CN217929200U - Automatic opening and closing mechanism for panel and air conditioner - Google Patents
Automatic opening and closing mechanism for panel and air conditioner Download PDFInfo
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- CN217929200U CN217929200U CN202222256491.9U CN202222256491U CN217929200U CN 217929200 U CN217929200 U CN 217929200U CN 202222256491 U CN202222256491 U CN 202222256491U CN 217929200 U CN217929200 U CN 217929200U
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Abstract
The utility model relates to a refrigeration engineering technical field especially relates to automatic closing mechanism of panel and air conditioner. The utility model comprises a panel, a support frame, a transmission device, a shell, a control system and the like, wherein a rotating leg is arranged under the panel, a first sliding block and a second sliding block are arranged on the rotating leg, a first guide chute and a second guide chute are arranged on the support frame, the first sliding block is positioned in the first guide chute, and the second sliding block is positioned in the second guide chute; the transmission device is rotationally connected with the second sliding block, the transmission device drives the second sliding block to slide along the first guide sliding groove, and further drives the first sliding block to slide along the second guide sliding groove, and the up-and-down lifting of the panel is realized in the up-and-down sliding of the first sliding block and the second sliding block; when the second sliding block rotates around the first sliding block, the opening and closing of the panel are realized. The utility model discloses simple structure, through the combination of mechanical structure and motor drive and control system control, has realized the automatic switching of panel.
Description
Technical Field
The utility model relates to a refrigeration engineering technical field especially relates to automatic closing mechanism of panel and air conditioner.
Background
The air inlet filter screen of the air conditioner plays an important role in filtering dust and purifying air in the air conditioner. When the air conditioner is used for a long time, the filter screen needs to be taken out of the air conditioner for cleaning, otherwise a large amount of bacteria can be bred, and the body health of a user is affected. In prior art, in order to facilitate smooth taking out of the filter screen, under the ordinary condition, the upper end of the air conditioner panel is hinged with the upper end face of the air conditioner, and the lower end of the air conditioner panel is fixedly connected with the lower end of the air conditioner through a buckle. Due to the fixing mode, when the filter screen is detached and cleaned, a user is required to climb to a high place to open the panel, and the danger of falling from the high place is brought to the user in the process; for many users, the installation height of the air conditioner greatly limits the convenience of opening the panel, and affects the use experience of the users.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides an automatic closing mechanism of panel and air conditioner, this automatic closing mechanism of panel simple structure, control panel's that can be convenient switching.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an automatic panel opening and closing mechanism, which comprises a panel, a support frame, a transmission device, a shell and a control system; the upper part of the shell is of an open structure, and the panel is positioned on the upper part of the shell; the left end and the right end of the rear side of the lower surface of the panel are respectively and fixedly provided with a rotating leg, and a first sliding block and a second sliding block are fixedly arranged on the rotating legs; a support frame is arranged on one side of the first sliding block and one side of the second sliding block and is fixedly connected with the shell; the support frame is provided with a first guide chute and a second guide chute; the second guide sliding groove comprises a circular arc sliding groove and a straight sliding groove, the circular arc sliding groove is positioned on the front side of the straight sliding groove, and an opening of the circular arc sliding groove faces upwards and is communicated with the upper end of the straight sliding groove; the first guide chute is positioned above the straight chute, and the straight chute and the first guide chute are vertical chutes; the first sliding block is positioned in the first guide sliding groove, and the second sliding block is positioned in the second guide sliding groove;
the transmission device is arranged on the support frame on the opposite side of the rotating leg and comprises a first connecting rod, a second connecting rod and a motor, and the motor is electrically connected with the control system and fixedly connected with the support plate; one end of the first connecting rod is rotatably connected with the second sliding block, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod, and the other end of the second connecting rod is fixedly connected with an output shaft of the motor; the motor drives the second connecting rod to rotate, the second connecting rod drives the first connecting rod to move, and the first connecting rod drives the second sliding block to move;
the panel is driven by the motor to have a first state, a second state and a third state;
the first state is: the first sliding block is positioned at the lower end of the first guide sliding groove, and the panel and the upper end surface of the shell are closed;
the second state is: the second sliding block is positioned in the straight sliding groove and slides downwards or upwards along the straight sliding groove, the first sliding block is positioned in the first sliding guide groove and synchronously slides downwards or upwards along the first sliding guide groove, the panel synchronously moves upwards or downwards, and the panel and the upper end surface of the shell are not closed;
the third state is: the first sliding block is positioned at the upper end of the first sliding guide groove, and the second sliding block is positioned in the arc-shaped sliding groove and rotates around the first sliding block; the path of the arc-shaped sliding groove is matched with the path of the second sliding block rotating around the first sliding block; the panel rotates synchronously along with the rotation of the second sliding block, and the panel and the upper end face of the shell are not closed.
