Filter screen assembly and air conditioner

Abstract

In order to solve the problem, the filter screen assembly comprises a first cover plate, a second cover plate and a filter screen, the first cover plate and the second cover plate are connected through a plurality of supporting columns, movable parts are arranged on the supporting columns, and the movable parts are connected with the first cover plate and the second cover plate. And the filter screen can be inserted between the first cover plate and the second cover plate and is clamped with the movable part. According to the air conditioner, the technical problem that in the prior art, a filter screen of an air conditioner is difficult to disassemble can be solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air conditioners, and in particular relates to a filter screen component and an air conditioner. Background Art

[0002] At present, the filter screen of the air duct unit is usually a one-way disassembly structure that can be pulled out left and right or through a buckle. The user needs to leave space in a specific direction during installation to meet the filter screen disassembly requirements, which makes the product very limited for user use and installation; and the currently commonly used buckle filter screen structure is difficult to install and disassemble. The user needs to find the buckle position and press it to remove the filter screen, which is inconvenient to operate; the filter screen of the conventional structure is usually split. When multiple filters are used, the filter screen in the middle part is usually difficult to disassemble, which is inconvenient for the user to operate.

[0003] Since the air conditioner in the prior art has technical problems such as difficulty in removing the filter, the utility model studies and designs a filter assembly and an air conditioner. Utility Model Content

[0004] Therefore, the utility model provides a filter assembly and an air conditioner, which can solve the technical problem of the difficulty in removing the filter in the air conditioner in the prior art.

[0005] In order to solve the above problems, the utility model provides a filter screen assembly, including: a first cover plate, a second cover plate and a filter screen, the first cover plate and the second cover plate are connected by multiple support columns, and movable parts are provided on the support columns. The filter screen can be inserted between the first cover plate and the second cover plate and clamped with the movable parts.

[0006] In some embodiments, there are four support columns, one support column is set at each of the four corners of the first cover plate, a plurality of first through holes are set on the first cover plate, the first through holes correspond one-to-one to the support columns, a second through hole is set on the movable part, the support column is at least partially located in the first through hole, and the support column passes through the second through hole.

[0007] In some embodiments, a first protrusion is provided at each of the four corners of the first cover plate, a second groove is provided at one end of the first protrusion facing the second cover plate, and the second groove runs through both sides of the first protrusion, a second protrusion is provided on the movable part, a fifth groove is provided at one end of the second protrusion facing the first cover plate, and the fifth groove runs through both sides of the second protrusion, and an elastic part is provided between the movable part and the first cover plate, one end of the elastic part is located in the second groove, and the other end is located in the fifth groove.

[0008] In some embodiments, a first groove is provided at each of the four corners of the first cover plate, the first groove passes through the side wall of the first cover plate, the first groove is located at one end of the first cover plate facing the second cover plate, the movable part is located in the first groove, and, along the direction from the first cover plate toward the second cover plate, the movable part at least partially extends out of the first groove.

[0009] In some embodiments, the cross-section of the movable part and the first groove is a quarter circle, the arc of the first groove is located on the first cover plate, and a fourth groove is provided on the arc side wall of the movable part. The fourth groove passes through the movable part along the direction from the first cover plate toward the second cover plate, and the bottom surface of the fourth groove is an arc shape. The movable part can rotate in the first groove.

[0010] In some embodiments, a mounting portion and a buckle are provided on the first cover plate, and the mounting portion and the buckle are located at an end of the first cover plate facing away from the second cover plate.

[0011] In some embodiments, the support column includes two first sections and a middle section, the middle section is connected between the two first sections, a sixth groove is provided at one end of the first section facing away from the middle section, and the outer diameter of the middle section is larger than the outer diameter of the first section.

[0012] In some embodiments, the filter assembly also includes a fixed frame, the inner wall of the fixed frame is provided with a limiting member and a third protrusion, the filter is clamped in the fixed frame through the limiting member and the third protrusion, and a first limiting column is provided at each of the four corners of the fixed frame, the height of the first limiting column is not greater than the thickness of the fixed frame, and the first limiting column can be clamped with the movable part.

