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Water outlet body structure

A water outlet and water outlet technology, which is applied to liquid fuel engines, parts of pumping devices used for elastic fluids, non-variable pumps, etc., can solve the problem that the inner chamber of the water outlet does not conform to the law of efficient fluid flow and the waste of casting materials , increase shaft power and other issues, to achieve a good diversion effect, improve head and efficiency, and reduce hydraulic loss

Active Publication Date: 2015-05-06
NANFANG PUMP IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the problems in the prior art that the inner cavity of the outlet water does not conform to the law of high-efficiency fluid flow, resulting in hydraulic loss, increased shaft power, waste of casting materials, and low processing efficiency, and to provide a cavity that is easy to assemble. The flow line is smooth and transitions smoothly, the diversion effect is good, and the efficiency is high; the water outlet structure reduces material waste

Method used

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Embodiment 1

[0022] exist figure 1 , figure 2 In the shown embodiment, a water outlet structure includes a water outlet body 1, the water outlet body 1 includes a water outlet cover 2 and a water outlet inner lining 3, and the water outlet cover 2 and the water outlet inner lining 3 are steel stamping components respectively . The water outlet body cover 2 is set on the water outlet inner lining 3 and is clamped and connected with the outer wall of the water outlet inner lining 3. The water outlet inner lining 3 includes a water inlet end 4 and a water outlet end 5, and the water outlet end 5 protrudes from the water outlet body cover. 2, a fluid cavity 6 with a smooth stepped structure is provided inside the inner lining 3 of the water outlet, and an internal thread 7 is provided on the cavity wall of the fluid cavity 6 at one end of the water outlet 5, and the side surface of the water outlet cover 2 is evenly distributed along the circumference. There are at least two notches 8 , and...

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Abstract

The invention discloses a water outlet body structure which comprises a water outlet main body. The water outlet main body comprises a water outlet body cover and a water outlet body liner. The water outlet body liner is sleeved with the water outlet body cover which is connected with the outer wall of the water outlet body liner in a clamped mode. The water outlet body liner comprises a water inlet end and a water outlet end. The water outlet end protrudes out of the water outlet body cover. A fluid cavity of a smooth step structure is formed in the water outlet body liner. Internal threads are formed in the portion, at one end of the water outlet end, of the cavity wall of the fluid cavity. At least two notches are evenly distributed in the side face of the water outlet body cover circumferentially. Through holes are formed in the portions, corresponding to the notches, of the end face of the water outlet body cover. By means of the water outlet body structure, it can be ensured that smooth transition is adopted for the streamline of the fluid cavity, a good diversion effect is achieved, the effect of reducing hydraulic loss is achieved through the regular area change of collected water, the high-flow lift and efficiency are remarkably improved, the shaft power is reduced, the work efficiency of a pump is improved, and cost is reduced.

Description

technical field [0001] The invention relates to the technical field of submersible pumps, in particular to a water outlet structure. Background technique [0002] The water outlet body of the existing deep well submersible pump is made of stainless steel castings, which is limited to the use environment of the deep well pump and has strict size restrictions on the outer diameter of the pump. In the inner gap, in order to reduce the impact on the maximum outer diameter of the pump body, so the water outlet body is evenly distributed with 4 notch grooves for tightening the tension belt. The through hole is screwed to the nut, so four bosses protrude inward from the inner cavity of the outlet water, forming a boss cavity and a concave cavity. The shaft power is increased; secondly, the casting material is wasted and the processing efficiency is low. [0003] Chinese patent literature (announcement date: July 24, 2013, announcement number: CN203081864U) discloses a stainless s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/40
CPCF04D29/4293
Inventor 宋巍巍崔海岭朱有富
Owner NANFANG PUMP IND
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