Adjustable mixed flow fan
By installing a servo motor-driven brush cleaning device on the mixed flow fan, the problem of blockage caused by long-term use of dust and impurities is solved, and the normal ventilation and efficient operation of the fan is achieved.
Patent Information
- Application Number
- CN202421012877.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The protective net on the mixed flow fan will adhere to a lot of dust and impurities during long-term use, resulting in blockage, affecting the normal ventilation effect and use efficiency of the fan.
An adjustable mixed flow fan is designed, and a brush cleaning device driven by a servo motor is used to regularly remove dust and impurities on the protective net to ensure the normal operation of the fan.
It effectively prevents the protection net from being blocked, ensures the normal ventilation effect and use efficiency of the fan, and extends the service life of the fan.
Smart Images
Figure CN222596411U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mixed flow fans, in particular to an adjustable mixed flow fan. Background Art
[0002] A mixed flow fan is a fan between an axial flow fan and a centrifugal fan. The wind pressure coefficient of a mixed flow fan is higher than that of an axial flow fan, and the flow coefficient is larger than that of a centrifugal fan.
[0003] When a traditional mixed flow fan is in use, it is set at a designated position, and then the control panel is operated to start the mixed flow fan, so that the motor of the mixed flow fan rotates, and then the fan blades rotate. Generally, when the mixed flow fan is in use, a protective net is installed at the rear end to reduce dust and impurities from entering the fan, making the fan components less vulnerable to damage and extending its service life. However, it is found in actual use that the protective net on the mixed flow fan will adhere to a lot of dust and impurities during long-term use, which will cause the protective net to be blocked, affecting the normal ventilation effect of the fan and reducing the use effect and work efficiency of a large number of mixed flow fans. Utility Model Content
[0004] The purpose of the utility model is to solve the problem in the prior art that the protective net on the mixed flow fan will adhere to a lot of dust and impurities during long-term use, which will cause the protective net to be blocked, affecting the normal ventilation effect of the fan and reducing the use effect and work efficiency of a large number of mixed flow fans, and propose an adjustable mixed flow fan.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an adjustable mixed flow fan, comprising a fan body, a fan frame and an adjusting device, the surface of the fan body is fixedly connected with a control panel, the fan frame is installed on one side surface of the fan body with the aid of the adjusting device, one side surface of the fan frame is fixedly connected with a protective net, the surface of the protective net is provided with an auxiliary device, the auxiliary device comprises a servo motor, the servo motor is fixedly connected to the surface of the protective net, the output end of the servo motor is penetrated through the surface of the protective net, the output end of the servo motor is clamped with a mounting block, the surface of the mounting block is fixedly connected with three brushes, the surface of the mounting block is threadedly connected with bolts, and the bolts are threadedly connected to the output end of the servo motor.
[0006] The effect achieved by the above components is: when the mixed flow fan is in use, the protective net can protect the fan normally and effectively, making it difficult for dust and impurities to enter the inside of the fan, and making it difficult for the protective net to excessively adhere to dust and cause blockage, thereby affecting the ventilation effect of the fan, thereby ensuring the normal use effect and work efficiency of the fan.
[0007] Preferably, a knob is fixedly connected to one side surface of the bolt, and a plurality of anti-slip protrusions are provided on the surface of the knob.
[0008] The effects achieved by the above components are: through the setting of the knob, the use of the bolt is more convenient, the brush can be assembled more conveniently, and the convenience of using the auxiliary device is improved.
[0009] Preferably, a protective ring is sleeved on the output end of the servo motor, and the protective ring is fixedly connected to the surface of the servo motor.
[0010] The effect achieved by the above components is: through the provision of the protection ring, it is difficult for dust and impurities to enter the interior of the servo motor from the output end when the servo motor is in use, thereby ensuring the normal use of the servo motor.
[0011] Preferably, two card slots are provided on one side surface of the mounting block, and card blocks are respectively engaged with inner walls of the two card slots, and the card blocks are fixedly connected to the output end of the servo motor.
[0012] The effect achieved by the above components is that the installation of the installation block is made more firmly through the clamping arrangement of the clamping block and the clamping slot, thereby promoting a more stable assembly of the brush.
[0013] Preferably, one side surface of the three brushes is respectively provided with a limiting groove, the inner wall of the fan frame is fixedly connected to a limiting ring, and the limiting ring is slidably connected to the inner wall of the limiting groove.
