CN220037096U

CN220037096U - High-efficient centrifugal fan

Info

Publication number: CN220037096U
Application number: CN202321354448.4U
Authority: CN
Inventors: 蒋凤明
Original assignee: Shanghai Mingyan Machinery Manufacturing Co ltd
Current assignee: Shanghai Mingyan Machinery Manufacturing Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-11-17
Anticipated expiration: 2033-05-31

Abstract

The utility model relates to the technical field of centrifugal fans, in particular to a high-efficiency centrifugal fan which comprises a fan and a waterproof motor arranged on the fan and used for driving fan blades in the fan to rotate, wherein a trash discharging assembly is arranged at the bottom of a shell of the fan and comprises an arc-shaped cover fixedly arranged at the bottom of the shell of the fan, a discharge pipe is fixedly arranged at the bottom end of the arc-shaped cover, a first valve is fixedly arranged on the discharge pipe, an adding assembly is arranged at the top of the shell of the fan and comprises an adding pipe fixedly arranged at the top of the shell of the fan, a second valve is fixedly arranged on the adding pipe, a mesh cover is fixedly arranged at an air inlet part of the fan, a threaded pipe is fixedly arranged at the bottom end of the discharge pipe, a sealing cover is connected to the threaded pipe in a threaded manner, and a dust cover is sleeved on the adding pipe. The utility model can carry out cleaning operation, reduce the residue and the blocking of impurities, and is convenient for high-efficiency working and use.

Description

High-efficient centrifugal fan

Technical Field

The utility model relates to the technical field of centrifugal fans, in particular to a high-efficiency centrifugal fan.

Background

The centrifugal fan is a machine for improving the pressure of gas and discharging the gas, the centrifugal fan generally works by utilizing a motor to drive corresponding fan blades to rotate so as to finish the gas conveying operation, an air inlet and outlet hole is formed in the centrifugal fan, external air enters along with an air inlet hole and is discharged outwards from an air outlet hole, and most of centrifugal fans in the market have the effect of efficiently conveying the air at present;

the utility model patent with the authority of publication number CN111472985A discloses a high-efficiency vibration-damping and noise-reducing centrifugal ventilator, which comprises a blower housing, an impeller, a motor and a vibration-damping base, wherein an air outlet and a movable ring are arranged on the blower housing;

although this technical scheme has structural design rationally, can effectively restrain noise and the vibration that centrifugal fan operation in-process produced, be fit for a large amount of advantages of popularization, but this technical scheme is when specifically using, lack on it and can let in the washing liquid and carry out abluent pipeline towards fan casing inside, the bottom of fan casing also lacks simultaneously and outwards exhaust pipeline with impurity, be unfavorable for carrying out the washing operation, after the fan works for a long time, can appear more impurity and be inhaled the condition in the fan, impurity pile up in the fan casing and with the rotation of flabellum and bump between the flabellum can lead to the fact the damage to the flabellum, simultaneously, the blocking of impurity also can influence the rotational speed of flabellum, especially after inhaling oily gas, viscous fluid adheres to on fan casing inner wall and flabellum, can cause the resistance to the rotation of flabellum because of fluid stickness, influence the rotational speed of flabellum, be unfavorable for high-efficient work, bring inconvenience for the user. In view of this, we propose a high efficiency centrifugal fan.

Disclosure of Invention

The utility model aims to provide a high-efficiency centrifugal fan so as to solve the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a high-efficient centrifugal fan, includes the fan and sets up on the fan and be used for driving the fan blade pivoted waterproof motor in the fan, the casing bottom of fan is provided with arranges miscellaneous subassembly, arrange miscellaneous subassembly and be in including fixed mounting the arc cover of fan casing bottom position department, the bottom fixed mounting of arc cover has the discharge pipe, fixed mounting has first valve on the discharge pipe, the casing top position department of fan is provided with the interpolation subassembly, the interpolation subassembly includes fixed mounting and is in the interpolation pipe of fan casing top position department, fixed mounting has the second valve on the interpolation pipe.

Preferably, the bottom of the fan and the waterproof motor is fixedly provided with a support base, and the support base is used for stabilizing support operation.

Preferably, a mesh cover is fixedly arranged at the air inlet hole of the fan and used for blocking external objects from extending in.

Preferably, the mesh cover is fixedly provided with a fixing ring, and the fixing ring is fixedly arranged on the fan through a plurality of fastening screws, so that the mesh cover is convenient to fixedly install and detach.

Preferably, the bottom fixed mounting of discharge pipe has the screwed pipe, threaded connection has sealed lid on the screwed pipe, fixed mounting has the knob on the bottom surface of sealed lid, can play the effect of further sealed protection through the sealed lid that sets up.

Preferably, the adding pipe is sleeved with a dust cover, and the dust protection effect can be achieved through the dust cover.

Preferably, a rubber belt is fixedly arranged between the dust cover and the adding pipe, and the dust cover is not easy to lose due to the limiting function of the rubber belt.

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

1. according to the utility model, through the impurity discharging assembly, impurities in the fan shell can be discharged outwards along the discharge pipe when the fan is used, and in addition, through the adding assembly, the cleaning operation of adding cleaning liquid into the fan by using the adding pipe is facilitated, the cleaning operation of the inside of the fan shell and the fan blades is realized, after the cleaning operation is realized, the adhesion of the impurities can be reduced, the inside of the fan is cleaner, no blocking object exists, the rotating speed of the fan is not influenced, the efficient conveying operation of the fan is facilitated, and the effects of facilitating the cleaning and reducing the adhesion of the impurities are achieved.

