Dustproof air inlet grille, indoor unit and air conditioner

Abstract

The utility model provides a dustproof air inlet grille, an indoor unit and an air conditioner, relates to the technical field of air conditioners, and solves the technical problems that in the prior art, after a grille is opened, dust covering the surface of the grille can still fall into the air conditioner, so that heat exchange is poor, and air outlet is not clean. The dustproof air inlet grille, the indoor unit and the air conditioner comprise a plurality of folding blades which are plugged on an air inlet, and each folding blade comprises at least two blade bodies which can be connected in a folding mode; the driving assembly is connected with at least one blade body and used for driving the top faces, away from the air inlet, of the multiple folding blades to be close to each other to move to the folding state so as to open the air inlet. According to the dustproof air inlet grille, the indoor unit and the air conditioner, the air conditioner heat exchange effect and the air outlet cleanliness degree are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to a dustproof air inlet grille, an indoor unit and an air conditioner. Background Art

[0002] To prevent dust and other particles from entering the internal heat exchange system, which could lead to poor heat exchange and unclean airflow, wall-mounted air conditioners currently typically have an air inlet grille installed on the air inlet. This seals the air inlet when the unit is turned off. However, when the existing grille is closed, dust and other particles settle on its outer surface. However, when the unit is turned on, the grille tilts open, and dust covering its surface still falls into the unit, still causing poor heat exchange and unclean airflow. Utility Model Content

[0003] The present utility model aims to provide a dust-proof air inlet grille, indoor unit, and air conditioner to address the prior art technical problem that, even after the grille is opened, dust covering the grille's surface can still fall into the air conditioner, resulting in poor heat exchange and unclean air output. The various technical effects achieved by the preferred technical solution among the various technical solutions provided by the present utility model are detailed below.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] The dustproof air inlet grille provided by the utility model comprises:

[0006] A plurality of folding blades are sealed on the air inlet, wherein the folding blades include at least two blade bodies that are foldably connected;

[0007] The driving assembly is connected to at least one of the blade bodies and is used to drive the top surfaces of the folding blades away from the air inlet to move closer to each other to a folded state, so as to open the air inlet.

[0008] Furthermore, it also includes a frame body, which is configured to surround the air inlet, and the plurality of folding blades and the drive assembly are both arranged on the frame body.

[0009] Further, the driving assembly includes a driving motor, and the folding blade includes a first blade body and a second blade body;

[0010] Both ends of the first blade body are rotatably arranged on the frame body through a first rotating shaft;

[0011] Both ends of the second blade body are provided with connecting blocks, the first end of the connecting block is connected to the second blade body, the second end of the connecting block is rotatably provided on the frame body through a second rotating shaft, and the driving motor is connected to the second rotating shaft.

[0012] Furthermore, the connecting block is an obtuse triangle structure, a first side of the connecting block is connected to the second blade body, and a vertex of the connecting block away from the first side is connected to the frame body.

[0013] Furthermore, the driving assembly further includes a connecting rod, the connecting rod is connected between a plurality of connecting blocks, and the driving motor is connected to any one of the second rotating shafts.

[0014] Furthermore, a sliding groove is provided on the frame body, the free end of the first blade body is rotatably provided on the frame body, the free end of the second blade body is provided in the sliding groove, and the driving assembly is connected to the free end of the second blade body to drive the second blade body to slide in the sliding groove.

[0015] Furthermore, the folding blades are made of flexible material.

[0016] Furthermore, when the folding blades are in the folded state, the folding blades are arranged perpendicular to the air inlet; or, the folding blades are arranged at an angle of 30-45 degrees to the air inlet.

[0017] Furthermore, the frame body is provided with a plurality of auxiliary brackets, each auxiliary bracket including two sub-brackets, and a movable channel is provided between the two sub-brackets;

[0018] The folding blade includes two hinged blade bodies, which are mounted on two branch supports. The driving assembly is connected to the hinge shafts of the two blade bodies to drive the hinge shafts to move toward the inside of the air inlet, so that the two blade bodies can be lifted and moved along the moving channel to a folded state.

[0019] An indoor unit comprises the dust-proof air inlet grille as described above.

[0020] An air conditioner comprises the indoor unit described above.

