CN115892674A - Agricultural product preservation device and using method thereof - Google Patents

Abstract

The invention belongs to the technical field of agricultural product preservation, and particularly relates to an agricultural product preservation device and a using method thereof, wherein the agricultural product preservation device comprises a bracket, an air cushion is arranged on the bottom surface in the bracket, fruit and vegetable products are placed on the air cushion, a fixed bag is placed above the fruit and vegetable products, and the brackets are stacked mutually; the fixing bag is extruded by the bracket positioned above, a fixing recess is formed in the side face, opposite to the air cushion, of the fixing bag, fruit and vegetable products are positioned in the fixing recess, and the fixing bag and the air bag extrude and fix the fruit and vegetable products; the agricultural product storage device is simple in structure, the quantity of agricultural products in the storage device can be increased under the condition that the agricultural products in the storage device are fully fixed, the space utilization rate of the storage device is improved, the freshness of the stored agricultural products is guaranteed by utilizing ice water and carbon dioxide, and the quality of the agricultural products is improved.

Description

Agricultural product preservation device and using method thereof

Technical Field

The invention belongs to the technical field of agricultural product preservation, and particularly relates to an agricultural product preservation device and a using method thereof.

Background

With the development of economy, the living standard of people is continuously improved, and the consumption of various fruits and fruit products is increased year by year. In addition to the increase in quantity, there is also a high demand for quality. In the process of transporting and storing agricultural products such as fruits and the like, the agricultural products such as the fruits and the like need to be better preserved, the quality of the agricultural products is ensured to be good when the agricultural products reach the hands of consumers, and the damage and the putrefaction of the agricultural products are avoided.

In the storage and transportation process of various fruits, the fruits and other agricultural products in the storage device are inevitably vibrated due to the influence of the external environment, so that the fruits collide and rub with each other, the agricultural products are further damaged and deteriorated, and the quality of the fruits and other agricultural products after storage is influenced; meanwhile, in some existing schemes, when agricultural products such as fruits are stored, in order to avoid contact between the fruits, gaps between the agricultural products in the storage device are increased, but the quantity of the agricultural products stored in the storage device is relatively small, the space utilization rate in the storage device is affected, the agricultural products placed in the storage device cannot be sufficiently fixed, relative friction still exists when the agricultural products are affected by external vibration, the surface of the agricultural products is damaged, and the storage effect of the agricultural products is affected.

Disclosure of Invention

In order to make up for the defects of the prior art, increase the quantity of agricultural products in the preservation device under the condition of fully fixing the agricultural products in the preservation device, improve the space utilization rate of the preservation device, ensure the freshness of the preserved agricultural products by utilizing ice water and carbon dioxide and improve the quality of the agricultural products, the invention provides the agricultural product preservation device and the using method thereof.

The technical scheme adopted by the invention for solving the technical problems is as follows: the agricultural product preservation device comprises brackets, wherein air cushions are mounted on the bottom surfaces in the brackets, fruit and vegetable products are placed on the air cushions, fixed bags are placed above the fruit and vegetable products, and the brackets are stacked mutually;

the fixed bag is extruded by the bracket positioned above, a fixed recess is formed in the side face, opposite to the air cushion, of the fixed bag, the fruit and vegetable products are positioned in the fixed recess, and the fixed bag and the air cushion extrude and fix the fruit and vegetable products.

Preferably, the fixed bag comprises an extrusion area and an expansion area, the extrusion area is distributed around the expansion area, the extrusion area and the expansion area are separated by a hot pressing mode, and the extrusion area is filled with gas;

the bracket extrudes an extrusion area on the fixed bag, gas enters an expansion area after the extrusion area is pressurized, and the expansion area is inflated to contact and fix the fruit and vegetable products.

Preferably, the bracket comprises a supporting plate and a frame, the air cushion and the fruit and vegetable products are placed on the supporting plate, and the upper surface and the lower surface of the frame are provided with mutually matched bulges and grooves;

the edge of the fixed bag is clamped between the protrusion and the groove on the stacking bracket, the adjacent brackets are stacked to enable the space on the bracket below to be in a relatively sealed state, and carbon dioxide gas is filled into the space on the bracket when the fruit and vegetable products are stored.

