CN113401487A

CN113401487A - Air leakage self-detection type packaging bag

Info

Publication number: CN113401487A
Application number: CN202110563624.4A
Authority: CN
Inventors: 高中彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-09-17

Abstract

The invention discloses a gas leakage self-detection type packaging bag, which belongs to the technical field of packaging bags, and can reasonably control the shape of a bag body through a shaping support rod, and a plurality of joint lines are arranged at the top end in the bag body, when the gas leakage phenomenon occurs at the top end of the bag body, the obvious collapse condition occurs in a gas leakage area due to the gas leakage, at the moment, the joint lines can also synchronously collapse along with the top end of the bag body, then self-moving detection balls inserted in the joint lines can automatically slide to the collapse area under the action of gravity, the locking of the gas leakage position is realized, the gas leakage position is communicated with the external environment through the gas leakage position, heat is released by heat sealing balls on the self-moving detection balls to heat, the self-moving detection balls are enabled to expand to cover the gas leakage position, meanwhile, glue is squeezed to release to bond the self-moving detection balls and the gas leakage position, so as to realize temporary sealing, compared with the existing packaging bag, the invention can lock and prompt the air leakage area and provide temporary sealing effect to protect food.

Description

Air leakage self-detection type packaging bag

Technical Field

The invention relates to the technical field of packaging bags, in particular to a gas leakage self-detection type packaging bag.

Background

The packaging bag is a bag for packaging various articles, so that the goods are convenient to transport and easy to store in the production flow process. Is widely used in daily life and industrial production. Actual figures show that 80% of used plastic bags are finally transported to a garbage piling field area for treatment like ordinary garbage, and only seven percent of the plastic is recycled.

The packaging material has the advantages of improving air permeability, moisture permeability, oil resistance, water resistance and chemical resistance of the packaging material by compounding various materials with different characteristics, exerting the isolation of insect prevention, dust prevention, microorganism prevention, light, aroma, odor and other odors, having better mechanical strength and processing applicability for heat resistance, cold resistance and impact resistance, and having good printing and decoration effects.

Sorting by form of package: three-edge sealing, yin-yang bag, middle sealing, pillow bag, five-edge sealing bag, eight-edge sealing bag, self-standing bag, zipper bag, straw bag, coiled material, and cover material

Classifying according to functions: high-negative diaphragm bag, boiling film bag, antistatic film bag, antibacterial film bag, antifogging film bag, vacuum bag, chemical-resistant film bag, deoxidizing packaging film bag, air-conditioning packaging film bag and the like

The materials are classified as follows: laser aluminized paper material, laser transfer paper material, paper composite material, aluminum composite material, plastic composite material, fabric composite material and the like.

The packaging bag is widely applied to daily life, the common packaging and sealing of food are realized, the food is prevented from being directly exposed to the external environment for a long time to cause deterioration and spoilage, but the packaging bag often has the phenomenon of scratching and air leakage in the processes of transportation, use and the like, once the packaging bag cannot be timely noticed, the air of the external environment in the long-time air leakage process can enter the packaging bag to cause deterioration and spoilage of the food, particularly, the packaging bag is less prone to being noticed under the condition that the air leakage area is small, and therefore the packaging bag still has certain defects in the sealing and sealing of the food.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a gas leakage self-detection type packaging bag, which can reasonably control the shape of a bag body through a shaping support rod, and is characterized in that a plurality of joint lines are arranged at the top end in the bag body, when the gas leakage phenomenon occurs at the top end of the bag body, the obvious collapse situation occurs in a gas leakage area due to the leakage of gas, at the moment, the joint lines can also collapse synchronously along with the top end of the bag body, then self-moving detection balls inserted in the joint lines can automatically slide to the collapse area under the action of gravity, the gas leakage position is locked, the gas leakage position is communicated with the external environment through the gas leakage position, the gas leakage position is heated by utilizing the oxygen in the air through the heat-sealing balls on the self-moving detection balls, the gas leakage position is covered by the expansion phenomenon of the self-moving detection balls, and meanwhile, glue is extruded and released to bond the self-moving detection balls and the gas leakage position, therefore, the temporary sealing is realized, compared with the existing packaging bag, the air leakage area can be locked and prompted, and meanwhile, the temporary sealing effect is provided to protect food.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a gas leakage self test formula wrapping bag, includes the bag body, bag body one end is connected with the opening, the equal fixedly connected with design vaulting pole in both ends about the bag is internal, and is a pair of be connected with many evenly distributed's laminating line between the design vaulting pole, wear to be equipped with on the laminating line from moving the inspection ball, from moving the inspection ball including storing up gluey hemisphere, counter weight hemisphere and inflation membrane, store up gluey hemisphere and connect in counter weight hemisphere upper end, the inflation membrane is connected in storing up gluey hemisphere upper end, inlay the heat-seal ball that is connected with a plurality of evenly distributed on the inflation membrane, it is connected with crowded glued membrane to store up gluey hemisphere the inner, be connected with between heat-seal ball and the crowded gluey membrane and move the rubber tube.