[0013] In some embodiments, an eighth groove is provided at each of the four corners of the second cover plate, the eighth groove is located at one end of the second cover plate facing the first cover plate, a second limiting column is provided on the first limiting column, and the second limiting column is arranged opposite to the eighth groove.

[0014] In some embodiments, a third through hole is provided at the bottom of the eighth groove, and the support column is at least partially located in the third through hole.

[0015] In some embodiments, a plurality of handles are provided on the outer peripheral wall of the fixed frame along the circumference of the fixed frame, a plurality of third grooves are provided on the outer peripheral wall of the first cover plate, the third grooves pass through the first cover plate, a plurality of seventh grooves are provided on the outer peripheral wall of the second cover plate, the seventh grooves pass through the second cover plate, the third grooves are arranged in a one-to-one correspondence with the seventh grooves, and when the filter net can be inserted between the first cover plate and the second cover plate, the third grooves correspond to the handles one-to-one.

[0016] The utility model also provides an air conditioner, which includes the aforementioned filter assembly.

[0017] The filter assembly and air conditioner provided by the utility model have the following beneficial effects:

[0018] The first cover plate and the second cover plate are connected by multiple support columns, and a gap is formed between the first cover plate and the second cover plate through multiple support columns. The filter can be inserted horizontally or vertically from the gap, and the first cover plate and the second cover plate can also be separated and taken out or installed from the front or back. The filter can be inserted between the first cover plate and the second cover plate and snap-fit with the movable part. When inserted, the filter is fixed by the movable part, thereby realizing the removal and installation of the filter in five directions of up, down, left, right and front. This solves the current problem of user installation and removal limitations of the one-way removal of the filter in the duct unit, the problem of difficult disassembly and installation of the snap-on filter in the duct unit, and the problem of difficult removal of the middle part of the filter when there are multiple filters in the duct unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the embodiments or the description of the prior art. The drawings described below are merely exemplary. For those skilled in the art, other implementation drawings can be derived from the provided drawings without inventive effort.

[0020] Figure 1 This is an assembly structure diagram of the filter assembly of the utility model;

[0021] Figure 2 yes Figure 1 Enlarged view of point O in the middle;

[0022] Figure 3 yes Figure 1 Enlarged view of M in the middle

[0023] Figure 4 yes Figure 1 Enlarged view of point N in the middle;

[0024] Figure 5This is a schematic diagram of the structure of the first cover plate in the filter assembly of the utility model Figure 1 ;

[0025] Figure 6 It is a side view of the first cover plate in the filter assembly of the present invention;

[0026] Figure 7 This is a schematic diagram of the structure of the first cover plate in the filter assembly of the utility model Figure 2 ;

[0027] Figure 8 yes Figure 5 Middle BB cross-section;

[0028] Figure 9 yes Figure 8 Enlarged view of point C in the middle;

[0029] Figure 10 yes Figure 8 Enlarged view of point D in the middle;

[0030] Figure 11 yes Figure 7 Enlarged view of point F in the middle;

[0031] Figure 12 yes Figure 6 Enlarged view of point E in the middle;

[0032] Figure 13 It is a structural diagram of the movable parts in the filter assembly of the utility model;

[0033] Figure 14 This is a side view of the movable parts in the filter assembly of the utility model Figure 1 ;

[0034] Figure 15 This is a side view of the movable parts in the filter assembly of the utility model Figure 2 ;

[0035] Figure 16 This is a schematic diagram of the structure of the support column in the filter assembly of the utility model Figure 1 ;

[0036] Figure 17 This is a schematic diagram of the structure of the support column in the filter assembly of the utility model Figure 2 ;

[0037] Figure 18 This is a schematic diagram of the structure of the elastic member in the filter assembly of the utility model Figure 1 ;

[0038] Figure 19 This is a schematic diagram of the structure of the elastic member in the filter assembly of the utility model Figure 2 ;

[0039] Figure 20 This is a schematic diagram of the structure of the elastic member in the filter assembly of the utility model Figure 3 ;

[0040] Figure 21 It is a structural diagram of the filter screen in the filter screen assembly of the present utility model;

[0041] Figure 22 This is a schematic diagram of the structure of the fixed frame in the filter assembly of the utility model Figure 1 ;

