CN215486790U

CN215486790U - Low-noise impeller assembly

Info

Publication number: CN215486790U
Application number: CN202022941246.2U
Authority: CN
Inventors: 王凤云
Original assignee: Tianjin Tongwei Machinery Fittings Co ltd
Current assignee: Tianjin Tongwei Machinery Fittings Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2022-01-11
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a low-noise impeller assembly which comprises an impeller pump body and impeller blades, wherein a shaft sleeve is welded at the top of the impeller pump body, the impeller blades are welded on the outer side of the shaft sleeve in an inclined mode, guide blocks are welded among the impeller blades, a structural column is welded on the outer side of the top of the impeller pump body, a conical block is welded on the inner side of the structural column, an arc-shaped groove is formed in the outer side of the structural column, and an air inlet is formed between the structural columns. The utility model has simple structure, can effectively drive gas or liquid to flow when in operation, improves the working efficiency, has smaller resistance and lower noise, and is suitable for wide popularization and use.

Description

Low-noise impeller assembly

Technical Field

The utility model relates to the technical field of impeller assemblies, in particular to a low-noise impeller assembly.

Background

The impeller not only refers to a wheel disc provided with movable blades, but also refers to a general name of the wheel disc and the rotating blades arranged on the wheel disc, the impeller can be classified according to the shape and the opening and closing conditions, the motor is adopted in equipment such as a water pump, an exhaust fan and the like to drive the impeller to rotate, and liquid or gas is pumped through the pump body.

But the prior impeller component has the defects that: 1. the noise reduction effect is poor, and noise is easy to generate during high-speed rotation; 2. the centrifugal effect is poor, and gas or liquid can not be effectively driven to flow when rotating at high speed, so that a low-noise impeller assembly is provided.

Disclosure of Invention

The utility model mainly aims to provide a low-noise impeller assembly which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a low noise impeller subassembly, includes the impeller pump body and impeller flabellum, the welding of impeller pump body top has the axle sleeve, the impeller flabellum has been welded in the slope of the axle sleeve outside, the welding has the guide block between the impeller flabellum, the welding has the structure post in the outside of impeller pump body top, the inboard welding of structure post has the toper piece, the arc recess has been seted up in the structure post outside, the air intake has been seted up between the structure post.

Further, the shaft sleeve penetrates through the impeller pump body, and a bolt hole is formed in one end inside the shaft sleeve.

Furthermore, the number of the impeller blades and the guide blocks is multiple, and the guide blocks are of conical structures.

Furthermore, one side of the arc-shaped groove is transversely provided with a transverse air guide groove.

Further, the number of the structural columns is multiple.

Compared with the prior art, the utility model has the following beneficial effects:

1. through setting up impeller flabellum and guide block, personnel cover the impeller pump body on motor output shaft through the axle sleeve, it is downthehole to insert the bolt, thereby fix the axle sleeve on motor output shaft, motor work drives the impeller pump body and impeller flabellum through the axle sleeve and rotates, a plurality of impeller flabellums slope welding is in the axle sleeve outside, can effectively drive gas or liquid flow during high-speed rotation, and simultaneously, because of its inclination, can reduce the windage, thereby the production of noise abatement, the welding has the guide block of toper structure between the impeller flabellum, can improve impeller flabellum's stability, play certain guide effect simultaneously.

2. Through setting up toper piece and air intake, impeller flabellum rotates at a high speed and draws outside gas or liquid through the air intake, and the toper piece of structure post one side can reduce the gaseous or liquid backward flow that gets into in the impeller pump body, improves the work efficiency of this impeller subassembly, and the arc recess and the horizontal guide duct in the structure post outside play the guide effect, can reduce the resistance between structure post and the outside gas or liquid, reduce the noise that produces during the operation.

Drawings

Fig. 1 is a schematic view of the overall structure of a low noise impeller assembly according to the present invention.

Fig. 2 is a side view of a low noise impeller assembly of the present invention.

