CN214499523U - Multi-wind wheel fan - Google Patents

Abstract

The utility model discloses a multi-wind wheel fan, which comprises a shell, wherein a plurality of first air inlets and a plurality of first air outlets are arranged on the shell; at least two wind wheel subassemblies set up in the casing, and the wind wheel subassembly includes: the volute is respectively opposite to a second air inlet of the first air inlet and a second air outlet of the first air outlet; the motor is arranged in the volute; the motor drives the wind wheel to rotate so as to enable air to enter the volute through the first air inlet and the second air inlet in sequence and to be blown out through the second air outlet and the first air outlet in sequence; through setting up a plurality of wind wheel subassemblies, can let the air-out of fan more even and soft when improving the air output of fan, reducing the fan volume.

Description

Multi-wind wheel fan

Technical Field

The utility model relates to a fan field, in particular to many wind wheels fan.

Background

Among the present domestic fan, all be floor fan blade axial fan usually, the fan outside only has the cage frame that a plurality of metal strip is constituteed to protect, not only inhales the dust easily and causes the pile up to these fan blade fans all are the form of single fan blade group, and the air-out is inhomogeneous, need design the structure of shaking the head to supply air to different position, have bulky, the structure is complicated, the big shortcoming of noise.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a many wind wheels fan.

The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is: a multiple-impeller fan comprising:

the air conditioner comprises a shell, a first air inlet and a second air outlet, wherein the shell is provided with a plurality of first air inlets and a plurality of first air outlets;

at least two wind wheel subassemblies set up in the casing, and the wind wheel subassembly includes:

the volute is provided with a second air inlet opposite to the first air inlet and a second air outlet opposite to the first air outlet;

the motor is arranged in the volute;

the wind wheel is arranged in the volute and connected with the motor, and the motor drives the wind wheel to rotate so as to enable air to enter the volute through the first air inlet and the second air inlet in sequence and blow out through the second air outlet and the first air outlet in sequence.

Further, the multi-wind-wheel fan further comprises a filter screen arranged between the first air inlet and the second air inlet.

Further, the wind wheel includes the first solid fixed ring and the second solid fixed ring of relative arrangement and both ends respectively with the first solid fixed ring and the second gu a plurality of arc fan blade of being connected.

Further, the radian of the arc-shaped fan blade is larger than 90 degrees and smaller than 180 degrees.

Furthermore, the multi-wind-wheel fan also comprises wind guide blades arranged on the first air outlet.

Furthermore, the air guide blade is arranged on the first air outlet through the rotating structure.

Further, the rotating structure comprises a rotating groove and a rotating column, one of the rotating groove and the rotating column is arranged on the first air outlet, the other of the rotating groove and the rotating column is arranged on the air guide blade, and the rotating groove is in interference connection with the rotating column.

Furthermore, an inner shell is arranged on the inner wall of the shell, a cavity is enclosed between the inner shell and the inner wall of the shell, and a plurality of micropores communicated with the cavity are arranged on the inner shell.

Further, the pore diameter of the micropores is larger than 0.1mm and smaller than 0.7 mm.

Furthermore, a plurality of partition plates vertical to the shell are arranged in the cavity at intervals.

The utility model has the advantages that: a multi-wind wheel fan comprises a shell, wherein a plurality of first air inlets and a plurality of first air outlets are formed in the shell; at least two wind wheel subassemblies set up in the casing, and the wind wheel subassembly includes: the volute is provided with a second air inlet opposite to the first air inlet and a second air outlet opposite to the first air outlet; the motor is arranged in the volute; the motor drives the wind wheel to rotate so as to enable air to enter the volute through the first air inlet and the second air inlet in sequence and to be blown out through the second air outlet and the first air outlet in sequence; through setting up a plurality of wind wheel subassemblies, can let the air-out of fan more even and soft when improving the air output of fan, reducing the fan volume.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an exploded view of a multiple impeller fan;

FIG. 2 is a schematic view of a multi-impeller fan;

fig. 3 is a partially enlarged view of the area a in fig. 2.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 3, a multi-wind wheel fan includes:

a housing 10, on which a plurality of first air inlets 12 and a plurality of first air outlets 11 are arranged;

at least two wind wheel assemblies, set up in casing 10, the wind wheel assembly includes:

the volute 21 is provided with a second air inlet 25 opposite to the first air inlet 12 and a second air outlet 22 opposite to the first air outlet 11;

a motor disposed in the scroll case 21;

and the wind wheel 24 is arranged in the volute 21 and connected with the motor, and the motor drives the wind wheel 24 to rotate so as to enable air to enter the volute 21 through the first air inlet 12 and the second air inlet 25 in sequence and to be blown out through the second air outlet 22 and the first air outlet 11 in sequence.

The utility model discloses in, through set up two at least wind wheel subassemblies in casing 10, can be with the air suction around the fan to casing 10 in, wind wheel 24 blows off the air from first air outlet 11, first air intake 12 sets up to the aperture of a plurality of equipartition on casing 10, the quantity of first air outlet 11 is 2 at least, furtherly, set up filter screen 23 between first air intake 12 and second air intake 25, can filter the air that inhales in casing 10, filter screen 23 can comprise the multilayer filter layer, including the particle filter layer, first odor filter layer and/or second filter layer, respectively to the large granule in the air, peculiar smell primary treatment and/or secondary treatment in the air, the air that lets the fan blow off is more clean, the utility model has the advantages of: adopt casing 10 to play the guard action, both protect the inside device of fan, also prevent personnel's accidental injury, the wind wheel subassembly can produce the wind pressure, take out the air in casing 10 better, and, the setting of many wind wheels can furthest reduce the volume of fan when improving the amount of wind, as shown in the attached drawing, the wind wheel subassembly can be for arranging as shown in figure 1, also can adopt double setting, namely the wind wheel subassembly is double-row in casing 10 and arranges, every row includes a plurality of wind wheel subassembly, the second air exit 22 of the wind wheel subassembly of first row is towards one side of casing 10, the second air exit 22 of the wind wheel subassembly of second row is towards the opposite side of casing 10, can have bigger intake and bigger air output, specific arrangement and quantity can change according to the demand, do not give unnecessary details here and restrict.

