阅读说明：本技术 一种具有自动关柜门功能的节能型冰柜 (energy-saving refrigerator with automatic cabinet door closing function ) 是由 李佰强 于 2019-09-25 设计创作，主要内容包括：本发明涉及一种具有自动关柜门功能的节能型冰柜,包括柜门、主体和至少两个铰链,还包括关闭机构和降温机构,所述关闭机构包括滑杆、弹性绳、滑动套管、第一传动杆、电磁铁、接触开关和两个固定块,所述降温机构包括抽气缸、收集槽、抽气管、导热管、第一单向阀、第二单向阀、支撑组件、活塞块、连接轴和第二传动杆,所述支撑组件包括支撑杆和支撑套管,该具有自动关柜门功能的节能型冰柜中,通过关闭机构使柜门忘记关闭的时候,可以自动将柜门关闭,减少了冷气的流失,提高了冰柜的节能性能,通过降温机构可以吸收冰柜四周的热量,降低了冰柜四周的温度,进一步提高了冰柜的节能性能。(The invention relates to an energy-saving refrigerator with an automatic door closing function, which comprises a refrigerator door, a main body, at least two hinges, a closing mechanism and a cooling mechanism, wherein the closing mechanism comprises a slide rod, an elastic rope, a slide sleeve, a first transmission rod, an electromagnet, a contact switch and two fixed blocks, the cooling mechanism comprises an air pumping cylinder, a collecting tank, an air pumping pipe, a heat conduction pipe, a first check valve, a second check valve, a support assembly, a piston block, a connecting shaft and a second transmission rod, the support assembly comprises a support rod and a support sleeve, in the energy-saving refrigerator with the automatic door closing function, when the refrigerator door is forgotten to be closed through the closing mechanism, the refrigerator door can be automatically closed, the loss of cold air is reduced, the energy-saving performance of the refrigerator is improved, the heat around the refrigerator can be absorbed through the cooling mechanism, the temperature around the refrigerator is reduced, further improving the energy-saving performance of the freezer.)

1. An energy-saving freezer with a function of automatically closing a freezer door comprises a freezer door (2), a main body (10) and at least two hinges (1), wherein the freezer door (2) is arranged at the top of the main body (10) in a covering mode, one side of the freezer door (2) is connected with the main body (10) through the hinges (1), the freezer is characterized by further comprising a closing mechanism and a cooling mechanism, the closing mechanism and the cooling mechanism are both arranged at one side of the main body (10), and the closing mechanism is connected with the freezer door (2);

The closing mechanism comprises a sliding rod (20), an elastic rope (19), a sliding sleeve (5), a first transmission rod (3), an electromagnet (21), a contact switch (18) and two fixing blocks (22), the sliding rod (20) is parallel to the cabinet door (2), the sliding rod (20) is arranged on one side of the main body (10), two ends of the sliding rod (20) are fixedly connected with the main body (10) through the fixing blocks (22), the sliding rod (20) penetrates through the sliding sleeve (5), the sliding sleeve (5) is in sliding connection with the sliding rod (20), the sliding sleeve (5) is hinged to one side, close to the sliding rod (20), of the cabinet door (2) through the first transmission rod (3), the contact switch (18) is arranged at one end, far away from the hinge (1), of the sliding rod (20), the electromagnet (21) is arranged at one end, close to the hinge (1), of the sliding rod (20), one end of the sliding rod (20) close to the hinge (1) is fixedly connected with the sliding sleeve (5) through an elastic rope (19), and the elastic rope (19) is in a stretching state;