Further, store up gluey hemisphere upper end and be closed structure, it has liquid thermosetting to glue to store up to fill between gluey hemisphere and the crowded gluey membrane and glue, relies on to move the rubber tube after the inflation of inflation membrane to the effect of dragging of crowded gluey membrane, can extrude liquid thermosetting glue and release away through moving the rubber tube to the inflation membrane after the inflation of being convenient for bonds with the gas leakage department on the bag body, realizes interim sealed effect.

Further, it has the sodium bicarbonate powder to fill between expansion membrane and the glue storage hemisphere, the expansion membrane adopts airtight elastic material to make, and the sodium bicarbonate powder can show accelerated decomposition rate under the heated state, produces a large amount of carbon dioxide and opens to force the expansion membrane to take place the inflation action, and then fine and gas leakage department coordinates the shutoff, improves sealed effect.

Further, the diameter of counter weight hemisphere is greater than the diameter that stores up gluey hemisphere, counter weight hemisphere upper end has been seted up the annular and has been connect the silo, and stores up gluey hemisphere and be located the annular and connect the silo inboard, and the weight of counter weight hemisphere is greater than and stores up gluey hemisphere on the one hand and can guarantee that the inflation membrane is located the top all the time to reasonable gesture seals gas leakage department, even on the other hand liquid thermosetting glue the condition that excessive release appears, also can the landing to the annular connect the silo in by the collection, avoids causing the influence to the internal food of bag.

Further, the heat-seal ball is including going out gluey ball, interior self-heating ball and many heat conduction silk, interior self-heating ball is inlayed and is connected in the interior top of outer gluey ball, heat conduction silk evenly connects in on the self-heating ball, and the heat conduction silk runs through out gluey ball and extend to the inflation membrane inboard, go out and set up a plurality of evenly distributed's oozing material hole on the gluey ball, thereby interior self-heating ball reacts with the oxygen in the air after contacting external environment to release heat to through heat conduction silk to the inflation membrane heating, pull crowded glued membrane extrusion liquid thermosetting glue behind the inflation membrane inflation and get into going out gluey ball in, then release on the inflated inflation membrane through the oozing material hole.

Further, move the rubber tube and include outer elastic tube and interior acting as go-between, outer elastic tube connects outside gluey ball and stores up between gluey hemisphere, and stores up gluey hemisphere, outer elastic tube and go out to communicate in proper order between the gluey ball, interior acting as go-between is connected in between interior self-heating ball and the crowded gluey membrane, and outer elastic tube provides the migration passageway that liquid thermosetting glued, and interior acting as go-between then plays the effect of dragging crowded gluey membrane.

