CN119268234A - A lightweight luggage refrigerator that is easy to carry outdoors - Google Patents

Abstract

The invention discloses a lightweight luggage refrigerator that is easy to carry outdoors, comprising an inner liner, wherein at least one freezing chamber is arranged in the inner liner; a heat-insulating layer, wherein the heat-insulating layer is sleeved on the outer surface of the inner liner; a bottom bracket assembly, wherein the bottom bracket assembly is arranged at the bottom of the inner liner and an accommodating chamber is arranged in the bottom bracket assembly; a refrigerating assembly, wherein the refrigerating assembly is arranged in the accommodating chamber and cools the freezing chamber of the inner liner; an outer skin layer, wherein the outer skin layer is sleeved on the outer side of the heat-insulating layer and the bottom bracket assembly; a box cover, wherein the box cover covers the inner liner and the heat-insulating layer to close the freezing chamber, and one side of the box cover is rotatably connected to the outer skin layer; and a shoulder strap, wherein the shoulder strap is arranged on the outer skin layer for a user to carry, so that the inner liner, the heat-insulating layer and the bottom bracket assembly form a whole in a state covered by the outer skin layer, thereby simplifying the overall structure of the luggage refrigerator, and simultaneously replacing the metal shell with the outer skin layer greatly reduces the overall weight of the luggage refrigerator, thereby making it easy to carry and move outdoors.

Description

Light case and bag refrigerator convenient to outdoor carrying

[ Technical field ]

The invention relates to the field of refrigerators and bags, in particular to a light-weight bag refrigerator convenient to carry outdoors.

[ Background Art ]

Outdoor mountain climbing, camping and the like become the first choice of a plurality of consumers, and food can be carried and enjoyed in outdoor travel. Limited by the functions of outdoor common backpacks, food materials carried by consumers are often limited to baked foods, dairy products, beverages and the like, and the food materials cannot be carried with food products or food materials which need to be frozen, so that the dining experience of outdoor activities can be certainly reduced. Therefore, how to maintain the freshness of food materials or the freezing effect of beverages outdoors becomes a problem in current outdoor travel. In addition, outdoor exercises are high in physical consumption, and particularly for women, the food material is provided with a certain weight, so that on the basis of carrying a certain amount of food material, how to design a light and portable refrigeration case and bag can solve the technical problem of how to reduce dead weight while guaranteeing the refrigeration effect.

At present, a refrigeration knapsack is visible in the market, and a short-term low-temperature state is maintained by adopting an ice bag in a common mode, and the low-temperature effect is poor. In addition, an insulation box, such as a take-out box, has light dead weight, and mainly adopts a mode of insulation ice bags and the like to realize a low-temperature effect in a period of time, but cannot keep a stable low-temperature state for a long time, has limited insulation performance, and is difficult to keep fresh and frozen effects of food and beverage for a long time in an outdoor environment. In addition, the refrigeration package adopts a semiconductor condensation plate mode for refrigeration, and the semiconductor refrigeration efficiency is low, and the refrigeration temperature range is limited. Other refrigeration equipment with good refrigeration effect, such as a vehicle-mounted refrigerator and the like, adopts a compressor refrigeration mode, the refrigeration efficiency is generally higher, and a larger temperature difference can be achieved, but the vehicle-mounted refrigerator is mostly made of metal or heavy materials, so that the whole weight is larger, and the carrying and the moving of a user are not facilitated. Therefore, the existing bags in the market cannot meet the requirements of maintaining low-temperature fresh-keeping and freezing effects and light-weight design on food materials in outdoor activities. The present project is based on this expansion.

