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Submersible pump provided with air jacking waterproof sealing structure and non-detachable and non-replaceable motor rotor

A waterproof sealing, submersible pump technology, applied in the direction of parts, pumps, pump devices, etc. of pumping devices for elastic fluids

Inactive Publication Date: 2017-07-04
梁嘉麟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, submersible pumps of various specifications and models emerge in an endless stream, which is a kind of power equipment with a wide range of uses. Standard sealing ring to act as) to resist the infiltration of external water into the submersible pump drive motor
——That is: it is difficult to keep the submersible pump in the underwater environment "for a lifetime"

Method used

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  • Submersible pump provided with air jacking waterproof sealing structure and non-detachable and non-replaceable motor rotor

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Effect test

Embodiment Construction

[0031] Overview of the core of the present invention: In order to prevent the motor rotor 2 from contacting with the external water body that penetrates into the submersible pump and eventually damage the motor, at least a metal-sealed isolation shielding cavity with a three-dimensional surrounding property is formed for the motor rotor, and only The rotating shaft 6 of the motor rotor 2 outputs rotational force to the liquid pump 9 through the shaft seal position 7. Obviously, if the external water body wants to enter the cavity (inner cavity) formed by the metal sealing isolation shield and contact with the motor rotor 2, then It can only enter through the shaft seal position 7 upwards along the rotating shaft 6. However, as long as the air pressure in the isolation and shielding cavity is large enough, it can fully support (prevent) the external water body from passing through the above-mentioned gap from top to bottom. The shaft seal position 7 enters the isolation shieldin...

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Abstract

The invention provides a submersible pump provided with an air jacking waterproof sealing structure and a non-detachable and non-replaceable motor rotor. The submersible pump comprises a traction motor which has a conventional structure form and is composed of a rotor (2) and a stator (1) which is embedded into a winding, and a hydraulic pump (9) driven by a rotary shaft (6) of the traction motor; the submersible pump is characterized in that the rotor (2) is at least enclosed by a wide metal isolation device (5) in a stereoscopic manner; a motor shaft seal (7) and an inflation nozzle device (P) are arranged at the inverted-cone-shaped bottom of the wide metal isolation device (5); all splicing gaps of the wide metal isolation device (5) are realized through a non-detachable welding process. According to the submersible pump, accumulated time of working and idling for one time underwater is much longer than that of the prior art; a product in the prior art needs to be maintained ashore at a fixed period (which commonly comprises a few months and does not exceed one year at most), but the product provided by the invention does not need to be maintained ashore at a fixed period, so that conditions are created for renewal products of the submersible pump. The structure of the submersible pump is also applicable to a common submersible pump.

Description

technical field [0001] The invention relates to a submersible pump with an air-supported waterproof sealing structure and a non-removable and replaceable motor stator. Background technique [0002] At present, submersible pumps of various specifications and models emerge in an endless stream, which is a kind of power equipment with a wide range of uses. Standard sealing ring to act as) to resist the infiltration of external water into the submersible pump drive motor. [0003] For this reason, when people use submersible pumps, the general maintenance interval will not be too long (as little as a month and as many as a year is difficult to exceed a year - the greater the diving depth, the shorter the maintenance interval of the submersible pump), as long as After use, it must be regularly lifted out of the water for maintenance (not damage repair), so that the seepage water that has entered the submersible pump motor has a chance to be artificially removed in time, so as to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D13/06F04D13/08F04D29/10
CPCH02K5/10H02K5/124H02K5/132F04D13/0606F04D13/064F04D13/083F04D13/086F04D29/086F04D29/106F04D29/108F04D13/0613
Inventor 梁嘉麟
Owner 梁嘉麟
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