Fan air inlet

Abstract

The draught fan air inlet comprises a draught fan, an air inlet pipe is welded to the air inlet end of the draught fan, a maintenance groove is formed in the middle of the top end of the air inlet pipe, clamping grooves are formed in the two ends of the inner side of the air inlet pipe, bearings are clamped and embedded into the inner sides of the two clamping grooves, and rotating impeller rods are rotationally connected to the inner sides of the two bearings; a filter plate is fixed to the air inlet end of the air inlet pipe through a bolt, supporting rods are welded to the two ends of the outer side of the air inlet pipe correspondingly, and belt wheels are rotationally connected to one end of one supporting rod and one end of the outer side of the air inlet pipe correspondingly. The automatic cleaning mechanism is driven to rotate through the belt pulley and the belt, the automatic cleaning mechanism can clean dust on the outer side of the filtering mechanism, and compared with the prior art, the automatic cleaning function is achieved, and the later maintenance time can be shortened for operators.

Description

Technical Field

[0001] The present application relates to the technical field of fans, and in particular to an air inlet of a fan. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine, a gas compression and gas transportation machine that converts rotational mechanical energy into gas pressure energy and kinetic energy and transports the gas. It is widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings.

[0003] Compared with the actual use process, one of the existing fans currently has a filter mechanism that is slidably embedded in the air inlet. The filter mechanism filters external debris when the air is incoming. However, this filter mechanism will become clogged after long-term use and needs to be replaced manually. However, for some fans whose air inlet end is too high, it will cause trouble for the operator's replacement operation.

[0004] Therefore, in order to solve the above problems, the present application provides a fan air inlet.

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to solve the problem that the filtering mechanism at the air inlet end of the fan cannot be self-cleaned, the present application provides an air inlet for the fan.

[0007] A fan air inlet provided by the present application includes a fan, wherein an air inlet pipe is welded to the air inlet end of the fan, a maintenance groove is provided in the middle of the top end of the air inlet pipe, and slots are provided at both ends of the inner side of the air inlet pipe, bearings are embedded in the inner sides of two of the slots, and rotating impeller rods are rotatably connected to the inner sides of two of the bearings, a filter plate is fixed to the air inlet end of the air inlet pipe by bolts, support rods are welded to both ends of the outer side of the air inlet pipe, one end of the support rod and one end of the outer side of the air inlet pipe are both rotatably connected to pulleys, a belt is sleeved on the outer sides of the two pulleys, a connecting rotating rod is rotatably connected between the two support rods, and a broom is fixed to the outer surface of one end of the connecting rotating rod by bolts.

[0008] Preferably, one end of the rotating impeller rod passes through the air inlet pipe and is connected to one end of a pulley.

[0009] Preferably, a baffle is fixed on the inner side of the maintenance groove by bolts.

[0010] Preferably, a clamping plate is sleeved on the inner side of the clamping slot and the outer side of the bearing.

[0011] Preferably, one end of the broom is in contact with the outer surface of the filter plate, the outer surface of one end of the filter plate is semicircular, and the length of the broom is the same as the radius of the filter plate.

[0012] Preferably, the power input end of the fan is connected to the power output end of the external control terminal, and the air outlet end of the fan is connected to an air outlet duct.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. By rotating the rotating impeller rod connected to the inside of the air inlet pipe, the wind driven by the fan when it takes in air provides power for the rotating impeller rod, and the automatic cleaning mechanism is driven to rotate through the pulley and belt. At that time, the automatic cleaning mechanism will clean the dust on the outside of the filter mechanism. Compared with the existing technology, it has the function of automatic cleaning, which can reduce the time of later maintenance for the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the fan installation structure in Example 1 of the present application;

[0016] Figure 2 It is a schematic diagram of the pulley installation structure in the first embodiment of the present application;

[0017] Figure 3 It is a schematic diagram of the installation structure of the rotating impeller rod in Example 1 of the present application.

[0018] Explanation of the reference numerals: 1. fan; 2. air inlet pipe; 3. maintenance slot; 4. clamping slot; 5. bearing; 6. rotating impeller rod; 7. filter plate; 8. support rod; 9. pulley; 10. belt; 11. connecting rod; 12. broom; 13. baffle; 14. clamping plate; 15. air outlet pipe. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-Figure 3 This application is described in further detail.

