CN216342869U - Composite body for sealing fan - Google Patents

Abstract

The utility model discloses a fan sealing compound, which comprises a fan casing mechanism, a connecting ring, an output fixing mechanism and a self-cleaning fan blade mechanism. One end of the fan casing mechanism is provided with an output fixing mechanism for providing power One end of the output fixing mechanism is fixed with a connecting ring for fixed connection with the fan casing mechanism, and the fan casing mechanism is internally provided with a self-cleaning fan blade mechanism that can automatically clean dust. The utility model adopts a sealed waterproof The mechanism and the running parts adopt the composite transition matching sealing technology, which fills the technical gap that the main running equipment in this professional field is free from water immersion, which increases the service life of the equipment several times and increases the safety factor. With the advantages of efficiency, low vibration and low noise, it has become an important supporting equipment in the exhaust gas emission system of international semiconductors, precision electronics, food, chemical industry, medicine, sewage treatment, metal processing and so on.

Description

A composite body for fan sealing

technical field

The utility model belongs to the technical field of centrifugal fans, in particular to a composite body for sealing of fans.

Background technique

The centrifugal fan is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine. Centrifugal fans are widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings for ventilation, dust removal and cooling. When the existing centrifugal fans are in use, the water droplets formed by condensation on the fan impeller will follow the wind. The motor runs into the motor and damages the motor. For this reason, we propose a fan sealing compound to solve the above problems.

Utility model content

The purpose of the present invention is to provide a composite body for sealing a fan, so as to solve the problem of water droplets formed by condensation when the fan is working, which damages the motor.

In order to achieve the above purpose, the utility model provides the following technical solutions: a composite body for fan sealing, comprising a fan casing mechanism, a connecting ring, an output fixing mechanism, and a self-cleaning fan blade mechanism, one end of the fan casing mechanism An output fixing mechanism for providing power is provided, one end of the output fixing mechanism is fixed with a connecting ring for fixed connection with the fan housing mechanism, and a self-cleaning fan capable of automatically cleaning dust is arranged inside the fan housing mechanism Leaf mechanism, a sealing and waterproofing mechanism is provided outside the output shaft on the output fixing mechanism, and the sealing and waterproofing mechanism includes a connecting sleeve, a sealing sleeve and a circular plate, the connecting sleeve is slidably sleeved on the outside of the output shaft, and the connection One end of the sleeve is fixed with a circular plate, and the other end of the circular plate is fixed with a sealing sleeve.

Preferably, the fan housing mechanism includes a fixed frame, an air outlet and a filter screen, one end of the fixed frame is fixed with a filter screen, one side of the fixed frame is fixed with an air outlet, and the self-cleaning fan blade mechanism Set inside the fixed frame.

Preferably, the output fixing mechanism includes a fixed motor, a support frame and an output shaft, the support frame is fixed on one end of the fixed frame, the fixed motor is fixed on the upper end of the support frame, and the output end of the fixed motor is fixed with the output The output shaft of the fixed motor passes through the fixed frame and is rotatably arranged inside the fixed frame.

Preferably, the self-cleaning fan blade mechanism includes a connecting shaft, a stopper, a fan blade plate, a fixed block, a return spring, a limit plate and a slider, the fixed block is arranged inside the fixed frame, and the fixed block rotates The outer wall of the fixed block is fixed with a fan blade plate, the other end of the fan blade plate is fixed with a stopper, and the connecting shaft is fixed on the outer walls of the upper and lower ends of the fan blade plate, so One end of the connecting shaft is fixed with a limiting plate, a sliding block is slidably sleeved on the outside of the connecting shaft, a restoring spring is fixed on one end of the sliding block, and the other end of the restoring spring is fixedly connected with one side outer wall of the fixing block.

Preferably, the outer wall of one end of the slider and the outer wall of one end of the fan blade can be completely fitted, and the width of the slider is the same as the width of the fan blade.

Compared with the prior art, the utility model provides a composite body for fan sealing, which has the following beneficial effects:

1. The utility model adopts a sealing and waterproof mechanism, and the running parts adopt the composite transition matching sealing technology, which fills the technical gap that the main running equipment in this professional field is free from water immersion, so that the service life of the equipment is increased several times, and the Safety factor, with the advantages of high performance, high efficiency, low vibration, low noise, etc., has become an important supporting equipment in the exhaust gas emission system of international semiconductors, precision electronics, food, chemicals, medicine, sewage treatment, metal processing, etc.

