CN214366785U

CN214366785U - Axial-flow fan with low noise

Info

Publication number: CN214366785U
Application number: CN202120315555.0U
Authority: CN
Inventors: 李明宇; 于良; 翟志书; 柳连明; 富壮
Original assignee: Fushun Hanking Aoniu Mining Industry Co ltd
Current assignee: Fushun Hanking Aoniu Mining Industry Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-08
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses an axial flow fan with low noise, which belongs to the technical field of fans, and the technical proposal main points thereof comprise a supporting platform, the top of the supporting platform is fixedly connected with an air duct, the inner wall of the air duct is embedded with an axial flow fan body, the bottom of the air duct is communicated with a cleaning box, the left side of the inner wall of the cleaning box is fixedly connected with a motor, the output shaft of the motor is in transmission connection with a barrier net, the top of the barrier net sequentially penetrates through the cleaning box and the air duct and is rotationally connected with the inner wall of the air duct, the utility model discloses a scraper is arranged, under the premise of not influencing the normal work of the axial flow fan body, when the motor drives the barrier net to rotate at a constant speed, the scraper can scrape dust from the surface of the barrier net, so that the wind speed in the air duct is always kept in a normal range, thereby not only reducing the operating temperature of the axial flow fan body, the noise generated when the axial flow fan body operates is reduced, and the use performance of the axial flow fan body is improved.

Description

Axial-flow fan with low noise

Technical Field

The utility model relates to a fan technical field, more specifically say, relate to an axial-flow fan that noise is low.

Background

The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air.

At present, the staff sets up the filter screen at axial-flow fan's air intake more, avoid getting into axial-flow fan's inside because of the dust, and the condition that leads to axial-flow fan wearing and tearing to aggravate takes place, but the filter screen filters the dust for a long time, the dust will block up the filter screen, this air intake that not only can influence axial-flow fan, still can improve axial-flow fan's operating temperature, lead to the aggravation of the inside part wearing and tearing of axial-flow fan, the noise that produces when will increase axial-flow fan operation, long-time use can lead to the fact the influence to workman's hearing system

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an axial-flow fan that noise is low possesses under the prerequisite that does not influence the normal work of axial-flow fan, can effectively clear up the advantage of the dust on filter screen surface, has solved the dust and will have blockked up the filter screen, and the problem of noise increase when leading to axial-flow fan operation.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides an axial-flow fan that noise is low, includes supporting platform, supporting platform's top fixedly connected with dryer, axial-flow fan body is installed in the inner wall embedding of dryer, the bottom intercommunication of dryer has the cleaning box, the inner wall left side fixedly connected with motor of cleaning box, the output shaft transmission of motor is connected with the barrier net, the top that separates the net runs through cleaning box and dryer in proper order and rotates with the inner wall of dryer to be connected, the back fixedly connected with connecting box of cleaning box, the guide mouth that evenly distributed just all communicates with the connecting box is seted up at the inner wall back of cleaning box, the inner wall sliding connection of guide mouth has the scraper, the front of scraper run through the guide mouth and with the surface contact who blocks the net.

Preferably, the cleaning box is internally provided with sliding chutes which are uniformly distributed and communicated with the adjacent material guide openings, the bottom of the scraper is fixedly connected with a connecting block positioned in the adjacent sliding chute, and the opposite side of the connecting block and the adjacent sliding chute is fixedly connected with a spring.

Preferably, the inner wall left side fixedly connected with gag lever post of spout, the right side of gag lever post is run through adjacently the connecting block and with adjacent the inner wall right side fixed connection of spout.

Preferably, the right side of the connecting box is inserted with a material collecting box, and the left side of the material collecting box penetrates through the connecting box and extends to the inside of the connecting box.

Preferably, the front and the back of the inner wall of the connecting box are both fixedly connected with material guiding blocks, and the material guiding blocks are triangular.

Preferably, the left side and the right side of dryer all fixedly connected with evenly distributed's oil pressure bumper shock absorber, oil pressure bumper shock absorber's bottom and supporting platform fixed connection.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, the scraper is arranged, so that when the motor drives the blocking net to rotate at a constant speed on the premise of not influencing the normal operation of the axial flow fan body, dust can be scraped from the surface of the blocking net by the scraper, the wind speed in the wind barrel is always kept in a normal range, the operation temperature of the axial flow fan body is reduced, noise generated when the axial flow fan body operates is reduced, and the use performance of the axial flow fan body is improved;

(2) through setting up the spring, can strengthen the compactness of being connected between scraper and the separation net, and then improve the dust removal quality of scraper by a wide margin.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 3 according to the present invention.

The reference numbers in the figures illustrate:

1. a support platform; 2. an oil pressure damper; 3. an air duct; 4. an axial flow fan body; 5. a barrier net; 6. a material collecting box; 7. cleaning the box; 701. a material guide port; 702. a chute; 8. a motor; 9. a spring; 10. a connecting box; 11. a scraper; 1101. connecting blocks; 12. a material guide block; 13. a limiting rod.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an axial flow fan with low noise comprises a supporting platform 1, a wind barrel 3 is fixedly connected to the top of the supporting platform 1, an axial flow fan body 4 is installed on the inner wall of the wind barrel 3 in an embedded mode, a cleaning box 7 is communicated with the bottom of the wind barrel 3, a motor 8 is fixedly connected to the left side of the inner wall of the cleaning box 7, an output shaft of the motor 8 is in transmission connection with a blocking net 5, the top of the blocking net 5 sequentially penetrates through the cleaning box 7 and the wind barrel 3 and is rotatably connected with the inner wall of the wind barrel 3, a connecting box 10 is fixedly connected to the back of the cleaning box 7, material guide ports 701 which are uniformly distributed and are communicated with the connecting box 10 are formed in the back of the inner wall of the cleaning box 7, scrapers 11 are slidably connected to the inner wall of the material guide ports 701, and the front of the scrapers 11 penetrates through the material guide ports 701 and contacts with the surface of the blocking net 5.

