Folding filter screen and air conditioner

Abstract

The invention discloses a folding filter screen and an air conditioner, the filter screen comprises a foldable screen surface used for filtering and a fixing piece connected with the screen surface, in the scheme, the structure of the fixing piece at the end part of the filter screen is improved, and the bending coefficient of a connecting part in the middle is smaller than that of supporting parts on two sides, so that the supporting parts endow the filter screen with proper structural strength; the filter screen can be conveniently mounted on a corresponding device, the connecting part formed by the elastic material can be bent by applying force, and then the filter screen is folded to reduce the size, so that the filter screen is convenient to transport, mount, dismount and the like.

Description

Technical Field

[0001] The invention relates to the technical field of filter screen devices, and in particular to a foldable filter screen and an air conditioner. Background Art

[0002] Filters have many application areas. Taking the filter on the air conditioner as an example, common filters basically include a mesh surface for filtering and fixings connected to the mesh surface. The mesh surface is supported by the fixings and the filter is fixed to the housing of the equipment to be installed through the fixings. Common fixings include bars formed of hard materials, and multiple fixings form a frame. This type of filter cannot be folded and is inconvenient to transport.

[0003] In addition, with regard to the installation of the filter on the air conditioner, taking the air inlet as an example, the filter is mostly fixed at the air inlet by means of screws or clips, which is inconvenient to install and disassemble and needs to be improved. Summary of the invention

[0004] To solve at least one of the above technical defects, the present invention provides the following technical solutions:

[0005] The present application document discloses a foldable filter, including a foldable mesh surface for filtering and a fixing member connected to the mesh surface, wherein the fixing member includes a supporting portion and a connecting portion, wherein the two supporting portions are connected by the connecting portion, wherein the bending coefficient of the connecting portion is smaller than the bending coefficient of the supporting portion, and the connecting portion is formed of an elastic material, and force is applied to bend the connecting portion to fold the filter.

[0006] In this solution, the configuration of the fixings at the ends of the filter is improved, and the bending coefficient of the middle connecting part is smaller than the bending coefficient of the supporting parts on both sides, so that the supporting part gives the filter appropriate structural strength, which facilitates the installation of the filter in the corresponding device. The connecting part formed of elastic material can be bent by force, and then the filter can be folded to reduce the volume, which is convenient for transportation, installation and disassembly.

[0007] The number of fixings on the mesh surface and the configuration of multiple fixings can be freely selected according to needs, such as installing fixings at the ends of the mesh surface, or using fixings to form a rectangular frame or a grid frame.

[0008] Furthermore, the connecting portion is formed of a polymer material or spring steel. Common polymer materials that are easy to bend include PP, PC, PU, ​​PVC, TPE, PE, rubber, etc. The elasticity of spring steel can also meet the bending performance requirements.

[0009] Furthermore, the fixing piece is in the shape of an integrally formed strip, a groove is formed in the middle position of the fixing piece so that the thickness of the groove is smaller than the thickness of the fixing piece parts on both sides thereof, the part where the groove is located is the connecting part, and the fixing piece parts on both sides of the groove are the supporting parts, and the integrally formed structure is convenient for forming.

[0010] For fixings made of the same material, when the thickness of one part is smaller than that of other parts, if the difference in width and length is not large, it can be considered that the bending coefficient of the part with smaller thickness is smaller than that of the part with larger thickness. In this regard, the bending coefficients of the two parts are changed directly by changing the thickness in this solution.

[0011] Furthermore, the width of the fixing member is consistent. Or, the width of the connecting portion is smaller than the width of the supporting portion. As for the bending coefficient, when the width of the fixing member is consistent, the thickness of the groove portion in the middle is smaller than that of the two side portions. Under normal conditions, it can be considered that the bending coefficient of the groove portion is smaller than that of the two side portions.

[0012] Furthermore, protrusions are arranged at intervals along the length direction of the bottom surface of the connecting portion. When the connecting portion is bent into a U-shape, the protrusion on one side is embedded in the space between the two protrusions on the opposite side, so that the connecting portion remains in a bent state.

[0013] In this solution, protrusions are added, and force can be applied during bending to make the protrusions on both sides of the bending point close to and misaligned, so that the protrusion on one side is embedded in the space between the protrusions on the other side. The number of protrusions can be reasonably set, and the fitting force can be used to hinder the recovery of the connection part, so that the connection part remains in a bent state, which is convenient for subsequent transportation, installation, etc.

[0014] Furthermore, fixing members are provided at least at opposite ends of the mesh surface.