Preferably, the surface top in extrusion district covers there is the one deck silica gel layer, the middle-buried magnetic sheet that has in the silica gel layer, magnetic sheet thickness and area are less relatively and can not influence the deformation in extrusion district, the corresponding iron sheet of installing on the upper surface of frame, inter attraction between magnetic sheet and the iron sheet.

Preferably, the expansion area is formed by combining a plastic film and an elastic film, the elastic film has elasticity, the elastic film is in contact with the fruit and vegetable products, and the fixing groove on the fixing capsule is arranged on the elastic film.

Preferably, a partition is provided inside the fixed bladder, and the partition divides the compression region and the expansion region into a plurality of mutually independent regions.

Preferably, a cavity is formed in the frame, an inflation hole is formed in the frame, and a rubber plug is mounted on the inflation hole;

and a cold-keeping agent is filled in the frame, and the cold-keeping agent is preferably ice water at 0 ℃.

A method of using a produce containment device, the method of use being adapted for use with any one of the produce containment devices described above, the method of use comprising the steps of:

s1: ice-cold ice water is filled into the cavity in the frame from the filling hole, and then the air cushion is placed on the bracket, so that the air cushion is contacted with and tightly attached to the supporting plate on the bracket;

s2: the worker sequentially puts the fruit and vegetable products into the fixed recesses on the air cushion;

s3: covering the fixing bag on the fruit and vegetable product, enabling the fixing depressions on the fixing bag to be matched with the fruit and vegetable product, and enabling the magnetic sheets in the squeezing area on the fixing bag to be adsorbed on the iron sheets on the frame;

s4: the carriers are moved into a refrigeration house or a carriage, and the carriers are stacked one on another so as to temporarily store or transport the preserved fruit and vegetable products.

The invention has the following beneficial effects:

1. according to the agricultural product storage device and the using method thereof, the bracket, the fixing bag, the air cushion and the fixing recess are arranged, the fixing bag 3 and the air cushion 4 are used for sufficiently fixing the fruit and vegetable products 5, the fruit and vegetable products 5 are prevented from shaking in the storage and transportation processes, and the fruit and vegetable products 5 are prevented from colliding with each other or the surface of the relatively hard bracket 1, so that the fruit and vegetable products 5 are damaged, and the products of the fruit and vegetable products 5 are influenced.

2. According to the agricultural product preservation device and the using method thereof, the squeezing area, the expansion area, the plastic film and the elastic film are arranged, the brackets are stacked to squeeze the squeezing area, so that gas in the squeezing area is filled into the expansion area, the elastic film on the expansion area expands and deforms, and is attached to fruit and vegetable products, the fixing effect on the fruit and vegetable products is improved, and the elasticity of the elastic film is utilized to avoid that the surface hardness of the expansion area contacting with the fruit and vegetable products is relatively high due to the fact that the expansion area is completely prepared by the plastic film, the surface of the fruit and vegetable products is damaged, and the quality of the preserved fruit and vegetable products is reduced.

3. According to the agricultural product storage device and the using method thereof, the cavity and the rubber plug are arranged, ice water is filled in the cavity, so that the temperature of the whole bracket is relatively low, and the freshness of the fruit and vegetable products in storage is effectively ensured by matching with carbon dioxide filled in the space above the bracket, so that the quality reduction of the fruit and vegetable products after storage is avoided.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front elevational view of stacked agricultural product preservation apparatus of the present invention;

FIG. 2 is a schematic view of the stacked agricultural product preservation apparatus of the present invention;

FIG. 3 is a schematic structural view of the agricultural product preservation apparatus of the present invention;

FIG. 4 is a schematic view of the use of a stationary bladder in the produce preservation apparatus of the present invention;

FIG. 5 is a schematic view of a stationary bladder of the produce preservation apparatus of the present invention prior to use;

FIG. 6 is a cross-sectional view of a retaining bladder in the produce preservation apparatus of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 2 at A;

FIG. 8 is an enlarged view of a portion of FIG. 4 at B;

FIG. 9 is a flow chart of a method of the present invention;

in the figure: the fruit and vegetable packaging bag comprises a bracket 1, a supporting plate 2, a frame 21, a protrusion 211, a cavity 212, a rubber plug 213, a fixing bag 3, a squeezing area 31, a plastic film 32, an elastic film 33, a fixing recess 34, a partition plate 35, an air cushion 4 and fruit and vegetable products 5.

Detailed Description

The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.

