CN218266535U - Pipeline type centrifugal fan - Google Patents

Abstract

The utility model relates to the technical field of centrifugal fans, and specifically discloses a pipeline type centrifugal fan, which includes a fan body and a circular filter plate, a dedusting cylinder is detachably and fixedly connected to the air inlet side of the air inlet port, and the inner peripheral wall of the rotating ring is radially A strip-shaped cleaning component is fixedly connected, and the middle part of the outer peripheral wall of the dust removal cylinder is fixed with an annular shell. The outer peripheral wall of the dust removal cylinder is corresponding to the position in the middle of the annular shell. , the inner peripheral wall of the dust removal cylinder is fixed with an annular fixed plate near the inner side of the annular notch, the outer edge of the circular filter plate is detachably and fixedly connected to the inner side of the annular fixed plate, and the top of the annular shell is provided with a power assembly that drives the rotating ring body to rotate , so that the strip-shaped cleaning assembly rotating with the rotating ring cleans the outer surface of the circular filter plate; it solves the problem that the filter screen installed by the centrifugal fan is not easy to clean.

Description

A pipeline type centrifugal fan

technical field

The utility model relates to the technical field of centrifugal fans, in particular to a pipeline type centrifugal fan.

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 ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induction of boilers and industrial furnaces; cooling and cooling of air conditioning equipment and household appliances Ventilation; drying and selection of grain; wind tunnel wind source and inflation and propulsion of hovercraft, etc.

Some centrifugal fans in the prior art are equipped with filter screens. Since the filter screens are installed in the centrifugal fan, and the filter screen and the centrifugal fan are fixedly installed, it is inconvenient to clean the filter screen when there is a lot of dust on the surface. Therefore, we propose a A pipeline type centrifugal fan is used to solve the above problems.

Utility model content

The purpose of the utility model is to provide a pipeline type centrifugal fan, which is used to solve the problem that the filter installed in the centrifugal fan in the prior art is not easy to clean.

In order to achieve the above purpose, the utility model provides the following technical solutions: a pipeline type centrifugal fan, including a fan body and a circular filter plate, the middle part of the fan body is rotatably mounted with an impeller, and the outer side of the fan body is fixed with a The main drive motor that the impeller rotates, the top of the front of the fan body is provided with an exhaust port, the middle part of the side of the fan body is provided with an air inlet port, and the circular filter plate is arranged on the air inlet side of the air inlet port , also includes: a cylindrical filter and dust removal part arranged on the air inlet side of the air inlet port, the cylindrical filter and dust removal part includes a dust removal cylinder whose inner end is detachably and fixedly connected to the outer end of the air inlet port, and a rotating ring Body and a strip-shaped cleaning assembly that is fixedly connected to the inner peripheral wall of the rotating ring in the radial direction, and the middle part of the outer peripheral wall of the dust removal cylinder is fixed with an annular casing, and the outer peripheral wall of the dust removal cylinder corresponds to the position of the middle part of the annular casing There is an annular notch along the ring, and the rotating ring body is rotated and snapped into the annular notch. An annular fixing plate is fixed on the inner peripheral wall of the dust removal cylinder near the inner side of the annular notch. The circular filter plate The outer edge of the ring is detachably fixedly connected to the inner side of the annular fixing plate, and the top of the annular housing is provided with a power assembly that drives the rotation of the rotating ring, so that the strip-shaped cleaning assembly that rotates with the rotating ring is The outer surface of the circular filter plate is cleaned.

Preferably, the rotating ring body includes a cylindrical body that is rotatably fitted on the outer peripheral wall of the dust removal cylinder at positions corresponding to both sides of the annular notch, and an outer ring gear fixed in the middle of the outer peripheral wall of the cylindrical body. The top end of the annular housing is fixedly connected with a top cavity, and the middle part of one side of the top cavity is fixed with a motor. A gear meshes with the outer ring gear.

Preferably, the bottom end of the annular shell is fixedly connected with a bottom cavity, the bottom of one side of the bottom cavity is provided with a slag discharge port, the outer end of the slag discharge port is detachably fitted with an end cover, and the barrel The inner end of the outer peripheral wall of the shape is evenly opened with a plurality of slag discharge holes along the circumferential direction, and the bottom of the annular fixing plate is provided with a gap corresponding to the port of the bottom cavity.

Preferably, the strip-shaped cleaning assembly includes a strip-shaped plate whose outer end is radially fixedly connected to the inner peripheral wall of the cylinder and bristles fixed to the inner wall of the strip-shaped plate.