[0015] Furthermore, the fixing members at both ends of the mesh surface are connected by connecting members, and it is common to connect the ends of the fixing members at both ends of the mesh surface by connecting members to form a frame shape, such as a rectangular frame shape. Of course, the fixing members at both ends of the mesh surface can also be connected by multiple connecting members to form a grid shape.

[0016] Furthermore, multiple fixings are arranged at intervals along the extension direction of the connecting member and the connecting members distributed in the length direction are connected by the fixings. In this solution, the number of fixings is increased, multiple fixings are distributed at intervals and the connecting members are connected to form a grid-like frame, which helps to improve the structural strength of the filter.

[0017] Furthermore, the thickness of the connection portion where the connection portion is connected to the connecting piece is greater than the thickness of the connection portions on both sides of the connection portion, thereby improving the stability of the connection and the stability of the folding.

[0018] Furthermore, a handle portion for providing a fulcrum is provided on the connecting piece connected to the connecting part. The configuration of the handle portion can be selected according to needs, such as the common strip shape, which protrudes from the connecting piece to facilitate clamping with two fingers. The handle portion can also be L-shaped, T-shaped, etc., or a chain can be used as the handle portion, which can be selected according to needs.

[0019] A second aspect of the present application discloses an air conditioner, comprising the above-mentioned filter.

[0020] Furthermore, it includes an outer cover for forming an air-conditioning shell, the outer cover is provided with an air inlet, and slots are provided at both ends of the air inlet, and the slot openings of the slots are oriented in the width or length direction of the air inlet, the fixing parts at the ends of the mesh surface are in the slots and slidably fit, and a notch for the support part to enter and exit is provided at the corresponding slot wall above the connecting part. When disassembling, if force is applied to pull the handle part out, the connecting part bends and is gradually pulled out from the notch, and the supporting part slides along the slot under the traction of the connecting part, and then is gradually pulled out from the notch. The size of the notch only needs to be sufficient for the support part to be pulled out, and can be selected according to the characteristics of the supporting part. If it cannot be bent and deformed, the length of the notch needs to be greater than the length of the supporting part. If it can be bent and deformed, the length of the notch can also be less than the length of the supporting part.

[0021] Furthermore, the length of the notch is greater than the sum of the lengths of the two supporting parts. During installation, the supporting parts can be placed side by side at the notch, and then moved toward each other into the slot cavities on both sides of the notch. During disassembly, force can be directly applied to pull the handle out, and the connecting part and the supporting part will be gradually pulled out of the notch, which is convenient for disassembly and installation.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention improves the structure of the filter screen, and the bendable connecting part is connected to the supporting part, so that the filter screen can be easily folded.

[0024] 2. The present invention improves the docking structure between the filter and the air conditioner, docks the fixing parts with a slot, and adds a notch to facilitate disassembly and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. 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 creative work.

[0026] Figure 1 It is a schematic diagram of the structure of the filter screen in Example 1;

[0027] Figure 2 It is a schematic diagram of the enlarged structure of part B;

[0028] Figure 3 It is a schematic diagram of the structure of the bump;

[0029] Figure 4 is a schematic diagram of the structure of the air conditioner in Example 1;

[0030] Figure 5 It is a schematic diagram of the enlarged structure of part A;

[0031] Figure 6It is a schematic diagram of the installation structure of the fixing parts and the card slot at the air inlet;

[0032] Wherein, the accompanying drawings are marked as follows:

[0033] 1. Outer cover; 2. Filter; 10. Slot; 11. Notch; 20. Mesh surface; 21. Fixing piece; 22. Connecting piece; 23. Handle; 210. Supporting part; 211. Connecting part; 212. Bump. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0035] Example 1

[0036] like Figure 4 As shown, in this example, an air conditioner includes an outer cover 1 constituting an air conditioner housing. Generally speaking, the outer cover and the base at the cover opening constitute the main body of the air conditioner housing. Figure 4 In the state shown, an air inlet is formed on the top surface of the outer cover 1, and a filter 2 is installed at the air inlet.

