A chambered self-circulating cold chain transport box

Abstract

The present invention relates to the field of cold chain transportation devices, and specifically to a chambered self-circulating cold chain transportation box. The box comprises a box body, a placement plate is fixed in the box body, a first rectangular tube and a second rectangular tube connected to the box body are fixed in the box body above the placement plate, a fixing ring is detachably fixed and sealed at the lower end of the placement plate, an elastic bag is fixed at the lower end of the fixing ring, an inelastic outer bag is sleeved on the outer side of the elastic bag, a gap is provided between the outer bag and the elastic bag, a plurality of openings are provided at the lower end of the elastic bag, a first one-way valve is fixed in the opening, the first rectangular tube is connected to the elastic bag through the first gas channel in the box body, a second one-way valve is installed in the first gas channel, the second rectangular tube is connected to the outer bag through the second gas channel and a hose in the box body, and a third one-way valve is installed in the second gas channel. The present invention can realize the cooling and circulation of air, thereby realizing the effect of cooling and preserving the products above the placement plate.

Description

Technical Field

[0001] The present invention relates to the field of cold chain transport devices, and in particular to a chamber-type self-circulating cold chain transport box. Background Art

[0002] Most of the existing cold chain transport boxes are made of foam material and have a relatively simple structure. When in use, the ice bags will be directly mixed with the fresh products. Since the ice cubes have protruding edges and corners, it is easy to scratch the outer packaging of the fresh products during the bumpy ride of the delivery vehicle. In addition, when the ice bags cool the fresh products, they are in direct contact with the fresh products and absorb the heat of the fresh products through heat conduction. This method is inefficient, and since the contact area between the ice bags and the fresh products is limited, it is difficult to achieve all-round preservation and cooling of the fresh products, affecting the overall quality. Finally, since the ice bags will gradually melt after absorbing heat, ice water and condensed water tend to gather at the bottom of the foam box and cannot be removed, which can easily cause pollution to the fresh products. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a chambered self-circulating cold chain transport box which can realize contactless cooling transportation between the cold source and the transported product, avoid the contact of melted ice water with the product and contamination of the product, and ensure the quality of the product after transportation.

[0004] In order to achieve the above object, the technical solution provided by the present invention is:

[0005] A divided-chamber self-circulating cold-chain transport box comprises a box body, a placing plate is fixed in the box body, a first rectangular tube and a second rectangular tube connected to the box body are fixed in the box body above the placing plate, the lower end of the placing plate is detachably fixed and sealed with a fixing ring, an elastic bag is fixed at the lower end of the fixing ring, an inelastic outer bag is sleeved on the outer side of the elastic bag, a gap is arranged between the outer bag and the elastic bag, a plurality of openings are opened at the lower end of the elastic bag, a first one-way valve is fixed in the opening, the first one-way valve only allows gas or liquid in the elastic bag to enter the gap between the elastic bag and the outer bag, the first rectangular tube is connected with the elastic bag through a first gas channel in the box body, a second one-way valve is installed in the first gas channel, the second one-way valve only allows gas in the box body to enter the elastic bag, the second rectangular tube is connected with the outer bag through a second gas channel and a hose in the box body, a third one-way valve is installed in the second gas channel, and the third one-way valve only allows air in the gap between the elastic bag and the outer bag to be discharged into the box body.

[0006] Specifically, a sealing cover is detachably fixed and sealed at the upper end of the box body, an opening is opened on the side wall of the box body below the placement plate, a sealing plate for sealing the opening is hinged on the box body, and the sealing plate and the side wall of the box body are locked by a lock.

[0007] Specifically, the outer bag includes an inner woven bag and an outer woven bag. A rubber bag is arranged between the inner woven bag and the outer woven bag. The rubber bag is bonded and fixedly connected to the inner woven bag and the outer woven bag.

[0008] Specifically, the first rectangular tube and the second rectangular tube are both embedded and fixed on the inner wall of the box above the placement plate, and through holes are opened on the inner sides of the first rectangular tube and the second rectangular tube.

[0009] Specifically, an inflation nozzle connected to the outer bag is fixed at the lower end thereof.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. The present invention utilizes the inertia of ice cubes in an elastic bag when a vehicle is moving to cause the elastic bag to move and deform in an outer bag, thereby causing the air in the box above the placement plate to enter the elastic bag and transfer heat with the ice bag. When the vehicle is running smoothly, the elastic bag is restored, and the cold air in the elastic bag can flow back to the box above the placement plate through the first one-way valve, the gap between the elastic bag and the outer bag, the hose, the second gas channel, and the second rectangular tube, thereby achieving air cooling and circulation, and ultimately achieving the effect of cooling and preserving the products above the placement plate.