[ Summary of the invention ]

The invention overcomes the defects of the prior art, and provides the light luggage refrigerator which is convenient to carry outdoors, lightens the overall weight of the refrigerator and is convenient to carry and move.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

a light luggage refrigerator convenient for outdoor carrying is characterized by comprising

The inner container is internally provided with at least one freezing cavity;

the heat preservation layer is sleeved on the outer side surface of the inner container;

The bottom bracket component is arranged at the bottom of the liner, and a containing cavity is arranged in the bottom bracket component;

The refrigerating assembly is arranged in the accommodating cavity and is used for refrigerating the refrigerating cavity of the inner container;

the outer skin layer is sleeved outside the heat insulation layer and the bottom bracket component;

the box cover is covered on the inner container and the heat preservation layer to seal the freezing cavity, and one side of the box cover is rotationally connected with the outer skin layer;

The braces are arranged on the outer skin layer for users to bear.

The light luggage refrigerator convenient to carry outdoors is characterized in that the inner container is a plastic inner container, the heat preservation layer is a polyurethane foaming layer, the outer skin layer is a polyurethane outer skin layer, and the case cover is a polyurethane case cover.

The light luggage refrigerator convenient for outdoor carrying is characterized in that the refrigeration component comprises

The evaporator is contacted with the liner;

The compressor is arranged in the accommodating cavity, and the input end of the compressor is communicated with one end of the evaporator;

the condenser is arranged in the accommodating cavity, and two ends of the condenser are respectively communicated with the other end of the evaporator and the output end of the compressor;

And the cooling fan is connected with the condenser.

The light luggage refrigerator convenient to carry outdoors is characterized in that the evaporator is arranged on the outer side face of the inner container in a surrounding mode.

The light luggage refrigerator convenient for outdoor carrying is characterized in that the bottom bracket component comprises

The accommodating cavity is arranged in the bottom shell, and a bottom shell air inlet hole and a bottom shell air outlet hole are formed in the bottom surface of the bottom shell;

And the bottom surface of the skin layer is provided with a skin layer air inlet hole and a skin layer air outlet hole at positions corresponding to the bottom shell air inlet hole and the bottom shell air outlet hole respectively.

The light luggage refrigerator convenient for outdoor carrying is characterized in that the bottom bracket component comprises

The support bracket is arranged in the accommodating cavity, and the upper end of the support bracket is contacted with the bottom of the inner container, or the lower end of the support bracket is contacted with the bottom surface of the inner side of the bottom shell.

The light luggage refrigerator convenient to carry outdoors is characterized in that the compressor and the condenser are respectively fixed on the support bracket, the condenser is arranged at a position between the bottom shell air inlet hole and the bottom shell air outlet hole in the accommodating cavity, and the air outlet end of the cooling fan faces to the side of the bottom shell air outlet hole.

The light luggage refrigerator convenient to carry outdoors is characterized in that the upper end of the supporting bracket is embedded into the heat preservation layer to be contacted with the bottom of the liner.

The light luggage refrigerator convenient to carry outdoors is characterized in that the side surface of the supporting bracket is provided with a plurality of supporting bracket bending parts which extend outwards to press the inner side surface of the bottom shell.

The light luggage refrigerator convenient to carry outdoors is characterized in that the supporting bracket comprises a bracket base, a plurality of supporting rod groups are arranged on the bracket base, each supporting rod group consists of two supporting rods, a supporting frame which is embedded into the heat insulation layer and is in contact with the bottom of the liner is connected between the upper ends of the two supporting rods on each supporting rod group, and the bending parts of the supporting frames are arranged at the two ends of the supporting frame.

The light luggage refrigerator convenient to carry outdoors is characterized in that a separation plate is arranged between the bottom shell air inlet hole and the bottom shell air outlet hole in the accommodating cavity, and the cooling fan is arranged on the separation plate.

The light luggage refrigerator convenient to carry outdoors is characterized in that the bottom surface of the outer skin layer is provided with supporting feet connected with the bottom of the bottom shell.

The light luggage refrigerator convenient to carry outdoors is characterized in that the opening end of the inner container is provided with the inner container flanging which is bent outwards, and the bottom surface of the inner container flanging is contacted with the side surface of the opening end of the heat preservation layer.

The light luggage refrigerator convenient to carry outdoors is characterized in that a sealing zipper is arranged between the case cover and the outer skin layer.

