, which aims to improve the poor thermal insulation performance of ordinary paper bags. The frozen items inside the paper bag can only be placed in the paper bag for a short time. If placed for too long, the frozen items will melt, and the generated moisture will reduce the durability of the paper bag, causing the items to fall off.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a portable paper bag for freezing and refrigeration, comprising a bag body, the inner bottom wall of the bag body is fixedly connected to a bottom plate, the four corners of the top wall of the bottom plate are fixedly connected to spring covers, the inner walls of multiple spring covers are slidably connected to spring grooves, the inner top walls of multiple spring grooves are fixedly connected to tension springs, the bottom ends of multiple tension springs are fixedly connected to the inner bottom walls of multiple spring covers, the top walls of multiple spring grooves are fixedly connected to a vacuum insulation box, the front and rear sides of the inner bottom wall of the vacuum insulation box are fixedly connected to multiple fixed blocks, the inner walls of multiple fixed blocks are fixedly connected to replaceable ice bars, the middle and upper parts of the outer walls of multiple replaceable ice bars are slidably connected to fixing rings, the middle part of the inner bottom wall of the vacuum insulation box is fixedly connected to two thermal insulation cottons, and the front and rear top ends of the bag body are provided with lifting devices.

[0007] As a further description of the above technical solution:

[0008] The lifting device includes a rotating ring, and a plurality of the rotating rings are fixedly connected to reinforcing ribs in the middle of the inner walls, and a plurality of rotating plastic parts are rotatably connected to the front and rear sides of the inner walls of the rotating rings, and a plurality of the rotating plastic parts are fixedly connected to the tops of the plurality of handles, and the inner top walls of the two handles are fixedly connected to sponge pads, and the bottom ends of the two sponge pads are provided with finger engagement grooves.

[0009] As a further description of the above technical solution:

[0010] A rubber sheet is fixedly connected to the middle of the inner wall of the bag body, and two sealing strips are fixedly connected to the inner wall of the rubber sheet. The front sides of the two sealing strips are meshedly connected with the rear sides of the two sealing strips.

[0011] As a further description of the above technical solution:

[0012] The front and rear sides of the inner wall of the bag body are fixedly connected with heat insulation cotton, and a zipper is fixedly connected between two adjacent heat insulation cottons, and the inner wall of the zipper is meshedly connected with a slider.

[0013] As a further description of the above technical solution:

[0014] The left side of the bag body and the right side of the bag body are both provided with folding marks.

[0015] As a further description of the above technical solution:

[0016] Anti-collision corners are fixedly connected to the four corners of the bottom wall of the bag body, and the multiple anti-collision corners are all made of rubber.

[0017] As a further description of the above technical solution:

[0018] A thermometer is fixedly connected to the front side of the bag body, and a scale is fixedly connected to the top end of the front side of the thermometer.

[0019] As a further description of the above technical solution:

[0020] The inner wall of the bag body is provided with a plastic film, and the plastic film is made of waterproof material.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the vacuum insulation box utilizes the insulation principle of the vacuum environment to effectively reduce the influence of external heat on the internal temperature. The replaceable ice bars in the fixed block can be quickly cooled and easy to replace. The user only needs to put the food in a paper bag and then put the ice bars in the fixed block to achieve rapid refrigeration, providing users with a more environmentally friendly refrigeration option.

[0023] 2. In the utility model, a rotating ring is used as a bridge connecting the bag body and the rotating plastic part, and the middle part of the inner wall is reinforced by reinforcing ribs to ensure that the paper bag is not easily deformed when bearing weight. The sponge pad arranged on the inner top wall of the handle and the bottom end thereof are provided with finger engaging grooves, so that the user's fingers can be more stably embedded therein, thereby improving the stability and safety of the grip, and improving the comfort and stability of the user's lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front view of a portable paper bag for freezing and refrigeration proposed by the utility model;

[0025] Figure 2 A three-dimensional diagram of a portable paper bag for freezing and refrigeration proposed by the utility model;

[0026] Figure 3 A top view of a portable paper bag for freezing and refrigeration proposed by the utility model;

[0027] Figure 4 This is a structural disassembly diagram of a tension spring for a portable paper bag for freezing and refrigeration proposed by the utility model;

[0028] Figure 5 The utility model is a schematic structural diagram of a rotating ring of a portable paper bag for freezing and refrigeration.

