Multi-wing environment-friendly centrifugal fan with air inlet purification function
By introducing a servo motor-driven purification device into a multi-blade environmental centrifugal fan, and utilizing inclined purification filter plates and purification chucks, the problem of insufficient air filtration efficiency is solved, achieving efficient air purification and impurity removal, and improving the performance of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU PANLI FAN MFG CO LTD
- Filing Date
- 2025-06-17
- Publication Date
- 2026-05-12
AI Technical Summary
Existing multi-blade environmental centrifugal fans are inefficient in air filtration and purification, leading to a decline in air quality.
A multi-blade environmentally friendly centrifugal fan with purification function was designed. The purification device, driven by a servo motor, includes a purification filter plate and a purification chuck. The inclined purification filter plate and the high-speed rotating purification chuck achieve efficient filtration and adsorption of impurities in the air.
It improves air filtration efficiency, increases the contact area with air, effectively removes impurities, prevents debris adhesion, improves the stability of air purification effect, and enhances the practical performance of the equipment.
Smart Images

Figure CN224228893U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of centrifugal fan equipment, specifically a multi-blade environmentally friendly centrifugal fan with air intake purification function. Background Technology
[0002] Multi-blade environmentally friendly centrifugal fans are a type of high-efficiency, energy-saving, and environmentally friendly ventilation equipment. They are a type of centrifugal fan that uses a multi-blade impeller design to increase gas pressure and discharge gas by relying on input mechanical energy.
[0003] For example, the utility model patent disclosed in publication number CN216199086U discloses a centrifugal fan with purification and filtration effect, including a body, an air inlet on one side of the body, an exhaust pipe fixedly connected to the body, a collection box fixedly connected to the bottom of the exhaust pipe, a drain outlet fixedly connected to the bottom of the collection box, a filter plate fixedly connected to the top of the inner wall of the exhaust pipe, a purification box fixedly connected to the top of the filter plate near the inner wall of the body, and multiple first rotating shafts and one second rotating shaft rotatably connected to the bottom of the purification box. A rotating fan is fixedly connected to the end of the first and second rotating shafts away from the purification box. This utility model, through the cooperation of the second rotating shaft, the transmission shaft, the telescopic spring, the L-shaped sliding plate, and the wiping plate, cleans impurities on the filter plate, causing the impurities to fall into the collection box, thus improving the filtration effect of the filter plate and increasing the gas discharge speed.
[0004] Although the centrifugal fan mentioned above can filter the incoming air, it only filters the air through a filter baffle, which is insufficient in terms of the cleanliness of filtering and adsorbing impurities in the air. This reduces the quality of the air output by the subsequent fan. Therefore, there is an urgent need for a multi-blade environmentally friendly centrifugal fan with air intake purification function to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide a multi-blade environmentally friendly centrifugal fan with air intake purification function to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a multi-blade environmentally friendly centrifugal fan with air intake purification function, comprising a centrifugal fan housing, a fixed base fixedly disposed at the center of the lower end face of the centrifugal fan housing, and a fan exhaust pipe for air outlet disposed on the side end face of the centrifugal fan housing.
[0007] An air intake device is rotatably engaged with the inner end face of the centrifuge housing, and a servo motor is provided at the rear end face of the centrifuge housing directly opposite the air intake device. A sealing cover is detachably provided on the front end face of the centrifuge housing.
[0008] A purification device is threadedly connected to the center of the inner end face of the air intake device.
[0009] Preferably, the air intake device includes a fixed bracket, a threaded guide groove is provided at the center of the upper end face of the fixed bracket, and an air intake blade is provided near the edge of the upper end face of the fixed bracket.
[0010] Preferably, the purification device includes a sealing cylinder, an alignment seat is rotatably engaged on the inner end face of the sealing cylinder, and purification filter plates are equidistantly arranged on the side end face of the alignment seat. A transmission shaft is slidably engaged on the inner end face of the alignment seat, and a threaded shaft is fixedly arranged at the center of the lower end face of the transmission shaft. A purification chuck is fixedly engaged on the top of the transmission shaft.
[0011] Preferably, the transmission shaft is threadedly connected to the inner end face of the fixed bracket by means of the threaded shaft and the threaded guide groove. The threaded connection between the threaded shaft and the threaded guide groove allows staff to easily add or quickly disassemble the purification device as needed, improving the ease of use of the equipment.
