CN215285709U

CN215285709U - Cold chain insulation can

Info

Publication number: CN215285709U
Application number: CN202121454501.9U
Authority: CN
Inventors: 廖培忠; 牛准; 肖锋俊
Original assignee: Shenzhen Fresh Cold Chain Technology Co ltd
Current assignee: Shenzhen Fresh Cold Chain Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-24
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a cold chain insulation can, which belongs to the technical field of refrigeration, and comprises a bottomless case cover and a topless case body, wherein the bottom of the bottomless case cover is buckled with a plastic sucking piece and forms a cavity; when filling the heat preservation foam, can be directly in the bottom of bottomless case lid, the open-top between inner bag and the shell pours into the heat preservation foaming liquid into, then detain the plastic uptake spare, can bond plastic uptake spare and bottomless case lid, no top box body when treating the heat preservation foam foaming, can provide effectual support after the foaming simultaneously, and the plastic uptake spare quality is light good bonding, easily moulding sealed effectual, avoid reserving the injection port alone and appear the problem that cold volume easily scatters and disappears, and the plastic uptake spare, bottomless case lid, inner bag and shell can play the guard action to the heat preservation foam, avoid its damage.

Description

Cold chain insulation can

Technical Field

The utility model relates to a cold-stored technical field especially relates to a cold chain insulation can.

Background

Cold chain transportation is an important link of cold chain logistics, and particularly, the current epidemic situation needs the trans-border transportation of biological reagents, a certain temperature is required to be kept all the time, and the constant temperature is required to be maintained for about 10 days or longer, so that the incubator is required to have a good heat preservation effect, a simple and convenient manufacturing process and a low manufacturing cost. Present insulation can adopt integrative injection moulding's insulation can usually for can having good heat preservation effect to pour into polyurethane foaming liquid into in the hollow intermediate layer of the casing of insulation can, polyurethane foam can be full of the hollow intermediate layer in the casing and form the heat preservation after the foaming, utilizes polyurethane foam to have good heat insulating ability, can guarantee the heat preservation effect of insulation can. Because the polyurethane foaming liquid needs to be injected, an injection opening needs to be reserved on the integrally formed insulation can, and if the injection opening is not properly sealed in the later period, the injection opening is easily a cold dissipation opening, so that the cold in the insulation can is difficult to maintain.

In order to avoid the problems, the utility model patent with the patent number of '201621182028.2' and the name of 'high-efficiency energy-saving cold chain incubator' provides a new manufacturing method of the incubator, directly forms the polyurethane and the vacuum insulation board into the incubator body by integral injection molding, cancels the filling mode of injecting polyurethane foaming liquid in the interlayer of the shell body, thereby avoiding the problem that the injection opening becomes the cold energy dissipation opening. However, the polyurethane in the present application has poor wear resistance and is easily worn, and it is the reason why the embossed aluminum plate is attached to the inner wall of the polyurethane box body and the film-coated paperboard is coated on the outer wall, and the embossed aluminum plate and the film-coated paperboard play a role in protection. However, in the above-mentioned thermal insulation box, because polyurethane is injection moulding in advance, the combination effect with both sides card paper and knurling aluminum plate is relatively poor, and the wholeness is not enough, and cold energy is very easy to be scattered along combining not tight place, and above-mentioned thermal insulation box is only equipped with card paper and knurling aluminum plate that play the guard action at the lateral wall of polyurethane casing, and polyurethane casing top is the case mouth department and does not set up any protective layer, therefore the case mouth receives wearing and tearing very easily, is difficult to guarantee the sealed effect of case lid and box then.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem, the utility model provides a cold chain insulation can, adopt the no top box that no end case lid and constitute with inner bag and shell, then reuse plastic uptake carries out the lock and seals, change traditional integrated into one piece's insulation box, then can be earlier through the bottom of no end case lid, the opening injection polyurethane foaming liquid of inner bag and shell in the no top box, to no end case lid lock back cover with plastic uptake, after the opening lock to inner bag and shell, make polyurethane foaming liquid foam and fill, thereby can be with plastic uptake and no end case lid, inner bag and shell bonding, guarantee its bodily nature, and need not to reserve the filling opening and pour into the foaming liquid that keeps warm and foam into and foam.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a cold chain insulation can, including no bottom case lid and no top box, the bottom of no bottom case lid is with plastic uptake lock and vacuole formation, no top box includes that inner bag and cover establish the shell in the inner bag outside, the shell with the open-top of inner bag is with plastic uptake lock and form hollow intermediate layer, the cavity hollow intermediate layer is filled with the heat preservation foam.

