CN219223008U - Vacuum fresh-keeping drawer and refrigerator - Google Patents
Vacuum fresh-keeping drawer and refrigerator Download PDFInfo
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- CN219223008U CN219223008U CN202320321487.8U CN202320321487U CN219223008U CN 219223008 U CN219223008 U CN 219223008U CN 202320321487 U CN202320321487 U CN 202320321487U CN 219223008 U CN219223008 U CN 219223008U
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- 239000000463 material Substances 0.000 description 4
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- 230000006978 adaptation Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a vacuum fresh-keeping drawer and a refrigerator, wherein the vacuum fresh-keeping drawer comprises a first drawer part and a second drawer part which enclose an internal storage space, the vacuum fresh-keeping drawer also comprises a locking mechanism, the locking mechanism comprises an operation handle and a locking protruding part which can be locked and matched, the locking protruding part is arranged on the first drawer part, the operation handle is arranged on the second drawer part, and the operation handle is provided with a limiting clamping groove; when the limit clamping groove of the operating handle is in limit fit with the locking protruding part and is locked, the first drawer component and the second drawer component are sealed and closed; when the limiting clamping groove of the operating handle is separated from the locking protruding part and unlocking is completed, the second drawer component and the first drawer component are opened. The vacuum fresh-keeping drawer and the refrigerator effectively solve the problems that the vacuum fresh-keeping drawer in the prior art is low in vacuumizing efficiency and inconvenient because of the lack of a locking mechanism.
Description
Technical Field
The utility model relates to the technical field of refrigerators, in particular to a vacuum fresh-keeping drawer and a refrigerator.
Background
Along with the gradual increase of health consciousness of people, the demand for food material preservation is also increased, and the refrigerator is used as the household appliance most commonly used for food material storage, so that the food material preservation storage becomes the technical demand to be solved urgently. Food can be stored for a long time under the low temperature condition of refrigeration or freezing, and the storage time of the food is influenced by factors such as temperature and humidity, air oxygen content in the food storage environment, bacteria concentration and the like.
In order to ensure that the food is preserved for a longer time, a vacuum preservation technology is provided at present, the principle is that microorganisms and various bacteria are difficult to survive in a vacuum environment, and the breeding requirement can be met only in a longer time; the oxygen content is greatly reduced, various chemical reactions cannot be completed, the food cannot be oxidized, and the food can be stored for a longer time.
At present, the refrigerator provides a vacuum fresh-keeping drawer which mainly comprises a drawer hopper and a drawer frame, and after the drawer hopper and the drawer frame are closed, the interior of the drawer is pumped out by a vacuum pump, so that the vacuum fresh-keeping function is realized.
However, the vacuum fresh-keeping drawer in the prior art has no locking mechanism, and the sealing performance between the drawer hopper and the drawer frame is poor, so that the vacuumizing efficiency of the vacuum fresh-keeping drawer is low; meanwhile, the drawer hopper and the drawer frame are required to be always detected and guaranteed to be in sealing fit in the vacuumizing process, so that the vacuumizing process is inconvenient.
Disclosure of Invention
The embodiment of the utility model provides a vacuum fresh-keeping drawer and a refrigerator, which are used for solving the problems that the vacuum fresh-keeping drawer in the prior art is low in vacuumizing efficiency and inconvenient to use due to the fact that a locking mechanism is not arranged.
In order to achieve the above purpose, the utility model provides a vacuum fresh-keeping drawer, which comprises a first drawer component and a second drawer component which enclose an internal storage space, and further comprises a locking mechanism, wherein the locking mechanism comprises an operation handle and a locking protruding part which can be locked and matched, the locking protruding part is arranged on the first drawer component, the operation handle is arranged on the second drawer component, and a limiting clamping groove is formed in the operation handle; when the limit clamping groove of the operating handle is in limit fit with the locking protruding part and is locked, the first drawer component and the second drawer component are sealed and closed; when the limiting clamping groove of the operating handle is separated from the locking protruding part and unlocking is completed, the second drawer component and the first drawer component are opened.
Further, the operating handle is rotatably provided on the second drawer member through a pivot shaft; the operating handle rotates around the pivot shaft as the axis to complete locking and unlocking.
Further, the operating handle comprises a first connecting rod and a second connecting rod which are connected; the first end of the first connecting rod is provided with a limiting clamping groove, the first end of the second connecting rod is provided with an operation part, and the second end of the first connecting rod is connected with the second end of the second connecting rod.
