CN213208022U - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN213208022U CN213208022U CN202021911025.4U CN202021911025U CN213208022U CN 213208022 U CN213208022 U CN 213208022U CN 202021911025 U CN202021911025 U CN 202021911025U CN 213208022 U CN213208022 U CN 213208022U
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Abstract
The utility model relates to the technical field of air conditioners, and aims to provide an air conditioner indoor unit with a fan and a motor convenient to disassemble, which comprises an outer shell, a panel component, a fan component, a heat exchanger and a water pan; the panel assembly comprises a panel frame body and a panel, the panel frame body is fixed at the lower end of the outer shell, an air outlet is formed in the panel, and the panel is detachably connected with the panel frame body; the fan assembly comprises a fan motor, an oblique flow fan and an air guide ring; the air guide ring surrounds the diagonal flow fan and is sleeved outside the diagonal flow fan; the vertical projection of the diagonal flow fan is positioned in the panel; the water receiving tray is fixed in the outer shell and is arranged on the outer side of the air guide ring in a surrounding manner; the utility model discloses an air-conditioning indoor unit, through adopting the diagonal flow fan, wind-guiding circle and water collector can set up in the outside of diagonal flow fan, need not to dismantle other parts such as wind-guiding circle and water collector when changing fan and fan motor; meanwhile, the panel can be detached without detaching the whole panel assembly, so that the maintenance efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of household appliances, especially, relate to an indoor unit of air conditioner.
Background
After the indoor unit of the four-direction air conditioner is installed outside a factory, whether maintenance personnel can replace parts conveniently during maintenance is an important consideration standard. The middle air inlet grille is opened during maintenance of the current four-direction air conditioner to perform partial maintenance, important components such as a fan, a motor and the like are replaced, the fan is influenced by the structure of the current whole machine (the fan is a centrifugal fan, the fan diameter is larger than the size of a fan guard ring in a water pan assembly), the whole panel is required to be opened, then the disassembly work of the fan and the motor can be performed after the components such as the water pan, the fan guard ring and the like are disassembled, the whole process time is long, the operation is difficult, and the operation difficulty of an off-plant maintenance worker is large.
SUMMERY OF THE UTILITY MODEL
For solving the problem that the operation is dismantled to the fan among the above-mentioned prior art is troublesome and laboursome, the embodiment of the utility model provides an indoor unit of air conditioner adopts diagonal flow fan and detachable panel, need not to dismantle other parts such as whole panel components, water collector when changing fan and fan motor, reduces the maintenance degree of difficulty when having improved later stage maintenance efficiency.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
the utility model provides an indoor unit of an air conditioner,
in one embodiment, the method comprises the following steps:
the side wall of the outer shell is provided with an air return inlet;
the panel assembly comprises a panel frame body and a panel, the panel frame body is fixed at the lower end of the outer shell, an air outlet is formed in the panel, and the panel is detachably connected with the panel frame body;
the fan assembly comprises a fan motor, an oblique flow fan and an air guide ring; the fan motor is fixed at the top of the inner part of the outer shell; the oblique flow fan is connected with the fan motor, and the rotation axis of the oblique flow fan is vertically arranged; the air guide ring is fixed in the outer shell and sleeved outside the diagonal flow fan around the diagonal flow fan; the vertical projection of the diagonal flow fan is positioned in the panel;
the water receiving tray is fixed in the outer shell and is arranged on the outer side of the air guide ring in a surrounding manner;
and the heat exchanger is arranged on the upper side of the water receiving tray and is positioned on the inner side of the air return opening.
Furthermore, the panel and the panel frame are detachably connected through a switch structure.
Furthermore, a first mounting hole which is vertically arranged is formed in the top surface or the bottom surface of the panel frame body, a second mounting hole is formed in the side wall of the panel frame body, which is in butt joint with the panel, and the second mounting hole is communicated with the first mounting hole; seted up on the panel lateral wall with the relative draw-in groove of second mounting hole, switch structure includes:
the first key switch is arranged in the first mounting hole in a sliding mode, and a first inclined plane is arranged at the end part, located in the first mounting hole, of the first key switch;
the fixing pin is arranged in the second mounting hole in a sliding mode, a second inclined plane matched with the first inclined plane is arranged at the end part, located in the second mounting hole, of the fixing pin, and the fixing pin extends out of the second mounting hole and is inserted into the clamping groove through matching of the first inclined plane and the second inclined plane when the first key switch is pressed to move;
the first elastic piece is used for resetting and retracting the fixing pin into the second mounting hole;
the limit switch is arranged at the inner end of the first mounting hole and used for limiting the fixed pin to retract into the second mounting hole;
and the second key switch is arranged in the first mounting hole in a sliding manner and is used for removing the limiting effect of the limit switch.
