CN220765319U - Multilayer heat preservation plastic box - Google Patents
Multilayer heat preservation plastic box Download PDFInfo
- Publication number
- CN220765319U CN220765319U CN202322728145.0U CN202322728145U CN220765319U CN 220765319 U CN220765319 U CN 220765319U CN 202322728145 U CN202322728145 U CN 202322728145U CN 220765319 U CN220765319 U CN 220765319U
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- Prior art keywords
- plastic box
- heat preservation
- heat
- refrigerant
- temperature sensing
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- 238000004321 preservation Methods 0.000 title claims description 49
- 239000003507 refrigerant Substances 0.000 claims abstract description 53
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims description 14
- 239000000178 monomer Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 235000012055 fruits and vegetables Nutrition 0.000 description 4
- 239000005457 ice water Substances 0.000 description 4
- 229920006238 degradable plastic Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009920 food preservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000021478 household food Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to a multilayer heat-insulating plastic box, which belongs to the heat-insulating plastic box technology and comprises a heat-insulating base, a heat-insulating frame and single plastic boxes, wherein the heat-insulating frame is arranged at the top of the heat-insulating base, the single plastic boxes are stacked and installed in the heat-insulating frame, a strip-shaped installation groove is formed in the heat-insulating frame, a temperature sensing protrusion is arranged on the inner wall of the strip-shaped installation groove, a double-sided refrigerant switchable structure is further arranged in the strip-shaped installation groove, one side of the double-sided refrigerant switchable structure is clamped into the temperature sensing protrusion and is tightly contacted with the temperature sensing protrusion to conduct the temperature of the refrigerant, a longitudinal limiting rod is arranged in a groove, a limiting handle is movably arranged on the limiting rod in a penetrating manner, rotating brackets are arranged on the front side and the rear side of the heat-insulating frame, one end of each rotating bracket is welded with a handle, the front handle and the rear handle are connected through magnetic adhesion, and the heat-insulating frame and the outer wall of the single plastic box are provided with a heat-insulating layer.
Description
Technical Field
The utility model relates to the technical field of heat-insulating plastic boxes, in particular to a multilayer heat-insulating plastic box.
Background
The plastic box is a plastic container made of food-grade plastic raw materials for facilitating food preservation, packaging, heating and the like, is a household plastic product which is ubiquitous in our daily life, is an indispensable plastic container in household food storage, is convenient and practical, can store foods in different types, has various styles and sizes for selection, and is widely applied to the life of people because the plastic box has the characteristic of being convenient for fruit and vegetable preservation.
In the chinese patent of the utility model with publication number CN211544577U, a degradable plastic box for preserving fruits and vegetables is proposed, through setting the heat-preserving layer of the box cover at the bottom of the box cover, the heat preservation of fruits and vegetables is facilitated, moisture emission is prevented, the water injection layer on the inner wall of the heat-preserving layer is set, ice water is convenient to store, the preserving capability of fruits and vegetables of the degradable plastic box is effectively enhanced, and then, through setting the sealing ring at the bottom of the heat-preserving layer of the box cover, external air is convenient to isolate, oxidation is prevented from losing original delicate flavor, thereby achieving the advantage of good preserving effect.
However, the plastic box proposed by the above-mentioned reference has the effect of storing ice water, but the heat preservation time of the cavity for storing ice water is short, and the continuous structure of ice water and the inner box body can lose the efficient refrigerating heat preservation effect quickly, so the application is proposed in view of this.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the utility model provides the multi-layer heat-insulating plastic box, which can effectively perform refrigeration and heat insulation through the double-sided refrigerant switchable structure, and when the temperature loss of the refrigerant is serious and the heat-insulating effect is poor after the double-sided refrigerant switchable structure lasts for a long time, the double-sided refrigerant switchable structure can be turned over to adjust the position, so that the refrigerant which is not contacted with the heat-insulating frame and is heated less on the other side faces to the single plastic box, thereby maintaining the heat-insulating effect for a longer time, and the multi-layer heat-insulating plastic box is novel in structure, convenient to use, long in heat-insulating effect and high in practical value.
The technical scheme adopted by the utility model is as follows: including heat preservation base, heat preservation frame and monomer plastic case, the heat preservation frame sets up the top of heat preservation base, and monomer plastic case piles up to be installed in the heat preservation frame, has seted up the bar mounting groove in the heat preservation frame, and the inner wall of bar mounting groove is provided with the temperature sensing arch, still be provided with two-sided refrigerant switchable structure in the bar mounting groove, two-sided refrigerant switchable structure card goes into one side refrigerant and the temperature sensing arch in close contact with in order to conduct refrigerant temperature of temperature sensing arch.
