CN218439947U - Axial flow fan with dustproof mechanism - Google Patents

Abstract

The utility model relates to an axial flow fan with a dustproof mechanism, which belongs to the technical field of axial flow fans and solves the technical problem that the dustproof net in the axial flow fan in the prior art is easily blocked. The axial flow fan includes a cylinder with an air inlet at one end and an exhaust outlet at the other end; a bracket installed in the cylinder, and the bracket is arranged along the radial direction of the cylinder; fan blades are rotatably mounted on the bracket, and the blades rotate around The axis of the cylinder rotates; the drive motor is installed on the bracket, the fan blade is connected to the output shaft of the drive motor, and the drive motor is used to drive the fan blade to rotate in the cylinder; the dust-proof net is installed on the air inlet of the cylinder One end; the brush is fixedly installed at the air inlet, and the brush is in contact with the dust-proof net to clean the dust on the dust-proof net; the dust collecting device is installed on the brush, and the dust-collecting device is used to collect the brush off the dust-proof net of dust. Through the above structure, the dust-proof net in the axial-flow fan with dust-proof mechanism provided by the utility model is not easy to be blocked by dust.

Description

Axial flow fan with dust-proof mechanism

technical field

The utility model belongs to the technical field of axial flow fans, in particular to an axial flow fan with a dustproof mechanism.

Background technique

Axial flow fans have a wide range of uses, that is, the airflow in the same direction as the axis of the fan blades, such as electric fans and air conditioner external fans are axial flow fans. It is called "axial flow" because the gas flows parallel to the shaft of the fan. The axial flow fan is mainly composed of the fan impeller and the casing. The fan drives the impeller to rotate to achieve the purpose of conveying gas, and the gas flows parallel to the fan shaft. It can be used for ventilation in general factories, warehouses, offices, houses and other places. During the use of the existing axial fan, dust is easy to block the dust-proof net, making the ventilation effect worse.

Utility model content

The utility model provides an axial-flow fan with a dust-proof mechanism, which is used to solve the technical problem that the dust-proof net in the axial-flow fan in the prior art is easily blocked.

The utility model is realized through the following technical solutions: an axial flow fan with a dustproof mechanism, comprising:

The cylinder has an air inlet at one end and an air outlet at the other end;

a bracket installed in the cylinder, and the bracket is arranged along the radial direction of the cylinder;

Fan blades are rotatably mounted on the bracket, and the fan blades rotate around the axis of the cylinder;

a drive motor installed on the bracket, the fan blade is connected to the output shaft of the drive motor, and the drive motor is used to drive the fan blade to rotate in the barrel;

The dust-proof net is rotatably installed at one end of the air inlet of the cylinder;

A brush is fixedly installed at the air inlet, and the brush abuts against the dust-proof net to clean the dust on the dust-proof net;

A dust collecting device is installed on the brush, and the dust collecting device is used to collect dust brushed off the dust-proof net.

Optionally, also include:

The installation frame is rotatably installed on the inner side wall of the cylinder, and the dust-proof net is installed on the side of the installation frame away from the fan blade;

The fixed frame is detachably installed on the installation frame, and presses the dust filter on the installation frame.

Optionally, also include:

An insert block is installed on the end of the fan blade close to the air inlet, and a slot adapted to the insert block is provided on the installation frame, and the insert block is inserted into the slot to drive The mounting frame rotates.

Optionally, also include:

The protrusion is fixedly installed on the outer ring wall of the installation frame, and the inner wall of the barrel is provided with an annular groove, and the protrusion is slidably inserted into the annular groove.

Optionally, the brush includes:

a mounting block, the mounting block is fixedly mounted on the barrel, and the mounting block is located at the air inlet;

bristle, the side of the installation block close to the dust-proof net is provided with an installation groove, one end of the bristle is fixedly installed on the bottom of the installation groove, and the other end of the bristle is in contact with the dust-proof net .

Optionally, the dust collection device includes:

A scraper, the scraper is installed in the installation groove and located on one side of the bristles, the scraper abuts against the dust-proof net.

Optionally, also include:

The dust collection box, the installation block is arranged vertically, the dust collection box is clamped on the lower end of the installation block, the lower end of the installation block extends into the dust collection box, the installation groove and the The dust box is connected.