2. According to the utility model, the effect of preventing external objects from extending into the fan can be achieved through the mesh hole cover, in addition, the mesh hole cover can be detached, and the mesh hole cover and the inside of the fan can be cleaned conveniently after the mesh hole cover is detached.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an exploded view of the trash assembly of the present utility model;

FIG. 3 is a schematic diagram of the structure of the additive assembly of the present utility model.

The meaning of each reference numeral in the figures is: 1. a blower; 10. a waterproof motor; 11. a support base; 12. a mesh cage; 121. a fixing ring; 2. a trash removal assembly; 20. an arc-shaped cover; 21. a discharge pipe; 22. a first valve; 23. a threaded tube; 24. sealing cover; 25. a knob; 3. adding components; 30. an addition tube; 31. a second valve; 32. a dust cover; 33. a rubber belt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a high-efficient centrifugal fan, includes fan 1 and sets up on fan 1 and is used for driving the waterproof motor 10 of the flabellum rotation in the fan 1, and the casing bottom of fan 1 is provided with arranges miscellaneous subassembly 2, arranges miscellaneous subassembly 2 and includes the arc cover 20 of fixed mounting in fan 1 casing bottom position department, and the radian of arc cover 20 is the same with the radian of fan 1 casing, makes arc cover 20 can not cause blocking to the flabellum normal rotation in the fan 1;

specifically, the bottom fixed mounting of arc cover 20 has discharge pipe 21, fixed mounting has first valve 22 on the discharge pipe 21, and the casing top position department of fan 1 is provided with interpolation subassembly 3, and interpolation subassembly 3 is including the interpolation pipe 30 of fixed mounting in fan 1 casing top position department, and fixed mounting has second valve 31 on the interpolation pipe 30, guarantees when using, can utilize interpolation pipe 30 to add the washing liquid towards fan 1 in, utilizes discharge pipe 21 to outwards discharge impurity, realizes wasing the operation, facilitates the use.

In this embodiment, the bottoms of the blower fan 1 and the waterproof motor 10 are fixedly provided with a support base 11, and the support base 11 is used for stabilizing the support operation.

Specifically, the air inlet hole part of the fan 1 is fixedly provided with a mesh cover 12, the mesh cover 12 is of a mesh-shaped structure, and the mesh cover 12 is used for blocking external objects from extending in and performing safety protection operation.

Further, fixed ring 121 is fixedly installed on mesh cover 12, and fixed ring 121 is fixedly installed on fan 1 through a plurality of fastening screws, so that fixed installation and disassembly operations are conveniently carried out on mesh cover 12, and after disassembly, cleaning operations are conveniently carried out on mesh cover 12 and the inside of fan 1.

In addition, the bottom end of the discharge pipe 21 is fixedly provided with a threaded pipe 23, the threaded pipe 23 is in threaded connection with a sealing cover 24, a knob 25 is fixedly arranged on the bottom surface of the sealing cover 24, and the sealing cover 24 can achieve the effect of further sealing protection.

The dust cover 32 is sleeved on the adding pipe 30, and the dust protection effect can be achieved through the dust cover 32.

It is noted that the rubber belt 33 is fixedly installed between the dust cover 32 and the adding pipe 30, and the dust cover 32 is not easy to lose due to the limiting function of the rubber belt 33.

When the efficient centrifugal fan is used, the fixing ring 121 can be detached to clean the inside of the net hole cover 12 and the fan 1, in addition, the first valve 22 can be opened, the sealing cover 24 can be unscrewed to enable impurities to be discharged outwards along the discharge pipe 21, in addition, the second valve 31 is opened, cleaning liquid is added into the fan 1 by using the adding pipe 30 to perform cleaning operation, and after cleaning, fan blades in the fan 1 and the fan 1 can be cleaner, blocking of blocking objects is reduced, and the efficient centrifugal fan is convenient to use.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-efficient centrifugal fan, includes fan (1) and sets up on fan (1) and be used for driving fan blade pivoted waterproof motor (10) in fan (1), its characterized in that: the bottom of the shell of the fan (1) is provided with a trash discharging assembly (2), the trash discharging assembly (2) comprises an arc-shaped cover (20) fixedly arranged at the bottom of the shell of the fan (1), the bottom end of the arc-shaped cover (20) is fixedly provided with a discharge pipe (21), the discharge pipe (21) is fixedly provided with a first valve (22), the fan is characterized in that an adding component (3) is arranged at the top of the fan (1), the adding component (3) comprises an adding pipe (30) fixedly installed at the top of the fan (1), and a second valve (31) is fixedly installed on the adding pipe (30).

2. The efficient centrifugal fan according to claim 1, wherein: the fan (1) and the bottom of the waterproof motor (10) are fixedly provided with a supporting base (11), and the supporting base (11) is used for stabilizing supporting operation.

3. The efficient centrifugal fan according to claim 1, wherein: the air inlet hole part of the fan (1) is fixedly provided with a mesh cover (12), and the mesh cover (12) is used for blocking external objects from extending in.

4. A high efficiency centrifugal fan according to claim 3, wherein: the mesh cover (12) is fixedly provided with a fixing ring (121), and the fixing ring (121) is fixedly arranged on the fan (1) through a plurality of fastening screws.

5. The efficient centrifugal fan according to claim 1, wherein: the bottom end of the discharge pipe (21) is fixedly provided with a threaded pipe (23), the threaded pipe (23) is connected with a sealing cover (24) in a threaded manner, and the bottom surface of the sealing cover (24) is fixedly provided with a knob (25).

6. The efficient centrifugal fan according to claim 1, wherein: a dust cover (32) is sleeved on the adding pipe (30).

7. The efficient centrifugal fan according to claim 6, wherein: a rubber belt (33) is fixedly arranged between the dustproof cover (32) and the adding pipe (30).