The cooling mechanism comprises a pumping cylinder (7), a collecting tank (4), a pumping pipe (16), a heat conducting pipe (9), a first check valve (15), a second check valve (17), a supporting assembly, a piston block (14), a connecting shaft (13) and a second transmission rod (6), wherein the axis of the pumping cylinder (7) is parallel to a sliding rod (20), the pumping cylinder (7) is arranged on one side of the sliding rod (20) far away from a cabinet door (2), the pumping cylinder (7) is fixedly connected with a main body (10), one side of the pumping cylinder (7) close to a hinge (1) is provided with an opening, the piston block (14) is arranged inside the pumping cylinder (7), the piston block (14) is sealed and connected with the pumping cylinder (7) in a sliding manner, the connecting shaft (13) is coaxially arranged with the pumping cylinder (7), one end of the connecting shaft (13) is fixedly connected with the piston block (14), the support assembly is arranged inside one end, close to the hinge (1), of the air pumping cylinder (7) and connected with a connecting shaft (13), the other end of the connecting shaft (13) is fixedly connected with the sliding sleeve (5) through a second transmission rod (6), the collecting tank (4) is circumferentially arranged on the periphery of the top end of the main body (10), an opening of the collecting tank (4) is formed in the top of the collecting tank (4), one end, far away from the hinge (1), of the air pumping cylinder (7) is communicated with the collecting tank (4) through an air pumping pipe (16), the first one-way valve (15) is installed on the air pumping pipe (16), the heat conduction pipe (9) is arranged on the main body (10), the heat conduction pipe (9) is spirally distributed on the periphery of the main body (10), one end of the heat conduction pipe (9) is communicated with one end, far away from the hinge (1), of the air pumping cylinder (7), the second one-way valve (17) is installed on the heat conduction pipe (9).

2. the energy-saving freezer with automatic cabinet door closing function according to claim 1, wherein said main body (10) is provided with a control panel, said control panel is provided with a PLC inside, said control panel is provided with a display screen and at least two control keys, said display screen, said electromagnet (21), said contact switch (18) and each control key are electrically connected to the PLC.

3. energy-saving refrigerator door with automatic closing function according to claim 1, wherein said supporting assembly comprises a supporting rod (11) and a supporting sleeve (12), said supporting sleeve (12) is coaxially arranged with said pumping cylinder (7), said supporting sleeve (12) is fixedly connected with the inner wall of one end of said pumping cylinder (7) near to the hinge (1) through said supporting rod (11), said connecting shaft (13) passes through said supporting sleeve (12), said connecting shaft (13) is slidably connected with said supporting sleeve (12).

4. energy-saving refrigerator door with automatic closing function according to claim 1, characterized in that said connecting shaft (13) is coated with grease.

5. Energy-saving freezer cabinet with automatic door closing function according to claim 1, characterized in that the piston block (14) is coated with sealing grease.

6. Energy-saving refrigerator door with automatic closing function according to claim 1, wherein said heat conducting tube (9) is made of copper.

7. Energy-saving freezer cabinet with automatic door closing function according to claim 1, characterized in that at least two heat sinks (8) are arranged on the heat pipe (9).

8. The energy-saving freezer with automatic door closing function of claim 1, wherein the sliding bar (20) is provided with anti-slip lines.

9. The energy-saving freezer with automatic cabinet door closing function according to claim 1, characterized in that the main body (10) is provided with an alarm, and the alarm is electrically connected with the PLC.

10. Energy-saving refrigerator door with automatic closing function according to claim 1, characterized in that the material of said sliding sleeve (5) is metallic iron.

Technical Field

The invention relates to the field of meat product storage equipment, in particular to an energy-saving freezer with a cabinet door automatic closing function.

Background

a refrigerator is another name for a freezer and a refrigerator. All the evaporating pipes of the high-quality refrigerator adopt high-quality copper coil pipes and are processed into wide-surface special shapes. The surface of the stainless steel plate is smooth and clean, the thickness of the whole plate is uniform, and the proper thickness is adopted, so that the service life is long, and the appearance of the refrigerator is smooth and firm. The copper pipe has better cold transfer effect and better corrosion resistance than the aluminum pipe or the composite pipe, and the high-quality copper coil pipe has the advantages of high cleanliness in the pipe and few pipe joints, and can effectively prevent the faults of internal leakage or blockage of a refrigeration system. The circular tube is processed into a rectangle, so that the contact between the evaporating tube and the cold-transferring liner is changed from point contact into surface contact, the transfer area is enlarged, and the refrigerating speed can be accelerated.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the energy-saving freezer with the function of automatically closing the door of the freezer is provided.