Further, the pivot shaft is positioned at the connection part of the first connecting rod and the second connecting rod; a first included angle is formed between the axis of the first connecting rod and the axis of the second connecting rod, and the angle range of the first included angle is between 0 and 90 degrees.
Further, the locking protruding portion is of a column structure, the column structure is fixedly connected to the first drawer component, and the column structure is matched with the limiting clamping groove.
Further, a guide groove is formed in the second drawer component, a guide column is arranged on the operation handle, the guide column is slidably arranged in the guide groove, and the guide column slides in the guide groove under the driving of the operation handle.
Further, the groove wall of the guide groove is provided with a clamping protrusion; when the limiting clamping groove of the operating handle is separated from the locking convex part and unlocking is completed, the clamping position convex part clamps the guide column.
Further, the first drawer component is a drawer frame, and the second drawer component is a drawer bucket; alternatively, the first drawer member is a drawer bucket and the second drawer member is a drawer frame.
Further, a sealing piece is arranged at the matching position of the first drawer component and the second drawer component, and when the limiting clamping groove of the operation handle is in limiting fit with the locking protruding part and is locked, the first drawer component and the second drawer component are sealed and closed, and the sealing piece is extruded to deform.
According to another aspect of the utility model, a refrigerator is provided, comprising the vacuum fresh-keeping drawer.
When the vacuum fresh-keeping drawer needs to be closed for vacuumizing, the second drawer component is covered or inserted on the first drawer component, after the drawer is closed, a user rotates the operation handle to form limit fit with the limit clamping groove of the operation handle and the locking protruding part to form locking, and at the moment, the locking of the vacuum fresh-keeping drawer is completed. Under the locking state of the vacuum fresh-keeping drawer, the sealing between the first drawer component and the second drawer component is best, so that the drawer can be conveniently vacuumized, and the vacuumizing efficiency is highest. Moreover, the user only rotates the operation handle and can accomplish the locking of vacuum fresh-keeping drawer, can keep sealed cooperation always between second drawer part and the first drawer part, need not detect or keep sealed cooperation in the process, makes the evacuation process more convenient. Moreover, the locking mechanism has simple structure, low manufacturing cost and convenient maintenance.
Drawings
FIG. 1 is a schematic view of a vacuum fresh-keeping drawer according to a first embodiment of the present utility model;
FIG. 2 is a schematic view of a part of a vacuum fresh-keeping drawer according to a first embodiment of the present utility model;
FIG. 3 is a schematic view showing the structure of the operating handle of the vacuum fresh-keeping drawer according to the first embodiment of the present utility model in the state A;
FIG. 4 is a schematic view showing the structure of the operating handle of the vacuum fresh-keeping drawer according to the first embodiment of the present utility model in the state B;
fig. 5 is a schematic view of the structure of the vacuum fresh-keeping drawer according to the first embodiment of the present utility model when the operating handle is in the state C;
fig. 6 is a schematic structural view of a guide groove and a guide post of a vacuum fresh-keeping drawer according to the first embodiment of the present utility model.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and specific examples, which are not intended to limit the utility model thereto.
Referring to fig. 1 to 6, according to a first embodiment of the present utility model, there is provided a vacuum fresh-keeping drawer including a first drawer part 11 and a second drawer part 12 enclosing an internal storage space, the second drawer part 12 being covered or inserted on the first drawer part 11. The vacuum fresh-keeping drawer also comprises a locking mechanism, wherein the locking mechanism comprises an operation handle 20 and a locking protruding part 30 which can be in locking fit, the locking protruding part 30 is arranged on the first drawer component 11, the operation handle 20 is arranged on the second drawer component 12, and the operation handle 20 is provided with a limiting clamping groove 21; when the limit clamping groove 21 of the operating handle 20 and the locking protruding part 30 form limit fit and form locking, the first drawer component 11 and the second drawer component 12 are sealed and closed; when the limit catch 21 of the operating handle 20 is disengaged from the locking projection 30 and the unlocking is completed, the second drawer member 12 is opened from the first drawer member 11.
When the vacuum fresh-keeping drawer needs to be closed for vacuumizing, the second drawer component is covered or inserted on the first drawer component, after the drawer is closed, a user rotates the operation handle to form limit fit with the limit clamping groove of the operation handle and the locking protruding part to form locking, and at the moment, the locking of the vacuum fresh-keeping drawer is completed. Under the locking state of the vacuum fresh-keeping drawer, the sealing between the first drawer component and the second drawer component is best, so that the drawer can be conveniently vacuumized, and the vacuumizing efficiency is highest. Moreover, the user only rotates the operation handle and can accomplish the locking of vacuum fresh-keeping drawer, can keep sealed cooperation always between second drawer part and the first drawer part, need not detect or keep sealed cooperation in the process, makes the evacuation process more convenient. Moreover, the locking mechanism has simple structure, low manufacturing cost and convenient maintenance.
