CN218774489U - Fresh air inlet filtering structure - Google Patents

Abstract

The utility model relates to a fresh air inlet filtering structure, which comprises a filtering frame body and a slot, wherein the filtering frame body comprises a steel wire mesh, filtering cotton and a pressing frame, the steel wire mesh, the filtering cotton and the pressing frame are arranged in sequence and are connected through a screw and a nut; the slot sets up on the flange in pipeline fresh air inlet, the filter frame body matches inserts in the slot. The fresh air inlet filtering structure of the utility model is convenient to replace or clean the filtering cotton, and the filtering frame body is an integrated structure, so that the filtering frame body can be replaced only by taking out the filtering frame body from the slot and then opening the nut, and only one person is needed to complete the operation, thereby saving energy and labor; the assembly and disassembly are simple, and tools are not needed; the filter cotton replacement work is completed on the ground or indoors, and inconvenience of high-altitude falling and outdoor operation is avoided.

Description

Fresh air inlet filtering structure

Technical Field

The utility model relates to a cross the filter pulp structure, especially relate to a fresh air inlet filtration.

Background

The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system and is divided into a pipeline type fresh air system and a pipeline-free fresh air system. The pipeline type fresh air system consists of a fresh air fan and pipeline accessories, outdoor air is purified by the fresh air fan and is led into a room, and indoor air is discharged through a pipeline; the ductless fresh air system is composed of a fresh air fan, and the fresh air fan is used for purifying outdoor air and guiding the outdoor air into a room. Whether the pipeline type fresh air system or the ductless fresh air system leads the purified outdoor air into the room. Therefore, the fresh air inlet of the fresh air system needs a filtering structure.

The conventional filtering structure shown in fig. 4-6 includes a steel wire mesh, filtering cotton and a pressing frame; however, the steel wire mesh, the filter cotton and the pressing frame are mutually independent parts, and the three parts are fixed on the flange one by using common bolts, so that time and labor are wasted in installation; the filter structure needs to be cleaned and replaced regularly, and the filter structure can be taken out only after the bolt is dismounted by using a wrench every time of cleaning or replacing, so that the operation is very inconvenient, and more than two persons are often matched to complete the dismounting and mounting of the filter cotton; meanwhile, the fresh air port has a certain height, so that certain danger exists in high-altitude operation.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a fresh air inlet filtration.

The utility model provides a technical scheme that its technical problem adopted is: a fresh air inlet filtering structure comprises a filtering frame body and a slot, wherein the filtering frame body comprises a steel wire mesh, filtering cotton and a pressing frame, and the steel wire mesh, the filtering cotton and the pressing frame are sequentially arranged and connected through screws and nuts;

the slot sets up on the flange of pipeline fresh air inlet, filter the inserting in the slot that the framework matches.

In a preferred embodiment of the present invention, the slot is welded to a flange of the duct fresh air inlet.

In a preferred embodiment of the present invention, a handle is disposed on one side of the steel wire mesh.

In a preferred embodiment of the present invention, the pressing frame is a square structure, which comprises a body, an upright connecting rod and a transverse connecting rod are arranged in the body, the upright connecting rod and the transverse connecting rod are arranged vertically, the inner top end and the inner bottom end of the body are respectively connected to the two ends of the upright connecting rod, and the inner left end and the inner right end of the pressing frame are respectively connected to the two ends of the transverse connecting rod.

In a preferred embodiment of the present invention, the vertical connecting rod, the horizontal connecting rod and the body are integrally formed.

In a preferred embodiment of the present invention, the insertion groove is a square structure matching with the pressing frame, the insertion groove includes an upper insertion strip, a lower insertion strip, a right insertion strip and a left opening, and the filter frame body is inserted into the insertion groove from the left opening.

In a preferred embodiment of the present invention, the cross-sections of the upper, lower and right inserts are u-shaped structures.

In a preferred embodiment of the present invention, the nut is a wing nut.