As shown in fig. 1 to 9, the agricultural product preservation device of the present invention comprises a bracket 1, an air cushion 4 is installed on the bottom surface inside the bracket 1, the fruit and vegetable products 5 are placed on the air cushion 4, a fixing bag 3 is placed above the fruit and vegetable products 5, and the bracket 1 is stacked with each other;

the fixed bag 3 is extruded by the bracket 1 positioned above, a fixed recess 34 is arranged on the side surface of the fixed bag 3 opposite to the air cushion 4, the fruit and vegetable product 5 is positioned in the fixed recess 34, and the fixed bag 3 and the air bag extrude and fix the fruit and vegetable product 5;

when agricultural products need to be stored, workers place agricultural products to be stored, such as high-grade and easily damaged strawberry, mango, kiwi fruit, blueberry, mulberry and other fruit and vegetable products 5 on the bracket 1 one by one on the air cushion 4, the fruit and vegetable products 5 are lifted up to a certain degree through the air cushion 4, the fruit and vegetable products 5 are prevented from directly contacting the bottom of the bracket 1, and therefore the fruit and vegetable products 5 are damaged due to the gravity of the fruit and vegetable products 5 and the vibration generated when the workers move the bracket 1 in the storage process, meanwhile, after the workers place the fruit and vegetable products 5 on the bracket 1, the workers lay the fixing bags 3 above the fruit and vegetable products 5, and then when the brackets 1 are stacked mutually, the brackets 1 above extrude the fixing bags 3 on the bracket 1 below to a certain degree in the two adjacent brackets 1, make fixed bag 3 take place to warp, the upper portion of laminating fruit vegetables product 5, thereby utilize fixed bag 3 and air cushion 4 to carry out abundant fixed to fruit vegetables product 5, avoid fruit vegetables product 5 can not appear rocking in the in-process of preserving, transportation, and avoid fruit vegetables product 5 to collide each other or collide the relatively hard bracket 1 surface, lead to fruit vegetables product 5 to damage, influence the quality of fruit vegetables product 5, simultaneously, through setting up the fixed recess on fixed bag 3 and air cushion 4, can make things convenient for the staff to place fruit vegetables product 5 on air cushion 4, avoid the staff when putting fruit vegetables product 5, fruit vegetables product 5 can not keep the position in situ stable, roll easily, appear when leading to follow-up preservation appear between fruit vegetables product 5 mutual contact, the extruded condition, cause fruit vegetables product 5 to deteriorate and damage, simultaneously, can guarantee through the fixed recess that sets up at bracket 1 and pile up, when producing the extrusion to fixed bag 3, keep relatively stable between the fruit vegetables product 5 on the bracket 1, prevent that fruit vegetables product 5 from receiving fixed bag 3 contact, the extrusion and remove, lead to appearing mutual contact between the fruit vegetables product 5, the damage appears, and simultaneously, through the fixed recess that sets up, make fruit vegetables product 5's position relatively fixed, and then can reduce the interval between the fruit vegetables product 5 of placing on the bracket 1, make and to place more fruit vegetables product 5 on the bracket 1, improve bracket 1's space utilization.

As an embodiment of the present invention, the fixing bag 3 includes a squeezing area 31 and an expansion area, the squeezing area 31 is distributed around the expansion area, the squeezing area 31 and the expansion area are separated by a hot pressing method, and the squeezing area 31 is filled with gas;

the bracket 1 extrudes the extrusion area 31 on the fixed bag 3, the gas enters the expansion area after the extrusion area 31 is pressurized, and the expansion area contacts and fixes the fruit and vegetable products 5 after being inflated;

