Dustproof mechanism for centrifugal air floating fan

Through the quick disassembly mechanism and magnetic connection design, the replacement and installation of the dust cover and filter of the centrifugal air-floating fan are simplified, solving the complex operation problems in the prior art, improving maintenance efficiency and reducing costs.

CN223257149UActive Publication Date: 2025-08-22贵州中航华强科技有限公司
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Patent Information

Application Number
CN202422208939.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-08-22
Estimated Expiration
2034-09-10

AI Technical Summary

Technical Problem

The existing centrifugal air-floating fans are complicated and time-consuming when replacing the filter and installing the dustproof mechanism, which increases the maintenance difficulty and time cost, affects the normal operation and maintenance efficiency of the equipment, and may lead to an increase in the damage rate of the filter and dustproof mechanism.

Method used

The quick disassembly mechanism is adopted, including pull rings, clamp rods and sliding grooves, and the magnetic connection between the negative magnetic suction block and the positive magnetic suction block, and the threaded replacement cover is used to achieve convenient replacement and installation of the dust cover and filter mesh.

Benefits of technology

Simplifies operational processes, reduces maintenance time, improves maintenance efficiency, ensures continuous operation of equipment, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mechanical engineering, in particular to a dustproof mechanism for a centrifugal air floating fan. The technical problems that when a filter screen of an existing centrifugal air floating fan is replaced and a dustproof assembly is installed, the process is complex and time-consuming, the maintenance difficulty and time cost are increased, the normal operation and maintenance efficiency of equipment are affected, the design defect possibly causes the increase of the damage rate of the filter screen and a dustproof mechanism, and the operation cost is further increased are solved. According to the technical scheme, the dustproof mechanism for the centrifugal air floating fan comprises a fan body. By arranging the quick release mechanism and utilizing the pull ring, the clamping rod, the sliding groove and other mechanisms, convenient replacement and installation of the dust cover and the filter screen are achieved, operation is simplified, maintenance efficiency is improved, due to the threaded connection design, tools are not needed when the filter screen is replaced, maintenance time is shortened, and continuous operation of equipment is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical engineering, in particular to a dust-proof mechanism for a centrifugal air-floating fan. Background Art

[0002] A centrifugal air blower is a device that uses the principle of centrifugal force to deliver air. It draws in and accelerates air through a high-speed rotating impeller, and then discharges it through an outlet to achieve the purpose of conveying, supplying air or vacuuming. This type of fan is usually used in applications that require large amounts of airflow, such as ventilation, air conditioning, and gas transportation in industrial production.

[0003] Existing centrifugal air-floating fans require disassembly of multiple components when replacing the filter, which is a complicated and time-consuming process, increasing the difficulty and time cost of maintenance. Especially in an environment where the filter needs to be replaced frequently, it affects the normal operation and maintenance efficiency of the equipment. At the same time, the existing dust-proof mechanism is complex in design, and special tools and cumbersome steps are required for installation, resulting in a lot of time spent on installing and disassembling the dust-proof mechanism, increasing maintenance costs and operating difficulty, and may also affect the dust-proof effect, thereby affecting the normal operation of the equipment.

[0004] Therefore, for the above-mentioned existing centrifugal air-floating fans, the process of replacing the filter and installing the dust-proof mechanism is complicated and time-consuming, which increases the difficulty and time cost of maintenance, affecting the normal operation and maintenance efficiency of the equipment. This design defect may also lead to an increase in the damage rate of the filter and the dust-proof mechanism, further increasing the operating cost. This problem urgently needs to be solved to improve the use scenarios of the dust-proof mechanism for centrifugal air-floating fans. Utility Model Content

[0005] In order to overcome the common dust-proof mechanism used in centrifugal air-floating fans, the process of replacing the filter and installing the dust-proof mechanism is complicated and time-consuming, which increases the difficulty and time cost of maintenance, affecting the normal operation and maintenance efficiency of the equipment. This design defect may also lead to an increase in the damage rate of the filter and dust-proof mechanism, further increasing the operating cost problem.