Further, the method comprises the following steps: the upper end of the straight chute is communicated with the lower end of the first guide chute.
Further, the method comprises the following steps: the first sliding block is cylindrical, and the width of the first sliding guide groove is the same as the diameter of the first sliding block; the second sliding block is cylindrical, and the width of the second sliding guide groove is the same as the diameter of the second sliding block; the two ends of the first guide sliding chute are semicircular, and the diameter of the two ends of the first guide sliding chute is consistent with the width of the first guide sliding chute; the two ends of the second guide sliding groove are also semicircular, and the diameters of the two ends of the second guide sliding groove are consistent with the width of the second guide sliding groove.
Further, the method comprises the following steps: one side of the second connecting rod, which is close to the support frame, is provided with a sliding guide bulge, the support frame is provided with a sliding guide groove matched with the movement path of the sliding guide bulge, and the sliding guide bulge is positioned in the sliding guide groove of the second connecting rod.
Further, the method comprises the following steps: a reinforcing rod is arranged between the rotating legs, and two ends of the reinforcing rod are respectively fixedly connected with the rotating legs.
Further, the method comprises the following steps: the utility model also provides an air conditioner, which comprises an air conditioner air inlet filter screen and the automatic panel switching mechanism; the air conditioner air inlet filter screen is arranged in the shell and is fixedly connected with the inner side wall of the shell; the upper end face of the shell is also provided with a flange, the panel is positioned above the air inlet filter screen of the air conditioner, and when the panel is closed with the shell, the panel is positioned on the inner side of the flange.
The utility model has the advantages that: the utility model comprises a panel, a support frame, a transmission device, a shell, a control system and the like, wherein a rotating leg is arranged under the panel, a first sliding block and a second sliding block are arranged on the rotating leg, a first guide chute and a second guide chute are arranged on the support frame, the first sliding block is positioned in the first guide chute, and the second sliding block is positioned in the second guide chute; the transmission device is rotationally connected with the second sliding block, the transmission device drives the second sliding block to slide along the second guide sliding groove, and further drives the first sliding block to slide along the first guide sliding groove, and the up-and-down lifting of the panel is realized in the up-and-down sliding of the first sliding block and the second sliding block; when the second sliding block rotates around the first sliding block, the panel is opened and closed in a rotating mode. The control system is used for controlling the rotation of the motor and further controlling the opening and closing of the panel. The utility model discloses simple structure, through the combination of mechanical structure, motor drive and control system control, has realized the automatic switching of panel. The utility model discloses automatic closing mechanism of panel can use on different devices, for example the switching of cabinet door, the switching of window to and the switching at gate etc. have fine compatibility. The utility model provides an air conditioner simultaneously, adopted the automatic closing mechanism of panel on its air conditioner, can convenient to use person open the panel and dismantle the inside air inlet filter screen of air conditioner, can bring good use for the user and experience.
Drawings
FIG. 1 is an exploded view of a panel and housing;
FIG. 2 is a schematic view of the panel closed on the upper end of the housing;
FIG. 3 is a schematic view of a panel construction;
FIG. 4 is a schematic view of a first state of the panel;
FIG. 5 is a schematic view of a second state of the panel;
FIG. 6 is a schematic view of a third state of the panel;
FIG. 7 is a schematic view of a glide groove and a glide projection.