The multi-impeller fan further includes a screen 23 disposed between the first intake vent 12 and the second intake vent 25.

The wind wheel 24 includes a first fixing ring 241 and a second fixing ring 242 which are arranged oppositely, and a plurality of arc-shaped wind blades 243 whose two ends are respectively connected with the first fixing ring 241 and the second fixing ring 242.

The arc of the arc-shaped fan blade 243 is greater than 90 degrees and less than 180 degrees.

The multi-impeller fan further comprises air guide blades 30 arranged on the first air outlet 11.

The air guiding blade 30 is disposed on the first air outlet 11 through a rotating structure.

The rotating structure comprises a rotating groove and a rotating column, one of the rotating groove and the rotating column is arranged on the first air outlet 11, the other of the rotating groove and the rotating column is arranged on the air guide blade 30, and the rotating groove is in interference connection with the rotating column; the interference fit of the rotating groove and the rotating column has the advantages of simple structure and good angle adjusting effect, and certainly, the air guide blades 30 can also be arranged to rotate in the horizontal direction and rotate in the vertical direction, so that the wind direction adjustment in the horizontal direction and the wind direction adjustment in the vertical direction can be realized, and the interference fit of the rotating groove and the rotating column is also adopted in the horizontal direction rotation adjustment.

An inner shell 40 is arranged on the inner wall of the shell 10, a cavity is enclosed between the inner shell 40 and the inner wall of the shell 10, and a plurality of micropores 50 communicated with the cavity are arranged on the inner shell 40.

The pore diameter of the micropores 50 is greater than 0.1mm and less than 0.7 mm.

A plurality of partition plates 60 which are vertical to the shell 10 are arranged in the cavity at intervals; can play the effect of making an uproar of falling through above-mentioned structure, the motor drives 24 pivoted in-process of wind wheel and can produce great noise, and the air also can produce wind when each air intake and air outlet, these sound waves enter into to the cavity through micropore 50 and are consumed the energy, play good noise reduction, division board 60's setting can have wider noise elimination sound field, and is further, can set up the noise elimination cotton in the cavity, let the noise reduction of fan better, during operation is more silent.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. A multiple-impeller fan, comprising:

the air conditioner comprises a shell (10), a plurality of first air inlets (12) and a plurality of first air outlets (11) are arranged on the shell;

at least two wind wheel assemblies disposed within the housing (10), the wind wheel assemblies comprising:

the volute (21) is provided with a second air inlet (25) opposite to the first air inlet (12) and a second air outlet (22) opposite to the first air outlet (11);

a motor disposed within the volute (21);

the wind wheel (24) is arranged in the volute (21) and connected with the motor, the motor drives the wind wheel (24) to rotate so as to enable air to sequentially pass through the first air inlet (12) and the second air inlet (25) to enter the volute (21), and then sequentially pass through the second air outlet (22) and the first air outlet (11) to be blown out.

2. A multiple wind wheel fan as claimed in claim 1, wherein: the filter screen is characterized by further comprising a filter screen (23) arranged between the first air inlet (12) and the second air inlet (25).

3. A multiple wind wheel fan as claimed in claim 1, wherein: the wind wheel (24) comprises a first fixing ring (241) and a second fixing ring (242) which are oppositely arranged, and a plurality of arc-shaped fan blades (243) of which two ends are respectively connected with the first fixing ring (241) and the second fixing ring (242).

4. A multiple wind wheel fan as claimed in claim 3, wherein: the radian of the arc-shaped fan blade (243) is larger than 90 degrees and smaller than 180 degrees.

5. A multiple wind wheel fan as claimed in claim 1, wherein: the wind guide device also comprises wind guide blades (30) arranged on the first wind outlet (11).

6. A multiple wind wheel fan as claimed in claim 5, wherein: the air guide blades (30) are arranged on the first air outlet (11) through a rotating structure.

7. A multiple wind wheel fan according to claim 6, wherein: the rotating structure comprises a rotating groove and a rotating column, one of the rotating groove and the rotating column is arranged on the first air outlet (11), the other of the rotating groove and the rotating column is arranged on the air guide blade (30), and the rotating groove is in interference connection with the rotating column.

8. A multiple wind wheel fan as claimed in claim 1, wherein: be provided with interior casing (40) on the inner wall of casing (10), interior casing (40) with enclose into a cavity between the inner wall of casing (10), be provided with on interior casing (40) a plurality of with micropore (50) that the cavity is linked together.

9. A multiple wind wheel fan as defined in claim 8, wherein: the pore diameter of the micropores (50) is larger than 0.1mm and smaller than 0.7 mm.

10. A multiple wind wheel fan as defined in claim 8, wherein: a plurality of partition plates (60) which are vertical to the shell (10) are arranged in the cavity at intervals.

Images