Novel filtering fan box

By designing detachable filter components and a magnetic card block structure, the problems of easy clogging and high maintenance costs of traditional filter fan boxes are solved, allowing users to replace filter components themselves, reducing maintenance costs and clogging.

CN223854483UActive Publication Date: 2026-01-30TAIZHOU SIHE FAN CO LTD
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Patent Information

Application Number
CN202520444630.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-30
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Traditional filter fan boxes are prone to clogging and have high maintenance costs, and filter components are not easy to replace.

Method used

A detachable filter assembly was designed, employing magnetic blocks and an elastic snap-fit ​​structure. The filter frame can be quickly installed and removed through the cooperation of the magnetic blocks and snap-fit ​​slots. The filter frame is made of elastic material, making it convenient for users to replace.

Benefits of technology

It reduces maintenance costs, minimizes fan box blockage, and allows users to replace filter components themselves, thus improving the ease of equipment maintenance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223854483U_ABST
    Figure CN223854483U_ABST
Patent Text Reader

Abstract

The utility model provides a novel filtering fan box, and belongs to the technical field of fans. The filter fan box solves the problems that most of traditional filter fan boxes adopt materials such as fiber filter screens or activated carbon for air purification, blockage is prone to occurring, the maintenance cost is high, and replacement is not easy. The novel filtering fan box comprises a base, a motor located on the base, a fan box body arranged on one side of the motor, an air cavity formed in the fan box body, an impeller located on a motor shaft of the motor and used for increasing gas pressure and flow velocity, the impeller arranged in the air cavity, and an air inlet used for air inlet and an air outlet used for air outlet formed in the fan box body. The air inlet and the air outlet are communicated with the air cavity, a fixing seat is arranged on the air inlet, a filtering assembly used for filtering impurities is arranged on the air inlet, and a filtering frame and a filtering net are arranged on the filtering assembly. The utility model has the advantage of being convenient to disassemble.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to fan technical field, especially relate to a novel filter fan case. BACKGROUND

[0002] Fan is relied on the input mechanical energy, improves gas pressure and sends gas and is a kind of driven fluid machinery. Fan is the habit of Chinese gas compression and gas conveying machinery, the fan usually includes ventilator, air blower, wind turbine.

[0003] With the acceleration of industrialization and urbanization, air pollution problem is increasingly serious, filter fan case as air purification equipment important component, its performance directly influences indoor air quality;Traditional filter fan case is mostly used fiber filter screen or activated carbon and so on to carry out air purification, and there is the problem of easy blockage, high maintenance cost and not easy to replace. SUMMARY

[0004] The utility model discloses a novel filter fan case to solve the above problems in prior art

[0005] The utility model discloses a novel filter fan case, including base, be installed with motor on base, its characterized in that, the motor side is provided with fan case, the fan case has the wind cavity in, be provided with the impeller for increasing gas pressure and flow rate on the motor shaft of motor, and the impeller is arranged in the wind cavity, the fan case is provided with the air inlet for air inlet and the air outlet for air outlet, the air inlet and air outlet are connected with wind cavity, the air inlet has fixed seat, the air inlet is provided with the filter assembly for filtering impurity, the filter assembly is provided with filter frame and filter screen, the filter frame is provided with magnetic clamping block, and the magnetic clamping block and filter frame are connected through spring, the air outlet is provided with the clamping groove for placing magnetic clamping block, be provided with through -hole on the clamping groove, the through -hole is provided with movable magnetic block.

[0006] In the above-mentioned novel filter fan case, the filter frame is provided with clamping portion at both ends, the clamping portion has U-shaped clamping groove, the filter frame is installed on the fixed seat through the U-shaped clamping groove, the U-shaped clamping groove is provided with clamping block, and the fixed seat is provided with stable groove for clamping block fixation.

[0007] In the above-mentioned novel filter fan case, the fixed seat is provided with bolt hole, and the filter frame is provided with mounting hole corresponding to the bolt hole.

[0008] In the above-mentioned novel filter fan case, the filter assembly is in whole arc shape in cross section.

[0009] The clamping part is made of elastic material.

[0010] Compared with the prior art, the novel filter fan box has the advantages that the filter assembly is detachable, so that the user can easily replace the filter assembly without professional assistance when the filter assembly is blocked or needs to be repaired or replaced, thereby reducing maintenance cost and reducing fan box blockage. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a sectional view of the novel filter fan box.

[0012] Figure 2 is a partial sectional view of the novel filter fan box.

[0013] In the drawings, 1 is a base, 2 is a motor, 3 is a fan box, 4 is a wind cavity, 5 is an impeller, 6 is an air inlet, 7 is an air outlet, 8 is a fixing seat, 9 is a filter assembly, 10 is a filter frame, 11 is a filter screen, 12 is a magnetic clamping block, 13 is a spring, 14 is a clamping groove, 15 is a through hole, 16 is a magnetic block, 17 is a clamping part, 18 is a U-shaped clamping groove, 19 is a clamping block, 20 is a stabilizing groove, 21 is a bolt hole, 22 is a mounting hole, and 23 is a motor shaft. DETAILED DESCRIPTION

[0014] The following is a specific embodiment of the present application and further describes the technical solution of the present application in combination with the drawings, but the present application is not limited to these embodiments.