[0006] The technical solution of the utility model is: a dust-proof mechanism for a centrifugal air-floating fan, comprising a fan main body, the outer end of the fan main body comprising a connecting seat, the upper end of the connecting seat being provided with a quick-release mechanism, the quick-release mechanism comprising an adapter block, a mounting slot, a positive magnetic block, a sliding slot, a clamping rod, a push plate, a spring, and a pull ring; the upper end of the connecting seat is connected to the adapter block, the upper end of the adapter block is provided with a mounting slot, the mounting slot is provided with a positive magnetic block, a sliding slot is provided on the left side of the upper end of the adapter block, the sliding slot is slidably connected with a clamping rod, the clamping rod is slidably connected to the mounting slot, the clamping rod is connected to a push plate, the push plate is slidably connected to the sliding slot, the front and rear sides of the left end of the push plate are connected with springs, two springs are provided, the left end of the clamping rod is connected to a pull ring, the front end of the fan main body is provided with a dust-proof component, and the front end of the dust-proof component is provided with a replacement mechanism.

[0007] Preferably, the pull ring is pulled, the pull ring drives the card rod to slide on the sliding groove, and the card rod drives the push plate to slide, thereby matching the dustproof component with the positive magnetic block, and then the pull ring is released, and the spring pushes the push plate to reset, thereby fixing the dustproof component on the installation groove, achieving the effect of quick disassembly and quick installation.

[0008] Preferably, the dustproof component includes a negative magnetic block and a connecting block; the front end of the positive magnetic block is magnetically connected to the negative magnetic block, and the front end of the negative magnetic block is connected to the connecting block. The magnetic connection between the negative magnetic block and the positive magnetic block makes installation more convenient and assists in positioning.

[0009] Preferably, the dustproof component includes a card hole and a handle; the card hole is opened on the connecting block, the front end of the connecting block is connected to the handle, the card hole and the card rod match each other, and the card hole and the card rod match to achieve a limiting effect.

[0010] Preferably, the dustproof component includes a dust cover and air vents; the front side of the lower end of the connecting block is connected to the dust cover, multiple air vents are opened on the dust cover, and filters are provided on the multiple air vents. The dust cover covers the fan body, and the air vents facilitate the entry of airflow, and filters are provided on the air vents for filtering.

[0011] Preferably, the replacement mechanism includes a replacement cover and a threaded groove; the front end of the dust cover is provided with a replacement cover, and the rear side of the outer end of the replacement cover is provided with a threaded groove, so that the replacement cover can be quickly replaced to reduce downtime.

[0012] Preferably, the replacement mechanism includes an anti-slip protrusion and a filter; the outer end of the replacement cover is connected to the anti-slip protrusion, and the inside of the replacement cover is connected to the filter, which is used to filter out dust. When too much dust blocks the filter, it can be replaced.

[0013] Preferably, a plurality of anti-skid protrusions are provided, and the threaded groove is threadedly connected to the dust cover. The plurality of anti-skid protrusions can increase friction to prevent slipping, and the threaded groove is threadedly connected to the dust cover to facilitate installation and replacement of the cover.

[0014] Beneficial effects of the utility model:

[0015] 1. By setting up a quick-release mechanism and utilizing mechanisms such as pull rings, clamping rods and sliding slots, the dust cover and filter can be easily replaced and installed, simplifying operation and improving maintenance efficiency. The threaded connection design eliminates the need for tools when replacing the filter, reducing maintenance time and ensuring continuous operation of the equipment.

[0016] 2. By setting up a quick-release mechanism, a pull ring, a clamping rod and a sliding groove, the dust cover and the filter can be easily replaced and installed. First, pull the pull ring to slide the clamping rod to quickly match the negative magnetic block and the positive magnetic block, and ensure a firm connection through spring reset, which greatly facilitates the installation and removal of the dustproof component and improves maintenance efficiency. Secondly, the threaded connection design between the replacement cover and the dust cover makes it easy to replace the filter without tools, effectively reducing maintenance time and ensuring the continuous operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Shown is a schematic diagram of a three-dimensional explosion structure of a dust-proof mechanism for a centrifugal air-floating fan of the present invention;

[0018] Figure 2 Shown is a schematic diagram of a three-dimensional cross-sectional structure of a dust-proof mechanism for a centrifugal air-floating fan of the present invention;

[0019] Figure 3 Shown is a schematic diagram of the three-dimensional structure of a dust-proof mechanism and dust-proof assembly for a centrifugal air-floating fan of the present invention;

[0020] Figure 4 Shown is a schematic diagram of the three-dimensional structure of a quick-release mechanism for a centrifugal air-floating fan of the present invention.