Further, it includes outer appearance shell, inertia inner core, self-heating stratum and many elasticity reset wire to hold the ball from the beginning, outer appearance shell upper end has been seted up and has been met the gas breach, the inertia inner core is located outer appearance shell inboard, self-heating stratum connects between outer appearance shell and inertia inner core, elasticity reset wire evenly inlays in self-heating stratum inner, when heat-seal ball wholly migrates to gas leakage department, because inertia reason inertia inner core can make a round trip to extrude self-heating stratum in outer appearance shell, the other end relaxes when extruding one end, the gaseous release of extrusion end goes out, external gas is absorbed to the relaxation end, can realize the effective exchange with the outside air at the in-process that relapses, guarantees the inside gas and absorbs the air rapidly after exhausting, guarantees with the reaction effect of oxygen in the air, improves heating effect and efficiency, elasticity reset wire plays the effect of improving elasticity, the inertia inner core can be ensured to vibrate at high frequency for a long time.

Furthermore, the self-heating layer is made of porous elastic heat conducting materials, nanometer reduced iron powder is distributed in the pores of the self-heating layer, the nanometer reduced iron powder can be dispersed, the nanometer reduced iron powder is prevented from being stacked together, the contact area of the nanometer reduced iron powder and air is reduced, the dispersed nanometer reduced iron powder can fully react with oxygen in the air, a large amount of heat is released, and the heat is conducted out through the self-heating layer and the outer shell.

Further, the bag internal filling is equipped with nitrogen gas, nitrogen gas volume accounts for bag initial volumetric 120 and gives other 150%, and nitrogen gas can effectively protect the food of the internal of bag, and nitrogen gas quantity suits simultaneously and can guarantee when the air leakage of bag, at first nitrogen gas is to external release, avoids the air from just entering into the internal of bag from the beginning, can support the difficult extrusion deformation of protection to the bag simultaneously, and the quantity leads to the air leakage time air to get into in a large number too little easily, and the quantity leads to the bag body to be scratched the air leakage more easily too big.

Further, bag body upper end is the plane, and bag body upper end is in tensile state this moment, and after bag body top gas leakage, the bag body is changed into lax state by tensile state to can change into comparatively obvious drawing by the plane, thereby guarantee that the self-moving ball can be smooth rapid migration to gas leakage department.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can reasonably control the shape of the bag body through the shaping support rod, and the plurality of bonding lines are arranged at the top end in the bag body, when the top end of the bag body is scratched to cause air leakage, the obvious collapse condition can occur in the air leakage area due to the air leakage, at the moment, the bonding lines can also synchronously collapse along with the top end of the bag body, then the self-moving detection balls inserted in the bonding lines can automatically slide to the collapse area under the action of gravity, the air leakage position is locked and communicated with the external environment through the air leakage position, the self-moving detection balls are heated by utilizing the chemical reaction of oxygen in the air and releasing heat through the heat-sealing balls on the self-moving detection balls, the self-moving detection balls are enabled to expand to cover the air leakage position, meanwhile, glue is extruded and released to bond the self-moving detection balls and the air leakage position, so as to realize temporary sealing, compared with the existing packaging bag, the invention can realize the locking and prompting of the air leakage area, while providing a temporary sealing effect to protect the food product.

(2) Store up gluey hemisphere upper end and be the closed structure, store up and to have liquid thermosetting to glue between hemisphere and the crowded gluey membrane and glue, rely on after the inflation membrane inflation to move the rubber tube to crowded gluey membrane drag the effect, can extrude liquid thermosetting and glue and release away through moving the rubber tube to the inflation membrane after the inflation of being convenient for bonds with the gas leakage department on the bag body, realizes interim sealed effect.

(3) The expansion film and the glue storage hemisphere are filled with sodium bicarbonate powder, the expansion film is made of airtight elastic materials, the sodium bicarbonate powder can obviously accelerate the decomposition rate under the heated state, a large amount of carbon dioxide is generated to force the expansion film to expand, and then the good air leakage part is matched with the plugging, so that the sealing effect is improved.

(4) The diameter of counter weight hemisphere is greater than the diameter that stores up gluey hemisphere, and counter weight hemisphere upper end has been seted up the annular and has been connect the silo, and it is inboard that the gluey hemisphere of storage is located the annular and connects the silo, and the weight of counter weight hemisphere is greater than the gluey hemisphere of storage and can guarantees that the inflation membrane is located the top all the time on the one hand to reasonable gesture seals gas leakage department, even on the other hand liquid thermosetting glue the condition that excessive release appears, also can the landing to the annular connect the silo in by the collection, avoid leading to the fact the influence to the internal food of bag.

