CN219119474U - Embedded one-way air inlet fan of fresh air exchanger - Google Patents

Abstract

The utility model provides an embedded one-way air inlet fan of fresh air switch, includes the fan support that top panel, wind channel shell and lower panel constitute, sets up the fresh air inlet on the top panel, sets up the air outlet on the wind channel shell, sets up the wind wheel in the wind channel shell, the downside of wind wheel sets up the concave assembling platform of indent, and the center department of assembling concave assembling platform sets up the shaft hole, sets up alternating current motor in the assembling concave assembling platform, and alternating current motor's output shaft hole sets up thru hole and end plate on the lower panel, and the end plate covers the thru hole, sets up the motor fixed orifices on the end plate, and alternating current motor's tail end is equipped with the fixed block, and the fixed block stretches through the thru hole and cooperatees with the motor fixed orifices to fixed mutually by the screw. Compared with the prior art, firstly, the volume of the whole fresh air exchanger can be reduced, the plate consumption of the machine shell is reduced, and the cost is saved; 2. because the end plate shields the through holes, the wind wheel is blocked from entering the wind from the lower panel, the unidirectional wind entering of the wind wheel is realized, the wind entering quantity is reduced, the noise is low, and the air conditioner is suitable for a small wind quantity fresh air exchanger.

Description

Embedded one-way air inlet fan of fresh air exchanger

Technical Field

The utility model relates to an embedded unidirectional air inlet fan of a fresh air exchanger, and belongs to the field of ventilation equipment.

Background

The fresh air exchanger is used for exchanging indoor polluted air with outdoor fresh air, and energy (heat energy or cold energy) in the indoor air can be recycled during exchanging, so that energy consumption required by exchanging is reduced, and the purposes of energy conservation and environmental protection are achieved. The core component of the fresh air exchanger is an exchange core, but when the fresh air exchanger is exchanged, the air inlet of a fan is needed, the size of the fan power determines the air volume of the fresh air exchanger, so that the air inlet fan of the existing fresh air exchanger is mostly driven by a high-power direct current motor, the air volume is large, and the direct current motor is arranged on a fan bracket, so that the whole fan is large in volume, and the whole fresh air exchanger is large in volume. With the continuous improvement of the requirements of people on life quality, the noise of the large-air-volume fresh air exchanger is larger, so that the small-air-volume fresh air exchange requirement of people on low noise is continuously increased, and a fan suitable for the low-noise fresh air exchanger needs to be developed.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides an embedded unidirectional air inlet fan of a fresh air exchanger, which adopts an embedded assembly structure, places an alternating current motor in a wind wheel and effectively reduces the volume of the whole fan.

The utility model relates to an embedded unidirectional air intake fan of a fresh air exchanger, which comprises the following technical scheme: the method is characterized in that: including the fan support that top panel, wind channel shell and lower panel constitute, set up the fresh air inlet on the top panel, set up the air outlet on the wind channel shell, set up the wind wheel in the wind channel shell, the downside of wind wheel sets up the concave platform of inwards concave assembly, and the center department of assembly concave platform sets up the shaft hole, sets up alternating current motor in the concave platform of assembly, and alternating current motor's output shaft hole sets up thru hole and end plate on the lower panel, and the thru hole is covered to the end plate, sets up the motor fixed orifices on the end plate, and alternating current motor's tail end is equipped with the fixed block, and the fixed block stretches through the thru hole and cooperatees with the motor fixed orifices to fixed mutually by the screw.

The utility model relates to an embedded unidirectional air intake fan of a fresh air exchanger, which is mainly characterized in that an inward concave assembling concave table is arranged in a wind wheel, a shaft hole is arranged at the center of the assembling concave table and is concentric with the wind wheel, an alternating current motor is arranged in the assembling concave table, an output shaft of the alternating current motor is connected with the shaft hole, a fixed block is arranged at the tail end of the alternating current motor, the tail end of the output shaft is connected with the fixed block, an end plate is arranged on a lower panel, and the fixed block is fixed with a motor fixing hole on the end plate through a screw, so that the alternating current motor rotates along with the wind wheel when the air intake fan works. Compared with the prior art, firstly, the alternating current motor is arranged in the assembling concave table of the wind wheel, which is equivalent to embedding the alternating current motor in the wind wheel, so that the height occupied by the motor can be reduced, the volume of the whole fan can be reduced, the volume of the whole fresh air exchanger can be further reduced, the plate consumption of the shell is reduced, and the cost is saved; 2. because the end plate shields the through holes, the wind wheel is blocked from entering the wind from the lower panel, the unidirectional wind entering of the wind wheel is realized, the wind entering quantity is reduced, the noise is low, and the air conditioner is suitable for a small wind quantity fresh air exchanger.