Preferably, both sides of the single plastic box are provided with limiting handles, and grooves for limiting the upper and lower penetrating of the limiting handles are formed in the heat-preserving frame, so that the single plastic box is smooth when being installed in the heat-preserving frame, and the whole structure is more stable.
Preferably, a longitudinal limiting rod is arranged in the groove, and the limiting handle is movably arranged on the limiting rod in a penetrating mode, so that the single plastic box is provided with a limiting structure after being arranged in the heat-insulating frame, and cannot be separated easily, and the stability is higher.
Preferably, the front side and the rear side of the heat preservation frame are respectively provided with a rotating support, one end of each rotating support is welded with a handle, the front handle and the rear handle are connected through magnetic adhesion, the handles on the front side and the rear side in the use process are separable and are used for loading and unloading the single plastic boxes, and the handles are combined when being carried, so that the heat preservation frame is convenient to carry.
Preferably, the outer walls of the heat preservation frame and the single plastic box are provided with heat preservation layers for basic heat preservation, so that the temperature loss in the single plastic box is reduced.
Preferably, the double-sided refrigerant switchable structure comprises a hollow plate with an outer layer provided with a heat insulation layer and a connecting seat, wherein the connecting seat is rotationally connected with the hollow plate, so that the hollow plate can rotate, and the position of a refrigerant is adjusted in a rotating manner in the use process, so that the refrigerant is replaced, and a longer heat insulation effect is realized.
Preferably, one side of the connecting seat is provided with an elastic shrinkage rod, one end of the elastic shrinkage rod is fixed in the strip-shaped mounting groove, so that the connecting seat can be retracted through the elastic shrinkage rod, the connecting seat and the hollow plate are positioned in the strip-shaped groove under the normal state, the hollow plate is clamped into the temperature sensing protrusion for temperature conduction, when a refrigerant needs to be replaced, the connecting seat is pulled out, then the hollow plate is rotated for 180 degrees, the refrigerant which is not contacted with the heat-preserving frame and is heated less on the other side faces the single plastic box, and after the hand is loosened, the connecting seat and the hollow plate are reset under the pulling action of the elastic shrinkage rod, so that the hollow plate is clamped into the temperature sensing protrusion for realizing the heat preservation for a longer time.
Preferably, the other side of the connecting seat is provided with a handle in an outward extending way through an extension rod, and the connecting seat is pulled outwards by manually grabbing the handle when in use.
Preferably, the front side and the rear side of the hollow plate are provided with two separated cavities filled with refrigerants, the outer wall of the hollow plate is provided with separation grooves which are not communicated with the cavities, the separation grooves correspond to the temperature sensing protrusions in position and size, elastic belts made of heat conducting materials are arranged on the separation grooves, after the temperature sensing protrusions are clamped in the separation grooves, the elastic belts are extruded into the separation grooves and are in contact with the outer walls of the cavities filled with refrigerants, heat is conducted, and therefore heat of the refrigerants can be exchanged with the temperature sensing protrusions to achieve heat preservation.
The beneficial effects of the utility model are as follows: according to the utility model, the double-sided refrigerant switchable structure can be used for effectively refrigerating and preserving heat, and when the temperature loss of the refrigerant is serious and the heat preserving effect is poor after the double-sided refrigerant switchable structure lasts for a long time, the double-sided refrigerant switchable structure can be turned over to adjust the position, so that the refrigerant which is not contacted with the heat preserving frame and is less heated on the other side faces to the single plastic box, and the heat preserving effect is maintained for a longer time.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a hidden structure of the present utility model.
FIG. 3 is a schematic diagram of a dual-side refrigerant switchable structure according to the present utility model.
Fig. 4 is a schematic diagram of a lateral view of a dual-side refrigerant switchable structure according to the present utility model.