Preferably, the number of the strip-shaped plates is three, and the outer ends of the three strip-shaped plates are uniformly fixed on the inner peripheral wall of the cylindrical body along the circumferential direction.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model relates to a pipe-type centrifugal fan that drives the rotating ring body to rotate through a power assembly, and the strip-shaped cleaning assembly that rotates with the rotating ring body cleans the outer surface of the circular filter plate to achieve timely cleaning of the circular filter plate. Clean, so as to avoid the problem of the circular filter plate being blocked; in addition, the cylindrical filter and dust removal part can be easily installed and removed with the air inlet port of the fan body, which is convenient for flexible application.

Description of drawings

Fig. 1 is the overall front view structure schematic diagram of the utility model;

Fig. 2 is a side view structural schematic diagram of the cylindrical filter and dust removal part of the utility model;

Fig. 3 is the enlarged structural schematic diagram of A place in Fig. 1 of the utility model;

Fig. 4 is a side view structural schematic diagram of the dust removal cylinder of the present invention;

Fig. 5 is a front structural schematic diagram of the rotating ring body of the present invention.

In the figure: 1-fan body; 11-impeller; 12-main drive motor; 13-exhaust port; 14-inlet port;

2-dust removal cylinder; 21-ring shell; 22-top cavity; 23-bottom cavity; 24-slagging port; 25-end cover; 26-ring fixing plate; 27-ring notch;

3-circular filter plate;

4-rotating ring body; 41-cylindrical body; 42-outer gear ring; 43-slag discharge hole;

5 - drive gear;

6 - motor;

7-strip cleaning component; 71-strip plate; 72-bristles.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-5, the utility model provides a technical solution: a pipeline type centrifugal fan, including a fan body 1 and a circular filter plate 3, the middle part of the fan body 1 is rotated and installed with an impeller 11, and the outside of the fan body 1 is fixed and useful The main drive motor 12 that drives the impeller 11 to rotate, the top of the front of the fan body 1 is provided with an exhaust port 13, the middle part of the side of the fan body 1 is provided with an air inlet port 14, and the circular filter plate 3 is arranged at the inlet of the air inlet port 14. The wind side also includes a cylindrical filter and dust removal part located on the air inlet side of the air inlet port 14. The cylindrical filter and dust removal part includes a dust removal cylinder 2 detachably and fixedly connected to the outer end of the air inlet port 14, and a rotating ring body 4. And the strip-shaped cleaning assembly 7 fixedly connected to the inner peripheral wall of the rotating ring body 4 in the radial direction, the middle part of the outer peripheral wall of the dust removal cylinder 2 is fixed with an annular housing 21, and the outer peripheral wall of the dust removal cylinder 2 corresponds to the position of the middle part of the annular housing 21 There is an annular notch 27 along the ring, and the rotating ring body 4 is rotated and clamped in the annular notch 27. The inner peripheral wall of the dust removal cylinder 2 is fixed with an annular fixing plate 26 near the inner side of the annular notch 27. The circular filter plate 3 The outer edge is detachably and fixedly connected to the inner side of the annular fixing plate 26, and the top of the annular housing 21 is provided with a power assembly that drives the rotating ring body 4 to rotate, so that the strip-shaped cleaning assembly 7 that rotates with the rotating ring body 4 has a pair of circular filter plates 3 for cleaning. The two ends of the dust removal cylinder 2 are respectively provided with connecting flanges, which are connected to the air inlet port 14 through the flanges, and connected to the input pipe through the flanges.

In summary, the main drive motor 12 drives the impeller 11 to rotate, so that the wind flows into the fan body 1 through the dust removal cylinder 2 and the air inlet port 14, and is discharged from the exhaust port 13; Particles stay on the outside of the circular filter plate 3, the power assembly drives the rotating ring body 4 to rotate, and the strip cleaning assembly 7 rotating the rotating ring body 4 cleans the retained dust particles in time to avoid dust from clogging the filter holes.

In this embodiment, the rotating ring body 4 includes a cylindrical body 41 that is rotatably fitted on the outer peripheral wall of the dust removal cylinder 2 corresponding to both sides of the annular notch 27, and an outer ring gear 42 fixed in the middle of the outer peripheral wall of the cylindrical body 41. The top of the annular housing 21 is fixedly connected with a top cavity 22, and the middle part of one side of the top cavity 22 is fixed with a motor 6, and the power output shaft of the motor 6 extends to the position of the inner cavity of the top cavity 22. The gear 5 meshes with the outer ring gear 42 ; the motor 6 drives the driving gear 5 to rotate, and the driving gear 5 meshes with the outer ring gear 42 for transmission, thereby realizing the rotation of the rotating ring body 4 .