[0029] Legend:

[0030] 1. Bag body; 2. Lifting device; 201. Rotating ring; 202. Reinforcing ribs; 203. Rotating plastic part; 204. Handle; 205. Sponge pad; 206. Finger engagement groove; 3. Bottom plate; 4. Spring cover; 5. Tension spring; 6. Spring groove; 7. Vacuum insulation box; 8. Fixed block; 9. Replaceable ice bar; 10. Fixed ring; 11. Insulation cotton; 12. Rubber sheet; 13. Sealing strip; 14. Insulation cotton; 15. Zipper; 16. Slider; 17. Folding mark; 18. Anti-collision corner; 19. Thermometer; 20. Ruler; 21. Plastic film. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 2 , Figure 3 and Figure 4, the utility model provides an embodiment: a portable paper bag for freezing and refrigeration, comprising a bag body 1, the inner bottom wall of the bag body 1 is fixedly connected with a bottom plate 3, the four corners of the top wall of the bottom plate 3 are fixedly connected with spring covers 4, the inner walls of multiple spring covers 4 are slidably connected with spring grooves 6, the inner top walls of multiple spring grooves 6 are fixedly connected with tension springs 5, the bottom ends of multiple tension springs 5 ​​are fixedly connected to the inner bottom walls of multiple spring covers 4, the top walls of multiple spring grooves 6 are fixedly connected with a vacuum insulation box 7, the front and rear sides of the inner bottom wall of the vacuum insulation box 7 are fixedly connected with multiple fixed blocks 8, the inner walls of multiple fixed blocks 8 are fixedly connected with replaceable ice bars 9, the middle and upper parts of the outer walls of multiple replaceable ice bars 9 are slidably connected with fixing rings 10, the middle part of the inner bottom wall of the vacuum insulation box 7 is fixedly connected with two insulation cottons 11, and the front and rear top ends of the bag body 1 are provided with lifting devices 2;

[0033] Specifically, the bag body 1, as the main body of the entire design, is light and easy to carry. The bottom plate 3 fixed by the inner bottom wall provides a stable foundation for the entire refrigeration system. The four corners of the bottom plate 3 are fixedly connected with a spring cover 4. A spring groove 6 is arranged inside the spring cover 4. The tension spring 5 installed in the groove provides a certain elastic support for the entire paper bag, ensuring that there is a certain distance between the food and the ground where the paper bag is placed. The vacuum insulation box 7 above the spring groove 6 is the key to maintaining the refrigeration effect. The insulation principle of the vacuum environment is used to effectively reduce the influence of external heat on the internal temperature. The fixed block 8 in the box is used to fix the replaceable ice bars 9. These ice bars are made of special materials. The paper bag is made of high quality, can cool quickly and is easy to replace. The fixed ring 10 design on the outer wall of the ice bar ensures the stable placement of the ice bar and avoids the contamination caused by the direct contact of the ice bar with the food. Two thermal insulation cottons 11 are also provided in the middle of the vacuum insulation box 7, which can further reduce the heat transfer and improve the refrigeration effect. The working principle of the whole system is simple and efficient. Users only need to put the food into the paper bag and then put the ice bar into the fixed block 8 to achieve rapid refrigeration. This portable paper bag not only has an excellent refrigeration effect, but also pays attention to environmental protection and sustainability. The bag body 1 is made of recyclable paper material, and the ice bar can also be reused, providing users with a more environmentally friendly refrigeration option.

[0034] Reference Figure 1 and Figure 5 The lifting device 2 includes a rotating ring 201, a plurality of rotating rings 201 are fixedly connected to the middle of the inner wall with a reinforcing rib 202, a plurality of rotating rings 201 are rotatably connected to the front and rear sides of the inner wall with a rotating plastic part 203, a plurality of rotating plastic parts 203 are fixedly connected to the top with a handle 204, the inner top walls of the two handles 204 are fixedly connected with a sponge pad 205, and the bottom ends of the two sponge pads 205 are provided with a finger engagement groove 206;

[0035] Specifically, the rotating ring 201 serves as a bridge connecting the bag body 1 and the rotating plastic part 203. The middle part of the inner wall is reinforced by the reinforcing rib 202 to ensure that the paper bag is not easily deformed when bearing weight. The rotating plastic part 203 is used to connect the handle 204 and the bag body 1, while increasing the distance between the handle 204 and the paper bag, reducing the friction between the hand and the paper bag. The handle 204 is fixed to the top of the rotating plastic part 203 for the convenience of the user to grasp. The sponge pad 205 arranged on the inner top wall not only increases the comfort of holding, but also further reduces the pressure on the hand through its soft characteristics. A finger engagement groove 206 is provided at the bottom, so that the user's fingers can be more stably embedded therein, thereby improving the stability and safety of gripping. When the user lifts the paper bag, the fingers naturally engage with the finger engagement groove 206. The softness of the sponge pad 205 ensures a comfortable fit between the hand and the paper bag. The rotating design of the rotating ring 201 and the rotating plastic part 203 makes the objects inside the paper bag more stable when the user carries the paper bag, so as to adapt to different hand postures and strengths when walking, thereby improving the comfort and stability of the user's lifting, and making the paper bag more suitable for carrying frozen and refrigerated items.