the technical scheme adopted by the invention for solving the technical problems is as follows: an energy-saving freezer with a function of automatically closing a freezer door comprises a freezer door, a main body and at least two hinges, wherein a freezer door cover is arranged at the top of the main body, one side of the freezer door is connected with the main body through the hinges, the freezer also comprises a closing mechanism and a cooling mechanism, the closing mechanism and the cooling mechanism are both arranged at one side of the main body, and the closing mechanism is connected with the freezer door;

the closing mechanism comprises a sliding rod, an elastic rope, a sliding sleeve, a first transmission rod, an electromagnet, a contact switch and two fixing blocks, the sliding rod is parallel to the cabinet door, the sliding rod is arranged on one side of the main body, two ends of the sliding rod are fixedly connected with the main body through the fixing blocks, the sliding rod penetrates through the sliding sleeve, the sliding sleeve is connected with the sliding rod in a sliding mode, the sliding sleeve is hinged to one side, close to the sliding rod, of the cabinet door through the first transmission rod, the contact switch is arranged at one end, far away from the hinge, of the sliding rod, the electromagnet is arranged at one end, close to the hinge, of the sliding rod, one end, close to the hinge, of the sliding rod is fixedly connected with the sliding sleeve through the;

The cooling mechanism comprises an air pumping cylinder, a collecting groove, an air pumping pipe, a heat conducting pipe, a first check valve, a second check valve, a supporting component, a piston block, a connecting shaft and a second transmission rod, wherein the axis of the air pumping cylinder is parallel to the slide rod, the air pumping cylinder is arranged on one side of the slide rod, which is far away from the cabinet door, the air pumping cylinder is fixedly connected with the main body, one side of the air pumping cylinder, which is close to the hinge, is provided with an opening, the piston block is arranged inside the air pumping cylinder, the piston block and the air pumping cylinder are in sealing and sliding connection, the connecting shaft is coaxially arranged with the air pumping cylinder, one end of the connecting shaft is fixedly connected with the piston block, the supporting component is arranged inside one end of the air pumping cylinder, which is close to the hinge, the supporting component is connected with the connecting shaft, the other end of the connecting shaft is fixedly, the opening of the collecting tank is arranged at the top of the collecting tank, one end, far away from the hinge, of the air pumping cylinder is communicated with the collecting tank through an air pumping pipe, the first one-way valve is installed on the air pumping pipe, the heat conduction pipe is arranged on the main body, the heat conduction pipe is spirally distributed on the periphery of the main body, one end of the heat conduction pipe is communicated with one end, far away from the hinge, of the air pumping cylinder, and the second one-way valve is installed on the heat conduction pipe.

Preferably, in order to improve the degree of automation of refrigerator-freezer, be equipped with control panel in the main part, control panel's inside is equipped with PLC, last display screen and two at least control button of being equipped with of control panel, display screen, electro-magnet, contact switch and each control button all are connected with PLC electricity.

Preferably, in order to improve the stability of the connecting shaft, the support assembly comprises a support rod and a support sleeve, the support sleeve is coaxially arranged with the air pumping cylinder, the support sleeve is fixedly connected with the inner wall of one end, close to the hinge, of the air pumping cylinder through the support rod, the connecting shaft penetrates through the support sleeve, and the connecting shaft is connected with the support sleeve in a sliding mode.

Preferably, the connecting shaft is coated with grease in order to reduce wear of the connecting shaft.

Preferably, the piston block is coated with a sealing grease in order to improve the sealing between the piston block and the pumping cylinder.

Preferably, the heat transfer pipe is made of metal copper in order to improve heat dissipation performance of the heat transfer pipe.

preferably, at least two heat dissipation fins are arranged on the heat conduction pipe in order to increase the heat dissipation rate of the heat conduction pipe.

Preferably, in order to slow down the sliding speed of the sliding sleeve, the sliding rod is provided with anti-skid grains.

Preferably, in order to realize the alarm function of the refrigerator, an alarm is arranged on the main body and is electrically connected with the PLC.

Preferably, the sliding sleeve is made of metallic iron in order to increase the attraction force of the electromagnet on the sliding sleeve.

The energy-saving refrigerator with the automatic door closing function has the advantages that when the door is forgotten to be closed through the closing mechanism, the door can be automatically closed, loss of cold air is reduced, and the energy-saving performance of the refrigerator is improved.

