CN219549232U

CN219549232U - Air guide device of centrifugal fan

Info

Publication number: CN219549232U
Application number: CN202320695853.6U
Authority: CN
Inventors: 朱建亮; 薛兵; 董高波; 杨林霞; 杨祝成; 夏正茂
Original assignee: Yancheng Saige Machinery Co ltd
Current assignee: Yancheng Saige Machinery Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-18
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to the technical field of centrifugal fans, in particular to an air guide device of a centrifugal fan, which comprises a shell, a centrifugal fan body, a first filter screen, a guide fan and a cleaning assembly, wherein the first filter screen is arranged on the shell; the cleaning assembly comprises a fixing rod, a sliding block, a cleaning brush, a collecting shell, a driving member and a negative pressure member, wherein the fixing rod is fixedly connected with a shell, the sliding block is in sliding connection with the fixing rod, the cleaning brush is fixedly connected with the sliding block, the collecting shell is fixedly connected with the shell, when the first filter screen is cleaned, the driving member is started to drive the cleaning brush to move, so that the cleaning brush can move to brush impurities on the first filter screen, the sliding block and the cleaning brush can move to be guided through the fixing rod, the cleaning brush can move more stably, the cleaning brush brushes impurities on the first filter screen, and the impurities are collected through the collecting shell and the negative pressure member, so that the purposes of cleaning the first filter screen and improving the cleaning efficiency are achieved conveniently.

Description

Air guide device of centrifugal fan

Technical Field

The utility model relates to the technical field of centrifugal fans, in particular to an air guide device of a centrifugal fan.

Background

The centrifugal fan can promote gas pressure and discharge, wide application in each field, and traditional centrifugal fan wind-guiding structure is inconvenient to dismantle to can bring in impurity such as dust in the wind-guiding process, influence the use.

Prior art CN216842322U discloses a centrifugal fan's air ducting, including the device main part, device main part middle-end is equipped with centrifugal fan, and centrifugal fan top is equipped with fixed plate and motor, and centrifugal fan front wall is equipped with draw-in groove and handle, and centrifugal fan left side is equipped with the fixed frame, and the fixed frame inboard is equipped with installation piece and draw-in groove, and the inboard upper middle-end of draw-in groove is equipped with connecting block and spring with lower middle-end, and the spring bottom is equipped with the piece that supports, and the installation piece inboard is equipped with guide fan and connection rib, and guide fan both sides are equipped with fixture block and rubber chuck, centrifugal fan right side is equipped with inlet fan and impeller, and centrifugal fan inside bottom right side is equipped with the spout, and the spout is inside to be equipped with slider and filter screen, and centrifugal fan bottom is equipped with the supporting leg, and the device possesses convenient dismantlement and installs air ducting, filters advantages such as other impurity in the air of air guiding process.

The impurity in the air can be filtered to above-mentioned device, but when the clearance filter screen, need take out the filter screen from centrifugal fan is inside to clear up through the draw-in groove, and it is inefficiency to clear up the filter screen through the manual work, and the clearance is comparatively inconvenient.

Disclosure of Invention

The utility model aims to provide an air guide device of a centrifugal fan, which solves the problems that the conventional air guide device of the centrifugal fan needs to clean a filter screen manually, and the efficiency of cleaning the filter screen manually is low and the cleaning is inconvenient.

In order to achieve the above purpose, the utility model provides a centrifugal fan air guide device, which comprises a shell, a centrifugal fan body, a first filter screen and a guide fan, wherein the centrifugal fan body is arranged on the shell, the first filter screen is arranged in the shell, the guide fan is arranged in the shell, and the air guide device further comprises a cleaning assembly; the cleaning assembly comprises a fixing rod, a sliding block, a cleaning brush, a collecting shell, a driving member and a negative pressure member, wherein the fixing rod is fixedly connected with the shell and is positioned inside the shell, the sliding block is slidably connected with the fixing rod and is sleeved on the fixing rod, the cleaning brush is fixedly connected with the sliding block and is positioned on one side of the sliding block, the collecting shell is fixedly connected with the shell and is positioned inside the shell, the driving member is arranged on the cleaning brush and drives the cleaning brush to move, and the negative pressure member is arranged on the collecting shell and pumps out air inside the collecting shell.

