CN219037262U

CN219037262U - Refrigerating and freezing device

Info

Publication number: CN219037262U
Application number: CN202223502881.6U
Authority: CN
Inventors: 姜明亮; 杨发林; 徐志国
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-16
Anticipated expiration: 2032-12-27

Abstract

The utility model provides a refrigerating and freezing device. The refrigerating and freezing device comprises a box body and a communicating part. The box body comprises a first liner and a second liner with the same opening direction. The communication component is arranged to communicate the first inner container and the second inner container and is formed with a communication air duct so that cold air flows between the first inner container and the second inner container. The communication component is communicated with the first inner container and is communicated with the side wall of the first inner container, which is close to the second inner container, and is communicated with the second inner container and is close to the side wall of the first inner container. According to the refrigerating and freezing device, the opposite side walls of the first inner container and the second inner container are communicated through the communication component, so that the structure is simplified, the production cost is reduced, the rear walls of the first inner container and the second inner container after the communication component is connected are smooth, namely, the thickness of a heat insulation layer at the rear side of any inner container is uniform, foaming materials can be reduced on the basis of ensuring heat insulation performance, and the effective storage volume of the refrigerating and freezing device is further increased.

Description

Refrigerating and freezing device

Technical Field

The utility model relates to the field of refrigeration and freezing, in particular to a refrigeration and freezing device with communicated inner containers.

Background

Along with the rising living standard of people, the capacity requirement on the refrigerator is also increasing, and how to realize larger effective storage capacity in the refrigerator with the same size becomes a technical problem in the field. The prior art increases the effective storage volume of a refrigerator by reducing the thickness of one or more air ducts.

Disclosure of Invention

It is an object of the present utility model to overcome at least one of the technical drawbacks of the prior art and to provide a refrigeration and freezer.

It is a further object of the present utility model to increase the effective storage volume of a refrigeration chiller.

It is a further object of the utility model to simplify the assembly process.

In particular, the present utility model provides a refrigerating and freezing apparatus characterized by comprising:

the box body comprises a first liner and a second liner with the same opening direction; and

the communication component is arranged to communicate the first inner container with the second inner container and is provided with a communication air duct so that cold air flows between the first inner container and the second inner container; wherein, the liquid crystal display device comprises a liquid crystal display device,

the communication component is communicated with the first inner container, is communicated with the side wall, close to the second inner container, of the first inner container, and is communicated with the second inner container, is communicated with the side wall, close to the first inner container, of the second inner container.

Optionally, the refrigeration and freezing device further comprises:

the first component is arranged in the first inner container and is provided with a first air channel; and

the second component is arranged in the second inner container and is provided with a second air channel; wherein, the liquid crystal display device comprises a liquid crystal display device,

the first inner container and the second inner container are respectively provided with a plurality of clamping structures protruding outwards, and the first component and the second component are respectively clamped in the plurality of clamping structures of the first inner container and the second inner container; and is also provided with

The communication component is provided with a plurality of positioning structures, at least one positioning structure is arranged to be respectively matched with at least part of at least one clamping structure of the first inner container, and at least one positioning structure is arranged to be respectively matched with at least part of at least one clamping structure of the second inner container.

Optionally, the communication component includes:

the air duct part is provided with the communication air duct; and

the first flanging and the second flanging are respectively arranged to extend outwards from the two ends of the air channel part in the radial direction and are respectively clamped with the first liner and the second liner; wherein the method comprises the steps of

The plurality of positioning structures are respectively formed on the first flanging and the second flanging.

Optionally, the first flange is provided with at least one positioning structure on the upper side and the lower side of the air channel part respectively; and/or

The second flanging is respectively provided with at least one positioning structure at the upper side and the lower side of the air channel part.

Optionally, the preservation temperature of the first liner is less than the preservation temperature of the second liner; and is also provided with

The communication member is provided to extend obliquely downward from the first liner toward the second liner.

Optionally, the communication component is formed with a first flange configured to mate with a top wall, a rear wall, and a side wall proximate to the second liner of the first liner.