[0014] The effect achieved by the above components is: through the sliding arrangement of the limiting ring and the limiting groove, the brush can be in more stable contact with the surface of the protective net when rotating, thereby improving the use effect of the brush.
[0015] Preferably, the adjusting device includes an adjusting disk, which is fixedly connected to the surface of the fan body, and one side surface of the fan frame is rotatably connected to the surface of the adjusting disk. A fixing plate is fixedly connected to the surface of the fan frame, and a fixing rod is inserted through the surface of the fixing plate. A plurality of evenly distributed fixing grooves are provided on the surface of the adjusting disk, and the fixing rod is clamped with the inner wall of the fixing groove.
[0016] The effect achieved by the above components is that when the fan body is in use, the blowing position angle can be conveniently adjusted, which improves the convenience and work efficiency of the fan body and also improves its functionality.
[0017] Preferably, inner walls of several of the fixing grooves are respectively fixedly connected with reinforcement rings, and the reinforcement rings are rubber rings.
[0018] The effect achieved by the above components is that, through the provision of the reinforcement ring, the friction force when the fixing rod is inserted into the fixing groove is further increased, thereby making the position of the wind turbine rack more stable.
[0019] Preferably, a spring is sleeved on the arc surface of the fixing rod, and two ends of the spring are fixedly connected to the fixing plate and the fixing rod respectively.
[0020] The effect achieved by the above components is: through the setting of the spring, after the angle adjustment of the fan frame is completed, the fixing rod will automatically insert into the fixing groove under the resetting effect of the spring, thereby improving the convenience of using the adjustment device.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, when the mixed flow fan is in use, the protective net can normally and effectively protect the fan, making it difficult for dust and impurities to enter the interior of the fan, and making it difficult for the protective net to excessively adhere to dust and cause blockage, thereby affecting the ventilation effect of the fan, thereby ensuring the normal use effect and working efficiency of the fan. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A schematic diagram of the three-dimensional structure of this application;
[0024] Figure 2 A schematic diagram of the three-dimensional structure of the auxiliary device of this application;
[0025] Figure 3 For this application Figure 2 A schematic diagram of the side three-dimensional structure;
[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the regulating device of this application.
[0027] Legend: 1. Fan body; 2. Control panel; 3. Fan frame; 4. Protective net; 5. Auxiliary device; 51. Servo motor; 52. Mounting block; 53. Brush; 54. Bolt; 55. Knob; 56. Protective ring; 57. Slot; 58. Block; 59. Limiting ring; 510. Limiting slot; 6. Adjusting device; 61. Adjusting disk; 62. Fixing plate; 63. Fixing rod; 64. Fixing slot; 65. Reinforcement ring; 66. Spring. DETAILED DESCRIPTION
[0028] Embodiment 1, as Figure 1 As shown, an adjustable mixed flow fan includes a fan body 1, a fan frame 3 and an adjusting device 6, a control panel 2 is fixedly connected to the surface of the fan body 1, the fan frame 3 is installed on one side surface of the fan body 1 with the aid of the adjusting device 6, a protective net 4 is fixedly connected to one side surface of the fan frame 3, and an auxiliary device 5 is arranged on the surface of the protective net 4.
[0029] Reference Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment: the auxiliary device 5 includes a servo motor 51, the servo motor 51 is fixedly connected to the surface of the protective net 4, the output end of the servo motor 51 is penetrated through the surface of the protective net 4, the output end of the servo motor 51 is clamped with a mounting block 52, the surface of the mounting block 52 is fixedly connected with three brushes 53, the surface of the mounting block 52 is threadedly connected with a bolt 54, the bolt 54 is threadedly connected to the output end of the servo motor 51, when the mixed flow fan is in use, the auxiliary device 5 is first installed on the protective net 4, and the brush 53 is fixedly installed on the output end of the servo motor 51 with the bolt 54, the fan body 1 is moved to the specified position, and then the fan body 1 is operated. The control panel 2 starts the motor in the fan frame 3 to rotate the fan blades. Then, during the long-term use of the mixed flow fan, the servo motor 51 on the protective net 4 is started. The rotation of the servo motor 51 will drive the brush 53 on its output end to rotate, so that the brush 53 rotates and rubs against the inner side of the protective net 4, thereby removing dust and impurities adhered to the protective net 4. At this time, when the mixed flow fan is in use, the protective net 4 can normally and effectively protect the fan, making it difficult for dust and impurities to enter the inside of the fan, and making it difficult for the protective net 4 to be excessively adhered to dust and cause blockage, thereby affecting the ventilation effect of the fan, thereby ensuring the normal use effect and work efficiency of the fan.
