Centrifugal cooling fan with filtering mechanism
By introducing a filter assembly into the centrifugal cooling fan and using the wind flow to drive the scraper to scrape the particles on the filter plate, the problem of filter clogging is solved, and efficient filtration and convenient maintenance are achieved.
Patent Information
- Application Number
- CN202422941493.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-30
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-30
AI Technical Summary
The filter screen of the existing cooling fan is easily clogged when filtering particulate matter, resulting in reduced filtering efficiency and inability to continue to use during the cleaning process.
A centrifugal cooling fan with a filter assembly is designed, including a filter tube, a filter plate, a support frame, a rotating shaft, an arc-shaped scraper and a windmill. The windmill is driven to rotate by the wind flow, and the scraper scrapes the particles on the filter plate to prevent blockage and collects the particles into a collection box.
It improves the filtering efficiency, prevents the holes from being blocked, and enhances the flexibility and ease of use of the cooling fan.
Smart Images

Figure CN223434490U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cooling fans, in particular to a centrifugal cooling fan with a filtering mechanism. Background Art
[0002] Centrifugal cooling fan is a kind of equipment commonly used for cooling and ventilation, and is widely used in industries such as industry, construction, and agriculture. The cooling fan takes in air through the air inlet and discharges the airflow through the air outlet. When the air is taken in, the particles in the air will enter the interior of the cooling fan with the airflow, causing damage to the components inside the cooling fan. A filtering mechanism is required to block the particles in the air.
[0003] The existing cooling fan consists of a fan frame, a motor, a rotating shaft, an impeller and a filter. The motor is arranged in the fan frame, the impeller is rotatably installed in the fan frame, the rotating shaft is fixedly connected between the impeller and the motor output end, and the filter is arranged at the air inlet end of the fan frame.
[0004] During the process of filtering particulate matter, the particulate matter will clog the holes of the filter, thereby reducing the filtering efficiency of the filter for particulate matter. In addition, when the filter is removed and cleaned, the cooling fan cannot continue to be used for cooling and ventilation. It is urgent to design a centrifugal cooling fan with a filtering mechanism to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide a centrifugal cooling fan with a filtering mechanism to solve the above-mentioned deficiencies in the prior art.
[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:
[0007] It includes a fan body and an air inlet pipe, wherein a connecting component is provided in the air inlet pipe, and a filter component is provided in the air inlet pipe;
[0008] The filter assembly includes a filter tube arranged on the inner surface of the air inlet pipe, a filter plate is fixedly installed on the inner surface of the filter tube, a support frame is provided on the inner surface of the filter tube, a circular groove is opened between the filter plate and the support frame, a rotating shaft is rotatably installed in the circular groove, an arc-shaped scraper is rotatably installed on one side of the filter plate, and the arc-shaped scraper is fixedly connected to the rotating shaft.
[0009] The filter assembly can filter the particles and scrape the filter plate at the same time, thereby preventing the particles from clogging the holes in the filter plate, thereby increasing the filtering efficiency of the cooling fan for the particles.
[0010] A windmill is rotatably mounted on one side of the support frame, and the windmill is fixedly connected to the rotating shaft.
[0011] The filter pipe is provided with an air inlet funnel at one end, the outer surface of the filter pipe is provided with a collecting groove, and the outer surface of the filter pipe is fixedly installed with clamping plates.
[0012] The air inlet pipe is arranged at the air inlet end of the fan body, and the filter pipe is fixedly installed with a sealing gasket at one end.
[0013] The connecting assembly comprises a clamping block, a buckle, a spring and a connecting rod, the air inlet pipe is provided with an L-shaped groove at one end, and the clamping block is fixedly installed on the outer surface of the filter pipe.
[0014] The clamping block is provided with a clamping groove on one side, the outer surface of the air inlet pipe is provided with a sliding groove, the buckle is slidingly installed in the sliding groove, the spring is fixedly installed between the buckle and the air inlet pipe, and the connecting rod is fixedly installed on one side of the buckle.
[0015] In the above technical scheme, the centrifugal cooling fan with the filtering mechanism has the following beneficial effects:
[0016] 1. The filtering assembly can filter particulate matters and scrape the filter plate at the same time, thereby preventing the filter plate holes from being blocked by particulate matters, and increasing the filtering efficiency of the cooling fan on particulate matters.
[0017] 2. The air inlet funnel can increase the flow rate of the air flow in the filter pipe, so that the air flow drives the windmill to rotate, thereby improving the filtering efficiency of the cooling fan on particulate matters.
