CN111879044A

CN111879044A - Refrigerator with hot-melting separated drawer and using method thereof

Info

Publication number: CN111879044A
Application number: CN202010633142.7A
Authority: CN
Inventors: 高国芳; 王焕江; 王乾科
Original assignee: Jiangsu Shenhua Electronic Co Ltd
Current assignee: Jiangsu Shenhua Electronic Co Ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-11-03

Abstract

The invention discloses a refrigerator with a hot-melt separation type drawer and a using method thereof, belonging to the technical field of refrigerators, the scheme can promote the mutual mixing of air and reducing iron powder and the heat release by pressing a contact plate, accelerate the melting of ice blocks between the self-heating drawer and the lower inner wall of a freezing chamber, thereby being convenient for taking the self-heating drawer out of the freezing chamber, promote the downward deformation of an elastic filter screen and enlarge the meshes of a movable rod by the release of the heat, promote the release of sodium chloride powder on one hand, thereby accelerating the melting of ice, promote the cutting of the ice blocks by the elastic filter screen by bending and deforming the elastic filter screen downwards, further accelerate the melting of the ice blocks, promote the release of stored oil in a lubricating cylinder by virtue of a C-shaped guide hole in the process of extruding the elastic filter screen by the lubricating cylinder, and on the other hand, during the moving of the self-heating, to lubricating between self-heating drawer and the freezing chamber, on the other hand, can make the difficult corrosion of elasticity filter screen.

Description

Refrigerator with hot-melting separated drawer and using method thereof

Technical Field

The invention relates to the technical field of refrigerators, in particular to a refrigerator with a hot-melt separated drawer and a using method thereof.

Background

The refrigerator is an appliance for keeping low temperature, food or other articles are kept in a constant low-temperature cold state to avoid spoilage, a ancient refrigerator is internally hung with tin wrap, a small hole is arranged at the bottom of the refrigerator, one of two cover plates is fixed on a refrigerator opening, the other cover plate is a movable plate in which ice blocks are placed to keep low temperature in the refrigerator, a compressor, an ice maker, a cabinet or a refrigerator for freezing and a storage box with a refrigerating device are arranged in a modern refrigerator body, the volume of the household refrigerator is usually 20-500 liters, the first compression type refrigerating household refrigerator is published in the United states in the world in 1910, a domestic absorption refrigerator is developed by Swedish Lidu corporation in 1925, a totally-enclosed refrigerator is developed by American general electric corporation in 1927, air cooling continuous diffusion absorption type refrigerators adopting different heating modes in 1930 are put on the market, a novel refrigerant Freon 12 is successfully developed in 1931, a domestic thermoelectric refrigerator is produced in the latter half of the 50 s, china began to produce refrigerators from the 50 s.

The types of refrigerators are various, and generally classified according to their internal cooling, use, climate environment, appearance, and cooling method, and the cold air forced circulation type: also known as indirect cooling type (air-cooled) or frost-free refrigerator, there is a small fan in the refrigerator to force the air in the refrigerator to flow, so the temperature in the refrigerator is even, the cooling speed is fast, the use is convenient, but because of having the defrosting system, the power consumption is slightly bigger, the manufacture is relatively complicated, the cold air natural convection type: the refrigerator is also called a direct cooling type or frosted refrigerator, the freezing chamber is directly surrounded by an evaporator, or the freezing chamber is internally provided with an evaporator, in addition, the upper part of the refrigerating chamber is provided with an evaporator, and the evaporator directly absorbs heat to cool, the structure of the refrigerator is relatively simple, the power consumption is low, but the temperature invalidity is slightly poor, the use is relatively inconvenient, and the cold air forced circulation and the natural convection are used together: the new products of the refrigerator in the form are adopted more, and the advantages of wind and direct cooling refrigerators are mainly taken into consideration.