[0042] Figure 23 This is a schematic diagram of the structure of the fixed frame in the filter assembly of the utility model Figure 2 ;

[0043] Figure 24 yes Figure 22 KK cross-sectional view in;

[0044] Figure 25 yes Figure 24 Enlarged view of L in the middle;

[0045] Figure 26 yes Figure 22 Enlarged view of point H in the middle;

[0046] Figure 27 yes Figure 22 Enlarged view of point G in the middle;

[0047] Figure 28 yes Figure 23 Enlarged view of J in the middle;

[0048] Figure 29 This is a schematic diagram of the structure of the second cover plate in the filter assembly of the utility model Figure 1 ;

[0049] Figure 30 This is a schematic diagram of the structure of the second cover plate in the filter assembly of the utility model Figure 2 ;

[0050] Figure 31 yes Figure 30 Enlarged view of the M in the middle;

[0051] Figure 32 This is a schematic diagram of the assembly of the fixed frame and the filter in the filter assembly of the utility model. Figure 1 ;

[0052] Figure 33 This is a schematic diagram of the assembly of the fixed frame and the filter in the filter assembly of the utility model. Figure 2 ;

[0053] Figure 34It is a schematic diagram of the assembly of movable parts and support columns in the filter screen assembly of the present invention.

[0054] Figure 35 It is a structural diagram of an air conditioner according to another embodiment of the present invention.

[0055] The accompanying drawings are:

[0056] 1. First cover plate; 2. Second cover plate; 3. Filter screen; 4. Movable part; 5. Support column; 6. Third groove; 7. Mounting part; 8. Buckle; 9. First through hole; 10. First groove; 11. First protrusion; 12. Second groove; 13. Second protrusion; 14. Second through hole; 15. Fourth groove; 16. Fifth groove; 17. Sixth groove; 18. Middle section; 19. First section; 20. Elastic part; 21. Fixed frame; 22. Limiting part; 23. Handle; 24. Second limiting column; 25. First limiting column; 26. Third protrusion; 27. Seventh groove; 28. Third through hole; 29. Eighth groove. DETAILED DESCRIPTION

[0057] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is in no way intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0058] In the description of the present invention, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0059] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0060] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of this utility model.

[0061] See also Figure 1-34 As shown, according to an embodiment of the present invention, a filter screen assembly is provided, including: a first cover plate 1, a second cover plate 2 and a filter screen 3, the first cover plate 1 and the second cover plate 2 are connected by a plurality of support columns 5, and a movable part 4 is provided on the support column 5, and the filter screen 3 can be inserted between the first cover plate 1 and the second cover plate 2, and be clamped with the movable part 4. In this technical solution, the first cover plate 1 and the second cover plate 2 are connected by multiple support columns 5, and a gap is formed between the first cover plate 1 and the second cover plate 2. The filter screen 3 can be inserted horizontally or vertically from the gap, and the first cover plate 1 and the second cover plate 2 can also be separated and taken out or installed from the front or back. The filter screen 3 can be inserted between the first cover plate 1 and the second cover plate 2 and snap-fit with the movable part 4. When inserted, the filter screen is fixed by the movable part 4, realizing the removal and installation of the filter screen in five directions of up, down, left, right and front. It solves the current problem of user installation and removal limitations of the one-way removal of the filter screen in the duct unit, the problem of difficult disassembly and installation of the snap-on filter screen in the duct unit, and the problem of difficult removal of the middle part of the filter screen when there are multiple filters in the duct unit.