Labeled as: 1-panel, 2-support frame, 21-first guide chute, 22-second guide chute, 221-arc chute, 222-straight chute, 23-guide chute, 3-transmission device, 31-first connecting rod, 32-second connecting rod, 321-guide chute protrusion, 33-motor, 4-rotating leg, 41-first sliding block, 42-first sliding block, 5-reinforcing rod, 6-air conditioner air inlet filter screen, 7-shell, 8-flange.
Detailed Description
The following detailed description of the present invention will be provided in order to further understand the concept of the present invention, the technical problems, the technical features constituting the technical solutions, and the technical effects brought by the technical features of the present invention, which are described in the following with reference to the accompanying drawings. However, the description of the embodiments is illustrative and not intended to limit the present invention.
In traditional scheme, air conditioner panel and air conditioner casing are the mode that one end is articulated the other end usually and passes through buckle fixed connection, and such design is not convenient for the user to open the panel, and the user if want to open the panel, need be with self bed hedgehopping with the help of tools such as stools, stair, and this process has brought the danger that the eminence falls for the user. The traditional scheme is not convenient for realizing furniture intellectualization, and with the development of society and the increasing improvement of living standard of people, people increasingly pursue intellectualization and automation, such as automatic curtains, automatic doors and windows and the like. The utility model provides a panel automatic opening and closing mechanism for solving the above problems, and the panel 1 and the shell 7 are a general concept, the panel 1 of the panel automatic opening and closing mechanism of the utility model can be a cabinet door, a window, etc. the panel can be a door or a window, and the shell can be a door or a window; casing 7 can be door frame, window frame, the cabinet body etc. consequently the utility model discloses the automatic closing mechanism of panel can be used in fields such as window, gate to realize the automatic switching of window, the automatic switching of gate etc..
As shown in fig. 1, the automatic opening and closing mechanism for a panel of the present invention comprises a panel 1, a supporting frame 2, a transmission device 3, a housing 7 and a control system; the upper part of the shell 7 is of an open structure, and the panel 1 is positioned on the upper part of the shell 7; the panel 1 is provided for the purpose of closing or opening the housing 7. The left end and the right end of the rear side of the lower surface of the panel 1 are respectively and fixedly provided with a rotating leg 4, and a first sliding block 41 and a second sliding block 42 are fixedly arranged on the rotating legs 4; one side of the first sliding block 41 and one side of the second sliding block 42 are provided with two support frames 2, one side of each of the two rotating legs 4 is provided with one support frame 2, and the support frames 2 are fixedly connected with the shell 7; the support frame 2 is provided with a first guide chute 21 and a second guide chute 22; the second guiding chute 22 comprises a circular arc chute 221 and a straight chute 222, wherein the circular arc chute 221 is located at the front side of the straight chute 222, and an opening of the circular arc chute 221 faces upwards and is communicated with the upper end of the straight chute 222, as shown in fig. 4; the first guide chute 21 is located above the straight chute 222, and both the straight chute 222 and the first guide chute 21 are vertical chutes; the first slide block 41 is located in the first guide groove 21, and the second slide block 42 is located in the second guide groove 22.
The transmission device 3 is arranged on the support frame 2 on the opposite side of the rotating leg 4, the transmission device 3 comprises a first connecting rod 31, a second connecting rod 32 and a motor 33, and the motor 33 is electrically connected with the control system and fixedly connected with the support plate 2; one end of the first connecting rod 31 is rotatably connected with the second sliding block 42, the other end is rotatably connected with one end of the second connecting rod 32, and the other end of the second connecting rod 32 is fixedly connected with an output shaft of the motor 33; the motor 33 drives the second link 32 to rotate, the second link 32 drives the first link 31 to move, and the first link 31 drives the rotation leg 4 to move.
The panel 1 has a first state, a second state and a third state under the driving of the motor 33.