[0036] Reference Figure 1 and Figure 3 A rubber sheet 12 is fixedly connected to the middle of the inner wall of the bag body 1, and two sealing strips 13 are fixedly connected to the inner wall of the rubber sheet 12, and the front sides of the two sealing strips 13 are meshed and connected with the rear sides of the two sealing strips 13; the front and rear sides of the inner wall of the bag body 1 are fixedly connected with heat insulation cotton 14, and a zipper 15 is fixedly connected between the two adjacent heat insulation cottons 14, and a slider 16 is meshed and connected to the inner wall of the zipper 15; the left side of the bag body 1 and the right side of the bag body 1 are both provided with folding marks 17;

[0037] Specifically, the design of the rubber sheet 12 and the two sealing strips 13 inside the paper bag ensures the sealing of the paper bag. The sealing strips 13 can be tightly meshed together, effectively preventing the leakage of cold air and the entry of external heat, thereby maintaining the low temperature of the items in the bag. The insulation cotton 14 provides a good insulation effect for the paper bag, and forms a switch function through the zipper 15 and the pull head 16, further ensuring the temperature stability of the items in the bag. The folding marks 17 set on the left and right sides of the paper bag allow the paper bag to be folded into a smaller volume when not in use, which is convenient for carrying and storage.

[0038] Reference Figure 1 and Figure 2 The four corners of the bottom wall of the bag body 1 are fixedly connected with anti-collision corners 18, and the multiple anti-collision corners 18 are made of rubber; the front side of the bag body 1 is fixedly connected with a thermometer 19, and the top of the front side of the thermometer 19 is fixedly connected with a scale 20; the inner wall of the bag body 1 is provided with a plastic film 21, and the plastic film 21 is made of waterproof material;

[0039] Specifically, the anti-collision corner 18 is made of rubber material, which can reduce direct contact with the ground or other objects when the paper bag is placed or moved, thereby preventing the paper bag from being damaged or deformed due to collision, ensuring the durability and service life of the paper bag. The thermometer 19 fixedly connected to the front side of the paper bag can monitor the temperature inside the paper bag in real time. The user can understand whether the ambient temperature inside the paper bag is suitable for storing frozen or refrigerated items by observing the scale 20 on the thermometer 19. The plastic film 21 arranged on the inner wall of the paper bag can effectively prevent moisture from entering the paper bag, ensuring the dryness of the internal environment of the paper bag, thereby avoiding moisture and deterioration of the stored items.

[0040] Working principle: The bag body 1 is the main body of the whole design, which is light and easy to carry. The bottom plate 3 fixed by the inner bottom wall provides a stable foundation for the whole refrigeration system. The four corners of the bottom plate 3 are fixedly connected with spring covers 4. The spring cover 4 is provided with spring grooves 6 inside. The tension springs 5 ​​installed in the grooves provide a certain elastic support for the whole paper bag, ensuring a certain distance between the food and the ground where the paper bag is placed. The vacuum insulation box 7 above the spring groove 6 is the key to maintaining the refrigeration effect. It uses the insulation principle of the vacuum environment to effectively reduce the external heat. In order to avoid the influence of internal temperature, the fixed blocks 8 in the box are used to fix the replaceable ice bars 9. These ice bars are made of special materials, can be cooled quickly and are easy to replace. The fixing ring 10 on the outer wall of the ice bar ensures the stable placement of the ice bar and avoids the contamination that may be caused by the direct contact of the ice bar with the food. Two thermal insulation cottons 11 are also provided in the middle of the vacuum insulation box 7, which can further reduce the transfer of heat and improve the refrigeration effect. The working principle of the whole system is simple and efficient. Users only need to put the food in a paper bag and then put the ice bar in the fixed block 8 to achieve rapid refrigeration.