[0030] Reference Figure 1 , Figure 2 and Figure 3 As shown, in the present embodiment: a knob 55 is fixedly connected to one side surface of the bolt 54, and a plurality of anti-slip protrusions are provided on the surface of the knob 55. The provision of the knob 55 makes it more convenient to use the bolt 54, and the brush 53 can be assembled more conveniently, thereby improving the convenience of using the auxiliary device 5. A protective ring 56 is sleeved on the output end of the servo motor 51, and the protective ring 56 is fixedly connected to the surface of the servo motor 51. The provision of the protective ring 56 makes it difficult for dust and impurities to enter the interior of the servo motor 51 from the output end when the servo motor 51 is in use, thereby ensuring the normal use of the servo motor 51.
[0031] Reference Figure 1 , Figure 2 and Figure 3As shown, in the present embodiment: two card slots 57 are provided on one side surface of the mounting block 52, and the inner walls of the two card slots 57 are respectively clamped with card blocks 58, and the card blocks 58 are fixedly connected to the output end of the servo motor 51. The clamping setting of the card blocks 58 and the card slots 57 makes the installation of the mounting block 52 more secure, thereby promoting the assembly of the brush 53 to be more stable, and limiting grooves 510 are respectively provided on one side surface of the three brushes 53, and the inner wall of the wind frame 3 is fixedly connected with a limiting ring 59, and the limiting ring 59 is slidably connected to the inner wall of the limiting groove 510. Through the sliding setting of the limiting ring 59 and the limiting groove 510, the brush 53 is more stably in contact with the surface of the protective net 4 when rotating, thereby improving the use effect of the brush 53.
[0032] Reference Figure 1 and Figure 4 As shown, in this embodiment: the adjusting device 6 includes an adjusting disk 61, the adjusting disk 61 is fixedly connected to the surface of the fan body 1, and one side surface of the fan frame 3 is rotatably connected to the surface of the adjusting disk 61; a fixing plate 62 is fixedly connected to the surface of the fan frame 3, and a fixing rod 63 is inserted through the surface of the fixing plate 62; a plurality of evenly distributed fixing grooves 64 are opened on the surface of the adjusting disk 61, and the fixing rod 63 is snapped with the inner wall of the fixing groove 64. When it is necessary to change the blowing angle of the fan body 1, the fan frame 3 is first rotated to make the fan frame 3 rotate on the surface of the fan body 1. After adjusting to a suitable position, the fixing rod 63 is inserted along the surface of the fixing plate 62 until the fixing rod 63 is inserted into the fixing groove 64 on the surface of the adjusting disk 61, so that the position of the fan frame 3 is fixed. At this time, when the fan body 1 is in use, the blowing position angle can be conveniently adjusted, which improves the convenience and work efficiency of the use of the fan body 1 and also improves its functionality.
[0033] Reference Figure 1 and Figure 4 As shown, in the present embodiment: the inner walls of several fixing grooves 64 are respectively fixedly connected with reinforcement rings 65, and the reinforcement rings 65 are rubber rings. Through the setting of the reinforcement rings 65, the friction force when the fixing rod 63 is inserted into the fixing groove 64 is further increased, thereby making the position of the wind frame 3 more stable. A spring 66 is sleeved on the arc surface of the fixing rod 63, and the two ends of the spring 66 are respectively fixedly connected to the fixing plate 62 and the fixing rod 63. Through the setting of the spring 66, after the angle adjustment of the wind frame 3 is completed, the fixing rod 63 will automatically be inserted into the fixing groove 64 under the resetting effect of the spring 66, thereby improving the convenience of using the adjustment device 6.