According to the embedded unidirectional air intake fan of the fresh air exchanger, the reinforcing ribs are uniformly distributed on the peripheral wall and the bottom surface of the assembly concave table, so that the strength of the assembly concave table is improved, and the service life of the assembly concave table is prolonged. The shaft hole in set up metal insert, metal insert cooperatees with the output shaft, connects more reliably.

Drawings

FIG. 1 is a schematic diagram of an embedded unidirectional air intake fan of a fresh air exchanger;

FIG. 2 is a split schematic diagram of an embedded unidirectional air intake fan of the fresh air exchanger;

fig. 3 is a schematic perspective view of an embedded unidirectional air intake fan of the fresh air exchanger.

Detailed Description

The utility model relates to an embedded unidirectional air intake fan of a fresh air exchanger, which is shown in figures 1-3, and comprises a fan bracket 01 formed by an upper panel 1, an air duct shell 2 and a lower panel 3, wherein an air inlet 5 is arranged on the upper panel 1, an air outlet 6 is arranged on the air duct shell 2, a wind wheel 7 is arranged in the air duct shell 2, an inward concave assembling concave table 8 is arranged on the lower side surface of the wind wheel 7, a shaft hole 9 is arranged at the center of the assembling concave table, an alternating current motor 10 is arranged in the assembling concave table, an output shaft 11 of the alternating current motor 10 is connected with the shaft hole 9, a through hole 12 and an end plate 13 are arranged on the lower panel 3, the through hole 12 is covered by the end plate 13, a motor fixing hole 15 is arranged on the end plate 13, and a fixing block 16 is arranged at the tail end of the alternating current motor 10, extends through the through hole 12 to be matched with the motor fixing hole 15 and is fixed by a screw 17. The main characteristics of this scheme are set up the assembly concave station 8 of indent in wind wheel 7, the center department of assembly concave station sets up shaft hole 9, shaft hole 9 is concentric with wind wheel 7, install AC motor 10 in assembly concave station 8, AC motor's output shaft 11 is connected with shaft hole 9, set up fixed block 16 at AC motor 10's tail end simultaneously, output shaft 11's afterbody is connected on fixed block 16, set up end plate 13 on lower panel 3, fixed block 16 is fixed mutually through the motor fixed orifices 15 on screw and end plate 13, like this at the during operation, AC motor 10 follows wind wheel 7 rotation. Compared with the prior art, firstly, the alternating current motor is arranged in the assembling concave table of the wind wheel, which is equivalent to embedding the alternating current motor in the wind wheel, so that the height occupied by the motor can be reduced, the volume of the whole fan can be reduced, the volume of the whole fresh air exchanger can be further reduced, the plate consumption of the shell is reduced, and the cost is saved; 2. because the end plate shields the through holes, the wind wheel is blocked from entering the wind from the lower panel, the unidirectional wind entering of the wind wheel is realized, the wind entering quantity is reduced, the noise is low, and the air conditioner is suitable for a small wind quantity fresh air exchanger. The reinforcing ribs 18 are uniformly distributed on the peripheral wall and the bottom surface of the assembly concave table 8, in actual production, the wind wheel is formed by integral injection molding of plastic materials, and the uniformly distributed reinforcing ribs are arranged on the peripheral wall and the bottom surface of the assembly concave table, so that the strength of the assembly concave table can be effectively improved, and the service life of the assembly concave table is prolonged. The shaft hole 9 is internally provided with a metal insert 19, the metal insert 19 is matched with the output shaft 11, the metal insert is a washer made of steel, and the washer is matched with the output shaft, so that the connection is more reliable.

Claims (3)

1. Embedded one-way air inlet fan of new trend switch, its characterized in that: including fan support (01) that top panel (1), wind channel shell (2) and bottom panel (3) constitute, set up inlet opening (5) on top panel (1), set up air outlet (6) on wind channel shell (2), set up wind wheel (7) in wind channel shell (2), the downside of wind wheel (7) sets up concave assembly concave station (8), and the center department of assembly concave station sets up shaft hole (9), sets up alternating current motor (10) in the assembly concave station, and output shaft (11) connecting shaft hole (9) of alternating current motor (10), set up thru hole (12) and end plate (13) on bottom panel (3), end plate (13) cover thru hole (12), set up motor fixed hole (15) on end plate (13), the tail end of alternating current motor (10) is equipped with fixed block (16), and fixed block (16) stretch through thru hole (12) and motor fixed hole (15) cooperate to be fixed by screw (17).

2. The embedded unidirectional air intake fan of the fresh air exchanger as claimed in claim 1, wherein the peripheral wall and the bottom surface of the assembly concave table (8) are provided with uniformly distributed reinforcing ribs (18).

3. The embedded unidirectional air intake fan of the fresh air exchanger as claimed in claim 1, wherein a metal insert (19) is arranged in the shaft hole (9), and the metal insert (19) is matched with the output shaft (11).

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