2. The utility model adopts a self-cleaning fan blade mechanism. When the fan is working, the rotating fan blade plate drives the sliding block out under the action of centrifugal force. When the fan blade is not working, the sliding block is driven by the elastic force of the reset spring. When it is pulled back to its original position, the width of the slider is the same as that of the fan blade, so that the slider that moves back and forth can scrape off the dust on the fan blade, so as to avoid the accumulation of dust on the fan blade and affect the normal use of the fan blade.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification, and are used to explain the present utility model together with the embodiments of the present utility model, and do not constitute a limitation to the present utility model. In the accompanying drawings:

1 is a schematic diagram of a three-dimensional structure of a composite body for fan sealing proposed by the utility model;

2 is a schematic diagram of the front structure of a composite body for fan sealing proposed by the utility model;

3 is a schematic diagram of the front structure of the fixed motor proposed by the utility model;

4 is a schematic diagram of a front cross-sectional structure of a composite body for fan sealing proposed by the utility model;

FIG. 5 is an enlarged structural schematic diagram of A in FIG. 4 proposed by the present invention.

In the figure: 1. Fan housing mechanism; 2. Connecting ring; 3. Output fixing mechanism; 4. Self-cleaning fan blade mechanism; 5. Sealing and waterproofing mechanism; 11. Fixed frame; 12. Air outlet; 13. Filter screen ;31, fixed motor; 32, support frame; 33, output shaft; 41, connecting shaft; 42, stop block; 43, fan blade; 44, fixed block; 45, return spring; 46, limit plate; 47, Slider; 51, connecting sleeve; 52, sealing sleeve; 53, circular plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-5 , the present utility model provides a technical solution: a composite body for fan sealing, comprising a fan housing mechanism 1, a connecting ring 2, an output fixing mechanism 3, a self-cleaning fan blade mechanism 4, and a fan One end of the casing mechanism 1 is provided with an output fixing mechanism 3 for providing power, and one end of the output fixing mechanism 3 is fixed with a connecting ring 2 for fixed connection with the fan casing mechanism 1. The self-cleaning fan blade mechanism 4 for automatically cleaning dust, the output shaft 33 on the output fixing mechanism 3 is provided with a sealing and waterproofing mechanism 5, and the sealing and waterproofing mechanism 5 includes a connecting sleeve 51, a sealing sleeve 52 and a circular plate 53. The connecting sleeve 51 is a sliding sleeve Connected to the outside of the output shaft 33 , one end of the connecting sleeve 51 is fixed with a circular plate 53 , and the other end of the circular plate 53 is fixed with a sealing sleeve 52 .

The fan housing mechanism 1 includes a fixed frame 11, an air outlet 12 and a filter screen 13. One end of the fixed frame 11 is fixed with a filter screen 13, and one side of the fixed frame 11 is fixed with an air outlet 12. The self-cleaning fan blade mechanism 4 is arranged on the The inside of the fixed frame 11 .

The output fixing mechanism 3 includes a fixed motor 31 , a support frame 32 and an output shaft 33 , the support frame 32 is fixed on one end of the fixed frame 11 , the fixed motor 31 is fixed on the upper end of the support frame 32 , and the output end of the fixed motor 31 is fixed with the output shaft 33 , the output shaft 33 of the fixed motor 31 passes through the fixed frame 11 and is rotatably arranged inside the fixed frame 11 .

The self-cleaning fan blade mechanism 4 includes a connecting shaft 41, a stopper 42, a fan blade plate 43, a fixed block 44, a return spring 45, a limit plate 46 and a slider 47. The fixed block 44 is arranged inside the fixed frame 11, and the fixed block 44 is rotatably sleeved on the outside of the output shaft 33 , a fan blade plate 43 is fixed on the outer wall of the fixed block 44 , a stopper 42 is fixed at the other end of the fan blade plate 43 , and the connecting shaft 41 is fixed on the outer walls of the upper and lower ends of the fan blade plate 43 One end of the connecting shaft 41 is fixed with a limit plate 46, a sliding block 47 is slidably sleeved on the outside of the connecting shaft 41, one end of the sliding block 47 is fixed with a return spring 45, the other end of the return spring 45 and the outer wall of one side of the fixed block 44 Fixed connection.

