CN216922568U

CN216922568U - Air filtering fan based on air conditioner indoor unit

Info

Publication number: CN216922568U
Application number: CN202220793706.8U
Authority: CN
Inventors: 孙新年
Original assignee: Henan Chelan Environmental Protection Technology Co ltd
Current assignee: Henan Chelan Environmental Protection Technology Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-08
Anticipated expiration: 2032-04-07

Abstract

The utility model provides an air filtering fan based on an indoor unit of an air conditioner, which comprises: the casing has air intake and air outlet on, and the inside air intake department that is located of casing is provided with the filter for filter gets into the inside air of casing. The motor support is fixedly connected with the interior of the shell through the flexible piece, and the flexible piece is used for reducing the transmission efficiency of vibration. The motor support is rotatably connected with a rotating shaft through a bearing, a rotor is fixedly arranged on the rotating shaft, a stator is fixedly arranged on the motor support, and the rotor acts on the stator and is used for driving the rotating shaft to rotate. The upper end of the rotating shaft is provided with an impeller which is used for rotating and supplying air under the driving of the rotating shaft. The built-in filter of this fan can filter the inside air that gets into the air conditioner in real time. The vibration reduction structure can greatly reduce the transmission efficiency of vibration and further reduce the working noise of the fan. The design of the floating impeller can lead the impeller to be adjusted in a self-adaptive way when rotating, and reduce the vibration caused by the rotation of the impeller.

Description

Air filtering fan based on indoor unit of air conditioner

Technical Field

The utility model relates to the technical field of air conditioner filtration, in particular to an air filtration fan based on an air conditioner indoor unit.

Background

With the development of economic society, people pay more and more attention to their quality of life and living environment, and thus air conditioners become necessary household appliances for every family. The indoor air contains many substances harmful to human body, such as: pollen, dust, etc. Especially, as the industry develops, the content of PM2.5 in the air is higher, which also results in poor indoor air quality.

However, many existing fans of air conditioning indoor units do not have an air filtering function, and the running noise is large, which affects the living environment in daily use. In addition, some existing indoor units have a filtering device, but the filtering device and the fan are not sealed, so that air leakage often occurs, and the air filtering effect is greatly reduced.

Therefore, there is a need in the art for a blower for an indoor unit of an air conditioner that has a good filtering effect, low noise, and good sealing performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides an air filtering fan based on an air conditioner indoor unit so as to solve the problems that the air conditioner indoor unit in the prior art does not have the air filtering fan with air filtering, low noise and good sealing performance.

The utility model provides an air filtering fan based on an indoor unit of an air conditioner, which comprises: the air filter comprises a shell, wherein the upper part of the shell is provided with an air inlet, the lower part of the shell is provided with an air outlet, and a filter is arranged in the shell and positioned at the air inlet and used for filtering air entering the shell; the interior of the shell is fixedly connected with a motor bracket through a flexible piece, and the flexible piece is used for reducing the transmission efficiency of vibration; the motor support is rotatably connected with a rotating shaft through a bearing, a rotor is fixedly arranged on the rotating shaft, a stator is fixedly arranged on the motor support, and the rotor and the stator act to drive the rotating shaft to rotate; and the upper end of the rotating shaft is provided with an impeller which is used for rotating and supplying air under the driving of the rotating shaft.

Further, the rotor is fixed with the rotating shaft through a rotor bracket.

Further, the impeller includes: the wheel hub is sleeved at the upper end of the rotating shaft and synchronously rotates along with the rotating shaft; the blade root of the blade is uniformly fixed on the hub, and the wheel rim is fixedly arranged at the blade tip of the blade.

Furthermore, a spring is sleeved on the rotating shaft and located between the hub and the rotor support, and the spring is used for providing elastic supporting force for the hub to move up and down relative to the rotating shaft.

In the implementation mode of the utility model, the section of the upper end of the rotating shaft is non-circular, a synchronous shaft sleeve is arranged between the hub and the rotating shaft, and the outer ring of the section of the synchronous shaft sleeve is also non-circular and is used for driving the hub to synchronously rotate by the rotating shaft; the synchronous shaft sleeve and the hub are limited in position through a clamp spring arranged at the upper end of the rotating shaft.

In an embodiment of the utility model, the wheel rim has a sealing ring along the upper edge thereof, and the inner wall of the housing has an extension portion which extends into the sealing ring to form a dynamic sealing structure with the sealing ring for preventing the air flow from flowing back.