[0037] like Figure 1 , Figure 2 , Figure 3 As shown, in this example, the filter screen 2 is a foldable type, specifically including a mesh surface 20 for filtering and foldable and a fixing part 21 connected to the mesh surface. The mesh surface is specifically a common nylon mesh type, and the mesh surface can be bent and folded under the application of force. The fixing part is installed on the mesh surface, and the position of the fixing part on the mesh surface, that is, the number, can be selected according to the needs, such as multiple fixing parts are arranged at intervals along the length direction of the mesh surface. In this example, the fixing part 21 is installed at the opposite end of the mesh surface 20. The fixing part is in the shape of a common strip. The fixing part 21 at the end of the mesh surface includes a supporting part 210 and a connecting part 211, and the two supporting parts 210 are connected by the connecting part 211. The bending coefficient of the connecting part 211 is smaller than the bending coefficient of the supporting part 210. The supporting part 210 has a higher strength. When installed, the supporting part is connected to the cavity wall at the air inlet. The connecting portion 211 is formed of an elastic material, which refers to a bendable material, such as a polymer material, spring steel, etc., preferably a material with at least partial recovery performance, such as PP, PE, TPU, PU, ​​rubber, etc. When in use, the connecting portion can be bent by applying force to simultaneously achieve folding of the filter.

[0038] As for the connection between the connection part and the support part, the connection part and the support part are formed independently, and then connected to form a fixing part by gluing, welding or screwing. Of course, they can also be formed in one piece. Figure 1 , Figure 2As shown, in this example, the fixing part is displayed with an integrally formed structure, such as a strip of uniform width and thickness formed of PE material, a groove is formed in the middle of the strip, and the thickness of the strip at the groove is smaller than the parts on both sides thereof. The strip part at the groove is the connecting part 211, and the strip parts on both sides of the groove are the supporting parts 210. The bending coefficient of the connecting part 211 is significantly smaller than the bending coefficient of the supporting part 210, and the force-applied connecting part can be bent more labor-savingly. The thicker supporting part has a greater structural strength and can better support the mesh surface.

[0039] In this example, in order to improve the structural strength of the filter screen, the two ends of the mesh surface are connected by a connecting piece 22 between the fixing pieces 21, such as connecting the ends of the two fixing pieces to form a frame shape. The connecting piece is preferably made of a hard material, such as PE, PP or metal. Of course, the number of connecting pieces can be increased according to demand, such as Figure 1 , Figure 3 As shown, along the length direction of the fixing member 21, a plurality of strip-shaped connecting members 22 are arranged between the fixing members 21 at both ends of the mesh surface.

[0040] The number of fixing parts can be further increased, such as multiple fixing parts 21 are arranged at intervals along the extending direction of the connecting parts 22, and the connecting parts 22 distributed in the length direction are connected by the fixing parts 21 to form a grid-like frame as a whole. The grid-like frame can be integrally formed or the fixing parts and the connecting parts can be formed independently and then fixed and formed again. The grid-like frame has higher structural stability. For the fixation of the mesh surface and the fixing parts and the connecting parts, such as gluing, screws, thumbtacks or suturing, the corresponding technology can be selected from the market according to the needs.

[0041] In this case, the folded state is maintained. Figure 3 As shown, in this example, protruding protrusions 212 are spaced apart along the length direction on the back side of the connecting portion 211. The shapes of the protrusions may be rectangular, triangular, arc-shaped, etc. When the connecting portion 211 is folded into a U-shape, force is applied to make the protrusion 212 on one side of the folding center embed into the space between the two protrusions on the other side. The connecting portion is kept in a folded state through the engaging force, and the filter is simultaneously kept in a folded state. The number of protrusions can be selected according to needs.

[0042] Preferably, the connecting parts 211 are connected by connecting pieces 22, and the connecting pieces can be lifted by applying force to bend the connecting parts synchronously. It is further preferred that a handle 23 providing a fulcrum is added to the connecting pieces 22 between the connecting parts 211. The shape of the handle is not limited here, and it can be convenient for fingers to fulcrum, such as Figure 2The handle portion 23 is a plate-shaped body arranged longitudinally, and can be held by two fingers, which facilitates the application of force. The connecting piece is preferably connected to the midpoint of the connecting portion, so that the connecting portion can be folded more regularly. Similarly, the protrusions on both sides of the midpoint of the connecting portion are preferably staggered, so that they can be better fitted and fixed when folded. The thickness of the connecting piece and the connecting portion can be increased to improve the structural strength, such as Figure 2 As shown, the thickness of the connection portion between the connecting member 22 and the connecting portion 211 is greater than the thickness of the connecting portions 211 on both sides of the connection portion.

