CN221220916U - Fan - Google Patents

Abstract

The utility model discloses a fan, which comprises a volute, wherein the volute is provided with an air inlet end and an air outlet end; the rotor is arranged in the volute; the fan blades are sleeved on the periphery of the rotor, guide external air into the volute from the air inlet end and discharge the external air through the air outlet end; the utility model adopts the structure that the upper end of the volute is provided with a sleeve, a filter screen is arranged in the sleeve, and impurity dust contained in air can be blocked in the process of introducing external air.

Description

Fan

Technical Field

The utility model belongs to the technical field of fans, and particularly relates to a fan.

Background

The dust removing fan is equipment for improving working environment air and improving air convection, adopts a pumping ventilation and dust removing principle, is used for purifying dust in air, is widely applied to coal mines, and can remove a large amount of coal ash and dust generated in the coal mining process of the mines.

The chinese patent with application number CN202022610514.2 discloses a centrifugal blower, including spiral case, rotor and casing, drive arrangement, the both sides of spiral case are all installed the casing, the air outlet of casing is connected with the mass collector, the mass collector is located the inside of spiral case, the rotor includes ternary flow impeller and pivot, ternary flow impeller installs in the pivot, just ternary flow impeller is located the mass collector inside, the pivot both ends pass the casing, just the pivot passes through the bearing frame and supports, through the surface load distribution that designs ternary flow blade into ternary flow blade that zero attack angle was intake obtained often more evenly, ternary flow blade more is fit for fluidic three-dimensional motion law and has superior flow characteristic, consequently can obtain better air current flow characteristic, can reduce the energy loss when fan operates, can show improvement fan's air input and improve work efficiency through the double inlet of casing.

However, the fan in the prior art extracts air in the working environment of workers, discharges air with coal ash through the exhaust pipe, and directly discharges the air without filtering, thus easily causing secondary pollution.

Disclosure of utility model

In order to solve the technical problems, the utility model adopts the following technical scheme:

A blower, comprising: the volute is provided with an air inlet end and an air outlet end;

The rotor is arranged in the volute;

The fan blades are sleeved on the periphery of the rotor, guide external air into the volute from the air inlet end and discharge the external air through the air outlet end; the driving component is connected with the outer wall of the volute and is used for driving the rotor to rotate;

The volute is provided with a detachable sleeve, and the air inlet end is positioned at the end part of the sleeve;

a filter screen is arranged in a sleeve connected with the volute.

Further, a filter screen is arranged in the sleeve.

Further, the sleeve is connected with the draw-in groove near spiral case one end.

Further, the opening directions of the clamping grooves are horizontally and oppositely arranged.

Further, both ends of the filter screen are respectively inserted into the two clamping grooves.

Further, the sleeve end is provided with a protective net.

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

a sleeve is arranged at the upper end of the volute, a filter screen is arranged in the sleeve, and impurity dust contained in air can be blocked in the process of introducing outside air;

The sleeve is in threaded connection with the volute, so that the sleeve is combined and detached, the filter screen is convenient to replace, and the dust removal effect of the fan is maintained.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of a blower of the present utility model;

FIG. 2 is a schematic view of a sleeve in an embodiment of a fan according to the present utility model;

Reference numerals in the drawings of the specification include:

The spiral case 1, rotor 10, inlet end 11, air-out end 12, sleeve 2, filter screen 20, draw-in groove 21, protection network 22.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted, and that like or similar reference numerals in the drawings correspond to like or similar components in the embodiments of the present utility model; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific position, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

Examples:

as shown in fig. 1-2, the fan of the present utility model comprises a volute 1, a rotor 10, fan blades and a driving component, wherein the volute 1 has an air inlet end 11 and an air outlet end 12;

The rotor 10 is arranged in the volute 1;

The fan blades are sleeved on the periphery of the rotor 10, and outside air is led into the volute 1 from the air inlet end 11 and is discharged through the air outlet end 12; a driving part (not shown) is connected with the outer wall of the volute 1 and is used for driving the rotor 10 to rotate;

The volute 1 is provided with a detachable sleeve 2, and the air inlet end 11 is positioned at the end of the sleeve 2.

Wherein, set up the filter screen 20 in the sleeve 2, adopt and set up sleeve 2 in spiral case 1 upper end to place the filter screen 20 in this sleeve 2, in outside air import, can separate the impurity dust that contains in the air.

The sleeve 2 is in threaded connection with the volute 1, so that the sleeve and the volute are combined and detached, the filter screen 20 is convenient to replace, and the dust removal effect of the fan is maintained; the sleeve 2 is close to spiral case 1 one end and is connected with draw-in groove 21, and draw-in groove 21 opening direction level sets up relatively, and sleeve 2 lower extreme is provided with draw-in groove 21, and filter screen 20 can be fixed between sleeve 2 and spiral case 1 through this draw-in groove 21.

Specifically, two ends of the filter screen 20 are respectively inserted into the two clamping grooves 21.

In addition, the protection net 22 arranged at the top of the sleeve 2 prevents the entry of large-volume foreign matters under the condition of ensuring the inflow of external air, and prevents the damage to the fan.

The foregoing is merely exemplary of the present utility model, and specific structures and features well known in the art will not be described in detail herein, so that those skilled in the art will be aware of all the prior art to which the present utility model pertains, and will be able to ascertain the general knowledge of the technical field in the application or prior art, and will not be able to ascertain the general knowledge of the technical field in the prior art, without using the prior art, to practice the present utility model, with the aid of the present utility model, to ascertain the general knowledge of the same general knowledge of the technical field in general purpose. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (6)

1. A blower, comprising:

The volute is provided with an air inlet end and an air outlet end;

The rotor is arranged in the volute;

the fan blades are sleeved on the periphery of the rotor, guide external air into the volute from the air inlet end and discharge the external air through the air outlet end;

The driving component is connected with the outer wall of the volute and is used for driving the rotor to rotate;

The volute is provided with a detachable sleeve, and the air inlet end is positioned at the end part of the sleeve;

a filter screen is arranged in a sleeve connected with the volute.

2. A fan as claimed in claim 1, wherein: the sleeve is in threaded connection with the volute.

3. A fan as claimed in claim 2, wherein: one end of the sleeve, which is close to the volute, is connected with a clamping groove.

4. A fan as claimed in claim 3, wherein: the opening directions of the clamping grooves are horizontally and oppositely arranged.

5. A fan as set forth in claim 4, wherein: the two ends of the filter screen are respectively inserted into the two clamping grooves.

6. A fan as claimed in claim 1, wherein: the end part of the sleeve is provided with a protective net.