Air purification fan filter unit

Abstract

The utility model discloses an air purification fan filter unit which comprises a fan body, an air inlet of the fan body is communicated with an air inlet assembly used for adjusting and controlling the air inlet, the top end of the air inlet assembly is communicated with a filter assembly capable of adjusting the filter strength, and the filter assembly comprises an auxiliary pipe communicated with the top end of the air inlet assembly. And the top end of the auxiliary pipe is fixedly connected with a guide pipe. According to the air purification fan filter unit, the top sealing ring block and the bottom sealing block are fixedly connected together through the lifting rod due to the arrangement of the filter assembly, it is guaranteed that when any one is sealed, the other one is certainly opened, and it is guaranteed that air can only pass through a common filter screen or continuously pass through the common filter screen and an enhanced filter screen; and all operations can be completed only by regulating and controlling the telescopic rod by a worker, so that the problems that the air pollution index is relatively high, relatively high filtering capacity is required, and sometimes, the air pollution index is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of filter units, in particular to an air purification fan filter unit. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine.

[0003] The patent with announcement number CN220707635U discloses a fan filter unit, especially a fan filter unit. In view of the existing problem that each time the unit needs to be opened for cleaning, the filter net needs to be removed for cleaning, which is time-consuming and labor-intensive, and it is difficult to replace the fan alone, the following scheme is proposed, which includes a filter fan, the bottom of the filter fan is clamped with two buckles, the top of the metal shell is provided with a fan slot, two filter nets are installed on the inner walls of both sides of the metal shell, one side of the two filter nets is slidably installed with a dust suction head, both sides of the two dust suction heads are provided with sliders, the two dust suction heads are provided with dust suction holes, the inner walls of the two dust suction holes are fixedly installed with corresponding telescopic suction pipes, and two sliding mechanisms are fixedly installed on the inner wall of one side of the metal shell. The patent can automatically clean the internal filter net through a built-in mechanism, and the fan can be replaced conveniently and quickly.

[0004] As shown in the above technology, the existing technology uses a movable snap-on structure to fix the filter. The snap-on connection is less firm during actual installation. In addition, during the actual operation of the fan, sometimes the air pollution index is high and a higher filtering capacity is required. Sometimes the air pollution index is low and the filtration system does not need to run at full load. The existing filtration system load cannot be adjusted and cannot adapt to the complex usage conditions in the actual environment. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an air purification fan filter unit, which solves the problems of low firmness of the snap connection during actual installation, and the inability to adjust the load of the existing filter system and adapt to complex usage conditions in the actual environment.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: an air purification fan filter unit, comprising a fan main body, an air inlet of the fan main body is connected to an air inlet assembly for regulating the air inlet, the top of the air inlet assembly is connected to a filter assembly capable of adjusting the filtering strength, the filter assembly comprises an auxiliary pipe connected to the top of the air inlet assembly, the top of the auxiliary pipe is fixedly connected to a guide pipe, the inner wall of the auxiliary pipe is fixedly connected to a fixing frame, one side of the surface of the fixing frame is fixedly connected to an embedded pipe, one side of the surface of the guide pipe is provided with a ventilation groove, the surface of the ventilation groove is movably connected to a top sealing ring block, the top of the top sealing ring block is fixedly connected to a stabilizing plate, the middle of the bottom of the stabilizing plate is fixedly connected to a lifting rod, the bottom end of the lifting rod is fixedly connected to a bottom sealing block, the middle of the top of the stabilizing plate is fixedly connected to a telescopic rod, the surface of the telescopic rod is fixedly connected to the inner wall of the guide pipe through a mounting plate, the inner wall of the guide pipe is fixedly connected to a common filter screen, and the inner wall of the auxiliary pipe is fixedly connected to an enhanced filter screen.

[0007] Preferably, the air inlet assembly includes a central tube connected to the fan body, and reinforcing ribs are arranged on the surface of the central tube.

[0008] Preferably, the surface of the central tube is connected to an extension tube, and reinforcing ribs are provided on the surface of the extension tube.

[0009] Preferably, the surface of the extension tube is connected to an external tube, and an electrically controlled valve is arranged inside the external tube.

[0010] Preferably, a limit plate is fixedly connected to the inner wall of the external pipe, and the limit plate is annular in shape.

[0011] Preferably, the inner wall of the external pipe is movably connected with a filter column, and the surface of the filter column is provided with anti-slip bumps.