In this embodiment, the bottom end of the annular shell 21 is fixedly connected with a bottom cavity 23, and the bottom of one side of the bottom cavity 23 is provided with a slag discharge port 24, and the outer end of the slag discharge port 24 is detachably fitted with an end cover 25. The inner end of the outer peripheral wall of the shape body 41 is evenly opened with a plurality of slag discharge holes 43 along the circumferential direction, and the bottom of the annular fixed plate 26 is provided with a gap corresponding to the position of the bottom cavity 23 port. The gap at the bottom of the fixing plate 26 and the slag discharge hole 43 are discharged into the bottom cavity 23 , and the end cover 25 is taken out to facilitate the removal of dust in the bottom casing 23 .

In this embodiment, the strip-shaped cleaning assembly 7 includes a strip-shaped plate 71 whose outer end is radially fixedly connected to the inner peripheral wall of the cylindrical body 41 and bristles 72 fixed to the inner wall of the strip-shaped plate 71, and the bristles 72 are made of elastic plastic , has good toughness, so that the filter surface of the circular filter plate 3 is cleaned.

In this embodiment, there are three strip plates 71 , and the outer ends of the three strip plates 71 are evenly fixed on the inner peripheral wall of the cylindrical body 41 along the circumferential direction.

It should be noted that in this article, relative terms such as first and second are only used

Distinguishing one entity or operation from another does not necessarily require or imply any such actual relationship or order between the entities or operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A pipe-type centrifugal fan, including a fan body (1) and a circular filter plate (3), the middle part of the fan body (1) is rotated and installed with an impeller (11), and the outside of the fan body (1) is fixed and useful For the main drive motor (12) that drives the impeller (11) to rotate, the top of the front of the fan body (1) is provided with an exhaust port (13), and the middle part of the side of the fan body (1) is provided with an air inlet port. Port (14), the circular filter plate (3) is arranged on the air inlet side of the air inlet port (14), characterized in that it also includes: A cylindrical filter and dust removal part provided on the air inlet side of the air inlet port (14), the cylindrical filter and dust removal part includes a dust removal cylinder ( 2), the rotating ring body (4) and the strip-shaped cleaning assembly (7) fixedly connected to the inner peripheral wall of the rotating ring body (4) in the radial direction, and the middle part of the outer peripheral wall of the dust removal cylinder (2) is fixed with a ring The shell (21), the outer peripheral wall of the dust removal cylinder (2) corresponds to the position in the middle of the annular shell (21) and is provided with an annular notch (27) along the ring, and the rotating ring (4) rotates the card Installed in the annular notch (27), the inner peripheral wall of the dust removal cylinder (2) is fixed with an annular fixing plate (26) near the inner side of the annular notch (27), and the circular filter plate ( The outer edge of 3) is detachably and fixedly connected to the inner side of the annular fixing plate (26), and the top of the annular housing (21) is provided with a power assembly that drives the rotation of the rotating ring body (4), so that the The strip-shaped cleaning assembly (7) rotated by the rotating ring body (4) cleans the outer surface of the circular filter plate (3). 2. A ducted centrifugal fan according to claim 1, characterized in that: the rotating ring body (4) includes a rotating sleeve on the outer peripheral wall of the dust removal cylinder (2) corresponding to the annular notch ( 27) The cylindrical body (41) on both sides, and the outer ring gear (42) fixed in the middle of the outer peripheral wall of the cylindrical body (41), the top end of the annular housing (21) is fixedly connected with a top chamber Body (22), the middle part of one side of the top cavity (22) is fixed with a motor (6), and the power output shaft of the motor (6) extends to the inner cavity of the top cavity (22). A driving gear (5), the driving gear (5) meshes with the outer ring gear (42). 3. A ducted centrifugal fan according to claim 2, characterized in that: the bottom end of the annular casing (21) is fixedly connected with a bottom cavity (23), and the bottom cavity (23) is The bottom of the side is provided with a slag discharge port (24), the outer end of the slag discharge port (24) is detachably fitted with an end cover (25), and the inner end of the outer peripheral wall of the cylindrical body (41) is evenly opened along the circumferential direction There are a plurality of slag discharge holes (43), and the bottom of the annular fixing plate (26) is provided with a notch at a position corresponding to the port of the bottom cavity (23). 4. A ducted centrifugal fan according to claim 3, characterized in that: the strip-shaped cleaning component (7) includes a strip whose outer end is fixedly connected to the inner peripheral wall of the cylindrical body (41) in the radial direction shaped plate (71) and bristles (72) fixed on the inner side wall of the strip shaped plate (71). 5. A ducted centrifugal fan according to claim 4, characterized in that: the number of the strip plates (71) is three, and the outer ends of the three strip plates (71) are along the circumference uniformly fixed on the inner peripheral wall of the cylindrical body (41).

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