Novel efficient oil smoke exhaust centrifugal fan
By setting an adsorption arc plate around the rotating fan blade of the oil fume centrifugal fan, and by rotating the rotating plate and the second rotation shaft, the adsorption arc plate can be manually replaced, solving the problem of difficult oil stains in the prior art, and achieving efficient oil stain adsorption and cleaning.
Patent Information
- Application Number
- CN202421382854.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The existing oil fume centrifugal fans do not have oil stains around the rotor, which makes it difficult to clean up the oil stains deposited in the equipment.
A new high-efficiency oil fume exhaust centrifugal fan is designed, and an adsorption arc plate is arranged around the rotating fan blade. The oil stains are thrown towards the adsorption arc plate by centrifugal force, and the rotational arrangement between the rotating plate and the second rotation shaft is made to enable manual replacement.
It realizes efficient adsorption and cleaning of oil stains, simplifies the maintenance and maintenance process of the equipment, and improves the working efficiency of the equipment.
Smart Images

Figure CN222688294U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil fume exhaust centrifugal fans, in particular to a novel high-efficiency oil fume exhaust centrifugal fan. Background Art
[0002] A centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. In daily use in the kitchen, a large amount of oil smoke will be generated. To address the existing problem, people will use an exhaust centrifugal fan to discharge the oil smoke in the kitchen into the air.
[0003] The prior art mostly adopts a fume exhaust centrifugal fan disclosed in announcement number CN216589305U, which includes a base, a damping spring shock absorber is connected to the top of the base, the upper end of the damping spring shock absorber is connected to a cabinet case, the inner cavity of the cabinet case is connected to a vertical partition, and the left and right sides of the vertical partition are respectively provided with a left chamber and a right chamber, the bottom of the inner cavity of the left chamber is connected to a base, the upper end of the base is connected to a centrifuge casing, the air outlet pipe of the centrifuge casing passes through the right chamber, and an impeller is installed in the centrifuge casing.
[0004] After long-term use in the kitchen, the centrifugal fan for exhausting oil fumes will accumulate a lot of oil stains and smoke. The usual centrifugal fan for exhausting oil fumes does not have components for absorbing oil stains around the impeller, which makes it difficult to clean the oil stains accumulated in the equipment. Therefore, the existing equipment is not particularly suitable for exhausting oil fumes. Utility Model Content
[0005] The utility model aims to solve the problem that the conventional oil fume exhaust centrifugal fan in the prior art has no components for absorbing oil stains around the impeller, which makes it difficult to clean the oil stains accumulated in the equipment, and proposes a new type of high-efficiency oil fume exhaust centrifugal fan.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A novel high-efficiency oil fume exhaust centrifugal fan comprises a main body, a motor base is fixedly connected to the rear side of the main body, a driving motor is fixedly connected to the motor base, a first rotating shaft is arranged on the driving motor, rotating blades are arranged around the first rotating shaft, a fan housing is fixedly connected to the main body, an oil fume suction port is arranged on the fan housing, and an oil fume outlet is arranged on the lower side of the fan housing;
[0008] A circular slide groove is fixedly connected in the main body, an adsorption arc plate is arranged in the circular slide groove, a support plate is fixedly connected to the front side of the main body, a second rotating shaft is rotatably connected in the support plate, a rotating plate is arranged on the second rotating shaft, and a cover plate is fixedly connected to one end of the rotating plate.
[0009] Preferably, one end of the first rotating shaft penetrates and is connected in the main body, and the output end of the driving motor is fixedly connected to one end of the first rotating shaft extending outside the main body.
[0010] Preferably, a plurality of rotating blades are provided, and all are fixedly connected around the first rotating shaft.
[0011] Preferably, a first notch is provided at the upper end of the adsorption arc plate and is located at one side of the oil fume suction port.
[0012] Preferably, the adsorption arc plate is slidably sleeved in the circular slide groove, and a second notch is opened at the lower end of the adsorption arc plate and is opened at one side of the oil smoke outlet.
[0013] Preferably, the rotating plate is rotatably sleeved on the second rotating shaft.
[0014] Compared with the prior art, the utility model has the following advantages:
[0015] The utility model places the device around the stove, starts the driving motor, and the output end of the driving motor drives the first rotating shaft to rotate, the rotating fan blades separate the oil and the smoke, discharge the smoke from the oil smoke outlet, and throw the oil to the adsorption arc plate through centrifugal force. After a long period of adsorption, the adsorption arc plate cannot work, and the cover plate can be opened by the rotation setting of the rotating plate and the second rotating shaft, and then the adsorption arc plate is manually drawn out of the main body for replacement. The device is provided with an adsorption component that can be replaced at will for adsorbing oil smoke, which can make cleaning of oil stains more convenient and make work more efficient. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a structural schematic diagram of a new type of high-efficiency oil fume exhaust centrifugal fan proposed by the utility model;
[0017] Figure 2 This is a rear view of a new type of high-efficiency oil fume exhaust centrifugal fan proposed by the utility model;
[0018] Figure 3 This is a front cross-sectional view of a new type of high-efficiency oil fume exhaust centrifugal fan proposed by the utility model;
[0019] Figure 4 The utility model is a side sectional view of a novel high-efficiency oil fume exhaust centrifugal fan.