In the figure: 1. an impeller pump body; 2. an impeller blade; 3. a structural column; 4. a conical block; 5. an arc-shaped groove; 6. an air inlet; 7. a guide block; 8. a shaft sleeve; 9. a pin hole; 10. and a transverse air guide groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-2, a low noise impeller subassembly, includes the impeller pump body 1 and impeller flabellum 2, the welding of the 1 top of the impeller pump body has axle sleeve 8, the slope welding in the 8 outside of axle sleeve has impeller flabellum 2, the welding has guide block 7 between the impeller flabellum 2, the welding in the 1 top outside of the impeller pump body has structure post 3, the inboard welding of structure post 3 has toper piece 4, arc recess 5 has been seted up in the 3 outside of structure post, air intake 6 has been seted up between the structure post 3.

The shaft sleeve 8 penetrates through the impeller pump body 1, and a bolt hole 9 is formed in one end inside the shaft sleeve 8.

In this embodiment, as shown in fig. 1, a person sleeves the impeller pump body 1 on the motor output shaft through the shaft sleeve 8, and inserts the pin into the pin hole 9, thereby fixing the shaft sleeve 8 on the motor output shaft.

The impeller blades 2 and the guide blocks 7 are multiple in number, and the guide blocks 7 are of a conical structure.

In this embodiment, as shown in fig. 1, the guide block 7 can improve the stability of the impeller blade 2 and play a certain role in guiding.

Wherein, one side of the arc-shaped groove 5 is transversely provided with a transverse air guide groove 10.

In the embodiment, as shown in fig. 2, the arc-shaped groove 5 and the transverse air guide groove 10 play a role in guiding, so that the resistance between the structural column 3 and the outside gas or liquid can be reduced, and the noise generated during operation can be reduced.

Wherein the number of the structural columns 3 is plural.

In this embodiment, as shown in fig. 1, the structural columns 3 can improve the structural stability of the impeller pump body 1.

It should be noted that the utility model is a low-noise impeller assembly, when working, a person sleeves the impeller pump body 1 on the motor output shaft through the shaft sleeve 8, inserts the pin into the pin hole 9, thereby fixing the shaft sleeve 8 on the motor output shaft, the motor drives the impeller pump body 1 and the impeller blades 2 to rotate through the shaft sleeve 8, the impeller blades 2 are welded on the outer side of the shaft sleeve 8 in an inclined manner, when rotating at high speed, gas or liquid can be effectively driven to flow, meanwhile, the wind resistance can be reduced due to the inclined angle, thereby reducing the noise, the guide block 7 with a conical structure is welded between the impeller blades 2, the stability of the impeller blades 2 can be improved, and a certain guiding function is played, the impeller blades 2 rotate at high speed to pump the external gas or liquid through the air inlet 6, the conical block 4 on one side of the structural column 3 can reduce the backflow of the gas or liquid entering the impeller pump body 1, the working efficiency of the impeller component is improved, the arc-shaped groove 5 and the transverse air guide groove 10 on the outer side of the structural column 3 play a role in guiding, the resistance between the structural column 3 and the outside gas or liquid can be reduced, and the noise generated during operation is reduced.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a low noise impeller subassembly, includes impeller pump body (1) and impeller flabellum (2), its characterized in that: the impeller pump body (1) top welding has axle sleeve (8), axle sleeve (8) outside slope welding has impeller flabellum (2), the welding has guide block (7) between impeller flabellum (2), the welding has structure post (3) in the impeller pump body (1) top outside, the inboard welding of structure post (3) has toper piece (4), arc recess (5) have been seted up in the structure post (3) outside, air intake (6) have been seted up between structure post (3).

2. A low noise impeller assembly in accordance with claim 1, wherein: the impeller pump body (1) is run through in axle sleeve (8), bolt hole (9) have been seted up to axle sleeve (8) inside one end.

3. A low noise impeller assembly in accordance with claim 1, wherein: the impeller fan blades (2) and the guide blocks (7) are multiple in number, and the guide blocks (7) are of a conical structure.

4. A low noise impeller assembly in accordance with claim 1, wherein: one side of the arc-shaped groove (5) is transversely provided with a transverse air guide groove (10).

5. A low noise impeller assembly in accordance with claim 1, wherein: the number of the structural columns (3) is multiple.