Currently, during the use of the refrigerator, a drawer of the freezing chamber may be jammed between the inner bottom end of the freezing chamber and the drawer due to freezing, and thus the drawer may be damaged during the drawing of the drawer.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a refrigerator with a hot-melting separation type drawer and a using method thereof, aiming at solving the problems in the prior art, the scheme can promote the air and reducing iron powder to be mixed with each other and emit heat by pressing a contact plate, so as to accelerate the melting of ice blocks between the self-heating drawer and the lower inner wall of a freezing chamber, so that the self-heating drawer can be conveniently taken out of the freezing chamber, the downward deformation of an elastic filter screen can be promoted and the meshes of a movable rod can be enlarged by the release of the heat, on one hand, the release of sodium chloride powder can be promoted, so that the melting of ice is accelerated, on the other hand, the ice blocks are cut by the elastic filter screen by bending and deforming the elastic filter screen downwards, so that the melting of the ice blocks is further accelerated, in the process that the lubricating cylinder extrudes the elastic filter screen, the stored oil in the lubricating cylinder can be promoted to be released, to lubricating between self-heating drawer and the freezing chamber, on the other hand, can make the difficult corrosion of elasticity filter screen.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a refrigerator and application method with hot melt disconnect-type drawer, includes the refrigerator, it has a pair of freezer that distributes from top to bottom to open the chisel in the refrigerator, self-heating drawer is equipped with in the freezer, open the chisel in the self-heating drawer and have the chamber of heating and be located the left pull groove in the chamber of heating, it has the movable orifice to open the chisel between chamber of heating and the pull groove, the movable orifice is interior to be inserted and is equipped with the movable rod, movable rod right-hand member fixedly connected with is located the board that bulldozes of the intracavity of heating, movable rod left end fixedly connected with is located the contact plate of pull groove, fixedly connected with is located the compression spring in the movable rod outside between contact plate and the pull inslot bottom, fixedly connected with vertical spacer between the upper and lower inner wall in the chamber of heating, the vertical spacer inlays to be equipped with a pair of rubber seals that supports tightly each other, rubber seals and, the lateral separating sheets are filled with reducing iron powder, the pushing plate can be promoted to move right to push the air in the heating cavity to open the rubber sealing sheets by pressing the contact plate, and the air is extruded to the right side of the vertical separating sheets, so that the air and the reducing iron powder are forced to be mixed with each other and emit heat, the melting of ice blocks between the self-heating drawer and the lower inner wall of the freezing chamber can be accelerated, and the self-heating drawer can be conveniently taken out from the freezing chamber.

Further, the lower side of the transverse partition plate is filled with sodium chloride powder, a plurality of uniformly distributed lubricating cylinders are embedded in the transverse partition plate, a T-shaped impact plug is connected in the lubricating cylinders in a sliding manner, a plurality of uniformly distributed release holes are formed in the bottom end of the heating cavity, the lubricating cylinders are located in the release holes, elastic filter screens are fixedly connected to the bottom ends of the T-shaped impact plugs and fixedly connected with the inner walls of the release holes, when air and reducing iron powder are mixed, air expansion between the transverse partition plate and the upper inner wall of the heating cavity can be promoted through heat release, the transverse partition plate is forced to deform downwards, the lubricating cylinders are pushed along the release holes, the elastic filter screens are promoted to deform downwards, meshes of the movable rods are increased, on one hand, the release of the sodium chloride powder can be promoted, the melting of ice is accelerated, and on the other hand, the elastic filter screens are bent downwards to deform, the elastic filter screen can be promoted to cut ice cubes during the moving process of the self-heating drawer, so that the melting of the ice cubes is further accelerated.

Further, lubricating cylinder inner wall fixedly connected with rubber disk, it has the storage oil to fill between lubricating cylinder and the rubber disk, the C shape guide hole that has a plurality of evenly distributed is dug to the outer end of stopper is strikeed to T shape, at the in-process of lubricating cylinder extrusion elasticity filter screen, through the mutual slip between the stopper is strikeed to lubricating cylinder and T shape, and the extrusion to the rubber disk with the help of the air of horizontal spacer upside, can promote the storage oil in the lubricating cylinder with the help of C shape guide hole release, on the one hand at the in-process that self-heating drawer removed, to lubricating between self-heating drawer and the freezer, can also reduce the possibility that self-heating drawer is worn and torn by incomplete garrulous ice-cube with higher speed when self-heating drawer takes out, on the other hand, can be through the infiltration of storage oil to elasticity filter screen, thereby make elasticity filter screen be difficult.

Furthermore, the bottom end of the self-heating drawer is provided with an adding hole communicated with the heating cavity, the adding hole is internally in threaded connection with a sealing plug, and the adding hole and the sealing plug are arranged, so that new sodium chloride powder can be conveniently replaced or supplemented after the reducing iron powder in the heating cavity fails.