[0021] The beneficial effects of the present invention are as follows: the dust-proof air inlet grille, indoor unit and air conditioner provided by the present invention include a driving assembly and a plurality of folding blades, and the plurality of folding blades are connected and sealed on the air inlet in sequence; the folding blades include at least two foldable blade bodies that are foldably connected, and the driving assembly is connected to at least one blade body to drive the top surfaces of the plurality of folding blades away from the air inlet to move closer to each other to a folded state to open the air inlet, so that the top surfaces of the plurality of folding blades away from the air inlet can be folded closer to each other, avoiding the problem that after the plurality of folding blades are opened, the dust above them will still fall into the air inlet, resulting in poor heat exchange and unclean air outlet, thereby improving the heat exchange effect and air outlet cleanliness of the air conditioner during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 This is a schematic structural diagram of the indoor unit embodiment 1 of the present invention when the folding blades are unfolded;

[0024] Figure 2 This is a schematic structural diagram of the indoor unit embodiment 1 of the present invention when the folding blades are folded;

[0025] Figure 3 This is a side view of the dustproof air inlet grille embodiment 1 of the present invention with the folding blades unfolded;

[0026] Figure 4 This is a side view of the dustproof air inlet grille embodiment 1 of the present invention when the folding blades are folded;

[0027] Figure 5 This is a three-dimensional diagram of the dustproof air inlet grille embodiment 1 of the present invention when the folding blades are folded;

[0028] Figure 6 This is a three-dimensional diagram of the dust-proof air inlet grille embodiment 1 of the present invention when the folding blades are unfolded;

[0029] Figure 7 This is a schematic structural diagram of the horizontal bracket of the dustproof air inlet grille embodiment 1 of the present invention;

[0030] Figure 8 This is a schematic structural diagram of Example 2 of the dustproof air inlet grille of the present invention when the folding blades are unfolded;

[0031] Figure 9This is a schematic structural diagram of the folding blades of Example 2 of the dust-proof air inlet grille of the present invention when folded.

[0032] In the picture:

[0033] 100. Frame body; 110. Horizontal bracket; 120. Folding blade; 130. First blade body; 140. Second blade body; 150. First rotating shaft; 160. Connecting block; 170. Second rotating shaft; 180. Connecting rod; 190. Drive motor; 200. Air inlet; 210. Third rotating shaft; 220. First through hole; 230. Second through hole; 240. Third through hole; 250. Sub-bracket. DETAILED DESCRIPTION

[0034] Please refer to the following attached Figures 1 to 9 And the text content understands the content of the present invention and the difference between the present invention and the prior art. The following is a further detailed description of the technical solution (including the preferred technical solution) of the present invention by means of the accompanying drawings and the enumeration of some optional embodiments of the present invention. It should be noted that: any technical feature and any technical solution in the present embodiment are one or more of a variety of optional technical features or optional technical solutions. In order to describe the need for brevity, it is impossible to exhaustively list all the alternative technical features and alternative technical solutions of the present invention in this document, nor is it convenient for the implementation of each technical feature to emphasize that it is one of the multiple optional implementations. Therefore, those skilled in the art should know that: any technical means provided by the present invention can be replaced or any two or more technical means or technical features provided by the present invention can be combined with each other to obtain a new technical solution. Any technical feature and any technical solution in this embodiment do not limit the scope of protection of the present invention. The scope of protection of the present invention should include any alternative technical solutions that can be thought of by those skilled in the art without paying creative work and new technical solutions obtained by those skilled in the art by combining any two or more technical means or technical features provided by the present invention.

[0035] In the description of the present invention, it should be noted that, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0036] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention depending on the specific circumstances.

[0037] The utility model provides a dust-proof air inlet grille, an indoor unit and an air conditioner which improve the heat exchange effect of an air conditioner and the cleanliness of air outlet.

[0038] The following combination Figures 1 to 9 The technical solution provided by the utility model is described in more detail.

[0039] The utility model provides a dust-proof air inlet grille, comprising:

[0040] A plurality of folding blades 120 are sealed on the air inlet 200, wherein the folding blades 120 include at least two blade bodies that are foldably connected;

[0041] The driving assembly is connected to at least one of the blade bodies and is used to drive the top surfaces of the folding blades 120 away from the air inlet 200 to move closer to each other to a folded state, so as to open the air inlet 200 .

[0042] The dust-proof air inlet grille provided by the present invention includes a driving assembly and a plurality of folding blades 120, and the plurality of folding blades 120 are connected and sealed on the air inlet 200 in sequence; the folding blades 120 include at least two foldably connected blade bodies, and the driving assembly is connected to at least one blade body to drive the top surfaces of the plurality of folding blades 120 away from the air inlet 200 to move closer to each other to a folded state to open the air inlet 200, so that the top surfaces of the plurality of folding blades 120 away from the air inlet 200 can be folded closer to each other, avoiding the problem that after the plurality of folding blades 120 are opened, the dust above them will still fall into the air inlet 200, resulting in poor heat exchange and unclean air outlet, thereby improving the heat exchange effect and air outlet cleanliness of the air conditioner during long-term use.