after the worker places the fixing bags 3 on the brackets 1, the expansion areas on the fixing bags 3 face the fruit and vegetable products 5 placed on the brackets 1, then after the workers stack the brackets 1 filled with the fruit and vegetable products 5, the extrusion areas 31 on the fixing bags 3 between two adjacent brackets 1 are extruded, so that the gas pressure in the extrusion areas 31 is increased, further, the isolation formed by a hot pressing mode between the extrusion areas 31 and the expansion areas is opened under the pressure effect, the gas in the extrusion areas 31 is filled into the expansion areas, so that the expansion areas are expanded, the fruit and vegetable products 5 are contacted and extruded by utilizing the expanded expansion areas, the fruit and vegetable products 5 are ensured to be fully fixed, the fruit and vegetable products 5 are prevented from shaking and colliding in storage and transportation, and meanwhile, the expanded expansion areas can be fully attached to the upper parts of the surfaces of the fruit and vegetable products 5, the fixing and storing effects of the fruit and vegetable products 5 are improved, the fruit and vegetable products 5 are prevented from shaking in storage and transportation, meanwhile, before the fixed bag 3 is used, the extrusion area 31 is in a bulged state, the expansion area is in a shriveled state, workers can conveniently take the fixed bag 3 and place the fixed bag 3 above the fruit and vegetable products 5, meanwhile, the bulged extrusion area 31 is positioned on the bracket 1, and the shriveled expansion area can sag and contact with the fruit and vegetable products 5, so that the workers can conveniently judge the matching condition between the fixed groove on the expansion area and the fruit and vegetable products 5, the fixed bag 3 is prevented from being only provided with the expansion area, when the fixed bag 3 is placed on the fruit and vegetable products 5, the workers are not easy to see the matching between the fixed groove on the fixed bag 3 and the fruit and vegetable products 5, the fruit and vegetable products 5 are crooked and deviated, the fixed bag 3 is prevented from being extruded by the bracket 1 positioned above, the fruit and vegetable products 5 which are inclined and deviated are adversely affected, and the preservation effect of the fruit and vegetable products 5 is affected.

As an embodiment of the invention, the bracket 1 comprises a supporting plate 2 and a frame 21, the air cushion 4 and the fruit and vegetable products 5 are placed on the supporting plate 2, and the upper surface and the lower surface of the frame 21 are provided with a protrusion 211 and a groove which are matched with each other;

the edge of the fixed bag 3 is clamped between the bulge 211 and the groove on the stacking bracket 1, the space on the bracket 1 below is in a relatively sealed state after the adjacent brackets 1 are stacked, and carbon dioxide gas is filled into the space on the bracket 1 when the fruit and vegetable products 5 are stored;

after the brackets 1 are stacked, the space on the bracket 1 below is sealed by the bottom of the bracket 1 above, and the fixing bag 3 between the two brackets 1 is extruded by the bracket 1 above to fill the gap between the two brackets 1, so that the space on the bracket 1 below is relatively sealed, carbon dioxide gas filled into the space on the bracket 1 when the fruit and vegetable products 5 are stored is stored in the space, the preservation effect of the carbon dioxide gas on the fruit and vegetable products 5 is utilized, the preservation effect of the fruit and vegetable products 5 is improved, and the quality of the preserved fruit and vegetable products 5 is improved;

meanwhile, because the relative mass of the carbon dioxide is greater than that of air, when the fruit and vegetable products 5 are placed on the bracket 1 by workers, the workers can release carbon dioxide gas towards the space on the bracket 1, the released carbon dioxide gas can be filled and sink into the space on the bracket 1, then the workers place the fixing bag 3 on the fruit and vegetable products 5, and the opening of the space on the bracket 1 is sealed by the fixing bag 3, so that the released carbon dioxide is prevented from dissipating;

meanwhile, through the protrusions 211 and the grooves arranged on the upper surface and the lower surface of the frame 21, after the brackets 1 are stacked mutually, the protrusions 211 and the grooves on two adjacent brackets 1 are matched with each other, the extrusion region 31 on the fixed bag 3 between the two protrusions is extruded, and the extrusion region 31 is clamped between the protrusions 211 and the grooves, so that the sealing performance of a gap between the adjacent brackets 1 is improved, and the phenomenon that the storage effect of the fruit and vegetable product 5 and the quality of the fruit and vegetable product 5 are influenced due to the dissipation of carbon dioxide filled into the space on the bracket 1 below is avoided.