Optionally, the refrigeration and freezing device further comprises:

the first inner container and the second inner container are respectively provided with a storage space and an installation space positioned at the rear side of the storage space, the first component and the second component are respectively at least partially arranged in the installation space of the first inner container and the second inner container, and the width of the installation space is smaller than that of the storage space; and is also provided with

The communication part is provided with a second flanging which is matched with the side wall and the rear wall of the storage space of the second liner and the side wall and the rear wall of the installation space.

Optionally, the second liner is formed with a plurality of liner ribs distributed along the height direction and recessed inwards; and is also provided with

The communicating component is provided with at least one limiting protrusion, and the at least one limiting protrusion is respectively arranged in at least one recess of the bile rib.

Optionally, the refrigeration and freezing device further comprises:

the first component is provided with an evaporator for providing cold energy, a circulating fan for promoting cold air flow, and a damper assembly for switching on and off the first air duct and the communication air duct.

Optionally, the second part is provided with at least one air inlet protrusion, and each air inlet protrusion is provided with an air inlet; and is also provided with

The side wall of the second inner container, which is close to the first inner container, is provided with a communication opening, and the at least one air inlet protrusion is arranged in the communication opening so as to receive cold air in the communication air duct.

Optionally, the damper assembly includes:

the mounting seat is arranged on an air supply path between the circulating fan and the communication air duct; and

the baffle is arranged to be rotationally connected with the mounting seat and used for switching on and off the air supply path; wherein, the liquid crystal display device comprises a liquid crystal display device,

the baffle is arranged to rotate in a direction away from the second liner to conduct the air supply path; and/or

The baffle is arranged to incline from bottom to top in a direction away from the second liner when in an off state.

Optionally, the refrigeration and freezing device further comprises:

the heat insulation assembly is arranged on the first component and is provided with a mounting groove and an air guide part; wherein, the liquid crystal display device comprises a liquid crystal display device,

the air door assembly is arranged in the mounting groove; and is also provided with

The air guide part is arranged at the upstream of the mounting groove and is bent and extended backwards in the direction approaching to the second component.

According to the refrigerating and freezing device, the opposite side walls of the first inner container and the second inner container are communicated through the communication component, so that cold air can flow between the first inner container and the second inner container, the structure is simplified, the production cost is reduced, the rear wall of the first inner container and the rear wall of the second inner container after the communication component are connected are smooth, namely the thickness of a heat insulation layer at the rear side of any inner container is uniform, foaming materials can be reduced on the basis of guaranteeing heat insulation performance, and the effective storage volume of the refrigerating and freezing device is further increased.

Furthermore, the refrigerating and freezing device of the utility model utilizes the outer contours of the first inner container and the second inner container and the clamping structure for fixing the air duct structures of the first inner container and the second inner container to position and fix the communicating part, has simple and reliable structure, does not need additional fasteners, simplifies the assembly process, and further reduces the production cost and the thickness of the communicating part.

Furthermore, the cold storage and freezing device of the utility model is characterized in that the communication part is arranged to extend downwards obliquely from the first inner container with lower temperature to the second inner container with higher temperature, the baffle plate of the air door component rotates to conduct the air supply path in the direction away from the second inner container, and the communication part is inclined from bottom to top in the direction away from the second inner container when in the off state, so that condensed water at the joint of the communication part and the first inner container can conveniently flow into the first air channel and the second air channel, the occurrence of the condition that the baffle plate is blocked due to freezing caused by the accumulation of the condensed water at the baffle plate is reduced, and the frequency or time for defrosting the air door component is reduced.

The above, as well as additional objectives, advantages, and features of the present utility model will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present utility model when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic front view of a refrigerated freezer according to one embodiment of the utility model;

FIG. 2 is a schematic isometric view of the refrigeration and freezer of FIG. 1, from the rear and forward;

FIG. 3 is a schematic partial isometric view of the refrigeration and freezer of FIG. 2 from another angle;

FIG. 4 is a schematic partial top view of the refrigeration and freezer of FIG. 1;

FIG. 5 is a schematic partial cross-sectional view of a rear housing of the communication member, and a refrigeration back panel of the refrigeration member and a refrigeration air duct member of the refrigeration member of FIG. 1;

FIG. 6 is a schematic exploded view of the cooling member of FIG. 1;

FIG. 7 is a schematic isometric view of the cooling component of FIG. 1, looking back and forth;

FIG. 8 is a schematic exploded view of the refrigerated assembly of FIG. 7;

FIG. 9 is a schematic isometric view of the refrigeration liner of FIG. 3 provided with a refrigeration component;

FIG. 10 is a schematic isometric view of the communication member of FIG. 2, from the front to the rear;

FIG. 11 is a schematic isometric view of the front shell of FIG. 10, looking back and forth;

fig. 12 is a schematic isometric view of the rear housing of fig. 10.

