JP3240762U - air filter for fan - Google Patents

Abstract

A fan air filter includes a filter frame and a filter member. A fan air filter (100) includes a filter frame (10) and a filter member (20), the filter frame comprising a first frame strip (11), a second frame strip (12), a first frame strip and a second frame strip. and at least two side connecting strips 13 installed to connect the filter frame and a plurality of locking members installed on the filter frame. The first frame strip and the second frame strip are arcuate and the first frame strip and the second frame strip are parallel to each other. That is, they are concentric arcs separated by equal distances. A filter member is mounted on the filter frame and has a first filtering region 21 and a second filtering region 22 that are connected. [Selection drawing] Fig. 1

Description

TECHNICAL FIELD The present invention relates to a filter structure, and more particularly to a filter structure fixed to a fan.

With the development of industry, the demand for energy also increases, and the waste discharged into the air turns into air pollutants. Generally speaking, air pollutants are substances in the air that have harmful effects on humans and the ecological environment. It can be natural or man-made.

There is still no effective treatment method for pollutants in the air in an open outdoor environment, and at present, filtration nets are mainly used to filter pollutants in the indoor air in the indoor space where we are in every day. . Commonly used devices for indoor air circulation include, for example, air-conditioning temperature control devices such as coolers and heaters, circulation fans and fans, etc., and filter nets can be installed in the devices to filter the air. In many cases, the airflow generated by such an airflow circulation device can be passed through a filtration mesh to provide a filtered gas.

However, the inventor of the present invention has found that the installation position of the filter net in the airflow circulation device is limited, and the relationship between the structure of the filter net and the direction of the air flow determines the air flow rate that passes through substantially, and the overall filtration I have found that the effects vary. In view of this, the problem to be solved by the present invention is how to make the installation position of the filtering net more flexible and ensure its filtering effect.

SUMMARY OF THE INVENTION The main object of the present invention is to provide a fan air filter for filtering the airflow passing through the fan and installed on the fan mesh, the filter comprising a first frame strip and a second frame strip. , at least two side connecting strips positioned to connect said first frame strip and said second frame strip, and between said first frame strip and said second frame strip. at least one filter member installed and fixed to the fan mesh via a plurality of locking members installed on the filter frame, on a side of each of the side connecting strips proximate to the second frame strip. is provided with a curved connecting portion that bends to the fan mesh, thereby forming a curved frame portion near the second frame strip of the filter frame to form an airflow space between the curved frame portion and the fan mesh; This contributes to filtering the airflow through the filter member.

According to an embodiment of the invention, the side of each of the side connecting strips closer to the first frame strip is a connecting portion connected to the curved connecting portion, and the first frame strip and the second frame strip are connected to the curved connecting portion. The frame strips lie on different planes.

According to an embodiment of the invention, the filter member has a first filtering area between two adjacent connecting segments for filtering the passing airflow.

According to an embodiment of the present invention, the filter member has a second filtering area on the curved frame portion, the second filtering area is connected to one side of the first filtering area, and the second filtering area is connected to one side of the first filtering area. Two filtering areas are curved toward the fan mesh with the curved frame portion and filter the passing airflow.

According to one embodiment of the invention, the second frame strip is arcuate.

According to an embodiment of the present invention, the end of the locking member is provided with an open fitting groove for fitting the mesh strip of the fan mesh.

According to one embodiment of the invention, the filter member has an antimicrobial filtration layer.

According to one embodiment of the invention, the filter member comprises a deodorizing filter layer.

According to one embodiment of the invention, the filter member comprises a pollen filtering layer.

The fan air filter according to the present invention can be fixed at any position on the fan mesh, and the curved frame portion that curves and protrudes on one side of the filter frame creates an airflow space through which the airflow passes through the filter member. By providing, the air filtration efficiency can be enhanced, and the different filtration layers of the filter member can be used to achieve the corresponding filtering effect, such as antibacterial, deodorizing and cuffing, removing suspended particulates, etc. Repeated circulation filtration further improves air quality.

Each feature and component in the figures is not drawn to scale, and the drawing scheme is only intended to best illustrate the specific features and components associated with the present invention. It should be noted that the same or similar component numbers in different figures refer to the same or similar components and parts.
1 is a perspective schematic view of one side of a preferred embodiment of the present invention; FIG. FIG. 3 is a perspective schematic view of the other side of the preferred embodiment of the present invention; 1 is a top view of the preferred embodiment of the present invention; FIG. FIG. 4 is an exploded schematic view when the filter member is sandwiched between the fan air filters. FIG. 4 is a schematic view of the present invention when assembled and used on the back of a fan;

In order to make the technical content of the present invention more detailed and complete, the following describes the embodiments and specific examples of the present invention. Or, it is not the only form of application, and a person skilled in the art can easily and clearly grasp the necessary technical content of the present invention through the following description, and different uses and applications without violating its spirit and scope Various changes and modifications can be made to the above invention according to circumstances, and such embodiments also fall within the scope of the present application.