As an embodiment of the present invention, a silica gel layer covers the surface of the extrusion region 31, a magnetic sheet is embedded in the silica gel layer, the thickness and the area of the magnetic sheet are relatively small, and the deformation of the extrusion region 31 is not affected, an iron sheet is correspondingly installed on the upper surface of the frame 21, and the magnetic sheet and the iron sheet are attracted to each other;

after the brackets 1 are stacked, the extrusion area 31 on the fixing bag 3 is positioned on the frame 21 of the bracket 1 and is extruded by the stacked brackets 1, and the gap between the stacked brackets 1 is filled through the silica gel layer covering the extrusion area 31, so that the sealing performance of the space on the lower bracket 1 is further improved, and the carbon dioxide released into the space on the brackets 1 is prevented from being dissipated;

meanwhile, because the friction force on the surface of the silica gel layer is relatively large, after the worker places the fixed bag 3 on the bracket 1, the silica gel layer contacts the upper surface of the frame 21, and the friction force between the silica gel layer and the upper surface of the frame 21 is utilized to avoid the sliding of the placed fixed bag 3 and influence on the position accuracy of the fixed bag 3; meanwhile, the magnetic sheets in the silica gel layer and the iron sheets on the upper surface of the frame 21 are mutually attracted, so that the positions of the fixing bags 3 placed on the bracket 1 can be relatively fixed to a certain extent, the phenomenon that when workers move and stack the bracket 1 with the fruit and vegetable products 5 placed on the bracket is avoided, the fixing bags 3 slide and slide from the bracket 1, the fixing and storing effects of the fixing bags 3 on the fruit and vegetable products 5 when the bracket 1 is stacked are influenced, meanwhile, the tightness of the space on the bracket 1 in the stacked bracket 1 can also be ensured, the carbon dioxide filled into the space on the bracket 1 is prevented from being dissipated, the storage of the fruit and vegetable products 5 is influenced, and the quality of the stored fruit and vegetable products 5 is reduced.

As an embodiment of the invention, the expansion area is obtained by combining a plastic film 32 and an elastic film 33, the elastic film 33 has elasticity, the elastic film 33 contacts the fruit and vegetable product 5, and the fixing groove on the fixing bag 3 is arranged on the elastic film 33;

after the gas in the extrusion area 31 is extruded to enter the expansion area, the plastic film 32 on the expansion area basically does not expand and deform, and the elastic film 33 on the expansion area expands and deforms, so that the elastic film 33 fills and adheres to gaps between fruit and vegetable products 5, further the fixing and storage effects of the fruit and vegetable products 5 are improved, and the quality of the stored fruit and vegetable products 5 is ensured, meanwhile, due to certain difference among fruit and vegetable products 5, even if the fruit and vegetable products 5 of the same grade are placed on the same bracket 1, the sizes and the shapes of different fruit and vegetable products 5 are changed in a fixed range, so that the fruit and vegetable products 5 on the bracket 1 are adhered and fixed through the elastic film 33 which is easy to elastically deform on the fixing bag 3, the fruit and vegetable products are adaptive to the difference between different fruit and vegetable products 5 in size and shape, the fixing and storage effects of the fruit and vegetable products 5 are ensured, the quality of the preserved fruit and vegetable products 5 is still good after being preserved, meanwhile, due to the elastic effect of the elastic film 33, the plastic film 32 can be prevented from being completely prepared in the expansion area, the expansion area which is contacted with the fruit and vegetable products 5, the expansion area, the surface of the fruit and vegetable products 5 are damaged slightly, and the damaged fruit and the damaged products are further caused, and the damaged of the damaged fruit and the damaged of the fruits and vegetables 5.

In one embodiment of the present invention, a partition 35 is disposed inside the fixed bag 3, and the partition 35 divides the compression region 31 and the expansion region into a plurality of independent regions;

because the elastic membrane 33 on the expansion area has elasticity and is relatively thin in thickness, when the fruit and vegetable products 5 are stored on the bracket 1, the expansion area is accidentally damaged and the elastic membrane 33 is damaged, the extrusion area 31 and the expansion area in the fixed bag 3 are divided into a plurality of mutually independent areas through the partition plate 35 arranged in the fixed bag 3, so that the phenomenon that the expansion area loses effect due to the fact that all gas in the expansion area escapes is avoided.