Further, inner wall fixedly connected with stopper on the pull groove, the stopper is located the contact plate outside, stopper and the inside equal fixedly connected with magnet piece of contact plate, two the magnet piece attracts each other, through setting up the stopper, can reduce the possibility that the contact plate excessively pops out, through the magnet piece that sets up inter attraction in stopper and contact plate inside, can be so that contact plate and stopper are difficult for separating.

Furthermore, the outer end of the pushing plate is fixedly connected with a sealing ring which is abutted against the inner wall of the heating cavity, and the sealing ring is arranged, so that the sealing performance between the pushing plate and the inner wall of the heating cavity in the moving process can be improved.

Furthermore, a filter screen is fixedly connected between the transverse separating sheet and the upper inner wall of the heating cavity, the filter screen is positioned on the left side of the reducing iron powder, the aperture of the meshes of the filter screen is smaller than the particle size of the reducing iron powder, and the possibility that the reducing iron powder is brought into the left side of the vertical separating sheet in the process of moving the pushing plate back can be reduced by arranging the filter screen.

Further, the storage oil is made of soybean oil, the melting point of the storage oil is-20 ℃, and the storage oil is made of the soybean oil, so that the storage oil is not easy to freeze, and the storage oil can be conveniently released.

A use method of a drawer based on a hot-melt separation type refrigerator comprises the following steps:

s1, the contact plate is pressed, so that the air and the reducing iron powder can be promoted to be mixed with each other and emit heat, the melting of ice blocks between the self-heating drawer and the lower inner wall of the freezing chamber is accelerated, and the self-heating drawer can be conveniently taken out of the freezing chamber;

s2, through the release of heat, the downward deformation of the elastic filter screen can be promoted, the meshes of the movable rod can be enlarged, on one hand, the release of sodium chloride powder can be promoted, so that the melting of ice is accelerated, on the other hand, the downward bending deformation of the elastic filter screen is promoted, so that the elastic filter screen cuts ice blocks, and the melting of the ice blocks is further accelerated;

s3, in the process that the lubricating cylinder extrudes the elastic filter screen, the stored oil in the lubricating cylinder can be promoted to be released by virtue of the C-shaped guide hole, on one hand, the self-heating drawer is lubricated with the freezing chamber in the moving process of the self-heating drawer, and on the other hand, the elastic filter screen is not easy to rust.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the proposal can promote the air and the reducing iron powder to be mixed with each other and emit heat by pressing the contact plate, accelerate the melting of ice blocks between the self-heating drawer and the lower inner wall of the freezing chamber, thereby being convenient for taking out the self-heating drawer from the freezing chamber, promoting the downward deformation of the elastic filter screen and enlarging the meshes of the movable rod through the release of heat, on one hand promoting the release of sodium chloride powder, thereby accelerating the melting of the ice, on the other hand, the elastic filter screen is driven to cut the ice blocks by bending and deforming the elastic filter screen downwards, thereby further accelerating the melting of the ice blocks, during the process that the lubricating cylinder extrudes the elastic filter screen, the stored oil in the lubricating cylinder can be promoted to be released by the C-shaped guide hole, on the one hand, during the process that the self-heating drawer moves, to lubricating between self-heating drawer and the freezing chamber, on the other hand, can make the difficult corrosion of elasticity filter screen.

(2) The bottom end of the self-heating drawer is provided with an adding hole communicated with the heating cavity, the adding hole is internally in threaded connection with a sealing plug, and the adding hole and the sealing plug are arranged, so that new sodium chloride powder can be conveniently replaced or supplemented after the reducing iron powder in the heating cavity fails.

(3) Inner wall fixedly connected with stopper on the pull groove, the stopper is located the contact plate outside, and stopper and the inside equal fixedly connected with magnet piece of contact plate, two magnet piece inter attraction, through setting up the stopper, can reduce the possibility that the contact plate excessively popped out, through the magnet piece that sets up inter attraction in stopper and contact plate inside, can be so that contact plate and stopper are difficult for separating.

(4) The outer end of the pushing plate is fixedly connected with a sealing ring which is abutted against the inner wall of the heating cavity, and the sealing ring is arranged, so that the sealing property between the pushing plate and the inner wall of the heating cavity in the moving process can be improved.

(5) The filter screen is fixedly connected between the transverse separating sheet and the upper inner wall of the heating cavity, the filter screen is positioned on the left side of the reducing iron powder, the aperture of the mesh of the filter screen is smaller than the particle size of the reducing iron powder, and the filter screen is arranged, so that the possibility that the reducing iron powder is brought into the left side of the vertical separating sheet in the process of moving back the pushing plate can be reduced.

