CN111765518A - Door plate driving device and cabinet air conditioner - Google Patents
Door plate driving device and cabinet air conditioner Download PDFInfo
- Publication number
- CN111765518A CN111765518A CN202010642239.4A CN202010642239A CN111765518A CN 111765518 A CN111765518 A CN 111765518A CN 202010642239 A CN202010642239 A CN 202010642239A CN 111765518 A CN111765518 A CN 111765518A
- Authority
- CN
- China
- Prior art keywords
- door panel
- sliding
- driving device
- arc groove
- door plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
Abstract
The invention provides a door plate driving device and a cabinet air conditioner, wherein the door plate driving device comprises a first fixing piece, a door plate sliding arc groove connected with the door plate in a sliding mode is arranged on the first fixing piece, the door plate sliding arc groove is provided with a first circumferential section, a first track changing section and a second circumferential section, the first track changing section is arranged between the first circumferential section and the second circumferential section, the first track changing section protrudes and extends towards the outer side direction of an air conditioner shell, the end portion of the door plate can be connected into the door plate sliding arc groove in a sliding mode through a first sliding connecting portion and a second sliding connecting portion which are arranged on the door plate, and the first sliding connecting portion and the second sliding connecting portion are respectively arranged in the first circumferential section and the second circumferential section in a one-to-one correspondence mode. According to the door plate driving device and the cabinet air conditioner, the door plate is pushed outwards in the driving process of the door plate through the rail changing design of the sliding arc groove of the door plate, so that the gap between the door plate and the shell of the air conditioner is reduced, and the door plate driving structure is simplified.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to a door plate driving device and a cabinet air conditioner.
Background
The existing circular floor type air conditioner with a straight air outlet generally has two air outlet panel motion devices: one is to adopt an air outlet panel (or a door panel) to open and close an air outlet and realize left and right air sweeping through an independent driving mechanism; one is to adopt the air outlet panel (or door panel) to open and close the air outlet, and simultaneously realize the function of left and right air sweeping through the left and right rotation of the air outlet panel. The existing first motion device needs a set of rotation mechanism of the air outlet panel (or door panel) to open or close the air outlet, and needs a set of independent air sweeping mechanism to realize the function of left and right air sweeping, so that the device has more parts, higher production cost and lower assembly efficiency, and can not reach a completely closed state in the state of closing the air outlet, namely, the air outlet panel and the air conditioner shell have larger gap, thus affecting the appearance attractiveness of the whole machine and being not beneficial to the safety design of insect and mouse prevention; the existing second type of movement device simultaneously realizes the functions of opening and closing an air outlet and left and right air sweeping through a set of air outlet panel (or door plate) rotating mechanism, but in order to realize a completely closed state, so that the gap between the air outlet panel and an air conditioner shell is eliminated, a set of telescopic mechanism is added, the movement device is complex, the number of parts is large, the production cost is high, the assembly efficiency is low, and the maintenance difficulty is increased.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to provide a door panel driving device and a cabinet air conditioner, wherein the door panel is pushed outward in the driving process of the door panel by the rail-changing design of the sliding arc groove of the door panel, so that the gap between the door panel and the air conditioner housing is reduced, and the door panel driving structure is simplified.
In order to solve the above problems, the present invention provides a door plate driving device, which includes a first fixing member, wherein the first fixing member has a door plate sliding arc groove slidably connected to a door plate, the door plate sliding arc groove has a first circumferential section, a first track changing section, and a second circumferential section, the first track changing section is located between the first circumferential section and the second circumferential section, the first track changing section protrudes and extends toward the outer side of an air conditioner housing, an end of the door plate can be slidably connected to the door plate sliding arc groove through a first sliding connection portion and a second sliding connection portion of the door plate, and the first sliding connection portion and the second sliding connection portion are respectively located in the first circumferential section and the second circumferential section in a one-to-one correspondence manner.
Preferably, the first circumferential segment is concentrically disposed with the second circumferential segment.
Preferably, the door panel sliding arc groove further comprises a second track changing section, and the second track changing section is located at one end of the first circumferential section, which is far away from the first track changing section.
Preferably, the door panel driving device further comprises a rotating member and a driving motor, the rotating member is connected with the door panel, and the driving motor can drive the rotating member to rotate.