The light luggage refrigerator convenient to carry outdoors is characterized in that a sealing component is arranged between the case cover and the outer skin layer.

The light luggage refrigerator convenient to carry outdoors is characterized in that the outer side of the outer skin layer is provided with the locking component for fixing the external battery, and one side surface of the bottom shell is provided with the power supply interface which penetrates through the outer skin layer and is electrically connected with the external battery and used for supplying power to the refrigerating component.

The light luggage refrigerator convenient to carry outdoors is characterized in that a touch panel assembly penetrating through an outer skin layer and used for setting temperature and displaying temperature is arranged on the lower side of the front side face of the bottom shell.

The beneficial effects of the invention are as follows:

1. the heat-insulating layer is sleeved outside the inner container, the bottom bracket component is arranged at the bottom of the inner container, and finally the outer layers of the heat-insulating layer and the bottom bracket component are covered by the outer layers, so that the inner container, the heat-insulating layer and the bottom bracket component form a whole in the outer layer covering state, the whole structure of the luggage refrigerator is simplified, meanwhile, the plastic inner container, the polyurethane foaming layer, the polyurethane outer layer, the polyurethane case cover and other light materials are adopted, and the outer layer replaces a metal shell, so that the whole weight of the luggage refrigerator is greatly reduced, and the luggage refrigerator is convenient to carry and move outdoors.

2. The refrigerator is provided with the refrigerating component, can continuously refrigerate the inner container, can keep food and beverage in a low-temperature state for a long time, meets the requirements of users on refrigerated food in self-driving tour or outdoor activities, can maximally expand the capacity of the inner container, and can reduce the whole gravity center and avoid falling of the refrigerator.

3. According to the invention, the polyurethane foaming layer is arranged on the outer side of the liner, so that the foaming technology is applied to the inside of the luggage refrigerator, thereby forming an efficient heat insulation layer, and ensuring the heat insulation effect and the heat insulation durability of the luggage refrigerator.

4. The invention is provided with the touch panel component, and the temperature is regulated by adopting the touch panel, so that a user can intuitively and quickly set the required temperature.

[ Description of the drawings ]

FIG. 1 is a schematic diagram of a preferred embodiment of the present invention;

FIG. 2 is a second schematic structural view of a preferred embodiment of the present invention;

FIG. 3 is an exploded view of the preferred embodiment of the present invention;

FIG. 4 is a schematic view showing a bottom case separation state of a bottom bracket assembly according to a preferred embodiment of the present invention;

FIG. 5 is a schematic diagram showing a separation state of insulation layers according to a preferred embodiment of the present invention;

FIG. 6 is a schematic view showing an assembled state of the bottom bracket assembly and the refrigeration assembly according to the preferred embodiment of the present invention;

FIG. 7 is an exploded view of the bottom bracket assembly and refrigeration assembly of the preferred embodiment of the present invention;

FIG. 8 is a third schematic structural view of the preferred embodiment of the present invention.

Detailed description of the preferred embodiments

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that all directional indications (such as up, down, left, right, front, rear, etc.) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indication is changed accordingly. Furthermore, the description of "preferred," "less preferred," and the like, herein is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "preferred", "less preferred" may include at least one such feature, either explicitly or implicitly.

As shown in figures 1-8, a light luggage refrigerator convenient for outdoor carrying comprises

The inner container 1 is internally provided with at least one freezing cavity 101;

The heat preservation layer 2 is sleeved on the outer side surface of the inner container 1;

The bottom bracket component 3 is arranged at the bottom of the liner 1, and the bottom bracket component 3 is internally provided with a containing cavity 301;

the refrigerating assembly 4 is arranged in the accommodating cavity 301 and is used for refrigerating the refrigerating cavity 101 of the liner 1;

The outer skin layer 5 is sleeved outside the heat insulation layer 2 and the bottom bracket component 3;

the box cover 6 is covered on the liner 1 and the heat preservation layer 2 to seal the freezing cavity 101, and one side of the box cover 6 is rotatably connected with the outer skin layer 5;

The back strap 11, the back strap 11 is arranged on the outer skin layer 5 for the user to bear.