Drawings

the invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of an energy-saving freezer with automatic door closing function according to the present invention;

FIG. 2 is a schematic diagram of the cooling mechanism of the energy-saving freezer with automatic door closing function according to the present invention;

FIG. 3 is a schematic view of the closing mechanism of the energy saving freezer with automatic door closing function of the present invention;

FIG. 4 is a schematic view of the installation structure of the heat conduction pipe of the energy-saving freezer with automatic door closing function according to the present invention;

in the figure: 1. the hinge comprises a hinge, 2, a cabinet door, 3, a first transmission rod, 4, a collecting tank, 5, a sliding sleeve, 6, a second transmission rod, 7, a pumping cylinder, 8, a support sleeve, 9, a heat conduction pipe, 10, a main body, 11, a support rod, 12, a support sleeve, 13, a connecting shaft, 14, a piston block, 15, a first one-way valve, 16, a pumping pipe, 17, a second one-way valve, 18, a contact switch, 19, an elastic rope, 20, a sliding rod, 21, an electromagnet and 22, and a fixing block.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

as shown in fig. 1, an energy-saving freezer with a function of automatically closing a door comprises a freezer door 2, a main body 10 and at least two hinges 1, wherein the freezer door 2 is arranged at the top of the main body 10 in a covering manner, one side of the freezer door 2 is connected with the main body 10 through the hinges 1, the freezer further comprises a closing mechanism and a cooling mechanism, the closing mechanism and the cooling mechanism are both arranged at one side of the main body 10, and the closing mechanism is connected with the freezer door 2;

when the cabinet door 2 is forgotten to be closed through the closing mechanism, the cabinet door 2 can be automatically closed, the loss of cold air is reduced, the energy-saving performance of the refrigerator is improved, the heat around the refrigerator can be absorbed through the cooling mechanism, the temperature around the refrigerator is reduced, and the energy-saving performance of the refrigerator is further improved;

As shown in fig. 3, the closing mechanism includes a sliding rod 20, an elastic cord 19, a sliding sleeve 5, a first driving lever 3, an electromagnet 21, a contact switch 18 and two fixing blocks 22, the sliding rod 20 is parallel to the cabinet door 2, the sliding rod 20 is arranged at one side of the main body 10, both ends of the sliding rod 20 are fixedly connected with the main body 10 through fixing blocks 22, the sliding rod 20 penetrates through the sliding sleeve 5, the sliding sleeve 5 is connected with the sliding rod 20 in a sliding way, the sliding sleeve 5 is hinged with one side of the cabinet door 2 close to the sliding rod 20 through the first transmission rod 3, the contact switch 18 is arranged on the end of the sliding rod 20 remote from the hinge 1, the electromagnet 21 is arranged on the end of the sliding rod 20 close to the hinge 1, one end of the sliding rod 20 close to the hinge 1 is fixedly connected with the sliding sleeve 5 through an elastic rope 19, and the elastic rope 19 is in a stretching state;

the stability of the sliding rod 20 is improved through the fixing block 22, when a user opens the cabinet door 2, the sliding sleeve 5 is pulled by the first transmission rod 3 to move along the sliding rod 20 to the direction close to the hinge 1, at the moment, the sliding sleeve 5 is separated from the contact switch 18, the contact switch 18 sends control new height to the PLC, the PLC starts to time, meanwhile, the electromagnet 21 is electrified under the control of the PLC, under the action of the pulling force of the elastic rope 19 on the sliding sleeve 5, the user can save more labor when opening the cabinet door 2, when the sliding sleeve 5 moves to the other end of the sliding rod 20, the sliding sleeve 5 is adsorbed by the electromagnet 21, the reinforcement of the cabinet door 2 is realized, an operator does not need to hold the cabinet door 2 by hands all the time, the practicability of the refrigerator is improved, when the PLC reaches the set time, the electromagnet 21 is powered off through the PLC control, under the action of the gravity of the cabinet door 2, the cabinet door 2 is automatically closed, the loss of cold air in the refrigerator is reduced, the energy-saving performance of the refrigerator is improved, in the process, the impact force between the cabinet door 2 and the main body 10 is reduced through the buffer action of the elastic rope 19, and the failure rate of the refrigerator is reduced;