Reference numerals illustrate: in the figure: 1. a heat preservation base; 2. a thermal insulation frame; 201. a strip-shaped mounting groove; 202. a temperature sensing protrusion; 3. rotating the bracket; 4. a handle; 5. a single plastic box; 501. a limit handle; 6. a limit rod; 7. a double-sided refrigerant switchable structure; 701. a hollow slab; 702. a connecting seat; 703. an elastic belt; 704. an elastically contractible rod; 705. an extension rod; 706. a handle.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, the embodiment provides a multi-layer thermal insulation plastic box, which comprises a thermal insulation base 1, a thermal insulation frame 2 and a single plastic box 5, wherein the thermal insulation frame 2 is arranged at the top of the thermal insulation base 1, the single plastic box 5 is stacked and installed in the thermal insulation frame 2, a strip-shaped installation groove 201 is formed in the thermal insulation frame 2, a temperature sensing protrusion 202 is arranged on the inner wall of the strip-shaped installation groove 201, a double-sided refrigerant switchable structure 7 is further arranged in the strip-shaped installation groove 201, and one side refrigerant of the double-sided refrigerant switchable structure 7 is clamped into the temperature sensing protrusion 202 to be in tight contact with the temperature sensing protrusion 202 so as to conduct the temperature of the refrigerant.
According to the utility model, the number and the height of the single plastic boxes 5 are three, the number and the height of the single plastic boxes 5 can be adjusted according to actual demands, the whole height of the single plastic boxes is not higher than the height of the heat preservation frame 2, the heat preservation frame 2 is integrally arranged in a refrigerator before use, the refrigerants in the double-side refrigerant switchable structure 7 are fully frozen, the single plastic boxes 5 are only required to be arranged in the heat preservation frame 2 during use, the double-side refrigerant switchable structure 7 can effectively perform refrigeration and heat preservation in the heat preservation process, and after the heat preservation process lasts for a long time, when the serious heat preservation effect of the refrigerant temperature loss is poor, the double-side refrigerant switchable structure 7 can be turned over to adjust the position, so that the refrigerants which are not contacted with the heat preservation frame 2 and are less are heated are oriented to the single plastic boxes 5, and therefore, the longer heat preservation effect is maintained.
Specifically, as shown in fig. 1, the two sides of the single plastic box 5 are provided with the limiting handles 501, and the heat insulation frame 2 is internally provided with grooves for the limiting handles 501 to penetrate up and down, so that the single plastic box 5 is smoother when being installed into the heat insulation frame 2, and the overall structure is more stable.
Specifically, as shown in fig. 2, a longitudinal limiting rod 6 is arranged in the groove, and a limiting handle 501 is movably arranged on the limiting rod 6 in a penetrating manner, so that the single plastic box 5 is provided with a limiting structure after being arranged in the heat insulation frame 2, and cannot be easily separated from the heat insulation frame, and the stability is higher. The front and back sides of the heat preservation frame 2 are provided with rotating brackets 3, one end of each rotating bracket 3 is welded with a handle 4, the front and back handles 4 are connected through magnetic adhesion adsorption, the handles 4 on the front and back sides in the use process are separable and are used for loading and unloading the single plastic box 5, and the front and back handles are combined when being carried, so that the heat preservation frame is convenient to carry stably. The outer walls of the heat preservation frame 2 and the single plastic box 5 are respectively provided with a heat preservation layer for basic heat preservation, so that the temperature loss in the single plastic box 5 is reduced.
As shown in fig. 3 and fig. 4, the double-sided refrigerant switchable structure 7 includes a hollow plate 701 with an insulation layer on an outer layer and a connection base 702, the connection base 702 is rotationally connected with the hollow plate 701, so that the hollow plate 701 can rotate, and the position of the refrigerant is adjusted in a rotating manner during use, so as to replace the refrigerant, thereby realizing a longer insulation effect.
As shown in fig. 3 and fig. 4, an elastic shrinkage rod 704 is disposed at one side of the connection base 702, one end of the elastic shrinkage rod 704 is fixed in the strip-shaped mounting groove 201, so that the connection base 702 can be stretched out and drawn back by the elastic shrinkage rod 704, the connection base 702 is folded by the elastic shrinkage rod 704 under normal conditions, the connection base 702 and the hollow plate 701 are located in the strip-shaped groove, the hollow plate 701 is clamped into the temperature sensing protrusion 202 for temperature conduction, when the refrigerant needs to be replaced, the connection base 702 is pulled out, then the hollow plate 701 is rotated to rotate 180 degrees, the refrigerant which is not contacted with the heat insulation frame 2 and is heated less is directed to the single plastic box 5, and after the hand is loosened, the connection base 702 and the hollow plate 701 are reset under the pulling action of the elastic shrinkage rod 704, so that the hollow plate 701 is clamped into the temperature sensing protrusion 202 for realizing longer-time heat insulation.
