CN219865587U

CN219865587U - Impeller and warmer

Info

Publication number: CN219865587U
Application number: CN202223582128.2U
Authority: CN
Inventors: 姚晟; 王耀海; 兰金柱; 王耀伟
Original assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Current assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-10-20
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses an impeller, which comprises a hub disc, a front ring, a rear ring, a plurality of outer blades and a plurality of inner blades, wherein the front ring and the rear ring are arranged in parallel at intervals; the hub disc is provided with a motor hole, the outer diameter of the hub disc is smaller than the inner diameter of the rear ring, and the hub disc is positioned between the plane of the front ring and the plane of the rear ring; a plurality of first ends of the inner blades are connected with the hub disk, and a plurality of second ends of the inner blades are connected with the rear ring; the first ends to the second ends of the inner blades are in a vortex shape. The utility model also provides a warmer.

Description

Impeller and warmer

Technical Field

The utility model relates to the technical field of bathroom heaters, in particular to an impeller and a heater.

Background

Along with the improvement of the living standard of people, the demands on bathroom heaters, warmers and ventilation equipment are also increasing, the electric appliances use centrifugal fans to provide power, the noise of the centrifugal fans is an important index for measuring the quality, and the adoption of the efficient low-noise impeller is beneficial to remarkably improving the living quality of people.

At present, a traditional centrifugal fan comprises a motor and an impeller, wherein the impeller is only provided with one layer of outer blades, namely a front ring and a rear ring form a blade frame, the outer blades are uniformly distributed along the blade frame, during operation, the outer blades rotate and throw out air, so that the middle part forms negative air pressure, the air is sucked into the impeller along the axial direction, and the larger the rotating speed of the impeller is, the larger the noise is.

Disclosure of Invention

The utility model aims to provide an impeller capable of reducing noise.

Another object of the present utility model is to provide a warmer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an impeller comprises a hub disc, a front ring, a rear ring, a plurality of outer blades and a plurality of inner blades, wherein the front ring and the rear ring are arranged in parallel at intervals, and the outer blades are connected between the front ring and the rear ring and are arranged at intervals; the hub disc is provided with a motor hole, the outer diameter of the hub disc is smaller than the inner diameter of the rear ring, and the hub disc is positioned between the plane of the front ring and the plane of the rear ring; a plurality of first ends of the inner blades are connected with the hub disk, and a plurality of second ends of the inner blades are connected with the rear ring; the first ends to the second ends of the inner blades are in a vortex shape.

Wherein the width of the first end of the inner blade is greater than the width of the second end.

Wherein, the inner blade is twisted between the first end and the second end.

Wherein, outer blade is arc.

Wherein the impeller is injection molded from plastic.

Wherein, the motor hole extends from the hub disk to the direction of fore-race.

The warmer comprises a box body, a motor and the impeller, wherein the box body is provided with an air duct, the impeller is arranged in the air duct, and the motor is arranged in the box body and connected with the motor hole and used for driving the impeller to rotate.

Compared with the prior art, the utility model has the following advantages:

the inner blade of the impeller has a flow guiding function, so that air is better thrown out by the outer blade, and the impeller has the advantage of reducing noise. The hub disk is connected with the rear ring only by the inner blades, so that the weight of the impeller can be reduced.

Drawings

Fig. 1 is a front view of a preferred embodiment of an impeller of the present utility model.

Fig. 2 is a side view of a preferred embodiment of an impeller of the present utility model.

Fig. 3 is a cross-sectional view of a preferred embodiment of an impeller of the present utility model.