(6) The storage oil is made of soybean oil, the melting point of the storage oil is-20 ℃, and the storage oil is not easy to freeze by using the soybean oil, so that the storage oil can be conveniently released.

Drawings

Fig. 1 is a perspective view of a refrigerator of the present invention;

fig. 2 is a sectional view of a refrigerator of the present invention;

FIG. 3 is a cross-sectional view of the self-heating drawer portion of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the structure at B in FIG. 3;

fig. 6 is a schematic structural diagram at C in fig. 3.

The reference numbers in the figures illustrate:

1 refrigerator, 2 freezing chamber, 3 self-heating drawer, 301 sealing plug, 4 heating chamber, 5 drawing groove, 501 limited block, 6 movable hole, 7 movable rod, 8 pushing plate, 801 sealing ring, 9 contact plate, 901 compression spring, 10 vertical separating sheet, 11 rubber sealing sheet, 12 horizontal separating sheet, 1201 filter screen, 13 reducing iron powder, 14 sodium chloride powder, 15 lubricating cylinder, 16T-shaped impact plug, 17 elastic filter screen, 18 rubber disk, 19 oil storage, 20C-shaped guide hole.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-5, a refrigerator with a hot-melt separation type drawer and a method for using the same, comprising a refrigerator 1, a pair of freezing chambers 2 distributed up and down are chiseled in the refrigerator 1, a self-heating drawer 3 is inserted in the freezing chamber 2, a heating chamber 4 and a drawing groove 5 positioned at the left side of the heating chamber 4 are chiseled in the self-heating drawer 3, a movable hole 6 is chiseled between the heating chamber 4 and the drawing groove 5, a movable rod 7 is inserted in the movable hole 6, a push-press plate 8 positioned in the heating chamber 4 is fixedly connected at the right end of the movable rod 7, a contact plate 9 positioned in the drawing groove 5 is fixedly connected at the left end of the movable rod 7, a compression spring 901 positioned at the outer side of the movable rod 7 is fixedly connected between the contact plate 9 and the inner bottom end of the drawing groove 5, a vertical separation sheet 10 is fixedly connected between the upper and lower inner walls of the heating chamber, the rubber sealing sheet 11 and the right inner wall of the heating cavity 4 are fixedly connected with a transverse separating sheet 12, reducing iron powder 13 is filled on the upper side of the transverse separating sheet 12, the pushing plate 8 can be promoted to move right to push the air in the heating cavity 4 to open the rubber sealing sheet 11 by pressing the contact plate 9, the air is pushed to the right side of the vertical separating sheet 10, the air and the reducing iron powder are forced to be mixed with each other and emit heat, the melting of ice blocks between the lower inner walls of the self-heating drawer 3 and the freezing chamber 2 can be accelerated, and the self-heating drawer 3 can be conveniently taken out from the freezing chamber 2.

Referring to fig. 5-6, the lower side of the transverse partition 12 is filled with sodium chloride powder 14, a plurality of uniformly distributed lubricating cylinders 15 are embedded in the transverse partition 12, a T-shaped impact plug 16 is slidably connected in the lubricating cylinders 15, a plurality of uniformly distributed release holes are drilled at the inner bottom end of the heating cavity 4, the lubricating cylinders 15 are located in the release holes, an elastic filter screen 17 is fixedly connected at the bottom end of the T-shaped impact plug 16, the elastic filter screen 17 is fixedly connected with the inner wall of the release holes, when the air and the reducing iron powder are mixed, the air expansion between the transverse partition 12 and the upper inner wall of the heating cavity 4 can be promoted through the heat release, the transverse partition 12 is forced to deform downwards, the lubricating cylinders 15 are pushed along the release holes, the elastic filter screen 17 is promoted to deform downwards, the mesh of the movable rod 7 is enlarged, on one hand, the release of the sodium chloride powder 14 can be promoted, thereby accelerating the melting, on the other hand, the elastic filter screen 17 is bent downwards to cause the elastic filter screen 17 to cut ice cubes during the movement of the self-heating drawer 3, so that the melting of the ice cubes is further accelerated.

