Diagonal flow pump impeller

Abstract

The utility model relates to a diagonal flow pump impeller which comprises a hub, diagonal flow blades are arranged on the hub, an outer ring wall is fixedly arranged on the outer sides of the diagonal flow blades and surrounds the hub, the rotating axis of the outer ring wall and the rotating axis of the hub are in the same straight line, the outer ring wall is obliquely arranged, and the diagonal flow blades are fixedly arranged on the outer ring wall. The distance from the side, close to the water outlet, of the outer ring wall to the rotating axis of the outer ring wall is larger than the distance from the side, close to the water inlet, of the outer ring wall to the rotating axis of the outer ring wall. According to the diagonal flow pump impeller, the outer ring wall is obliquely arranged, the distance from the side, close to the water outlet, of the outer ring wall to the rotating axis of the outer ring wall is larger than the distance from the side, close to the water inlet, of the outer ring wall to the rotating axis of the outer ring wall, the centrifugal speed of water flow can be effectively limited and gradually converted into the axial speed, and large flow and lift are guaranteed.

Description

Technical Field

[0001] This application relates to the field of mixed-flow pump technology, and in particular to a mixed-flow pump impeller. Background Technology

[0002] As an important component of fluid machinery, mixed-flow pumps are widely used in industrial, agricultural, and municipal drainage fields. The design of their core component, the impeller, directly affects the pump's efficiency and reliability. Traditional mixed-flow pumps continuously improve their performance by optimizing blade shape, material selection, and structural design, providing efficient and reliable fluid transport solutions for various industries and greatly promoting the development of related sectors.

[0003] In the existing technology, the characteristics of mixed flow pumps are that they can generate a higher head than axial flow pumps of the same volume, but the flow rate will be smaller. They can generate a larger flow rate than centrifugal pumps, but the head will be smaller. Currently, centrifugal pumps are large in volume, while axial flow pumps have too small a head. How to ensure a large head and flow rate of mixed flow pumps without increasing the volume has become an urgent problem to be solved in this field. Utility Model Content

[0004] To address the problems of mixed-flow pumps in the prior art, this application provides a mixed-flow pump impeller.

[0005] This application provides an impeller for a mixed-flow pump, which adopts the following technical solution:

[0006] An impeller for a mixed-flow pump includes a hub with mixed-flow blades disposed on the hub. An outer ring wall is fixedly disposed on the outer side of the mixed-flow blades and surrounds the hub. The rotation axis of the outer ring wall is colinear with the rotation axis of the hub. The outer ring wall is inclined, and the distance from the side of the outer ring wall near the outlet to the rotation axis of the outer ring wall is greater than the distance from the side of the outer ring wall near the inlet to the rotation axis of the outer ring wall.

[0007] By adopting the above technical solution, the impeller of the mixed flow pump can effectively limit the centrifugal velocity of the water flow by tilting the outer ring wall and making the distance from the side of the outer ring wall near the outlet to the rotation axis of the outer ring wall greater than the distance from the side of the outer ring wall near the inlet to the rotation axis of the outer ring wall, thus gradually converting it into axial velocity and ensuring a larger flow rate and head.

[0008] Preferably, the outer ring wall is provided with a reinforcing ring at its edge.

[0009] By adopting the above technical solution, the reinforcing ring at the edge of the outer ring wall can effectively improve the overall structural strength of the outer ring wall and prevent deformation or damage to the outer ring wall due to centrifugal force during high-speed rotation, thereby ensuring the stability and reliability of the mixed flow pump impeller during long-term operation.

[0010] Preferably, the hub includes an outer roller and an inner roller, the inner roller is fixedly disposed inside the outer roller, and the oblique flow blades are all fixedly disposed on the outer roller.

[0011] By adopting the above technical solution, the hub consists of an outer roller and an inner roller, with the inner roller fixedly installed inside the outer roller, and the oblique flow blades all fixedly installed on the outer roller. This structural design allows the hub to have a more reasonable spatial layout, improving the impeller's strength and stability without increasing the overall volume.