Preferably, a vacuum insulation plate attached to the plastic sucking piece is arranged in the bottomless box cover.

Preferably, a vacuum heat insulation plate attached to the inner container is arranged in the hollow interlayer.

Preferably, the vacuum insulation panel in the bottomless bin cover is capable of covering the vacuum insulation panel in the hollow interlayer.

Preferably, the vacuum insulation panel is internally encapsulated with glass fiber and a moisture absorbent.

Preferably, the plastic part at the bottom of the bottomless box cover is recessed to form an annular slot, and the plastic part at the top of the hollow interlayer is raised to form an insertion block which is in sealed insertion connection with the annular slot.

Preferably, a phase change cold storage box is placed in the inner container, and the phase change cold storage box is formed by assembling phase change modules packaged with phase change materials.

Preferably, the mutual assembling positions of the phase change modules are processed at an angle of 45 degrees.

Preferably, the thermal insulation foam is a polyurethane foam.

Preferably, the bottomless box cover, the inner container and the outer shell are all made of plastic materials.

The utility model discloses for prior art gain following technological effect:

1. the cold chain insulation box is composed of a bottomless box cover and a bottomless box body, and is buckled and sealed through the plastic sucking piece, so that when insulation foam is filled, insulation foaming liquid can be directly injected into a bottom opening of the bottomless box cover and a top opening between an inner container and an outer shell of the bottomless box body, then the plastic sucking piece is buckled and the insulation foaming liquid is foamed, then the plastic sucking piece is bonded with the bottomless box cover and the bottomless box body by utilizing the viscosity of the insulation foam during foaming, and the plastic sucking piece is light in weight and good in combination degree with the insulation foam, so that the gravity pull of the insulation foam can be reduced, meanwhile, the plastic sucking piece is easy to shape, the shape of the bottomless box cover and the shape of the bottomless box body can be well matched, the fitting degree is improved, and the sealing effect is ensured; the problem that the cold energy is easily dissipated at a reserved opening because the filling opening needs to be reserved in the traditional integrally-formed insulation can is solved; meanwhile, the plastic sucking piece, the bottomless box cover, the inner container and the shell can well protect the heat-insulating foam to form a protective layer, so that the heat-insulating foam is prevented from being damaged.

2. After the vacuum insulation plate in the bottomless box cover covers the vacuum insulation plate in the hollow interlayer, a second insulation layer can be formed in the insulation layer formed by the insulation foam, so that the cold energy can be effectively isolated in the inner container, and the insulation effect is improved.

3. After the annular slot and the insert block are in sealed insertion, a concave-convex sealing box is formed between the bottomless box cover and the top-free box body, and cold energy cannot escape from the inner container when meeting the sealing box, so that the sealing effect of the bottomless box cover and the top-free box body is improved, and meanwhile, the stable connection of the bottomless box cover and the top-free box body is also ensured.

4. The phase change cold storage box is arranged in the inner container, and the phase change module packaged with the phase change material can adjust the temperature in the inner container to keep the temperature in a stable range on one hand and can continuously and stably output cold quantity on the other hand, so that the heat preservation time is effectively prolonged; and the phase change cold storage box is formed by assembling the phase change modules, can be installed and disassembled block by block, is favorable for installing and replacing the bad phase change modules, and simultaneously changes the temperature in the inner container by replacing the phase change modules packaged with different phase change materials, thereby being suitable for various different reagents or articles needing to be stored.

5. The heat preservation foam is polyurethane foam, polyurethane foam has good heat preservation characteristic, can guarantee that the cold volume in the insulation can not scatter and disappear, polyurethane foaming liquid has good viscidity when foaming simultaneously, can guarantee to have sufficient adhesive force, guarantee that plastic uptake spare and no end case lid, the bonding of no top box, and have good intensity after the polyurethane foaming, can provide good support to inner bag and vacuum insulation panel, guarantee that vacuum insulation panel and inner bag can not rock, improve its stability.

6. Compared with a conventional integrally formed plastic heat insulation box, the bottomless box cover, the inner container and the shell are made of plastic materials, a plastic forming injection mold does not need to be manufactured, the process is simple, the thickness is better controlled and can be controlled to be very thin compared with the integrally formed plastic heat insulation box, and the overall quality of the heat insulation box is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic view of a cross-sectional structure of a cold chain incubator;

FIG. 2 is a partial enlarged view of the cold chain incubator.

