CN215412712U

CN215412712U - Metal tube capable of penetrating through the metal inner layer of refrigerator without plastic frame and polystyrene

Info

Publication number: CN215412712U
Application number: CN202121296761.8U
Authority: CN
Inventors: 张大光
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-01-04
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a metal tube which can pass through the metal inner layer of a refrigerator without plastic frame and polystyrene; a metal fresh-keeping heat-insulating conveying inner and outer box frames and a double-layer cover plate, which is built-in with an airtight inner layer; a metal box frame in the freezing cabinet of the pentahedron refrigerator, which is arranged in the pentahedron outer metal box frame with larger volume, a long metal pipe is arranged between the two pentahedron metal box frames and penetrates through the walls of the inner metal box frame and the outer metal box frame, a space which is kept not to be contacted is reserved, the two pentahedron metal box frames are welded in an airtight way, and a space inner layer is arranged in the metal box frames; a refrigerant passing through metal pipe, each length of which is the same as the connection distance between the components of the refrigerator freezer, and which is hermetically welded between the hole penetrating through the wall plate of the metal outer frame of the refrigerator freezer and the two ends of the corresponding hole of the wall plate of the metal inner frame of the refrigerator freezer. By adopting the design of the inner layer of the space, the heat preservation requirement of the refrigerator and the freezer can be met.

Description

Metal tube capable of penetrating through the metal inner layer of refrigerator without plastic frame and polystyrene

Technical Field

The present invention relates to the field of heat insulation by injecting polyurethane foam polystyrene into the plastic inner frame and door frame of refrigerator and freezer.

Background

The refrigerator and the refrigerator manufactured globally have a metal outer shell, wherein a pentahedron inner frame is integrally injected by PVC plastics, an interlayer between the metal outer shell and the integral plastic inner frame of the refrigerator and an interlayer of the refrigerator door comprise a Baolilong fresh heat preservation conveying box and a cover plate, injected polyurethane foam plastics Baolilong are filled for heat preservation, and the pentahedron plastic inner frame and the inner frame of the refrigerator door are respectively made of injected foam plastics, so that the difficulty of environmental protection recycling is avoided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a metal tube which can pass through the metal inner layer of a refrigerator without a plastic frame and a Styrofoam in an airtight manner.

It is known that the 2018 Paris agreement is low-carbon continuous operation, and any heat-preservation fiber cannot be recycled at all, so that the heat-preservation fiber and the material filled with polyurethane foam plastic polystyrene cannot be recycled at all, and therefore, the method is the only method capable of optimizing the functions of heat preservation, heat insulation, sound insulation and the like by replacing a refrigerator, a freezer, a fresh heat-preservation transport box frame and a cover plate product with a built-in metal airtight inner layer so as to avoid the harm of life and environmental protection of the heat-preservation fiber and the material filled with polyurethane foam plastic polystyrene.

All the various refrigerators in the world have plastic inner frames which are filled with injected polyurethane foam polystyrene for heat insulation, and because the plastic inner frames and polyurethane polystyrene are difficult to recycle and consume energy, it is necessary to disclose a non-contact heat insulation vacuum inner layer built in a metal plate, after an air exhaust valve is welded and sealed in a proper position, the metal plate is vacuumized, and a metal pipe is used for air-tightly penetrating through the heat insulation vacuum inner layer, so that the refrigerator can be applied to stainless steel fresh heat preservation transportation inner and outer box frames and double-layer cover plates, and comprises a non-plastic inner frame polyurethane foam polystyrene refrigerator without polyurethane foam.

The technical scheme adopted by the utility model for solving the technical problems is as follows: provides a metal tube capable of penetrating through the metal inner layer of a plastic-frame-free and polystyrene-free refrigerator in an airtight manner;

the inner layer of the refrigerator door between the metal door frame of the refrigerator freezer and the inner door of the refrigerator freezer is not contacted with the inner layer, and an airtight inner layer is built in the inner layer;

an airtight inner layer is built between the inner and outer box frames and the double-layer cover plate;

the inner metal box frame of the five-face refrigerator freezer is arranged in the five-face outer metal box frame with larger volume, a compressor condenser connecting metal pipe, a condenser radiator connecting metal pipe, a radiator compressor connecting metal pipe, a temperature regulator control box connecting metal pipe, a condenser evaporation tray connecting metal pipe and the metal frame wall are kept in non-contact and penetrate through the inner metal box frame and the outer metal box frame, and an airtight inner layer is arranged between the two box frames;

refrigerant passing through metal pipes, each length of which is the same as the link distance between the components and the components, and which are hermetically welded between the holes penetrating through the metal outer frame wall plate of the refrigerator freezer and the two ends of the corresponding holes of the metal inner frame wall plate, wherein the refrigerant compressor condenser of the compressor is connected with the metal pipes and conveyed to the condenser, the condenser radiator is connected with the metal pipes to the radiator, the radiator compressor connecting metal pipes return to the compressor through the radiator compressor, and the circulation system passes through the compressor condenser connecting metal pipes, the condenser radiator connecting metal pipes, and the radiator compressor connecting metal pipes and is hermetically welded;

the temperature controller control box is connected with the metal pipe, the condenser evaporation tray is connected with the metal pipe in an airtight welding manner to maintain vacuum which is penetrated and passes through the metal inner layer;

comprises a freezing region and a multi-refrigerating region through which a refrigerant passes through a metal tube, and an airtight inner layer is built in the multi-refrigerating region;

further comprises the metal pipe penetrating through the metal built-in inner layer of the refrigerator freezer for vacuum heat insulation, and a gas extraction valve is welded in an airtight manner.

