CN209893716U

CN209893716U - Refrigerating and freezing device

Info

Publication number: CN209893716U
Application number: CN201920115214.1U
Authority: CN
Inventors: 杨春; 夏恩品; 张�浩; 陈建全
Original assignee: Qingdao Haier Co Ltd; Qingdao Haier Refrigerator Co Ltd
Current assignee: Qingdao Haier Co Ltd; Qingdao Haier Refrigerator Co Ltd
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2020-01-03
Anticipated expiration: 2029-01-23

Abstract

The utility model provides a cold-stored refrigeration device. A refrigerating and freezing device includes: the air pump box is arranged on the box body and is provided with an opening box body; the open box body is provided with a placing wall which is positioned at the lower side and extends along the horizontal direction; the damping device comprises at least two damping blocks, wherein a plurality of convex ribs extending along the width direction of each damping block are arranged on the lower surface of each damping block, and the plurality of convex ribs are sequentially arranged along the length direction of the corresponding damping block; each shock absorption block is positioned in the opening box body, and each convex rib is placed on the placing wall; a support bracket having a support plate, the support bracket being mounted on upper sides of the at least two damping blocks; and an air pump installed at the upper side of the support plate; the air inlet of the air pump is communicated with the air regulating membrane component. Because the air pump box is arranged, the air pump is arranged on the air pump box through a special structure and is arranged at an interval with the air pump box, the noise generated when the air pump operates is obviously reduced, and the outward transmission of the operating noise of the air pump is reduced.

Description

Refrigerating and freezing device

Technical Field

The utility model relates to a refrigeration plant technical field especially relates to a cold-stored refrigeration device.

Background

The function of a refrigeration and freezing device is to provide a low temperature environment to extend the shelf life of the product. At present, in order to further improve the preservation time and the preservation effect, the technical personnel in the field design a refrigeration and freezing device with a modified atmosphere preservation space. The modified atmosphere device comprises a modified atmosphere film and an air pump, so that oxygen-enriched and high-humidity gas passes through the upper surface and the lower surface of the modified atmosphere film, and a large amount of oxygen is discharged from a fresh-keeping space on the surface of the modified atmosphere film, thereby forming a gas atmosphere favorable for keeping food fresh. However, the inventors found that the operation noise becomes significantly large after the modified atmosphere technology is adopted. Therefore, how to reduce the noise of the refrigerating and freezing device is also an urgent problem to be solved

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been made to provide a refrigeration and freezing apparatus that overcomes or at least partially solves the above problems.

An object of the utility model is to provide a cold-stored refrigeration device with fresh-keeping function of gas regulation, and reduce the noise of fresh-keeping process of gas regulation.

Further, it is a further object of the present invention to reduce the outward transmission of pump operating noise.

In order to achieve at least one of the above objects, the present invention provides a refrigeration and freezing device, comprising a box body, an air-conditioning membrane assembly and an air pump assembly, wherein the box body is internally provided with an air-conditioning preservation space, the air pump assembly and the air-conditioning membrane assembly are mounted on the box body, and the air pump assembly is communicated with the air-conditioning preservation space via the air-conditioning membrane assembly, so as to pump more oxygen in the gas in the air-conditioning preservation space out of the air-conditioning preservation space relative to nitrogen; wherein, the pump subassembly that bleeds includes:

the air pump box is arranged on the box body and is provided with an opening box body; the open box body is provided with a placing wall which is positioned at the lower side and extends along the horizontal direction;

the damping device comprises at least two damping blocks, wherein the lower surface of each damping block is provided with a plurality of convex ribs extending along the width direction of the damping block, and the plurality of convex ribs are sequentially arranged along the length direction of the corresponding damping block; each shock absorption block is positioned in the opening box body, and each convex rib is placed on the placing wall;

a support bracket having a support plate, the support bracket being mounted to upper sides of at least two of the damper blocks; and

the air pump is arranged on the upper side of the supporting plate; and the air inlet of the air pump is communicated with the air-conditioning membrane component.

Optionally, the number of the shock absorption blocks is two, and the shock absorption blocks are arranged at intervals along the width direction of the shock absorption blocks;

mounting grooves are formed in two opposite side surfaces of the two shock absorption blocks; and the support bracket further comprises:

the supporting ribs are arranged on the lower surface of the supporting plate, are sequentially arranged along the length direction of the damping blocks and are in contact and abutted with the upper surfaces of the two damping blocks;

and each inserting plate is connected to one supporting rib, and two mounting grooves are inserted into two sides of each inserting plate.