[0043] It should be noted that the folding blade 120 includes at least two blade bodies, and the at least two blade bodies are foldably connected, which means that the folding blade 120 may include two blade bodies, three blade bodies or multiple blade bodies, and the at least two blade bodies are foldably connected.

[0044] Preferably, the folding blade 120 includes 2N blade bodies, and every two blade bodies are arranged in a V-shaped structure, so as to ensure that after any two connected blade bodies are folded, the top surfaces of the two blade bodies are close to each other, preventing dust from entering the air inlet 200.

[0045] It can be understood that when the folding blade 120 includes two blade bodies, the two blade bodies are in a V-shaped structure, and when the folding blade 120 includes four blade bodies, the four blade bodies are in a W-shaped structure.

[0046] The folding blades 120 are provided in a plurality, and the plurality of folding blades 120 are connected in sequence and can be blocked on the air inlet 200, so as to block the air inlet 200 when the plurality of folding blades 120 are unfolded, and the air inlet 200 is opened when the plurality of folding blades 120 are folded, and when the plurality of folding blades 120 are folded, the top surfaces of the plurality of folding blades 120 away from the air inlet 200 are folded close to each other.

[0047] Specifically, the folding blades 120 can be provided in one group, two groups, three groups or multiple groups, which can be determined according to the size and shape of the air inlet 200.

[0048] It can be understood that the several folding blades 120 and drive components provided by the utility model can be directly installed on the air inlet 200 of the indoor unit to ensure that dust on the top of the folding blades 120 will not fall into the interior of the indoor unit, causing evaporator blockage, poor heat exchange effect and unclean air outlet.

[0049] In some embodiments of the present invention, a frame body 100 is further included. The frame body 100 is configured to surround the air inlet 200 , and the plurality of folding blades 120 and the driving assembly are both disposed on the frame body 100 .

[0050] In some of the above-mentioned embodiments of the present invention, a frame body 100 is also included. The frame body 100 is configured to surround the air inlet 200 and cooperate with the air inlet 200. Several of the folding blades 120 and the drive assembly are arranged on the frame body 100, so that the installation can be completed by directly installing the frame body 100 to the air inlet 200. Since the folding blades 120 and the drive assembly constitute an integrated dust-proof air inlet grille with the frame body 100, the structure can be made more compact and the assembly can be simpler.

[0051] It should be noted that, since the air inlet 200 of the air conditioner indoor unit is usually a rectangular structure, a square structure, etc., the frame body 100 is preferably a rectangular structure and a square structure. In some other embodiments, adjustments can also be made according to the actual shape of the air inlet 200. For example, in a circular structure, the folding blades 120 can be semicircular to close the air inlet 200.

[0052] In some embodiments of the present invention, the driving assembly includes a driving motor and a plurality of connecting blocks 160 , and the folding blade 120 includes a first blade body 130 and a second blade body 140 ;

[0053] The first blade body 130 is rotatably mounted on the frame body 100 via a first rotation shaft 150 ;

[0054] There are several connecting blocks 160 corresponding to the second blade body 140. The first end of the connecting block 160 is connected to the second blade body 140. The second end of the connecting block 160 is rotatably set on the frame body 100 through the second rotating shaft 170. The driving motor is connected to the second rotating shaft 170.

[0055] In some of the above-mentioned embodiments of the present invention, the driving assembly includes a driving motor and a connecting block 160. The driving motor drives the second blade body 140 to rotate around the second rotating axis 170 through the connecting block 160, so that the second blade body 140 and the top surface of the first blade body 130 away from the air inlet 200 move closer to each other, thereby preventing dust from above from falling into the air inlet 200.

[0056] It should be noted that the driving components can be set in several groups, and the several groups of driving components are respectively set corresponding to the several folding blades 120, and the several groups of driving components respectively drive the several folding blades 120 to fold, thereby realizing that the several folding blades 120 open the air inlet 200 or close the air inlet 200.

[0057] In some embodiments of the present invention, the connecting block 160 is an obtuse triangle structure, the first side of the connecting block 160 is connected to the second blade body 140, and the vertex of the connecting block 160 away from the first side is connected to the frame body 100.

[0058] In some of the above-mentioned embodiments of the present invention, the connecting block 160 is an obtuse triangle structure, and the top angle of the connecting block 160 is connected to the frame body 100 through the second rotating shaft 170. The driving motor drives the second rotating shaft 170 to rotate, thereby driving the second blade body 140 to rotate, so that the second blade body 140 approaches the first blade body 130, completing the folding of the first blade body 130 and the second blade body 140.