[0018] 3. The connecting assembly can facilitate the control of the connection between the cooling fan and the filtering assembly by the staff, thereby improving the flexibility of the cooling fan in use. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0020] Figure 1 The centrifugal cooling fan structure schematic view is provided for the centrifugal cooling fan with the filtering mechanism.
[0021] Figure 2 The filtering mechanism structure schematic view is provided for the centrifugal cooling fan with the filtering mechanism.
[0022] Figure 3The utility model provides a filter assembly structure schematic diagram provided by centrifugal cooling fan with filter mechanism embodiment.
[0023] Figure 4 The utility model provides a connecting assembly structure schematic diagram provided by centrifugal cooling fan with filter mechanism embodiment.
[0024] 1, fan body;2, air inlet pipe;3, connecting assembly;4, filter assembly;5, filter pipe;6, filter plate;7, support frame;8, round groove;9, rotating shaft;10, arc-shaped scraper;11, windmill;12, air inlet hopper;13, collecting groove;14, clamping plate;15, collecting box;16, gasket;17, clamping block;18, buckle;19, spring;20, connecting rod;21, L-shaped groove;22, clamping groove;23, sliding groove. DETAILED DESCRIPTION
[0025] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below with accompanying drawings.
[0026] As Figures 1-4 The utility model discloses a centrifugal cooling fan with filter mechanism.
[0027] Including fan body 1 and air inlet pipe 2, be provided with connecting assembly 3 in air inlet pipe 2, be provided with filter assembly 4 in air inlet pipe 2;
[0028] Filter assembly 4 includes the filter pipe 5 of setting in the inner surface of air inlet pipe 2, and the filter plate 6 is fixedly installed on the inner surface of filter pipe 5, and the support frame 7 is arranged on the inner surface of filter pipe 5, and the round groove 8 is opened between filter plate 6 and support frame 7, and the rotating shaft 9 is rotatably installed in round groove 8, and the arc-shaped scraper 10 is rotatably installed on one side of filter plate 6, and the arc-shaped scraper 10 is fixedly connected with rotating shaft 9, and the fan body 1 is started, and the wind flow enters fan body 1 through air inlet hopper 12, filter pipe 5 and air inlet pipe 2, and filter plate 6 filters the particulate in the wind flow, and the wind flow drives windmill 11 to rotate, and windmill 11 drives arc-shaped scraper 10 to rotate through rotating shaft 9, and arc-shaped scraper 10 scrapes the particulate on filter plate 6 and guides it to collecting groove 13, so that the particulate falls into collecting box 15.
[0029] Filter assembly 4 can filter the particulate and scrape filter plate 6 at the same time, so that the particulate does not block the holes of filter plate 6, thereby increasing the filtering efficiency of the cooling fan on the particulate.
[0030] Referring Figure 3 to the drawings, one side of the support frame 7 of the embodiment is rotatably installed with the windmill 11, and the windmill 11 is fixedly connected with the rotating shaft 9.
[0031] An air inlet funnel 12 is provided at one end of the filter tube 5 , a collection trough 13 is provided on the outer surface of the filter tube 5 , a clamping plate 14 is fixedly mounted on the outer surface of the filter tube 5 , and a collection box 15 is clamped between the clamping plates 14 .
[0032] The air inlet funnel 12 can increase the flow rate of the airflow in the filter tube 5, so that the airflow drives the windmill 11 to rotate, thereby improving the filtering efficiency of the cooling fan on particulate matter.
[0033] The air inlet pipe 2 is arranged at the air inlet end of the fan body 1, and a sealing gasket 16 is fixedly installed at one end of the filter tube 5.
[0034] Reference Figure 4 The connecting assembly 3 of this embodiment includes a block 17, a buckle 18, a spring 19 and a connecting rod 20. An L-shaped groove 21 is opened at one end of the air inlet pipe 2. The block 17 is fixedly installed on the outer surface of the filter tube 5. Pulling the connecting rod 20 drives the buckle 18 to move, and the buckle 18 squeezes the spring 19, so that the buckle 18 releases its limit fixation on the block 17. The filter tube 5 is held and moved, and the filter tube 5 drives the block 17 to move, so that it releases the connection between the air inlet pipe 2 and the filter assembly 4. When the air inlet pipe 2 is connected to the filter assembly 4, refer to the above steps, insert the hand-held filter plate 6 into the air inlet pipe 2, and insert the corresponding block 17 into the corresponding L-shaped groove 21. Rotate the filter plate 6 to drive the block 17 to move, and the spring 19 squeezes the buckle 18, so that the buckle 18 is inserted into the slot 22, so that it cooperates with the L-shaped slot 21 to limit and fix the filter plate 6.