Preferably, the operating handle 20 is rotatably arranged on the second drawer member 12 by means of a pivot shaft 22; the operating handle 20 rotates about a pivot shaft 22 to perform locking and unlocking. The operation handle performs circular rotation through the pivot shaft, locking protruding portions are arranged on two sides of the first drawer component, the shape of the limiting clamping groove is matched with that of the locking protruding portions, and when the two drawer components are in a locking position, the locking protruding portions are completely located in the limiting clamping groove and located at the bottom of the limiting clamping groove, so that a certain unlocking distance (or unlocking stroke) is ensured, and therefore a user can be prevented from mistakenly touching and opening the locking mechanism, or the first drawer component and the second drawer component are prevented from being loosened when being matched.
As shown in connection with fig. 2 to 5, the operating handle 20 includes a first link 23 and a second link 24 connected; the first end of the first connecting rod 23 is provided with a limit clamping groove 21, the first end of the second connecting rod 24 is provided with an operation part 25, and the second end of the first connecting rod 23 is connected with the second end of the second connecting rod 24. The first connecting rod and the second connecting rod are both in a straight rod shape, and the cooperation between the first connecting rod and the second connecting rod forms an operation handle structure so as to form a rotation and locking function. After the user rotates the operation portion 25 clockwise, the limit catch moves clockwise and then turns into the lock boss position. After the user rotates the operation part counterclockwise, the limit clamping groove 21 is gradually separated from the locking protruding part 3, and finally the unlocking is completed. Fig. 2 shows a number of positions of the operating handle during rotation.
The pivot shaft 22 is positioned at the connection of the first connecting rod 23 and the second connecting rod 24; a first included angle alpha is formed between the axis of the first connecting rod 23 and the axis of the second connecting rod 24, and the angle of the first included angle alpha ranges from 0 degrees to 90 degrees. The operation handle in the shape of the bending connecting rod enables the rotation direction to be the same as the locking direction or the unlocking direction, and is convenient for a user to operate. The angle design of the first included angle alpha can enable the occupied space of the operation handle to be minimum, and the operation handle is not interfered with other structures.
In this embodiment, the locking protrusion 30 is a column structure, which is fixedly connected to the first drawer component 11, and is adapted to the limit clamping groove 21. The upright post structure can be cylindrical, rectangular or other upright posts with cross sections. The specific shape and specific structure of the upright post structure can be satisfied that the upright post structure can enter the limiting clamping groove.
The operating handle can be divided into a plurality of states in the process of rotating to complete locking: in state a, the operating handle starts to rotate clockwise, in the initial position, see fig. 3. After rotating, the operation handle enters a state B, and in the state B, the notch of the limit clamping groove of the operation handle just contacts with the locking convex part, but no limit fit is formed, and the operation handle is shown in fig. 4. The operation handle is continuously rotated and overcomes a certain friction force, and the operation handle enters a state C, and in the state C, limit fit (the locking protruding part is located in the limit clamping groove for limiting) is formed between the limit clamping groove of the operation handle and the locking protruding part, so that locking is completed, and the operation handle is shown in fig. 5.
The second drawer member 12 is provided with a guide groove 12a, the operating handle 20 is provided with a guide post 26, the guide post 26 is slidably arranged in the guide groove 12a, and the guide post 26 slides in the guide groove 12a under the driving of the operating handle 20. The cooperation of guide post and guide slot can make the rotation of operating handle more steady, can not damage corresponding structure because of rotating too much moreover.
In this embodiment, the first drawer member 11 is a drawer frame, and the second drawer member 12 is a drawer bucket, and the specific structure and shape can be seen in fig. 1.
Preferably, the groove wall of the guide groove 12a is provided with a clamping protrusion 12b; when the limit catch 21 of the operating handle 20 is disengaged from the locking projection 30 and the unlocking is completed, the catch projection 12b catches the guide post 26.