(5) The heat-seal ball is including going out the gluey ball, interior self-heating ball and many heat conduction silk, connect in going out the interior top of gluey ball from the heat ball is inlayed to interior self-heating ball, heat conduction silk evenly connects in interior self-heating ball, and heat conduction silk runs through the gluey ball of going out and extends to the inflation membrane inboard, go out and set up a plurality of evenly distributed's infiltration material hole on the gluey ball, thereby interior self-heating ball contacts in the external environment back and oxygen emergence reaction in the air and releases the heat, and heat the inflation membrane through the heat conduction silk, pull crowded glued membrane extrusion liquid thermosetting after the inflation membrane inflation and glue and enter into the gluey ball of going out, then release on the inflated inflation membrane through the infiltration material hole.

(6) The glue moving pipe comprises an outer elastic pipe and an inner stay wire, the outer elastic pipe is connected between an outgoing glue ball and a glue storage hemisphere, the outer elastic pipe and the outgoing glue ball are sequentially communicated, the inner stay wire is connected between the inner self-heating ball and the glue squeezing film, the outer elastic pipe provides a liquid thermosetting glue moving channel, and the inner stay wire plays a role in pulling the glue squeezing film.

(7) The inner self-heating ball comprises an outer shell, an inertia inner core, a self-heating layer and a plurality of elastic reset wires, wherein the upper end of the outer shell is provided with an air-encountering notch, the inertia inner core is positioned at the inner side of the outer shell, the self-heating layer is connected between the outer shell and the inertia inner core, the elastic reset wires are uniformly embedded at the inner end of the self-heating layer, when the heat-sealing ball integrally moves to an air leakage position, the inertia inner core can extrude the self-heating layer back and forth in the outer shell due to inertia, when one end is extruded, the other end is released, the air at the extruding end is released, the releasing end absorbs the external air, effective exchange with the outside air can be realized at the in-process that relapses, guarantees to absorb the air rapidly behind the gas outgoing of inside, guarantees with the reaction effect of oxygen in the air, improves the effect and the efficiency of generating heat, and elasticity reset wire plays the effect that improves elasticity, guarantees that the inertia inner core can be long-time carry out high-frequency vibration.

(8) The self-heating layer is made of porous elastic heat conducting materials, nanometer reduced iron powder is distributed in the pores of the self-heating layer, the nanometer reduced iron powder can be dispersed, the nanometer reduced iron powder is prevented from being stacked together, the contact area of the nanometer reduced iron powder and air is reduced, the dispersed nanometer reduced iron powder can fully react with oxygen in the air, a large amount of heat is released, and the heat is conducted out through the self-heating layer and the outer shell.

(9) The bag body intussuseption is filled with nitrogen gas, and nitrogen gas volume accounts for bag body initial volumetric 120, and nitrogen gas can carry out effective protection to the food of the internal of bag, and nitrogen gas quantity suits simultaneously can guarantee when the bag body leaks gas, at first nitrogen gas is to external release, avoids the air to enter into the bag internal from the beginning, can support the difficult extrusion deformation of protection to the bag body simultaneously, and the quantity leads to the gas leakage when too little easy to get into in a large number, and the quantity is too big leads to the bag body to be lacerated gas leakage more easily.

(10) The bag body upper end is the plane, and bag body upper end is in tensile state this moment, and after bag body top gas leakage, the bag body is changed into lax state by tensile state to can change into comparatively obvious tensile by the plane, thereby guarantee that the migration that self-moving check ball can be smooth rapid to gas leakage department.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a cross-sectional view of the present invention in a normal state;

FIG. 3 is a schematic view of the present invention in a deflated state;

FIG. 4 is a schematic structural diagram of a self-moving inspection ball according to the present invention;

FIG. 5 is a cross-sectional view of a self-moving test ball according to the present invention;

FIG. 6 is a schematic structural view of a heat-sealed ball according to the present invention;

fig. 7 is a schematic structural view of an inner self-heating ball of the present invention.