As an embodiment of the present invention, a cavity 212 is formed inside the frame 21, an access hole is formed on the frame 21, and a rubber stopper 213 is mounted on the access hole;

a cold-keeping agent is filled in the frame 21, and the cold-keeping agent is preferably ice water at 0 ℃;

when the fruit and vegetable products 5 stored in the bracket 1 are relatively small in size, such as blueberries and mulberries, after the fruit and vegetable products 5 are placed on the bracket 1 by workers, the total weight of the bracket 1 and the fruit and vegetable products 5 is relatively small, the stacked bracket 1 cannot sufficiently extrude the extrusion area 31 on the fixing bag 3, so that gas in the extrusion area 31 cannot be completely extruded into the expansion area, a relatively large gap exists between the brackets 1, the stacking stability of the bracket 1 is affected, meanwhile, the bracket 1 is prevented from being toppled over and affecting the storage of the fruit and vegetable products 5 by arranging the cavity 212 in the frame 21 and filling ice water in the cavity 212 as a cold-keeping agent, the weight of the bracket 1 is effectively increased, so that the bracket 1 can completely extrude the gas in the extrusion area 31 on the fixing bag 3 after being stacked, the stacked bracket 1 cannot have a large gap, the phenomenon that the bracket 1 is unstable after being stacked is avoided, the bracket 1 is prevented from toppling over and affecting the storage of the fruit and vegetable products 5, and the freshness of the fruit and vegetable products 5 is prevented from being deteriorated after being stored.

A method of using an agricultural product containment device, the method of use being adapted for use with an agricultural product containment device according to any one of the preceding claims, the method of use comprising the steps of:

s1: ice-cold ice water is filled into the cavity 212 in the frame 21 from the filling hole, and then the air cushion 4 is placed on the bracket 1, so that the air cushion 4 is contacted with and tightly attached to the supporting plate 2 on the bracket 1;

s2: the worker sequentially puts the fruit and vegetable products 5 into the fixed recesses 34 on the air cushion 4;

s3: covering the fixed bag 3 on the fruit and vegetable product 5, enabling the fixed concave 34 on the fixed bag 3 to be matched with the fruit and vegetable product 5, and enabling the magnetic sheet in the extrusion area 31 on the fixed bag 3 to be adsorbed on the iron sheet on the frame 21;

s4: the carriers 1 are moved into a refrigerator or a carriage, and the carriers 1 are stacked one on another so as to temporarily store or transport the preserved fruit and vegetable products 5.

The specific working process is as follows:

when agricultural products need to be stored, workers place the agricultural products to be stored, such as high-grade fruit and vegetable products 5 with thin skins and easy damage, such as strawberries, mangos, kiwifruits, blueberries, mulberries and the like, on the air cushions 4 on the brackets 1 one by one, meanwhile, after the fruit and vegetable products 5 are placed on the brackets 1 by the workers, the workers lay the fixing bags 3 above the fruit and vegetable products 5, and then when the brackets 1 are stacked mutually, the brackets 1 positioned above the two adjacent brackets 1 extrude the fixing bags 3 on the bracket 1 below the brackets 1 to a certain degree, so that the fixing bags 3 deform and are attached to the upper parts of the fruit and vegetable products 5, and the fruit and vegetable products 5 are fully fixed by the fixing bags 3 and the air cushions 4;

after the workers stack the brackets 1 filled with the fruit and vegetable products 5, the extrusion area 31 on the fixed bag 3 between two adjacent brackets 1 is extruded, so that the gas pressure in the extrusion area 31 is increased, the isolation formed by the hot pressing mode between the extrusion area 31 and the expansion area is opened under the action of pressure, the gas in the extrusion area 31 is filled into the expansion area, the expansion area is expanded, and the expanded expansion area is used for contacting and extruding the fruit and vegetable products 5;

after the brackets 1 are stacked, the space on the bracket 1 below is closed by the bottom of the bracket 1 above, and the fixing bag 3 between the two brackets 1 is pressed by the bracket 1 above to fill the gap between the two brackets 1, so as to ensure that the space on the bracket 1 below is relatively sealed;

after the brackets 1 are stacked, the pressing area 31 on the fixing bag 3 is positioned on the frame 21 of the bracket 1 and is pressed by the stacked brackets 1, and the gap between the stacked brackets 1 is filled through the silica gel layer covering the pressing area 31, so that the sealing performance of the space on the lower bracket 1 is further improved;

meanwhile, because the friction force on the surface of the silica gel layer is relatively large, after the worker places the fixing bag 3 on the bracket 1, the silica gel layer contacts the upper surface of the frame 21, and the friction force between the silica gel layer and the upper surface of the frame 21 is utilized to prevent the sliding of the placed fixing bag 3; meanwhile, the magnetic sheet in the silica gel layer and the iron sheet on the upper surface of the frame 21 are mutually attracted, so that the position of the fixing bag 3 placed on the bracket 1 can be relatively fixed to a certain extent;

