Integrated axial flow energy-saving, anti-corrosion and dust removal centrifugal fan

Abstract

The utility model discloses an integrated axial flow energy-saving, anti-corrosion and dust-removing centrifugal fan, comprising a base, the upper surface of the base is fixedly connected to a fan chassis through a bracket, a turntable and an annular disk are rotatably connected to the two inner sides of the fan chassis, and a plurality of blades are fixedly connected in an annular array between the turntable and the annular disk. The advantages are: by setting an arc-shaped slide groove on the surface of the fan chassis, and setting a slider to be slidably connected in the slide groove, and setting a scraper in the fan chassis and tightly attached to the inner bottom surface of the chassis, and fixing the scraper to the inner side of the slider, the scraper can be driven to clean the fan chassis by controlling the sliding of the slider, thereby avoiding the contamination of the inside of the fan chassis by pollutants, and a protective cover is set outside the slide groove, thereby ensuring the normal operation of the fan.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilators, in particular to an integrated axial flow energy-saving, corrosion-resistant and dust-removing centrifugal fan. Background Art

[0002] A centrifugal fan is a common mechanical device used to transport gas, exhaust air or increase gas pressure. It generates centrifugal force by rotating the impeller, sucking in the gas and sending it out through the rotational kinetic energy.

[0003] The existing publication number CN112145454A discloses a centrifugal fan, including a guide volute, a wind collecting chamber and a plurality of guide channels spirally arranged around the wind collecting chamber are formed in the guide volute, a plurality of air outlets connected to the wind collecting chamber and an air inlet are formed on the guide volute, and the air outlets are connected to the wind collecting chamber through the guide channels; a guide device is arranged in the wind collecting chamber, and the guide device is used to suck outside air into the wind collecting chamber from the air inlet, and discharge the air from the air outlet along the guide channels.

[0004] The existing integrated axial flow energy-saving, anti-corrosion and dust-removing centrifugal fans still have the following shortcomings:

[0005] 1. Centrifugal fans are used in a variety of places. If used in exhaust systems such as kitchens or chemical plants, the centrifugal fan body will absorb a variety of pollutants, which will cause certain corrosion damage to the centrifugal fan body.

[0006] 2. During the use of the centrifugal fan, if it encounters a harsh environment with sand and dust, the inhaled sand and dust will cause certain damage to the spiral blades of the centrifugal fan. Utility Model Content

[0007] The utility model aims to solve the problems existing in the prior art and proposes an integrated axial flow energy-saving, corrosion-resistant and dust-removing centrifugal fan.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] The integrated axial flow energy-saving, corrosion-resistant and dust-removing centrifugal fan comprises: a base, the upper surface of the base is fixedly connected to a fan chassis through a bracket, a turntable and an annular disk are rotatably connected to two inner sides of the fan chassis respectively, a plurality of blades are fixedly connected in a ring array between the turntable and the annular disk, a cleaning component is provided in the fan chassis, a transmission component is provided on the back of the fan chassis, a dust removal component is provided on the front of the fan chassis, the transmission component comprises a connecting piece, a crawler belt and a motor, the motor is fixedly connected to the upper surface of the base, one of the connecting pieces is fixedly connected to the side of the turntable through a transmission shaft, the transmission shaft passes through and is rotatably connected to the fan chassis, one of the connecting pieces is fixedly connected to the output end of the motor, two transmission grooves are provided on the side of the connecting piece, the crawler belt is slidably connected in the transmission groove, a protective cover is fixedly connected to the side of the fan chassis away from the motor, the The cleaning component is arranged in the protective cover, and the cleaning component comprises a protective cover, a scraper and a slider, a slide groove is provided on the side of the fan casing, the slider is slidably connected in the slide groove, the scraper is arranged in the fan casing, the scraper is fixedly connected to the inner side surface of the slider, and the lower end of the scraper is tightly attached to the inner bottom surface of the fan casing. The dust removal component comprises a dust filter structure and a cleaning structure, and the dust filter structure comprises an air intake cover, the air intake cover passes through the protective cover and is fixedly connected to the side surface of the fan casing, a plurality of air filter ports are provided at one end of the air intake cover away from the motor, and the cleaning structure comprises a rotating shaft, a brush and a connecting block, the rotating shaft is fixedly connected to the side surface of the rotating disk, the rotating shaft passes through the annular disk and the side surface of the air intake cover, the side surface of the air intake cover is provided with an annular groove, the annular groove is arranged on the outside of the air filter port, the connecting block is slidably connected in the annular groove, and the brush is fixedly connected between the rotating shaft and the connecting block.