Optionally, each mounting groove extends along the length direction of the shock absorption block;

the two support ribs are arranged at two ends of the support plate;

the number of the inserting plates is two, and the inserting plates are respectively arranged at two ends of the two installing grooves.

Optionally, the placement wall is spaced from a box wall of the open box on a lower side of the placement wall.

Optionally, at least one horizontal partition and/or at least one vertical partition are provided between the placing wall and the box body wall of the open box body on the lower side of the placing wall, so as to partition the space between the placing wall and the box body wall of the open box body on the lower side of the placing wall.

Optionally, a plurality of vertical partition plates are arranged between the placing wall and the box body wall of the open box body, the box body wall being located on the lower side of the placing wall, and each vertical partition plate extends along the front-back direction of the box body.

Optionally, the opening box body is further provided with two limiting structures which are arranged at two ends of the damping block;

each limiting structure is provided with a first plate part extending upwards from one end of the placing wall, a second plate part extending from the first plate part to the other limiting structure, a third plate part extending upwards from the second plate part, and a fourth plate part extending from the third plate part to the box body wall of the open box body far away from the other limiting structure;

both ends of each of the damper blocks are located on the lower sides of the two second plate portions, respectively.

Optionally, the support bracket further includes two risers, set up in the both sides of backup pad, just the aspiration pump is installed in two the riser.

Optionally, the air pump box further comprises a box cover, and the box cover is covered at the opening of the opening box body; and a sealing gasket is arranged between the box cover and the opening box body.

Optionally, the box body is further provided with a first inner container, and a first storage compartment is defined inside the first inner container; the air-conditioned fresh-keeping space is arranged at the bottom of the first storage chamber; the air pumping pump assembly is arranged at the rear part of the air-conditioned fresh-keeping space; the bottom of the rear wall of the first inner container is provided with a through hole for installation; the opening of the opening box body faces forwards and is arranged in the through hole for installation; and a foaming layer is arranged on the outer side of the opening box body.

The utility model discloses an among the cold-stored refrigerating plant, because have the air pump box, and the aspiration pump through special structural mounting in the air pump box, showing the noise when having reduced aspiration pump self operation to and reduce the outward propagation of aspiration pump running noise, if reduce the aspiration pump vibration and propagate to the box, and then reduce the noise of the fresh-keeping process of gas conditioning and the noise of cold-stored refrigerating plant.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic view of a refrigerating and freezing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic block diagram of another perspective of the structure shown in FIG. 1;

fig. 3 is a schematic structural view of a first inner container of a refrigerating and freezing device according to an embodiment of the present invention;

fig. 4 is a schematic view of a pump assembly in a refrigeration chiller according to an embodiment of the present invention;

FIG. 5 is a partial schematic structural view of the suction pump assembly of FIG. 4;

FIG. 6 is a partial schematic structural view of the suction pump assembly of FIG. 4;

figure 7 is a partial schematic view of the suction pump assembly of figure 4.

Detailed Description

Fig. 1 and 2 are schematic structural views of a refrigerating and freezing apparatus according to an embodiment of the present invention. As will be appreciated by those skilled in the art, fig. 1 shows a front view of the refrigeration and freezing apparatus, fig. 2 shows a rear view of the refrigeration and freezing apparatus, and in the refrigeration and freezing apparatus shown in fig. 1 and 2, a door and the like of the refrigeration and freezing apparatus are not shown for illustrating an embodiment of the present invention. As shown in fig. 1 and 2, and with reference to fig. 3-7, embodiments of the present invention provide a refrigeration freezer comprising a box 20, a modified atmosphere module, and a suction pump module 30. The box body 20 is internally provided with a controlled atmosphere preservation space 25, the air suction pump assembly 30 and the controlled atmosphere membrane assembly are arranged on the box body 20, and the air suction pump assembly 30 is communicated with the controlled atmosphere preservation space 25 through the controlled atmosphere membrane assembly so as to pump more oxygen in the gas in the controlled atmosphere preservation space 25 out of the controlled atmosphere preservation space 25 than nitrogen. The modified atmosphere space 25 may be a closed space or a near closed space.