[0012] Preferably, the side end face of the purification filter plate is fitted and connected to the inner wall of the sealing cylinder, and the purification filter plate is inclined. The lower end face of the sealing cylinder is detachably connected to the middle of the upper end face of the sealing cover. The fitted connection between the purification filter plate and the side wall of the sealing cylinder can effectively improve the stability of the purification filter plate in adsorbing various impurities in the air. In use, the sealing cylinder can be fixed to the outside of the sealing cover by connectors such as bolts, which facilitates subsequent assembly and disassembly.
[0013] Preferably, the purification filter plate has an inclination angle of 1 degree relative to the horizontal, and the lower end face of the purification chuck is fitted and connected to the upper end face of the sealing cylinder. The purification filter plate is inclined at a 1 degree angle, so that when the purification filter plate rotates, it can have maximum contact with the air, thereby fully adsorbing and removing various impurities in the air. At the same time, the fitted connection between the purification chuck and the sealing cylinder can also prevent external garbage from being introduced into the interior of the sealing cylinder.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0015] 1. This utility model, by setting up a purification device, allows the purification chuck to filter larger-volume impurities during centrifugal adsorption of air. At the same time, the high-speed rotating purification chuck can also prevent the adhesion of impurities, improving the efficiency of air filtration. In addition, multiple sets of purification filter plates arranged in an inclined shape can quickly introduce air through the tilt angle of the blades, and also increase the contact area with the air, improving the efficiency of purification and adsorption of impurities in the air, effectively improving the practical performance of the centrifugal fan. Attached Figure Description
[0016] Figure 1 This is an exploded view of the main body of this utility model;
[0017] Figure 2 This is a schematic diagram of the main structure of the present utility model;
[0018] Figure 3 This is a schematic diagram of the air intake device of this utility model;
[0019] Figure 4 This is an exploded view of the purification device of this utility model;
[0020] Figure 5 This is a schematic diagram of the purification device of this utility model.
[0021] In the diagram: 1-fan exhaust pipe, 2-air intake device, 3-sealing cover, 4-purification device, 5-fixed base, 6-centrifuge housing, 7-servo motor, 21-fixed bracket, 22-threaded guide groove, 23-air intake blade, 41-threaded shaft, 42-transmission bracket, 43-sealing sleeve, 44-alignment bracket, 45-purification chuck, 46-purification filter plate. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1-5 This utility model provides an embodiment of a multi-blade environmentally friendly centrifugal fan with air intake purification function, including a centrifugal fan housing 6, a fixed base 5 fixedly disposed at the center of the lower end face of the centrifugal fan housing 6, and a fan exhaust pipe 1 for air outlet disposed on the side end face of the centrifugal fan housing 6.
[0024] An air intake device 2 is rotatably engaged with the inner end face of the centrifuge housing 6, and a servo motor 7 is provided at the rear end face of the centrifuge housing 6 directly opposite the air intake device 2. A sealing cover 3 is detachably provided on the front end face of the centrifuge housing 6.
[0025] Purification device 4 is threadedly connected to the center of the inner end face of air intake device 2.
[0026] The air intake device 2 includes a fixed bracket 21, a threaded guide groove 22 is provided at the center of the upper end face of the fixed bracket 21, and an air intake blade 23 is provided near the edge of the upper end face of the fixed bracket 21.
[0027] The purification device 4 includes a sealing cylinder 43, an alignment seat 44 is rotatably engaged on the inner end face of the sealing cylinder 43, and purification filter plates 46 are equidistantly arranged on the side end face of the alignment seat 44. A transmission shaft 42 is slidably engaged on the inner end face of the alignment seat 44, and a threaded shaft 41 is fixedly arranged at the center of the lower end face of the transmission shaft 42. A purification chuck 45 is fixedly engaged on the top of the transmission shaft 42.
[0028] The transmission shaft 42 is threadedly connected to the inner end face of the fixed bracket 21 by the threaded shaft 41 and the threaded guide groove 22. The threaded connection between the threaded shaft 41 and the threaded guide groove 22 allows the staff to easily install or quickly disassemble the purification device 4 according to their needs, thus improving the ease of use of the equipment.
