Air conditioner filter element and air conditioner filter

Abstract

The utility model belongs to the technical field of filter elements, and particularly relates to an air conditioner filter element and an air conditioner filter which are used for being installed in a filter element containing cavity, and the air conditioner filter element can be installed in the filter element containing cavity in the moving-in direction. The air conditioner filter element comprises a filter layer and a matching part. The filter layer is folded into a sawtooth shape and forms a plurality of sawtooth parts, the filter layer is provided with at least one cut-off angle, and the outer edge of the filter layer is bonded with a frame strip; the matching piece is a flexible piece or an elastic piece, is in a long strip shape, is mounted on the frame strip close to the cut-off angle in the moving-in direction, and is matched and propped against the inner wall, close to the cut-off angle, of the filter element accommodating cavity; the air conditioner filter element abuts against the inner wall, close to the broken corner, of the filter element containing cavity in a matched mode through the matching piece, so that the air conditioner filter element is reliably sealed and contained in the filter element containing cavity. The air conditioner filter element is installed in the filter element containing cavity from the opening, the flat part is clamped between the two positioning columns, and the air conditioner filter element is stably installed and contained in the filter element containing cavity in a sealed mode.

Description

Technical Field

[0001] The utility model belongs to the technical field of filter elements, and particularly relates to an air-conditioning filter element and an air-conditioning filter. Background Art

[0002] Inside buildings, automobiles, vacuum cleaners, air conditioners, and liquid filters, there are filters for filtering various impurities such as dust contained in the inflowing gas or liquid. Such filters are usually made of non-woven fabric and are generally formed in a zigzag wrinkle shape. Among them, most of the air filters applied to air-conditioning are plate-type filter elements, which mainly consist of a filter layer folded in a zigzag structure and an outer frame strip pasted outside the filter layer. The filter layer and the outer frame are mostly non-woven fabric materials such as polyester fiber and polypropylene fiber. Such air filter elements have the characteristics of a large effective filtration area and a light structure.

[0003] For example, Chinese Utility Model Patent Publication No. CN209752428U discloses a filter element, an air filtration assembly, and an automotive air-conditioning system, including a filter element, a sealing plate provided at the top of the filter element, and filter frames provided on both sides of the filter element along its length direction. Both the sealing plate and the filter frames are made of flexible materials. However, when installing the above-mentioned filter element, it must exactly match the housing of the corresponding air filtration assembly. During processing, there are likely to be dimensional errors at the side ends of the filter element near the cut corner (folded corner), resulting in the problem that the filter element is not tightly matched with the side wall of the housing near the cut corner (folded corner) during installation. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an air-conditioning filter element, aiming to solve one of the technical problems existing in the prior art.

[0005] To achieve the above purpose, an air-conditioning filter element provided by an embodiment of the utility model is used to be installed in a filter element accommodation cavity, and the air-conditioning filter element can be inserted into the filter element accommodation cavity along the insertion direction;

[0006] The air-conditioning filter element includes a filter layer and a fitting; the filter layer is folded into a zigzag shape to form several serrated parts, the filter layer has at least one cut corner, and a frame strip is bonded to the outer edge of the filter layer; the fitting is a flexible part or an elastic part, the fitting is strip-shaped and is installed on the frame strip near the cut corner along the insertion direction, the fitting is provided with at least one bevel angle, the bevel angle is consistent with the cut corner angle and is smoothly connected, and the fitting is in mating contact with the inner wall of the filter element accommodation cavity near the cut corner.

[0007] Optionally, the fitting includes a flat portion; the height of the flat portion is less than the height of the frame strip, and one end of the flat portion is fixedly connected to one of the frame strips adjacent to the cut-off corner; the flat portion is used for being clamped in the positioning groove of the filter element accommodating cavity or between two positioning posts.

[0008] Optionally, the fitting further includes two reinforcing seats respectively arranged at both ends of the flat portion, one ends of the two reinforcing seats are both fixedly connected to one of the frame strips adjacent to the cut-off corner, and the bevel is arranged on the outer side of one of the reinforcing seats close to the cut-off corner.