For example, the box body 20 further has a first storage compartment 24, a second storage compartment, and a compressor compartment therein. The second storage compartment is arranged at the lower side of the first storage compartment 24, and the compressor bin is arranged at the lower rear part of the second storage compartment. The modified atmosphere space 25 may be disposed at the bottom of the first storage compartment 24. The air pump assembly 30 is disposed at the rear of the modified atmosphere fresh-keeping space 25. The first storage compartment 24 is a refrigerator compartment and the second storage compartment is a freezer compartment. Further, the case 20 further includes a storage container 26 having a front opening, and a drawer mounted in the storage container 26. The space in the drawer is the air-conditioning and fresh-keeping space 25.

In particular, as shown in FIG. 5, the suction pump assembly 30 may include a pump box 31, at least two shock blocks 32, a support bracket, and a suction pump 34. The air pump cassette 31 is mounted to the case 20, and the air pump cassette 31 has an open cassette body 311. The open box 311 has a placement wall 313 at the lower side and extending in the horizontal direction. For example, if the opening of the open box 311 faces forward or backward, one side wall of the open box 311 is the placing wall 313, the placing wall 313 may be provided in the open box 311, and the placing wall 313 is spaced from the box wall of the open box located below the placing wall 313. The lower surface of each damper block 32 is provided with a plurality of ribs 321 extending in the width direction of the damper block 32, and the plurality of ribs 321 are sequentially arranged in the length direction of the corresponding damper block 32. Each damper block 32 is located in the open box 311, and each rib 321 is placed on the placement wall 313. The support bracket has a support plate 33, and the support bracket is mounted to upper sides of at least two damper blocks 32. The suction pump 34 is installed at an upper side of the support plate 33, and the suction pump 34 may be spaced apart from each case wall of the open case 311. The air inlet of the air pump 34 is communicated with the air regulating membrane component. The vibration and noise of the air pump 34 during operation can be reduced, and the stability and the user experience of the air pump 34 can be improved.

The embodiment of the utility model provides an in cold-stored refrigerating plant have air pump box 31, and aspiration pump 34 installs in air pump box 31 through special structure, and can set up with air pump box 31 interval, is showing the noise that has reduced aspiration pump 34 self operation to and reduce aspiration pump 34 running noise and outwards propagate, if reduce aspiration pump 34 vibration and propagate box 20, and then reduce the noise of the fresh-keeping process of gas conditioning and the noise of cold-stored refrigerating plant.

In some embodiments of the present invention, as shown in fig. 5 to 7, two damper blocks 32 are provided at intervals along the width direction of the damper blocks 32. Mounting grooves 322 are provided on opposite sides of the two damper blocks 32. And the support bracket further comprises: at least two support ribs 331 and at least two insert plates 332. At least two support ribs 331 are provided on the lower surface of the support plate 33, sequentially arranged along the length direction of the damper block 32, and contact and abut against the upper surfaces of the two damper blocks 32. Each insert plate 332 is coupled to one support rib 331, and both sides of the insert plate 332 are inserted into the two mounting grooves 322. Preferably, each mounting groove 322 extends along the length of the damper block 32; two support ribs 331 are provided at both ends of the support plate; the number of the insertion plates 332 is two, and the two insertion plates are respectively arranged at two ends of the two installation grooves 322.

In some embodiments of the present invention, the opening box 311 further has two limiting structures, which are disposed at two ends of the damping block 32. Each of the stopper structures has a first plate portion 314 extending upward from one end of the placement wall 313, a second plate portion 315 extending from the first plate portion 314 toward the other stopper structure, a third plate portion 316 extending upward from the second plate portion 315, and a fourth plate portion 317 extending from the third plate portion 316 to the box wall of the open box body 311 away from the other stopper structure. Both ends of each damper block 32 are located on the lower sides of the two second plate portions 315, respectively.

In some embodiments of the present invention, as shown in fig. 5 to 7, at least one horizontal partition and/or at least one vertical partition is provided between the placement wall 313 and the box wall of the open box 311 at the lower side of the placement wall 313 to separate the space between the placement wall 313 and the box wall of the open box 311 at the lower side of the placement wall 313. For example, a plurality of vertical partitions are provided between the placement wall 313 and the box wall of the open box 311 on the lower side of the placement wall 313, each partition being provided to extend in the front-rear direction of the box.