Detailed Description

FIG. 1 is a schematic front view of a refrigerated chiller 100 according to one embodiment of the present utility model; fig. 2 is a schematic isometric view of the refrigeration and freezer 100 of fig. 1, looking back and forth; FIG. 3 is a schematic partial isometric view of the refrigeration and freezer 100 of FIG. 2 from another angle; fig. 4 is a schematic partial top view of the refrigeration and freezer 100 of fig. 1. Referring to fig. 1 to 4, a refrigerating and freezing apparatus 100 may include a cabinet, a plurality of doors, and a refrigerating system for providing cold.

The box body can include the outer box, set up first inner bag and the second inner bag in the outer box, set up the insulating layer between inner bag and outer box. The opening directions of the first inner container and the second inner container are the same, and the first inner container and the second inner container are respectively opened and closed by at least one door body.

The refrigeration system may include a compressor, a condenser, a throttling element, and at least one evaporator. An evaporator may be disposed in the first bladder.

The refrigeration and freezing apparatus 100 may further include a communication member. The communicating component can be arranged to communicate the first inner container and the second inner container and is provided with a communicating air duct so that cold air flows between the first inner container and the second inner container, and the evaporator in the first inner container is used for supplying cold to the second inner container without separately arranging the evaporator in the second inner container.

The refrigeration and freezer 100 can also include a first component and a second component. The first component can be arranged in the first liner and is provided with a first air channel; the second component can be arranged in the second inner container and is provided with a second air duct so as to enable cold air to circulate in the first inner container and the second inner container.

Particularly, the communicating component can be arranged to be communicated with the first inner container and be close to the side wall of the second inner container, and be communicated with the second inner container and be close to the side wall of the first inner container, namely, the communicating component is communicated with the opposite side walls of the first inner container and the second inner container, so that the rear wall of the first inner container and the rear wall of the second inner container after being connected with the communicating component are flat, namely, the thickness of the heat insulation layer at the rear side of any inner container is uniform, foaming materials can be reduced on the basis of ensuring heat insulation performance, and the effective storage volume of the refrigerating and freezing device 100 is further increased.

In some embodiments, the preservation temperature of the first liner may be less than the preservation temperature of the second liner. The first liner may be a freezing liner 111, and correspondingly, the first component and the first air duct may be a freezing component 120 and a freezing air duct, respectively; the second liner may be a refrigerated liner 112, and correspondingly, the second component and the second air duct may be a refrigerated component 130 and a refrigerated air duct 131, respectively.

In other embodiments, the preservation temperature of the first liner may be equal to the preservation temperature of the second liner. The first liner and the second liner may be both the freezing liner 111 or both the refrigerating liner 112.

The following describes embodiments of the present utility model in detail by taking the first liner and the second liner as the freezing liner 111 and the refrigerating liner 112, respectively.

FIG. 5 is a schematic partial cross-sectional view of the rear case 140b of the communication member, and the refrigeration air channel 131 of the refrigeration unit 130 and the refrigeration back-plate 121 of the refrigeration unit 120 of FIG. 1; fig. 6 is a schematic exploded view of the freezing member 120 of fig. 1. Referring to fig. 5 and 6, the freezing component 120 can include a freezing back-plate 121, a freezing cover plate 122, and a freezing extension plate 123.

The freeze extension plate 123 may be disposed below the freeze-back plate 121 and the freeze cover plate 122. The freeze back plate 121 and the freeze extension plate 123 may be configured to sandwich the rear wall of the freezer liner 111 to form a freeze return air duct.

The evaporator may be disposed on the back side of the freeze-back plate 121 or on the back side of the freeze-extension plate 123 so that the evaporator is first secured to the freeze-back plate 121 or the freeze-extension plate 123 and then assembled with other structures.