In the scheme, the outer layer 5 is coated on the outer side of the heat preservation layer 2 and the bottom bracket component 4, so that the liner 1, the heat preservation layer 2 and the bottom bracket component 4 form a whole in the coating state of the outer layer 5, the whole structure of the luggage refrigerator is simplified, and meanwhile, the outer layer 5 is adopted to replace traditional metal, so that the weight of the luggage refrigerator is greatly reduced. On the other hand, the inner bag 1 is the plastics inner bag, and heat preservation 2 is polyurethane foam layer, and skin layer 5 is polyurethane skin layer, and case lid 6 is the polyurethane case lid, through adopting above-mentioned light material to further lighten the weight of case and bag refrigerator, has realized the lightweight of case and bag refrigerator, portable and removal.

In the scheme, the plastic inner container has the advantages of light weight, impact resistance, durability, water resistance and the like, the polyurethane foaming layer has the advantages of light weight, high efficiency, heat insulation and the like, food and beverage in a freezing cavity of the inner container can be kept in a low-temperature state for a long time, the polyurethane outer skin layer has the advantages of water resistance, wear resistance and the like, the inner heat insulation layer and the bottom support component can be well protected, the polyurethane box cover has the advantages of light weight, heat insulation, durability and the like, and good heat insulation effect can be ensured after the inner container is covered to seal the freezing cavity.

In the scheme, the refrigerating assembly 4 is arranged in the bottom bracket assembly 3 at the bottom of the luggage refrigerator, so that the capacity of the liner 1 can be maximized and enlarged, and meanwhile, the whole gravity center is reduced, and the luggage refrigerator is prevented from falling down.

As shown in fig. 4-8, the refrigeration assembly 4 includes

An evaporator 401, the evaporator 401 being in contact with the liner 1;

The compressor 402 is arranged in the accommodating cavity 301, and the input end of the compressor 402 is communicated with one end of the evaporator 401;

the condenser 403 is arranged in the accommodating cavity 301, and two ends of the condenser 403 are respectively communicated with the other end of the evaporator 401 and the output end of the compressor 402;

a radiator fan 404, the radiator fan 404 being connected to the condenser 403.

In the scheme, refrigeration is realized on the refrigerating cavity 101 through contact between the evaporator 401 and the outer wall of the inner container 1, and the evaporator 401 is arranged on the outer wall of the inner container 1 in a surrounding manner, so that the contact area between the evaporator 401 and the inner container 1 is increased, and the refrigerating effect of the refrigerating cavity 101 is greatly improved. And similarly, the refrigerating chamber of the liner can be refrigerated by a plate tube refrigeration form, an inflation refrigeration form or an air cooling refrigeration form.

In the scheme, the heat dissipation effect of the condenser 403 can be improved by arranging the heat dissipation fan 404, so that the volume of the condenser 403 is reduced, and the whole volume of the luggage refrigerator is reduced.

As shown in fig. 2-7, the bottom bracket assembly 3 includes

The bottom shell 302, the accommodating cavity 301 is arranged in the bottom shell 302, a bottom shell air inlet 3011 and a bottom shell air outlet 3012 are arranged on the bottom surface of the bottom shell 302, and a skin layer air inlet 501 and a skin layer air outlet 502 are respectively arranged on the bottom surface of the skin layer 5 at positions corresponding to the bottom shell air inlet 3011 and the bottom shell air outlet 3012;

The supporting bracket 303 is arranged in the accommodating cavity 301, and the upper end of the supporting bracket 303 is contacted with the bottom of the liner 1, or the lower end of the supporting bracket 303 is contacted with the bottom surface of the inner side of the bottom shell 302;

The compressor 402 and the condenser 403 are respectively fixed on the support bracket 303, and the condenser 403 is disposed in the accommodating cavity 301 at a position between the bottom shell air inlet 3011 and the bottom shell air outlet 3012, and the air outlet end of the cooling fan 404 is disposed toward the bottom shell air outlet 3012.

