CN215890578U

CN215890578U - Centrifugal pump impeller capable of efficiently transferring energy

Info

Publication number: CN215890578U
Application number: CN202120055444.0U
Authority: CN
Inventors: 刘振起
Original assignee: Suzhou City Jiekaili Industrial Equipment Co ltd
Current assignee: Suzhou City Jiekaili Industrial Equipment Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2022-02-22
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a centrifugal pump impeller capable of efficiently transferring energy, which comprises a circular-ring-shaped blade bottom plate, wherein a shaft hole sleeve penetrating through the blade bottom plate is vertically arranged at the circle center position of the blade bottom plate, a guide ring covers the upper end surface of the blade bottom plate, a plurality of blades are vertically embedded between the blade bottom plate and the guide ring, the blades are regularly arranged at equal intervals by taking the shaft hole sleeve as the circle center, and the blades are in a spiral shape and radiate towards the outer edge of the blade bottom plate by taking the shaft hole sleeve as the circle center. The utility model relates to a centrifugal pump impeller capable of efficiently transferring energy, which is characterized in that a shaft hole sleeve is fixedly embedded at the position of an impeller bottom plate, blades are driven by a pump to rotate at a constant speed, the flow speed of water can be increased by the spiral blades, loss caused by friction is reduced, the blades are prevented from deforming under the impact of water flow, the energy transfer efficiency of a water pump is improved, the flow rate and the flow speed of liquid in the impeller are increased, and the energy transfer efficiency of the impeller is improved.

Description

Centrifugal pump impeller capable of efficiently transferring energy

Technical Field

The utility model belongs to the technical field of centrifugal pump impellers capable of efficiently transferring energy, and particularly relates to a centrifugal pump impeller capable of efficiently transferring energy.

Background

The water pump is widely applied equipment in daily life and industrial production; the impeller is a part for transmitting energy to liquid, and the liquid obtains energy from the impeller when flowing through the impeller, so that the kinetic energy and the pressure energy of the liquid are increased; the traditional impeller is composed of blades and a blade base plate, wherein the blades are straight blade bodies and are fixed on a blade base plate in a radial circumferential equal division manner. There is therefore a need for a solution to the above problems.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide an impeller of a centrifugal pump capable of efficiently transferring energy, which has stable vortex, reduces the bending of blades, and ensures the energy transfer efficiency of the impeller.

In order to achieve the purpose, the utility model provides a centrifugal pump impeller capable of efficiently transferring energy, which is characterized by comprising a circular-ring-shaped blade bottom plate, wherein a shaft hole sleeve penetrating through the blade bottom plate is vertically arranged at the circle center position of the blade bottom plate, a guide ring covers the upper end surface of the blade bottom plate, a plurality of blades are vertically embedded between the blade bottom plate and the guide ring, the blades are regularly arranged at equal intervals by taking the shaft hole sleeve as the circle center, the blades are in a spiral shape and radiate towards the outer edge of the blade bottom plate by taking the shaft hole sleeve as the circle center, the guide ring is concentric with the blade bottom plate, the upper end surface of the guide ring is connected with a guide ring, the guide ring extends towards the circle center position along the outer edge of the guide ring, and the guide ring inclines upwards relative to a horizontal plane so that the guide ring becomes smaller from the bottom upwards.

In one example, a through hole which penetrates through the shaft hole sleeve and is matched with the output shaft of the pump is formed in the shaft hole sleeve.

In one example, the blade includes leading and trailing edge portions, both leading edge portions forming an entrance angle greater than both trailing edge portions forming an exit angle.

In one example, the leading edge portion forms an entrance angle of 25.4 ° and the trailing edge portion forms an exit angle of 21 °.

In one example, the lobe wrap angle of both axial faces at the intersection of the inlet angle and the outlet angle edge is 136.3 °.