In describing the present invention, "one" and "said" may also be interpreted as plural, unless the context clearly indicates otherwise.

In describing the invention, unless the context clearly dictates otherwise, the terms "comprise," "comprise," "have," or "have" are inclusive or open and include other elements or methods not mentioned. steps are not excluded.

In the description of the present invention, "middle", "top", "bottom", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", Orientation or positional terms such as "inside" and "outside" are based on the orientation or positional relationship shown in the drawings and are merely for the purpose of facilitating and simplifying the description of the present invention. It does not indicate or imply that such devices or components must have a particular orientation or be configured or operated in a particular orientation and should not be construed as a limitation on the invention.

In the description of the present invention, "installation", "attachment", "coupling", "connection", "fixation", etc. should be understood broadly, e.g., fixed connection, removable connection, mechanical connection, direct connection, It may be an indirect connection through an intermediate mediator. A person skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation.

As used herein, "fan mesh" means a case for housing blades in a conventional fan. Specifically, the surface of the fan mesh preferably consists of a plurality of mesh strips, with gaps between the mesh strips, and each of the mesh strips is arcuate.

1 and 2 show perspective schematic views of one side and the other side of the preferred embodiment of the present invention. A fan air filter 100 for filtering airflow passing through a fan includes a filter frame 10 and a filter member 20. The filter frame 10 includes a first frame strip 11, a second frame strip 12, and a first frame strip. At least two side connecting strips 13 installed to connect the strip 11 and the second frame strip 12 , and a plurality of locking members 14 installed on the filter frame 10 .

In this embodiment, the first frame strip 11 and the second frame strip 12 are arc-shaped, preferably the first frame strip 11 and the second frame strip 12 are parallel to each other. That is, they are concentric arcs separated by equal distances. In the present invention, the length of the first frame strip 11 is longer than the length of the second frame strip 12 . However, the relationship between the lengths of the first frame strip 11 and the second frame strip 12 and the specific shapes of the first frame strip 11, the second frame strip 12 and the side connecting strips 13 are not limited.

The side connecting strip 13 includes a connecting portion 131 and a curved connecting portion 132, in the side connecting strip 13, the side closer to the second frame strip 12 is a curved connecting portion 132 that bends to the fan mesh, while the first frame The side closer to the strip 11 is the connecting portion 131 connected to the curved connecting portion 132 . Specifically, the side connecting strip 13 is connected to the first frame strip 11 with a connecting portion 131 , while connected to the second frame strip 12 with a curved connecting portion 132 . Furthermore, due to the curved configuration of the curved connection 132, the second frame strip 12 lies on a different plane than the first frame strip 11, as shown in FIG. In the direction of the second frame strip 12, a curved frame portion 101 is formed which curves and protrudes as shown in the area shown in FIG.

A filter member 20 is installed on the filter frame 10, and the filter member 20 has a first filtering area 21 and a second filtering area 22 that are connected. Two filtering areas are divided corresponding to respective connecting positions, a first filtering area 21 is installed between two adjacent said first frame strips 11 to filter the passing airflow, and a second The filtering area 22 is located between the curved frame part 101, ie two adjacent curved connecting parts 132, and the second filtering area 22 and the curved frame part 101 together curve towards the fan mesh to direct the passing airflow. Filter.

In this embodiment, three side connecting strips 13 are installed to connect the first frame strip 11 and the second frame strip 12, but there are two side connecting strips 13, eg left and right in FIG. Side connecting strips 13 on both sides may connect between the first frame strip 11 and the second frame strip 12, and the filter member 20 and the first frame strip 11, the second frame strip 12 and the side connecting strips 13 may be connected. The fixing method includes, but is not limited to, a form in which the filter member 20 is sandwiched between the filter frames 10 or the filter member 20 is fitted inside the filter frame 10 . According to a preferred embodiment, as shown in FIG. 4, the fan air filter of the present invention includes an outer filter part 102 and an inner filter part 103 which are engageable with each other, wherein the outer filter part 102 and the inner filter part 103 The filter member 20 is sandwiched between the outer filter portion 102 and the inner filter portion 103 so that the filter member 20 can be easily sandwiched between the engaging surfaces of the outer filter portion 102 and the inner filter portion 103. The engaging surface is provided with protrusions and holes having corresponding shapes, and the filter member 20 is provided with filter holes 23 corresponding to the shapes of the protrusions and holes. However, the present invention does not limit the specific engagement method and engagement structure. Thus, without being bound by any particular theory, the fan air filter is apt to replace the filter member 20 when in use. In addition, the outer filter part 102 and the inner filter part 103 also include first frame strips 11, 11a, second frame strips 12, 12a and side connecting strips 13, 13a, and the locking member 14 is the inner filter It is located on another of the opposing engagement surfaces of portion 103 . Meanwhile, the filter member 20 may include an antibacterial filter layer, a deodorizing filter layer, a pollen filter layer and/or a suspended particulate filter layer according to actual needs. Or the installation order is not restricted.