[0043] For the connection between the filter and the air conditioner, screw fixing, buckle fixing and other methods can be selected according to the needs. Figure 4 , Figure 5 , Figure 6 The structure shown is docked. In this example, grooves are formed at the cavity walls at both ends of the air inlet of the outer cover 1, namely, the card slots 10. The direction of the slot 10 is determined according to the length direction of the fixing member. If the fixing member is arranged along the length direction of the air inlet, the slot of the card slot is oriented in the width direction of the air inlet. Figure 4 , Figure 5 , Figure 6 As shown, in this example, the fixing member 21 is arranged along the width direction of the air inlet, and the notch of the card slot 10 faces the length direction of the air inlet. The fixing member 21 at the end of the mesh surface is in the card slot 10 and slides together. A notch 11 is formed at the corresponding card slot wall above the connecting portion 211. The notch is for the support part to enter and exit. The length of the notch can be selected according to the material of the support part. If the support part is formed of a material that is difficult to bend, such as metal, the length of the notch is greater than the length of the support part. The support part can be horizontally placed in the notch cavity, and then inserted into the card slot cavity on the side of the notch. If the support part is formed of a bendable and deformable material, the size of the notch can also be smaller than the length of the support part, and one end of the support part can be inserted from the notch into the card slot cavity on the side of the notch.

[0044] In order to further improve the convenience of installation and disassembly, the length of the notch 11 in this example is greater than the sum of the lengths of the two supporting parts 210 on both sides of the connecting part 211. When installing, the two supporting parts are horizontally placed in the groove cavity at the notch, and then inserted into the corresponding card slot cavities on the sides of the notch. The supporting parts and the card slot cavity walls are interference fit to improve stability. When disassembling, the connecting part or the handle part is directly pulled from the outside of the notch, and the supporting part is gradually moved to the notch by the traction of the connecting part, which is convenient for operation.

[0045] The above are only preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A foldable filter screen, comprising a foldable mesh surface (20) for filtering and a fixing member (21) connected to the mesh surface (20), characterized in that: The fixing member (21) comprises a supporting portion (210) and a connecting portion (211). The two supporting portions (210) are connected by the connecting portion (211). The bending coefficient of the connecting portion (211) is smaller than the bending coefficient of the supporting portion (210). The connecting portion (211) is formed of an elastic material. The connecting portion (211) is bent by applying force to fold the filter.

2. A foldable filter screen as claimed in claim 1, characterized in that: The connecting portion (211) is formed of polymer material or spring steel.

3. A foldable filter screen as claimed in claim 1, characterized in that: The fixing member (21) is in the shape of an integrally formed strip, and a groove is formed in the middle of the fixing member (21) so that the thickness of the groove is smaller than the thickness of the fixing member parts on both sides thereof, the part where the groove is located is the connecting part (211), and the fixing member parts on both sides of the groove are the supporting parts (210).

4. A foldable filter screen as claimed in claim 3, characterized in that: The width of the fixing member (21) is consistent; Alternatively, the width of the connecting portion (211) is smaller than the width of the supporting portion (210).

5. A foldable filter screen as claimed in claim 1, characterized in that: Protrusions (212) are arranged at intervals along the length direction of the bottom surface of the connecting portion (211); when the connecting portion (211) is bent into a U-shape, the protrusion (212) on one side is embedded in the space between two protrusions (212) on the opposite side, so that the connecting portion remains in a bent state.

6. A foldable filter screen as claimed in claim 1, characterized in that: A fixing member (21) is provided at least at opposite ends of the mesh surface (20); Alternatively, the fixing members (21) at both ends of the mesh surface (20) are connected by a connecting member (22).

7. A foldable filter screen as claimed in claim 5, characterized in that: A plurality of fixing members (21) are arranged at intervals along the extending direction of the connecting members (22), and the connecting members (22) distributed in the length direction thereof are connected by the fixing members (21); Or, the thickness of the connection portion (211) and the connecting piece (22) is greater than the thickness of the connection portions on both sides of the connection portion; Alternatively, a handle portion (23) for providing a force point is provided on the connecting piece (22) connected to the connecting portion (211).

8. An air conditioner, characterized in that: Comprising the filter screen (2) described in any one of claims 1 to 7.

9. The air conditioner according to claim 8, characterized in that: The invention comprises an outer cover (1) for forming an air conditioner housing, wherein an air inlet is arranged on the outer cover (1), and slots (10) are arranged at both ends of the air inlet, and the slots of the slots (10) face the width or length direction of the air inlet, a fixing member (21) at the end of the mesh surface (20) is located in the slots (10) and is slidably fitted, and a notch (11) for the support portion (210) to enter and exit is arranged at the slot wall of the slot (10) corresponding to the upper side of the connecting portion (211).

10. The air conditioner according to claim 8, characterized in that: The length of the notch (11) is greater than the sum of the lengths of the two supporting portions (210).

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