The driving component comprises a rack, a gear, a movable seat and a driving motor, wherein the rack is fixedly connected with the shell and is positioned in the shell; the movable seat is fixedly connected with the cleaning brush and is positioned at one side of the cleaning brush far away from the sliding block; the gear is rotationally connected with the movable seat, meshed with the rack and arranged on the movable seat; the driving motor is connected with the movable seat and is positioned on one side of the movable seat, and the output end of the driving motor is connected with the gear.

The negative pressure component comprises a dust collecting box and a collecting fan, wherein the dust collecting box is fixedly connected with the collecting shell, is communicated with the collecting shell and is positioned at one side of the collecting shell; the collecting fan is fixedly connected with the dust collecting box and is positioned at one side of the dust collecting box.

The negative pressure component further comprises a second filter screen, wherein the second filter screen is fixedly connected with the dust collecting box and is positioned on one side, close to the collecting fan, of the dust collecting box.

The cleaning brush comprises a mounting shell, a spring and a brush body, wherein the mounting shell is fixedly connected with the movable seat, is fixedly connected with the sliding block and is positioned at one side of the movable seat far away from the rack; the spring is connected with the mounting shell and is positioned inside the mounting shell; the brush body is connected with the spring and is positioned at one end of the spring.

According to the centrifugal fan air guide device, when the first filter screen needs to be cleaned, the driving component is started to drive the cleaning brush to move, the cleaning brush is abutted against the first filter screen, so that impurities on the first filter screen can be brushed off by the movement of the cleaning brush, the movement of the sliding block is guided through the fixing rod, the movement of the cleaning brush is further guided, the movement of the cleaning brush is enabled to be more stable, impurities fall into the bottom of the shell under the action of gravity after the impurities on the first filter screen are brushed off by the cleaning brush, air in the collecting shell is pumped out through the negative pressure component, negative pressure is formed in the collecting shell, the impurities on the bottom of the shell can be sucked in, and the impurities are collected through the negative pressure component, so that the purposes of cleaning the first filter screen conveniently and improving the cleaning efficiency are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic view of the overall structure of a centrifugal fan air guiding device according to a first embodiment of the present utility model.

Fig. 2 is a schematic structural view of a cleaning assembly according to a first embodiment of the present utility model.

Fig. 3 is a schematic structural view of a driving member according to a first embodiment of the present utility model.

Fig. 4 is a schematic view of a mounting structure of a spring according to a second embodiment of the present utility model.

In the figure: 101-shell, 102-centrifugal fan body, 103-first filter screen, 104-fan guide, 105-cleaning component, 106-dead lever, 107-slider, 108-cleaning brush, 109-collection shell, 110-driving component, 111-negative pressure component, 112-rack, 113-gear, 114-movable seat, 115-driving motor, 116-dust collection box, 117-collection fan, 118-second filter screen, 201-installation shell, 202-spring, 203-brush body.

Detailed Description

The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.

First embodiment:

referring to fig. 1 to 3, fig. 1 is a schematic overall structure of a centrifugal fan wind guiding device, fig. 2 is a schematic structure of a cleaning assembly, and fig. 3 is a schematic structure of a driving member.