[0020] Embodiment 1

[0021] Reference Figure 1-Figure 3A fan air inlet comprises a fan 1, an air inlet pipe 2 is welded to the air inlet end of the fan 1, a maintenance groove 3 is provided in the middle of the top of the air inlet pipe 2, a card slot 4 is provided at both ends of the inner side of the air inlet pipe 2, bearings 5 ​​are embedded in the inner sides of the two card slots 4, and a rotating impeller rod 6 is rotatably connected to the inner sides of the two bearings 5. In order to provide power for the self-cleaning mechanism, a filter plate 7 is fixed to the air inlet end of the air inlet pipe 2 by bolts, support rods 8 are welded to both ends of the outer side of the air inlet pipe 2, and a pulley 9 is rotatably connected to one end of the support rod 8 and the outer side of the air inlet pipe 2. In order to provide power transmission for the self-cleaning mechanism, one end of the rotating impeller rod 6 passes through the air inlet pipe 2 and is connected to one end of a pulley 9, and a pulley 9 is sleeved on the outer sides of the two pulleys 9. Belt 10, a connecting rod 11 is rotatably connected between the two support rods 8, and a broom 12 is fixed to the outer surface of one end of the connecting rod 11 by bolts. In order to clean the filtering mechanism, a baffle 13 is fixed to the inner side of the maintenance groove 3 by bolts, and a card plate 14 is sleeved on the outer side of the bearing 5 on the inner side of the card slot 4. One end of the broom 12 is in contact with the outer surface of the filter plate 7, and the outer surface of one end of the filter plate 7 is semicircular. The length of the broom 12 is the same as the radius of the filter plate 7. In order to enable the cleaning mechanism to sweep across the entire surface of the filtering mechanism and make the cleaning process more thorough, the power input end of the fan 1 is connected to the power output end of the external control terminal, and the air outlet end of the fan 1 is connected to the air outlet pipe 15.

[0022] Working principle: First, the operator installs the equipment at the designated location. After the installation is completed, the operator starts the fan 1. At that time, the fan 1 will draw air toward the air inlet pipe 2, and the air inlet pipe 2 will draw air toward the filter plate 7 installed at one end of the air inlet pipe 2. During this period, the filter plate 7 will filter out foreign debris and dust. During this period, the wind inside the air inlet pipe 2 will drive the rotating impeller rod 6 connected to the inside of the air inlet pipe 2 to rotate, and the rotating impeller rod 6 will drive the pulley 9 welded at one end thereof to rotate, and the pulley 9 will drive the belt 10 sleeved on its outer side to rotate, and the belt 10 will drive another pulley 9 to rotate, and the pulley 9 will drive the connecting rotating rod 11 connected to one end thereof to rotate, and during this period, the connecting rotating rod 11 will drive the broom 12 installed on the outer side of one end thereof by bolts to rotate;

[0023] Since the length of the broom 12 is the same as the radius of the semicircular filter plate 7, the broom 12 will sweep over the outer surface of one end of the filter plate 7 to sweep away the dust on the outer side of the filter plate 7. During this period, the two support rods 8 can support and fix the cleaning mechanism, which can ensure that the air inlet end of the fan installed at a high place can have an automatic cleaning function. If the device fails in the later stage, the baffle 13 can be opened to remove the rotating impeller rod 6 from the inside of the air inlet pipe 2 through the card slots 4 opened at both ends of the inner side. This card-embedded fixing method can simplify the assembly and disassembly of the device. Finally, the filtered wind will be discharged to the outside through the air outlet pipe 15 connected to one end of the fan 1. This design can extend the service life of the device and is also more convenient for device maintenance. The card plate 14 can block rainwater from the outside and protect the air inlet pipe 2 from rainwater.

[0024] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A fan air inlet, comprising a fan (1), characterized in that: An air inlet pipe (2) is welded to the air inlet end of the fan (1), a maintenance groove (3) is provided in the middle of the top of the air inlet pipe (2), a clamping groove (4) is provided at both ends of the inner side of the air inlet pipe (2), bearings (5) are clamped in the inner sides of the two clamping grooves (4), and a rotating impeller rod (6) is rotatably connected to the inner sides of the two bearings (5), a filter plate (7) is fixed to the air inlet end of the air inlet pipe (2) by bolts, support rods (8) are welded to both ends of the outer side of the air inlet pipe (2), one end of the support rod (8) and one end of the outer side of the air inlet pipe (2) are rotatably connected to a pulley (9), a belt (10) is sleeved on the outer sides of the two pulleys (9), a connecting rod (11) is rotatably connected between the two support rods (8), and a broom (12) is fixed to the outer surface of one end of the connecting rod (11) by bolts.

2. A fan air inlet according to claim 1, characterized in that: One end of the rotating impeller rod (6) passes through the air inlet pipe (2) and is connected to one end of a pulley (9).

3. The fan air inlet according to claim 1, characterized in that: A baffle (13) is fixed inside the maintenance groove (3) by means of bolts.

4. The fan air inlet according to claim 1, characterized in that: A clamping plate (14) is sleeved on the inner side of the clamping groove (4) and the outer side of the bearing (5).

5. The fan air inlet according to claim 1, characterized in that: One end of the broom (12) is in contact with the outer surface of the filter plate (7), the outer surface of one end of the filter plate (7) is semicircular, and the length of the broom (12) is the same as the radius of the filter plate (7).

6. The fan air inlet according to claim 1, characterized in that: The power input end of the fan (1) is connected to the power output end of an external control terminal, and the air outlet end of the fan (1) is connected to an air outlet pipe (15).

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