In some embodiments of the present invention, the air pump 34 is mounted to the support plate 33 through two risers. That is, the support bracket further includes two risers 35 provided at both sides of the support plate 33, and the suction pump 34 is installed to the two risers 35. The support bracket may be a sheet metal part.

In order to further reduce noise, the air pump case 31 further includes a case cover 312 covering the opening of the open case body 311. And a sealing gasket is provided between the cap 312 and the open case 311. Is used for sealing the opening box 311, so that the air pump 34 is in a closed environment, and the noise generated when the air pump 34 works is reduced. In some optional embodiments, the open box body is a first open box body, the air pump box further comprises a second open box body and a box cover, the first open box body is mounted on the second open box body through four rubber pads, and the opening of the first open box body faces to the bottom wall of the second open box body. The box cover is arranged on the second opening box body. In some embodiments of the present invention, the opening of the first open box body is also provided with a box cover.

In some embodiments of the present invention, the box 20 further has a first inner container 21 and a second inner container. A first storage compartment 24 and a second storage compartment are defined in the first liner 21 and the second liner, respectively. As shown in fig. 3, the first inner bag 21 has a mounting through hole 211 at the bottom of the rear wall. The opening case 311 has a front opening and is attached to the mounting through hole 211. The outer side of the open box 311 is a foaming layer. When the embedded box is installed, the opening box 311 may be installed in the installation through hole 211 first, and then foamed to form the embedded box. With opening box body 311 set up and stretch into the foaming layer behind the installation opening in, not only can save cold-stored freezer's space, can also utilize the noise insulation effect of opening box body 311 itself and the noise insulation effect on foaming layer to greatly reduce the noise that aspiration pump 34 sent to and prevent the propagation of the sound of breathing in and the sound of exhausting. The noise transmission between the rear back plate and the rear back plate is also isolated, and the large plane of the rear back plate can be equivalent to a vibration amplifier, so that the rear back plate cannot cause vibration amplification after isolation, and further cannot generate noise due to vibration.

Further, the box body wall of the open box body 311 on the upper side has an opening for mounting the power supply 36 of the suction pump 34, and the power supply 36 is used for supplying power to the suction pump 34.

In some embodiments of the present invention, the rear central region of the first inner container 21 is recessed rearward to form an air duct of the refrigeration device, and the opening box 311 is disposed outside the air duct and located at the lower right side of the air duct, so that the opening box 311 does not occupy the storage space and the air duct of the refrigeration device, thereby making full use of the space.

In some embodiments of the present invention, the box body wall of the opening box body 311 is provided with an air exhaust communicating part for communicating the inside and the outside of the opening box body 311, one end of the air exhaust communicating part located in the opening box body 311 is connected to the air exhaust opening of the air exhaust pump 34, and the refrigerating and freezing device further comprises an air exhaust pipe 37, the first end of which is connected to one end of the air exhaust communicating part located outside the opening box body 311 and extends to penetrate through the foaming layer, and the second end of which is connected to the interface 23 of the first inner container 21 leading to the air conditioning safety space. The air exhaust pipe 37 penetrates through the foaming layer, and noise in the air exhaust process is reduced by using the sound insulation effect of the foaming layer.

Still be provided with the inside and outside exhaust intercommunication portion of intercommunication opening box body 311 on the box body wall of opening box body 311, the exhaust intercommunication portion is located the one end of opening box body 311 and is connected to the gas vent of aspiration pump 34, and cold-stored refrigeration device still includes blast pipe 38, and its first end is connected the exhaust intercommunication portion and is located the outer one end of opening box body 311, and extend and wear to locate the foaming layer in, through the syllable-dividing effect on foaming layer, reduce the noise of exhaust process, and make its second end lead to cold-stored refrigeration device's compressor storehouse.