The first state is: the first sliding block 41 is located at the lower end of the first sliding guide slot 21, and the panel 1 and the upper end face of the shell 7 are closed, as shown in fig. 4;
the second state is: the second sliding block 42 is located in the straight sliding groove 222 and slides downward or upward along the straight sliding groove 222, the first sliding block 41 is located in the first sliding groove 21 and slides downward or upward along the first sliding groove 21 synchronously, the panel 1 moves upward or downward synchronously, and the upper end surfaces of the panel 1 and the housing 7 are not closed, as shown in fig. 5;
the third state is: the first sliding block 41 is positioned at the upper end of the first sliding guide groove 21, and the second sliding block 42 is positioned in the circular arc sliding groove 221 and rotates around the first sliding block 41; the path of the circular arc chute 221 is matched with the path of the second sliding block 42 rotating around the first sliding block 41; the panel 1 rotates synchronously with the rotation of the second sliding block 42, and the panel 1 and the upper end face of the shell 7 are not closed, as shown in fig. 6.
It should be understood by those skilled in the art that, as shown in fig. 4, the first sliding block 41 slides only in the first guide-slide groove 21, and the second sliding block 42 can slide in the circular arc-shaped slide groove 221 and the straight slide groove 222; when the second sliding block 42 slides upwards in the straight sliding slot 222, the first sliding block 41 will synchronously slide upwards in the first sliding slot 21, at this time, the panel 1 rises to be separated from the state of closing the upper end surface of the housing 7, and the panel is in the open state, i.e. the second state; when the first sliding block 41 slides to the upper end of the first sliding guide slot 21, the first sliding block 41 cannot continuously slide upwards due to the limitation of the first sliding guide slot 21, and at this time, the motor 33 still drives the first connecting rod 31 and the second connecting rod 32 to rotate, at this time, the first connecting rod 31 drives the second sliding block 42 to slide in the circular arc-shaped sliding slot 221, at this time, the panel 1 is driven by the second sliding block 42 to synchronously rotate, so that the rotation of the panel 1 is realized, and the panel 1 is further opened, namely, in a third state.
From the above, it will be appreciated by those skilled in the art that: the matching of the path of the circular arc chute 221 and the path of the second sliding block 42 rotating around the first sliding block 41 means that the center of the circular arc chute 221 is consistent with the rotating center of the first sliding block 41 positioned at the upper end of the first guide chute 21; the circular arc-shaped slide groove 221 has the same shape as the path of rotation of the second slide block 42 at this time. The arc chute 221 is located at the front side of the straight chute 222, and an opening of the arc chute is upward and communicated with the upper end of the straight chute 222, as shown in fig. 4, only by the design, the panel 1 can rotate towards the direction away from the upper end face of the housing 7, and further opening of the panel 1 is realized. The arc angle of the arc chute 221 determines the maximum opening angle of the panel 1, the utility model discloses in not inject, the user can set up different arc angles according to the use mode of difference. It will be understood by those skilled in the art that the motor 33 should also be electrically connected to a power supply to effect powering of the motor 33; the motor 33 is electrically connected to the control system to enable the control system to control the rotation of the motor 33. The motor 33 is the preferred step motor in the utility model discloses in the output shaft of motor 33 is not 360 degrees rotations, but only reciprocating rotation in certain extent.
It should be understood by those skilled in the art that the second state and the third state of the automatic opening and closing mechanism of the panel of the present invention belong to the opening state of the panel, and the two states have different effects. For example, the automatic opening and closing mechanism of the panel is used in the window field, the panel 1 is a glass window, and the shell 7 is a window frame; when the glass window is in the second state, the opening angle of the window is smaller, the air intake is small, and ventilation with smaller air volume can be realized; when the glass window is in the second state, the opening angle of the window is large, and ventilation with large air volume can be realized.
Further, in the embodiment of the present invention, it is preferable that the upper end of the straight sliding groove 222 is communicated with the lower end of the first sliding guide groove 21, so that the processing flow of the supporting frame 2 can be reduced.
Further, the first sliding block 41 is cylindrical, the width of the first sliding guide groove 21 is larger than the diameter of the first sliding block 41, and the first sliding guide groove 21 and the first sliding block 41 are in clearance fit; the second sliding block 42 is cylindrical, the width of the second sliding guide slot 22 is larger than the diameter of the second sliding block 42, and the second sliding guide slot 22 and the second sliding block 42 are in clearance fit; the two ends of the first sliding guide slot 21 are semicircular, and the diameters of the two ends of the first sliding guide slot 21 are consistent with the width of the first sliding guide slot 21; the two ends of the second sliding guide slot 22 are also semicircular, and the diameter of the two ends of the second sliding guide slot 22 is consistent with the width of the second sliding guide slot 22.
