Leakage-proof food packaging bag

Abstract

The utility model discloses a leakproof food packaging bag, which belongs to the technical field of food packaging, and comprises an outer package, a sealing cover plate, a first buffer air bag and an inflating assembly, and the inflating air bag inflates air into the first buffer air bag by pressing two side pressing blocks in the inflating assembly. The expansion degree of the first buffering air bag can be controlled according to the volume of food through repeated pressing, then the situation that the food shakes at the inwards-concave position of the first buffering air bag in the transportation process, and consequently the inner package is damaged can be prevented, and the first connector and the second connector are connected in an inserted mode when the sealing cover plate is closed; the sealing cover plate is arranged in the air inflation assembly, so that the sealing cover plate can be inflated when the air inflation assembly is used for inflating, the sealing cover plate can be relatively fixed by buckling a son buckle and a mother buckle in the locking assembly, food in the sealing cover plate can be protected, and the son buckle and the mother buckle can be buckled more conveniently through a connecting belt.

Description

Technical Field

[0001] The utility model belongs to the technical field of food packaging, and in particular relates to a leak-proof food packaging bag. Background Art

[0002] Food packaging is an integral part of food commodities and one of the main projects in the food industry. It protects food and prevents it from being damaged by biological, chemical, and physical external factors during its circulation from the factory to the hands of consumers. It also has the function of maintaining the stable quality of the food itself. It facilitates the consumption of food and is the first to show the appearance of food and attract consumers. It has value beyond material cost. Therefore, the food packaging process is also an inseparable part of the food manufacturing system engineering.

[0003] During the transportation of food, it is easy for the food packaging bag to be damaged, causing the food inside to leak out. In order to prevent this phenomenon from happening, it is necessary to perform shock absorption on the food during transportation. For example, Chinese utility model patent CN 221252314U discloses a leak-proof food packaging bag, including an outer packaging and an inner packaging, wherein the inner packaging includes a base layer, an outer functional layer and an inner functional layer, the base layer includes an OPP film layer and a CPP film layer, the outer functional layer includes a high-strength nano coating and a nano waterproof coating, and the inner functional layer includes an antimicrobial plastic film layer and a polyester film layer. The leak-proof food packaging bag is provided with a base layer including an OPP film layer and a CPP film layer and an inner functional layer including an antimicrobial plastic film layer and a polyester film layer, which effectively improves the strength of the inner packaging, thereby preventing the inner packaging from being damaged by external influences and causing leakage of the contents, thereby solving the problem that the existing food packaging bags have an unsatisfactory leak-proof effect when in use, are easily damaged by various external factors during transportation or carrying, and then cause leakage of the contents, making it inconvenient for people to use.

[0004] Although the above-mentioned prior art can cushion the food inside during food transportation, the spring can easily puncture the inner packaging during the stretching process, and the inner packaging cannot be taken out from the inside of the outer packaging, which is limited to the food placed inside the inner packaging. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] In order to solve the problem proposed in the above background technology that the spring easily punctures the inner packaging during the stretching process, and the inner packaging cannot be taken out from the inside of the outer packaging, and thus there are limitations on the food placed inside the inner packaging, the present utility model adopts the following technical solution.

[0007] A leak-proof food packaging bag includes an outer packaging, an outer wall of the outer packaging is provided with an opening, a mounting notch is provided on one side of the outer packaging at the opening, a sealing cover is rotatably connected to the inside of the mounting notch, the sealing cover is detachably connected to a second buffer airbag near the outer wall of the outer packaging, the inside of the outer packaging is detachably connected to a first buffer airbag, the first buffer airbag is concave at the opening of the outer packaging, an inflation component is installed on the outer wall of the outer packaging, the inflation component inflates the inside of the first buffer airbag, a locking component is installed on the sealing cover and the first buffer airbag, and the locking component fixes the sealing cover and the outer packaging relatively.

[0008] Preferably, the outer wall of the sealing cover plate is fixedly connected with a plug-in protrusion, and the inner wall of the outer packaging near the opening is provided with a plug-in groove. The outer wall of the first buffer airbag located at the plug-in groove is detachably connected with the second connector, and the plug-in protrusion is detachably connected with the first connector. The first connector is connected to the second buffer airbag, and the second connector is connected to the first buffer airbag.