[0021] In the figure: 1. Fan body; 2. Connecting seat; 3. Quick release mechanism; 4. Dustproof component; 5. Replacement mechanism; 31. Adapter block; 32. Mounting slot; 33. Positive magnetic block; 34. Sliding slot; 35. Clamping rod; 36. Push plate; 37. Spring; 38. Pull ring; 41. Negative magnetic block; 42. Connecting block; 43. Clamping hole; 44. Handle; 45. Dust cover; 46. Air vent; 51. Replacement cover; 52. Threaded groove; 53. Anti-slip protrusion; 54. Filter. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] See also Figure 1-4The utility model provides an embodiment: a dust-proof mechanism for a centrifugal air-floating fan, comprising a fan body 1, the outer end of the fan body 1 comprises a connecting seat 2, the upper end of the connecting seat 2 is provided with a quick-release mechanism 3, the quick-release mechanism 3 comprises an adapter block 31, a mounting groove 32, a positive magnetic block 33, a sliding groove 34, a clamping rod 35, a push plate 36, a spring 37, and a pull ring 38; the upper end of the connecting seat 2 is connected to the adapter block 31, the upper end of the adapter block 31 is provided with a mounting groove 32, and the mounting groove 32 is provided with a There is a positive magnetic block 33, and a sliding groove 34 is opened on the left side of the upper end of the adapter block 31. A card rod 35 is slidably connected to the sliding groove 34, and the card rod 35 is slidably connected to the mounting groove 32. A push plate 36 is connected to the card rod 35, and the push plate 36 is slidably connected to the sliding groove 34. The front and rear sides of the left end of the push plate 36 are connected with springs 37, and there are two springs 37. A pull ring 38 is connected to the left end of the card rod 35, and a dustproof component 4 is provided at the front end of the fan body 1, and a replacement mechanism 5 is provided at the front end of the dustproof component 4.

[0024] See also Figure 1-4 In this embodiment, the pull ring 38 is pulled, and the pull ring 38 drives the card rod 35 to slide on the sliding groove 34, and the card rod 35 drives the push plate 36 to slide, thereby matching the dustproof component 4 with the positive magnetic block 33, and then the pull ring 38 is released, and the spring 37 pushes the push plate 36 to reset, thereby fixing the dustproof component 4 on the installation groove 32, achieving the effect of quick disassembly and quick installation. The dustproof component 4 includes a negative magnetic block 41 and a connecting block 42; the front end of the positive magnetic block 33 is magnetically connected to the negative magnetic block 41, and the front end of the negative magnetic block 41 is connected to the connecting block 42. The negative magnetic block 41 is magnetically connected to the positive magnetic block 33, making the installation easier Convenient, auxiliary positioning, the dustproof component 4 includes a card hole 43 and a handle 44; the card hole 43 is opened on the connecting block 42, and the front end of the connecting block 42 is connected to the handle 44, the card hole 43 and the card rod 35 match each other, and the card hole 43 and the card rod 35 match to achieve a limiting effect. The dustproof component 4 includes a dust cover 45 and an air vent 46; the front side of the lower end of the connecting block 42 is connected to the dust cover 45, and a plurality of air vents 46 are opened on the dust cover 45, and a plurality of air vents 46 are provided with filters. The dust cover 45 covers the fan body 1, and the air vents 46 facilitate the entry of airflow, and the air vents 46 are provided with filters for filtering.

[0025] See also Figure 2-4In this embodiment, the replacement mechanism 5 includes a replacement cover 51 and a threaded groove 52; the front end of the dust cover 45 is provided with a replacement cover 51, and the rear side of the outer end of the replacement cover 51 is provided with a threaded groove 52, so that the replacement cover 51 can be quickly replaced to reduce downtime. The replacement mechanism 5 includes an anti-slip protrusion 53 and a filter screen 54; the outer end of the replacement cover 51 is connected with an anti-slip protrusion 53, and the interior of the replacement cover 51 is connected with a filter screen 54. The filter screen 54 is used to filter out dust. When too much dust blocks the filter screen 54, it can be replaced. There are multiple anti-slip protrusions 53, and the threaded groove 52 is threadedly connected to the dust cover 45. Multiple anti-slip protrusions 53 can increase friction to prevent slipping. The threaded groove 52 is threadedly connected to the dustproof groove to facilitate the installation of the replacement cover 51.