[0029] The side end face of the purification filter plate 46 is fitted and connected to the inner wall of the sealing cylinder 43, and the purification filter plate 46 is inclined. The lower end face of the sealing cylinder 43 is detachably connected to the middle of the upper end face of the sealing cover 3. The side wall of the purification filter plate 46 and the sealing cylinder 43 are fitted and connected, which can effectively improve the stability of the purification filter plate 46 in adsorbing various impurities in the air. When in use, the sealing cylinder 43 can be fixed to the outside of the sealing cover 3 by connecting parts such as bolts, which facilitates subsequent assembly and disassembly.
[0030] The purification filter plate 46 is tilted at a 60-degree angle relative to the horizontal. The lower end face of the purification chuck 45 is fitted and connected to the upper end face of the sealing cylinder 43. The purification filter plate 46 is tilted at a 60-degree angle so that when the purification filter plate 46 rotates, it can have maximum contact with the air, thereby fully adsorbing and removing various impurities in the air. At the same time, the fitted connection between the purification chuck 45 and the sealing cylinder 43 can also prevent external garbage from being introduced into the sealing cylinder 43.
[0031] Working principle: During use, the operator can start the servo motor 7. At this time, the servo motor 7 can drive the air intake blades 23 and the transmission shaft 42 to rotate synchronously through the fixed bracket 21. When the air intake blades 23 rotate, they can centrifugally adsorb the external air force, thus facilitating subsequent blower operation. When the transmission shaft 42 rotates, it can synchronously drive multiple sets of purification filter plates 46 to rotate at high speed through the alignment bracket 44. The purification filter plates 46 are inclined, which can improve the efficiency of air introduction and increase the contact with the external air. The air contact area is increased, thereby adsorbing and purifying various impurities in the air. At the same time, the rotation of the transmission shaft 42 can also drive the purification chuck 45 to rotate synchronously. Air can enter the sealed chuck 43 through the preliminary filtration of the purification chuck 45. Since the purification chuck 45 rotates synchronously with the transmission shaft 42, it can also prevent the filtered debris from being adsorbed on the outside of the purification chuck 45, improving air circulation. If air purification is not required, the operator can use external tools to separate the threaded shaft 41 from the threaded guide groove 22, which facilitates the subsequent disassembly of the purification device 4 and the sealing cover 3.
[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A multi-blade environmentally friendly centrifugal fan with air intake purification function, comprising a centrifugal fan housing, a fixed base fixedly disposed at the center of the lower end face of the centrifugal fan housing, and a fan exhaust pipe for air outlet disposed on the side end face of the centrifugal fan housing, characterized in that: An air intake device is rotatably engaged with the inner end face of the centrifuge housing, and a servo motor is provided at the rear end face of the centrifuge housing directly opposite the air intake device. A sealing cover is detachably provided on the front end face of the centrifuge housing. A purification device is threadedly connected to the center of the inner end face of the air intake device.
2. The multi-blade environmentally friendly centrifugal fan with air intake purification function according to claim 1, characterized in that: The air intake device includes a fixed bracket, a threaded guide groove is provided at the center of the upper end face of the fixed bracket, and an air intake blade is provided near the edge of the upper end face of the fixed bracket.
3. A multi-blade environmentally friendly centrifugal fan with air intake purification function according to claim 2, characterized in that: The purification device includes a sealing cylinder, an alignment seat is rotatably engaged on the inner end face of the sealing cylinder, and purification filter plates are equidistantly arranged on the side end face of the alignment seat. A transmission shaft is slidably engaged on the inner end face of the alignment seat, and a threaded shaft is fixedly arranged at the center of the lower end face of the transmission shaft. A purification chuck is fixedly engaged on the top of the transmission shaft.
4. A multi-blade environmentally friendly centrifugal fan with air intake purification function according to claim 3, characterized in that: The transmission clasp is threadedly connected to the inner end face of the fixed clasp by means of the threaded shaft and the threaded guide groove.
5. A multi-blade environmentally friendly centrifugal fan with air intake purification function according to claim 3, characterized in that: The side end face of the purification filter plate is fitted and connected to the inner wall of the sealing cylinder, and the purification filter plate is inclined. The lower end face of the sealing cylinder is detachably connected to the middle of the upper end face of the sealing cover.
6. A multi-blade environmentally friendly centrifugal fan with air intake purification function according to claim 5, characterized in that: The purification filter plate has a tilt angle of 60 degrees relative to the horizontal, and the lower end face of the purification chuck is fitted and connected to the upper end face of the sealing cylinder.