In an embodiment of the present invention, the filter is disposed between the air inlet and the impeller.

Further, the air inlet is arranged at the upper part of the side wall of the shell or at the top of the shell; the air outlet is arranged at the lower part of the side wall of the shell.

Furthermore, the casing includes upper housing and lower casing, the air intake sets up on the upper housing, the air outlet sets up on the casing down.

In the embodiment of the utility model, the elastic breast nails are arranged on the upper surface, the lower surface and the side surface of the flexible part, so that the contact area is reduced, and the transmission efficiency of vibration is reduced.

According to the embodiment, the air filtering fan based on the air conditioner indoor unit provided by the utility model has the following advantages: the built-in filter of this fan can filter the inside air that gets into the air conditioner in real time. The filter and the impeller are arranged in the same shell, so that the air led out by the fan is necessarily filtered by the filter. This fan has greatly reduced the transmission efficiency of vibration through setting up the damping structure, further reduction fan noise at work. The design of the floating impeller can lead the rotation of the impeller to be adjusted in a self-adaptive way, and reduce the vibration caused by the rotation of the impeller. In addition, the dynamic sealing structure between the impeller and the shell of the fan reduces gas backflow, so that the air supply effect of the fan is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a structural diagram of a first embodiment of an air filter fan based on an indoor unit of an air conditioner according to the present invention.

Fig. 2 is an overall outline view of an embodiment of an air filter fan based on an indoor unit of an air conditioner according to the present invention.

Fig. 3 is a structural diagram of a second embodiment of an air filter fan based on an indoor unit of an air conditioner according to the present invention.

Fig. 4 is a structural diagram of a third embodiment of an air filter fan based on an indoor unit of an air conditioner according to the present invention.

Fig. 5 is a structural diagram of a fourth embodiment of an air filter fan based on an indoor unit of an air conditioner according to the present invention.

Fig. 6 is a fifth structural view of an air filter fan based on an indoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 7 is a structural diagram of a sixth embodiment of an air filter fan based on an indoor unit of an air conditioner.

Fig. 8 is a structural diagram of a seventh embodiment of an air filter fan based on an indoor unit of an air conditioner according to the present invention.

Fig. 9 is a structural diagram of an eighth embodiment of an air filter fan based on an indoor unit of an air conditioner according to the present invention.

Description of reference numerals:

1-shell, 2-filter, 3-flexible part, 4-motor support, 5-bearing, 6-rotating shaft, 7-rotor, 8-stator, 9-impeller, 10-rotor support, 11-hub, 12-blade, 13-rim, 14-spring, 15-synchronous shaft sleeve, 16-snap spring, 17-sealing ring, 18-upper shell, 19-lower shell, 20-elastic breast nail, 21-air inlet, 22-air outlet and 23-fixed column.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the utility model, the detailed description should not be construed as limiting the utility model but as a more detailed description of certain aspects, features and embodiments of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

The utility model provides an air filtering fan based on an air conditioner indoor unit, and as shown in figure 1, the structure of one embodiment of the fan is shown. As shown in the figure, this fan includes: the housing 1, as shown in fig. 2, has an air inlet 21 at the upper part of the housing 1 and an air outlet 22 at the lower part, and a filter 2 is disposed inside the housing 1 at the air inlet 21 for filtering air entering the housing 1. The motor support 4 is fixedly connected to the inside of the housing 1 through a flexible member 3, and the flexible member 3 is used for reducing the transmission efficiency of vibration. The motor support 4 is rotatably connected with a rotating shaft 6 through a bearing 5, the rotating shaft 6 is fixedly provided with a rotor 7, the motor support 4 is fixedly provided with a stator 8, and the rotor 7 and the stator 8 act to drive the rotating shaft 6 to rotate. Further, the rotor 7 is fixed to the rotary shaft 6 by a rotor holder 10. Thereby, the stator 8 and the rotor 7 are acted, and the rotating shaft 6 is driven to rotate by the rotor bracket 10.

The upper end of the rotating shaft 6 is provided with an impeller 9, and the impeller 9 is used for rotating and supplying air under the driving of the rotating shaft 6.

In the embodiment shown in fig. 1, the impeller 9 is a back-raked impeller; in the embodiment shown in fig. 5, the impeller 9 is a forward-inclined impeller. The two embodiments differ only in the impeller type.