In order to ensure the cleaning effect, the outer wall of one end of the slider 47 and the outer wall of one end of the blade plate 43 can be completely fitted, and the width of the slider 47 is the same as the width of the blade plate 43, so that when the fan is working, the rotating blade plate 43 drives the slider 47 out under the action of centrifugal force. When the fan blade does not work, the slider 47 is pulled back to its original position under the elastic force of the return spring 45, and the width of the slider 47 is the same as that of the fan blade plate 43, so that The sliding block 47 that moves back and forth can scrape off the dust on the fan blade plate 43 to avoid dust accumulation on the fan blade plate 43 from affecting the normal use of the fan blade plate 43 .

Working principle: When in use, put the fan in the place where it needs to be used, turn on the power supply and start the fixed motor 31 to supply air. The sealing and waterproof mechanism 5 is adopted. The technical gap of running the equipment from water immersion has increased the service life of the equipment several times. The self-cleaning fan blade mechanism 4 is adopted. When the fan is working, the rotating fan blade plate 43 drives the slider 47 under the action of centrifugal force. When the fan blade is not working, the sliding block 47 is pulled back to its original position under the elastic force of the return spring 45. The width of the sliding block 47 is the same as that of the fan blade plate 43, so that the sliding block 47 moving back and forth can remove the fan blade. The dust on the plate 43 is scraped off to avoid the accumulation of dust on the fan blade plate 43 to affect the normal use of the fan blade plate 43 .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A composite body for fan sealing, comprising a fan housing mechanism (1), a connecting ring (2), an output fixing mechanism (3), and a self-cleaning fan blade mechanism (4), characterized in that: the fan One end of the casing mechanism (1) is provided with an output fixing mechanism (3) for providing power, and one end of the output fixing mechanism (3) is fixed with a connecting ring (2) for fixedly connecting with the fan casing mechanism (1). The fan housing mechanism (1) is provided with a self-cleaning fan blade mechanism (4) capable of automatically cleaning dust, and the output shaft (33) on the output fixing mechanism (3) is provided with a sealing and waterproof mechanism outside (5), the sealing and waterproofing mechanism (5) includes a connecting sleeve (51), a sealing sleeve (52) and a circular plate (53), and the connecting sleeve (51) is slidably sleeved on the outside of the output shaft (33), One end of the connecting sleeve (51) is fixed with a circular plate (53), and the other end of the circular plate (53) is fixed with a sealing sleeve (52). 2. The composite body for fan sealing according to claim 1, wherein the fan housing mechanism (1) comprises a fixed frame (11), an air outlet (12) and a filter screen (13), One end of the fixing frame (11) is fixed with a filter screen (13), one side of the fixing frame (11) is fixed with an air outlet (12), and the self-cleaning fan blade mechanism (4) is arranged on the fixing frame (12). 11) inside. 3. The composite body for fan sealing according to claim 1, wherein the output fixing mechanism (3) comprises a fixing motor (31), a support frame (32) and an output shaft (33), the The support frame (32) is fixed on one end of the fixed frame (11), the fixed motor (31) is fixed on the upper end of the support frame (32), and the output end of the fixed motor (31) is fixed with an output shaft (33), The output shaft (33) of the fixed motor (31) passes through the fixed frame (11) and is rotatably arranged inside the fixed frame (11). 4. The composite body for fan sealing according to claim 1, wherein the self-cleaning fan blade mechanism (4) comprises a connecting shaft (41), a stopper (42), and a fan blade plate (43) , a fixing block (44), a return spring (45), a limit plate (46) and a slider (47), the fixing block (44) is arranged inside the fixing frame (11), the fixing block (44) The outer wall of the fixed block (44) is fixed with a fan blade plate (43), and the other end of the fan blade plate (43) is fixed with a stopper (42), The connecting shaft (41) is fixed on the outer walls of the upper and lower ends of the fan blade plate (43), one end of the connecting shaft (41) is fixed with a limit plate (46), and the outside of the connecting shaft (41) is slidably sleeved with a A slider (47), one end of the slider (47) is fixed with a return spring (45), and the other end of the return spring (45) is fixedly connected to one side outer wall of the fixing block (44). The composite body for sealing a fan according to claim 4, characterized in that: one end outer wall of the slider (47) and one end outer wall of the fan blade plate (43) can be completely fitted, and the slider (47) can be completely fitted. The width of (47) is the same as the width of the fan blade (43).

Images