Water guide cone and impeller hub connecting structure

A technology of connection structure and water guide cone, which is applied in the direction of non-variable pumps, pump components, and parts of pumping devices for elastic fluids, etc., which can solve the problem of long bolt length, affecting the service life of the main shaft, production, procurement Inconvenience and other problems, to achieve the effect of prolonging the service life, simple structure and convenient installation

Inactive Publication Date: 2015-08-05
川源(中国)机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In this technical solution, the implementation of small axial flow pumps is not a big problem, but the length of long bolts required for large axial flow pumps is too long and needs to be customized, which brings inconvenience to production and procurement; moreover, the water guide cone cannot be closely matched with the impeller hub ;Drilling threaded holes on the spindle head affects the service life of the spindle

Method used

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  • Water guide cone and impeller hub connecting structure
  • Water guide cone and impeller hub connecting structure

Examples

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Embodiment Construction

[0019] Such as figure 2 As shown, a connection structure between the water guide cone and the impeller hub, including the impeller hub 1, on which the blade 11 is arranged, one end of the impeller hub 1 is connected to the main shaft 3 of the submersible pump through the impeller nut 12, and the other end is connected to the water guide hub 1. The cone 2 is connected, and the water guide cone is a cast iron component.

[0020] Wherein, an axial plane 201 is provided on the outer side of the mouth of the water guide cone, and the axial plane is provided with an extension connecting portion 202 superimposed on the end surface of the impeller hub on the side where the axial plane connects with the impeller hub, and the extension connecting portion is connected to the impeller hub end surface. The end faces of the impeller hubs are fixed by screws 22 . In this way, common screws can be used to connect and fix the water guiding cone and the hub of the impeller, the structure is s...

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PUM

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Abstract

The invention discloses a water guide cone and impeller hub connecting structure. The connecting structure comprises an impeller hub, wherein one end of the impeller hub is connected with a submersible pump main shaft through an impeller nut, and the other end is connected with a water guide cone; an axial plane is arranged at the outer side of a cone port part of the water guide cone; an extension connecting part overlapped with the end surface of the impeller hub is arranged at the connected side of the axial plane with the impeller hub; and the extension connecting part and the end surface of the impeller hub are fixed through a screw. The water guide cone and impeller hub connecting structure is simple in structure, is convenient to be installed, and prolongs the service life of a pump.

Description

technical field [0001] The present invention relates to axial flow pumps. Background technique [0002] Such as figure 1 As shown, in the prior art, one end of the impeller hub 1 is connected to the main shaft 3 of the submersible pump through the impeller nut 12, and the other end is connected to the water guide cone 2. When the axial flow pump installs the water guide cone, a long bolt 21 is used to pass through The water guiding cone is connected with the main shaft to fix it. [0003] In this technical solution, the implementation of small axial flow pumps is not a big problem, but the length of long bolts required for large axial flow pumps is too long and needs to be customized, which brings inconvenience to production and procurement; moreover, the water guide cone cannot be closely matched with the impeller hub ;Drilling threaded holes in the spindle head affects the service life of the spindle. Contents of the invention [0004] The technical problem to be solv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/64F04D29/54
CPCF04D29/648F04D29/548
Inventor 张跃
Owner 川源(中国)机械有限公司
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