[0034] Working principle: When the mixed flow fan is in use, first install the auxiliary device 5 on the protective net 4, and use the bolt 54 to fix the brush 53 on the output end of the servo motor 51, move the fan body 1 to the specified position, and then operate the control panel 2 to start the motor in the fan frame 3 to rotate the fan blades. Then, during the long-term use of the mixed flow fan, start the servo motor 51 on the protective net 4. The rotation of the servo motor 51 will drive the brush 53 on its output end to rotate, so that the brush 53 rotates and rubs against the inner side of the protective net 4, thereby removing dust and impurities adhered to the protective net 4. At this time, when the mixed flow fan is in use, the protective net 4 can protect the fan normally and effectively, making it difficult for dust and impurities to enter the interior of the fan, and making it difficult for the protective net 4 to excessively adhere to dust and cause blockage, thereby affecting the ventilation effect of the fan, thereby ensuring the normal use effect and work efficiency of the fan.
[0035] When the blowing angle of the fan body 1 needs to be changed, the fan frame 3 is first rotated to make the fan frame 3 rotate on the surface of the fan body 1. After adjusting to a suitable position, the fixing rod 63 is loosened. The fixing rod 63 is inserted along the surface of the fixing plate 62 under the action of the spring 66 until the fixing rod 63 is inserted into the fixing groove 64 on the surface of the adjustment disk 61, so that the position of the fan frame 3 is fixed. At this time, the fan body 1 can be used to conveniently adjust the blowing position angle, which improves the convenience and work efficiency of the fan body 1 and also improves its functionality.
Claims
1. An adjustable mixed flow fan, comprising a fan body (1), a fan frame (3) and an adjustment device (6), characterized in that: A control panel (2) is fixedly connected to the surface of the fan body (1); the fan frame (3) is mounted on one side surface of the fan body (1) by means of an adjustment device (6); a protective net (4) is fixedly connected to the one side surface of the fan frame (3); an auxiliary device (5) is arranged on the surface of the protective net (4); the auxiliary device (5) comprises a servo motor (51); the servo motor (51) is fixedly connected to the surface of the protective net (4); the output end of the servo motor (51) is penetrated through the surface of the protective net (4); a mounting block (52) is clamped at the output end of the servo motor (51); three brushes (53) are fixedly connected to the surface of the mounting block (52); a bolt (54) is threadedly connected to the surface of the mounting block (52); the bolt (54) is threadedly connected to the output end of the servo motor (51).
2. The adjustable mixed flow fan according to claim 1, characterized in that: A knob (55) is fixedly connected to one side surface of the bolt (54), and a plurality of anti-slip protrusions are provided on the surface of the knob (55).
3. The adjustable mixed flow fan according to claim 1, characterized in that: A protective ring (56) is sleeved on the output end of the servo motor (51), and the protective ring (56) is fixedly connected to the surface of the servo motor (51).
4. The adjustable mixed flow fan according to claim 1, characterized in that: Two card slots (57) are provided on one side surface of the installation block (52), and card blocks (58) are respectively engaged with the inner walls of the two card slots (57), and the card blocks (58) are fixedly connected to the output end of the servo motor (51).
5. The adjustable mixed flow fan according to claim 1, characterized in that: Limiting grooves (510) are respectively provided on one side surface of the three brushes (53); a limiting ring (59) is fixedly connected to the inner wall of the fan frame (3); and the limiting ring (59) is slidably connected to the inner wall of the limiting groove (510).
6. The adjustable mixed flow fan according to claim 1, characterized in that: The adjusting device (6) comprises an adjusting disk (61), the adjusting disk (61) being fixedly connected to the surface of the fan body (1), a side surface of the fan frame (3) being rotatably connected to the surface of the adjusting disk (61), a fixing plate (62) being fixedly connected to the surface of the fan frame (3), a fixing rod (63) being inserted through the surface of the fixing plate (62), a plurality of evenly distributed fixing grooves (64) being provided on the surface of the adjusting disk (61), and the fixing rod (63) being clamped to the inner wall of the fixing groove (64).
7. The adjustable mixed flow fan according to claim 6, characterized in that: The inner walls of the plurality of fixing grooves (64) are respectively fixedly connected with reinforcement rings (65), and the reinforcement rings (65) are rubber rings.
8. The adjustable mixed flow fan according to claim 6, characterized in that: A spring (66) is sleeved on the arc surface of the fixing rod (63), and two ends of the spring (66) are fixedly connected to the fixing plate (62) and the fixing rod (63) respectively.