As shown in fig. 2 and 4, the temperature reduction mechanism includes an air pumping cylinder 7, a collecting tank 4, an air pumping pipe 16, a heat conducting pipe 9, a first check valve 15, a second check valve 17, a supporting component, a piston block 14, a connecting shaft 13 and a second transmission rod 6, an axis of the air pumping cylinder 7 is parallel to the sliding rod 20, the air pumping cylinder 7 is disposed on one side of the sliding rod 20 away from the cabinet door 2, the air pumping cylinder 7 is fixedly connected with the main body 10, one side of the air pumping cylinder 7 close to the hinge 1 is provided with an opening, the piston block 14 is disposed inside the air pumping cylinder 7, the piston block 14 is hermetically and slidably connected with the air pumping cylinder 7, the connecting shaft 13 is coaxially disposed with the air pumping cylinder 7, one end of the connecting shaft 13 is fixedly connected with the piston block 14, the supporting component is disposed inside one end of the air pumping cylinder 7 close to the hinge 1, the supporting component is connected with the connecting shaft 13, and the other end of the connecting shaft 13 is fixedly, the collecting tank 4 is circumferentially arranged around the top end of the main body 10, an opening of the collecting tank 4 is arranged at the top of the collecting tank 4, one end, far away from the hinge 1, of the air pumping cylinder 7 is communicated with the collecting tank 4 through an air pumping pipe 16, the first one-way valve 15 is installed on the air pumping pipe 16, the heat conduction pipe 9 is arranged on the main body 10, the heat conduction pipe 9 is spirally distributed on the periphery of the main body 10, one end of the heat conduction pipe 9 is communicated with one end, far away from the hinge 1, of the air pumping cylinder 7, and the second one-way valve 17 is installed on the heat conduction pipe 9;

The stability of the connecting shaft 13 is improved through the supporting component, in the process of opening the cabinet door 2, the cold air in the main body 10 is collected through the collecting tank 4, under the transmission action of the second transmission rod 6, the connecting shaft 13 is driven to move through the sliding sleeve 5, the piston block 14 is driven to move through the connecting shaft 13, at the moment, the first one-way valve 15 is opened, the second one-way valve 17 is closed, power is provided through the piston block 14, the cold air in the collecting tank 4 is pumped into the air pumping cylinder 7 through the air pumping pipe 16, when the cabinet door 2 is closed, the piston block 14 moves in the reverse direction, at the moment, the first one-way valve 15 is closed, the second one-way valve 17 is opened, the cold air in the air pumping cylinder 7 is injected into the heat conducting pipe 9 through the piston block 14, the temperature of the heat conducting pipe 9 is reduced, then the heat around the refrigerator is absorbed, the energy-saving performance of the freezer is improved, meanwhile, in the process that the cabinet door 2 is closed, the gas inside the air pumping cylinder 7 generates resistance to the piston block 14, and then the resistance is generated to the sliding sleeve 5 through the piston block 14, so that the buffering effect on the cabinet door 2 is improved.

Preferably, in order to improve the automation degree of the freezer, a control panel is arranged on the main body 10, a PLC is arranged inside the control panel, a display screen and at least two control keys are arranged on the control panel, and the display screen, the electromagnet 21, the contact switch 18 and each control key are electrically connected with the PLC;

The PLC is a programmable logic controller, it adopts a kind of programmable memory, it is used for its internal storage program, implement logic operation, sequence control, timing, counting and arithmetic operation, etc. and control various kinds of machinery or production process by digital or analog input/output, it is a computer specially used for industrial control, its hardware structure is basically the same as microcomputer, generally used for the processing of data and receiving and outputting of the order, used for realizing central control, the operator sends the control signal to PLC through the control key, then control the operation of the refrigerator-freezer through PLC, can show the working condition of the refrigerator-freezer through the display screen at the same time, then has improved the degree of automation of the refrigerator-freezer.

Preferably, in order to improve the stability of the connecting shaft 13, the support assembly comprises a support rod 11 and a support sleeve 12, the support sleeve 12 is coaxially arranged with the pumping cylinder 7, the support sleeve 12 is fixedly connected with the inner wall of one end of the pumping cylinder 7 close to the hinge 1 through the support rod 11, the connecting shaft 13 penetrates through the support sleeve 12, and the connecting shaft 13 is slidably connected with the support sleeve 12;

The stability of the support sleeve 12 is improved by the support rod 11, and the stability of the connecting shaft 13 is improved under the support action of the support sleeve 12.