Further, the inside of cleaning box 7 is seted up evenly distributed and all is with the spout 702 of adjacent guide mouth 701 intercommunication, and the bottom fixedly connected with of scraper 11 is located the inside connecting block 1101 of adjacent spout 702, and the opposite side fixedly connected with spring 9 of connecting block 1101 and adjacent spout 702 can strengthen the compactness of being connected between scraper 11 and the separation net 5 through setting up spring 9, and then has improved the dust removal quality of scraper 11 by a wide margin.

Further, the inner wall left side fixedly connected with gag lever post 13 of spout 702, the right side of gag lever post 13 time run through adjacent connecting block 1101 and with the inner wall right side fixed connection of adjacent spout 702, through setting up gag lever post 13, can inject the orbit of scraper 11, and guarantee scraper 11 can normally strike off the dust, and then plays good spacing effect.

Further, the right side of connecting box 10 is pegged graft and is had material collecting box 6, and material collecting box 6's left side runs through connecting box 10 and extends to the inside of connecting box 10, through setting up material collecting box 6, can effectively collect the dust that falls into connecting box 10, need not that the staff is manual to be collected, and then the subsequent cleaning work of the staff of being convenient for.

Further, the front and the back of the inner wall of the connecting box 10 are fixedly connected with the material guide blocks 12, the material guide blocks 12 are triangular, and through the arrangement of the material guide blocks 12, dust falling into the connecting box 10 can be guided into the material collecting box 6, so that the situation that the material collecting box 6 is jammed due to the fact that the dust falls into a gap between the material collecting box 6 and the connecting box 10 is avoided.

Further, the oil pressure damper 2 that the equal fixedly connected with evenly distributed in left side and the right side of dryer 3, the bottom and the 1 fixed connection of supporting platform of oil pressure damper 2 through setting up oil pressure damper 2, can reduce the probability that axial-flow fan body 4 rocked when moving, has reduced the noise that axial-flow fan body 4 during operation produced by a wide margin, and then has played good noise reduction.

The working principle is as follows: when the axial flow fan body 4 works normally, the axial flow fan body 4 sucks dust into the air duct 3 when sucking air, when wind and air pass through the separation net 5, the separation net 5 filters the dust, meanwhile, the motor 8 drives the separation net 5 to rotate at a constant speed, so that the scraper 11 can scrape the dust adhered to the surface of the separation net 5, the tightness of the connection between the scraper 11 and the separation net 5 can be enhanced by arranging the spring 9, the dust removal quality of the scraper 11 is greatly improved, the running track of the scraper 11 can be limited by arranging the limiting rod 13, the scraper 11 can be ensured to normally scrape the dust, a good limiting effect is achieved, then the dust enters the connecting box 10 along the scraper 11, the dust is guided into the aggregate box 6 along the guide block 12, and the dust falling into the connecting box 10 can be guided into the aggregate box 6 by arranging the guide block 12, avoid the dust to fall into the gap between collecting box 6 and the connecting box 10, and the condition that leads to collecting box 6 to be stuck takes place, through setting up collecting box 6, can effectively collect the dust that falls into connecting box 10, need not that the staff is manual to be collected, and then the subsequent cleaning work of the staff of being convenient for.

The above is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an axial-flow fan that noise is low, includes supporting platform (1), the top fixedly connected with dryer (3) of supporting platform (1), axial-flow fan body (4), its characterized in that are installed in the inner wall embedding of dryer (3): the utility model discloses a cleaning machine, including dryer (3), inner wall, baffle box (7), the inner wall left side fixedly connected with motor (8) of cleaning box (7), the output shaft transmission of motor (8) is connected with and blocks net (5), the top that blocks net (5) runs through cleaning box (7) and dryer (3) in proper order and rotates with the inner wall of dryer (3) and is connected, the back fixedly connected with connecting box (10) of cleaning box (7), the inner wall back of cleaning box (7) is seted up evenly distributed and is all with guide opening (701) of connecting box (10) intercommunication, the inner wall sliding connection of guide opening (701) has scraper (11), the front of scraper (11) runs through guide opening (701) and with the surface contact who blocks net (5).

2. The axial flow fan of claim 1, further comprising: the cleaning box (7) is internally provided with sliding chutes (702) which are uniformly distributed and are communicated with the adjacent material guide ports (701), the bottoms of the scrapers (11) are fixedly connected with connecting blocks (1101) which are positioned in the adjacent sliding chutes (702), and the opposite sides of the connecting blocks (1101) and the adjacent sliding chutes (702) are fixedly connected with springs (9).

3. The axial flow fan with low noise as claimed in claim 2, wherein: the inner wall left side fixedly connected with gag lever post (13) of spout (702), the right side of gag lever post (13) is time run through adjacently connecting block (1101) and with adjacent the inner wall right side fixed connection of spout (702).

4. The axial flow fan of claim 1, further comprising: the right side of the connecting box (10) is spliced with the material collecting box (6), and the left side of the material collecting box (6) penetrates through the connecting box (10) and extends to the inside of the connecting box (10).

5. The axial flow fan of claim 1, further comprising: the front and the back of the inner wall of the connecting box (10) are fixedly connected with material guide blocks (12), and the material guide blocks (12) are triangular.

6. The axial flow fan of claim 1, further comprising: the equal fixedly connected with evenly distributed's on the left side of dryer (3) and right side oil pressure bumper shock absorber (2), the bottom and supporting platform (1) fixed connection of oil pressure bumper shock absorber (2).