The utility model has the advantages that: the fresh air inlet filtering structure of the utility model is convenient to replace or clean the filtering cotton, and the filtering frame body is an integrated structure, so that the filtering frame body can be replaced only by taking out the filtering frame body from the slot and then opening the nut, and only one person is needed to complete the operation, thereby saving energy and labor; the assembly and disassembly are simple, and tools are not needed; the filter cotton replacement work is completed on the ground or indoors, and inconvenience of high-altitude falling and outdoor operation is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the assembly structure of the present invention;

FIG. 3 is a schematic view of the structure of the filtering frame body of the present invention;

FIG. 4 is a first schematic view of an installation of a prior art filter structure;

FIG. 5 is a second schematic view of a prior art filter arrangement;

FIG. 6 is a schematic view of a prior art filter structure after installation;

in the figure: a filter frame body 1; a steel wire mesh 101; a filter cotton 102; pressing the frame 103; a body 1031; a vertical connecting rod 1032; a horizontal connecting bar 1033; a slot 2; an upper cutting 201; a lower cutting 202; a right cutting 203; a left opening 204; a handle 3; a screw 4; a nut 5; a flange 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1 to 3, the fresh air inlet filtering structure includes a filtering frame body 1 and an insertion groove 2, the filtering frame body 1 includes a steel wire mesh 101, filter cotton 102 and a pressing frame 103, and the steel wire mesh 101, the filter cotton 102 and the pressing frame 103 are sequentially arranged and connected with each other through a screw 4 and a nut 5;

the slot 2 is arranged on a flange 6 of a pipeline fresh air inlet, and the filtering frame body 1 is inserted into the slot 2 in a matched mode.

When the utility model is used, firstly, the steel wire mesh, the filter cotton and the pressing frame are placed in sequence, then the connection between the steel wire mesh, the filter cotton and the pressing frame is realized through the screw and the nut, specifically, connecting holes can be arranged at the corresponding positions of the steel wire mesh, the filter cotton and the pressing block, the screw penetrates through the filter cotton and the pressing frame in sequence after being inserted from one end of the steel wire mesh, and then the fixation of the steel wire mesh, the filter cotton and the pressing frame is realized through the nut to form the whole body of the filtering frame body; as a preferred embodiment, nut 5 in this application is the thumb nut, and the workman's of being convenient for hand direct operation compares in the ordinary nut that needs to adopt the spanner just before can the dismouting, and thumb nut labour saving and time saving has improved the dismouting efficiency of filtering the framework. Then set up the slot on the flange 6 of pipeline fresh air inlet, as an preferred embodiment, in this application the slot welding sets up on the flange of pipeline fresh air inlet, has improved the joint strength between slot and the flange, has improved the stability after the filtration assembly, guarantees user's safety in utilization. Then the filtering frame body is inserted into the slot from one end of the slot, and the installation of the filtering structure is completed.

When the filter cotton needs to be cleaned, the filter frame body is only required to be pulled out of the slot, and then the filter frame body is placed on a table top convenient to operate, for example, the disassembled filter frame body can be directly placed on the ground, then the filter frame body is cleaned by compressed air, and the filter frame body can be directly inserted into the slot again after being cleaned; when the filter cotton needs to be replaced, the filter frame body is also pulled out from the slot and placed on the ground, workers only need to unscrew the butterfly nut by hands, the filter cotton located between the steel wire mesh and the pressing frame is taken out, after the new filter cotton is replaced, the butterfly nut is used for fixing the steel wire mesh, the new filter cotton and the pressing frame, and then the filter cotton is inserted into the slot.

The filtering structure of the utility model is convenient to replace or clean the filtering cotton, and saves time; only one person is needed to complete the operation, so that the energy is saved and the labor is saved; the assembly and disassembly are simple, and tools are not needed; the filter cotton can be replaced on the ground or indoors, so that the inconvenience of high-altitude falling and outdoor operation can be avoided.

As a preferred embodiment, in this application be equipped with handle 3 on wire net 101 one side, the setting of handle 3 is convenient for take and place and filter the framework, improves the convenience of filtering the framework installation and dismantling.