[0010] In order to better achieve the above-mentioned purpose, the utility model adopts a further technical solution: a sewage outlet is provided on the inner bottom surface of the fan chassis, and a pull plate is snap-fitted and connected inside the sewage outlet.

[0011] The utility model has the advantages that the scraper is driven to clean the fan case by controlling the sliding of the slider, thereby preventing pollutants from contaminating the inside of the fan case, and a protective cover is arranged outside the slide slot, thereby ensuring the normal operation of the fan. By arranging an air intake hood connected to the side of the fan case, and arranging an air filter port at the outer end of the air intake hood, the sand and dust in the gas will be filtered during the process of sucking in the external gas, and a brush is connected to the outside of the air intake hood through a rotating shaft, and the brush is driven to rotate by the rotating shaft to clean the air filter port. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front structural schematic diagram of the integrated axial flow energy-saving, corrosion-resistant and dust-removing centrifugal fan proposed by the utility model;

[0013] Figure 2This is a schematic structural diagram of the back side of the integrated axial flow energy-saving, corrosion-resistant and dust-removing centrifugal fan proposed by the utility model;

[0014] Figure 3 A schematic diagram of the front side of the chassis of the integrated axial flow energy-saving, corrosion-resistant and dust-removing centrifugal fan proposed by the utility model;

[0015] Figure 4 This is a structural schematic diagram of the internal cross-section of the chassis of the integrated axial-flow energy-saving, corrosion-resistant and dust-removing centrifugal fan proposed by the utility model.

[0016] In the figure: 1 base, 2 bracket, 3 fan chassis, 4 protective cover, 5 turntable, 6 blades, 7 annular disk, 8 shaft, 9 connecting piece, 10 crawler, 11 motor, 12 scraper, 13 slide, 14 slider, 15 sewage outlet, 16 pull plate, 17 air intake cover, 18 air filter port, 19 annular groove, 20 brush, 21 connecting block. DETAILED DESCRIPTION

[0017] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Reference Figure 1-Figure 4The integrated axial flow energy-saving, corrosion-resistant and dust-removing centrifugal fan comprises: a base 1, the upper surface of the base 1 is fixedly connected to a fan case 3 through a bracket 2, a turntable 5 and an annular disk 7 are rotatably connected to the two inner sides of the fan case 3, a plurality of blades 6 are fixedly connected in a circular array between the turntable 5 and the annular disk 7, a cleaning component is arranged in the fan case 3, a transmission component is arranged on the back of the fan case 3, and a dust removal component is arranged on the front of the fan case 3; the transmission component comprises a connecting member 9, a crawler 10 and a motor 11, the motor 11 is fixedly connected to the upper surface of the base 1, a connecting member 9 is fixedly connected to the side of the turntable 5 through a transmission shaft, and a transmission component is arranged on the front of the fan case 3. The driving shaft passes through and is rotatably connected to the fan case 3, a connecting member 9 is fixedly connected to the output end of the motor 11, two transmission grooves are provided on the side of the connecting member 9, and the crawler 10 is slidably connected to the transmission groove; the side of the fan case 3 away from the motor 11 is fixedly connected with a protective cover 4, the cleaning component is arranged in the protective cover 4, the cleaning component includes the protective cover 4, a scraper 12 and a slider 14, a slide groove 13 is provided on the side of the fan case 3, the slider 14 is slidably connected in the slide groove 13, the scraper 12 is arranged in the fan case 3, the scraper 12 is fixedly connected to the inner side of the slider 14, the lower end of the scraper 12 is closely attached to the inner bottom surface of the fan case 3, and the fan case 3 The inner bottom surface is provided with a sewage outlet 15, and a pull plate 16 is engaged and connected in the sewage outlet 15. The scraper 12 can be driven by the sliding of the control slider 14 to clean the inside of the fan chassis 3, thereby avoiding the pollution of the inside of the fan chassis 3 by pollutants, and a protective cover 4 is arranged outside the slide slot to ensure the normal operation of the fan; the dust removal component includes a dust filtering structure and a cleaning structure, the dust filtering structure includes an air intake cover 17, the air intake cover 17 passes through the protective cover 4 and is fixedly connected to the side of the fan chassis 3, and a plurality of air filter ports 18 are provided at one end of the air intake cover 17 away from the motor 11, and the cleaning structure includes a rotating shaft 8, a brush 20 and a connecting block 21, and the rotating shaft 8 is fixedly connected On the side of the turntable 5, the rotating shaft 8 passes through the side of the annular disk 7 and the air inlet cover 17. The side of the air inlet cover 17 is provided with an annular groove 19, and the annular groove 19 is provided on the outside of the air filter port 18. The connecting block 21 is slidably connected in the annular groove 19, and the brush is fixedly connected between the rotating shaft 8 and the connecting block 21. The air inlet cover 17 is connected to the side of the fan chassis 3 by setting the air inlet cover 17, and the air filter port is set at the outer end of the air inlet cover 17. In the process of sucking in external air, the dust in the gas will be filtered, and the brush 20 is connected to the outside of the air inlet cover 17 through the rotating shaft 8. The rotation of the brush 20 is driven by the rotating shaft 8 to clean the air filter port 18.