[0009] Optionally, the height of the reinforcing seat is the same as the height of the frame strip.

[0010] Optionally, one end of the flat portion and one end of the reinforcing seat are both fixedly adhered to one of the frame strips adjacent to the cut-off corner.

[0011] Optionally, the height of the flat portion is less than 1 / 2 of the height of the frame strip.

[0012] Optionally, the material of the fitting is a foam material or is composed of a foam material.

[0013] Optionally, the length of the fitting in the moving-in direction is greater than or equal to 2 mm.

[0014] An embodiment of the present invention further provides an air conditioner filter, including a filter housing and the above-mentioned air conditioner filter element; the filter housing has a filter element accommodating cavity, the filter element accommodating cavity has an opening, and the air conditioner filter element is installed in the filter element accommodating cavity from the opening.

[0015] Optionally, two positioning posts are arranged at intervals up and down on the inner wall of the filter element accommodating cavity adjacent to the cut-off corner.

[0016] Compared with the prior art, at least one of the above one or more technical solutions in the air conditioner filter element provided by the embodiment of the present invention has the following technical effects:

[0017] The air conditioner filter element is in fit and abutment with the inner wall of the filter element accommodating cavity adjacent to the cut-off corner through the fitting. The fitting is a flexible member or an elastic member and can be in close fit with the inner wall of the filter element accommodating cavity. Even if there are dimensional errors in the side end of the air conditioner filter element adjacent to the cut-off corner (folded corner) during processing, the air conditioner filter element can be reliably sealed and accommodated in the filter element accommodating cavity, which has extremely high practicability.

[0018] The air conditioner filter element is installed in the filter element accommodating cavity from the opening, and the flat portion is clamped between the two positioning posts, so that the air conditioner filter element is stably installed and sealed in the filter element accommodating cavity, and the structure is reliable. Description of the Drawings

[0019] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 It is a schematic structural diagram of the air-conditioning filter element of the present utility model.

[0021] Figure 2 It is a schematic structural diagram of the air-conditioning filter of the present utility model.

[0022] Among them, the reference numerals in the figure are as follows:

[0023] 100, filter housing; 110, filter element accommodation cavity; 111, opening; 120, positioning post;

[0024] 200, air-conditioning filter element; 210, filter layer; 211, cut-off angle; 212, border strip; 220, fitting; 221, bevel angle; 222, flat part; 223, strengthening seat. Detailed implementation manners

[0025] The following will describe in detail the embodiments of the present utility model. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the present utility model, and should not be construed as a limitation to the present utility model.

[0026] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0027] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0028] In the embodiments of the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0029] In one embodiment of the present utility model, referring to Figure 1 and Figure 2 , an air filter element 200 is provided, which is used to be installed in a filter element accommodating cavity 110, and the air filter element 200 can be inserted into the filter element accommodating cavity 110 along the insertion direction (the direction indicated by arrow a in Figure 1 ).

[0030] Among them, referring to Figure 1 and Figure 2 , the air filter element 200 includes a filter layer 210 and a fitting 220. The filter layer 210 is folded into a zigzag shape to form a plurality of zigzag portions, the filter layer 210 has at least one cut-off angle 211, and a border strip 212 is bonded to the outer edge of the filter layer 210. The fitting 220 is a flexible member or an elastic member, the fitting 220 is in a strip shape and is installed on the border strip 212 adjacent to the cut-off angle 211 along the insertion direction, the fitting 220 is provided with at least one bevel angle 221, the bevel angle 221 is consistent with the cut-off angle 211 and is in flat contact, and the fitting 220 is in mating contact with the inner wall of the filter element accommodating cavity 110 adjacent to the cut-off angle.

[0031] Compared with the prior art, one or more of the above technical solutions in the air filter element 200 provided by the embodiments of the present utility model have at least one of the following technical effects:

[0032] Referring to Figure 1 and Figure 2 , the air filter element 200 is in mating contact with the inner wall of the filter element accommodating cavity 110 adjacent to the cut-off angle through the fitting 220. The fitting 220 is a flexible member or an elastic member and can be in close contact with the inner wall of the filter element accommodating cavity 110. Even if there are dimensional errors in the side end of the air filter element 200 adjacent to the cut-off angle (fold angle) during processing, the air filter element 200 can be reliably sealed and accommodated in the filter element accommodating cavity 110, which has extremely high practicality.