As shown in fig. 4-7, the heat insulation layer 2 comprises a side surface layer and a bottom surface layer, the upper end of a support bracket 303 is embedded into the heat insulation layer 2 and is in contact with the bottom of the liner 1, a plurality of support bracket bending parts 3035 extending outwards to press the inner side surface of the bottom shell 302 are arranged on the side surface of the support bracket 303, the support bracket 303 comprises a bracket base 3031, a plurality of support rod groups 3032 are arranged on the bracket base 3031, the support rod groups 3032 consist of two support rods 3033, a support bracket 3034 embedded into the heat insulation layer 2 and in contact with the bottom of the liner 1 is connected between the upper ends of the two support rods 3033 on the support rod groups 3032, and the support bracket bending parts 3035 are arranged at two ends of the support bracket 3034.

In the scheme, a supporting frame 3034 of a bottom bracket assembly 3 is embedded into a heat preservation layer 2 and supports an inner container 1, so that the inner container 1, the heat preservation layer 2 and a bottom shell 302 are connected into a whole, meanwhile, a compressor 402, a condenser 403 and a cooling fan 404 are respectively fixed on the bottom shell 302 through a bracket base 3031, on the other hand, a supporting frame bending part 3035 of the bottom bracket assembly 3 is in pressing connection with the inner wall of the bottom shell 302, so that the bottom shell 302 is supported from the inner side, the bottom shell 302 is prevented from deforming, and the outer skin layer 5 is also ensured to be supported. In this case, the bottom shell 302 is a plastic bottom shell, and the bottom bracket assembly 3 is formed by connecting sheet metal rods, so that the weight of the refrigerator is effectively reduced.

In the present case, during the refrigeration working process, the cooling fan 404 dissipates heat of the condenser 403, at this time, external air enters the accommodating cavity 301 from the outer skin layer air inlet hole 501 and the bottom shell air inlet hole 3011, the cooling fan 404 drives air to pass through the compressor 402 and the condenser 403 to dissipate heat, then enters the other side of the accommodating cavity 301, and finally is discharged out of the accommodating cavity 301 from the bottom shell air outlet hole 3012 and the outer skin layer air outlet hole 502, so as to realize the heat dissipation working of the compressor 402 and the condenser 403.

As shown in fig. 4 to 7, a partition plate 304 is disposed between the bottom case air inlet 3011 and the bottom case air outlet 3012 in the accommodating chamber 301, and a heat dissipation fan 404 is disposed on the partition plate 304. In the scheme, the accommodating cavity 301 is divided into two independent cavities by the partition plate 304, the bottom shell air inlet 3011 and the bottom shell air outlet 3012 are respectively arranged on the two independent cavities, in the heat dissipation process, air enters one independent cavity of the accommodating cavity 301 through the bottom shell air inlet 3011, under the action of the heat dissipation fan 404, the air dissipates heat of the compressor 402 and the condenser 403 and then enters the independent cavity on the other side of the accommodating cavity 301 through the partition plate 304, and finally is discharged from the bottom shell air outlet 3012, so that the heat dissipation effect is improved.

As shown in fig. 2, the bottom surface of the skin layer 5 is provided with a supporting foot 7 connected to the bottom of the bottom case 302. In this case, the supporting feet 7 are provided to enable the luggage refrigerator to be placed on the ground, and a gap is formed between the luggage refrigerator and the ground, so that external air enters and exits the accommodating cavity 301 to dissipate heat.

As shown in fig. 3, the case cover 6 is separately provided, and the case cover 6 is closed to the inner container 1 after being covered on the open end of the inner container 1. In the scheme, sealing components such as a sealing zipper, an EVA sealing strip or a magic tape sticking buckle can be arranged between the box cover 6 and the outer skin layer 5, the box cover 6 is tightly attached to the opening end of the liner 1, the sealing performance between the box cover 6 and the liner 1 is improved, and therefore the refrigerating effect of the refrigerating cavity 101 is improved. Meanwhile, in the scheme, a sealing ring can be arranged between the box cover 6 and the liner 1, so that the refrigerating effect of the refrigerating cavity 101 is further improved.