[0012] Beneficial Effects

[0013] The utility model provides an air purification fan filter unit. Compared with the prior art, it has the following beneficial effects:

[0014] (1) The air purifier fan filter unit is connected to a filter assembly capable of adjusting the filter strength through the top of the air inlet assembly. The filter assembly includes an auxiliary pipe connected to the top of the air inlet assembly. The top of the auxiliary pipe is fixedly connected to a guide pipe. The inner wall of the auxiliary pipe is fixedly connected to a fixing frame. One side of the surface of the fixing frame is fixedly connected to an embedded pipe. One side of the surface of the guide pipe is provided with a ventilation groove. The surface of the ventilation groove is movably connected to a top sealing ring block. The top of the top sealing ring block is fixedly connected to a stabilizing plate. The middle of the bottom of the stabilizing plate is fixedly connected to a lifting rod. The bottom end of the lifting rod is fixedly connected to a bottom sealing block. The middle of the top of the stabilizing plate is fixedly connected to a telescopic rod. The surface of the telescopic rod is connected to the guide pipe through a mounting plate. The inner wall is fixedly connected, the inner wall of the guide pipe is fixedly connected with an ordinary filter, and the inner wall of the auxiliary pipe is fixedly connected with an enhanced filter. By utilizing the setting of the filter assembly, the top sealing ring block and the bottom sealing block are fixedly connected together by a lifting rod, ensuring that when either one is sealed, the other will be opened, ensuring that air can only pass through the ordinary filter or continuously pass through the ordinary filter and the enhanced filter, and all operations can be completed by the staff only needing to adjust the telescopic rod, which solves the problem that the air pollution index is high and a higher filtering capacity is required, and sometimes the air pollution index is low and the filtration system does not need to run at full load, and the existing filtration system load cannot be adjusted and cannot adapt to the complex usage conditions in the actual environment.

[0015] (2) The air purifying fan filter unit includes an air inlet component including a central tube connected to the fan body, a surface of the central tube is provided with reinforcing ribs, the surface of the central tube is connected to an extension tube, the surface of the extension tube is provided with reinforcing ribs, the surface of the extension tube is connected to an external tube, an electric control valve is provided inside the external tube, the inner wall of the external tube is fixedly connected to a limit plate, the limit plate is in a ring shape, the inner wall of the external tube is movably connected to a filter column, the surface of the filter column is provided with anti-slip bumps, the air is directly and completely filtered through the filter column by utilizing the setting of the air inlet component, the filter column is prevented from being pushed into the interior of the extension tube by the setting of multiple external tubes, the air intake stability is guaranteed, a large number of external tubes are installed on the surface of the extension tube, which ensures that when the device is in operation, even if the filter component stops working, the overall operation can be stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0019] Figure 4 It is a three-dimensional cross-sectional view of the filter assembly structure of the utility model.

[0020] In the figure: 1. Fan body; 2. Air inlet assembly; 21. Central tube; 22. Extension tube; 23. External tube; 24. Limiting plate; 25. Filter column; 3. Filter assembly; 31. Auxiliary tube; 32. Guide tube; 33. Fixed frame; 34. Embedded tube; 35. Ventilation slot; 36. Top sealing ring block; 37. Stabilizing plate; 38. Lifting rod; 39. Bottom sealing block; 310. Telescopic rod; 311. Ordinary filter; 312. Enhanced filter. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , the utility model provides two technical solutions:

[0023] Embodiment 1, an air purifying fan filter unit, comprises a fan body 1, an air inlet of the fan body 1 is connected to an air inlet assembly 2 for regulating the air inlet, the top of the air inlet assembly 2 is connected to a filter assembly 3 capable of adjusting the filtering strength, the filter assembly 3 comprises an auxiliary pipe 31 connected to the top of the air inlet assembly 2, the top of the auxiliary pipe 31 is fixedly connected to a guide pipe 32, the inner wall of the auxiliary pipe 31 is fixedly connected to a fixing frame 33, one side of the surface of the fixing frame 33 is fixedly connected to an embedded pipe 34, one side of the surface of the guide pipe 32 is provided with a ventilation groove 35, the ventilation groove 35 is located between the guide pipe 32 and the embedded pipe 34, the ventilation groove 35 is annular, the surface of the ventilation groove 35 is movably connected to a top sealing ring block 36, the top of the top sealing ring block 36 is fixedly connected to a stabilizing plate 37, the middle of the bottom of the stabilizing plate 37 is fixedly connected to a lifting rod 38, the bottom end of the lifting rod 38 is fixedly connected to a bottom sealing block 39, the middle of the top of the stabilizing plate 37 is fixedly connected to a telescopic rod 3 10. The surface of the telescopic rod 310 is fixedly connected to the inner wall of the guide tube 32 through a mounting plate. The inner wall of the guide tube 32 is fixedly connected with an ordinary filter 311. The top of the ordinary filter 311 is at a certain distance from the top of the inner wall of the guide tube 32 to facilitate air passage. The inner wall of the auxiliary tube 31 is fixedly connected with a reinforced filter 312. By utilizing the setting of the filter assembly 3, the top sealing ring block 36 and the bottom sealing block 39 are fixedly connected together through the lifting rod 38, ensuring that when any one is sealed, the other will definitely be opened, ensuring that air can only pass through the ordinary filter 311 or continuously pass through the ordinary filter 311 and the reinforced filter 312, and all operations can be completed by the staff only needing to adjust the telescopic rod 310, which solves the problem that the air pollution index is high and a higher filtering capacity is required, and sometimes the air pollution index is low and the filtering system does not need to run at full load, and the existing filtering system load cannot be adjusted and cannot adapt to the complex usage conditions in the actual environment.