In an embodiment of the utility model, the impeller 9 comprises: the wheel hub 11, blade 12 and wheel rim 13, wherein, wheel hub 11 cover is established in the upper end of pivot 6, along with pivot 6 synchronous rotation. The blade root of the blade 12 is uniformly fixed on the hub 11, and the blade tip of the blade 12 is fixedly provided with a rim 13.

In the embodiment of the utility model, the rotating shaft 6 is sleeved with the spring 14, and the spring 14 is located between the hub 11 and the rotor support 10 and is used for providing elastic supporting force for the hub 11 to move up and down relative to the rotating shaft 6. The arrangement of the spring 14 can enable the impeller 9 to realize floating rotation during rotation, can move on the rotating shaft 6 according to factors such as rotating speed and the like, can be automatically adjusted, realizes the optimal rotating effect, and reduces vibration caused by rotation of the impeller.

In the embodiment of the present invention, the upper end of the rotating shaft 6 has a non-circular cross-section. In the preferred embodiment, the upper end of the rotating shaft 6 may have a D-shaped cross section. In addition, be provided with synchronous axle sleeve 15 between wheel hub 11 and pivot 6, synchronous axle sleeve 15 cross-section outer lane also is non-circular, and synchronous axle sleeve 15 is used for pivot 6 to drive wheel hub 11 synchronous rotation, and when impeller 9 moved about pivot 6 now, synchronous axle sleeve 15 can avoid wheel hub 11 and pivot 6 direct contact, reduces wearing and tearing, increase of service life. In this embodiment, the inner ring shape of the synchronous shaft sleeve 15 is the same as the cross-sectional shape of the upper end of the rotating shaft 6, and is attached to the outer wall of the upper end of the rotating shaft 6, so that the synchronous shaft sleeve 15 can synchronously rotate along with the rotating shaft 6, and the impeller 9 and the rotating shaft 6 are driven to synchronously rotate.

The synchronizing sleeve 15 and the hub 11 are positionally limited by a snap spring 16 arranged at the upper end of the shaft, so that the impeller 9 is prevented from being disengaged from the shaft 6 during rotation.

In the embodiment of the present invention, as shown in fig. 4 and 9, the rim 13 has a seal ring 17 on its upper edge. In this embodiment, the sealing ring 17 is integrally formed with the rim 13, and has an inverted L-shaped or U-shaped cross section. The inner wall of the shell 1 is provided with an extension part, the extension part extends into the sealing ring 17 and forms a dynamic sealing structure with the sealing ring 17 for preventing gas from flowing back. Specifically, the extension portion extends into the sealing ring 17, so that the number of times of turning when the air flow flows is increased, and further the leakage of the air flow from the clearance of movable fit can be reduced to a certain extent.

In the embodiment of the present invention, the filter 2 is disposed between the intake port 21 and the impeller 9. Air enters the interior of the housing 1 from the air inlet 21, passes through the filter 2 and then to the position of the impeller 9, and is discharged from the air outlet through the impeller 9 under the action of the impeller 9, so that the air is filtered and conveyed.

As shown in fig. 2, the air inlet 21 is disposed at an upper portion of a sidewall of the housing 1 or at a top portion of the housing 1. The air outlet 22 is arranged at the lower part of the side wall of the shell 1.

In the embodiment shown in fig. 2, the air inlet is a right-angle air inlet and is disposed in the upper half of the housing 1. The lower half part of the shell 1 is provided with an air outlet.

In the embodiment shown in fig. 6, the air inlet is disposed on the side wall of the upper half of the housing 1 and is a straight opening, and the air outlet 22 is disposed on the lower portion of the side wall of the housing 1.

In the embodiment shown in fig. 3, the air inlet is arranged at the top of the housing 1, directly corresponding to the filter 2 inside. The air outlet 22 is arranged at the lower part of the side wall of the shell 1. As shown in fig. 7 and 8, the air outlet at the top of the housing 1 may be at the center of the top or at the side of the top of the housing 1.

In addition, in the embodiment of the present invention, the housing 1 includes an upper housing 18 and a lower housing 19, the air inlet 21 is disposed on the upper housing 18, and the air outlet 22 is disposed on the lower housing 19. The shell 1 is arranged into an upper shell and a lower shell, so that the installation and the disassembly are convenient, and the later equipment maintenance is convenient.

In this embodiment, the longitudinal section of the flexible member 3 is i-shaped, and the annular groove in the middle outer wall is used for clamping the motor bracket 4. The through-hole has in the center of flexible piece 3, and the fixed position of shell 1 has fixed column 23, and in fixed column 23 stretched into the through-hole, fixed flexible piece 3 was fixed on fixed column 23 through the screw, and then realized motor support 4 and shell 1's flexonics.

