Clean water pump

A technology for a clean water pump and a pump base, applied in the field of clean water pumps, can solve the problems of reducing the service life of the water pump, limiting the use range of the water pump, easy to bite, etc., and achieves the effects of reducing consumption, reducing weight and reducing manufacturing costs.

Inactive Publication Date: 2005-09-07
王双成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The water pump parts are made of cast iron materials, and their weight is heavy, which brings difficulties and inconveniences to maintenance, installation and transportation.
In addition, there is rust phenomenon, which reduces

Method used

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  • Clean water pump
  • Clean water pump
  • Clean water pump

Examples

Experimental program
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Example Embodiment

[0011] As shown in the figure, the clean water pump has a pump base 1 with a bearing shell 18 in the center of the pump base 1. The center hole of the pump base 1 is at the bottom and sealed by a cover plate 15, and the upper end of the pump base 1 is fitted with clearance The middle section 4 is connected, the upper end surface of the middle section 4 is connected with the rear section 9 through a clearance fit, and the rear section 9 is connected with a support 13 through a clearance fit. The pump seat 1, the middle section 4, the rear section 9 and the support 13 are pulled Tight bolts 24 are fixedly connected, and a drive shaft 19 is provided at the center of the pump seat 1, the middle section 4, the rear section 9 and the support 13; a motor seat 14 is connected to the support 13 through clearance fit, and a motor seat 14 is provided in the motor seat 14 The coupling 31 is connected to the drive shaft 19, and an elastic block 32 is installed in the coupling 31. A shaft sleev...

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PUM

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Abstract

The invention relates to a clean water pump that includes cover board, pump base, middle section, mouth circle, guide vane, guide vane cover, back section, back guide vane, supporting, tighten bolt, motor base, shaft connector, drive shaft, shaft cover A, shaft cover B, impeller, sealed circle, balance drum, balance drum cover, shaft cover C, feeding pressure cover, water proof circle, bearing box, bush, oil cup, and bearing water filling returning pipe. The material of pump base, middle section, mouth circle, guide vane, guide vane cover, back section, back guide vane, supporting, motor base, shaft connector, drive shaft, shaft cover A, shaft cover B, impeller, balance drum, balance drum cover, shaft cover C, feeding pressure cover, water proof circle, bearing box, bush, oil cup, and bearing water filling returning pipe is ABS engineering plastic. The advantage is that: it needs not to be machined, and it has high temperature endurable, high intensity, high steadily and high reliability, etc.

Description

technical field [0001] The invention relates to a clean water pump. Background technique [0002] At present, domestic water pump products such as LG, DL, ISL(G), Sn, SWL and other series pumps are all made of metal materials, and most of them are cast iron parts made of HT200, accounting for more than 90%. In the production of iron castings, due to the complex process and high requirements for qualified products (because the water pump parts must withstand a certain water pressure, no water leakage must be guaranteed), so the original casting waste rate and internal waste rate can reach 10%. Above, its loss and waste are great. Cast iron blanks need to be machined to assemble water pumps, and the losses and costs in machining are also relatively large. Generally, the scrap rate in machining accounts for more than 2%, and there are also losses of machining allowances, electricity costs, labor costs, and equipment maintenance. Expenses such as fees and depreciation fees acc...

Claims

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Application Information

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IPC IPC(8): F04D13/06F04D29/02F04D29/44
Inventor 王双成冯兴
Owner 王双成
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