[0009] Preferably, a sealing rubber sleeve is provided on the outside of the first connecting head, and the sealing rubber sleeve is sleeved on the outer wall of the second connecting head.

[0010] Preferably, a connecting tube is fixedly connected to the first buffer airbag, the connecting tube penetrates the outer packaging, and a sealing cap is threadedly connected to the penetrating end of the connecting tube.

[0011] Preferably, the locking assembly includes a connecting belt, a sub-buckle and a female buckle. The outer wall of the sealing cover plate is rotatably connected to the connecting belt, the end of the connecting belt is detachably connected to the sub-buckle, and the outer wall of the outer packaging is detachably connected to the female buckle.

[0012] Preferably, the inflation component includes a pressing block, an air outlet pipe, an air inlet pipe, an inflatable airbag and a one-way valve. Inflatable airbags are embedded in the outer walls of both sides of the outer packaging. One end of the inflatable airbags on both sides is detachably connected to the air outlet pipe, which is connected to the first buffer airbag. The other end of the inflatable airbag is detachably connected to the air inlet pipe, which passes through the outer wall of the outer packaging. One-way valves are installed on the air outlet pipe and the air inlet pipe. The one-way valve on the air outlet pipe opens when the inflatable airbag is pressed, and the one-way valve on the air inlet pipe opens when the inflatable airbag is reset.

[0013] Preferably, outer walls of the inflatable airbags on both sides are fixedly connected with pressing blocks that pass through the outer packaging.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. By pressing the pressing blocks on both sides of the inflation assembly, the inflatable airbag fills air into the interior of the first cushioning airbag. Repeated pressing can control the expansion degree of the first cushioning airbag according to the volume of the food, thereby preventing the food from shaking in the concave part of the first cushioning airbag during transportation and causing damage to the inner packaging.

[0016] 2. By providing the first connector and the second connector, when the sealing cover is closed, the first connector is plugged and connected with the second connector, so that when the sealing cover is inflated through the inflation assembly, the sealing cover can also be inflated.

[0017] 3. Through the provided connecting tube and sealing cap, the gas inside the first buffer airbag and the second buffer airbag can be released by unscrewing the sealing cap, and refrigeration items such as ice water, or heating items such as hot water can be poured into the first buffer airbag and the sealing cover through the connecting tube, and then filling can be carried out according to the needs of the packaged food, thereby keeping the food warm.

[0018] 4. The sealing cover can be relatively fixed by fastening the sub-buckle and the female buckle in the locking assembly, thereby protecting the food inside. The sub-buckle and the female buckle can be fastened more conveniently through the connecting belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a leak-proof food packaging bag in the present utility model;

[0020] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0021] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0022] Figure 4 This is a schematic diagram of the sealing cap structure in the utility model;

[0023] Figure 5 This is a schematic diagram of the inflatable airbag structure of the utility model.

[0024] The corresponding relationship between the illustration labels and component names in the figure is as follows:

[0025] 100, outer packaging; 101, sealing cover; 102, connecting belt; 103, male buckle; 104, female buckle; 105, installation notch;

[0026] 200. First cushion airbag; 201. Second cushion airbag; 202. First connector; 203. Sealing rubber sleeve; 204. Insertion protrusion; 205. Second connector; 206. Insertion groove; 207. Sealing cap; 208. Pressing block; 209. Exhaust pipe; 210. Inlet pipe; 211. Inflatable airbag. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0030] like Figure 1 as well as Figure 4 As shown, it is a schematic diagram of the structure of a leak-proof food packaging bag in a preferred embodiment of the present invention. The leak-proof food packaging bag in this embodiment includes an outer packaging 100. The outer wall of the outer packaging 100 is provided with an opening. The inner part of the outer packaging 100 is detachably connected to a first cushioning airbag 200. The first cushioning airbag 200 is located in the concave part of the opening of the outer packaging 100. The outer packaging 100 is provided with a mounting notch 105 on one side of the opening. The inner part of the mounting notch 105 is rotatably connected to a sealing cover plate 101. The sealing cover plate 101 is detachably connected to the outer wall of the outer packaging 100. Buffer airbag 201, put the food into the inner packaging bag and put it into the inner concave part of the first buffer airbag 200. In this embodiment, the inner packaging bag can be protected by the cooperation of the first buffer airbag 200 and the sealing cover plate 101, and the expansion of the first buffer airbag 200 and the second buffer airbag 201 can be adjusted according to the volume of the food inside the inner packaging, so that the inner wall of the first buffer airbag 200 can contact the inner packaging regardless of the size of the food, thereby preventing the inner packaging from shaking inside the first buffer airbag 200 during transportation and causing damage.