[0062] In some embodiments, there are four support columns 5, one support column 5 is provided at each of the four corners of the first cover plate 1, a plurality of first through holes 9 are provided on the first cover plate 1, and the first through holes 9 correspond to the support columns 5 one by one, and a second through hole 14 is provided on the movable member 4, and the support column 5 is at least partially located in the first through hole 9, and the support column 5 passes through the second through hole 14. In this technical solution, in combination with reference to Figure 5-12 As shown, a support column 5 is provided at each of the four corners of the first cover plate 1, and a plurality of first through holes 9 are provided on the first cover plate 1. The first through holes 9 correspond to the support columns 5 one by one, and the support columns 5 are installed through the first through holes 9. Moreover, the four support columns 5 are divided into four corners located at the first cover plate 1, so that the support columns 5 will not affect the disassembly and installation of the filter in the five directions of up, down, left, right and front. Moreover, there are only four support columns 5, which is also convenient for the disassembly and installation of the first cover body 1 and the second cover body 2. A second through hole 14 is provided on the movable part 4, and the support column 5 is at least partially located in the first through hole 9. Moreover, the support column 5 passes through the second through hole 14, so that the movable part 4 can rotate relative to the support column, and achieves a guiding effect when the filter is inserted. After the filter is inserted, it also achieves a limiting effect on the filter 3. The second through hole 14 and the first through hole 9 are circular through holes.

[0063] In some embodiments, a first protrusion 11 is provided at each of the four corners of the first cover plate 1, and a second groove 12 is provided at one end of the first protrusion 11 facing the second cover plate 2, and the second groove 12 runs through both sides of the first protrusion 11. A second protrusion 13 is provided on the movable member 4, and a fifth groove 16 is provided at one end of the second protrusion 13 facing the first cover plate 1, and the fifth groove 16 runs through both sides of the second protrusion 13. An elastic member 20 is provided between the movable member 4 and the first cover plate 1, and one end of the elastic member 20 is located in the second groove 12, and the other end is located in the fifth groove 16. In this technical solution, in combination with reference to Figure 5-12 As shown, an elastic member 20 is provided between the first cover plate 1 and the movable member 4. Figures 18 to 20 As shown, the elastic member 20 is a spring, the elastic member 20 has two ends and a rotating structure in the middle. One end of the elastic member 20 is clamped in the second groove 12, and the other end of the elastic member 20 is clamped in the fifth groove 16, thereby ensuring the rotation and reset of the movable member 4 when the filter screen 3 is inserted.

[0064] In some embodiments, a first groove 10 is provided at each of the four corners of the first cover plate 1. The first groove 10 extends through the sidewall of the first cover plate 1 and is located at one end of the first cover plate 1 facing the second cover plate 2. The movable member 4 is located within the first groove 10, and at least partially extends outside the first groove 10 in the direction from the first cover plate 1 toward the second cover plate 2. In this technical solution, the movable member 4 is limited by the first groove 10 so that it can only rotate within the first groove 10. The first protrusion 11 is provided within the first groove 10. Preferably, the height of the first protrusion 11 is less than the depth of the first groove 10. The first cover plate 1, the second cover plate 2, and the movable member 4 can be injection molded parts.

[0065] In some embodiments, the cross-section of the movable part 4 and the first groove 10 is in the shape of a quarter circle. The arc of the first groove 10 is located on the first cover plate 1. A fourth groove 15 is provided on the side wall of the arc of the movable part 4. The fourth groove 15 passes through the movable part 4 along the direction from the first cover plate 1 to the second cover plate 2. The bottom surface of the fourth groove 15 is in the shape of an arc. The movable part 4 can rotate in the first groove 10. In this technical solution, the cross-section of the movable part 4 and the first groove 10 is in the shape of a quarter circle, that is, the movable part 4 and the first groove 10 are C-shaped. The cross-section of the movable part 4 and the first groove 10 is in the shape of a quarter circle. The movable part 4 is at least partially located outside the first groove 10, so that the first groove 10 can limit the movable part 4 while also limiting the filter screen. The size of the movable part 4 is smaller than that of the first groove 10.

[0066] In some embodiments, a mounting portion 7 and a buckle 8 are provided on the first cover plate 1. The mounting portion 7 and the buckle 8 are located on the end of the first cover plate 1 facing away from the second cover plate 2. In this technical solution, the mounting portion 7 is located at the upper end of the first cover plate 1, and the buckle 8 is located at the lower end of the upper end of the first cover plate 1. A groove is provided on the side of the mounting portion 7 facing the buckle 8, and the groove passes through the mounting portion 7. The buckle 8 is a raised structure, and has a snap-fitting portion at the end facing away from the first cover plate 1. The volume of the snap-fitting portion is larger than the volume of other parts of the buckle 8. The mounting portion 7 is used to snap onto the sheet metal of the return air outlet of the duct unit at the top of the first cover plate 1, and the buckle 8 is used to snap onto the sheet metal of the return air outlet of the duct unit at the bottom. The buckle 8 is a wedge-shaped snap-fitting structure. The mounting portion 7 and the buckle 8 are used together to fix the filter assembly.