Preferably, the rotating moving member is movably connected with the door panel through a connecting rod.
Preferably, the rotating member is provided with a first connecting column, the door panel is provided with a second connecting column, and two ends of the connecting rod are respectively pivoted on the first connecting column and the second connecting column in a one-to-one correspondence manner.
Preferably, the door panel driving device further comprises a second fixing member, the first fixing member and the second fixing member are fixedly connected, and the rotating member is located between the first fixing member and the second fixing member.
Preferably, the first fixing member is further configured with a first sliding arc groove, the second fixing member is further configured with a second sliding arc groove, the side of the rotating member facing the first fixing member and the second fixing member is provided with a sliding member, one part of the sliding member is slidably connected in the first sliding arc groove, and the other part of the sliding member is slidably connected in the second sliding arc groove.
Preferably, the sliding component comprises a translational rotating component and/or a rolling rotating component, the translational rotating component is used for being in sliding contact with the groove side wall of the first sliding arc groove or the second sliding arc groove, and the rolling rotating component is used for being in sliding contact with the groove bottom wall of the first sliding arc groove or the second sliding arc groove.
Preferably, the rotary motion member further has a bearing column extending toward one side of the door panel, the door panel is provided with a bearing groove, and the bearing column can be inserted into the bearing groove and can synchronously slide in the bearing groove in the sliding direction of the door panel.
The invention also provides a cabinet air conditioner, which comprises two door panel driving devices and two door panels, wherein the two door panel driving devices are respectively arranged at the upper end and the lower end of the door panel, and the door panel driving device is the door panel driving device.
The door plate driving device and the cabinet air conditioner provided by the invention have the advantages that the door plate is connected in the door plate sliding arc groove in a sliding mode through the first sliding connecting part and the second sliding connecting part and is respectively positioned at two sides of the first track transfer section, when the air conditioner is in a wind sweeping operation mode, the door plate is driven to reciprocate along the arc extending direction of the door plate sliding arc groove by preset displacement, at the moment, the first sliding connecting part and the second sliding connecting part are respectively positioned in the corresponding first circumferential section and the second circumferential section and are not associated with the first track transfer section, when the air conditioner is in a shutdown (or startup) process, the door plate is driven to move along the arc extending direction and close to the first track transfer section, and the second sliding connecting part finally enters the first track transfer section from the second circumferential section, and because the first track transfer section protrudes towards one side of the air conditioner shell, the door panel is pushed out towards one side of the air conditioner shell under the action of the first track transfer section, so that the gap between the door panel and the decorative panel when the door panel is in a closed state is reduced.
Drawings
FIG. 1 is a schematic view of a disassembled structure of a door panel driving device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the first fastening member of FIG. 1;
FIG. 3 is a schematic view of the rotary motion member of FIG. 1;
FIG. 4 is a schematic view of a door panel of a packaged air conditioner according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic structural diagram of a door panel driving device and a door panel driving connection according to an embodiment of the present invention;
fig. 7 is a schematic view of a disassembled structure of a packaged air conditioner according to an embodiment of the present invention.
The reference numerals are represented as:
1. a first fixing member; 111. a first circumferential segment; 112. a first track transfer segment; 113. a second circumferential segment; 114. a second track transfer segment; 12. a first sliding arc groove; 2. a rotary motion member; 21. a connecting rod; 22. a first connecting column; 241. a roller; 242. a roller mounting seat; 243. a shaft sleeve mounting post; 244. a shaft sleeve; 25. a load bearing column; 26. a ring gear; 3. a second fixing member; 4. a drive motor; 41. a drive gear; 101. a door panel; 1011. a first sliding connection portion; 1012. a second sliding connection portion; 1013. a second connecting column; 1014. a bearing groove; 1015. the door plate air outlet; 102. a door panel drive device; 1031. a cap assembly; 1032. a base assembly; 1033. a decorative panel; 1034. an air duct member; 1035. a heat exchanger; 1036. an air intake panel; 1037. a wind deflector component.