FIG. 5 shows the state of assembling and using one embodiment of the present invention, wherein a plurality of locking members 14 installed on the filter frame 10 are fixed to the fan mesh A on the back side of the fan. In this embodiment, the locking member 14 is installed on the first frame strip 11 and the second frame strip 12 protrudes towards the fan mesh A. As shown in FIG. Since an open fitting groove 141 is provided at the end of the locking member 14, by fitting the mesh strip of the fan mesh A into this fitting groove 141, the fan air filter 100 can be attached to any position of the fan mesh. , and the number of fan air filters 100 fixed to the fan mesh A is not limited in the present invention.

After the fan air filter 100 is fixed to the fan mesh, the filter frame 10 is formed with a curved frame portion 101 that curves and protrudes in the direction of the second frame strip 12, so that the curved frame portion 101 and the fan An airflow space is formed between the mesh and contributes to filtering the airflow through the filter member 20 .

The filter frame 10 is assembled to the fan mesh at an oblique angle during assembly due to the curved frame portion 101 projecting curvedly so that the first frame strip 11 contacts the fan mesh via the locking member 14 . Also, the locking member 14 can form a fitting groove 141 in its body without extending outward, and contributes to airflow filtering the filter member 20 .

As described above, compared with the prior art, the fan air filter 100 of the present invention can be fixed at any position of the fan mesh, and the curved frame that is curved and projected on one side of the filter frame 10 The portion 101 provides an airflow space for the airflow to pass through the filter member 20 to enhance the air filtration efficiency, and the different filtration layers of the filter member 20 can be utilized to achieve corresponding filtering effects, such as antibacterial, deodorizing, and so on. It can perform functions such as removing pollen and suspended fine particles, and repeats circulation filtration to further improve air quality.

Although the present invention has been described in detail above, the above are only preferred embodiments and examples of the present invention, and are not intended to limit the scope of the present invention. Various changes and modifications may be made to the above invention to accommodate various usages and situations without departing from the spirit and scope, and such embodiments also fall within the scope of the present application.

REFERENCE SIGNS LIST 100 fan air filter 101 curved frame portion 102 outer filter portion 103 inner filter portion 10 filter frame 11 first frame strip 11a first frame strip 12 second frame strip 12a second frame strip 13 side connection strip 13a side connection strip 131 connection Part 132 Curved connection part 14 Locking member 141 Fitting groove 20 Filter member 21 First filtration area 22 Second filtration area 23 Filter hole A Fan mesh

Claims (10)

A fan air filter provided on a fan mesh and for filtering airflow passing through the fan, comprising:
a filter frame comprising a first frame strip, a second frame strip, and at least two side connecting strips arranged to connect the first frame strip and the second frame strip;
at least one filter member installed between the first frame strip and the second frame strip and fixed to the fan mesh via a plurality of locking members installed on the filter frame;
Each of the side connection strips is provided with a curved connection portion that bends to the fan mesh on the side near the second frame strip, thereby forming a curved frame portion near the second frame strip of the filter frame. ,
An air filter for a fan, wherein an airflow space is formed between the curved frame portion and the fan mesh to help filter airflow through the filter member. A side of each of the side connecting strips closer to the first frame strip is a connecting portion connected to the curved connecting portion, and the first frame strip and the second frame strip lie on different planes. The fan air filter according to claim 1. 3. A fan air filter according to claim 2, wherein said filter member has a first filtering area between two adjacent said connecting portions for filtering an airflow passing therethrough. The filter member has a second filtering region on the curved frame portion, the second filtering region is connected to one side of the first filtering region, and the second filtering region is connected with the curved frame portion. 4. The fan air filter of claim 3, curved toward the fan mesh and filtering airflow passing therethrough. 2. The fan air filter of claim 1, wherein said second frame strip is arcuate. The fan air filter according to claim 1, wherein an end of the locking member is provided with an open fitting groove for fitting a mesh strip of fan mesh. 2. The fan air filter of claim 1, wherein the filter member includes an antimicrobial filtration layer. 2. The fan air filter of claim 1, wherein the filter member includes a deodorizing filter layer. 2. A fan air filter according to claim 1, wherein said filter member includes a pollen filtering layer. 2. A fan air filter according to claim 1, wherein said filter member comprises a suspended particulate filtration layer.

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