[0015] As shown in Figure 1 , Figure 2 , the novel filter fan box 3 comprises a base 1, a motor 2 is mounted on the base 1, a fan box 3 is arranged on one side of the motor 2, a wind cavity 4 is arranged in the fan box 3, an impeller 5 for increasing gas pressure and flow rate is arranged on a motor shaft 23 of the motor 2, and the impeller 5 is arranged in the wind cavity 4, an air inlet 6 for air intake and an air outlet 7 for air outlet are arranged on the fan box 3, the air inlet 6 and the air outlet 7 are in communication with the wind cavity 4, the air inlet 6 has a fixing seat 8, a filter assembly 9 for filtering impurities is arranged on the air inlet 6, a filter frame 10 and a filter screen 11 are arranged on the filter assembly 9, a magnetic clamping block 12 is arranged on the filter frame 10, the magnetic clamping block 12 and the filter frame 10 are connected by a spring 13, a clamping groove 14 for placing the magnetic clamping block 12 is arranged on the air outlet 7, a through hole 15 is arranged on the clamping groove 14, a movable magnetic block 16 is arranged in the through hole 15, and the magnetic block 16 can be pulled out of the through hole 15.

[0016] When the filter assembly 9 is installed in the air inlet 6, the magnetic clamping block 12 is fixedly installed in the clamping groove 14, at this time the through hole 15 does not need to insert the magnetic block 16, when the filter assembly 9 needs to be removed, the magnetic block 16 can be placed into the through hole 15 so that the magnetic poles of the magnetic block 16 and the magnetic clamping block 12 are at the same magnetic pole, according to the principle of magnetism, the same sex repels and the different sex attracts, so that the magnetic clamping block 12 is in a compressed state and the filter assembly 9 is removed.

[0017] Further, the filter frame 10 is provided with clamping portions 17 at both ends, the clamping portions 17 are provided with U-shaped clamping grooves 18, the filter frame 10 is installed on the fixed seat 8 through the U-shaped clamping grooves 18, the clamping portions 17 are provided with clamping blocks 19, the fixed seat 8 is provided with stable grooves 20 for fixing the clamping blocks 19, the whole filter assembly 9 is fixed through the clamping portions 17 on both sides, the clamping portions 17 made of elastic material are convenient for the user to disassemble, only need to bend one corner of the clamping portion 17 to make the clamping block 19 move out of the stable groove 20.

[0018] Further, the fixed seat 8 is provided with bolt holes 21, and the filter frame 10 is provided with mounting holes 22 corresponding to the bolt holes 21.

[0019] Further, the filter assembly 9 is in an overall arc shape in cross section.

[0020] Further, the clamping portions 17 are made of elastic material, which is convenient for disassembling the filter frame 10.

[0021] The specific embodiments described herein merely exemplify the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0022] Although the terms such as base 1, motor 2, fan box 3, air cavity 4, impeller 5, air inlet 6, air outlet 7, fixed seat 8, filter assembly 9, filter frame 10, filter screen 11, magnetic clamping block 12, spring 13, clamping groove 14, through hole 15, magnetic block 16, clamping portion 17, U-shaped clamping groove 18, clamping block 19, stable groove 20, bolt hole 21, mounting hole 22, motor shaft 23 are used more frequently herein, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the present application; any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A new filter fan case (3) comprising a base (1) on which a motor (2) is mounted, characterized in that, The motor (2) side is provided with a fan box (3), the fan box (3) has a wind cavity (4), located on the motor shaft (23) of the motor (2) is provided with a impeller (5) for increasing gas pressure and flow rate, and the impeller (5) is arranged in the wind cavity (4), the fan box (3) is provided with air inlet (6) and air outlet (7) for air outlet, the air inlet (6) and air outlet (7) are communicated with the wind cavity (4), the air inlet (6) has a fixed seat (8), the air inlet (6) is provided with a filter assembly (9) for filtering impurities, the filter assembly (9) is provided with a filter frame (10) and a filter screen (11), the filter frame (10) is provided with a magnetic clamping block (12), and the magnetic clamping block (12) and the filter frame (10) are connected by a spring (13), the air outlet (7) is provided with a clamping groove (14) for placing the magnetic clamping block (12), located in the clamping groove (14) is provided with a through hole (15), the through hole (15) is provided with a movable magnetic block (16).

2. A new filter fan box (3) according to claim 1, characterized in that, The filter frame (10) is provided with a clamping portion (17) at both ends, the clamping portion (17) has a U-shaped clamping groove (18), the filter frame (10) is installed on the fixed seat (8) through the U-shaped clamping groove (18), the U-shaped clamping groove (18) is provided with a clamping block (19), located on the fixed seat (8) is provided with a stable groove (20) for clamping block (19) fixed.

3. A new filter fan box (3) according to claim 1, characterized in that, The fixed seat (8) is provided with a bolt hole (21), and the filter frame (10) is provided with a mounting hole (22) corresponding to the bolt hole (21).

4. A new filter fan box (3) according to claim 1, characterized in that, The filter assembly (9) is in the shape of an arch as a whole.

5. A new filter fan box (3) according to claim 2, characterized in that, The clamping portion (17) is made of elastic material.