As a preferred embodiment, the pressing frame 103 in the present application is a square structure, and includes a body 1031, a vertical connecting rod 1032 and a horizontal connecting rod 1033 are provided in the body 1031, the vertical connecting rod 1032 and the horizontal connecting rod 1033 are vertically disposed, more preferably, the intersection of the vertical connecting rod and the horizontal connecting rod is located at the central point of the pressing frame, the two ends of the vertical connecting rod 1032 are respectively connected to the inner top end and the inner bottom end of the body, the two ends of the horizontal connecting rod 1033 are respectively connected to the inner left end and the inner right end of the pressing frame, and the vertical connecting rod 1032 and the horizontal connecting rod 1033 are provided to support the body 1031, thereby increasing the structural strength of the body. In this application erect connecting rod 1032, horizontal connecting rod 1033 and body 1031 integrated into one piece setting, improved the wholeness and the structural stability of pressing the frame, the life of extension pressure frame.

In a preferred embodiment, the slot 2 has a square structure matching with the pressing frame, the slot 2 includes an upper insert 201, a lower insert 202, a right insert 203, and a left opening 204, and the filter frame 1 is inserted into the slot from the left opening. The cross-sections of the upper inserting bar, the lower inserting bar and the right inserting bar are U-shaped structures, so that the U-shaped structures are conveniently matched with the outer wall of the filtering frame body, and the filtering frame body is matched and accommodated in a replacement mode. The upper and lower cutting parallel arrangement, when the handheld handle of workman will filter the framework and get into the slot from left opening in, the top and the bottom of filtering the framework remove along upper and lower cutting respectively, realize when filtering the framework and the right cutting of handle relative one end butt and assemble in place, complete assembly.

The fresh air inlet filtering structure of the utility model is convenient to replace or clean the filtering cotton, and the filtering frame body is an integrated structure, so that the filtering frame body can be replaced only by taking out the filtering frame body from the slot and then opening the nut, and only one person is needed to complete the operation, thereby saving energy and labor; the disassembly and the assembly are simple without tools; the filter cotton replacement work is completed on the ground or indoors, and inconvenience of high-altitude falling and outdoor operation is avoided.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims (8)

1. A fresh air inlet filtering structure is characterized by comprising a filtering frame body and slots, wherein the filtering frame body comprises a steel wire mesh, filtering cotton and a pressing frame, the steel wire mesh, the filtering cotton and the pressing frame are sequentially arranged and are connected through screws and nuts;

the slot sets up on the flange in pipeline fresh air inlet, the filter frame body matches inserts in the slot.

2. The fresh air inlet filtering structure as claimed in claim 1, wherein the insertion groove is welded to a flange of the pipeline fresh air inlet.

3. The fresh air inlet filtering structure as claimed in claim 1, wherein a handle is provided on one side of the steel wire mesh.

4. The fresh air inlet filtering structure according to claim 1, wherein the pressure frame is a square structure and comprises a body, wherein a vertical connecting rod and a horizontal connecting rod are arranged in the body, the vertical connecting rod and the horizontal connecting rod are vertically arranged, two ends of the vertical connecting rod are respectively connected with the inner top end and the inner bottom end of the body, and two ends of the horizontal connecting rod are respectively connected with the inner left end and the inner right end of the pressure frame.

5. The fresh air inlet filtering structure according to claim 4, wherein the vertical connecting rods, the transverse connecting rods and the body are integrally formed.

6. The fresh air inlet filtering structure according to claim 4, wherein the insertion groove is a square structure matched with the pressing frame, the insertion groove comprises an upper insertion strip, a lower insertion strip, a right insertion strip and a left opening, and the filtering frame body is inserted into the insertion groove from the left opening.

7. The fresh air port filtering structure of claim 6, wherein the sections of the upper inserting bar, the lower inserting bar and the right inserting bar are U-shaped structures.

8. The fresh air inlet filter structure as claimed in any one of claims 1 to 7, wherein the nut is a wing nut.

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