Because the structure shape of the operating handle is special, the gravity center of the operating handle is not in the center and is not at the pivot shaft. When the drawer is opened when a user accesses food, the operating handle is pulled out to the limit position. When the user's hand is disengaged from the operating handle, the operating handle is rotated downward by gravity. When a user closes the drawer, the operating handle interferes with structures (e.g., upright structures, surface features, etc.) on the drawer frame. For safety, a detent projection 12b is provided on the groove wall of the guide groove 12 a. When the user dials the operation connecting rod, the guide post can slide in the guide groove, and when the user needs to open the drawer, the guide post passes through the clamping protrusion and is clamped at one side of the clamping protrusion under the action of the pulling force and inertia of the user. At this time, the distance between the clamping protrusion and the corresponding side wall of the guide groove is slightly smaller than the diameter of the guide post to ensure that the guide post can be clamped inside (it is to be noted that the guide post itself or the surface is made of an elastic deformation material to ensure the gap formed by the clamping protrusion), so that the operation handle can be fixed at the limit position of the opening state without rebound when no inward force is applied to the operation handle. Thus, when the drawer is closed, the operation handle on the drawer bucket is prevented from interfering with the structure on the drawer frame, and the service lives of the drawer and the locking mechanism are prolonged.
The sealing element 40 is arranged at the matching position of the first drawer component 11 and the second drawer component 12, and when the limiting clamping groove 21 of the operating handle 20 and the locking convex part 30 form limiting matching and form locking, the first drawer component 11 and the second drawer component 12 are sealed and closed, the sealing element 40 is extruded to deform, and the sealing element is an elastic sealing ring. After the drawer is closed, the user rotates the operation handle to lock the operation handle and the locking protruding part, and at the moment, the sealing ring 20 is extruded and deformed to complete the locking of the vacuum fresh-keeping drawer. In the locked state, the sealing ring 20 is deformed by extrusion, so that the sealing between the first drawer component and the second drawer component is best, no air leakage gap exists, and the vacuumizing efficiency is highest.
The vacuum fresh-keeping drawer of this embodiment also includes solenoid valve, proximity switch, pneumatic connector, pressure sensor. For simple and beautiful structure, components such as electromagnetic valve, proximity switch, pneumatic connector and pressure sensor are installed at the rear part of the drawer frame, and a magnet (not shown) is installed at the rear part of the drawer bucket corresponding to the proximity switch. When the drawer is closed in place (namely, the drawer hopper is correspondingly covered or inserted on the drawer frame), the magnet is just in the detection range of the proximity switch, so that the control system can conveniently drive the electromagnetic valve and other electrical elements to work. The vacuum tube (not shown) is connected with the electromagnetic valve, the pneumatic connector and the like, so that the smoothness of the pneumatic loop can be realized, and the functions of vacuumizing, pressure relief and the like are realized conveniently. The vacuum pump and the electromagnetic valve start to work and vacuumize. When the pressure sensor detects that the pressure inside the drawer reaches a preset value, the electromagnetic valve stops working. When the pressure sensor detects that the internal pressure of the drawer does not reach a preset value, the vacuum pump continues to vacuumize. When a user opens the drawer, the pressure release button on the drawer is touched first, and automatic pressure release is realized by using the pressure release valve. The pressure sensor is fixed at the rear part of the drawer frame, so that the pressure inside the drawer frame can be monitored in real time, and the pressure inside the drawer can be conveniently detected. The drawer hopper is provided with a sealing ring. The gasket contacts the foremost edge of the drawer frame when the drawer is closed.
According to a second embodiment of the present utility model, a vacuum fresh-keeping drawer is provided, the structure of the second embodiment is basically identical to that of the first embodiment, and the difference between the second embodiment and the first embodiment is that the installation positions of the locking protruding portion and the operation handle are exchanged, that is, the first drawer component 11 is a drawer bucket, and the second drawer component 12 is a drawer frame, so that the structural function and the technical effect can be achieved.
According to a third embodiment of the present utility model, there is provided a refrigerator including the vacuum fresh-keeping drawer of the above embodiment.