The width of the first guide sliding groove 21 is larger than the diameter of the first sliding block 41, and the first guide sliding groove 21 is in clearance fit with the first sliding block 41; the width of the second sliding guide slot 22 is larger than the diameter of the second sliding block 42, and the second sliding guide slot 22 is in clearance fit with the second sliding block 42; this arrangement allows the first slide block 41 to smoothly slide in the first slide groove 21 and the second slide block 42 to smoothly slide in the second slide groove 22. Arranging the second sliding block 42 to be cylindrical facilitates the rotational connection of the first link 31 with the second sliding block 42. When the first slide block 41 is located at the uppermost end of the first slide groove 21, the first slide block 41 rotates in the first slide groove 21, and the first slide block 41 is disposed in a cylindrical shape to facilitate the rotation of the first slide block 41.
Further, in order to ensure that the second link 32 rotates smoothly, as shown in fig. 7, a sliding guide protrusion 321 is disposed on one side of the second link 32 close to the supporting frame 2, a sliding guide groove 23 adapted to a movement path of the sliding guide protrusion 321 is disposed on the supporting frame 2, and the sliding guide protrusion 321 is disposed in the sliding guide groove 23 of the second link.
Furthermore, in order to increase the stability of the rotating legs 4, a reinforcing rod 5 is arranged between the rotating legs 4, and two ends of the reinforcing rod 5 are respectively fixedly connected with the rotating legs 4.
The utility model also provides an air conditioner, which comprises an air inlet filter screen 6 of the air conditioner and the automatic panel opening and closing mechanism; the air conditioner air inlet filter screen 6 is arranged in the shell 7 and is fixedly connected with the inner side wall of the shell 7; a flange 8 is further arranged on the upper end face of the shell 7, the panel 1 is located above the air conditioner air inlet filter screen 6, and when the panel 1 and the shell 7 are closed, the panel 1 is located on the inner side of the flange 8. The provision of the flange 8 enables the panel 1 to be closed without projecting outwardly, ensuring the aesthetic appearance of the product, as shown in figure 1. When a user needs to open the panel 1 to take out the air conditioner air inlet filter screen 6, the user can control the motor 33 to rotate through the control system, so that the panel 1 is driven to rotate to a third state, and the air conditioner air inlet filter screen 6 is taken down; the opening and closing of the panel 1 are more convenient, and the user experience is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. Automatic closing mechanism of panel, its characterized in that:
comprises a panel (1), a support frame (2), a transmission device (3), a shell (7) and a control system; the upper part of the shell (7) is of an open structure, and the panel (1) is positioned on the upper part of the shell (7); the left end and the right end of the rear side of the lower surface of the panel (1) are respectively and fixedly provided with a rotating leg (4), and a first sliding block (41) and a second sliding block (42) are fixedly arranged on the rotating legs (4); a support frame (2) is arranged on one side of the first sliding block (41) and one side of the second sliding block (42), and the support frame (2) is fixedly connected with the shell (7); a first guide chute (21) and a second guide chute (22) are arranged on the support frame (2); the second guide sliding groove (22) comprises a circular arc sliding groove (221) and a straight sliding groove (222), the circular arc sliding groove (221) is positioned on the front side of the straight sliding groove (222), and an opening of the circular arc sliding groove faces upwards and is communicated with the upper end of the straight sliding groove (222); the first guide sliding groove (21) is positioned above the straight sliding groove (222), and the straight sliding groove (222) and the first guide sliding groove (21) are both vertical sliding grooves; the first sliding block (41) is positioned in the first guide sliding groove (21), and the second sliding block (42) is positioned in the second guide sliding groove (22);
the transmission device (3) is arranged on the support frame (2) on the opposite side of the rotating leg (4), the transmission device (3) comprises a first connecting rod (31), a second connecting rod (32) and a motor (33), and the motor (33) is electrically connected with the control system and fixedly connected with the support frame (2); one end of the first connecting rod (31) is rotationally connected with the second sliding block (42), the other end of the first connecting rod is rotationally connected with one end of the second connecting rod (32), and the other end of the second connecting rod (32) is fixedly connected with an output shaft of the motor (33); the motor (33) drives the second connecting rod (32) to rotate, the second connecting rod (32) drives the first connecting rod (31) to move, and the first connecting rod (31) drives the second sliding block (42) to move;