The air inlet of the refrigerating and air returning duct may be formed at the bottom of the refrigerating and extending plate 123 or formed by sandwiching the refrigerating and extending plate 123 with the rear wall of the refrigerating liner 111.

The freezing cover plate 122 may be disposed on the front side of the freezing back-plate 121 and is sandwiched with the freezing back-plate 121 to form a freezing air supply duct. The freezing return air duct and the freezing air supply duct form a freezing air duct together. The freezing air supply duct is communicated with the communication duct.

The freeze back-plate 121 may be formed with vents to allow cool air flowing through the evaporator to enter the freeze air supply duct. The freezing cover 122 may be formed with a plurality of freezing air supply openings to blow out the cold air forward.

The cool air supply duct may be provided with a circulation fan 124 to promote cool air flow. The circulation fan 124 may be a centrifugal fan, and is disposed at the vent.

In some embodiments, the freezer component 120 can further include a damper assembly 125 for switching the freezer air duct to and from the communication air duct.

The damper assembly 125 may include a mount 1251, a baffle 1252, a motor 1253, and a heater wire.

The mount 1251 may be disposed on the supply path between the circulation fan 124 and the communication duct. The mount 1251 may be a hollow frame.

A baffle 1252 may be provided in rotational connection with the mount 1251 for switching the supply path between the circulation fan 124 and the communication duct.

A motor 1253 may be provided to drive the shutter 1252 in rotation. The motor 1253 may be disposed above the baffle 1252 to avoid condensate damage to the motor 1253.

The heating wire can be arranged on the baffle 1252 or the mounting seat 1251 to reduce or remove frost on the baffle 1252 and the mounting seat 1251, so as to avoid the blocking of the baffle 1252.

In some further embodiments, the baffle 1252 may be configured to rotate the conductive air supply path in a direction away from the refrigeration liner 112 to shorten the distance between the damper assembly 125 and the communicating member and mitigate condensation.

In some further embodiments, the baffle 1252 may be configured to tilt from bottom to top away from the refrigeration liner 112 when in the off state to facilitate the flow of condensate around the damper assembly 125 to the interior of the chilled air supply duct, reducing or even avoiding frosting.

In some further embodiments, the freezer component 120 can also include an insulation assembly. The insulation assembly may be formed with a mounting groove 1262 and an air guide 1263.

The damper assembly 125 may be disposed in the mounting slot 1262 to reduce heat exchange between the refrigerated liner 111 and the refrigerated liner 112 when the damper 1252 is in the off state.

The air guide 1263 may be disposed upstream of the mounting groove 1262 (i.e., closer to the side of the circulation fan 124) and bent back to extend in a direction approaching the refrigerating unit 130, so as to improve the smoothness of the air flow and further reduce the heat exchange between the freezing liner 111 and the refrigerating liner 112 when the damper 1252 is in the off state.

The insulating member may include an insulating seat 126 and an insulating cover 1261 disposed on a front side of the insulating seat 126. The insulating mount 126 may be provided in a secure connection with the freeze back-plate 121. The damper assembly 125 is disposed between the insulating base 126 and the insulating cover 1261, and the mounting slot 1262 is formed by the insulating base 126 and the insulating cover 1261 together. The air guide 1263 is formed in the heat insulating seat 126.

The freezer component 120 can also include a stop plate 127. The limiting plate 127 may be disposed between the freeze back-plate 121 and the freeze cover plate 122, and has a limiting opening 1271 adapted to the contour of the heat insulating cover 1261 to limit the movement of the heat insulating cover 1261 in the horizontal direction and the vertical direction.

Fig. 7 is a schematic isometric view of the cooling member 130 of fig. 1, from the rear looking forward; fig. 8 is a schematic exploded view of the refrigeration unit 130 of fig. 7. Referring to fig. 7 and 8, the refrigerating part 130 may include a refrigerating duct 131, a refrigerating cover 133, and a refrigerating back plate 132.

The refrigerating duct 131 may be formed with the refrigerating duct 131. The refrigerating cover plate 133 and the refrigerating back plate 132 may be disposed at the front side and the rear side of the refrigerating duct 131, respectively. Wherein, the refrigerating cover plate 133 may be formed with a plurality of refrigerating air supply openings communicating with the refrigerating duct 131 to blow out cold air forward; the refrigeration back panel 132 may be provided to seal the refrigeration air channel 131 from the rear side.