As shown in fig. 4-5, the opening end of the liner 1 is provided with an outwards bent liner flanging 102, and the bottom surface of the liner flanging 102 is contacted with the side surface of the opening end of the heat insulation layer 2. In the scheme, the inner cavity of the heat preservation layer 2 is sealed through the liner flanging 102, so that the outward leakage of refrigerating air is reduced, the heat preservation layer 2 is better fixed, and meanwhile, sealing components such as a sealing zipper and the like can be opened, so that the box cover 6 is tightly attached to the opening end of the liner 1.

As shown in fig. 1, a touch panel assembly 10 for setting and displaying temperature is provided at the lower side of the front side of the bottom chassis 302 through the skin layer 5. In the scheme, the temperature is regulated by adopting the touch panel, so that a user can intuitively set the temperature in the refrigerator, and the operation is simple, convenient and quick.

As shown in fig. 1, a locking assembly 8 for fixing an external battery is arranged at the outer side of the outer skin layer 5. In this case, the locking component 8 may be an elastic cord, a receiving bag or a buckle, for receiving or hanging and fixing the external battery. A power supply interface 9 which passes through the outer skin layer 5 and is electrically connected with an external battery for supplying power to the refrigeration assembly 4 is arranged on one side surface of the bottom shell 302. In the scheme, an external battery is connected with a power supply interface 9 through a connecting wire to supply power to an internal power utilization component of the luggage refrigerator.

As shown in fig. 1 and 8, the back side of the outer skin layer 5 is further provided with a chest buckling belt 12 and a waist buckling belt 13, so that the case refrigerator can be firmly carried on the back of a user, the back side of the outer skin layer 5 is provided with a back pad 14, the comfort of carrying the backpack is improved, the side of the outer skin layer 5 is provided with a side bag 15 for placing small objects, the side of the outer skin layer 5 is provided with a case buckling belt 16 for lifting the case refrigerator or hanging the small objects, and the top surface of the case cover 6 is provided with a case cover handle 17, so that the case cover 6 is convenient to open.

The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (17)

1. A light luggage refrigerator convenient for outdoor carrying is characterized by comprising

The inner container (1), there is at least one freezing chamber (101) in the inner container (1);

The heat preservation layer (2), the heat preservation layer (2) is sleeved on the outer side surface of the inner container (1);

The bottom bracket assembly (3), the bottom bracket assembly (3) is arranged at the bottom of the liner (1), and the bottom bracket assembly (3) is internally provided with a containing cavity (301);

The refrigerating assembly (4) is arranged in the accommodating cavity (301) and is used for refrigerating the refrigerating cavity (101) of the liner (1);

The outer skin layer (5), the outer skin layer (5) is sleeved outside the heat insulation layer (2) and the bottom bracket component (3);

The box cover (6) is covered on the liner (1) and the heat preservation layer (2) to seal the freezing cavity (101), and one side of the box cover (6) is rotationally connected with the outer skin layer (5);

the back strap (11), the back strap (11) is arranged on the outer skin layer (5) for users to bear.

2. The outdoor portable light luggage refrigerator of claim 1, wherein the inner container (1) is a plastic inner container, the heat preservation layer (2) is a polyurethane foaming layer, the outer skin layer (5) is a polyurethane outer skin layer, and the case cover (6) is a polyurethane case cover.

3. A portable outdoor light luggage refrigerator according to claim 1, wherein the refrigeration unit (4) comprises

An evaporator (401), wherein the evaporator (401) is in contact with the liner (1);

the compressor (402) is arranged in the accommodating cavity (301), and the input end of the compressor (402) is communicated with one end of the evaporator (401);

The condenser (403), the condenser (403) is set up in holding the cavity (301), and the both ends of the condenser (403) communicate with another end of the evaporator (401), output end of the compressor (402) separately;

and a radiator fan (404), wherein the radiator fan (404) is connected to the condenser (403).