the panel (1) is driven by the motor (33) to have a first state, a second state and a third state;
the first state is: the first sliding block (41) is positioned at the lower end of the first sliding guide groove (21), and the panel (1) and the upper end face of the shell (7) are closed;
the second state is: the second sliding block (42) is positioned in the straight sliding groove (222) and slides downwards or upwards along the straight sliding groove (222), the first sliding block (41) is positioned in the first sliding guide groove (21) and slides downwards or upwards synchronously along the first sliding guide groove (21), the panel (1) moves upwards or downwards synchronously, and the upper end surfaces of the panel (1) and the shell (7) are not closed;
the third state is: the first sliding block (41) is positioned at the upper end of the first sliding guide groove (21), and the second sliding block (42) is positioned in the circular arc sliding groove (221) and rotates around the first sliding block (41); the path of the circular arc chute (221) is matched with the path of the second sliding block (42) rotating around the first sliding block (41); the panel (1) rotates synchronously with the rotation of the second sliding block (42), and the upper end faces of the panel (1) and the shell (7) are not closed.
2. The automatic opening and closing mechanism for a panel according to claim 1, wherein: the upper end of the straight chute (222) is communicated with the lower end of the first guide chute (21).
3. The automatic opening and closing mechanism for a panel according to claim 1, wherein: the first sliding block (41) is cylindrical, the width of the first sliding guide groove (21) is larger than the diameter of the first sliding block (41), and the first sliding guide groove (21) is in clearance fit with the first sliding block (41); the second sliding block (42) is cylindrical, the width of the second sliding guide groove (22) is larger than the diameter of the second sliding block (42), and the second sliding guide groove (22) is in clearance fit with the second sliding block (42); the two ends of the first guide sliding groove (21) are semicircular, and the diameters of the two ends of the first guide sliding groove (21) are consistent with the width of the first guide sliding groove (21); the two ends of the second guide sliding groove (22) are also semicircular, and the diameters of the two ends of the second guide sliding groove (22) are consistent with the width of the second guide sliding groove (22).
4. The automatic opening and closing mechanism for a panel according to claim 1, wherein: one side of the second connecting rod (32) close to the support frame (2) is provided with a sliding guide protrusion (321), the support frame (2) is provided with a sliding guide groove (23) matched with the movement path of the sliding guide protrusion (321), and the sliding guide protrusion (321) is positioned in the sliding guide groove (23) of the second connecting rod.
5. The automatic opening and closing mechanism for a panel according to claim 1, wherein: a reinforcing rod (5) is arranged between the rotating legs (4), and two ends of the reinforcing rod (5) are respectively and fixedly connected with the rotating legs (4).
6. An air conditioner, characterized in that: comprises an air conditioner air inlet filter screen (6), and the air conditioner also comprises an automatic panel opening and closing mechanism of any one of claims 1 to 5; the air conditioner air inlet filter screen (6) is arranged in the shell (7) and is fixedly connected with the inner side wall of the shell (7); a flange (8) is further arranged on the upper end face of the shell (7), the panel (1) is located above the air inlet filter screen (6) of the air conditioner, and when the panel (1) and the shell (7) are closed, the panel (1) is located on the inner side of the flange (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222256491.9U CN217929200U (en) | 2022-08-26 | 2022-08-26 | Automatic opening and closing mechanism for panel and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222256491.9U CN217929200U (en) | 2022-08-26 | 2022-08-26 | Automatic opening and closing mechanism for panel and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217929200U true CN217929200U (en) | 2022-11-29 |
Family
ID=84170225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222256491.9U Active CN217929200U (en) | 2022-08-26 | 2022-08-26 | Automatic opening and closing mechanism for panel and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217929200U (en) |
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2022
- 2022-08-26 CN CN202222256491.9U patent/CN217929200U/en active Active
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