Detailed Description
Referring to fig. 1 to 7 in combination, according to an embodiment of the present invention, there is provided a door panel driving device, including a first fixing member 1, where a position of the first fixing member 1 is fixed with respect to an air conditioner casing, the first fixing member 1 is provided with a door panel sliding arc groove slidably connected to a door panel 101, the door panel sliding arc groove is provided with a first circumferential section 111, a first track changing section 112, and a second circumferential section 113, the first track changing section 112 is located between the first circumferential section 111 and the second circumferential section 113, the first track changing section 112 protrudes and extends toward an outside direction of the air conditioner casing, an end of the door panel 101 can be slidably connected to the door panel sliding arc groove through a first sliding connection portion 1011, a second sliding connection portion 1012 thereof, and the first sliding connection portion 1011, the second sliding connection portion 1012 are located in the first circumferential section 111, the second sliding connection portion 1011, and the second sliding connection portion 1012 are respectively located in a one-to one correspondence manner, Within the second circumferential segment 113. In this technical solution, the door panel 101 is slidably connected to the door panel sliding arc groove through the first sliding connection portion 1011 and the second sliding connection portion 1012 and is respectively located at two sides of the first swing rail section 112, when the air conditioner is in the wind sweeping operation mode, the door panel 101 is driven to reciprocate along the arc extending direction of the door panel sliding arc groove with a preset displacement, at this time, the first sliding connection portion 1011 and the second sliding connection portion 1012 are respectively located in the corresponding first circumferential section 111 and the second circumferential section 113 and are not associated with the first swing rail section 112, when the air conditioner is in the shutdown (or startup) process, the door panel 101 is driven to move along the arc extending direction and close to the first swing rail section 112, and the second sliding connection portion 1012 finally enters the first swing rail section 112 from the second circumferential section 113, and because the first track transfer section 112 is protruded towards one side of the air conditioner casing, the door panel 101 is pushed out towards one side of the air conditioner casing under the action of the first track transfer section 112, so that the gap between the door panel 101 and the decorative panel 1033 is reduced when the door panel 101 is in a closed state, even the door panel 101 is completely closed, compared with the mode of reducing the gap by adopting a special telescopic device in the prior art, the technical scheme of the invention has a simpler structure, and because an outward pushing part such as a corresponding motor is not required to be arranged independently as in the prior art, the production and manufacturing cost of the air conditioner is reduced to a certain extent, and meanwhile, the technical scheme of the invention is more simplified, the assembly process of the door panel driving device and the air conditioner can be simplified, the working efficiency is improved, and the after-sale maintenance difficulty of the air conditioner is also reduced. The first circumferential section 111 and the second circumferential section 113 may be arranged eccentrically to reduce the requirement for the processing accuracy of the door panel sliding arc groove, and at this time, the smooth sliding operation of the door panel 101 may be ensured by increasing the gaps between the first sliding connection portion 1011 and the second sliding connection portion 1012 of the door panel 101 and the groove side wall. Preferably, the first circumferential section 111 and the second circumferential section 113 are concentrically arranged, and in this case, gaps between the first sliding coupling portion 1011 and the second sliding coupling portion 1012 of the door panel 101 and the groove side wall can be further reduced, so that stable reliability of the sliding process of the door panel 101 can be ensured. The first sliding connection 1011 and the second sliding connection 1012 may be, for example, respective cylindrical components with bushings in specific design.
It will be understood that, when only the first track segment 112 is disposed in the door panel sliding arc groove, the second sliding connection portion 1012 will swing around the end of the first circumferential segment 111 away from the first track segment 112 as a pivot (at this time, the first sliding connection portion 1011 is movably abutted against the end), which is driven by the corresponding driving component, and this swing forms the outward pushing of the door panel 101, and this swing in one position may cause the gap between the door panel 101 and the decorative panel 1033 to be not uniform enough, therefore, preferably, the door panel sliding arc groove further includes a second track segment 114, the second track segment 114 is disposed at the end of the first circumferential segment 111 away from the first track segment 112, the protruding direction of the second track segment 114 is consistent with the protruding direction of the first track segment 112, and most preferably, when the cabinet air conditioner is a circular cabinet air conditioner, the protruding depths of the first rail changing section 112 and the second rail changing section 114 are preferably the same, so that the gap between the door panel 101 and the decorative panel 1033 can be ensured to be uniform, and certainly, when the outline of the cabinet air conditioner is not in a standard circular shape, the protruding depths of the first rail changing section 112 and the second rail changing section 114 can be reasonably designed according to the size of the air conditioner shell, and details are not repeated here.