The reference numbers in the figures illustrate:

the bag comprises a bag body 1, an opening 2, a gluing line 3, a sizing support rod 4, a self-moving inspection ball 5, a glue storage hemisphere 51, a counterweight hemisphere 52, an expansion film 53, a heat sealing ball 6, a glue outlet ball 61, a self-heating ball in the inner part 62, an outer containing shell 621, an inertia inner core 622, a self-heating layer 623, an elastic reset wire 624, a heat conducting wire 63, a glue moving pipe 7, an outer elastic pipe 71, an inner pull wire 72 and a glue extruding film 8.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a gas leakage self-detecting packaging bag comprises a bag body 1, wherein an opening 2 is connected to one end of the bag body 1, shaping support rods 4 are fixedly connected to the left end and the right end of the bag body 1, a plurality of uniformly distributed bonding lines 3 are connected between the shaping support rods 4, and self-moving detection balls 5 penetrate through the bonding lines 3.

The intussuseption of the bag body 1 is filled with nitrogen gas, nitrogen gas volume accounts for bag body 1 initial volumetric 120 and supplyes 150%, nitrogen gas can carry out effective protection to the food in the bag body 1, nitrogen gas quantity suits simultaneously and can guarantee when bag body 1 leaks gas, at first nitrogen gas is to external release, avoid the air from just entering into bag body 1 from the beginning, can support the difficult extrusion deformation of protection to bag body 1 simultaneously, the quantity leads to the gas leakage time gas to get into in a large number too seldom easily, the quantity leads to bag body 1 more easily to be lacerated and leaks gas excessively.

The upper end of the bag body 1 is a plane, the upper end of the bag body 1 is in a stretching state at the moment, and after the air leakage is carried out on the top end of the bag body 1, the bag body 1 is changed into a loosening state from the stretching state, so that the plane can be changed into obvious stretching, and the self-moving detection ball 5 can be smoothly and rapidly moved to the air leakage position.

Referring to fig. 4-5, the self-moving inspection ball 5 includes a glue storage hemisphere 51, a balance weight hemisphere 52 and an expansion film 53, the glue storage hemisphere 51 is connected to the upper end of the balance weight hemisphere 52, the expansion film 53 is connected to the upper end of the glue storage hemisphere 51, a plurality of heat-seal balls 6 are embedded and connected to the expansion film 53, the glue-squeezing film 8 is connected to the inner end of the glue storage hemisphere 51, and a glue-moving tube 7 is connected between the heat-seal balls 6 and the glue-squeezing film 8.

Store up gluey hemisphere 51 upper end and be closed structure, store up and to glue and fill between hemisphere 51 and the crowded glue film 8 and have liquid thermosetting glue, rely on moving rubber tube 7 to the effect of dragging of crowded glue film 8 after inflation membrane 53 expands, can extrude liquid thermosetting glue and go out through moving rubber tube 7 release to the inflation membrane 53 after the inflation of being convenient for bonds with the gas leakage department on the bag body 1, realizes interim sealed effect.

The expansion film 53 and store up and be filled with sodium bicarbonate powder between the gluey hemisphere 51, the expansion film 53 adopts airtight elastic material to make, and sodium bicarbonate powder can show accelerated decomposition rate under the heated state, produces a large amount of carbon dioxide and opens and force the expansion film 53 to take place the inflation action, and then fine and gas leakage department coordinates the shutoff, improves sealed effect.

The diameter of counter weight hemisphere 52 is greater than the diameter that stores up gluey hemisphere 51, counter weight hemisphere 52 upper end has been seted up the annular and has been connect the silo, and it is inboard that storage gluey hemisphere 51 is located the annular and connects the silo, on the one hand the weight of counter weight hemisphere 52 is greater than storage gluey hemisphere 51 and can guarantee that inflation membrane 53 is located the top all the time, seal up gas leakage department with reasonable gesture, even the excessive release's condition appears in liquid thermosetting glue on the other hand, also can the landing to the annular connect the silo in by collecting, avoid causing the influence to the food in the bag body 1.