Referring to fig. 6, a rubber disc 18 is fixedly connected to the inner wall of the lubrication cylinder 15, a storage oil 19 is filled between the lubrication cylinder 15 and the rubber disc 18, a plurality of C-shaped guide holes 20 are drilled at the outer end of the T-shaped impact plug 16, during the process of pressing the elastic filter screen 17 by the lubricating cylinder 15, through the mutual sliding between the lubricating cylinder 15 and the T-shaped impact plug 16, and through the pressing of the rubber disc 18 by the air on the upper side of the transverse partition plate 12, the release of the stored oil 19 in the lubricant cartridge 15 by means of the C-shaped guide opening 20 can be facilitated, on the one hand during the movement of the self-heating drawer 3, lubrication is provided between the self-heating drawer 3 and the freezing chamber 2, so that the self-heating drawer 3 can be drawn out more quickly, the possibility of the self-heating drawer 3 being worn by the residual ice can be reduced, and on the other hand, the elastic screen 17 can be wetted by the stored oil 19, so that the elastic screen 17 is not easily rusted.

Referring to fig. 3-4, an adding hole communicated with the heating cavity 4 is drilled at the bottom end of the self-heating drawer 3, the adding hole is connected with a sealing plug 301 by a thread, after the reductive iron powder 13 in the heating cavity 4 fails, the new sodium chloride powder 14 can be conveniently replaced or supplemented by arranging the adding hole and the sealing plug 301, a limiting block 501 is fixedly connected to the upper inner wall of the drawing groove 5, the limiting block 501 is positioned at the outer side of the contact plate 9, magnet blocks are fixedly connected inside the limiting block 501 and the contact plate 9, the two magnet blocks attract each other, the possibility of excessive ejection of the contact plate 9 can be reduced by arranging the limiting block 501, the contact plate 9 and the limiting block 501 are not easy to separate, a sealing ring 801 is fixedly connected to the outer end of the pushing plate 8, and the sealing ring 801 is abutted against the inner wall of the heating cavity 4, by providing the seal ring 801, the sealing performance between the push plate 8 and the inner wall of the heating chamber 4 during movement can be improved.

Referring to fig. 5-6, a filter screen 1201 is fixedly connected between the transverse partition 12 and the upper inner wall of the heating chamber 4, the filter screen 1201 is located on the left side of the reducing iron powder 13, the mesh aperture of the filter screen 1201 is smaller than the particle size of the reducing iron powder 13, the filter screen 1201 is arranged to reduce the possibility that the reducing iron powder is brought into the left side of the vertical partition 10 in the process of moving the pushing plate 8 back, the storage oil 19 is made of soybean oil, the melting point of the storage oil 19 is-20 ℃, and the storage oil 19 is made of soybean oil, so that the storage oil 19 is not easily frozen, and the release of the storage oil 19 is facilitated.

s1, the contact plate 9 is pressed, so that the air and the reducing iron powder can be promoted to be mixed with each other and emit heat, the melting of ice blocks between the self-heating drawer 3 and the lower inner wall of the freezing chamber 2 is accelerated, and the self-heating drawer 3 can be conveniently taken out of the freezing chamber 2;

s2, through the release of heat, the elastic filter screen 17 can be promoted to deform downwards and the meshes of the movable rod 7 can be enlarged, so that on one hand, the release of the sodium chloride powder 14 can be promoted, the melting of ice is accelerated, on the other hand, the elastic filter screen 17 is promoted to cut ice blocks through the downward bending deformation of the elastic filter screen 17, and the melting of the ice blocks is further accelerated;

s3, during the process of pressing the elastic filter screen 17 by the lubricating cylinder 15, the stored oil 19 in the lubricating cylinder 15 can be promoted to be released through the C-shaped guide hole 20, so that the self-heating drawer 3 is lubricated with the freezing chamber 2 during the moving process of the self-heating drawer 3, and the elastic filter screen 17 is not easily rusted.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a based on hot melt disconnect-type refrigerator drawer, includes refrigerator (1), its characterized in that: the refrigerator is characterized in that a pair of freezing chambers (2) distributed up and down are chiseled in the refrigerator (1), a self-heating drawer (3) is inserted into each freezing chamber (2), a heating chamber (4) and a drawing groove (5) positioned on the left side of the heating chamber (4) are chiseled in each self-heating drawer (3), a movable hole (6) is chiseled between each heating chamber (4) and the drawing groove (5), a movable rod (7) is inserted into each movable hole (6), the right end of each movable rod (7) is fixedly connected with a pushing plate (8) positioned in the corresponding heating chamber (4), the left end of each movable rod (7) is fixedly connected with a contact plate (9) positioned in the corresponding drawing groove (5), a compression spring (901) positioned on the outer side of each movable rod (7) is fixedly connected between the inner bottom ends of each contact plate (9) and the corresponding drawing groove (5), and vertical partition sheets (10) are fixedly connected between the upper inner wall and, the vertical separating sheet (10) is embedded with a pair of rubber sealing sheets (11) which are abutted against each other, a transverse separating sheet (12) is fixedly connected between the rubber sealing sheets (11) and the right inner wall of the heating cavity (4), and reducing iron powder (13) is filled on the upper side of the transverse separating sheet (12).