[0012] Preferably, the inner roller is also provided with a mounting groove for easy installation.

[0013] By adopting the above technical solution, an installation groove is provided on the inner roller of the mixed flow pump impeller to facilitate installation, which can significantly improve the convenience of the impeller assembly process and reduce the installation difficulty and time cost.

[0014] Preferably, a reinforcing rib is provided between the outer roller and the inner roller.

[0015] By adopting the above technical solution, reinforcing ribs are set between the outer and inner rollers of the mixed flow pump impeller, which enhances the overall structural strength of the hub and effectively prevents deformation caused by centrifugal force during high-speed rotation, thereby improving the operational stability and reliability of the impeller.

[0016] Preferably, the diameter of the reinforcing ring is larger than the diameter of the outer ring wall.

[0017] By adopting the above technical solution, a reinforcing ring is provided on the outer ring wall edge of the mixed flow pump impeller, and the diameter of the reinforcing ring is larger than the diameter of the outer ring wall. This design can effectively increase the overall strength of the outer ring wall and prevent the outer ring wall from being deformed or damaged due to centrifugal force during high-speed rotation, thereby improving the stability and reliability of the impeller.

[0018] Preferably, the oblique flow blades are configured as a plurality and evenly distributed on the hub.

[0019] By adopting the above technical solution, a reinforcing ring is provided on the outer ring wall edge of the mixed flow pump impeller, and the diameter of the reinforcing ring is larger than the diameter of the outer ring wall. This design can effectively increase the overall strength of the outer ring wall and prevent the outer ring wall from being deformed or damaged due to centrifugal force during high-speed rotation, thereby improving the stability and reliability of the impeller.

[0020] Preferably, the hub, the oblique flow blades, and the outer ring wall are integrally formed.

[0021] By adopting the above technical solution, the hub, oblique flow blades and outer ring wall are integrally formed, which can significantly improve the overall strength and stability of the impeller, reduce the connection gaps between components, and reduce the energy loss caused by structural discontinuity during fluid flow.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. By tilting the outer ring wall and making the distance from the side of the outer ring wall closer to the outlet to the rotation axis greater than the distance from the side closer to the inlet to the rotation axis, the fluid flow path is effectively optimized, the head and flow rate are increased, and the increase in impeller volume is avoided.

[0024] 2. The outer ring wall surrounds the hub and cooperates with the oblique flow blades, which enhances the structural stability, reduces energy loss during operation, and improves the overall efficiency of the pump;

[0025] 3. The combined design of the hub and the diagonal flow blades makes the fluid distribution within the impeller more uniform, thereby improving the fluid delivery performance and meeting the demand for high-performance diagonal flow pumps in a limited space. Attached Figure Description

[0026] Figure 1 This is an isometric schematic diagram of the main overall structure in the embodiments of this application;

[0027] Figure 2 This is a schematic diagram of the inlet structure in an embodiment of this application.

[0028] Reference numerals: 1. Hub; 11. Outer roller; 12. Inner roller; 2. Inclined flow blade; 3. Outer ring wall; 4. Reinforcing ring; 5. Reinforcing rib; 6. Mounting groove. Detailed Implementation

[0029] The following is in conjunction with the appendix Figure 1 -Appendix Figure 2 This application will be described in further detail.

[0030] This application discloses an impeller for a mixed-flow pump.

[0031] Reference Figure 1 and Figure 2 An impeller for a mixed-flow pump includes a hub 1, on which are mounted mixed-flow blades 2. An outer ring wall 3 is fixedly mounted on the outer side of the mixed-flow blades 2, surrounding the hub 1. The rotation axis of the outer ring wall 3 is collinear with the rotation axis of the hub 1. The outer ring wall 3 is inclined, and the distance from the side of the outer ring wall 3 near the outlet to its rotation axis is greater than the distance from the side of the outer ring wall 3 near the inlet to its rotation axis, thereby increasing the head of the mixed-flow pump.