Furthermore, the second key switch is slidably arranged in the first key switch, and the limit switch is an elastic buckle transversely arranged and arranged on the upper side of the fixing pin; when the fixing pin is inserted into the clamping groove, the end part of the elastic buckle is abutted against the end part of the fixing pin to limit the reset of the fixing pin; when the second key switch is pressed to move, the elastic buckle is extruded to enable the elastic buckle to deform upwards, the end part of the elastic buckle is separated from the end part of the fixing pin, and the limiting effect of the limit switch is relieved.
Further, the panel and the panel frame are detachably connected through a second fastener.
Further, the diagonal flow fan comprises a hub and blades arranged on the hub; the hub is a circular truncated cone, the diameter size of the hub is gradually reduced from bottom to top, a cavity with an opening at the bottom end is formed in the hub, a first fastening piece is arranged in the cavity, and the top end of the hub is detachably connected with a motor shaft of the fan motor through the first fastening piece.
Further, the wind-guiding circle includes:
a cylindrical body having opposing first and second ends, the first end being located above the second end;
a flow guide part arranged along the circumferential edge of the first end of the body;
the connecting part is arranged along the circumferential edge of the second end of the body and is used for being fixedly connected with the water pan.
Further, the connecting part is provided with a bending groove protruding upwards; the water receiving tray is provided with a protruding portion protruding downwards, the protruding portion is abutted to the top end of the bending groove, a third fastening piece is arranged in the bending groove, and the connecting portion is fixedly connected with the protruding portion through the third fastening piece.
Furthermore, a foaming material is filled between the lower side of the water pan and the outer wall of the air guide ring.
Furthermore, the flow guide part is of an arc-shaped surface structure protruding outwards, and the flow guide part is connected with the top end of the water receiving tray close to the side wall of the air guide ring in a smooth transition mode.
The technical scheme of the utility model prior art relatively has following technological effect:
according to the air-conditioning indoor unit, the oblique flow fan is adopted, the air guide ring and the water pan can be arranged on the outer side of the oblique flow fan, and other parts such as the air guide ring and the water pan do not need to be detached when the fan and the fan motor are replaced; simultaneously, through setting up the detachable panel, when openly changing fan and fan motor, need not to dismantle whole panel components, improved later stage maintenance efficiency, reduced the maintenance degree of difficulty simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an air conditioning indoor unit according to an embodiment of the present invention;
fig. 2 is a bottom view of an indoor unit of an air conditioner according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view of FIG. 3;
FIG. 5 is a cross-sectional view taken at I in FIG. 2, illustrating the panel and the panel frame in a disassembled state;
FIG. 6 is a schematic view showing a connection state between a panel and a panel frame;
fig. 7 is a schematic view illustrating a connection state between a panel and a panel frame according to a second embodiment of the present invention;
description of reference numerals:
100-an outer shell; 110-a top plate; 120-side plate; 121-air return; 130-return air filter screen;
200-a panel assembly; 210-a panel frame; 220-a panel; 221-an air outlet; 222-a card slot; 230-a wind deflector;
310-a fan motor;
320-oblique flow fan; 321-a hub; 322-leaf;
330-wind guide ring; 331-a cylindrical body; 332-a flow guide part; 333-connecting part; 3331-bending the groove;
340-a first fastener;
400-a heat exchanger;
500-a water pan; 510-a projection;
600-a switch structure; 610-a first key switch; 620-second key switch; 630-a fixed pin; 640-a first resilient member; 650-limit switch; 660 — a second elastic member;
700-a foamed material;
800-a hook;
900 — second fastener.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example one
As shown in fig. 1 to 6, the air conditioning indoor unit of the present embodiment includes an outer casing 100, a panel assembly 200, a fan assembly, a heat exchanger 400, and a water pan 500.
Referring to fig. 1, a return air inlet 121 is disposed on a side wall of the outer casing 100, and the return air inlet 121 is connected to a return air duct. In this embodiment, the indoor unit of the air conditioner is a square air conditioner product, that is, the outer casing 100 is a rectangular frame structure, the four side walls of the outer casing 100 are all provided with the air return opening 121, and the air return opening 121 is provided with the air return filter screen 130. Specifically, as shown in fig. 3, the outer case 100 includes a top plate 110 and a side plate 120 connected to a lower side of the top plate 110, and the air return opening 121 is opened in the side plate 120.