The refrigerating duct 131 may be made of a heat insulating material to reduce or even prevent the front surface of the refrigerating cover 133 from being condensed.

Fig. 9 is a schematic isometric view of the refrigeration liner 112 of fig. 3 provided with a refrigeration component 130. Referring to fig. 7 to 9, the refrigerating part 130 may further include an air inlet 134 disposed between the refrigerating duct 131 and the refrigerating backplate 132.

The air intake 134 may be provided with at least one air intake protrusion 1341. Each of the air intake protrusions 1341 may be formed with an air intake.

The side wall of the refrigerating liner 112 near the freezing liner 111 may be formed with a communication opening 113, and an air inlet protrusion 1341 may be provided in the communication opening 113 to receive the cold air in the communication duct and allow all the cold air from the communication duct to enter the refrigerating duct 131.

In the illustrated embodiment, the number of air inlet protrusions 1341 of the air inlet 134 may be two to direct cool air to different branches of the refrigerated air duct 131.

FIG. 10 is a schematic isometric view of the communication member of FIG. 2, from the front to the rear; FIG. 11 is a schematic isometric view of the front shell 140a of FIG. 10, from the rear looking forward; fig. 12 is a schematic isometric view of the rear housing 140b of fig. 10. Referring to fig. 2 to 5, and 10 to 12, in some embodiments, the communication member may include an air channel portion 141, a first flange 142, and a second flange 143.

The air channel portion 141 may be formed with a communication air channel. The first flange 142 and the second flange 143 may be disposed to extend radially outward from both ends of the air channel portion 141, and are respectively engaged with the freezing liner 111 and the refrigerating liner 112, so as to facilitate fixing of the communication member and improve tightness between the communication member and the freezing liner 111 and the refrigerating liner 112.

The air channel portion 141 may include a front case 140a and a rear case 140b to facilitate manufacturing processes. The front case 140a and the rear case 140b may be snapped in the front-rear direction and together form the air channel portion 141, the first burring 142, and the second burring 143.

The front case 140a and the rear case 140b may be respectively formed with a plurality of air guide ribs 146 to reduce the flow resistance of the cool air. The extension direction of the air guide rib 146 may be substantially the same as the extension direction of the communication duct.

The outer surfaces of the front case 140a and the rear case 140b may be provided with reinforcing ribs 147, respectively, to prevent the air channel portion 141 from being deformed during foaming of the insulation layer.

The freezing liner 111 and the refrigerating liner 112 may be formed with a plurality of outwardly protruding engagement structures 114, respectively. The freezing component 120 and the refrigerating component 130 may be respectively connected to the plurality of connecting structures 114 of the freezing liner 111 and the refrigerating liner 112.

In some embodiments, the communication member may be formed with a plurality of locating structures 144. A plurality of locating structures 144 may be formed on the first flange 142 and the second flange 143, respectively.

The at least one positioning structure 144 may be configured to at least partially form-fit with the at least one snap-fit structure 114 of the refrigeration liner 111, respectively; the at least one positioning structure 144 may be configured to be respectively in at least partial form with the at least one clamping structure 114 of the refrigerated liner 112, i.e. each positioning structure 144 is configured to be in partial or full form with one clamping structure 114 to define movement of the communicating member in a front-to-rear direction and/or a vertical direction with respect to the refrigerated liner 112 and the refrigerated liner 111.

In some further embodiments, the first flange 142 may be provided with at least one positioning structure 144 on the upper and lower sides of the air channel portion 141, respectively, to limit movement of the communicating member in the vertical direction with respect to the freezing cylinder 111.

In some further embodiments, the second flange 143 may be provided with at least one positioning structure 144 on the upper and lower sides of the air channel portion 141, respectively, to limit movement of the communicating member in a vertical direction with respect to the refrigeration liner 112.

In some embodiments, the communication member may be provided to extend obliquely downward from the freezing cylinder 111 toward the refrigerating cylinder 112 so that condensed water in the communication duct flows into the refrigerating duct 131.

The first flange 142 may be configured to cooperate with the top wall, the rear wall, and the side wall adjacent the refrigerated liner 112 of the refrigerated liner 111 to define movement of the communicating members downwardly, forwardly, and in a direction toward the refrigerated liner 112 relative to the refrigerated liner 111.