[0031] like Figure 1As shown, in order to fix the sealing cover 101 to the outer packaging 100, in this embodiment, the outer wall of the sealing cover 101 is rotatably connected to a connecting belt 102, and the end of the connecting belt 102 is detachably connected to a sub-buckle 103, and the outer wall of the outer packaging 100 is detachably connected to a female buckle 104. In this embodiment, the sealing cover 101 can be relatively fixed by fastening the sub-buckle 103 with the female buckle 104, thereby protecting the food inside. The sub-buckle 103 can be more conveniently fastened with the female buckle 104 through the connecting belt 102.

[0032] It is worth noting that the above-mentioned connecting belt 102, sub-buckle 103 and mother buckle 104 are the locking components in this embodiment. The locking components include but are not limited to the connecting belt 102, sub-buckle 103 and mother buckle 104. As long as it is a component that can relatively fix the sealing cover plate 101 and the outer packaging 100, it can be applied to this embodiment.

[0033] like Figure 5 As shown, it is a schematic diagram of the inflatable airbag structure in this embodiment. Inflatable airbags 211 are embedded in the outer walls of both sides of the outer packaging 100. One end of the inflatable airbags 211 on both sides is detachably connected to an air outlet pipe 209, which is communicated with the first buffer airbag 200. The other end of the inflatable airbag 211 is detachably connected to an air inlet pipe 210. The air inlet pipe 210 passes through the outer wall of the outer packaging 100. One-way valves are installed on the air outlet pipe 209 and the air inlet pipe 210. The one-way valve on the air outlet pipe 209 presses the inflatable airbag 211. The one-way valve on the air inlet pipe 210 opens when the inflatable airbag 211 is reset. The outer walls of the inflatable airbags 211 on both sides are fixedly connected with pressing blocks 208 that pass through the outer packaging 100. In this embodiment, by pressing the pressing blocks 208 on both sides, the inflatable airbag 211 fills air into the interior of the first buffer airbag 200. Repeated pressing can control the expansion degree of the first buffer airbag 200 according to the volume of the food, thereby preventing the food from shaking in the concave part of the first buffer airbag 200 during transportation and causing damage to the inner packaging.

[0034] It is worth noting that the above-mentioned outlet pipe 209, air inlet pipe 210, inflatable airbag 211 and one-way valve are the inflation components in this embodiment. The inflation components include but are not limited to the outlet pipe 209, air inlet pipe 210, inflatable airbag 211 and one-way valve. As long as it is a component that can inflate the interior of the first buffer airbag 200, it can be used in this embodiment.

[0035] like Figure 2 as well as Figure 3As shown, the outer wall of the sealing cover 101 is fixedly connected with a plug-in protrusion 204, and the inner wall of the outer packaging 100 near the opening is provided with a plug-in groove 206. The outer wall of the first buffer airbag 200 located at the plug-in groove 206 is detachably connected with the second connector 205, and the plug-in protrusion 204 is detachably connected with the first connector 202. The first connector 202 is connected to the second buffer airbag 201, and the second connector 205 is connected to the first buffer airbag 200. In this embodiment, when the sealing cover 101 is closed, the first connector 202 is plugged and connected with the second connector 205, so that the sealing cover 101 can be inflated as well when inflated through the inflation assembly.

[0036] like Figure 2 As shown, a sealing rubber sleeve 203 is provided on the outside of the first connector 202, and the sealing rubber sleeve 203 is sleeved on the outer wall of the second connector 205. In this embodiment, the sealing rubber sleeve 203 can seal the connection between the first connector 202 and the second connector 205 to prevent air leakage.