Door plant drive arrangement includes rotary motion spare 2, driving motor 4, rotary motion spare 2 with door plant 101 is connected, driving motor 4 can drive rotary motion spare 2 is rotatory, and is concrete, as shown in fig. 6, ring gear 26 has on rotary motion spare 2's the inner wall, then be equipped with drive gear 41 on driving motor 4's the power take off end, drive gear 41 with tooth meshing between the ring gear 26, when driving motor 4 operates, rotary motion spare 2 drives door plant 101 produces circumferential motion.
Further, the rotating motion piece 2 with through connecting rod 21 swing joint between the door plant 101, it is concrete, the last first spliced pole 22 that has of rotating motion piece 2, the last second spliced pole 1013 that has of door plant 101, the pin joint that the both ends one-to-one respectively of connecting rod 21 in first spliced pole 22, second spliced pole 1013, the design of connecting rod 21 makes door plant 101 with the connection between the rotating motion piece 2 forms the displacement allowance, prevents to lead to the emergence of card dead phenomenon because of the fit clearance is improper in the sliding process of door plant 101.
Further, the door panel driving device further includes a second fixing member 3, the first fixing member 1 is fixedly connected to the second fixing member 3, the rotating member 2 is located between the first fixing member 1 and the second fixing member 3, and the driving motor 4 may be fixedly connected to the first fixing member 1 or the second fixing member 3. The first fixing member 1, the second fixing member 3 and the rotary motion member 2 are clamped, so that the door panel driving device is more compact and reliable in structure.
At this time, a first sliding arc groove 12 is further formed in the first fixing member 1, a second sliding arc groove is further formed in the second fixing member 3, a sliding part is arranged on a side surface of the rotary moving member 2 facing the first fixing member 1 and the second fixing member 3, one part of the sliding part is slidably connected in the first sliding arc groove, the other part of the sliding part is slidably connected in the second sliding arc groove, specifically, the sliding part comprises a translational rotating assembly and/or a rolling rotating assembly, the translational rotating assembly is used for slidably contacting with a groove side wall of the first sliding arc groove or the second sliding arc groove, and the rolling rotating assembly is used for slidably contacting with a groove bottom wall of the first sliding arc groove or the second sliding arc groove. The translational rotating assembly comprises a shaft sleeve mounting column 243 on the rotating part 2 and a shaft sleeve sleeved on the shaft sleeve mounting column 243, and the rolling rotating assembly comprises a roller mounting seat 242 on the rotating part 2 and a roller 241 pivotally connected to the roller mounting seat.
Further, the rotating motion part 2 is further provided with a bearing column 25 extending towards one side of the door panel 101, the door panel 101 is provided with a bearing groove 1014, the bearing column 25 can be inserted into the bearing groove 1014 and can synchronously slide in the bearing groove 1014 in the sliding direction of the door panel 101, the bearing column 25 can share the gravity of the door panel 101 to a certain extent, so that the pressure of the door panel 101 on a component (the first fixing part 1) below the door panel is ensured, and the fatigue damage caused by the long-time application of the component is prevented.
According to an embodiment of the present invention, there is also provided a cabinet air conditioner, including two door panel driving devices 102 and two door panels 101, where the two door panel driving devices 102 are respectively located at upper and lower ends of the door panel 101, the door panel driving device 102 is the door panel driving device described above, specifically referring to fig. 7, the two door panel driving devices 102 are respectively located at the top end and the bottom end of the door panel 101, and the two door panel driving devices 102 may adopt different modes in specific detailed configurations to adapt to specific designs of upper and lower parts of the cabinet air conditioner.