4. A portable outdoor light luggage refrigerator according to claim 3, wherein the evaporator (401) is disposed around the outer side of the inner container (1).

5. A portable outdoor light luggage refrigerator according to claim 3, wherein the bottom bracket assembly (3) comprises

The bottom shell (302), the accommodating cavity (301) is arranged in the bottom shell (302), and a bottom shell air inlet hole (3011) and a bottom shell air outlet hole (3012) are formed in the bottom surface of the bottom shell (302);

and the bottom surface of the outer skin layer (5) is provided with an outer skin layer air inlet hole (501) and an outer skin layer air outlet hole (502) corresponding to the bottom shell air inlet hole (3011) and the bottom shell air outlet hole (3012) respectively.

6. A portable outdoor light luggage refrigerator according to claim 5, wherein the bottom bracket assembly (3) comprises

The support bracket (303), support bracket (303) sets up in holding chamber (301), and support bracket (303) upper end and inner bag (1) bottom contact, or support bracket (303) lower extreme and drain pan (302) inboard bottom surface contact.

7. The outdoor portable light luggage refrigerator of claim 6, wherein the compressor (402) and the condenser (403) are respectively fixed on the support bracket (303), the condenser (403) is arranged in the accommodating cavity (301) at a position between the bottom shell air inlet hole (3011) and the bottom shell air outlet hole (3012), and the air outlet end of the cooling fan (404) is arranged towards the side of the bottom shell air outlet hole (3012).

8. The outdoor portable light luggage refrigerator of claim 6, wherein the upper end of the supporting bracket (303) is embedded into the heat insulation layer (2) and is contacted with the bottom of the liner (1).

9. The outdoor portable light luggage refrigerator of claim 6 or 8, wherein the side of the supporting bracket (303) is provided with a plurality of supporting bracket bending parts (3035) which extend outwards to press the inner side of the bottom shell (302).

10. The outdoor portable light luggage refrigerator of claim 9, wherein the support bracket (303) comprises a bracket base (3031), a plurality of support rod groups (3032) are arranged on the bracket base (3031), each support rod group (3032) consists of two support rods (3033), a support frame (3034) embedded in the heat insulation layer (2) and contacted with the bottom of the liner (1) is connected between the upper ends of the two support rods (3033) on the support rod groups (3032), and support frame bending parts (3035) are arranged at two ends of the support frame (3034).

11. The outdoor portable light luggage refrigerator of claim 7, wherein a partition plate (304) is arranged between the bottom shell air inlet hole (3011) and the bottom shell air outlet hole (3012) in the accommodating cavity (301), and the cooling fan (404) is arranged on the partition plate (304).

12. The outdoor portable light luggage refrigerator of claim 5, wherein the bottom of the outer skin layer (5) is provided with supporting feet (7) connected with the bottom of the bottom shell (302).

13. The outdoor portable light luggage refrigerator of claim 1, wherein the opening end of the inner container (1) is provided with an outer bent inner container flanging (102), and the bottom surface of the inner container flanging (102) is contacted with the side surface of the opening end of the heat preservation layer (2).

14. The outdoor portable light luggage refrigerator of claim 1 or 13, wherein a sealing zipper is arranged between the case cover (6) and the outer skin layer (5).

15. The outdoor portable light luggage refrigerator of claim 14, wherein a sealing assembly is arranged between the case cover (6) and the outer skin layer (5).

16. The outdoor portable light luggage refrigerator of claim 1, wherein the outer side of the outer skin layer (5) is provided with a locking component (8) for fixing an external battery, and one side of the bottom shell (302) is provided with a power supply interface (9) which penetrates through the outer skin layer (5) and is electrically connected with the external battery to supply power to the refrigerating component (4).

17. The outdoor portable light luggage refrigerator of claim 1, wherein the lower side of the front side of the bottom shell (302) is provided with a touch panel assembly (10) penetrating through the skin layer (5) for setting temperature and displaying temperature.