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Leakage-free pump shaft sealing structure

A technology with a sealed structure and no leakage, applied to pumps, components of pumping devices for elastic fluids, pump components, etc., can solve problems such as easy moss growth, potential safety hazards, slipping and falling of point inspection personnel and maintenance personnel , to achieve the effect of avoiding entering the bearing box, reducing safety hazards, and reducing leakage

Active Publication Date: 2022-04-12
石家庄强大泵业集团有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Areas that are not easy to clean are also prone to moss, which can easily cause inspection personnel and maintenance personnel to slip and fall, posing safety hazards

Method used

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  • Leakage-free pump shaft sealing structure
  • Leakage-free pump shaft sealing structure
  • Leakage-free pump shaft sealing structure

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Embodiment Construction

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0031] see Figure 1 to Figure 8 , the non-leakage pump shaft sealing structure provided by the present invention will now be described. The leak-free pump shaft seal structure includes a shaft seal structure, a locking assembly and a water collection structure; the shaft seal structure is sleeved on the outside of the pump shaft, and the shaft seal structure includes fixed sleeves 50 and packing pressure rings 51 arranged at intervals, The outer sleeve of the fixed sleeve 50 and the packing pressure ring 51 is provided with a sealing sleeve 52, and the sealing sl...

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Abstract

The invention provides a leakage-free pump shaft sealing structure, which belongs to the technical field of pumps, and comprises a shaft sealing structure, a locking assembly and a water collecting structure, the shaft seal structure is arranged on the outer side of the pump shaft in a sleeving mode and comprises a fixing sleeve, a packing pressing ring and a sealing sleeve, a sealing cavity is defined by the sealing sleeve, the fixing sleeve and the packing pressing ring, and a flexible packing sleeve is arranged in the sealing cavity; the locking assembly comprises a connecting piece and a telescopic piece which are arranged at the two ends of the sealing sleeve, the connecting piece is connected with the fixing sleeve, and the telescopic piece is connected with the filler pressing ring. The water collecting structure comprises a waterproof cover body arranged above the shaft seal structure in a covering mode and a water collecting box arranged below the shaft seal structure. According to the leakage-free pump shaft sealing structure, the pump shaft sealing effect is improved, and meanwhile the leakage amount of shaft sealing water is reduced; and shaft seal water seeping from the filler can drop into the water collecting box or be sprayed to the waterproof cover body and then slide into the water collecting box along the side wall of the waterproof cover body, so that the pump base is kept clean and dry, and potential safety hazards are reduced.

Description

technical field [0001] The invention belongs to the technical field of pumps, and more specifically relates to a leak-free pump shaft sealing structure. Background technique [0002] The sealing structure of the pump shaft in the prior art is mostly cylindrical. Usually, the sealing structure adopts the packing seal. In the packing seal, the packing is fixed by the compression of the packing gland, and the gap between the packing and the shaft sleeve is improved by pressing the packing gland. The dynamic sealing between the packing and the static sealing ability between the packing and the inner wall of the stuffing box. The bearing pressure of the packing is not only affected by the preset compression degree of the packing gland, but also changes with the operation of the pump shaft. With the wear of the packing, the bearing pressure of the packing changes accordingly, and the sealing performance is weakened. [0003] And during the working process of the pump body, the pu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/10F04D29/00
Inventor 蔺延德曾德英
Owner 石家庄强大泵业集团有限责任公司
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