CN212672119U

CN212672119U - Anti-blocking centrifugal fan

Info

Publication number: CN212672119U
Application number: CN202020969133.0U
Authority: CN
Inventors: 陈云峰
Original assignee: Henan Mengdian Group Cement Co Ltd
Current assignee: Henan Mengdian Group Cement Co Ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-03-09
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a prevent blockking up centrifugal fan relates to and prevents blockking up centrifugal fan technical field. The utility model discloses a fan housing, fan housing front portion is provided with the air-supply line, and air-supply line one end fixedly connected with flange is provided with the filter screen in the air-supply line, and the air-supply line bottom is seted up slottedly and the joint has the collection box, and fan housing has seted up the air outlet on one side, and the air outlet internal rotation is connected with the tripe, and fan housing rear portion fixedly connected with motor, fan housing internal rotation are connected with the impeller, the central fixedly connected with pivot of impeller one end, and pivot one side joint has the brush-holder stud. The utility model discloses a filter screen, pivot, brush-holder stud, bolt, collection box and scraper blade's mating reaction has avoided the dust to block up the air intake and has influenced the use, and automatic deashing has improved efficiency greatly and has alleviateed workman's work load, has made things convenient for the collection and the processing to the dust, and installs simple structure readily removable, the manufacturing of being convenient for.

Description

Anti-blocking centrifugal fan

Technical Field

The utility model belongs to the technical field of prevent blockking up centrifugal fan, particularly, in particular to prevent blockking up centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

Chinese utility model patent No. CN201920950067.X discloses a clean centrifugal fan, which comprises a centrifugal fan, an air inlet pipe is installed on one side of the centrifugal fan, a filter screen is arranged at one end of the air inlet pipe close to the centrifugal fan, a transverse plate is arranged at one end of a vertical plate far away from the centrifugal fan, a T-shaped groove is arranged on the bottom surface of the transverse plate, a T-shaped block is slidably clamped in the T-shaped groove, the other end of a strip-shaped connecting block is fixedly connected to the upper end of the side wall of a holding plate, a round rod is arranged at the lower end of the side wall of the holding plate, the other end of the round rod enters the air inlet pipe and is fixedly connected to the end surface of a small ring, the inner wall of the small ring is provided with a ring groove, a plurality of slide rods are rotatably clamped in the ring groove, the free ends of the slide rods are fixedly, the other end of the supporting rod is fixedly connected to the inner wall of the large circular ring, and the outer wall of the large circular ring is fixedly provided with a layer of annular hairbrush. Although the device realizes the dust removal of the air inlet pipe, the brush of the device can only clean the pipe wall of the air inlet pipe, dust and impurities can be adhered to the filter screen to reduce the air inlet amount and influence the use of the filter screen during long-time use, and the device needs manual operation for dust removal, thereby greatly increasing the workload.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a prevent blockking up centrifugal fan to overcome the above-mentioned technical problem that current correlation technique exists.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a prevent blockking up centrifugal fan, including the fan casing, fan casing front portion is provided with the air-supply line, air-supply line one end fixedly connected with flange, be provided with the filter screen in the air-supply line, slotted and joint have the collection box seted up bottom the air-supply line, the air outlet has been seted up to fan casing one side, the air outlet internal rotation is connected with the tripe, fan casing rear portion fixedly connected with motor, the fan casing internal rotation is connected with the impeller, impeller one end center fixedly connected with pivot, pivot one side joint has the brush pole, pivot tip joint has the scraper blade.

Furthermore, bolts are arranged on the periphery of the air inlet pipe and connected with the fan shell, a sliding groove is formed in the side wall of the air inlet pipe, and clamping blocks are fixedly connected to the two sides of the filter screen and are connected in the sliding groove in a sliding mode.

Furthermore, a rotating ring groove is formed in the inner wall of one side, away from the motor, of the fan shell, a rotating ring is fixedly connected to one side of the impeller, and the rotating ring is connected in the rotating ring groove in a rotating mode.

Furthermore, the motor shaft part penetrates through the fan shell and is connected with the fan shell in a rotating mode, the motor shaft part is fixedly connected with the side wall of one side of the impeller, and the rotating shaft penetrates through the filter screen and is connected with the filter screen in a rotating mode.

Further, the brush pole is located between filter screen and the impeller and the brush laminating the filter screen, the scraper blade is located one side that the impeller was kept away from to the filter screen, the scraper blade laminating the air intake pipe inner wall, collect the box and be located the scraper blade below.