[0020] In the figure: 1. main body; 2. motor base; 3. driving motor; 4. first rotating shaft; 5. rotating fan blades; 6. fan housing; 7. oil fume suction port; 8. oil fume outlet; 9. circular slide; 10. adsorption arc plate; 11. support plate; 12. second rotating shaft; 13. rotating plate; 14. cover plate. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0022] Reference Figure 1-Figure 4 A novel high-efficiency oil fume exhaust centrifugal fan comprises a main body 1, a motor base 2 is fixedly connected to the rear side of the main body 1, a driving motor 3 is fixedly connected to the motor base 2, a first rotating shaft 4 is arranged on the driving motor 3, and rotating blades 5 are arranged around the first rotating shaft 4. Figure 1-Figure 4 It can be seen that the first rotating shaft 4 drives the rotating blades 5 to rotate, compresses the air with mechanical energy and then discharges it, and the fan housing 6 is fixedly connected to the main body 1, and the fan housing 6 is provided with an oil fume suction port 7, and the lower side of the fan housing 6 is provided with an oil fume outlet 8;
[0023] The main body 1 is fixedly connected to a circular chute 9, in which an adsorption arc plate 10 is arranged. Figure 1-Figure 4 It can be seen that the oil smoke suction port 7 sucks the oil smoke into the centrifugal fan, rotates the fan blades 5 to separate the oil and smoke, discharges the smoke from the oil smoke outlet 8, and throws the oil to the adsorption arc plate 10 by centrifugal force. Figure 1-Figure 4 It can be seen that the adsorption arc plate 10 is provided with adsorption holes, which can better absorb the oil stains. The front of the main body 1 is fixedly connected to the support plate 11, and the support plate 11 is rotatably connected to the second rotating shaft 12, and the second rotating shaft 12 is provided with a rotating plate 13;
[0024] One end of the rotating plate 13 is fixedly connected to a cover plate 14. Figure 1-Figure 4 It can be seen that a circular notch is provided in the main body 1, and a circular protrusion is fixedly connected to the cover plate 14, and the circular protrusion is slidably sleeved in the circular notch. Figure 1-Figure 4 It can be seen that after the adsorption arc plate 10 absorbs too much oil stains, the rotation of the rotating plate 13 and the second rotating shaft 12 allows the cover plate 14 to be opened, and the operator can use tools to clamp out the adsorption arc plate 10 and replace it with a new one.
[0025] One end of the first rotating shaft 4 is connected through the main body 1, and the output end of the driving motor 3 is fixedly connected to the end of the first rotating shaft 4 extending outside the main body 1. A plurality of rotating fan blades 5 are provided, and are all fixedly connected around the first rotating shaft 4. A first notch is opened at the upper end of the adsorption arc plate 10, and is opened on the side of the oil smoke intake port 7. The adsorption arc plate 10 is slidably sleeved in the circular slide groove 9. A second notch is opened at the lower end of the adsorption arc plate 10, and is opened on the side of the oil smoke outlet 8. The rotating plate 13 is rotatably sleeved on the second rotating shaft 12.
[0026] The functional principle of the utility model can be explained through the following operation mode: the device is placed around the stove, the driving motor 3 is started, the output end of the driving motor 3 drives the first rotating shaft 4 to rotate, the first rotating shaft 4 drives the rotating fan blades 5 to rotate, the centrifugal fan is started, the oil smoke is sucked into the centrifugal fan through the oil smoke suction port 7, the fan blades 5 are rotated to separate the oil and smoke, the smoke is discharged from the oil smoke outlet 8, and the oil is thrown to the adsorption arc plate 10 by centrifugal force. After a long period of adsorption, the adsorption arc plate 10 cannot work, and the cover plate 14 is opened by the rotation setting of the rotating plate 13 and the second rotating shaft 12, and then the adsorption arc plate 10 is manually pulled out of the main body 1 for replacement.
[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A novel high-efficiency oil fume exhaust centrifugal fan, comprising a main body (1), characterized in that: The rear side of the main body (1) is fixedly connected to a motor base (2), the motor base (2) is fixedly connected to a driving motor (3), the driving motor (3) is provided with a first rotating shaft (4), the first rotating shaft (4) is provided with rotating blades (5) around, the main body (1) is fixedly connected to a fan housing (6), the fan housing (6) is provided with an oil smoke intake port (7), and the lower side of the fan housing (6) is provided with an oil smoke outlet port (8); A circular slide groove (9) is fixedly connected to the main body (1), an adsorption arc plate (10) is arranged in the circular slide groove (9), the front of the main body (1) is fixedly connected to a support plate (11), a second rotating shaft (12) is rotatably connected to the support plate (11), a rotating plate (13) is arranged on the second rotating shaft (12), and one end of the rotating plate (13) is fixedly connected to a cover plate (14).
2. A novel high-efficiency oil fume exhaust centrifugal fan according to claim 1, characterized in that: One end of the first rotating shaft (4) passes through and is connected to the main body (1), and the output end of the driving motor (3) is fixedly connected to one end of the first rotating shaft (4) extending outside the main body (1).
3. A novel high-efficiency oil fume exhaust centrifugal fan according to claim 1, characterized in that: A plurality of rotating blades (5) are provided, and all are fixedly connected around the first rotating shaft (4).
4. A novel high-efficiency oil fume exhaust centrifugal fan according to claim 1, characterized in that: The upper end of the adsorption arc plate (10) is provided with a first notch, which is opened on one side of the oil fume suction port (7).
5. A novel high-efficiency oil fume exhaust centrifugal fan according to claim 1, characterized in that: The adsorption arc plate (10) is slidably sleeved in the circular slide groove (9), and a second notch is provided at the lower end of the adsorption arc plate (10) and is opened on one side of the oil smoke outlet (8).
6. A novel high-efficiency oil fume exhaust centrifugal fan according to claim 1, characterized in that: The rotating plate (13) is rotatably sleeved on the second rotating shaft (12).
Citation Information
Patent Citations
Integrated centrifugal cabinet type low-noise oil smoke exhaust fan
CN216589305U