[0032] Reference Figure 1 and Figure 2The hub 1 includes an outer roller 11 and an inner roller 12. The inner roller 12 is fixedly installed inside the outer roller 11, and multiple oblique flow blades 2 are evenly fixed on the outer roller 11. Multiple oblique flow blades 2 can be installed, and the bending angle of each blade 2 can be adjusted according to actual needs. This ensures that the fluid receives a uniform force when passing through the impeller, thereby improving pump efficiency. Furthermore, reinforcing ribs 5 are provided between the outer roller 11 and the inner roller 12 to enhance the overall strength of the hub 1 and prevent deformation during high-speed rotation.

[0033] Reference Figure 1 and Figure 2 The outer ring wall 3 is made of high-strength material, and reinforcing rings 4 are provided on both edges. The reinforcing rings 4 can be circular rings with a diameter larger than the outer diameter of the outer ring wall 3, which can enhance the rigidity of the outer ring wall 3 and prevent deformation during high-speed rotation.

[0034] Reference Figure 1 and Figure 2 The hub 1, the oblique flow blades 2, and the outer ring wall 3 adopt an integral molding structure, which ensures a tighter connection between the various components, reduces errors in the assembly process, and improves the reliability of the product. The inner roller 12 is also provided with an installation groove 6 for easy installation. The installation groove 6 can facilitate the connection of the impeller with other components and simplify the installation process.

[0035] The implementation principle of this application embodiment is as follows: By optimizing the impeller's structural design, the fluid can obtain a larger head and flow rate while maintaining a smaller volume, reducing energy loss and improving pump efficiency. Furthermore, by setting the reinforcing ring 4 and reinforcing rib 5, the overall strength of the impeller is enhanced, preventing deformation during high-speed rotation. The use of a one-piece molded structure makes the connections between various components tighter, reducing errors during assembly and improving product reliability.

[0036] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An impeller for a mixed-flow pump, characterized in that: Includes a hub (1), on which a diagonal flow blade (2) is provided, and an outer ring wall (3) is fixedly provided on the outside of the diagonal flow blade (2). The outer ring wall (3) surrounds the hub (1), and the rotation axis of the outer ring wall (3) is the same straight line as the rotation axis of the hub (1). The outer ring wall (3) is inclined, and the distance from the side of the outer ring wall (3) near the outlet to the rotation axis of the outer ring wall (3) is greater than the distance from the side of the outer ring wall (3) near the inlet to the rotation axis of the outer ring wall (3).

2. The impeller of a mixed-flow pump according to claim 1, characterized in that: The outer ring wall (3) is provided with a reinforcing ring (4) at its edge.

3. The impeller of a mixed-flow pump according to claim 1, characterized in that: The hub (1) includes an outer roller (11) and an inner roller (12). The inner roller (12) is fixedly disposed inside the outer roller (11), and the oblique flow blades (2) are all fixedly disposed on the outer roller (11).

4. The impeller of a mixed-flow pump according to claim 3, characterized in that: The inner roller (12) is also fixedly provided with an installation groove (6) for easy installation.

5. The impeller of a mixed-flow pump according to claim 3, characterized in that: A reinforcing rib (5) is provided between the outer roller (11) and the inner roller (12).

6. The impeller of a mixed-flow pump according to claim 2, characterized in that: The diameter of the reinforcing ring (4) is larger than the diameter of the outer ring wall (3).

7. The impeller of a mixed-flow pump according to claim 1, characterized in that: The oblique flow blades (2) are configured as multiple and evenly distributed on the hub (1).

8. The impeller of a mixed-flow pump according to claim 1, characterized in that: The hub (1), the oblique flow blades (2), and the outer ring wall (3) are integrally formed structures.

Images