Preferably, in order to reduce the wear of the connecting shaft 13, the connecting shaft 13 is coated with grease;

The friction between the connecting shaft 13 and the support sleeve 12 is reduced by the grease, and the wear of the connecting shaft 13 is reduced.

preferably, in order to improve the sealing performance between the piston block 14 and the air pumping cylinder 7, the piston block 14 is coated with sealing grease;

The clearance between the piston block 14 and the inner wall of the cylinder 7 is reduced by the sealing grease, and the sealing performance between the piston block 14 and the air extraction cylinder 7 is improved.

Preferably, in order to improve the heat dissipation performance of the heat transfer pipe 9, the material of the heat transfer pipe 9 is copper;

The heat dissipation performance of the heat pipe 9 is improved because the metal copper has better heat dissipation performance.

preferably, in order to increase the heat dissipation rate of the heat conduction pipe 9, at least two heat dissipation fins 8 are arranged on the heat conduction pipe 9;

the heat dissipation area of the heat pipe 9 is increased by the heat dissipation fins 8, and the heat dissipation speed of the heat pipe 9 is increased.

preferably, in order to slow down the sliding speed of the sliding sleeve 5, the sliding rod 20 is provided with anti-skid threads;

The friction between the sliding sleeve 5 and the sliding rod 20 is increased by the anti-slip threads, and the sliding speed of the sliding sleeve 5 is slowed down.

Preferably, in order to realize the alarm function of the refrigerator, an alarm is arranged on the main body 10 and is electrically connected with the PLC;

The alarm signal sent by the alarm can send a prompt signal to a user, so that the alarm function of the freezer is realized.

preferably, in order to increase the attraction force of the electromagnet 21 to the sliding sleeve 5, the sliding sleeve 5 is made of metal iron;

because the electromagnet 21 has a good attraction effect on the metal iron, the attraction force of the electromagnet 21 on the sliding sleeve 5 is increased, and the firmness of the electromagnet 21 attracting the sliding sleeve 5 is improved.

When a user opens the cabinet door 2, the sliding sleeve 5 is pulled by the first transmission rod 3 to move along the sliding rod 20 to the direction close to the hinge 1, at the moment, the sliding sleeve 5 is separated from the contact switch 18, the contact switch 18 sends control new height to the PLC, the PLC starts timing, meanwhile, the electromagnet 21 is electrified under the control of the PLC, under the action of the pulling force of the elastic rope 19 on the sliding sleeve 5, the user can open the cabinet door 2 more conveniently, when the sliding sleeve 5 moves to the other end of the sliding rod 20, the sliding sleeve 5 is adsorbed by the electromagnet 21, when the PLC reaches the set time, the electromagnet 21 is powered off under the control of the PLC, under the action of the gravity of the cabinet door 2, the cabinet door 2 is automatically closed, the loss of cold air in the refrigerator is reduced, the energy-saving performance of the refrigerator is improved, and in the opening process of the cabinet door 2, the cold air in the main body 10 is collected by the collecting, through sliding sleeve 5 drive piston piece 14 removal, first check valve 15 is opened this moment, second check valve 17 closes, then provide power through piston piece 14, through inside exhaust tube 16 with the inside air conditioning suction of collecting vat 4 suction cylinder 7, when cabinet door 2 is closed, piston piece 14 antiport, first check valve 15 is closed this moment, second check valve 17 opens, then through the inside air conditioning injection heat pipe 9 of piston piece 14 with the inside air conditioning of suction cylinder 7, then the temperature of heat pipe 9 has been reduced, later absorb ice chest heat all around through heat pipe 9, the temperature all around the ice chest has been reduced, the energy-conserving performance of ice chest has been improved.

compared with the prior art, in this energy-saving refrigerator-freezer with automatic cabinet door function of closing, when making cabinet door 2 forget to close through closing mechanism, can be automatic close cabinet door 2, the loss of air conditioning has been reduced, the energy-conserving performance of refrigerator-freezer has been improved, compare with current closing mechanism, this closing mechanism passes through the cushioning effect of elasticity rope 19, when having reduced cabinet door 2 and closing, the interact power between cabinet door 2 and the main part 10, the probability that cabinet door 2 takes place to damage has been reduced, moreover, can absorb refrigerator-freezer heat all around through cooling mechanism, the temperature all around has been reduced, the energy-conserving performance of refrigerator-freezer has further been improved, compare with current cooling mechanism, this cooling mechanism has realized and has closed the linkage between the mechanism, make this mechanism need not set up extra power supply, the manufacturing cost of refrigerator-freezer has been reduced.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.