[0067] In some embodiments, the support column 5 includes two first sections 19 and a middle section 18. The middle section 18 is connected between the two first sections 19. A sixth groove 17 is provided at the end of the first section 19 facing away from the middle section 18. The outer diameter of the middle section 18 is larger than that of the first section 19. In this technical solution, the support column 5 is a metal or injection-molded part. The larger outer diameter of the middle section 18 than the outer diameter of the first section 19 prevents the support column 5 from moving between the first and second cover plates 1 and 2 when connected. The sixth groove 17 is provided at the end of the first section 19 facing away from the middle section 18. The inner circumferential wall of the sixth groove 17 may be threaded. When the support column 5 is installed between the first and second cover plates 1 and 2, it can be fixed by screws and threads on the opposite sides of the first and second cover plates 1 and 2. Of course, other fixing methods or no fixing of the support column 5 may be used. The middle section 18 forms a shoulder to limit the insertion depth of the support column 5. The filter 3 is a textile mesh structure used to filter air impurities; the filter 3 has an injection-molded frame on its periphery. The injection-molded frame is a rectangular frame structure with a cylindrical cross-section for supporting the filter.

[0068] In some embodiments, the filter assembly also includes a fixed frame 21, the inner wall of the fixed frame 21 is provided with a limiting member 22 and a third protrusion 26, the filter 3 is clamped in the fixed frame 21 through the limiting member 22 and the third protrusion 26, and a first limiting column 25 is provided at each of the four corners of the fixed frame 21, the height of the first limiting column 25 is not greater than the thickness of the fixed frame 21, and the first limiting column 25 can be clamped with the movable part 4. In this technical solution, the fixing frame 21 is an injection molded part, and the cross-section of the limiting member 22 is L-shaped. During installation, the limiting member 22 is located on one side of the filter screen 3, that is, the limiting member 22 is located on one side of the fixing frame 21 relative to the third protrusion 26, and the third protrusion 26 is located on the other side of the fixing frame 21, and the third protrusion 26 is located on the other side of the filter screen 3, thereby limiting the filter screen 3. Preferably, the limiting member 22 is located at the top of the fixing frame 21, and the third protrusion 26 is located at the bottom of the fixing frame 21. The first limiting column 25 is a cylindrical boss, and the protruding part is three-quarters of a cylinder. The first limiting column 25 has the same diameter as the fourth groove 15 on the movable part 4. During installation, the first limiting column 25 is snapped into the fourth groove 15.

[0069] In some embodiments, an eighth groove 29 is provided at each of the four corners of the second cover plate 2. The eighth groove 29 is located at the end of the second cover plate 2 facing the first cover plate 1. A second limiting post 24 is provided on the first limiting post 25. The second limiting post 24 is arranged opposite the eighth groove 29. In this technical solution, the diameter of the first limiting post 25 is larger than that of the second limiting post 24. The second limiting post 24 is a cylindrical boss structure. During installation, the second limiting post 24 engages with the eighth groove 29 to achieve a sliding limit function.

[0070] In some embodiments, a third through hole 28 is provided at the bottom of the eighth groove 29, and the support column 5 is at least partially located in the third through hole 28. In this technical solution, a third through hole 28 is provided at the bottom of the eighth groove 29, and the support column 5 is at least partially located in the third through hole 28. The eighth groove 29 limits the position of the support column 5. The two first sections 19 of the support column 5 are respectively inserted into the first through hole 9 and the third through hole 28. The diameter of the first section 19 matches the diameter of the first through hole 9 and the diameter of the third through hole 28. The eighth groove 29 is distributed around the second cover plate 2. The cross-section of the eighth groove 29 is a rectangular groove, and the grooves on the four sides are connected and extend to the edge in a tic-tac-toe structure. The eighth groove 29 provides a track for the sliding of the second limiting column 24.