According to some preferred embodiments of the present invention, the refrigerator comprises a metal door frame of the refrigerator freezer and the inner door of the refrigerator freezer, and further comprises a multi-refrigerating-freezing-area multi-refrigerator door which is internally provided with an airtight inner layer;

according to the airtight inner layer provided by the utility model, the heat preservation requirement of a refrigerator and a freezer can be met by adopting the space inner layer design.

The utility model has the beneficial effects that:

1. the vacuum-pumping inner layer arranged between two metal panels is superior to the original filled polystyrene heat-insulation and heat-preservation inner layer

2. The method is characterized in that the heat preservation can be achieved by utilizing an airtight inner layer built in an interlayer of a metal frame of a freezer cabinet of a refrigerator and an interlayer of a metal door of the freezer cabinet of the refrigerator, the innovation can be applied to the elimination of the problem that a Baolilong fresh heat preservation box needs to be injected into a PVC plastic inner frame for heat preservation, the insulation and transportation of an inner box frame and an outer box frame of a stainless steel fresh heat preservation and transportation and a double-layer cover plate replace the Baolilong fresh heat preservation box, and the environmental damage of foamed plastic Styrofoam caused by the fact that no recycling technology exists is avoided.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is an exploded view of the main components of a single-door all-metal plastic-free inner frame and a harmless Styrofoam refrigerator of the present invention.

Reference numerals:

10-outer door panel;

101-the inner layer is not contacted in the refrigerator door plate;

102-an inner door panel;

103-a refrigerator door frame rubber pressing strip;

11-outer metal box frame, which is the five-face outer metal box frame of the refrigerator;

12-vacuum inner layer, which is a non-contact inner layer between the inner and outer metal box frames of the refrigerator;

121-compressor condenser connecting metal pipe for connecting refrigerant from compressor 14 to condenser 15 through vacuum inner layer 12;

122-condenser radiator connecting metal pipe for connecting metal pipe cooling medium from condenser 15 through vacuum inner layer 12 and radiator 16;

123-radiator compressor connecting metal pipe for refrigerant passing through the vacuum inner layer 12 from the radiator 16 and returning to the compressor 14;

124-the temperature regulator control box is connected with the metal tube, and the power supply line and the sensing pipeline of the metal tube are connected with the refrigerator external variable frequency power supply control box 171 by the control light source circuit 17 passing through the vacuum inner layer 12;

125-condenser evaporation tray connected to the metal pipe for the water dropping from the condenser 15 to flow through the vacuum inner layer 12 to the evaporation tray 152 via the inner water tank 151;

126-a box frame welding position which is a welding position of the outer metal box frame 11 and the inner metal box frame 13 on the periphery of the front surface;

13-inner metal box frame, which is the pentahedral inner metal box frame of the refrigerator;

14-a compressor;

15-a condenser;

151-inner water tank, which is a water dripping tank in the refrigerator;

152-an evaporation pan, being a drip evaporation pan;

16-a heat sink;

17-control light source circuit, which is corresponding to the power line of light source in the refrigerator and the sensing thermostat;

171-refrigerator external variable frequency power control box, which is a power variable frequency control box;

18-top metal cover, metal cover of heat sink 16 on top of refrigerator;

20-an extraction valve;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. Rather, the utility model can be practiced without these specific details, i.e., those skilled in the art can more effectively introduce the essential nature of their work to others skilled in the art using the description and presentation herein.

It should be understood that the detailed description and specific examples, while indicating the scope of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