In an embodiment in which the first flange 142 cooperates with the top wall of the refrigeration liner 111, the first flange 142 may be provided with only one positioning structure 144, and the positioning structure 144 is located above the air channel portion 141 to define, with the top wall of the first flange 142, movement of the communicating member in the vertical direction with respect to the refrigeration liner 111.

The positioning structure 144 of the first flange 142 may be configured to cover the top and bottom of one of the fastening structures 114, and form an installation opening on the front side, so that the communication member may be attached to and detached from the freezing cylinder 111 in the front-rear direction.

The freezing and refrigerating

liners

111 and 112 may be formed with a storage space and an installation space at the rear side of the storage space, respectively. The freezing part 120 and the refrigerating part 130 may be at least partially disposed in the installation spaces of the freezing and refrigerating

liners

111 and 112, respectively. Wherein, the width of the installation space can be smaller than the width of the storage space.

In some embodiments, the second flange 143 may be configured to cooperate with the side and rear walls of the storage space of the refrigerated liner 112, and the side and rear walls of the mounting space to define movement of the communicating members in a forward and proximal direction relative to the refrigerated liner 112 and to the refrigerated liner 111, and to improve sealing and stability.

The second flange 143 may be provided with a positioning structure 144 at the upper side and the lower side of the air channel portion 141, respectively. Wherein, the positioning structure 144 located on the upper side may be configured to cover the bottom of one of the clamping structures 114; the locating structure 144 on the underside may be configured to wrap over the top of one of the snap-fit structures 114 to limit movement of the communicating member in the front-to-back and vertical directions relative to the refrigerated liner 112.

The refrigerating bladder 112 may be formed with a plurality of bladder ribs 115 distributed in a height direction and recessed inward.

The second flange 143 may be formed with at least one limit protrusion 145. Each of the limit protrusions 145 may be disposed in a recess of one of the ribs 115 to further limit movement of the communication member in a vertical direction with respect to the refrigeration liner 112 and to facilitate installation and positioning of the communication member.

In the illustrated embodiment, the number of the limit protrusions 145 is one, and the projection in the vertical plane is located in the air channel portion 141, i.e., one limit protrusion 145 is located between two positioning structures 144.

The positioning structure 144 and the limiting protrusion 145 may be formed on the front case 140a, so that the rear case 140b can be fastened to the front case 140a after the front case 140a is connected to the freezing liner 111 and the refrigerating liner 112. Of course, the front case 140a and the rear case 140b may be assembled and then connected to the refrigeration liner 111 and the inner refrigeration liner 112.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been shown and described herein in detail, many other variations or modifications of the utility model consistent with the principles of the utility model may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the utility model. Accordingly, the scope of the present utility model should be understood and deemed to cover all such other variations or modifications.

Claims

1. A refrigeration and freezer comprising:

2. The refrigeration and freezer of claim 1, further comprising:

3. The refrigeration and chiller of claim 2 wherein the communication means comprises:

the air duct part is provided with the communication air duct; and

4. A refrigerating and freezing apparatus according to claim 3, wherein,

the first flanging is respectively provided with at least one positioning structure at the upper side and the lower side of the air channel part; and/or

5. A refrigerating and freezing apparatus according to claim 1, wherein,

the preservation temperature of the first inner container is smaller than that of the second inner container; and is also provided with

6. A refrigerating and freezing apparatus according to claim 5, wherein,

the communication part is formed with a first flanging which is arranged to be matched with the top wall, the rear wall and the side wall close to the second liner of the first liner.

7. The refrigeration and freezer of claim 5, further comprising:

8. A refrigerating and freezing apparatus according to claim 5, wherein,

the second liner is provided with a plurality of liner ribs which are distributed along the height direction and are recessed inwards; and is also provided with

9. The refrigeration and freezer of claim 1, further comprising:

10. A refrigerating and freezing apparatus as recited in claim 9, wherein,

the second part is provided with at least one air inlet bulge, and each air inlet bulge is provided with an air inlet; and is also provided with

11. The refrigeration chiller of claim 9, wherein the damper assembly comprises:

12. The refrigeration and freezer of claim 9, further comprising: