CN216895066U

CN216895066U - Air guide wheel and air guide assembly

Info

Publication number: CN216895066U
Application number: CN202220541116.6U
Authority: CN
Inventors: 罗建元
Original assignee: Ningbo Dahua Electric Appliance Co ltd
Current assignee: Ningbo Dahua Electric Appliance Co ltd
Priority date: 2022-03-12
Filing date: 2022-03-12
Publication date: 2022-07-05
Anticipated expiration: 2032-03-12

Abstract

The application relates to an air guide wheel and an air guide assembly, which belong to the technical field of dust collectors, wherein the air guide wheel comprises an air guide shell, the air guide shell comprises an inner shell, air guide blades arranged on the peripheral wall of the inner shell and an outer shell arranged on the peripheral side of the inner shell; a channel for air flow to pass through is formed between the inner shell and the outer shell, the air guide blade is positioned between the inner shell and the outer shell, one side of the air guide blade is abutted against the inner shell, and the other side of the air guide blade is abutted against the outer shell and used for guiding and dispersing air flow. The present application has the effect of reducing the generation of noise when the impeller is operating.

Description

Air guide wheel and air guide assembly

Technical Field

The application relates to the field of dust collectors, in particular to an air guide wheel and an air guide assembly.

Background

The dust collection motor generally comprises a motor part and a fan part, wherein the fan part comprises a movable impeller and a fixed impeller, the movable impeller mainly generates wind, when the movable impeller rotates at a high rotation speed of 20000 plus 30000 rpm, negative pressure is generated at an air inlet to form suction force, and a fan cover is usually arranged on the outer side of the movable impeller to wrap the movable impeller so as to gather air flow generated by the movable impeller; the fixed impeller, also called as an air guide wheel, mainly plays a role in enabling the air quantity generated by the movable impeller to be more smoothly released.

Wherein, one side that the inducer deviates from the air intake is the enclosed state, consequently can set up a plurality of air outlets on the lateral wall of fan housing, and the air current that gets into the fan housing inside from the air intake releases through the air outlet, and then when dust absorption motor moved for air intake department has suction always.

In the related art, when the airflow is released from the air outlet, the airflow collides with the fan housing, so that the fan housing is easily vibrated to generate noise.

SUMMERY OF THE UTILITY MODEL

The application provides an air guide wheel, an air guide assembly, a dry-wet dual-purpose motor and a dust collector in order to reduce the noise generated when a movable impeller runs.

The application provides a pair of inducer, wind-guiding subassembly, wet or dry dual-purpose motor and dust catcher adopts following technical scheme:

the air guide wheel comprises an air guide shell, wherein the air guide shell comprises an inner shell, air guide blades arranged on the outer peripheral wall of the inner shell and an outer shell arranged on the outer peripheral side of the inner shell;

a channel for air flow to pass through is formed between the inner shell and the outer shell, the air guide blade is positioned between the inner shell and the outer shell, one side of the air guide blade is abutted against the inner shell, and the other side of the air guide blade is abutted against the outer shell and used for guiding and dispersing air flow.

Through adopting above-mentioned technical scheme, the inner shell forms the passageway that an air feed stream passes through with the shell, and then the air current can not release through the fan housing, but goes out through the inducer release, and simultaneously, the guide vane who is located between inner shell and shell can make the air current dispersion and even release, has reduced the probability that the air current was all released from a place, and then when the movable impeller operation, has reduced the production of noise.

Optionally, the air guide vane is a straight plate or an arc-shaped plate, and the air guide vane is obliquely arranged on the outer wall of the inner shell along the central axis direction of the inner shell.

Through adopting above-mentioned technical scheme, wind-guiding blade sets up along the central axis direction slope of inner shell, and then makes to guide the air current, improves the air current in the length of time of the process of passageway, and then makes the air current have certain consumption, has reduced the impact force of air current to wind-guiding blade, has reduced the production of noise.

Optionally, the air guide vane is provided with a first inclined surface and/or a second inclined surface which enable the air flow to be attached to the outer wall of the inner shell in the channel.

Through adopting above-mentioned technical scheme, through first inclined plane and second inclined plane, can be with the outer wall guide of the air current flow direction inner shell through the passageway, and then make the air current can laminate in the outer wall release of inner shell, the dispersion of the air current that reduces for produce certain consumption after air current and the friction of inner shell outer wall, further noise abatement's production.

Optionally, a connecting column connected with the dry-wet dual-purpose motor is arranged inside the inner shell.

Through adopting above-mentioned technical scheme, because the inner shell is a casing, consequently the motor is connected the back through spliced pole and inner shell and is more stable firm.

Optionally, a first limiting block and a second limiting block for limiting the dry-wet dual-purpose motor are arranged on the connecting column.

Through adopting above-mentioned technical scheme, the motor is when being connected with the spliced pole, through the setting of first stopper and second stopper for wet and dry dual-purpose motor preliminary prepositioning is convenient for follow-up wet and dry dual-purpose motor and inner shell fixed connection.

Optionally, a mounting groove is formed in one side of the inner shell, and a first reinforcing rib is arranged at the bottom of the mounting groove.

Through adopting above-mentioned technical scheme, the intensity of inner shell bottom has been strengthened in setting up of first strengthening rib, and then has improved the life of inducer.

Optionally, a second reinforcing rib for reinforcing the connection strength between the first reinforcing rib and the wall of the mounting groove is arranged in the mounting groove.

Through adopting above-mentioned technical scheme, the second strengthening rib is connected with the cell wall of mounting groove through first strengthening rib again, and then makes the bottom of inner shell more firm, has further improved the life of inducer.

In a second aspect, the present application provides an air guide assembly, which adopts the following technical solutions:

an air guide assembly comprises a fan cover and the air guide wheel, wherein an air inlet used for gathering air flow is formed in the fan cover, and the fan cover is installed on the shell.

Through adopting above-mentioned technical scheme, the fan housing is installed on the shell, and after the movable impeller high-speed rotation, air intake department produces the negative pressure, and the setting up of fan housing makes under the same rotational speed of movable impeller, can form great negative pressure, and then makes suction great.

Optionally, the air inlet is bent towards the inside of the fan cover to form a folded edge.

By adopting the technical scheme, the folded edge is bent towards the inside of the fan cover, so that airflow entering the inside of the fan cover is not easy to flow towards the air inlet and generate turbulent flow with the airflow entering the inside of the fan cover.

Optionally, the fan housing is a closed loop, the inner peripheral wall of the fan housing abuts against the outer peripheral wall of the housing, and after the air flow enters from the air inlet, the air flow is released from one side of the air guide wheel departing from the air inlet under the guidance of the air guide blades.

By adopting the technical scheme, the fan cover is a closed loop, so that airflow entering the fan cover from the air inlet is gathered, and the suction force at the air inlet is further increased.

In summary, the present application includes at least one of the following beneficial technical effects:

the air flow can be released through a channel formed by the inner shell and the outer shell, and can be uniformly and dispersedly released under the guidance of the air guide blades, so that the air flow can not be released from the fan cover, the collision between the air flow and the fan cover is reduced, and the generation of noise is further reduced;

the air guide blades are obliquely arranged along the central axis direction of the inner shell, so that the time for the air flow to pass through the channel is prolonged, further, the air flow generates certain consumption, the impact force of the air flow on the blades is reduced, and the noise is reduced;

the setting of first inclined plane and second inclined plane guides the outer wall of the air current flow direction inner shell in the passageway for the air current through in the passageway can laminate in the outer wall release of inner shell, and then makes the air current produce the consumption, further noise abatement's production.

Drawings

Fig. 1 is an overall structural view of an air guide wheel in an embodiment of the present application (in which arrows are directed in the moving direction of an air flow).

Fig. 2 is a front view of an inducer in an embodiment of the application.

Fig. 3 is an exploded view of the air guide assembly in the embodiment of the present application.

Description of reference numerals: 1. a wind guide shell; 11. an inner shell; 111. mounting grooves; 112. a first reinforcing rib; 113. a second reinforcing rib; 12. wind guide blades; 121. a first inclined surface; 122. a second inclined surface; 13. a housing; 14. a channel; 15. connecting columns; 151. a first stopper; 152. a second limiting block; 153. rotating the limiting groove; 154. a threaded hole; 2. a fan housing; 21. an air inlet; 22. and (7) folding edges.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses inducer. Referring to fig. 1, the inducer includes an inducer housing 1, where the inducer housing 1 includes an inner housing 11, air guide vanes 12 disposed on an outer peripheral wall of the inner housing 11, and an outer housing 13 disposed on an outer peripheral side of the inner housing 11, where a channel 14 through which an air flow passes is formed between the inner housing 11 and the outer housing 13, and the air guide vanes 12 are located between the outer housing 13 and the inner housing 11, and disperse the air flow passing through the channel 14, so that the air flow is uniformly released from the channel 14, an impact force of the air flow on the inducer is reduced, and noise is reduced.

Referring to fig. 1 and 2, the wind-guiding blade 12 may be a straight plate or an arc plate, and in this embodiment, the wind-guiding blade 12 is preferably an arc plate. And wind-guiding blade 12 sets up along the central axis direction slope of inner shell 11, simultaneously, cuts apart into curved passageway 14 through wind-guiding blade 12, improves the length of time that the air current passes through passageway 14 on the one hand, and on the other hand, when the gas in the passageway 14 is released, can have a cushioning effect, and then has reduced the impact force of air current to the inducer, the production of noise is reduced.

Referring to fig. 1 and 2, further, a spiral angle is formed between the wind-guiding blade 12 and the outer wall of the inner housing 11 (an inclined angle is formed between the wind-guiding blade 12 and the outer wall of the inner housing 11), and two arc surfaces of the wind-guiding blade 12 guiding the airflow through the channel 14 are respectively a first inclined surface 121 and a second inclined surface 122. The first inclined surface 121 is inclined in a direction close to the outer case 13, and guides the airflow passing through the passage 14 in a direction close to the outer peripheral wall of the inner case 11, so that the airflow is adhered to the outer peripheral wall of the inner case 11 in the passage 14, and further, the impact force of the airflow is consumed to a certain extent. Similarly, the second inclined surface 122 is also inclined in a direction approaching the outer casing 13, and the inclination direction of the second inclined surface 122 is the same as the inclination direction of the first inclined surface 121, so that the airflow passing through the channel 14 is guided in a direction approaching the outer peripheral wall of the inner casing 11, and the airflow is attached to the outer peripheral wall of the inner casing 11 in the channel 14, thereby consuming the impact force of the airflow to a certain extent.

Referring to fig. 2, the wind-guiding blades 12 may be integrally connected with the inner casing 11, or may be fixedly connected with the inner casing 11 by gluing, and in this embodiment, the wind-guiding blades 12 are preferably integrally formed with the inner casing 11, so that the connection between the inner casing 11 and the wind-guiding blades 12 is more secure. The casing 13 may be integrally connected to the air guide blades 12, or may be fixedly connected to the air guide blades 12 by gluing, but in this embodiment, it is preferable that the casing 13 and the air guide blades 12 are integrally formed, and further, the connection between the casing 13 and the air guide blades 12 is more secure.

In this embodiment, a plurality of wind-guiding blades 12 are preferably disposed, and the wind-guiding blades 12 are arranged on the outer circumferential wall of the inner casing 11 at intervals, so that the airflow generated by the movable impeller is more smoothly released.

Referring to fig. 1 and 2, a mounting groove 111 is formed on one side of the inner housing 11, a plurality of first reinforcing ribs 112 for reinforcing the strength of the inner housing 11 are integrally formed at the bottom of the mounting groove 111 and the inner housing 11, and a plurality of second reinforcing ribs 113 for reinforcing the connection strength between the bottom of the mounting groove 111 and the wall of the mounting groove 111 are integrally formed in the mounting groove 111.

The connecting column 15 for connection is integrally arranged at the bottom of the mounting groove 111, and the connecting column 15 extends in the direction away from the bottom of the mounting groove 111. One side of the connecting column 15 deviating from the bottom of the mounting groove 111 is provided with a first limiting block 151 and a second limiting block 152 for limiting, wherein one side of the connecting column 15 deviating from the bottom of the mounting groove 111 is further provided with a rotation limiting groove 153 for limiting the circumferential rotation of the motor, and a threaded hole 154 for threaded connection.