[0026] During operation, the pull ring 38 is pulled, and the pull ring 38 drives the clamping rod 35 to slide on the sliding groove 34, and the clamping rod 35 drives the push plate 36 to slide, thereby matching the negative magnetic block 41 with the positive magnetic block 33. Then, the pull ring 38 is released, and the spring 37 pushes the push plate 36 to reset, so that the clamping rod 35 matches the clamping hole 43, so that the connecting block 42 is restricted in the installation groove 32, and the dust cover 45 is matched with the fan body 1. The threaded groove 52 on the replacement cover 51 is connected to the dust cover 45 to cover the fan body 1. When the fan body 1 is started, the fan body 1 generates suction, and the air flow will flow through the filter 54 and the air vent 46. The dust will be filtered by the filter 54 and the filter on the air vent. When quick replacement is required, the replacement cover 51 is rotated, and the replacement cover 51 is separated from the dust cover 45. The anti-slip protrusion 53 increases the friction during rotation, thereby replacing a new dust cover. If the dust cover 45 needs to be removed for cleaning, just pull the pull ring 38 to separate the clamping rod 35 from the clamping hole 43, and pull the handle 44 to take out the dust cover 45.

[0027] Through the above steps, the dust cover 45 and the filter screen 54 can be conveniently replaced and installed by using the quick-release mechanism 3, the pull ring 38, the clamping rod 35 and the sliding groove 34. First, the pull ring 38 is pulled to slide the clamping rod 35, and the negative magnetic block 41 and the positive magnetic block 33 are quickly matched, and reset by the spring 37 to ensure a firm connection, which greatly facilitates the installation and disassembly of the dustproof component 4 and improves maintenance efficiency. Secondly, the threaded connection design between the replacement cover 51 and the dust cover 45 makes it possible to replace the filter screen 54 without tools, and the operation is simple, which effectively reduces maintenance time and ensures the continuous operation of the equipment.

[0028] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A dust-proof mechanism for a centrifugal air-floating fan, comprising a fan body (1), characterized in that: The outer end of the fan body (1) includes a connecting seat (2), and the upper end of the connecting seat (2) is provided with a quick release mechanism (3), and the quick release mechanism (3) includes an adapter block (31), a mounting groove (32), a positive magnetic block (33), a sliding groove (34), a clamping rod (35), a push plate (36), a spring (37), and a pull ring (38); the upper end of the connecting seat (2) is connected to the adapter block (31), the upper end of the adapter block (31) is provided with a mounting groove (32), the mounting groove (32) is provided with a positive magnetic block (33), and the left upper end of the adapter block (31) is provided with a plurality of springs. A sliding groove (34) is opened on the side, a clamping rod (35) is slidably connected to the sliding groove (34), the clamping rod (35) is slidably connected to the mounting groove (32), a push plate (36) is connected to the clamping rod (35), the push plate (36) is slidably connected to the sliding groove (34), the front and rear sides of the left end of the push plate (36) are connected to springs (37), two springs (37) are provided, the left end of the clamping rod (35) is connected to a pull ring (38), a dustproof component (4) is provided at the front end of the fan body (1), and a replacement mechanism (5) is provided at the front end of the dustproof component (4).

2. The dust-proof mechanism for a centrifugal air-floating fan according to claim 1, characterized in that: The dustproof component (4) comprises a negative magnetic block (41) and a connecting block (42); the front end of the positive magnetic block (33) is magnetically connected to the negative magnetic block (41), and the front end of the negative magnetic block (41) is connected to the connecting block (42).

3. The dust-proof mechanism for a centrifugal air-floating fan according to claim 2, characterized in that: The dustproof component (4) includes a clamping hole (43) and a handle (44); the clamping hole (43) is provided on the connecting block (42); the front end of the connecting block (42) is connected to the handle (44); and the clamping hole (43) and the clamping rod (35) match each other.

4. The dust-proof mechanism for a centrifugal air-floating fan according to claim 3, characterized in that: The dustproof component (4) includes a dustproof cover (45) and an air vent (46); the front side of the lower end of the connecting block (42) is connected to the dustproof cover (45), a plurality of air vents (46) are provided on the dustproof cover (45), and filters are provided on the plurality of air vents (46).

5. The dust-proof mechanism for a centrifugal air-floating fan according to claim 4, characterized in that: The replacement mechanism (5) includes a replacement cover (51) and a threaded groove (52); the front end of the dust cover (45) is provided with the replacement cover (51), and the rear side of the outer end of the replacement cover (51) is provided with a threaded groove (52).

6. The dust-proof mechanism for a centrifugal air-floating fan according to claim 5, characterized in that: The replacement mechanism (5) includes an anti-slip protrusion (53) and a filter (54); the outer end of the replacement cover (51) is connected to the anti-slip protrusion (53), and the interior of the replacement cover (51) is connected to the filter (54).

7. The dust-proof mechanism for a centrifugal air-floating fan according to claim 6, characterized in that: A plurality of anti-slip protrusions (53) are provided, and the thread groove (52) is threadedly connected to the dust cover (45).