The panel assembly 200 includes a panel frame 210 and a panel 220, the panel frame 210 is fixed at the lower end of the outer casing 100, an air outlet 221 is formed on the panel 220, and the air outlet 221 is connected with the air outlet duct. The panel assembly 200 further includes a wind deflector 230, and the wind deflector 230 is rotatably disposed at the wind outlet 221. The panel 220 is detachably connected to the panel frame 210.
The fan assembly includes a fan motor 310, a diagonal flow fan 320, and a wind guide 330. The fan motor 310 is fixed to the top inside the outer case 100, i.e., to the top plate 110. The diagonal flow fan 320 is connected to the fan motor 310 with its rotation axis vertically disposed. Specifically, the diagonal flow fan 320 includes a hub 321 and blades 322 provided on the hub 321, and an upper end of the hub 321 is connected to the fan motor 310 through a motor shaft. Preferably, the rotational axis of the diagonal flow fan 320 is disposed coaxially with the vertical central axis of the outer casing 100. The wind guiding ring 330 is fixed in the outer casing 100, the wind guiding ring 330 is a rotating body structure, and is sleeved outside the diagonal fan 320 around the diagonal fan 320, and the wind guiding ring 330 and the side surface of the hub 321 form a wind outlet channel. Preferably, the wind-guiding ring 330 is coaxially disposed with the diagonal flow fan 320.
The water pan 500 is fixed in the outer casing 100, and is disposed around the air guiding ring 330 and outside the air guiding ring 330.
And a heat exchanger 400 disposed in the return air duct inside the return air inlet 121 to exchange heat with air sucked through the return air inlet 121. In this embodiment, the heat exchanger 400 is an annular heat exchanger 400, and is fixed to the top plate 110 and located above the water pan 500. The drip tray 500 can collect condensed water generated on the heat exchanger 400.
In the present embodiment, the vertical projection of the diagonal flow fan 320 is located in the panel 220, the shape of the panel 220 is circular, that is, the maximum diameter of the diagonal flow fan 320 is smaller than the diameter of the panel 220, and after the panel 220 is disassembled, the diagonal flow fan 320 can be disassembled from the outer casing 100.
In the air-conditioning indoor unit, the oblique-flow fan 320 is adopted, the air guide ring 330 and the water pan 500 can be arranged outside the oblique-flow fan 320, and other components such as the air guide ring 330 and the water pan 500 do not need to be detached when the fan and the fan motor 310 are replaced; meanwhile, by arranging the detachable panel 220, when the fan and the fan motor 310 are replaced in the front, the whole panel assembly 200 does not need to be detached, so that the later maintenance efficiency is improved, and the maintenance difficulty is reduced.
In the present embodiment, the panel 220 and the panel frame 210 are detachably connected through the switch structure 600. In the present embodiment, referring to fig. 2, the air outlets 221 are opened along the outer peripheral edge of the panel 220, so that the panel 220 is formed in a substantially rectangular shape, and the portion of the panel 220 between two adjacent air outlets 221 is used for connecting to the panel frame 210. In the present embodiment, the panel 220 is formed with four positions connected to the panel frame 210, and the switch structures 600 are respectively disposed at the four positions. The switch fabric 600 is described in detail below.
Referring to fig. 5 and 6, a first mounting hole is vertically formed in the panel frame 210, and a second mounting hole is formed in a side wall of the panel frame 210, which is in butt joint with the panel 220, and is communicated with the first mounting hole. The side wall of the panel 220 is provided with a slot 222 opposite to the second mounting hole.
The switch structure 600 includes a first key switch 610, a second key switch 620, a fixing pin 630, a first elastic member 640, and a limit switch 650.
The first key switch 610 is slidably disposed in the first mounting hole, and a first inclined plane is disposed at an end of the first key switch 610 located in the first mounting hole.
The fixing pin 630 is slidably disposed in the second mounting hole, a second inclined plane matched with the first inclined plane is disposed at an end portion of the fixing pin 630 located in the second mounting hole, and the fixing pin 630 is inserted into the slot 222 through the cooperation of the first inclined plane and the second inclined plane when the first key switch 610 moves.
The first elastic member 640 is used for restoring and retracting the fixing pin 630 into the second mounting hole. In this embodiment, the first elastic member 640 is a spring, and the spring is sleeved on the fixing pin 630.
The limit switch 650 is disposed at an inner end of the first mounting hole to limit the fixing pin 630 from being retracted into the second mounting hole.