[0071] In some embodiments, a plurality of handles 23 are provided on the outer peripheral wall of the fixed frame 21 along the circumference of the fixed frame 21, a plurality of third grooves 6 are provided on the outer peripheral wall of the first cover plate 1, and the third grooves 6 pass through the first cover plate 1. A plurality of seventh grooves 27 are provided on the outer peripheral wall of the second cover plate 2, and the seventh grooves 27 pass through the second cover plate 2. The third grooves 6 and the seventh grooves 27 are arranged in a one-to-one correspondence. When the filter 3 can be inserted between the first cover plate 1 and the second cover plate 2, the third grooves 6 and the handles 23 correspond one-to-one. In this technical solution, the third grooves 6 and the seventh grooves 27 serve as avoidance grooves for the handles 23, and the two are arranged in a one-to-one correspondence. When the filter 3 is inserted between the first cover plate 1 and the second cover plate 2, the handles 23 are located between the openings of the third grooves 6. The plurality of handles 23 are provided on the outer peripheral wall of the fixed frame 21 along the circumference of the fixed frame 21, making it easy to insert and remove the filter 3 from multiple directions.

[0072] During assembly, the four support columns 5 are distributed at the four corners of the first cover plate 1. One section 19 of the support column 5 is inserted into the first through hole 9 and fixed by screwing it into the internal thread of the sixth groove 17. The four elastic members 20 are respectively inserted into the four support columns 5, and one end of the elastic member 20 is clamped into the second groove 12, and the other end of the elastic member 20 is clamped into the fifth groove 16. The four movable members 4 are respectively inserted into the four support columns 5. The four third through holes 28 of the second cover plate are correspondingly inserted into the first sections 19 of the four support columns 5, clamped on the positioning shoulder of the middle section 18, and screwed into the sixth groove 17 by four screws to achieve the fixing effect. Insert the three filters 3 between the third protrusion 26 of the fixed frame 21 and the limit piece 22 to form an assembly of the filter and the fixed frame 21, and push this assembly between the first cover plate 1 and the second cover plate 2 assembled previously. When pushing in, the second limit column 24 should be embedded in the eighth groove 29, and the direction is correct. The assembly is completed until the second limit columns 24 at the four corners of the fixed frame 21 are all inserted into the eighth groove 29. The filter device is assembled as a whole, and then the mounting part 7 and the buckle 8 are inserted into the corresponding slots of the return air outlet sheet metal of the duct unit to complete the assembly.

[0073] The length and width of the fixing frame 21 are equal to the space defined by the four first grooves 10. To remove the filter, pull the handle 23 in the direction of withdrawal until the first retaining post 25 disengages from the movable member 4. Continue pulling until the filter assembly is completely removed from the device. After removing the filter to be replaced and replacing it with a new one, push the filter assembly back into the device along the same path as it was pulled out until the second retaining posts 24 at each corner of the filter assembly engage with the eighth groove 29. This completes the replacement, and the filter assembly can be pulled into the device in all four directions. To replace the entire filter assembly, disengage the mounting portion 7 and the latch 8 from the notch to remove the entire filter assembly.

[0074] The utility model also provides an air conditioner, comprising the above-mentioned filter assembly, wherein the filter assembly is installed on a sheet metal part of the return air outlet of the air duct.

[0075] It is easy for those skilled in the art to understand that, under the premise of no conflict, the advantageous technical features of the above-mentioned methods can be freely combined and superimposed.

[0076] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention. The above description is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the present invention. Such improvements and variations shall also be considered within the scope of protection of the present invention.

Claims

1. A filter assembly, characterized in that: include: A first cover plate (1), a second cover plate (2) and a filter screen (3); the first cover plate (1) and the second cover plate (2) are connected via a plurality of support columns (5); movable parts (4) are provided on the support columns (5); the filter screen (3) can be inserted between the first cover plate (1) and the second cover plate (2) and is engaged with the movable parts (4).

2. The filter assembly according to claim 1, characterized in that: There are four support columns (5), one support column (5) is provided at each of the four corners of the first cover plate (1), a plurality of first through holes (9) are provided on the first cover plate (1), the first through holes (9) correspond one to one with the support columns (5), a second through hole (14) is provided on the movable part (4), the support column (5) is at least partially located in the first through hole (9), and the support column (5) passes through the second through hole (14).