[0059] It should be noted that the connecting block 160 may also adopt a frame structure design to effectively reduce the weight of the connecting block 160 .

[0060] In some embodiments of the present invention, the driving assembly further includes a connecting rod 180 , wherein the connecting rod 180 is connected between a plurality of connecting blocks 160 , and the driving motor is connected to any one of the second rotating shafts 170 .

[0061] In some of the above-mentioned embodiments of the present invention, the connecting rod 180 is connected between several connecting blocks 160, and the driving motor is connected to any of the second rotating shafts 170, so that the several connecting blocks 160 can rotate synchronously under the drive of the driving motor, thereby completing the synchronous folding and synchronous unfolding of several folding blades 120.

[0062] Specifically, a third rotating shaft 210 is provided on several connecting blocks 160, and several third through holes 240 are provided on the connecting rod 180. Several third through holes 240 cooperate with the third rotating shaft 210 on several connecting blocks 160, and under the action of the connecting rod 180, several connecting blocks 160 rotate synchronously.

[0063] In some embodiments of the present invention, a sliding groove is provided on the frame body 100, the free end of the first blade body 130 is rotatably provided on the frame body 100, the free end of the second blade body 140 is provided in the sliding groove, and the driving assembly is connected to the free end of the second blade body 140 to drive the second blade body 140 to slide in the sliding groove.

[0064] In some of the above-mentioned embodiments of the present invention, a sliding groove is set on the frame body 100, the free end of the first blade body 130 is rotatably set on the frame body 100, and the free end of the second blade body 140 is set in the sliding groove. The driving component drives the free end of the second blade body 140 to slide along the sliding groove, so that the second blade body 140 is folded with the first blade body 130.

[0065] Specifically, the free end of the first blade body 130 is rotatably connected to the frame body 100 via a rotating rod, and the free end of the second blade body 140 is slidably arranged in the sliding groove via a sliding rod. The driving assembly is a gear rack assembly or a motor screw assembly.

[0066] Alternatively, the free end of the first blade body 130 and the free end of the second blade body 140 are both arranged in the sliding groove, and the second blade body 140 and the first blade body 130 are folded by driving the connecting shaft between the second blade body 140 and the first blade body 130 to move.

[0067] In some embodiments of the present invention, the folding blade 120 is made of a flexible material.

[0068] In some of the above embodiments of the present invention, the folding blades 120 are made of a flexible material with good flexibility, easy to fold and unfold, easy to control mechanically, and long service life. Specifically, they can be made of canvas, stretch fabric, or plastic.

[0069] In some embodiments of the present invention, when the folding blades 120 are in the folded state, the folding blades 120 are perpendicular or inclined to the air inlet 200 .

[0070] Specifically, when the folding blades are in the folded state, the folding blades 120 are inclined at 30-60 degrees to the air inlet 200 .

[0071] In some of the above embodiments of the present invention, the driving component drives the folding blades 120 to fold to a vertical or inclined state, thereby ensuring the air intake of the air inlet 200 and ensuring the normal operation of the indoor unit.

[0072] The utility model also provides an indoor unit, comprising the dust-proof air inlet grille as described above.

[0073] The utility model also provides an air conditioner, comprising the indoor unit as described above.

[0074] Embodiment 1:

[0075] The dustproof air inlet grille provided by the utility model is as follows Figure 1-Figure 7 As shown, including:

[0076] The frame body 100 includes two oppositely disposed transverse supports 110 and two longitudinal supports (not shown in the figure);

[0077] Seven folding blades 120 are disposed between the two transverse supports 110 and are used to close the opening of the frame body 100 when the seven folding blades 120 are unfolded, or to open the opening of the frame body 100 when the seven folding blades 120 are folded;

[0078] Specifically, the folding blade 120 includes a first blade body 130 and a second blade body 140 that are foldably connected;

[0079] The two ends of the first blade body 130 are rotatably disposed between the two transverse brackets 110 via the first rotation shaft 150 ;

[0080] Both ends of the second blade body 140 are provided with a connecting block 160 of an obtuse triangle structure. The first side of the connecting block 160 is connected to the second blade body 140. The vertex of the connecting block 160 away from the first side is rotatably arranged between the two transverse brackets 110 via a second rotating shaft 170.

[0081] a connecting rod 180 , wherein the connecting rod 180 is connected between the seven connecting blocks 160 ;

[0082] The driving motor is connected to the second rotating shaft 170 and is used to drive the top surfaces of the seven folding blades 120 away from the air inlet 200 to move synchronously toward each other to a folded state, so as to open the air inlet 200 .