The implementation principle of an inducer of the embodiment of the application is as follows: the air current can release from the one side that the inducer deviates from air intake 21 through passageway 14, and the setting of wind-guiding blade 12 simultaneously can make the air current in 14 disperse for the air current can release more smoothly, has reduced the impact force of air current to the inducer. Meanwhile, the wind guide blades 12 are obliquely arranged, and under the action of the first inclined surface 121 and the second inclined surface 122, the airflow moves along the inner shell 11, and the airflow rubs against the inner shell 11 to reduce wind energy, so that noise is reduced.

Referring to fig. 3, an air guide assembly is further disclosed in the embodiment of the present application, and the air guide wheel in the above embodiment is applied. The air guide assembly comprises a fan cover 2 and the air guide wheel in the embodiment, an air inlet 21 for enabling air flow to enter the fan cover 2 is formed in one side, away from the air guide wheel, of the fan cover 2, meanwhile, the air inlet 21 extends and bends towards the direction close to the air guide wheel to form a folding edge 22, and therefore the air flow inside the fan cover 2 is not prone to being released from the air inlet 21 through the folding edge 22. The fan housing 2 is fixedly mounted on the outer peripheral wall of the housing 13 through a sealant, and a cavity for accommodating air flow is formed between the fan housing 2 and the air guide wheel. It should be noted that the air flow enters the cavity from the air inlet 21, passes through the channel 14, and is discharged from the side of the air guiding wheel away from the air outlet, so that the air hood 2 is not prone to generate noise due to the impact of the air flow.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An inducer which is characterized in that: the wind guide device comprises a wind guide shell (1), wherein the wind guide shell (1) comprises an inner shell (11), wind guide blades (12) arranged on the peripheral wall of the inner shell (11) and an outer shell (13) arranged on the peripheral side of the inner shell (11);

a channel (14) for air flow to pass through is formed between the inner shell (11) and the outer shell (13), the wind guide blade (12) is positioned between the inner shell (11) and the outer shell (13), one side of the wind guide blade (12) is abutted to the inner shell (11), and the other side of the wind guide blade is abutted to the outer shell (13) and used for guiding and dispersing air flow.

2. The wind wheel of claim 1, wherein: the air guide blades (12) are straight plates or arc-shaped plates, and the air guide blades (12) are obliquely arranged on the outer wall of the inner shell (11) along the direction of the central axis of the inner shell (11).

3. The wind wheel of claim 2, wherein: the air guide blade (12) is provided with a first inclined surface (121) and/or a second inclined surface (122) which enable air flow to be attached to the outer wall of the inner shell (11) in the channel (14).

4. The wind-guiding wheel of claim 1, wherein: the inner shell (11) is internally provided with a connecting column (15) connected with the motor.

5. The wind-guiding wheel of claim 4, wherein: the connecting column (15) is provided with a first limiting block (151) and a second limiting block (152) which limit the motor.

6. The wind-guiding wheel of claim 1, wherein: an installation groove (111) is formed in one side of the inner shell (11), and a first reinforcing rib (112) is arranged at the bottom of the installation groove (111).

7. The wind-guiding wheel of claim 6, wherein: and a second reinforcing rib (113) for reinforcing the connection strength of the first reinforcing rib (112) and the groove wall of the mounting groove (111) is arranged in the mounting groove (111).

8. An air guide assembly, characterized in that: the wind wheel comprises a wind shield (2) and the wind wheel as claimed in any one of claims 1 to 7, wherein the wind shield (2) is provided with an air inlet (21) for gathering air flow, and the wind shield (2) is mounted on the housing (13).

9. A wind guide assembly as defined in claim 8, wherein: and a folding edge (22) is bent towards the inside of the fan cover (2) at the air inlet (21).

10. The air guide assembly according to claim 8, wherein: the air hood (2) is a closed loop, the inner peripheral wall of the air hood (2) is tightly abutted to the outer peripheral wall of the shell (13), and airflow is released from one side, deviating from the air inlet (21), of the air guide wheel under the guiding of the air guide blades (12) after entering from the air inlet (21).