Optionally, also include:

The base is fixedly installed on the outer wall of the cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

The axial flow fan with dust-proof mechanism provided by the utility model includes a cylinder body, a bracket, fan blades, a driving motor, a dust-proof net, a brush and a dust collecting device. One end of the cylinder body is provided with an air inlet, and the other end is provided with an exhaust The tuyere, the bracket is installed in the cylinder, the bracket is set along the radial direction of the cylinder, the fan blade is rotated and installed on the bracket, the fan blade rotates around the axis of the cylinder, the drive motor is installed on the bracket, and the fan blade is connected to the output of the drive motor On the shaft, the driving motor is used to drive the fan blades to rotate in the cylinder. The dust-proof net is installed at one end of the air inlet of the cylinder for rotation, and the brush is fixedly installed at the air inlet. For the dust on the net, the dust collection device is installed on the brush, and the dust collection device is used to collect the dust that is brushed off the dust-proof net.

Through the above structure, when using the axial flow fan with dustproof mechanism provided by the utility model, the line between the drive motor and the power supply is connected, so that the output shaft of the drive motor rotates to drive the fan blades installed on the output shaft to rotate , because of the setting of the dust-proof net, the dust in the air is filtered through the dust-proof net before the air enters the cylinder, thereby reducing the probability that the motor in the cylinder is covered by dust, and the setting of the bristles and the rotation are installed in the The dust-proof net makes friction between the rotating dust-proof net and the brush to brush off the dust hanging on the dust-proof net, reducing the probability of dust blocking the dust-proof net and reducing the workload of the staff. At the same time, the setting of the dust collecting device makes the dust brushed off from the dust-proof net be collected to avoid being drawn into the cylinder again. Therefore, the dust-proof net in the axial flow fan with dust-proof mechanism provided by the utility model is not easy to clogged with dust.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural view of an axial flow fan with a dust-proof mechanism provided by an embodiment of the present invention;

Fig. 2 is a cross-sectional view of an axial flow fan with a dust-proof mechanism provided by an embodiment of the present invention;

Fig. 3 is an enlarged view of A in Fig. 2;

Fig. 4 is the structural representation of hairbrush in the utility model embodiment;

Fig. 5 is a cross-sectional view of the brush in the embodiment of the present invention.

In the picture:

1- cylinder;

2 - bracket;

3 - wind blade;

4- drive motor;

5-dust net;

6-installation frame; 61-bump; 62-fixed frame;

7- insert block;

8-hair brush; 81-installation block; 82-bristle;

9 - scraper;

10-dust box;

11 - Base.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other implementations obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

Example 1:

This embodiment provides an axial flow fan with a dust-proof mechanism, which is used to solve the technical problem that the dust-proof net in the axial flow fan in the prior art is easily blocked. The axial flow fan with a dust-proof mechanism includes a cylinder body 1, a bracket 2, fan blades 3, a drive motor 4, a dust-proof net 5, a brush 8 and a dust collection device, wherein:

One end of the barrel 1 is provided with an air inlet, and the other end is provided with an air outlet.

The bracket 2 is installed in the cylinder body 1 , and the bracket 2 is arranged along the radial direction of the cylinder body 1 .

The fan blade 3 is rotatably mounted on the bracket 2, and the fan blade 3 rotates around the axis of the cylinder body 1.

The drive motor 4 is installed on the bracket 2, the fan blade 3 is connected to the output shaft of the drive motor 4, and the drive motor 4 is used to drive the fan blade 3 to rotate in the cylinder body 1, so that the drive motor 4 is set to be the fan blade 3 Provides stable rotational power with easy control.

Dust-proof net 5 is rotatably installed on one end of the air inlet of cylinder body 1, like this, through the setting of dust-proof net 5, reduce the dust in the air to enter in cylinder body 1, and then reduce the probability that driving motor 4 is covered by dust.

Hairbrush 8 is fixedly installed at the air inlet, and hairbrush 8 abuts against dustproof net 5 to clean up the dust on dustproof net 5. Like this, by the cooperation of hairbrush 8 and rotating dustproof net 5, hairbrush 8 Friction is generated between the dust-proof net 5, and then the dust on the dust-proof net 5 is brushed off, so as to prevent the dust from blocking the dust-proof net 5 and reducing the ventilation effect.

The dust collecting device is installed on the hair brush 8, and the dust collecting device is used to collect the dust brushed off on the dust-proof net 5, like this, through the setting of the dust-collecting device, the dust brushed off from the dust-proof net 5 is collected, The probability of dust being drawn into the cylinder 1 again is reduced.