[0033] Furthermore, referring to Figure 1 and Figure 2, the fitting 220 includes a flat portion 222. The height of the flat portion 222 is less than the height of the frame strip 212, and one end of the flat portion 222 is fixedly connected to one frame strip 212 adjacent to the cut-off corner 211. The flat portion 222 is used to be clamped in the positioning groove of the filter element accommodating cavity 110 or between the two positioning posts 120, so that the air-conditioning filter element 200 is stably installed in the core accommodating cavity by clamping the flat portion 222 in the positioning groove or between the two positioning posts 120, and the structure is reliable.

[0034] Further, referring to Figure 1 , the fitting 220 further includes two reinforcing seats 223 respectively arranged at both ends of the flat portion 222. One ends of the two reinforcing seats 223 are both fixedly connected to one frame strip 212 adjacent to the cut-off corner 211, and the inclined angle 221 is arranged on the outer side of one reinforcing seat 223 close to the cut-off corner 211. The flat portion 222 is supported by the two reinforcing seats 223, so that the flat portion 222 is not easily skewed. At the same time, the flat portion 222 can be stably connected to the frame strip 212 through the two reinforcing seats 223.

[0035] Among them, referring to Figure 1 , the flat portion 222 and the two reinforcing seats 223 are of an integrally formed structure and can be processed by extruding or cutting foam materials.

[0036] Further, referring to Figure 1 , the height of the reinforcing seat 223 is the same as the height of the frame strip 212, and the integrity is good.

[0037] Further, referring to Figure 1 , one end of the flat portion 222 and one end of the reinforcing seat 223 are both fixedly bonded to one frame strip 212 adjacent to the cut-off corner 211 by glue, which is convenient for assembly.

[0038] Further, referring to Figure 1 , the height of the flat portion 222 is less than 1 / 2 of the height of the frame strip 212, and preferably the height of the flat portion 222 is 1 / 3 of the height of the frame strip 212.

[0039] Further, referring to Figure 1 , the material of the fitting 220 is foam material or composed of foam material, ensuring that the fitting 220 can be elastically deformed sufficiently when being pressed, so as to realize reliable sealing between the fitting 220 and the inner wall of the filter element accommodating cavity 110, and the sealing effect is good.

[0040] In some embodiments, the material of the fitting 220 can also be silicone, rubber, latex, etc.

[0041] Further, referring to Figure 1 and Figure 2, the length of the fitting 220 in the moving-in direction is greater than or equal to 2 mm, ensuring the tightness of the fit and abutment between the fitting 220 and the inner wall of the filter element receiving cavity 110 near the broken corner.

[0042] Among them, referring to Figure 1 , the filter layer 210 can use paper or non-woven fabric as the filter medium, and the filter medium can include adsorbents, such as activated carbon. The border strip 212 can be a non-woven fabric border strip 212.

[0043] In another embodiment of the present utility model, referring to Figure 1 and Figure 2 , an air conditioner filter is further provided, which includes a filter housing 100 and the above-mentioned air conditioner filter element 200. The filter housing 100 has a filter element receiving cavity 110, and the filter element receiving cavity 110 has an opening 111. The air conditioner filter element 200 is installed in the filter element receiving cavity 110 from the opening 111, and the fitting 220 is in fit and abutment with the inner wall of the filter element receiving cavity 110 near the broken corner, so that the air conditioner filter element 200 is reliably sealed and accommodated in the filter element receiving cavity 110, which has extremely high practicability.

[0044] Furthermore, referring to Figure 1 and Figure 2 , two positioning posts 120 are provided at upper and lower intervals on the inner wall of the filter element receiving cavity 110 near the broken corner. The air conditioner filter element 200 is installed in the filter element receiving cavity 110 from the opening 111, and the flat part 222 is clamped between the two positioning posts 120, so that the air conditioner filter element 200 is stably installed and sealed in the filter element receiving cavity 110, and the structure is reliable.