In the figure, 100: a hub disc; 110: a motor hole; 200: a front ring; 300: a rear ring; 400: an outer blade; 500: an inner blade; 501: a first end; 502: a second end.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 3, a preferred embodiment of an impeller is disclosed. The impeller of this embodiment adopts plastic injection molding, has advantage with low costs. The impeller includes a hub disc 100, a front ring 200, a rear ring 300, a plurality of outer blades 400, and a plurality of inner blades 500. The front ring 200 and the rear ring 300 are both annular, the front ring 200 and the rear ring 300 are arranged in parallel at intervals, a plurality of outer blades 400 are respectively connected between the front ring 200 and the rear ring 300 and are arranged at intervals, and the plurality of outer blades 400 are uniformly arranged at intervals along the annular front ring 200. The hub plate 100 is provided with a motor hole 110, and the motor hole 110 is used for being connected with a motor, and the motor drives the impeller to rotate. The hub disc 100 has an outer diameter smaller than an inner diameter of the rear ring 300, and the hub disc 100 is located between a plane of the front ring 200 and a plane of the rear ring 300, and the plane of the hub disc 100 and the plane of the rear ring 300 are not located at the same plane. The first ends 501 of the plurality of inner blades 500 are connected to the hub plate 100 and the second ends 502 of the plurality of inner blades 500 are connected to the rear ring 300. The inner blades 500 have a vortex shape from the first end 501 to the second end 502, i.e., a vortex scattering shape from the first end 501 to the second end 502.

The heater using the impeller of the present utility model has the advantages of having the inner vane 500 with the guiding function, making the air better thrown out by the outer vane 400, and reducing the noise. Since the hub plate 100 and the rear ring 300 are connected only by the inner blades, the weight of the impeller can be reduced. In addition, the inner blade 500 can radiate heat to the motor when rotating.

As shown in FIG. 1, the second end 502 of the inner vane 500 is attached to the inner side wall of the rear ring 300 and the outer vane is attached to the inner side surface of the front ring 200.

As shown in fig. 3, the motor hole 110 is formed to extend from the hub plate 100 in the direction of the front ring 200. That is, a motor hole 110 is formed in a section of the hub plate 100 adjacent to the front ring 200, the inner blades 500 enclose a space for installing the motor, and the inner blades 500 rotate to radiate heat from the motor.

The inner blades 500 have a greater width at the first end than at the second end 502, providing better air guiding and enabling air located at the center of the hub plate 100 to disrupt and guide the outer blades 400 located outside the hub plate 100.

The inner vane 500 has a twisted shape between the first end 501 and the second end 502, i.e., the inner vane 500 has a spirally twisted structure.

The outer blade 400 is arc-shaped, and the arc-shaped outer blade 400 can better throw out air, and can form larger centrifugal wind force under the same rotating speed.

The utility model also provides a warmer, which comprises a box body, a motor and an impeller, wherein the impeller is the impeller of the embodiment. The box is equipped with the wind channel, and the impeller is located in the wind channel, and the motor is installed in the box and is connected with the motor hole for drive impeller rotation.

It should be noted that the embodiments of the present utility model are preferred and not limited in any way, and any person skilled in the art may make use of the above-disclosed technical content to change or modify the same into equivalent effective embodiments without departing from the technical scope of the present utility model, and any modification or equivalent change and modification of the above-described embodiments according to the technical substance of the present utility model still falls within the scope of the technical scope of the present utility model.

Claims

1. The impeller is characterized by comprising a hub disc, a front ring, a rear ring, a plurality of outer blades and a plurality of inner blades, wherein the front ring and the rear ring are arranged in parallel at intervals, and the outer blades are connected between the front ring and the rear ring and are arranged at intervals; the hub disc is provided with a motor hole, the outer diameter of the hub disc is smaller than the inner diameter of the rear ring, and the hub disc is positioned between the plane of the front ring and the plane of the rear ring; a plurality of first ends of the inner blades are connected with the hub disk, and a plurality of second ends of the inner blades are connected with the rear ring; the first ends to the second ends of the inner blades are in a vortex shape.

2. The impeller of claim 1, wherein the width of the first end of the inner vane is greater than the width of the second end.

3. The impeller of claim 2, wherein the inner vane is twisted between the first end and the second end.

4. The impeller of claim 1, wherein the outer blades are arcuate.

5. The impeller of claim 1, wherein the impeller is injection molded from plastic.

6. The impeller of claim 1, wherein the motor hole is formed extending from the hub disk in the direction of the front ring.

7. A warmer, characterized by comprising a box body, a motor and the impeller according to any one of claims 1 to 6, wherein the box body is provided with an air duct, the impeller is arranged in the air duct, and the motor is mounted on the box body and connected with the motor hole for driving the impeller to rotate.