Single-phase pipeline shielding electric pump

A technology of shielding electric pumps and shielding motors, which is applied in the directions of pumps, pump devices, pump components, etc., achieves the effects of reliable operation, simple assembly and reduction of raw material costs.

Active Publication Date: 2008-11-19
HEFEI XINHU CANNED MOTOR PUMP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a single-phase pipeline sh

Method used

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  • Single-phase pipeline shielding electric pump
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  • Single-phase pipeline shielding electric pump

Examples

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Example Embodiment

[0014] The structure and working principle of the present invention will be further introduced below in conjunction with the drawings and specific embodiments.

[0015] Such as figure 1 with figure 2 As shown, a single-phase pipeline canned motor pump includes a pump body 11, an impeller 12, and a canned motor part. The pump body 11 is provided with inlet and outlet water passages 111 and 112 and an impeller cavity 113, and the impeller cavity 113 connects the inlet and outlet water passages 111 and 112. The shielded motor part includes the motor shell 2, the bleed screw 1, the sealing ring 3, the upper gasket 4, the shield sleeve 5, the rotor 6, the stator 7, the thrust bearing seat 8, the lower bearing seat 9, the lower gasket 10, and the impeller 12. , Mouth ring 13, lower bearing 15, thrust bearing 16, rotating shaft 17, upper bearing 18, upper bearing seat 19.

[0016] Three steps are provided in the pump body 11 where the motor housing 2, the shielding sleeve 5 and the low...

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Abstract

The invention discloses a single phase pipeline shielding electric pump, relating to a shielding electric pump. The single phase pipeline shielding electric pump comprises a pump body and a shielding motor part; the shielding motor part comprises a stator, a rotor, a rotating shaft, an impeller, an upper bearing seat, a lower bearing seat, an upper bearing, a lower bearing and a shielding sleeve, wherein, the stator and the rotor are separated and shielded by the shielding sleeve; seam fit is adopted between the shielding sleeve and the lower bearing seat; and the middle of the shielding sleeve is provided with a lower sealed gasket to prevent water from entering the stator, thereby protecting the stator. In addition, the seam fit is adopted between the shielding sleeve and the lower bearing seat to make assembly simpler. The single phase pipeline shielding electric pump forms an inner circulating cooling mode by directly mounting a water channel in the rotating shaft and digging holes on the lower bearing seat and has a simpler cooling structure and better effect.

Description

Technical field: [0001] The invention relates to a shielded electric pump, in particular to a single-phase pipeline shielded electric pump. Background technique: [0002] At present, ordinary pipeline electric pumps are generally used in the market. The main disadvantage is that the mechanical seal will age after a period of use, and leakage will occur. Once leakage occurs, it will pollute our living environment, and the mechanical oil in the mechanical seal will pollute the water quality. At the same time, the electric pump is installed indoors, and the noise generated during work prevents people from having a normal rest. The canned electric pump overcomes the above-mentioned shortcomings and embodies the advantages of low noise and no leakage. For example, in Chinese Patent No. 03260854.3 pipeline shielded electric pump patent, it is mentioned that a motor adopts a three-phase shielded structure and is coaxially connected with a centrifugal water pump to form a set of pi...

Claims

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Application Information

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IPC IPC(8): F04D13/06F04D29/043F04D29/00H02K5/10H02K5/20
Inventor 韩元平
Owner HEFEI XINHU CANNED MOTOR PUMP
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