In some embodiments of the present invention, at least a portion of the pipe section of the exhaust pipe 38 and at least a portion of the pipe section of the drain pipe 22 of the refrigeration and freezing device for draining the air duct behind the first storage compartment 24 are arranged side by side, so that the exhaust pipe 38 is guided by the drain pipe 22, and is convenient to install and fix, thereby avoiding the displacement of the exhaust pipe 38 caused by long-term use, so as to discharge the oxygen-enriched gas to the compressor bin of the refrigeration and freezing device, and avoid additionally arranging a pipeline in the foaming layer, thereby reducing the thermal insulation performance of the foaming layer. For example, the exhaust pipe 38 may be tied to the drain pipe 22 or a grommet or the like may be provided on the outer wall of the drain pipe 22 so that the exhaust pipe 38 may be guided by the drain pipe 22 to discharge the gas to the compressor compartment.

In this embodiment, the portions of the air exhaust pipe 38 and the air exhaust pipe 37 of the air exhaust pump 34 located outside the open box 311 are inserted into the foam layer, so that the noise in the air intake process and the air exhaust process can be effectively reduced. At least part of the length of the gas exhaust line 38 is arranged alongside at least part of the length of the water discharge line 22 of the refrigerator freezer for discharging the oxygen-enriched gas to the compressor compartment of the refrigerator freezer. The arrangement of the exhaust pipe 38 is beneficial to the installation and fixation of the exhaust pipe 38, the position change of the exhaust pipe 38 caused by long-term use is avoided, and the additional arrangement of a pipeline on a foaming layer is avoided, so that the heat insulation effect of the foaming layer is reduced.

In some embodiments of the present invention, the storage container 26 may include a receiving chamber and an ion generating device. Although other locations or structures within the housing 20 may define the receiving cavity. The receiving cavity is in communication with the modified atmosphere space 25 such that gas flows between the modified atmosphere space 25 and the receiving cavity. The modified atmosphere membrane component is arranged in the accommodating cavity. The ion generating means is configured to be activated to ionize the gas within the receiving chamber to generate an odor elimination sterilizing substance, and the odor elimination sterilizing substance flows with the gas to sterilize or deodorize the receiving chamber and/or the modified atmosphere space 25. The odor-removing and sterilizing substance flows with the gas to sterilize or deodorize the receiving cavity and/or the modified atmosphere fresh-keeping space 25. If the ion generating device changes water vapor and oxygen into ions with strong oxidizing capability, the mould substances in the controlled atmosphere preservation space 25 are removed after sufficient circulation, the controlled atmosphere efficiency and the preservation period are greatly improved, and the taste of the fruits and vegetables can be more comprehensively maintained.

In some embodiments of the present invention, the refrigeration and freezing apparatus includes a fan. A first ventilation structure and a second ventilation structure are arranged between the accommodating cavity and the atmosphere-controlled preservation space 25 so as to respectively communicate the accommodating cavity and the atmosphere-controlled preservation space 25 at different positions. The fan is configured to cause air in the modified atmosphere space 25 to return to the modified atmosphere space 25 via the first venting structure, the receiving cavity, and the second venting structure in that order. Furthermore, a diversion air duct is arranged between the fan and the modified atmosphere membrane component to promote the gas flowing out of the fan to flow to the modified atmosphere membrane component. And an opening is arranged on the air duct wall of the diversion air duct. The ion generating part of the ion generating device is arranged at the opening. The control part of the ion generating device is arranged in the accommodating cavity and is positioned outside the diversion air channel, and the air channel wall blocks the gas flowing direction control part entering the accommodating cavity. Damage and failure of the control section by the cooled gas or high humidity environment can be prevented, and particularly, moisture in the cooled gas is prevented from entering the control section. The control part does not occupy the space of the guide air duct, and air supply is smooth. The first venting structure includes at least one first vent hole and the second venting structure includes at least one second vent hole. At least one first vent hole and at least one second vent hole are arranged in the partition wall between the accommodating cavity and the air-conditioned space 25. The fan is centrifugal fan, sets up in holding the intracavity, and centrifugal fan's air intake towards at least one first air vent. The modified atmosphere assembly is preferably flat and parallel to the dividing wall between the receiving chamber and the modified atmosphere space 25.