[0012] 2. In the process of low-temperature storage of the products in the box above the placement plate, the cold source does not contact the products, which can avoid contact between ice water and condensed water leaked from the cold source and ensure the quality of the transported products.

[0013] 3. The ice water leaked from the cold source and the condensed water generated outside the cold source can be easily recovered, which can prevent the ice water and condensed water leaked from the cold source from accumulating in the box for a long time and breeding bacteria. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional view of the present invention.

[0015] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0016] Figure 3 for Figure 2 Magnified view of area A.

[0017] The names of the parts in the attached drawings are:

[0018] 1. Box body; 2. Placement plate; 3. Fixing ring; 4. Elastic bag; 5. First one-way valve; 6. Outer bag; 7. First rectangular tube; 8. Second rectangular tube; 9. First gas channel; 10. Second one-way valve; 11. Second gas channel; 12. Third one-way valve; 13. Hose; 14. Sealing cover; 15. Sealing plate. DETAILED DESCRIPTION

[0019] like Figure 1-3 As shown, a chamber-type self-circulating cold chain transport box includes a box body 1, a placement plate 2 is fixed inside the box body 1, and the placement plate 2 divides the box body 1 into two independent cavities arranged up and down. The upper end of the box body 1 is detachably fixed and sealed with a sealing cover 14. An opening is opened on the side wall of the box body 1 below the placement plate 2, and a sealing plate 15 for sealing and plugging the opening is hinged on the box body 1. The sealing plate 15 is locked with the side wall of the box body 1 by a lock.

[0020] A first rectangular tube 7 and a second rectangular tube 8 connected to the box body 1 are fixed in the box body 1 above the placement plate 2. The first rectangular tube 7 and the second rectangular tube 8 are both inlaid and fixed on the inner wall of the box body 1 above the placement plate 2, and through holes are opened on the inner sides of the first rectangular tube 7 and the second rectangular tube 8. The first rectangular tube 7 is located above the second rectangular tube 8. The lower end of the placement plate 2 is detachably fixed and sealed with a fixing ring 3. The connection method between the placement plate 2 and the fixing ring 3 belongs to the existing common sense technology and will not be repeated here. An elastic bag 4 is fixed at the lower end of the fixing ring 3. An inelastic outer bag 6 is sleeved on the outside of the elastic bag 4. A gap is set between the outer bag 6 and the elastic bag 4. The outer bag 6 includes an inner woven bag on the inside and an outer woven bag on the outer layer, and a rubber bag is set between the inner woven bag and the outer woven bag, and the rubber bag is bonded and fixedly connected to the inner woven bag and the outer woven bag. An inflation nozzle connected to the outer bag 6 is fixed at the lower end.

[0021] The elastic bag 4 has a plurality of openings at its lower end, and a first one-way valve 5 is fixed in each of the openings. The first one-way valve 5 only allows the gas or liquid in the elastic bag 4 to enter the gap between the elastic bag 4 and the outer bag 6. The first rectangular tube 7 is connected to the elastic bag 4 through the first gas channel 9 in the box body 1. The first gas channel 9 is provided with a second one-way valve 10. The second one-way valve 10 only allows the gas in the box body 1 to enter the elastic bag 4. The second rectangular tube 8 is connected to the outer bag 6 through the second gas channel 11 and the hose 13 in the box body 1. The second gas channel 11 is provided with a third one-way valve 12. The third one-way valve 12 only allows the air in the gap between the elastic bag 4 and the outer bag 6 to be discharged into the box body 1.

[0022] When in use, open the sealing cover 14 and place the transported product on the placement board 2. Then fix and seal the sealing cover 14 on the top of the box body 1. At this time, the part of the box body 1 above the placement board 2 is the upper sealed space. Then open the sealing plate 15, remove the fixing ring 3 from the placement board 2, put a certain amount of ice pack into the elastic bag 4, and then install the fixing ring 3 on the placement board 2. Then fill the outer bag 6 with air through the inflation port on the outer bag 6 and swell it, then block the inflation port and lock the sealing plate 15. At this time, the part of the box body 1 below the placement board 2 is the lower sealed space.

[0023] When the box 1 is transported by a vehicle, when the vehicle accelerates and decelerates, the inertia of the ice bag in the elastic bag 4 causes the ice bag to pull the elastic bag 4 during its movement, thereby stretching the elastic bag 4. After the elastic bag 4 is stretched, its internal volume increases, thereby generating negative pressure inside the elastic bag 4. At this time, the air in the upper sealed space enters the elastic bag 4 through the first rectangular tube 7, the second one-way valve 10, and the first gas channel 9, directly contacts the ice bag inside the elastic bag 4, and generates heat transfer.