The utility model discloses following beneficial effect has:

through carrying the fan to the required position, link to each other flange and other equipment, open the motor power, thereby motor rotation drive impeller rotates and draws the air through the air-supply line and blows off by the air outlet, can adjust tripe angle when the air-out and realize the transform of wind direction, impeller rotation drive pivot rotation, the pivot rotates and drives brush pole and scraper blade rotation, and the filter screen avoids taking place to rotate under the injecing of fixture block and spout, impeller rotation draws the air and gets into the fan casing from the air-supply line, filter dust and impurity in the air through the filter screen, brush pole brush laminating filter screen rotates and scrubs the filter screen, avoid impurity to stop for a long time on the filter screen and influence the intake, and the impurity of brushing off can drop in the air-supply line, scraper blade laminating air-supply line rotates and strikes off the impurity in the air-supply line and drops in the collection box of bottom, this has avoided the fan to get into in the casing influence life and the dust intake jam and has The utility model discloses a dust collecting device, including the filter screen, the filter screen is connected with the air inlet pipe, automatic deashing has improved efficiency greatly and has alleviateed workman's work load, take off after using and collect the box and clear up inside dust, after the live time is longer, twist into tuber pipe bolt all around and take off the air-supply line, demolish joint brush pole and scraper blade in the pivot and take off the filter screen and go into the change, the spout of aiming at the air-supply line lateral wall with the fixture block of filter screen both sides and insert the air-supply line after the change is accomplished, use bolt-up air-supply line and fan casing can reuse, the collection and the processing to the dust has been made things convenient for greatly, and device simple structure.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

Fig. 1 is a first overall perspective view of the present invention;

FIG. 2 is a second overall perspective view of the present invention;

FIG. 3 is a schematic diagram of the overall explosion of the present invention;

fig. 4 is a schematic view of the local explosion of the present invention;

fig. 5 is an overall cross-sectional view of the present invention;

fig. 6 is an enlarged schematic view of the position a of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a fan housing; 2. an air inlet pipe; 3. a flange; 4. filtering with a screen; 5. a collection box; 6. an air outlet; 7. louver blades; 8. a motor; 9. an impeller; 10. a rotating shaft; 11. a brush rod; 12. a squeegee; 13. a bolt; 14. a chute; 15. rotating the ring groove; 16. and (6) rotating the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "top", "middle", "inner", and the like indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Please refer to fig. 1-6, the utility model relates to a prevent blockking up centrifugal fan, including fan casing 1, fan casing 1 front portion is provided with air-

supply line

2, 2 one end fixedly connected with flanges 3 of air-supply line, be provided with filter screen 4 in the air-

supply line

2, 2 bottoms of air-supply line are seted up slottedly and the joint has collection box 5, air outlet 6 has been seted up to fan casing 1 one side, the internal rotation of air outlet 6 is connected with

tripe

7, 1 rear portion fixedly connected with motor 8 of fan casing, 1 internal rotation of fan casing is connected with impeller 9, impeller 9 one end center fixedly connected with pivot 10, pivot 10 one side joint has brush pole 11, pivot 10 tip joint has scraper blade 12.

In an embodiment, for the air inlet pipe 2, bolts 13 are arranged around the air inlet pipe 2 and connected with the fan housing 1, a sliding groove 14 is formed in the side wall of the air inlet pipe 2, and clamping blocks are fixedly connected to two sides of the filter screen 4 and slidably connected in the sliding groove 14, so that when the filter screen 4 and the brush rod 11 need to be replaced, the air inlet pipe 2 can be pulled out and replaced by detaching the bolts 13, the use and the disassembly and assembly are further facilitated, and the practicability is higher. In addition, during concrete application, the spout 14 is laminated with the fixture block of filter screen 4 both sides, avoids driving filter screen 4 when pivot 10 rotates and rocks influence stability.

In one embodiment, for the fan housing 1, a rotating ring groove 15 is formed in an inner wall of the fan housing 1 on a side away from the motor 8, a rotating ring 16 is fixedly connected to one side of the impeller 9, and the rotating ring 16 is rotatably connected in the rotating ring groove 15, so that the rotating ring 16 synchronously rotates in the rotating ring groove 15 when the rotating impeller 9 rotates, a supporting point of the impeller 9 is further provided to avoid eccentricity from affecting the service life of the motor 8, and stability is ensured.

In one embodiment, for the motor 8, the shaft of the motor 8 penetrates through the fan housing 1 and is rotatably connected therewith, the shaft of the motor 8 is fixedly connected with one side wall of the impeller 9, and the rotating shaft 10 penetrates through the filter screen 4 and is rotatably connected therewith, so that the motor 8 rotates to drive the impeller 9 to rotate to realize wind power transmission of the centrifugal fan, and the brush rod 11 and the scraper 12 are both clamped above the rotating shaft for replacement and disassembly, thereby being convenient to use and reducing labor intensity.