2. The drawer based on the hot melt disconnect-type refrigerator of claim 1, characterized in that: horizontal spacer (12) downside is filled with sodium chloride powder (14), embedded lubricating cylinder (15) that are equipped with a plurality of evenly distributed of horizontal spacer (12), sliding connection has T shape to strike stopper (16) in lubricating cylinder (15), it has a plurality of evenly distributed's release hole to open the chisel in chamber (4) interior bottom, lubricating cylinder (15) are located the release hole, T shape strikes stopper (16) bottom fixed connection has elastic screen (17), elastic screen (17) and release hole inner wall fixed connection.

3. The drawer based on the hot melt disconnect-type refrigerator of claim 1, characterized in that: the inner wall of the lubricating cylinder (15) is fixedly connected with a rubber wafer (18), oil storage (19) is filled between the lubricating cylinder (15) and the rubber wafer (18), and a plurality of uniformly distributed C-shaped guide holes (20) are drilled at the outer end of the T-shaped impact plug (16).

4. The drawer based on the hot melt disconnect-type refrigerator of claim 1, characterized in that: an adding hole communicated with the heating cavity (4) is formed in the inner bottom end of the self-heating drawer (3) in a chiseled mode, and a sealing plug (301) is connected to the inner thread of the adding hole in a threaded mode.

5. The drawer based on the hot melt disconnect-type refrigerator of claim 1, characterized in that: inner wall fixedly connected with stopper (501) on pull groove (5), stopper (501) are located the contact plate (9) outside, stopper (501) and the equal fixedly connected with magnet piece in contact plate (9) inside, two the magnet piece attracts each other.

6. The drawer based on the hot melt disconnect-type refrigerator of claim 1, characterized in that: the outer end of the pushing plate (8) is fixedly connected with a sealing ring (801), and the sealing ring (801) is abutted against the inner wall of the heating cavity (4).

7. The drawer based on the hot melt disconnect-type refrigerator of claim 1, characterized in that: a filter screen (1201) is fixedly connected between the transverse separating sheet (12) and the upper inner wall of the heating cavity (4), the filter screen (1201) is positioned on the left side of the reducing iron powder (13), and the aperture of the meshes of the filter screen (1201) is smaller than the particle size of the reducing iron powder (13).

8. The drawer based on the hot melt disconnect-type refrigerator of claim 1, characterized in that: the storage oil (19) is made of soybean oil, and the melting point of the storage oil (19) is-20 ℃.

9. The use method of the drawer based on the hot melt separation type refrigerator according to any one of claims 1 to 8, wherein: the method comprises the following steps:

s1, the contact plate (9) is pressed, so that the air and the reducing iron powder can be promoted to be mixed with each other and emit heat, the melting of ice blocks between the self-heating drawer (3) and the lower inner wall of the freezing chamber (2) is accelerated, and the self-heating drawer (3) can be conveniently taken out of the freezing chamber (2);

s2, through the release of heat, the downward deformation of the elastic filter screen (17) can be promoted, the meshes of the movable rod (7) can be enlarged, on one hand, the release of sodium chloride powder (14) can be promoted, so that the melting of ice is accelerated, on the other hand, the elastic filter screen (17) is promoted to cut ice blocks through the downward bending deformation of the elastic filter screen (17), so that the melting of the ice blocks is further accelerated;

s3, in the process that the lubricating cylinder (15) extrudes the elastic filter screen (17), the stored oil (19) in the lubricating cylinder (15) can be promoted to be released through the C-shaped guide hole (20), on one hand, the self-heating drawer (3) and the freezing chamber (2) are lubricated in the moving process of the self-heating drawer (3), and on the other hand, the elastic filter screen (17) is not easy to rust.