FIG. 1 is a single-door refrigerator according to an embodiment of the present invention, in which a 1cm non-contact airtight inner layer is hermetically welded between an outer door panel 10 and an inner door panel 102 of the refrigerator, i.e., the inner layer 101 is not in contact with the refrigerator door panel, five outer metal box frames 11 are formed between five back surfaces of the five outer metal box frames 11, including left, right, upper, and lower sides, and an inner metal box frame 13, i.e., a vacuum inner layer 12, and a total of 5 metal tubes (a compressor-condenser connecting metal tube 121, a condenser-radiator connecting metal tube 122, a radiator-compressor connecting metal tube 123, a thermostat-control-box connecting metal tube 124, and a condenser-evaporator connecting metal tube 125) are respectively reserved for passing through 10 holes in total on the wall surfaces of the outer metal box frame 11 and the inner metal box frame 13 of the refrigerator, in order to link the refrigeration function of a refrigerant outside the refrigerator with the refrigeration function in the refrigerator, and it is noted that the compressor-condenser-connecting metal tube 121 is connected to the refrigeration function, The condenser radiator connecting metal pipe 122, the radiator compressor connecting metal pipe 123, the thermostat control box connecting metal pipe 124, the condenser evaporating pan connecting metal pipe 125 and other metal pipes need to be welded with the two side openings of the 10 holes reserved on the two end wall surfaces of the outer metal box frame 11 and the inner metal box frame 13 in an airtight manner as shown in fig. 1, so that the compressor condenser connecting metal pipe 121 is used for connecting liquid refrigerant from the compressor 14 through the vacuum inner layer 12 and the condenser 15, the condenser radiator connecting metal pipe 122 is used for connecting gasified refrigerant from the condenser 15 through the vacuum inner layer 12 and the radiator 16, the radiator compressor connecting metal pipe 123 is used for connecting gasified and pressurized refrigerant from the radiator 16 through the vacuum inner layer 12 and returning to the compressor 14, the thermostat control box connecting metal pipe 124 is used for connecting each pipeline of the control light source circuit 17 from the refrigerator through the vacuum inner layer 12 and the refrigerator external variable frequency power supply control box 171, the condenser evaporation tray connecting metal pipe 125 is to guide the water dropping from the condenser 15 in the refrigerator through the inner water tank 151 to pass through the vacuum inner layer 12 to the evaporation tray 152 outside the refrigerator, and when each metal pipe passes through the space of the vacuum inner layer 12, the metal pipe body can not contact with the wall surface of the outer metal box frame 11 and the wall surface of the inner metal box frame 13, two air-extracting valves 20 are respectively welded at the bottom of the inner door plate 102 and the bottom of the inner metal box frame 13, the outer metal box frame 11 and the inner metal box frame 13 are welded in an airtight way around the position 126 of the front surface to form a 2cm airtight space with the inner layer 12, then the door frame rubber pressing strip 103 with the same size as the refrigerator door plate is placed at the preset position around the inner door plate 102, finally the top metal outer cover 18 of the radiator 16 is covered at the preset position on the upper part of the outer metal box frame 11, the above all-metal refrigerator is assembled by using the airtight vacuum heat-insulating and cold-keeping vertical single door, the metal box frame 13 can be built in a plurality of metal refrigerating and freezing subareas in the same refrigerator without contacting with an airtight inner layer, and the multi-temperature-zone vertical multi-door PVC-free plastic inner frame and injection-free polyurethane foam plastic polystyrene refrigerator and freezer can be designed at will.

Claims

1. A metal tube capable of penetrating through a plastic frame-free and polystyrene-free refrigerator metal inner layer in an airtight manner is characterized in that: the inner layer (101) is not contacted with the refrigerator door between the metal door frame (10) of the refrigerator freezer and the inner door (102) of the refrigerator freezer, and is provided with an airtight inner layer;

an inner metal box frame (13) of a pentahedron refrigerator freezer is arranged in a pentahedron outer metal box frame (11) with larger volume, a compressor-condenser connecting metal pipe (121), a condenser-radiator connecting metal pipe (122), a radiator-compressor connecting metal pipe (123), a temperature regulator control box connecting metal pipe (124), a condenser-evaporation tray connecting metal pipe (125) and the metal frame wall are kept in non-contact with each other between the two pentahedron inner and outer metal box frames, and an airtight inner layer is arranged between the two box frames after penetrating through the inner metal box frame (13) and the outer metal box frame (11);

refrigerant passing through metal pipes, each length of which is the same as the link distance between the components, is hermetically welded between the hole penetrating through the metal outer frame wall plate of the refrigerator freezer and the two ends of the corresponding hole of the metal inner frame wall plate, wherein the refrigerant compressor condenser connecting metal pipe (121) of the compressor (14) is conveyed to the condenser (15), and is connected to the heat sink (16) through the condenser heat sink connecting metal pipe (122), and is returned to the compressor (14) through the heat sink compressor connecting metal pipe (123) to complete the circulation, wherein the refrigerant passing through the compressor condenser connecting metal pipe (121), the condenser heat sink connecting metal pipe (122), and the heat sink compressor connecting metal pipe (123) are hermetically welded;

comprises a temperature control frequency conversion circuit, a control light source circuit (17) connected with a metal tube (124) to a control box (171) by a temperature regulator control box, and an inner water tank (151) led out to an evaporation tray (152) at the bottom by a condenser evaporation tray connected with the metal tube (125), wherein the temperature regulator control box connected with the metal tube (124) and the condenser evaporation tray connected with the metal tube (125) are welded in an airtight way to keep vacuum which is penetrated and passes through a metal inner layer; comprises a freezing region and a multi-refrigerating region through which a refrigerant passes through a metal tube, and an airtight inner layer is built in the multi-refrigerating region; further comprises a metal tube penetrating through the metal inner layer of the freezer of the refrigerator for vacuum heat insulation, and a suction valve (20) is hermetically welded.