[0019] The utility model sets an arc-shaped slide groove 13 on the surface of the fan case 3, sets a slider 14 to be slidably connected in the slide groove 13, sets a scraper 12 in the fan case 3 and is close to the bottom surface of the case, and fixes the scraper 12 to the inner side of the slider 14, so that the scraper 12 can be driven to clean the fan case 3 by controlling the sliding of the slider 14, thereby avoiding the pollution of the inside of the fan case 3 by pollutants, and sets a protective cover 4 outside the slide groove to ensure the normal operation of the fan; by setting an air intake cover 17 to be connected to the side of the fan case 3, and setting an air filter port at the outer end of the air intake cover 17, the dust in the gas will be filtered in the process of sucking in the external air, and a brush 20 is connected to the outer side of the air intake cover 17 through the rotating shaft 8, and the rotation of the brush 20 is driven by the rotating shaft 8 to clean the air filter port 18.

Claims

1. Integrated axial flow energy-saving, anti-corrosion and dust-removing centrifugal fan, characterized by: The invention comprises a base (1), the upper surface of the base (1) being fixedly connected to a fan case (3) via a bracket (2), a rotating disk (5) and an annular disk (7) being rotatably connected to two inner side surfaces of the fan case (3), a plurality of blades (6) being fixedly connected in an annular array between the rotating disk (5) and the annular disk (7), a cleaning component being provided in the fan case (3), a transmission component being provided on the back of the fan case (3), and a dust removal component being provided on the front of the fan case (3), the transmission component comprising a connecting piece (9), a crawler belt (10) and a motor (11), the motor The motor (11) is fixedly connected to the upper surface of the base (1); one of the connecting members (9) is fixedly connected to the side of the rotating disk (5) via a transmission shaft; the transmission shaft penetrates and is rotatably connected to the fan housing (3); one of the connecting members (9) is fixedly connected to the output end of the motor (11); two transmission grooves are provided on the side of the connecting member (9); the crawler belt (10) is slidably connected to the transmission grooves; a protective cover (4) is fixedly connected to the side of the fan housing (3) away from the motor (11); the cleaning component is arranged in the protective cover (4); the cleaning component comprises a protective cover (4), a scraper The fan housing (3) comprises a plate (12) and a slider (14), a slide groove (13) is provided on the side of the fan housing (3), the slider (14) is slidably connected in the slide groove (13), the scraper (12) is arranged in the fan housing (3), the scraper (12) is fixedly connected to the inner side of the slider (14), the lower end of the scraper (12) is closely attached to the inner bottom surface of the fan housing (3), the dust removal component comprises a dust filtering structure and a cleaning structure, the dust filtering structure comprises an air intake cover (17), the air intake cover (17) passes through the protective cover (4) and is fixedly connected to the side of the fan housing (3), the air intake cover (17) A plurality of air filter ports (18) are provided at one end away from the motor (11), the cleaning structure comprising a rotating shaft (8), a brush (20) and a connecting block (21), the rotating shaft (8) being fixedly connected to the side of the rotating disk (5), the rotating shaft (8) penetrating the side of the annular disk (7) and the air inlet cover (17), the side of the air inlet cover (17) being provided with an annular groove (19), the annular groove (19) being provided on the outside of the air filter port (18), the connecting block (21) being slidably connected in the annular groove (19), and the brush being fixedly connected between the rotating shaft (8) and the connecting block (21).

2. The integrated axial flow energy-saving, anti-corrosion and dust-removing centrifugal fan according to claim 1 is characterized in that: The inner bottom surface of the fan housing (3) is provided with a sewage outlet (15), and a pull plate (16) is snap-fitted and connected inside the sewage outlet (15).

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