The centrifugal pump impeller capable of efficiently transferring energy provided by the utility model can bring the following beneficial effects: the position of the shaft hole sleeve fixedly embedded in the blade bottom plate is adopted, the blades are driven by the pump to rotate at a constant speed, the spiral blades can improve the flow speed of water, the loss caused by friction is reduced, the blades are prevented from deforming under the impact of water flow, the energy transfer efficiency of the water pump is improved, the flow rate and the flow speed of liquid in the impeller are increased, and the efficiency of transferring energy by the impeller is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a top plan view of an impeller for a centrifugal pump of the present invention for efficient energy transfer;

FIG. 2 is a bottom view of an impeller of a centrifugal pump of the present invention for efficient energy transfer;

FIG. 3 is a side view of an impeller for a centrifugal pump of the present invention for efficient energy transfer;

FIG. 4 is a front side view of an efficient energy transfer centrifugal pump impeller of the present invention;

FIG. 5 is a rear side view of an efficient energy transfer centrifugal pump impeller of the present invention;

fig. 6 is a cross-sectional view of an impeller for a centrifugal pump of the present invention for efficient energy transfer.

Detailed Description

In order to more clearly explain the overall concept of the utility model, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 6, an embodiment of the present invention provides a centrifugal pump impeller capable of efficiently transferring energy, which includes a circular-ring-shaped blade base plate 1, a shaft hole sleeve 11 penetrating through the blade base plate 1 is vertically disposed at a center position of the blade base plate 1, a flow guide ring 2 covers an upper end surface of the blade base plate 1, a plurality of blades 3 are vertically embedded between the blade base plate 1 and the flow guide ring 2, the blades 3 are regularly arranged at equal intervals with the shaft hole sleeve 11 as a center, the blades 3 are spirally radiated toward an outer edge of the blade base plate 1 with the shaft hole sleeve 11 as a center, the flow guide ring 2 is concentric with the blade base plate 1, the upper end surface of the flow guide ring 2 is connected with a flow guide ring 21, the flow guide ring 21 extends toward the center position along the outer edge of the flow guide ring 2, and the flow guide ring 21 is inclined upward relative to a horizontal plane, so that the flow guide ring 21 is gradually reduced from the bottom upward.

Specifically, a through hole 111 which penetrates through the shaft hole sleeve 11 and is matched with the output shaft of the pump is formed in the shaft hole sleeve 11.

Specifically, the blade 3 includes a leading edge portion 31 and a trailing edge portion 32, and an entrance angle 311 formed by the leading edge portions 31 is larger than an exit angle 321 formed by the trailing edge portions 32.

Specifically, leading edge portion 31 forms an entrance angle 311 of 25.4 ° and trailing edge portion 32 forms an exit angle 321 of 21 °.

Specifically, the blade wrap angle of the two axial surfaces at the intersection of the edges of the inlet angle 321 and the outlet angle 311 is 136.3 °.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a centrifugal pump impeller of high-efficient transmission energy, its characterized in that, including being ring type leaf bottom plate, leaf bottom plate centre of a circle position is provided with perpendicularly and runs through the axle hole cover of leaf bottom plate, leaf bottom plate up end lid has closed the water conservancy diversion ring, the leaf bottom plate with perpendicular gomphosis has a plurality of blades between the water conservancy diversion ring, the blade with the axle hole cover is the regular range of centre of a circle equidistance, the blade be spiral line shape with the axle hole cover is centre of a circle orientation the leaf bottom plate is outer along the radiation, the water conservancy diversion ring with the leaf bottom plate is concentric, the water conservancy diversion circle is connected to water conservancy diversion ring up end, the water conservancy diversion circle is followed the outer of water conservancy diversion ring is extended along the centre of a circle position, the relative horizontal plane tilt up of water conservancy diversion circle, the order the water conservancy diversion circle upwards diminishes gradually from the bottom.

2. The impeller of the centrifugal pump for efficiently transferring energy as claimed in claim 1, wherein a through hole penetrating through the shaft hole sleeve and adapted to an output shaft of the pump is formed in the shaft hole sleeve.

3. An efficient energy transfer centrifugal pump impeller as claimed in claim 1 wherein said blades include leading and trailing edge portions, said leading edge portions defining an entrance angle greater than an exit angle defined by said trailing edge portions.

4. A centrifugal pump impeller for efficient energy transfer as claimed in claim 3 wherein said leading edge portion defines an entrance angle of 25.4 ° and said trailing edge portion defines an exit angle of 21 °.

5. An efficient energy transfer centrifugal pump impeller as claimed in claim 4 wherein the wrap angle of both axial faces at the intersection of the inlet angle and the outlet angle edges is 136.3 °.