[0024] In the process of the air in the upper sealed space being sucked away, negative pressure will be generated in the upper sealed space. At the same time, the stretched elastic bag 4 squeezes the air in the outer bag 6. Under the negative pressure in the upper sealed space and the squeezing effect of the stretched elastic bag 4, the air between the outer bag 6 and the elastic bag 4 will enter the upper sealed space through the hose 13, the third one-way valve 12, the second gas channel 11, and the second rectangular tube 8. The ice bag in the elastic bag 4 can cool down the air between the outer bag 6 and the elastic bag 4. Therefore, after the air between the outer bag 6 and the elastic bag 4 enters the upper sealed space, it can cool down and preserve the products on the placement plate 2.

[0025] When the vehicle is running smoothly, the ice bag inside the elastic bag 4 is stable. The elastic bag 4 will return to its initial state under the action of its own elasticity. In this process, the air in the elastic bag 4 will enter the outer bag 6 through the first one-way valve 5, and the outer bag 6 will become inflated again to prepare for the next gas cycle. The ice water leaked from the ice bag and the condensed water outside the ice bag can flow to the outer bag 6 through the first one-way valve 5 and finally be discharged through the inflation nozzle.

[0026] The present invention utilizes the inertia of ice cubes in the elastic bag 4 when the vehicle moves to make the elastic bag 4 move and deform in the outer bag 6. When the ice bag moves and returns to stability, the air in the upper sealed space enters the elastic bag 4. At the same time, the air between the elastic bag 4 and the outer bag 6 enters the upper sealed space. When the ice bag is stable and the elastic bag 4 is restored, the air in the elastic bag 4 enters the gap between the elastic bag 4 and the outer bag 6 for compensation. In this way, the circulation and cooling of the air in the upper sealed space are realized. Finally, the product on the placement plate 2 is cooled and preserved.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A chambered self-circulating cold chain transport box, comprising a box body (1), a placement plate (2) being fixed inside the box body (1), characterized in that: A first rectangular tube (7) and a second rectangular tube (8) connected to the box body (1) are fixed in the box body (1) above the placement plate (2); a fixing ring (3) is detachably fixed and sealed at the lower end of the placement plate (2); an elastic bag (4) is fixed at the lower end of the fixing ring (3); an inelastic outer bag (6) is sleeved on the outer side of the elastic bag (4); a gap is provided between the outer bag (6) and the elastic bag (4); a plurality of openings are provided at the lower end of the elastic bag (4); a first one-way valve (5) is fixed in the opening; the first one-way valve (5) only allows gas or liquid in the elastic bag (4) to enter between the elastic bag (4) and the outer bag (6). In the gap, the first rectangular tube (7) is connected to the elastic bag (4) through a first gas channel (9) in the box body (1), a second one-way valve (10) is installed in the first gas channel (9), and the second one-way valve (10) only allows the gas in the box body (1) to enter the elastic bag (4), and the second rectangular tube (8) is connected to the outer bag (6) through a second gas channel (11) and a hose (13) in the box body (1), and a third one-way valve (12) is installed in the second gas channel (11), and the third one-way valve (12) only allows the air in the gap between the elastic bag (4) and the outer bag (6) to be discharged into the box body (1).

2. According to claim 1, a chambered self-circulating cold chain transport box is characterized in that: The upper end of the box body (1) is detachably fixedly sealed with a sealing cover (14); a side wall of the box body (1) below the placement plate (2) is provided with an opening; a sealing plate (15) is hingedly connected to the box body (1) for sealing the opening; the sealing plate (15) and the side wall of the box body (1) are locked by a lock.

3. According to claim 1, a chambered self-circulating cold chain transport box is characterized in that: The outer bag (6) comprises an inner woven bag and an outer woven bag, a rubber bag is arranged between the inner woven bag and the outer woven bag, and the rubber bag is bonded and fixedly connected to the inner woven bag and the outer woven bag.

4. According to claim 1, a chambered self-circulating cold chain transport box is characterized in that: The first rectangular tube (7) and the second rectangular tube (8) are both embedded and fixed on the inner wall of the box body (1) above the placement plate (2), and through holes are opened on the inner sides of the first rectangular tube (7) and the second rectangular tube (8).

5. According to claim 1, a chambered self-circulating cold chain transport box is characterized in that: The lower end of the outer bag (6) is fixed with an inflation nozzle which is in communication with the outer bag.

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