[0041] The rotating ring 201 is used as a bridge to connect the bag body 1 and the rotating plastic part 203. The middle part of the inner wall is reinforced by the reinforcing rib 202 to ensure that the paper bag is not easily deformed when bearing weight. The rotating plastic part 203 is used to connect the handle 204 and the bag body 1, and at the same time increase the distance between the handle 204 and the paper bag to reduce the friction between the hand and the paper bag. The handle 204 is fixed to the top of the rotating plastic part 203 for the convenience of the user to grasp. The sponge pad 205 arranged on the inner top wall not only increases the comfort of holding, but also further increases the comfort of holding through its soft characteristics. The pressure on the hands is reduced. A finger engagement groove 206 is provided at the bottom end of the sponge pad 205, so that the user's fingers can be more stably embedded therein, thereby improving the stability and safety of grasping. When the user lifts the paper bag, the fingers naturally engage in the finger engagement groove 206. The softness of the sponge pad 205 ensures a comfortable fit between the hand and the paper bag. The rotating design of the rotating ring 201 and the rotating plastic part 203 makes the objects inside the paper bag more stable when the user carries the paper bag, so as to adapt to different hand postures and strengths when walking.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable paper bag for freezing and refrigeration, comprising a bag body (1), characterized in that: The inner bottom wall of the bag body (1) is fixedly connected to a bottom plate (3), the top wall of the bottom plate (3) is fixedly connected to spring covers (4) at four corners, the inner walls of the plurality of spring covers (4) are slidably connected to spring grooves (6), the inner top walls of the plurality of spring grooves (6) are fixedly connected to tension springs (5), the bottom ends of the plurality of tension springs (5) are fixedly connected to the inner bottom walls of the plurality of spring covers (4), the top walls of the plurality of spring grooves (6) are fixedly connected to a vacuum insulation box (7), and the vacuum insulation box The front and rear sides of the inner bottom wall of the bag body (7) are fixedly connected with a plurality of fixed blocks (8), the inner walls of the plurality of fixed blocks (8) are fixedly connected with replaceable ice bars (9), the middle and upper parts of the outer walls of the plurality of replaceable ice bars (9) are slidably connected with fixed rings (10), the middle part of the inner bottom wall of the vacuum insulation box (7) is fixedly connected with two heat-insulating cottons (11), and the top ends of the front and rear sides of the bag body (1) are provided with lifting devices (2), and the lifting devices (2) are used to make the part where the fingers fit the paper bag more comfortable during the lifting process.

2. A portable paper bag for freezing and refrigeration according to claim 1, characterized in that: The lifting device (2) comprises a rotating ring (201), the middle part of the inner wall of each of the rotating rings (201) is fixedly connected with a reinforcing rib (202), the front and rear sides of the inner walls of each of the rotating rings (201) are rotatably connected with a rotating plastic part (203), the top ends of each of the rotating plastic parts (203) are fixedly connected with a handle (204), the inner top walls of the two handles (204) are fixedly connected with a sponge pad (205), and the bottom ends of the two sponge pads (205) are provided with a finger engagement groove (206).

3. A portable paper bag for freezing and refrigeration according to claim 1, characterized in that: A rubber sheet (12) is fixedly connected to the middle of the inner wall of the bag body (1), and two sealing strips (13) are fixedly connected to the inner wall of the rubber sheet (12), and the front sides of the two sealing strips (13) are meshedly connected with the rear sides of the two sealing strips (13).

4. A portable paper bag for freezing and refrigeration according to claim 1, characterized in that: The front and rear sides of the inner wall of the bag body (1) are fixedly connected with heat insulation cotton (14), and a zipper (15) is fixedly connected between two adjacent heat insulation cottons (14), and the inner wall of the zipper (15) is meshedly connected with a slider (16).

5. A portable paper bag for freezing and refrigeration according to claim 1, characterized in that: The left side of the bag body (1) and the right side of the bag body (1) are both provided with folding marks (17).

6. A portable paper bag for freezing and refrigeration according to claim 1, characterized in that: Anti-collision corners (18) are fixedly connected to the four corners of the bottom wall of the bag body (1), and the plurality of anti-collision corners (18) are all made of rubber.

7. A portable paper bag for freezing and refrigeration according to claim 1, characterized in that: A thermometer (19) is fixedly connected to the front side of the bag body (1), and a scale (20) is fixedly connected to the top end of the front side of the thermometer (19).

8. A portable paper bag for freezing and refrigeration according to claim 1, characterized in that: The inner wall of the bag body (1) is provided with a plastic film (21), and the plastic film (21) is made of waterproof material.

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