[0037] like Figure 4 As shown, it is a schematic diagram of the sealing cap structure in this embodiment. A connecting tube is fixedly connected to the first buffer airbag 200, and the connecting tube penetrates the outer packaging 100. The penetrating end of the connecting tube is threadedly connected to the sealing cap 207. In this embodiment, the internal gas of the first buffer airbag 200 and the second buffer airbag 201 can be released by unscrewing the sealing cap 207, and refrigeration items such as ice water, or heating items such as hot water can be poured into the interior of the first buffer airbag 200 and the sealing cover plate 101 through the connecting tube, and then filling can be carried out according to the needs of the packaged food, thereby keeping the food warm.

[0038] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.

Claims

1. A leak-proof food packaging bag, comprising an outer packaging (100), wherein the outer wall of the outer packaging (100) is provided with an opening, a mounting notch (105) is provided on one side of the outer packaging (100) at the opening, and a sealing cover (101) is rotatably connected to the interior of the mounting notch (105), characterized in that: The sealing cover plate (101) is detachably connected to the outer wall of the outer packaging (100) with a second buffer airbag (201); the interior of the outer packaging (100) is detachably connected to the first buffer airbag (200); the first buffer airbag (200) is located inwardly of the opening of the outer packaging (100); an inflation component is installed on the outer wall of the outer packaging (100); the inflation component inflates the interior of the first buffer airbag (200); a locking component is installed on the sealing cover plate (101) and the first buffer airbag (200); the locking component fixes the sealing cover plate (101) and the outer packaging (100) relative to each other.

2. The leak-proof food packaging bag according to claim 1, characterized in that: The outer wall of the sealing cover plate (101) is fixedly connected with a plug-in protrusion (204); the inner wall of the outer package (100) near the opening is provided with a plug-in groove (206); the outer wall of the first buffer airbag (200) located at the plug-in groove (206) is detachably connected with a second connector (205); the plug-in protrusion (204) is detachably connected with a first connector (202); the first connector (202) is communicated with the second buffer airbag (201); and the second connector (205) is communicated with the first buffer airbag (200).

3. The leak-proof food packaging bag according to claim 2, characterized in that: A sealing rubber sleeve (203) is provided on the outside of the first connector (202), and the sealing rubber sleeve (203) is sleeved on the outer wall of the second connector (205).

4. The leak-proof food packaging bag according to claim 3, characterized in that: A connecting pipe is fixedly connected to the first buffer airbag (200), the connecting pipe penetrates the outer packaging (100), and a sealing cap (207) is threadedly connected to the penetrating end of the connecting pipe.

5. The leak-proof food packaging bag according to claim 4, characterized in that: The locking assembly comprises a connecting belt (102), a sub-buckle (103) and a female buckle (104); the outer wall of the sealing cover plate (101) is rotatably connected to the connecting belt (102); the end of the connecting belt (102) is detachably connected to the sub-buckle (103); and the outer wall of the outer packaging (100) is detachably connected to the female buckle (104).

6. The leak-proof food packaging bag according to claim 5, characterized in that: The inflatable component comprises a pressing block (208), an air outlet pipe (209), an air inlet pipe (210), an inflatable airbag (211) and a one-way valve. The inflatable airbags (211) are embedded in the outer walls of both sides of the outer packaging (100). One end of the inflatable airbags (211) on both sides is detachably connected to the air outlet pipe (209). The air outlet pipe (209) is communicated with the first buffer airbag (200). The other end of the inflatable airbag (211) is detachably connected to the air inlet pipe (210). The air inlet pipe (210) passes through the outer wall of the outer packaging (100). One-way valves are installed on the air outlet pipe (209) and the air inlet pipe (210). The one-way valve on the air outlet pipe (209) opens when the inflatable airbag (211) is pressed, and the one-way valve on the air inlet pipe (210) opens when the inflatable airbag (211) is reset.

7. The leak-proof food packaging bag according to claim 6, characterized in that: The outer walls of the inflatable airbags (211) on both sides are fixedly connected with pressing blocks (208) that pass through the outer packaging (100).

Images