The second key switch 620 is slidably disposed in the first mounting hole for releasing the restriction of the limit switch 650.
Specifically, the second key switch 620 is slidably disposed in the first key switch 610. The limit switch 650 is a laterally disposed elastic clip, and is disposed on the upper side of the fixing pin 630. When the fixing pin 630 is inserted into the slot 222, the end of the elastic buckle abuts against the end of the fixing pin 630 to limit the resetting of the fixing pin 630, as shown in fig. 6; the second push switch 620 is pressed to move, so that the elastic buckle is pressed to deform upwards, the end part of the elastic buckle is separated from the end part of the fixing pin 630, and the limiting function of the limit switch 650 is released, as shown in fig. 5. The second key switch 620 is connected to a second elastic member 660 for resetting, and the second elastic member 660 is a spring.
In this embodiment, the switch structure 600 may be disposed on the bottom surface of the panel frame 210, so as to facilitate the disassembling operation. In another embodiment, the switch structure 600 may be disposed on the top surface of the panel frame 210 and hidden in the outer casing 100 to improve the appearance and the pressing operation can be performed through the air outlet 221.
In the present embodiment, the diagonal flow fan 320 is detachably connected to the fan motor 310. Referring to fig. 3, the hub 321 of the diagonal flow fan 320 is a circular truncated cone, the diameter of which is gradually reduced from bottom to top, a cavity with an opening at the bottom end is formed inside the hub 321, a first fastening member 340 is arranged in the cavity, and the top end of the hub 321 is detachably connected with the motor shaft of the fan motor 310 through the first fastening member 340. Specifically, first fastener 340 is lock nut, and the motor shaft of fan motor 310 passes through the shaft hole at wheel hub 321 top and stretches into to the cavity, and lock nut and motor shaft bottom threaded connection are fixed, and during the dismantlement, only need to turn round lock nut down, and both can dismantle down diagonal fan 320.
As shown in fig. 4, the air guide ring 330 includes a cylindrical body 331, a flow guide portion 332, and a connecting portion 333. The cylindrical body 331 has opposite first and second ends, the first end being located above the second end. The flow guide part 332 is arranged along the circumferential edge of the first end of the body, and the flow guide part 332 is used for guiding the side intake airflow into the air guide ring 330. The connecting part 333 is disposed along a circumferential edge of the second end of the body, and the connecting part 333 is used for being fixedly connected with the water collector 500.
Specifically, the coupling part 333 has a bent groove 3331 protruding upward. The water collector 500 has a protrusion 510 protruding downward, the protrusion 510 abuts against the top end of the bent groove 3331, a third fastening member (not shown) is disposed in the bent groove 3331, the third fastening member may be a screw, a bolt, or the like, and the connection part 333 is fixedly connected to the protrusion 510 through the third fastening member.
The flow guide part 332 is an arc-shaped surface structure protruding outwards, and the flow guide part 332 is connected with the top end of the water pan 500 close to the side wall of the air guide ring 330 in a smooth transition manner. The whole junction that water conservancy diversion portion 332, water conservancy diversion portion 332 and water collector 500 top is streamlined structure, has reduced the air inlet windage. Meanwhile, the air guide ring 330 and the water pan 500 are of a split structure, so that the water pan 500 can be replaced conveniently, and the water pan is suitable for heat exchangers 400 with different heights. In other embodiments, the wind-guiding ring 330 may be integrally formed with the water-receiving tray 500.
Still pack between the downside of water collector 500 and the outer wall of wind-guiding circle 330 and have expanded material 700, not only can play the heat preservation effect, reduce calorific loss, can also play the effect that supports water collector 500 simultaneously.
A hook 800 is fixed to an outer side surface of the side plate 120, the hook 800 is used to hang the indoor unit on a ceiling, and the panel frame 210 may be fixedly connected to a lower end of the hook 800 by a screw, or the panel frame 210 may be fixedly connected to the side plate 120 by a screw.
Example two
Referring to fig. 7, in the present embodiment, the difference from the first embodiment is that the panel 220 and the panel frame 210 are detachably connected by the second fastener 900. The second fastening member 900 may be a bolt, a screw, etc., and the panel 220 may be removed after the second fastening member 900 is detached.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An indoor unit of an air conditioner, comprising:
the side wall of the outer shell is provided with an air return inlet;
the panel assembly comprises a panel frame body and a panel, the panel frame body is fixed at the lower end of the outer shell, an air outlet is formed in the panel, and the panel is detachably connected with the panel frame body;
the fan assembly comprises a fan motor, an oblique flow fan and an air guide ring; the fan motor is fixed at the top of the inner part of the outer shell; the oblique flow fan is connected with the fan motor, and the rotation axis of the oblique flow fan is vertically arranged; the air guide ring is fixed in the outer shell and sleeved outside the diagonal flow fan around the diagonal flow fan; the vertical projection of the diagonal flow fan is positioned in the panel;
the water receiving tray is fixed in the outer shell and is arranged on the outer side of the air guide ring in a surrounding manner;
and the heat exchanger is arranged on the upper side of the water receiving tray and is positioned on the inner side of the air return opening.