As shown in fig. 7, the cabinet air conditioner further includes a top cover assembly 1031 and a base assembly 1032, the air conditioner housing is located between the top cover assembly 1031 and the base assembly 1032, the air conditioner housing includes a decoration panel 1033 and an air inlet panel 1036 that are relatively buckled, and a door panel 101, a wind shield member 1037, an air channel member 1034 and a heat exchanger 1035 are sequentially arranged in the air conditioner housing along the direction from the air outlet to the air inlet. It is understood that the door panel 101 has a door panel outlet 1015, and the door panel driving device is used to ensure whether the door panel outlet 1015 is aligned with the outlet of the decorative panel 1033.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (11)
1. The door plate driving device is characterized by comprising a first fixing piece (1), wherein a door plate sliding arc groove in sliding connection with a door plate (101) is formed in the first fixing piece (1), the door plate sliding arc groove is provided with a first circumferential section (111), a first variable rail section (112) and a second circumferential section (113), the first variable rail section (112) is located between the first circumferential section (111) and the second circumferential section (113), the first variable rail section (112) protrudes and extends towards the outer side direction of an air conditioner shell, the end part of the door plate (101) can be slidably connected into the door plate sliding arc groove through a first sliding connection part (1011) and a second sliding connection part (1012) which are arranged on the first circumferential section (111) and the second circumferential section (1012), and the first sliding connection part (1011) and the second sliding connection part (1012) are respectively located in the first circumferential section (111) and the second circumferential section (113) in a one-to-one correspondence manner, Within the second circumferential segment (113).
2. A door panel driving device according to claim 1, characterized in that said first circumferential segment (111) is concentrically arranged with said second circumferential segment (113).
3. A door panel drive arrangement according to claim 1, characterized in that said door panel sliding arc groove further comprises a second track segment (114), said second track segment (114) being at an end of said first circumferential segment (111) remote from said first track segment (112).
4. A door panel driving device according to claim 1, further comprising a rotary moving member (2), a driving motor (4), wherein the rotary moving member (2) is connected to the door panel (101), and the driving motor (4) can drive the rotary moving member (2) to rotate.
5. A door panel driving device according to claim 4, characterized in that the rotary moving member (2) is movably connected with the door panel (101) through a connecting rod (21).
6. A door panel driving device according to claim 5, characterized in that the rotating member (2) has a first connecting column (22), the door panel (101) has a second connecting column (1013), and two ends of the connecting rod (21) are respectively pivoted to the first connecting column (22) and the second connecting column (1013) in a one-to-one correspondence manner.
7. A door panel driving device according to claim 4, characterized in that it further comprises a second fixed member (3), said first fixed member (1) and said second fixed member (3) are fixedly connected, and said rotary moving member (2) is located between said first fixed member (1) and said second fixed member (3).
8. A door panel driving device as claimed in claim 7, characterized in that said first fixing member (1) is further configured with a first sliding arc groove (12), said second fixing member (3) is further configured with a second sliding arc groove, and the side of said rotary moving member (2) facing said first fixing member (1) and said second fixing member (3) is provided with a sliding member, one part of said sliding member is slidably connected in said first sliding arc groove, and the other part of said sliding member is slidably connected in said second sliding arc groove.
9. The door panel driving device as claimed in claim 8, wherein the sliding component comprises a translational rotating component and/or a rolling rotating component, the translational rotating component is used for being in sliding contact with the groove side wall of the first sliding arc groove or the second sliding arc groove, and the rolling rotating component is used for being in sliding contact with the groove bottom wall of the first sliding arc groove or the second sliding arc groove.
10. A door panel driving device according to claim 4, characterized in that the rotary motion member (2) is further provided with a bearing column (25) extending towards one side of the door panel (101), the door panel (101) is provided with a bearing groove (1014), the bearing column (25) can be inserted into the bearing groove (1014) and the bearing column (25) can synchronously slide in the bearing groove (1014) in the sliding direction of the door panel (101).
11. A cabinet air conditioner comprising a door panel driving device (102) and a door panel (101), wherein the door panel driving device (102) has two door panels, and the two door panel driving devices (102) are respectively disposed at the upper end and the lower end of the door panel (101), and the door panel driving device (102) is the door panel driving device according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642239.4A CN111765518A (en) | 2020-07-06 | 2020-07-06 | Door plate driving device and cabinet air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642239.4A CN111765518A (en) | 2020-07-06 | 2020-07-06 | Door plate driving device and cabinet air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111765518A true CN111765518A (en) | 2020-10-13 |
Family
ID=72724602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010642239.4A Pending CN111765518A (en) | 2020-07-06 | 2020-07-06 | Door plate driving device and cabinet air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111765518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289537A (en) * | 2022-08-11 | 2022-11-04 | 珠海格力电器股份有限公司 | Door plate structure and air conditioner |
-
2020
- 2020-07-06 CN CN202010642239.4A patent/CN111765518A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289537A (en) * | 2022-08-11 | 2022-11-04 | 珠海格力电器股份有限公司 | Door plate structure and air conditioner |
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