In one embodiment, for the brush rod 11, the brush rod 11 is located between the filter screen 4 and the impeller 9 and the brush is attached to the filter screen 4, the scraper 12 is located on a side of the filter screen 4 away from the impeller 9, the scraper 12 is attached to an inner wall of the air inlet pipe 2, the collecting box 5 is located below the scraper 12, so that when the impeller 9 rotates, the rotating shaft 10 is driven to rotate, the rotating shaft 10 rotates to drive the brush rod 11 and the scraper 12 to rotate, the filter screen 4 is prevented from rotating under the limitation of the fixture blocks and the chutes 14, the impeller 9 rotates to draw air from the air inlet pipe 2 into the fan housing 1, impurities in the air are filtered out through the filter screen 4, the brush rod 11 is attached to the filter screen 4 to brush the filter screen 4, the impurities are prevented from staying on the filter screen 4 for a long time to affect the air inlet volume, the brushed impurities can fall into the air inlet pipe 2, the scraper 12 is attached to the air inlet pipe 2 to scrape the impurities in the air inlet pipe 2 and fall into the collecting box, and then avoid influencing centrifugal motor's induced draft and guaranteed the use and made things convenient for the collection to dust and impurity, reduced the amount of labour.

In conclusion, with the aid of the technical solution of the present invention, by moving the fan to a desired position, the flange 3 is connected to other devices, the power supply of the motor 8 is turned on, the motor rotates to drive the impeller 9 to rotate, so as to draw air through the air inlet pipe 2 and blow out the air through the air outlet 6, the angle of the louver 7 can be adjusted to change the wind direction when air is blown out, the impeller 9 rotates to drive the rotating shaft 10 to rotate, the rotating shaft 10 rotates to drive the brush rod 11 and the scraper 12 to rotate, the filter screen 4 is prevented from rotating under the limitation of the fixture block and the chute 14, the impeller 9 rotates to draw air into the fan housing 1 from the air inlet pipe 2, the filter screen 4 filters dust and impurities in the air, the brush rod 11 brushes the filter screen 4 by rotating to brush the filter screen 4, the impurities are prevented from staying on the filter screen 4 for a long time to affect the air inlet volume, and the, scraper blade 12 laminating air-supply line 2 rotates and strikes off the impurity in the air-supply line 2 and fall in the collection box 5 of bottom, take off after the use and collect box 5 and clear up inside dust, when the live time is longer after, twist the bolt 13 that advances air pipe 2 all around and take off air-supply line 2, demolish brush rod 11 and scraper blade 12 of joint on pivot 10 and take off filter screen 4 and go into the change, aim at the spout 14 of air-supply line 2 lateral wall with the fixture block of filter screen 4 both sides and insert air-supply line 2 after the change is accomplished, use bolt 13 to fasten air-supply line 2 and fan casing 1 and can reuse.

Through above-mentioned technical scheme, 1, through the air-supply line 2, filter screen 4, motor 8, impeller 9, pivot 10, brush pole 11 and scraper blade 12's mating reaction, avoided the fan in the course of the work dust get into in the casing influence life and dust jam air intake reduce the intake influence use, automatic deashing has improved efficiency greatly and has alleviateed workman's work load. 2. Through the cooperation of air-supply line 2, bolt 13, scraper blade 12 and collection box 5, made things convenient for the collection and the processing of dust, and device simple structure easy dismouting, the manufacturing of being convenient for.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to help illustrate the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a prevent blockking up centrifugal fan, includes fan casing (1), its characterized in that: the improved fan is characterized in that an air inlet pipe (2) is arranged at the front part of the fan shell (1), a flange (3) is fixedly connected with one end of the air inlet pipe (2), a filter screen (4) is arranged in the air inlet pipe (2), a collecting box (5) is arranged at the bottom of the air inlet pipe (2) in a slotted and clamped mode, an air outlet (6) is formed in one side of the fan shell (1), a shutter (7) is connected to the inner rotation of the air outlet (6), a motor (8) is fixedly connected to the rear part of the fan shell (1), an impeller (9) is connected to the inner rotation of the fan shell (1), a rotating shaft (10) is fixedly connected to the center of one end of the impeller (9), a brush rod (11) is clamped to one.

2. The anti-clogging centrifugal fan according to claim 1, wherein bolts (13) are arranged around the air inlet pipe (2) and connected with the fan shell (1), a sliding groove (14) is formed in the side wall of the air inlet pipe (2), and clamping blocks are fixedly connected to two sides of the filter screen (4) and are slidably connected in the sliding groove (14).

3. The anti-clogging centrifugal fan according to claim 1, wherein a rotating ring groove (15) is formed in an inner wall of the fan casing (1) on a side away from the motor (8), a rotating ring (16) is fixedly connected to one side of the impeller (9), and the rotating ring (16) is rotatably connected in the rotating ring groove (15).

4. Anti-clogging centrifugal fan according to claim 1, characterized in that said motor (8) shaft extends through said fan casing (1) and is rotatably connected thereto, said motor (8) shaft being fixedly connected to a side wall of said impeller (9), said shaft (10) extending through said sieve (4) and being rotatably connected thereto.

5. Anti-clogging centrifugal fan according to claim 1, characterized in that said brush bar (11) is located between said filter screen (4) and said impeller (9) and the brush is attached to said filter screen (4), said scraper (12) is located on the side of said filter screen (4) away from said impeller (9), said scraper (12) is attached to the inner wall of said air inlet duct (2), and said collection box (5) is located below said scraper (12).