[0024] Embodiment 2 mainly differs from Embodiment 1 in that: an air purifying fan filter unit, an air inlet component 2 comprises a central tube 21 connected to a fan body 1, a reinforcing rib is arranged on the surface of the central tube 21, an extension tube 22 is connected to the surface of the central tube 21, a reinforcing rib is arranged on the surface of the extension tube 22, an external tube 23 is connected to the surface of the extension tube 22, an electric control valve is arranged inside the external tube 23, a limit plate 24 is fixedly connected to the inner wall of the external tube 23, the limit plate 24 is annular in shape, a filter column 25 is movably connected to the inner wall of the external tube 23, and anti-slip bumps are arranged on the surface of the filter column 25, by utilizing the arrangement of the air inlet component 2, the air is directly and completely filtered through the filter column 25, the filter column 25 is prevented from being pushed into the interior of the extension tube 22 by the arrangement of a plurality of external tubes 23, the air intake stability is guaranteed, a large number of external tubes 23 are installed on the surface of the extension tube 22, ensuring that when the device is in operation, even when the filter component 3 stops working, the overall stable operation can be ensured.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0026] During operation, when the pollution intensity is not high, the telescopic rod 310 is extended, and the air enters through the top of the guide tube 32. After being filtered by the ordinary filter screen 311, it is directly guided into the fan body 1 through the embedded tube 34. When the pollution intensity is high, the telescopic rod 310 is retracted to drive the stabilizing plate 37 and the top sealing ring block 36 to move upward, and the top sealing ring block 36 is separated from the ventilation groove 35. After the air enters through the top of the guide tube 32, it is first filtered by the ordinary filter screen 311, and then filtered by the enhanced filter screen 312 through the ventilation groove 35, and finally introduced into the fan body 1 through the auxiliary pipe 31. When working through the external pipe 23, the valve on one side of the external pipe 23 is opened. After the air passes through the filter column 25, when the filter column 25 is dirty, the filter column 25 is pulled outward and removed from the external pipe 23. Then one side of the filter column 25 is fitted with the surface of the limit plate 24. When the device is fully operational, the device is restored.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air purification fan filter unit, comprising a fan body (1), characterized in that: The air inlet of the fan body (1) is connected to an air inlet assembly (2) for regulating the air inlet; the top of the air inlet assembly (2) is connected to a filter assembly (3) capable of adjusting the filtering strength; the filter assembly (3) comprises an auxiliary pipe (31) connected to the top of the air inlet assembly (2); the top of the auxiliary pipe (31) is fixedly connected to a guide pipe (32); the inner wall of the auxiliary pipe (31) is fixedly connected to a fixing frame (33); one side of the surface of the fixing frame (33) is fixedly connected to an embedded pipe (34); one side of the surface of the guide pipe (32) is provided with a ventilation groove (35); the surface of the ventilation groove (35) is movably connected to the guide pipe (32). A top sealing ring block (36) is connected, the top of the top sealing ring block (36) is fixedly connected to a stabilizing plate (37), the middle of the bottom of the stabilizing plate (37) is fixedly connected to a lifting rod (38), the bottom end of the lifting rod (38) is fixedly connected to a bottom sealing block (39), the middle of the top of the stabilizing plate (37) is fixedly connected to a telescopic rod (310), the surface of the telescopic rod (310) is fixedly connected to the inner wall of the guide tube (32) through a mounting plate, the inner wall of the guide tube (32) is fixedly connected to a common filter screen (311), and the inner wall of the auxiliary tube (31) is fixedly connected to an enhanced filter screen (312).

2. The air purification fan filter unit according to claim 1, characterized in that: The air inlet assembly (2) comprises a central tube (21) connected to the fan body (1), and reinforcing ribs are arranged on the surface of the central tube (21).

3. The air purification fan filter unit according to claim 2, characterized in that: The surface of the central tube (21) is connected to an extension tube (22), and reinforcing ribs are arranged on the surface of the extension tube (22).

4. The air purification fan filter unit according to claim 3, characterized in that: The surface of the extension tube (22) is connected to an external tube (23), and an electric-controlled valve is arranged inside the external tube (23).

5. The air purification fan filter unit according to claim 4, characterized in that: The inner wall of the external pipe (23) is fixedly connected to a limiting plate (24), and the limiting plate (24) is annular in shape.

6. The air purification fan filter unit according to claim 4, characterized in that: The inner wall of the external pipe (23) is movably connected to a filter column (25), and the surface of the filter column (25) is provided with anti-slip protrusions.

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