As shown in fig. 3 and 4, the other side of the connecting seat 702 is provided with a handle 706 by extending the extension rod 705 outwards, and the connecting seat 702 is pulled outwards by manually grasping the handle 706 when in use. The front side and the rear side of the hollow plate 701 are provided with two separated cavities filled with refrigerants, the outer wall of the hollow plate 701 is provided with separation grooves which are not communicated with the cavities, the positions and the sizes of the separation grooves correspond to those of the temperature sensing protrusions 202, the separation grooves are provided with elastic belts 703 made of heat conducting materials, the outer wall of the hollow plate 701 is provided with a heat preservation layer, the separation grooves are not provided with the heat preservation layer, when the separation grooves are not in contact with the temperature sensing protrusions 202, the elastic belts 703 are kept in a flat state, air is arranged between the cavities filled with refrigerants and the elastic belts 703, the hollow state is used as a heat insulation structure, namely, the hollow plate 701 which is positioned outside and is not in contact with the temperature sensing protrusions 202 has a good heat preservation effect, excessive heat cannot be conducted to the outside, and after the separation grooves are clamped into the temperature sensing protrusions 202, the elastic belts 703 are in contact with the outer walls of the cavities filled with the refrigerants, so that heat can be conducted, and the heat of the refrigerants can be exchanged with the temperature sensing protrusions 202 to realize heat preservation.
While the basic principles and main features of the utility model and advantages of the utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a multilayer heat preservation plastic box, includes heat preservation base (1), heat preservation frame (2) and monomer plastic box (5), and heat preservation frame (2) set up in the top of heat preservation base (1), and monomer plastic box (5) stack and install in Wen Kuangjia (2), its characterized in that: a strip-shaped mounting groove (201) is formed in the heat preservation frame (2), a temperature sensing protrusion (202) is arranged on the inner wall of the strip-shaped mounting groove (201), a double-sided refrigerant switchable structure (7) is further arranged in the strip-shaped mounting groove (201), and the double-sided refrigerant switchable structure (7) is clamped into one side refrigerant of the temperature sensing protrusion (202) to be in close contact with the temperature sensing protrusion (202) so as to conduct the temperature of the refrigerant.
2. The multi-layer insulating plastic box according to claim 1, wherein: both sides of the single plastic box (5) are provided with limiting handles (501), and grooves for the limiting handles (501) to penetrate up and down are formed in the heat preservation frame (2).
3. A multi-layered insulating plastic case according to claim 2, wherein: a longitudinal limiting rod (6) is arranged in the groove, and a limiting handle (501) is movably arranged on the limiting rod (6) in a penetrating mode.
4. The multi-layer insulating plastic box according to claim 1, wherein: both sides all are provided with rotation support (3) around heat preservation frame (2), and the one end welding of rotation support (3) has handle (4), adsorbs through the magnetic paste between two handles (4) around and is connected.
5. The multi-layer insulating plastic box according to claim 1, wherein: the outer walls of the heat preservation frame (2) and the single plastic box (5) are respectively provided with a heat preservation layer.
6. The multi-layer insulating plastic box according to claim 1, wherein: the double-sided refrigerant switchable structure (7) comprises a hollow plate (701) with an outer layer provided with a heat preservation layer and a connecting seat (702), wherein the connecting seat (702) is rotationally connected with the hollow plate (701).
7. The multi-layer insulating plastic box according to claim 6, wherein: one side of the connecting seat (702) is provided with an elastic shrinkage rod (704), and one end of the elastic shrinkage rod (704) is fixed in the strip-shaped mounting groove (201).
8. The multi-layer insulating plastic box according to claim 7, wherein: the other side of the connecting seat (702) is provided with a handle (706) in an outward extending way through an extension rod (705).
9. The multi-layer insulating plastic box according to claim 8, wherein: the front side and the rear side of the hollow plate (701) are provided with two separated cavities filled with refrigerants, the outer wall of the hollow plate (701) is provided with separation grooves which are not communicated with the cavities, the positions and the sizes of the separation grooves correspond to those of the temperature sensing protrusions (202), and the separation grooves are provided with elastic belts (703) made of heat conducting materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322728145.0U CN220765319U (en) | 2023-10-11 | 2023-10-11 | Multilayer heat preservation plastic box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322728145.0U CN220765319U (en) | 2023-10-11 | 2023-10-11 | Multilayer heat preservation plastic box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220765319U true CN220765319U (en) | 2024-04-12 |
Family
ID=90612464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322728145.0U Active CN220765319U (en) | 2023-10-11 | 2023-10-11 | Multilayer heat preservation plastic box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220765319U (en) |
-
2023
- 2023-10-11 CN CN202322728145.0U patent/CN220765319U/en active Active
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