In some embodiments of the present invention, the control portion of the ion generating device has a control circuit module, and the control circuit module includes: the deodorizing and sterilizing device comprises a power input interface, a booster circuit and a high-voltage output interface, wherein the power input interface is used for connecting an externally provided direct-current power supply, the booster circuit is used for controllably converting the direct-current power supply into a first voltage for generating a deodorizing and sterilizing substance and a second voltage for heating, and the high-voltage output interface is used for outputting the first voltage or the second voltage, wherein the first voltage is higher than the second voltage. And the high-voltage output interface is connected with the ion generating part. The ion generating portion is configured to be excited by the first voltage to ionize the gas to generate the odor removing and sterilizing substance and to emit heat at the second voltage to eliminate condensation. The ion generating portion may include a first electrode and a second electrode connected to the control portion, with a discharge gap therebetween, the discharge gap configured to be broken down by a first voltage such that ambient gas is excited to ionize. And maintaining the first electrode isolated from the second electrode and each generating heat at a second voltage. The control portion and the ion generating portion may be connected by a cable.

In some embodiments of the present invention, the control circuit module further comprises a voltage feedback port, a controlled terminal, and an inverter. The voltage feedback port is connected with the booster circuit and used for outputting feedback voltage corresponding to the first voltage or the second voltage so as to indicate the boosting state of the booster circuit. The controlled end is connected with the boost circuit and configured to receive an external control signal (the control signal may be a control signal sent by a main control board of the refrigerator or a controller of another refrigerator, and is used for adjusting the working state of the ion generating device according to the operation condition of the refrigerator), so that the boost circuit converts the first voltage or the second voltage according to the control signal. The inverter is configured to controllably invert the direct current power source into alternating current power having a voltage of either a first voltage or a second voltage.

It will be understood by those skilled in the art that the term "refrigerating and freezing device" is not limited to a refrigerating and freezing device having a refrigerating chamber and a freezing chamber in a general sense and used for storing food, but may be other devices having a refrigerating function, such as wine cabinets, refrigerating tanks, etc.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A refrigerating and freezing device comprises a box body, a modified atmosphere module and an air extraction pump assembly, wherein a modified atmosphere space is arranged in the box body, the air extraction pump assembly and the modified atmosphere module are arranged in the box body, and the air extraction pump assembly is communicated with the modified atmosphere space through the modified atmosphere module so as to extract more oxygen in the gas in the modified atmosphere space out of the modified atmosphere space relative to nitrogen; characterized in that, the pump subassembly that bleeds includes:

the air pump box is arranged on the box body and is provided with an opening box body; the open box body is provided with a placing wall extending along the horizontal direction;

2. A refrigerator-freezer according to claim 1,

the number of the damping blocks is two, and the damping blocks are arranged at intervals along the width direction of the damping blocks;

3. A refrigerator-freezer according to claim 2,

each mounting groove extends along the length direction of the shock absorption block;

the two support ribs are arranged at two ends of the support plate;

4. A refrigerator-freezer according to claim 1,

the placing wall and the box body wall of the open box body, which is positioned on the lower side of the placing wall, are arranged at intervals.

5. A refrigerator-freezer according to claim 4,

at least one horizontal partition plate and/or at least one vertical partition plate are/is arranged between the placing wall and the box body wall of the open box body, which is positioned on the lower side of the placing wall, so that the space between the placing wall and the box body wall of the open box body, which is positioned on the lower side of the placing wall, is partitioned.

6. A refrigerator-freezer according to claim 5,

the placing wall and the box body wall of the open box body, which is positioned at the lower side of the placing wall, are provided with a plurality of vertical partition plates, and each vertical partition plate extends along the front-back direction of the box body.

7. A refrigerator-freezer according to claim 2,

the opening box body is also provided with two limiting structures which are arranged at two ends of the damping block;

8. A refrigerator-freezer according to claim 1,

the support bracket further comprises two vertical plates which are arranged on two sides of the support plate, and the air suction pump is arranged on the two vertical plates.

9. A refrigerator-freezer according to claim 1,

the air pump box also comprises a box cover which is covered at the opening of the opening box body; and a sealing gasket is arranged between the box cover and the opening box body.

10. A refrigerator-freezer according to claim 1,

the box body is also provided with a first inner container, and a first storage compartment is limited at the inner side of the first inner container; the air-conditioned fresh-keeping space is arranged at the bottom of the first storage chamber; the air pumping pump assembly is arranged at the rear part of the air-conditioned fresh-keeping space; the bottom of the rear wall of the first inner container is provided with a through hole for installation; the opening of the opening box body faces forwards and is arranged in the through hole for installation; and a foaming layer is arranged on the outer side of the opening box body.