[0045] In another embodiment of the present utility model, a first magic tape is provided on the border strip 212 close to the fitting 220, and a second magic tape is provided on the side of the fitting 220 close to the filter layer 210. One of the first magic tape and the second magic tape is a plush magic tape, and the other is a hook magic tape. The fitting 220 is detachably installed on the border strip 212 by the cooperation and adhesion of the first magic tape and the second magic tape. After being used for a certain period of time, the fitting 220 can be reused, and only the filter layer 210 needs to be replaced.

[0046] The rest of this embodiment is the same as that of the first embodiment. For the features not explained in this embodiment, the explanations of the first embodiment are adopted and will not be elaborated here.

[0047] The above content is a further detailed description of the present utility model in combination with specific preferred embodiments. It cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model belongs, without departing from the concept of the present utility model, its architecture form can be flexible and changeable, and a series of products can be derived. Just making several simple deductions or replacements should be regarded as belonging to the patent protection scope of the present utility model determined by the submitted claims.

Claims

1. An air conditioning filter element, used for being installed in a filter element accommodating cavity (110), wherein the air conditioning filter element can be installed into the filter element accommodating cavity (110) along a moving direction; It is characterized in that The air conditioning filter element comprises a filter layer (210) and a matching piece (220); the filter layer (210) is folded to be in a sawtooth shape and to form a plurality of sawtooth portions; the filter layer (210) has at least one cut-off corner (211); and a frame strip (212) is bonded to the outer edge of the filter layer (210); the matching piece (220) is a flexible piece or an elastic piece; the matching piece (220) is in a long strip shape and is installed on the frame strip (212) adjacent to the cut-off corner (211) along a moving-in direction; the matching piece (220) is provided with at least one oblique angle (221); the oblique angle (221) is consistent with the cut-off corner (211) and is smoothly connected; the matching piece (220) is in abutment with an inner wall of the filter element accommodating cavity (110) adjacent to the cut-off corner.

2. The air conditioning filter element according to claim 1, characterized in that: The matching piece (220) comprises a flat portion (222); the height of the flat portion (222) is smaller than the height of the frame strip (212); one end of the flat portion (222) is fixedly connected to a frame strip (212) adjacent to the cut-off corner (211); the flat portion (222) is used to be snap-fitted into a positioning groove of the filter element accommodating cavity (110) or between two positioning columns (120).

3. The air conditioning filter element according to claim 2, characterized in that: The matching piece (220) further comprises two reinforcing seats (223) respectively arranged at the two ends of the flat portion (222), one end of each of the two reinforcing seats (223) being fixedly connected to a border strip (212) adjacent to the cut-off corner (211), and the bevel (221) being arranged on the outer side of a reinforcing seat (223) adjacent to the cut-off corner (211).

4. The air conditioning filter element according to claim 3, characterized in that: The height of the reinforcing seat (223) is consistent with the height of the frame strip (212).

5. The air conditioning filter element according to claim 3, characterized in that: One end of the flat portion (222) and one end of the reinforcing seat (223) are both fixedly bonded to a frame strip (212) adjacent to the cut-off corner (211).

6. The air conditioning filter element according to claim 2, characterized in that: The height of the flat portion (222) is less than 1 / 2 of the height of the frame strip (212).

7. The air conditioning filter according to any one of claims 1 to 5, characterized in that: The matching piece (220) is made of foam material or is composed of foam material.

8. The air conditioning filter according to any one of claims 1 to 5, characterized in that: The length of the fitting piece (220) in the moving-in direction is greater than or equal to 2 mm.

9. An air conditioning filter, characterized in that: The invention comprises a filter housing (100) and an air conditioning filter element according to any one of claims 1 to 8; the filter housing (100) has a filter element accommodating chamber (110), the filter element accommodating chamber (110) has an opening (111), and the air conditioning filter element is installed in the filter element accommodating chamber (110) through the opening (111).

10. The air conditioning filter according to claim 9, characterized in that: Two positioning posts (120) are provided at intervals above and below the inner wall of the filter element accommodating cavity (110) adjacent to the broken corner.

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