[0083] Specifically, two first through holes 220 and two second through holes 230 are provided in the two transverse brackets 110 , and the first rotating shafts 150 at both ends of the first blade body 130 are adapted to the first through holes 220 ; the second rotating shaft 170 is adapted to the two second through holes 230 .

[0084] A third rotating shaft 210 is provided on the connecting block 160, and seven third through holes 240 are provided on the connecting rod 180. The seven third through holes 240 cooperate with the third rotating shafts 210 on several of the connecting blocks 160. Under the action of the connecting rod 180, the seven connecting blocks 160 rotate synchronously.

[0085] The indoor unit provided by the present invention includes an air inlet 200 . The frame body 100 is configured to surround the air inlet 200 , and the frame body 100 is adapted to the air inlet 200 .

[0086] The air conditioner provided by the utility model includes the indoor unit as described above.

[0087] Example 2:

[0088] The difference between this embodiment 2 and embodiment 1 is that: Figure 8-Figure 9 As shown, seven groups of auxiliary brackets are arranged between the two transverse brackets 110, each group of auxiliary brackets includes two sub-brackets 250, and a moving channel is provided between the two sub-brackets 250. The first blade body 130 and the second blade body 140 are unfolded and placed on the two sub-brackets 250. The driving assembly is connected to the hinge shaft of the first blade body 130 and the second blade body 140 to drive the hinge shaft to move below the air inlet 200, so that the upper surfaces of the first blade body 130 and the second blade body 140 move closer to each other until they are in a folded state.

[0089] Likewise, the drive assembly can achieve synchronous movement via the connecting rod 180 .

[0090] Specifically, the driving component is a reciprocating component, such as a gear rack drive, a motor screw drive, or a guide rail slider drive.

[0091] Throughout this specification, references to terms such as "example," "embodiment," or "some embodiments" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0092] Of course, the invention is not limited to the above-mentioned embodiments. Those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A dustproof air inlet grille, characterized in that: include: A plurality of folding blades are sealed on the air inlet, wherein the folding blades include at least two blade bodies that are foldably connected; The driving assembly is connected to at least one of the blade bodies and is used to drive the top surfaces of the folding blades away from the air inlet to move closer to each other to a folded state, so as to open the air inlet.

2. The dustproof air inlet grille according to claim 1, characterized in that: It also includes a frame body, which is configured to surround the air inlet, and the plurality of folding blades and the driving assembly are both arranged on the frame body.

3. The dustproof air inlet grille according to claim 2, characterized in that: The driving assembly includes a driving motor, and the folding blade includes a first blade body and a second blade body; Both ends of the first blade body are rotatably arranged on the frame body through a first rotating shaft; Both ends of the second blade body are provided with connecting blocks, the first end of the connecting block is connected to the second blade body, the second end of the connecting block is rotatably provided on the frame body through a second rotating shaft, and the driving motor is connected to the second rotating shaft.

4. The dustproof air inlet grille according to claim 3, characterized in that: The connecting block is an obtuse triangle structure, a first side of the connecting block is connected to the second blade body, and a vertex of the connecting block away from the first side is connected to the frame body.

5. The dustproof air inlet grille according to claim 3, characterized in that: The driving assembly further includes a connecting rod connected between a plurality of connecting blocks, and the driving motor is connected to any one of the second rotating shafts.

6. The dustproof air inlet grille according to claim 3, characterized in that: A sliding groove is provided on the frame body, the free end of the first blade body is rotatably provided on the frame body, the free end of the second blade body is provided in the sliding groove, and the driving component is connected to the free end of the second blade body to drive the second blade body to slide in the sliding groove.

7. The dustproof air inlet grille according to claim 1, characterized in that: The folding blades are made of flexible material.

8. The dustproof air inlet grille according to claim 1, characterized in that: When the folding blades are in the folded state, the folding blades are arranged perpendicular to the air inlet; or, the folding blades are arranged at an angle of 30-45 degrees to the air inlet.

9. The dustproof air inlet grille according to claim 2, characterized in that: The frame body is provided with a plurality of auxiliary brackets, each of which includes two sub-brackets, and a movable channel is provided between the two sub-brackets; The folding blade includes two hinged blade bodies, which are mounted on two branch supports. The driving assembly is connected to the hinge shafts of the two blade bodies to drive the hinge shafts to move toward the inside of the air inlet, so that the two blade bodies can be lifted and moved along the moving channel to a folded state.

10. An indoor unit, characterized in that: It comprises the dust-proof air inlet grille as described in any one of claims 1 to 9.

11. An air conditioner, characterized in that: It includes the indoor unit according to claim 10.

Images