Through the above structure, when using the axial flow fan provided by the utility model with a dustproof mechanism, the line between the drive motor 4 and the power supply is connected, so that the output shaft of the drive motor 4 rotates to drive the fan installed on the output shaft. The leaves 3 rotate, because of the setting of the dust-proof net 5, the air passes through the dust-proof net 5 to filter the dust in the air before entering the cylinder 1, thereby reducing the probability that the motor in the cylinder 1 is covered by dust. And the setting of bristle 82, and rotation is installed in described dust-proof net 5, makes friction between the dust-proof net 5 of rotational installation and hairbrush 8 to brush off the dust brush hanging on dust-proof net 5, reduces dust clogging The probability of the dust-proof net 5 is reduced, and the workload of the staff is reduced at the same time. , The dust-proof net 5 in the axial-flow fan with dust-proof mechanism provided by the utility model is not easy to be blocked by dust.

An optional implementation of this embodiment is as follows: it also includes an installation frame 6 and a fixing frame 62, wherein:

The installation frame 6 is rotatably installed on the inner side wall of the cylindrical body 1, and the dust-proof net 5 is installed on the side of the installation frame 6 away from the fan blade 3, so that the installation frame 6 driven by the rotation drives the dust-proof net 5 to rotate together, and then a Friction occurs between the brushes 8 .

The fixed frame 62 is detachably mounted on the mounting frame 6, and the dust-proof net 5 is compressed on the mounting frame 6, so that, through the setting of the fixed frame 62, the dust-proof net 5 is fixedly installed on the mounting frame 6, and fixed Frame 62 is detachably installed, and like this, it is convenient to replace or clean dustproof net 5.

An optional implementation of this embodiment is as follows: it also includes an insert block 7, wherein:

The plug-in block 7 is installed on the end of the fan blade 3 near the air inlet, and the mounting frame 6 is provided with a slot adapted to the plug-in block 7, and the plug-in block 7 is plugged in the slot to drive the mounting frame 6 to rotate. The setting of the insert block 7 connects the fan blade 3 and the installation frame 6 together, so that when the fan blade 3 rotates, it drives the installation frame 6 to rotate synchronously, and then makes the dustproof net 5 rotate together.

An optional implementation of this embodiment is as follows: a bump 61 is also included, wherein:

The bump 61 is fixedly installed on the outer ring wall of the installation frame 6, and the inner wall of the cylinder body 1 is provided with an annular groove, and the bump 61 is slidably inserted in the annular groove, so that through the cooperation of the bump 61 and the annular groove, When the leaves 3 drive the installation frame 6 to rotate, the installation frame 6 is prevented from being stuck, and at the same time, the installation frame 6 is prevented from falling out of the cylinder body 1 .

An optional implementation of this embodiment is as follows: the brush 8 includes a mounting block 81 and bristles 82, wherein:

The installation block 81 is fixedly installed on the cylinder body 1, and the installation block 81 is located at the air inlet.

One side of installation block 81 is provided with installation groove near dust-proof net 5, and one end of bristle 82 is fixedly installed on the bottom of the groove of installation groove, and the other end of bristle 82 abuts against dust-proof net 5, like this, by installation block 81 will bristle 82 is installed at the air inlet and abuts against the dustproof net 5, so that the bristles 82 are more firmly installed at the air inlet.

An optional implementation of this embodiment is as follows: the dust collecting device includes a scraper 9, wherein:

Scraper 9 is installed in the installation groove, and is positioned at the side of bristle 82, and scraper 9 abuts against dust-proof net 5, like this, by the setting of scraper 9, the dust that will be brushed off is blocked in installation groove, Prevent dust from being drawn into the cylinder body 1 again.

An optional implementation of this embodiment is as follows: it also includes a dust box 10, wherein:

Mounting block 81 is vertically arranged, and dust collection box 10 is clamped on the lower end of mounting block 81, and the lower end of mounting block 81 stretches in dust collecting box 10, and installation groove communicates with dust collecting box 10, like this, vertically installed The installation block 81 makes the dust in the installation groove all accumulate in the bottom of the installation groove, and the dust collection box 10 communicated with the installation groove prevents dust from accumulating in the installation groove, and the dust collection box 10 installed by the clamping mode, Easy to install and disassemble.

An optional implementation manner of this embodiment is as follows: a base 11 is also included, wherein:

The base 11 is fixedly installed on the outer wall of the cylinder body 1. In this way, through the setting of the base 11, it is more convenient to place the axial flow fan with dust-proof mechanism provided by the embodiment of the present invention on a plane.