2. An indoor unit of an air conditioner according to claim 1, wherein the panel is detachably connected to the panel frame by a switch structure.
3. An indoor unit of an air conditioner as claimed in claim 2, wherein a first mounting hole is formed in the top or bottom surface of the panel frame in a vertical arrangement, a second mounting hole is formed in the side wall of the panel frame in butt joint with the panel, and the second mounting hole is communicated with the first mounting hole; seted up on the panel lateral wall with the relative draw-in groove of second mounting hole, switch structure includes:
the first key switch is arranged in the first mounting hole in a sliding mode, and a first inclined plane is arranged at the end part, located in the first mounting hole, of the first key switch;
the fixing pin is arranged in the second mounting hole in a sliding mode, a second inclined plane matched with the first inclined plane is arranged at the end part, located in the second mounting hole, of the fixing pin, and the fixing pin extends out of the second mounting hole and is inserted into the clamping groove through matching of the first inclined plane and the second inclined plane when the first key switch is pressed to move;
the first elastic piece is used for resetting and retracting the fixing pin into the second mounting hole;
the limit switch is arranged at the inner end of the first mounting hole and used for limiting the fixed pin to retract into the second mounting hole;
and the second key switch is arranged in the first mounting hole in a sliding manner and is used for removing the limiting effect of the limit switch.
4. An indoor unit of an air conditioner as claimed in claim 3, wherein the second push switch is slidably disposed in the first push switch, and the limit switch is a laterally disposed elastic clip disposed at an upper side of the fixing pin; when the fixing pin is inserted into the clamping groove, the end part of the elastic buckle is abutted against the end part of the fixing pin to limit the reset of the fixing pin; when the second key switch is pressed to move, the elastic buckle is extruded to enable the elastic buckle to deform upwards, the end part of the elastic buckle is separated from the end part of the fixing pin, and the limiting effect of the limit switch is relieved.
5. An indoor unit of an air conditioner according to claim 1, wherein the panel is detachably connected to the panel frame by a second fastener.
6. An indoor unit of an air conditioner according to any one of claims 1 to 5, wherein the diagonal flow fan includes a hub and blades provided on the hub; the hub is a circular truncated cone, the diameter size of the hub is gradually reduced from bottom to top, a cavity with an opening at the bottom end is formed in the hub, a first fastening piece is arranged in the cavity, and the top end of the hub is detachably connected with a motor shaft of the fan motor through the first fastening piece.
7. An indoor unit of an air conditioner according to claim 6, wherein the air guide ring includes:
a cylindrical body having opposing first and second ends, the first end being located above the second end;
a flow guide part arranged along the circumferential edge of the first end of the body;
the connecting part is arranged along the circumferential edge of the second end of the body and is used for being fixedly connected with the water pan.
8. An indoor unit of an air conditioner according to claim 7, wherein the connecting portion has a bent groove protruding upward; the water receiving tray is provided with a protruding portion protruding downwards, the protruding portion is abutted to the top end of the bending groove, a third fastening piece is arranged in the bending groove, and the connecting portion is fixedly connected with the protruding portion through the third fastening piece.
9. An indoor unit of an air conditioner according to claim 8, wherein a foaming material is filled between a lower side of the water pan and an outer wall of the air guide ring.
10. An indoor unit of an air conditioner as claimed in claim 7, wherein the flow guide part is an arc-shaped surface structure protruding outwards, and the flow guide part is connected with the top end of the water pan close to the side wall of the air guide ring in a smooth transition mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021911025.4U CN213208022U (en) | 2020-09-03 | 2020-09-03 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021911025.4U CN213208022U (en) | 2020-09-03 | 2020-09-03 | Indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213208022U true CN213208022U (en) | 2021-05-14 |
Family
ID=75844413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021911025.4U Active CN213208022U (en) | 2020-09-03 | 2020-09-03 | Indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213208022U (en) |
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2020
- 2020-09-03 CN CN202021911025.4U patent/CN213208022U/en active Active
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