The refrigerator of this embodiment has realized the manual locking function of refrigerator vacuum fresh-keeping drawer, compares ordinary vacuum fresh-keeping drawer among the prior art, and the performance is more reliable, also is convenient for the vacuum pump to carry out the evacuation to drawer inside, improves the function of refrigerator.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
Of course, the above is a preferred embodiment of the present utility model. It should be noted that it will be apparent to those skilled in the art that several modifications and adaptations can be made without departing from the general principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A vacuum fresh-keeping drawer comprising a first drawer part (11) and a second drawer part (12) enclosing an internal storage space, characterized in that,
the vacuum fresh-keeping drawer further comprises a locking mechanism, the locking mechanism comprises an operation handle (20) and a locking protruding part (30) which can be in locking fit, the locking protruding part (30) is arranged on the first drawer component (11), the operation handle (20) is arranged on the second drawer component (12), and the operation handle (20) is provided with a limiting clamping groove (21);
when the limit clamping groove (21) of the operating handle (20) is in limit fit with the locking protruding part (30) and is locked, the first drawer component (11) and the second drawer component (12) are sealed and closed; when the limiting clamping groove (21) of the operating handle (20) is separated from the locking protruding part (30) and unlocking is completed, the second drawer component (12) and the first drawer component (11) are opened.
2. The vacuum fresh-keeping drawer according to claim 1, wherein,
the operating handle (20) is rotatably arranged on the second drawer part (12) by a pivot shaft (22);
the operating handle (20) rotates around the pivot shaft (22) to complete locking and unlocking.
3. The vacuum fresh-keeping drawer according to claim 2, wherein,
the operating handle (20) comprises a first connecting rod (23) and a second connecting rod (24) which are connected;
the first end of the first connecting rod (23) is provided with the limiting clamping groove (21), the first end of the second connecting rod (24) is provided with the operating part (25), and the second end of the first connecting rod (23) is connected with the second end of the second connecting rod (24).
4. The vacuum fresh-keeping drawer according to claim 3, wherein,
the pivot shaft (22) is positioned at the connection part of the first connecting rod (23) and the second connecting rod (24);
a first included angle (alpha) is formed between the axis of the first connecting rod (23) and the axis of the second connecting rod (24), and the angle range of the first included angle (alpha) is 0-90 degrees.
5. The vacuum fresh-keeping drawer according to claim 1, wherein,
the locking protruding portion (30) is of a column structure, the column structure is fixedly connected to the first drawer component (11), and the column structure is matched with the limiting clamping groove (21).
6. The vacuum fresh-keeping drawer according to claim 1, wherein,
the second drawer component (12) is provided with a guide groove (12 a), the operation handle (20) is provided with a guide column (26), the guide column (26) is slidably arranged in the guide groove (12 a), and the guide column (26) slides in the guide groove (12 a) under the driving of the operation handle (20).
7. The vacuum fresh drawer of claim 6, wherein the vacuum fresh keeping drawer is configured to provide the vacuum fresh keeping drawer,
the groove wall of the guide groove (12 a) is provided with a clamping protrusion (12 b);
when the limiting clamping groove (21) of the operating handle (20) is separated from the locking protruding portion (30) and unlocking is completed, the clamping protruding portion (12 b) clamps the guide column (26).
8. The vacuum fresh-keeping drawer according to claim 1, wherein,
the first drawer component (11) is a drawer frame, and the second drawer component (12) is a drawer bucket; or,
the first drawer component (11) is a drawer bucket, and the second drawer component (12) is a drawer frame.
9. The vacuum fresh-keeping drawer according to claim 1, wherein,
the sealing piece (40) is arranged at the matching position of the first drawer component (11) and the second drawer component (12), and when the limiting clamping groove (21) of the operating handle (20) and the locking protruding part (30) form limiting matching and form locking, the first drawer component (11) and the second drawer component (12) are sealed and closed, and the sealing piece (40) is extruded to deform.
10. A refrigerator comprising a vacuum fresh-keeping drawer according to any one of claims 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320321487.8U CN219223008U (en) | 2023-02-23 | 2023-02-23 | Vacuum fresh-keeping drawer and refrigerator |
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Application Number | Priority Date | Filing Date | Title |
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CN202320321487.8U CN219223008U (en) | 2023-02-23 | 2023-02-23 | Vacuum fresh-keeping drawer and refrigerator |
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CN219223008U true CN219223008U (en) | 2023-06-20 |
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CN202320321487.8U Active CN219223008U (en) | 2023-02-23 | 2023-02-23 | Vacuum fresh-keeping drawer and refrigerator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117490333A (en) * | 2023-12-29 | 2024-02-02 | 珠海格力电器股份有限公司 | Drawer and refrigerator |
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2023
- 2023-02-23 CN CN202320321487.8U patent/CN219223008U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117490333A (en) * | 2023-12-29 | 2024-02-02 | 珠海格力电器股份有限公司 | Drawer and refrigerator |
CN117490333B (en) * | 2023-12-29 | 2024-04-05 | 珠海格力电器股份有限公司 | Drawer and refrigerator |
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