Description of reference numerals: 1. a bottomless box cover; 2. a box body without a top; 3. a plastic sucking part of the box cover; 4. a plastic sucking part of the box body; 5. an inner container; 6. a housing; 7. a vacuum insulation panel; 8. an annular slot; 9. inserting a block; 10. a phase change module; 11. and (4) insulating foam.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment provides a cold chain incubator, as shown in fig. 1 to fig. 2, comprising a bottomless box cover 1 and a bottomless box body 2, wherein the bottom of the bottomless box cover 1 is buckled by a box cover plastic sucking part 3 for bottom sealing, a cavity is formed between the bottomless box cover 1 and the box cover plastic sucking part 3, and an insulating layer in the bottomless box cover 1 is formed by filling insulating foam 11 in the cavity. The topless box body 2 consists of a shell 6 and an inner container 5 arranged in the shell 6, the shell 6 and the inner container 5 are hollow, the top openings of the shell 6 and the inner container 5 are buckled by a box body plastic sucking piece 4 for sealing, the shell 6, the inner container 5 and the box body plastic sucking piece 4 form a hollow interlayer, and the hollow interlayer is filled with heat preservation foam 11 to form a heat preservation layer in the topless box body 2. When the cold chain insulation box is filled with the insulation foam 11, the insulation foaming liquid can be injected into the bottomless box cover 1 from the bottom of the bottomless box cover 1, then the box cover plastic sucking piece 3 is buckled to foam the insulation foaming liquid, then the insulation foam 11 can fill the cavity between the bottomless box cover 1 and the box cover plastic sucking piece 3, and the bottomless box cover 1 and the box cover plastic sucking piece 3 are bonded under the viscosity of the insulation foam 11. Meanwhile, the heat-preservation foaming liquid is injected into the hollow interlayer from the top of the shell 6 and the top of the liner 5, then the box body plastic-absorbing part 4 is buckled at the top of the shell 6 and the top of the liner 5, after the heat-preservation foaming liquid is foamed, the heat-preservation foam 11 can fill the hollow interlayer and bond the box body plastic-absorbing part 4, the shell 6 and the liner 5 with each other, and meanwhile, the heat-preservation foam 11 can support the liner 5. The box cover plastic sucking part 3 and the box body plastic sucking part 4 are formed by vacuum plastic sucking of plastic sucking plates, the process is simple, the buckling size is accurate, the plastic sucking plates can be well buckled on the bottomless box cover 1 and the topmost box body 2, meanwhile, the thickness can be controlled to be very thin, the quality is lighter, better adhesion with the heat insulation foam 11 can be guaranteed, and the manufacturing cost is low.

In order to further improve the heat insulation effect, as shown in fig. 1 to 2, in this embodiment, a vacuum insulation panel 7 is disposed in the bottomless box cover 1, the heat insulation foam 11 has a certain strength after foaming, the vacuum insulation panel 7 can be pressed against the inner wall of the box cover plastic absorbing member 3, and the vacuum insulation panel 7 can effectively prevent the cold energy from being dissipated from the bottomless box cover 1.

Further, in this embodiment, a vacuum insulation panel 7 is also arranged in the hollow interlayer in the top-free box body 2, the vacuum insulation panel 7 is pressed on the inner wall of the liner 5 through the insulation foam 11, the insulation foam 11 provides support for the liner 5 and the vacuum insulation panel 7 on the side wall of the liner 5, and the vacuum insulation panel 7 surrounds the periphery and the bottom of the top-free box body 2, so that the loss of cold energy from the periphery and the bottom of the top-free box body 2 can be effectively prevented.

Further, in the present embodiment, as shown in fig. 1 to 2, the vacuum insulation panel 7 in the bottomless box cover 1 is sized to cover the vacuum insulation panel 7 in the hollow interlayer of the topless box body 2. After the bottomless box cover 1 is covered on the topmost box body 2, the edge of the vacuum insulation panel 7 in the bottomless box cover 1 is flush with the end edge of the vacuum insulation panel 7 in the hollow interlayer, so that a second insulation layer composed of the vacuum insulation panel 7 is formed in the insulation layer composed of the insulation foam 11.

In this embodiment, the vacuum insulation panel 7 is composed of a high barrier composite film, glass fibers, and a moisture absorbent. And the glass fiber and the moisture absorption package are encapsulated by the high-barrier composite film to form the vacuum insulation panel 7.

In this embodiment, the case lid plastic uptake piece 3 is provided with the annular slot 8 in the indent, and the box plastic uptake piece 4 is provided with the inserted block 9 in the protrusion, and the annular slot 8 matches with the inserted block 9 in size, can realize sealed grafting. When the annular slot 8 of the bottomless box cover 1 is buckled on the insert block 9, the bottomless box cover 1 and the bottomless box body 2 are closed, the annular slot 8 and the insert block 9 form a convex-concave sealing box between the bottomless box cover 1 and the topmost box body 2, cold energy can be blocked in the topmost box body 2, and the sealing effect is greatly improved. And because of the plastic suction process, the annular slot 8 and the annular slot 8 are accurate in matching size and excellent in air tightness.