after the gas in the extrusion area 31 is extruded into the expansion area, the plastic film 32 on the expansion area basically does not expand and deform, and the elastic film 33 on the expansion area expands and deforms, so that the elastic film 33 is filled and attached to gaps between the fruit and vegetable products 5, and the fixing and storing effects on the fruit and vegetable products 5 are further improved;

the compression region 31 and the expansion region inside the fixed bag 3 are divided into a plurality of mutually independent regions by a partition 35 provided inside the fixed bag 3;

by arranging the cavity 212 in the frame 21 and filling ice water in the cavity 212 as a cold-keeping agent, the weight of the bracket 1 is effectively increased, so that the bracket 1 can completely extrude gas in the extrusion area 31 on the fixed bag 3 after being stacked, a large gap is not formed between the stacked brackets 1, and meanwhile, the temperature of the whole bracket 1 is relatively low through the ice water filled in the cavity 212.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. An agricultural product preservation device, characterized in that: the fruit and vegetable packaging bag comprises a bracket (1), wherein an air cushion (4) is installed on the bottom surface in the bracket (1), fruit and vegetable products (5) are placed on the air cushion (4), a fixing bag (3) is placed above the fruit and vegetable products (5), and the brackets (1) are stacked mutually;

the fixed bag (3) is extruded by the bracket (1) positioned above, and the fixed bag (3) and the air bag extrude and fix the fruit and vegetable product (5).

2. The produce containment apparatus of claim 1, wherein: the fixed bag (3) comprises an extrusion area (31) and an expansion area, the extrusion area (31) and the expansion area are separated by a hot pressing mode, and gas is filled in the extrusion area (31);

the bracket (1) extrudes an extrusion area (31) on the fixed bag (3), and gas enters an expansion area after the extrusion area (31) is pressurized.

3. A produce containment apparatus according to claim 2, wherein: the bracket (1) comprises a supporting plate (2) and a frame (21), wherein the upper surface and the lower surface of the frame (21) are provided with a protrusion (211) and a groove which are matched with each other;

the edge of the fixed bag (3) is clamped between the protrusion (211) and the groove on the stacking bracket (1), and carbon dioxide gas is filled into the space on the bracket (1) when the fruit and vegetable products (5) are stored.

4. A produce containment apparatus according to claim 3, wherein: the utility model discloses a frame, including frame (21), the surface top in extrusion district (31) covers there is the one deck silica gel layer, the middle-buried magnetic sheet that has in the silica gel layer, the iron sheet is installed to the correspondence on the upper surface of frame (21), inter attraction between magnetic sheet and the iron sheet.

5. A produce containment apparatus according to claim 2, wherein: the expansion zone is obtained by combining a plastic film (32) and an elastic film (33), wherein the elastic film (33) has elasticity and the elastic film (33) contacts the fruit and vegetable product (5).

6. The produce containment apparatus of claim 5, wherein: the fixed bag (3) is internally provided with a partition plate (35), and the partition plate (35) divides the extrusion area (31) and the expansion area into a plurality of mutually independent areas.

7. A produce containment apparatus according to claim 3, wherein: a cavity (212) is formed in the frame (21), an inflation hole is formed in the frame (21), and a rubber plug (213) is mounted on the inflation hole;

the frame (21) is filled with a cold-keeping agent.

8. A method for using an agricultural product preservation device is characterized in that: the method of use adapted for use with an agricultural produce containment device of any one of claims 1 to 7, the method of use comprising the steps of:

s1: ice-cold ice water is filled into the cavity (212) in the frame (21) from the filling hole, and then the air cushion (4) is placed on the bracket (1) so that the air cushion (4) is contacted with and clings to the supporting plate (2) on the bracket (1);

s2: the workers sequentially place the fruit and vegetable products (5) in the fixed recesses (34) on the air cushion (4);

s3: covering the fixing bag (3) on the fruit and vegetable product (5), enabling the fixing depression (34) on the fixing bag (3) to be matched with the fruit and vegetable product (5), and enabling the magnetic sheet in the extrusion area (31) on the fixing bag (3) to be adsorbed on the iron sheet on the frame (21);

s4: the carriers (1) are moved into a refrigeration house or a carriage, and the carriers (1) are stacked with each other so as to temporarily store or transport the preserved fruit and vegetable products (5).

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