In the embodiment of the utility model, the flexible member 3 is provided with elastic nails 20 on the upper surface, the lower surface and the side surface, so as to reduce the contact area and reduce the transmission efficiency of vibration. In addition, the elastic nails 20 are arranged on the upper surface and the lower surface of the annular groove on the middle outer wall of the flexible part 3, so that the contact area between the flexible part 3 and the motor bracket 4 is reduced, and the transmission efficiency of vibration is reduced.

The foregoing is merely an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principle of the present invention should fall within the protection scope of the present invention.

Claims

1. Air filtration fan based on machine in air conditioning, its characterized in that, this fan includes: the air purifier comprises a shell (1), wherein an air inlet (21) is formed in the upper part of the shell (1), an air outlet (22) is formed in the lower part of the shell (1), and a filter (2) is arranged in the shell (1) and positioned at the air inlet (21) and used for filtering air entering the shell (1);

the motor support (4) is fixedly connected with the interior of the shell (1) through a flexible part (3), and the flexible part (3) is used for reducing the transmission efficiency of vibration;

the motor support (4) is rotatably connected with a rotating shaft (6) through a bearing (5), a rotor (7) is fixedly arranged on the rotating shaft (6), a stator (8) is fixedly arranged on the motor support (4), and the rotor (7) acts with the stator (8) and is used for driving the rotating shaft (6) to rotate;

and an impeller (9) is arranged at the upper end of the rotating shaft (6) and is used for rotating to supply air under the driving of the rotating shaft (6).

2. The air filter fan based on an indoor unit of an air conditioner as claimed in claim 1, wherein the rotor (7) is fixed with the rotary shaft (6) by a rotor bracket (10).

3. The air filter fan based on an indoor unit of an air conditioner according to claim 2, characterized in that the impeller (9) comprises: the wheel hub (11), the blades (12) and the rim (13), wherein the wheel hub (11) is sleeved at the upper end of the rotating shaft (6) and synchronously rotates along with the rotating shaft (6);

the blade root of the blade (12) is uniformly fixed on the hub (11), and the wheel rim (13) is fixedly arranged at the blade tip of the blade (12).

4. The air filter fan based on the indoor unit of the air conditioner is characterized in that a spring (14) is sleeved on the rotating shaft (6), and the spring (14) is located between the hub (11) and the rotor bracket (10) and used for providing elastic supporting force for the up-and-down movement of the hub (11) relative to the rotating shaft (6).

5. The air filtering fan based on the indoor unit of the air conditioner as claimed in claim 3, wherein the cross section of the upper end of the rotating shaft (6) is non-circular, a synchronous shaft sleeve (15) is arranged between the hub (11) and the rotating shaft (6), and the outer ring of the cross section of the synchronous shaft sleeve (15) is also non-circular, so that the rotating shaft (6) drives the hub (11) to rotate synchronously;

the synchronous shaft sleeve (15) and the hub (11) are limited in position through a clamp spring (16) arranged at the upper end of the rotating shaft.

6. The air filter fan based on an indoor unit of an air conditioner is characterized in that the upper edge of the rim (13) is provided with a sealing ring (17), the inner wall of the shell (1) is provided with an extension part, the extension part extends into the sealing ring (17) to form a dynamic sealing structure with the sealing ring (17) for preventing air flow from flowing back.

7. The air filter fan based on an indoor unit of an air conditioner according to claim 1, wherein the filter (2) is disposed between the air inlet (21) and the impeller (9).

8. The air filter fan based on the indoor unit of the air conditioner as claimed in claim 7, wherein the air inlet (21) is disposed at the upper part of the sidewall of the housing (1) or at the top of the housing (1);

the air outlet (22) is arranged at the lower part of the side wall of the shell (1).

9. The air filter fan based on an indoor unit of an air conditioner according to claim 1 or 8, wherein the housing (1) comprises an upper housing (18) and a lower housing (19), the air inlet (21) is provided on the upper housing (18), and the air outlet (22) is provided on the lower housing (19).

10. The air filtering fan based on the indoor unit of the air conditioner as claimed in claim 1, wherein the flexible member (3) is provided with elastic nails (20) on the upper and lower surfaces and the side surface thereof for reducing the contact area and the transmission efficiency of vibration.