In order to control the temperature in the inner container 5 and keep the temperature within a stable range, as shown in fig. 1 to fig. 2, in this embodiment, a phase change cold storage box is placed in the inner container 5, the phase change cold storage box is formed by fitting and assembling phase change modules 10, after each individual phase change module 10 is placed in the inner container 5, a complete phase change cold storage box is formed, phase change materials are sealed in the phase change modules 10, and the temperature in the inner container 5 can be regulated and controlled by the phase change materials to keep the temperature within a stable temperature range. The adoption is piecemeal the mode of assembling block by block, on the one hand can be easy to assemble to and put into the article that needs the cold insulation such as reagent, after putting reagent into phase transition cold-storage box, cover upper portion phase transition module 10, alright encapsulate in with reagent. On the other hand, the damaged phase change module 10 can be conveniently taken down and replaced, or the phase change module 10 packaged with different phase change materials can be replaced, so that the phase change module is suitable for various packaged articles.

Further, in this example, the phase change modules 10 are all processed at 45 ° angles at the mutually assembled positions, the 45 ° angles are favorable for the phase change modules 10 to be assembled, the degree of engagement is high, and the formed phase change cold storage box is good in sealing effect.

In this embodiment, the phase change module 10 is composed of a blow molding box, the phase change material is packaged in the blow molding box, the phase change material absorbs and releases energy through the solid-liquid form change of the phase change coolant near the melting point temperature, the cold is stored in the freezing process, the cold is released in the high-temperature environment, and then the temperature is continuously and stably controlled, so that the heat preservation duration of the heat preservation box is greatly prolonged.

In this example, the thermal insulation foam 11 is polyurethane foam, and the polyurethane foam liquid has good adhesive property while foaming to effectively combine the case cover plastic sucking part 3 with the bottomless case cover 1 and the case body plastic sucking part 4 with the topless case body 2. Polyurethane foam formed by the foamed polyurethane foaming liquid has good supporting strength, can effectively support the inner container 5, and tightly presses the vacuum heat-insulating plate 7 on the inner container 5 and the box cover plastic sucking piece 3, so that the vacuum heat-insulating plate 7 is prevented from shaking back and forth.

In this embodiment, the bottomless box cover 1, the inner container 5 and the outer shell 6 are made of plastic materials, so that the weight is light, the adhesion of the heat insulation foam 11 is facilitated, the pressure on the heat insulation foam 11 is reduced, and the quality of the heat insulation box can be greatly reduced. By comparison, the cold chain incubator is lighter than other similar incubators by more than 15% under the same specification and temperature.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The cold chain insulation can is characterized by comprising a bottomless box cover and a topless box body, wherein the bottom of the bottomless box cover is buckled with a plastic sucking part to form a cavity, the topless box body comprises an inner container and an outer shell sleeved on the outer side of the inner container, the outer shell is buckled with a plastic sucking part for the top opening of the inner container to form a hollow interlayer, and the cavity and the hollow interlayer are filled with insulation foam.

2. The cold chain incubator of claim 1, wherein a vacuum insulation panel is provided in the bottomless case lid and attached to the blister.

3. The cold chain incubator of claim 2, wherein a vacuum insulation panel attached to the inner container is disposed in the hollow interlayer.

4. The cold chain incubator of claim 3, wherein the vacuum insulation panels within the bottomless tank lid are capable of covering the vacuum insulation panels within the hollow interlayers.

5. The cold chain incubator of claim 2, wherein the vacuum insulation panels are encapsulated with fiberglass and moisture absorbent.

6. The cold chain incubator of claim 1, wherein the blister component at the bottom of the bottomless case cover is recessed to form an annular slot, and the blister component at the top of the hollow interlayer is raised to form an insert block which is sealingly inserted into the annular slot.

7. The cold chain incubator of claim 1, wherein the inner container houses a phase change cold storage tank, and the phase change cold storage tank is assembled by phase change modules packaged with phase change materials.

8. The cold chain incubator of claim 7, wherein the phase change modules are assembled at 45 ° angles to each other.

9. The cold chain incubator of claim 1, wherein the insulating foam is a polyurethane foam.

10. The cold chain incubator of claim 1, wherein the bottomless tank lid, the inner container and the outer shell are all made of plastic.