3. The filter assembly according to claim 2, characterized in that: A first protrusion (11) is provided at each of the four corners of the first cover plate (1), a second groove (12) is provided at one end of the first protrusion (11) facing the second cover plate (2), and the second groove (12) passes through both sides of the first protrusion (11), a second protrusion (13) is provided on the movable member (4), a fifth groove (16) is provided at one end of the second protrusion (13) facing the first cover plate (1), and the fifth groove (16) passes through both sides of the second protrusion (13), an elastic member (20) is provided between the movable member (4) and the first cover plate (1), one end of the elastic member (20) is located in the second groove (12), and the other end is located in the fifth groove (16).

4. The filter assembly according to claim 1, characterized in that: A first groove (10) is provided at each of the four corners of the first cover plate (1), the first groove (10) passes through the side wall of the first cover plate (1), the first groove (10) is located at one end of the first cover plate (1) facing the second cover plate (2), the movable member (4) is located in the first groove (10), and, along the direction from the first cover plate (1) toward the second cover plate (2), the movable member (4) at least partially extends out of the first groove (10).

5. The filter assembly according to claim 4, characterized in that: The cross-sections of the movable part (4) and the first groove (10) are in the shape of a quarter circle. The arc of the first groove (10) is located on the first cover plate (1). A fourth groove (15) is provided on the arc side wall of the movable part (4). The fourth groove (15) passes through the movable part (4) in the direction from the first cover plate (1) toward the second cover plate (2). The bottom surface of the fourth groove (15) is in the shape of an arc. The movable part (4) can rotate in the first groove (10).

6. The filter assembly according to claim 4, characterized in that: The first cover plate (1) is provided with a mounting portion (7) and a buckle (8), and the mounting portion (7) and the buckle (8) are located at an end of the first cover plate (1) facing away from the second cover plate (2).

7. The filter assembly according to claim 1, characterized in that: The support column (5) comprises two first sections (19) and a middle section (18), the middle section (18) being connected between the two first sections (19), a sixth groove (17) being provided at one end of the first section (19) facing away from the middle section (18), and an outer diameter of the middle section (18) being larger than an outer diameter of the first section (19).

8. The filter assembly according to claim 1, characterized in that: The filter assembly further comprises a fixed frame (21), the inner peripheral wall of the fixed frame (21) is provided with a limiting member (22) and a third protrusion (26), the filter (3) is clamped in the fixed frame (21) through the limiting member (22) and the third protrusion (26), a first limiting column (25) is provided at each of the four corners of the fixed frame (21), the height of the first limiting column (25) is not greater than the thickness of the fixed frame (21), and the first limiting column (25) can be clamped with the movable member (4).

9. The filter assembly according to claim 8, characterized in that: An eighth groove (29) is provided at each of the four corners of the second cover plate (2), and the eighth groove (29) is located at one end of the second cover plate (2) facing the first cover plate (1). A second limiting column (24) is provided on the first limiting column (25), and the second limiting column (24) is arranged opposite to the eighth groove (29).

10. The filter assembly according to claim 9, characterized in that: A third through hole (28) is provided at the bottom of the eighth groove (29), and the support column (5) is at least partially located in the third through hole (28).

11. The filter assembly according to claim 8, characterized in that: Along the circumference of the fixed frame (21), a plurality of handles (23) are provided on the outer peripheral wall of the fixed frame (21); a plurality of third grooves (6) are provided on the outer peripheral wall of the first cover plate (1); the third grooves (6) pass through the first cover plate (1); a plurality of seventh grooves (27) are provided on the outer peripheral wall of the second cover plate (2); the seventh grooves (27) pass through the second cover plate (2); the third grooves (6) and the seventh grooves (27) are arranged in a one-to-one correspondence; when the filter net (3) can be inserted between the first cover plate (1) and the second cover plate (2), the third grooves (6) and the handles (23) correspond one-to-one.

12. An air conditioner, characterized in that: The filter assembly comprises the filter assembly according to any one of claims 1 to 11.

Images