Referring to fig. 6, the heat-sealing ball 6 includes an outgoing rubber ball 61, an internal self-heating ball 62 and a plurality of heat-conducting wires 63, the internal self-heating ball 62 is connected to the top end of the outgoing rubber ball 61 in an embedded manner, the heat-conducting wires 63 are uniformly connected to the internal self-heating ball 62, the heat-conducting wires 63 penetrate through the outgoing rubber ball 61 and extend to the inner side of the expansion film 53, a plurality of uniformly distributed seepage holes are formed in the outgoing rubber ball 61, the internal self-heating ball 62 reacts with oxygen in the air after contacting the external environment to release heat, the expansion film 53 is heated by the heat-conducting wires 63, the extrusion film 8 is pulled after the expansion film 53 expands to extrude the liquid thermosetting rubber to enter the outgoing rubber ball 61, and then the expanded expansion film 53 is released through the seepage holes.

The glue moving pipe 7 comprises an outer elastic pipe 71 and an inner pull wire 72, the outer elastic pipe 71 is connected between the outgoing glue ball 61 and the glue storage hemisphere 51, the outer elastic pipe 71 and the outgoing glue ball 61 are sequentially communicated, the inner pull wire 72 is connected between the inner self-heating ball 62 and the glue squeezing film 8, the outer elastic pipe 71 provides a migration channel of liquid thermosetting glue, and the inner pull wire 72 plays a role in pulling the glue squeezing film 8.

Referring to fig. 7, the inner self-heating ball 62 includes an outer casing 621, an inertia inner core 622, a self-heating layer 623 and a plurality of elastic reset wires 624, the upper end of the outer casing 621 is formed with an air-encountering notch, the inertia inner core 622 is located inside the outer casing 621, the self-heating layer 623 is connected between the outer casing 621 and the inertia inner core 622, the elastic reset wires 624 are uniformly embedded at the inner end of the self-heating layer 623, when the heat-sealing ball 6 integrally migrates to an air leakage position, the inertia inner core 622 can extrude the self-heating layer 623 back and forth inside the outer casing 621 due to inertia, when one end is extruded, the other end is released, the gas at the extruded end is released, the released end absorbs the outside gas, effective exchange with the outside air can be realized in repeated processes, the inside gas is ensured to absorb the air rapidly after being exhausted, the reaction effect with oxygen in the air is ensured, the heating effect and efficiency are improved, and the elastic reset wires 624 play a role in improving elasticity, ensuring that the inertial core 622 can vibrate at high frequencies for long periods of time.

The self-heating layer 623 is made of porous elastic heat-conducting materials, nano reduced iron powder is distributed in the pores of the self-heating layer 623, the nano reduced iron powder can be dispersed, the nano reduced iron powder is prevented from being stacked together, the contact area of the nano reduced iron powder and air is reduced, the dispersed nano reduced iron powder can fully react with oxygen in the air, a large amount of heat is released, and the heat is conducted out through the self-heating layer 623 and the outer shell 621.