The utility model provides a centrifugal fan air guide device, which comprises a shell 101, a centrifugal fan body 102, a first filter screen 103, a guide fan 104 and a cleaning assembly 105, wherein the cleaning assembly 105 comprises a fixed rod 106, a sliding block 107, a cleaning brush 108, a collecting shell 109, a driving member 110 and a negative pressure member 111, the driving member 110 comprises a rack 112, a gear 113, a movable seat 114 and a driving motor 115, the negative pressure member 111 comprises a dust collecting box 116, a collecting fan 117 and a second filter screen 118, the cleaning brush 108 is driven to move by the driving member 110, so that the cleaning brush 108 can brush off impurities attached to the first filter screen 103, and the brushed impurities fall into the bottom of the shell 101 under the action of gravity, so that the impurities at the bottom of the shell 101 are collected by the collecting shell 109 and the negative pressure member 111.

For this embodiment, the centrifugal fan body 102 is installed on the casing 101, the first filter screen 103 is installed inside the casing 101, the fan guide 104 is detachably installed inside the casing 101, when the centrifugal fan body 102 is used, the fan guide 104 is started to guide air, and air entering the centrifugal fan body 102 is filtered through the first filter screen 103, so that dust or other impurities are prevented from being sucked and blown out by the centrifugal fan body 102.

The fixed rod 106 is fixedly connected with the shell 101, and is located inside the shell 101, the sliding block 107 is slidably connected with the fixed rod 106, and is sleeved on the fixed rod 106, the cleaning brush 108 is fixedly connected with the sliding block 107 and is located on one side of the sliding block 107, the collecting shell 109 is fixedly connected with the shell 101 and is located inside the shell 101, the driving member 110 is arranged on the cleaning brush 108 and drives the cleaning brush 108 to move, the negative pressure member 111 is arranged on the collecting shell 109 and pumps out air inside the collecting shell 109, when the first filter screen 103 is required to be cleaned, the driving member 110 is started to drive the cleaning brush 108 to move, the cleaning brush 108 is abutted against the first filter screen 103, so that the movement of the cleaning brush 108 can lead the movement of the sliding block 107 to the cleaning brush 108, and then the driving member 110 is arranged on the cleaning brush 108, and drives the cleaning brush 108 to move, the negative pressure member is further led to move the cleaning brush 108, the negative pressure member is further to enable the cleaning brush to move the shell to be more stable, and the negative pressure member is used for cleaning the impurities to be sucked into the shell 101, and the bottom of the shell is more conveniently cleaned by the negative pressure member, and the bottom of the cleaning brush is more convenient to collect the impurities, and the impurities can be sucked into the shell 101.

Secondly, the rack 112 is fixedly connected with the housing 101 and is located inside the housing 101; the movable seat 114 is fixedly connected with the cleaning brush 108 and is positioned at one side of the cleaning brush 108 away from the sliding block 107; the gear 113 is rotatably connected with the movable seat 114, meshed with the rack 112, and arranged on the movable seat 114; the driving motor 115 is connected with the moving seat 114 and is located at one side of the moving seat 114, an output end of the driving motor 115 is connected with the gear 113, the gear 113 is driven to rotate by the operation of the driving motor 115, and as the gear 113 is meshed with the rack 112, the rotation of the gear 113 can move on the rack 112, and then the moving seat 114 is driven to move, so that the moving seat 114 drives the cleaning brush 108 to move, and the cleaning brush 108 is driven to move.

Meanwhile, the dust collecting box 116 is fixedly connected with the collecting shell 109, is communicated with the collecting shell 109, and is positioned at one side of the collecting shell 109; the collecting fan 117 is fixedly connected with the dust box 116 and is located at one side of the dust box 116.

In addition, the second filter 118 is fixedly connected with the dust collecting box 116, and is located at one side of the dust collecting box 116 close to the collecting fan 117.

The collecting shell 109 is provided with a plurality of through holes, air can enter the collecting shell 109 through the plurality of through holes, the air inside the dust collecting box 116 is pumped out through the operation of the collecting fan 117, and then the air inside the collecting shell 109 is pumped out, so that the collecting shell 109 can pump the air communication impurities at the bottom of the shell 101 into the dust collecting box 116 together, at the moment, the air passes through the second filter screen 118 to be discharged out of the dust collecting box 116, and the impurities are left inside the dust collecting box 116 for collection, so that the aim of collecting the impurities brushed by the cleaning brush 108 is fulfilled.