[0035] The connection assembly 3 can facilitate the staff to control the connection between the cooling fan and the filter assembly 4, thereby improving the flexibility of the cooling fan when used.
[0036] A slot 22 is provided on one side of the block 17, a slide groove 23 is provided on the outer surface of the air inlet pipe 2, the buckle 18 is slidably installed in the slide groove 23, the spring 19 is fixedly installed between the buckle 18 and the air inlet pipe 2, and the connecting rod 20 is fixedly installed on one side of the buckle 18.
[0037] Working principle: first pull the connecting rod 20 buckle 18 to move, buckle 18 on the spring 19 extrusion, make buckle 18 remove its to the clamping block 17 limit fixed, handheld filter tube 5 and move, filter tube 5 drive clamping block 17 to move, make it remove the air pipe 2 and filter assembly 4 between the connection, when the air pipe 2 and filter assembly 4 connection, reference the above steps, handheld filter plate 6 is inserted into the air pipe 2, and make corresponding clamping block 17 is inserted into the corresponding L-shaped slot 21, rotate filter plate 6 drive clamping block 17 to move, spring 19 on the buckle 18 extrusion, make buckle 18 insert the card slot 22, make it cooperate L-shaped slot 21 to filter plate 6 limit fixed, start fan body 1, make the wind flow through the air funnel 12, filter tube 5 and air pipe 2 into the fan body 1, filter plate 6 to the particulate matter in the wind flow filtering, wind flow drive windmill 11 to rotate, windmill 11 through the shaft 9 drive arc-shaped scraper 10 to rotate, arc-shaped scraper 10 on the filter plate 6 on the particulate matter scraping, and guide it to the collection groove 13, make the particulate matter drop to the collection box 15.
[0038] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection claimed by the present application.
Claims
1. A centrifugal cooling fan with a filtering mechanism, comprising a fan body (1) and an air inlet pipe (2), characterized in that: A connecting component (3) is provided in the air inlet pipe (2), and a filtering component (4) is provided in the air inlet pipe (2); The filter assembly (4) comprises a filter tube (5) arranged on the inner surface of the air inlet pipe (2), a filter plate (6) is fixedly installed on the inner surface of the filter tube (5), a support frame (7) is provided on the inner surface of the filter tube (5), a circular groove (8) is provided between the filter plate (6) and the support frame (7), a rotating shaft (9) is rotatably installed in the circular groove (8), an arc scraper (10) is rotatably installed on one side of the filter plate (6), and the arc scraper (10) is fixedly connected to the rotating shaft (9).
2. A centrifugal cooling fan with a filtering mechanism according to claim 1, characterized in that: A windmill (11) is rotatably mounted on one side of the support frame (7), and the windmill (11) is fixedly connected to the rotating shaft (9).
3. The centrifugal cooling fan with a filtering mechanism according to claim 1, characterized in that: An air inlet funnel (12) is provided at one end of the filter tube (5), a collection groove (13) is provided on the outer surface of the filter tube (5), a clamping plate (14) is fixedly mounted on the outer surface of the filter tube (5), and a collection box (15) is clamped between the clamping plates (14).
4. The centrifugal cooling fan with a filtering mechanism according to claim 1, characterized in that: The air inlet pipe (2) is arranged at the air inlet end of the fan body (1), and a sealing gasket (16) is fixedly installed at one end of the filter tube (5).
5. The centrifugal cooling fan with a filtering mechanism according to claim 1, characterized in that: The connecting assembly (3) comprises a clamping block (17), a buckle (18), a spring (19) and a connecting rod (20); an L-shaped groove (21) is provided at one end of the air inlet pipe (2); and the clamping block (17) is fixedly mounted on the outer surface of the filter tube (5).
6. The centrifugal cooling fan with a filtering mechanism according to claim 5, characterized in that: A card slot (22) is provided on one side of the card block (17), a slide slot (23) is provided on the outer surface of the air inlet pipe (2), the card buckle (18) is slidably installed in the slide slot (23), the spring (19) is fixedly installed between the card buckle (18) and the air inlet pipe (2), and the connecting rod (20) is fixedly installed on one side of the card buckle (18).