The shape of the bag body 1 can be reasonably controlled through the shaping support rod 4, the plurality of gluing lines 3 are arranged at the inner top end of the bag body 1, when the top end of the bag body 1 is scratched and leaks, the obvious collapse condition of an air leakage area can occur due to the leakage of air, at the moment, the gluing lines 3 can also collapse synchronously along with the top end of the bag body 1, then the self-moving detection balls 5 inserted on the gluing lines 3 automatically slide to the collapse area under the action of gravity, the air leakage position is locked and is communicated with the external environment through the air leakage position, the self-moving detection balls 5 are heated by utilizing the chemical reaction of oxygen in the air and releasing heat through the heat-sealing balls 6 on the self-moving detection balls 5, the air leakage position is covered by the expansion phenomenon of the self-moving detection balls 5, and meanwhile, glue is extruded and released to bond the self-moving detection balls 5 and the air leakage position, so that the temporary sealing is realized, compared with the existing packaging bag, the invention can lock and prompt the air leakage area and provide temporary sealing effect to protect food.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a gas leakage self test formula wrapping bag, includes the bag body (1), bag body (1) one end is connected with opening (2), its characterized in that: the utility model discloses a bag body, including bag body (1), the equal fixedly connected with in both ends design vaulting pole (4) about, it is a pair of be connected with many evenly distributed's joint line (3) between design vaulting pole (4), wear to be equipped with self-moving inspection ball (5) on joint line (3), self-moving inspection ball (5) are including storing up gluey hemisphere (51), counter weight hemisphere (52) and inflation membrane (53), it connects in counter weight hemisphere (52) upper end to store up gluey hemisphere (51), inflation membrane (53) are connected in storing up gluey hemisphere (51) upper end, inlay on inflation membrane (53) and be connected with a plurality of evenly distributed's heat-seal ball (6), it is connected with crowded glued membrane (8) to store up gluey hemisphere (51) inner, be connected with between heat-seal ball (6) and crowded glued membrane (8) and move rubber tube (7).

2. The air leakage self-detecting packaging bag according to claim 1, wherein: the upper end of the glue storage hemisphere (51) is of a closed structure, and liquid thermosetting glue is filled between the glue storage hemisphere (51) and the glue squeezing film (8).

3. The air leakage self-detecting packaging bag according to claim 1, wherein: sodium bicarbonate powder is filled between the expansion film (53) and the glue storage hemisphere (51), and the expansion film (53) is made of airtight elastic material.

4. The air leakage self-detecting packaging bag according to claim 1, wherein: the diameter of the counterweight hemisphere (52) is larger than that of the glue storage hemisphere (51), an annular material receiving groove is formed in the upper end of the counterweight hemisphere (52), and the glue storage hemisphere (51) is located on the inner side of the annular material receiving groove.

5. The air leakage self-detecting packaging bag according to claim 1, wherein: the heat-seal ball (6) is including going out gluey ball (61), interior self-heating ball (62) and many heat conduction silk (63), interior self-heating ball (62) are inlayed and are connected in the interior top of going out gluey ball (61), heat conduction silk (63) evenly connect in on self-heating ball (62), and heat conduction silk (63) run through out gluey ball (61) and extend to inflation membrane (53) inboard, go out and set up a plurality of evenly distributed's oozing hole on gluey ball (61).

6. The air leakage self-detecting packaging bag according to claim 5, wherein: move rubber tube (7) including outer elastic tube (71) and interior stay wire (72), outer elastic tube (71) are connected outside gluey ball (61) and are stored up gluey between hemisphere (51), and store up gluey hemisphere (51), outer elastic tube (71) and go out to communicate in proper order between gluey ball (61), interior stay wire (72) are connected in interior from hot ball (62) and crowded glued membrane (8) between.

7. The air leakage self-detecting packaging bag according to claim 5, wherein: interior from hot ball (62) including outer appearance shell (621), inertia inner core (622), self-heating stratum (623) and many elasticity reset wire (624), outer appearance shell (621) upper end is seted up and is met the gas breach, inertia inner core (622) are located outer appearance shell (621) inboardly, connect between outer appearance shell (621) and inertia inner core (622) from hot stratum (623), elasticity reset wire (624) are evenly inlayed in self-heating stratum (623) inner.

8. The air leakage self-detecting packaging bag according to claim 7, wherein: the self-heating layer (623) is made of porous elastic heat conduction materials, and nano reduced iron powder is distributed in the pores of the self-heating layer (623).

9. The air leakage self-detecting packaging bag according to claim 1, wherein: the bag body (1) is filled with nitrogen, and the volume of the nitrogen accounts for 120 plus 150% of the initial volume of the bag body (1).

10. The air leakage self-detecting packaging bag according to claim 9, wherein: the upper end of the bag body (1) is a plane, and the upper end of the bag body (1) is in a stretching state at the moment.