When the centrifugal fan air guide device of the embodiment is used for cleaning the first filter screen 103, the driving motor 115 is started to drive the gear 113 to rotate, so that the gear 113 moves on the rack 112, the movable seat 114 is driven to move, the movable seat 114 drives the cleaning brush 108 to move, impurities attached to the first filter screen 103 are brushed off by the movement of the cleaning brush 108, the impurities finally fall on the bottom of the shell 101 under the action of gravity, after the first filter screen 103 is cleaned, the collecting fan 117 is started, so that the collecting fan 117 pumps out air inside the dust collecting box 116 and the collecting shell 109, the collecting shell 109 pumps in the air at the bottom of the shell 101 together with the impurities, and conveys the air and the impurities to the dust collecting box 116, the air entering the dust collecting box 116 is discharged through the second filter screen 118, and the impurities are reserved in the dust collecting box 116, so that the first filter screen 103 is cleaned, and the impurities at the bottom of the shell 101 are collected.

Second embodiment:

referring to fig. 4, fig. 4 is a schematic view of a mounting structure of a spring of the second embodiment, and the cleaning brush 108 of the present embodiment includes a mounting housing 201, a spring 202, and a brush body 203.

For the present embodiment, the mounting shell 201 is fixedly connected to the moving seat 114, and is fixedly connected to the slider 107, and is located at a side of the moving seat 114 away from the rack 112; the spring 202 is connected with the mounting shell 201 and is positioned inside the mounting shell 201; the brush body 203 is connected with the spring 202 and is located at one end of the spring 202, the spring 202 is provided with a plurality of springs and is uniformly distributed inside the installation shell 201, and force is applied to the brush body 203 through the spring 202, so that the brush body 203 can better abut against the first filter screen 103, and the cleaning effect of the cleaning brush 108 on the first filter screen 103 is improved.

The foregoing disclosure is only illustrative of one or more preferred embodiments of the present utility model, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the utility model.

Claims

1. The centrifugal fan air guide device comprises a shell, a centrifugal fan body, a first filter screen and a guide fan, wherein the centrifugal fan body is arranged on the shell, the first filter screen is arranged in the shell, the guide fan is arranged in the shell,

the cleaning assembly is also included;

the cleaning assembly comprises a fixing rod, a sliding block, a cleaning brush, a collecting shell, a driving member and a negative pressure member, wherein the fixing rod is fixedly connected with the shell and is positioned inside the shell, the sliding block is slidably connected with the fixing rod and is sleeved on the fixing rod, the cleaning brush is fixedly connected with the sliding block and is positioned on one side of the sliding block, the collecting shell is fixedly connected with the shell and is positioned inside the shell, the driving member is arranged on the cleaning brush and drives the cleaning brush to move, and the negative pressure member is arranged on the collecting shell and pumps out air inside the collecting shell.

2. The centrifugal fan wind-guiding device according to claim 1, wherein,

the driving component comprises a rack, a gear, a moving seat and a driving motor, wherein the rack is fixedly connected with the shell and is positioned in the shell; the movable seat is fixedly connected with the cleaning brush and is positioned at one side of the cleaning brush far away from the sliding block; the gear is rotationally connected with the movable seat, meshed with the rack and arranged on the movable seat; the driving motor is connected with the movable seat and is positioned on one side of the movable seat, and the output end of the driving motor is connected with the gear.

3. The centrifugal fan wind-guiding device according to claim 1, wherein,

4. The centrifugal fan wind-guiding device according to claim 3, wherein,

the negative pressure component further comprises a second filter screen, wherein the second filter screen is fixedly connected with the dust collecting box and is positioned at one side of the dust collecting box, which is close to the collecting fan.

5. The centrifugal fan wind-guiding device according to claim 2, wherein,