To sum up, when using the axial flow fan with dust-proof mechanism provided by the embodiment of the present utility model, place it stably through the base 11, and then connect the line between the driving motor 4 and the power supply so that it is fixedly connected to the drive The fan blade 3 on the motor 4 rotates, and the fan blade 3 drives the connecting block fixedly installed on the fan blade 3 to rotate together, and then drives the mounting frame 6 at the other end of the connecting block to rotate together, and the dustproof frame 62 is detachably installed. Net 5 is compressed between installation frame 6 and fixed frame 62, so, when installation frame 6 rotates, just drives fixed frame 62 and dust-proof net 5 to rotate together, and rotating dust-proof net 5 abuts on dust-proof net 5 Friction is generated between the bristles 82 to brush off the dust on the dust-proof net 5 to prevent the dust from clogging the dust-proof net 5, while the protrusion 61 fixedly installed on the installation frame 6 and the annular groove on the inner wall of the cylinder 1 Cooperate, so that when the installation frame 6 is rotating, the installation frame 6 is prevented from being stuck, and the installation frame 6 is prevented from falling out of the cylinder body 1. The setting of the scraper 9 will block the dust that is brushed off in the installation groove. To prevent dust from being drawn into the cylinder body 1 again, after the dust enters the installation groove, it will fall into the dust collection box 10 connected to the installation groove to prevent dust from accumulating in the installation groove, and through the clamping method The installed dust collection box 10 is more convenient for installation and disassembly, so the dust-proof net 5 in the axial flow fan with dust-proof mechanism provided by the utility model is not easy to be blocked by dust.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Any skilled person familiar with the technical field can easily think of changes or changes within the technical scope of the utility model. Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (8)

1. An axial flow fan with a dustproof mechanism, characterized in that it comprises: The cylinder has an air inlet at one end and an air outlet at the other end; a bracket installed in the cylinder, and the bracket is arranged along the radial direction of the cylinder; Fan blades are rotatably mounted on the bracket, and the fan blades rotate around the axis of the cylinder; a drive motor installed on the bracket, the fan blade is connected to the output shaft of the drive motor, and the drive motor is used to drive the fan blade to rotate in the barrel; The dust-proof net is rotatably installed at one end of the air inlet of the cylinder; A brush is fixedly installed at the air inlet, and the brush abuts against the dust-proof net to clean the dust on the dust-proof net; A dust collecting device is installed on the brush, and the dust collecting device is used to collect dust brushed off the dust-proof net. 2. An axial flow fan with a dust-proof mechanism according to claim 1, further comprising: The installation frame is rotatably installed on the inner side wall of the cylinder, and the dust-proof net is installed on the side of the installation frame away from the fan blade; The fixed frame is detachably installed on the installation frame, and presses the dust filter on the installation frame. 3. The axial flow fan with a dust-proof mechanism according to claim 2, further comprising: An insert block is installed on the end of the fan blade close to the air inlet, and a slot adapted to the insert block is provided on the installation frame, and the insert block is inserted into the slot to drive The mounting frame rotates. 4. The axial flow fan with a dust-proof mechanism according to claim 3, further comprising: The protrusion is fixedly installed on the outer ring wall of the installation frame, and the inner wall of the barrel is provided with an annular groove, and the protrusion is slidably inserted into the annular groove. 5. An axial flow fan with a dust-proof mechanism according to claim 1, wherein the brush comprises: a mounting block, the mounting block is fixedly mounted on the barrel, and the mounting block is located at the air inlet; bristle, the side of the installation block close to the dust-proof net is provided with an installation groove, one end of the bristle is fixedly installed on the bottom of the installation groove, and the other end of the bristle is in contact with the dust-proof net . 6. An axial flow fan with a dust-proof mechanism according to claim 5, wherein the dust collecting device comprises: A scraper, the scraper is installed in the installation groove and located on one side of the bristles, the scraper abuts against the dust-proof net. 7. An axial flow fan with a dust-proof mechanism according to claim 6, further comprising: The dust collection box, the installation block is arranged vertically, the dust collection box is clamped on the lower end of the installation block, the lower end of the installation block extends into the dust collection box, the installation groove and the The dust box is connected. 8. An axial flow fan with a dust-proof mechanism according to claim 1, further comprising: The base is fixedly installed on the outer wall of the cylinder.

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