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Telescopic filter

A filter and telescopic technology, applied in chemical instruments and methods, magnetic separation, solid separation, etc., can solve the problems of shortening the service life of the filter element, wasting the resource of the filter element, and difficult to align the threaded holes, etc., so as to reduce the risk Hidden dangers, easy replacement and inspection, and easy disassembly

Inactive Publication Date: 2013-09-11
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This connection method is difficult to ensure that the threaded holes of the two parts are aligned
[0004] The filter elements of the existing filters are integral, and the entire filter element needs to be replaced when the filter element is blocked, but the entire filter element of the filter is not blocked, which wastes the filter element resources and shortens the service life of the filter element

Method used

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  • Telescopic filter
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Embodiment Construction

[0032] The filtered liquid in this embodiment is hydraulic oil.

[0033] Such as Figure 1 ~ Figure 4As shown, the telescopic filter is composed of the third stage 1 of the filter, the bypass valve 2, the hose joint 3, the inner sleeve 4, the lower part of the first stage of the filter 5, the one-way valve 6, the end cover 7, the second stage of the filter First-stage upper part 8, inner and outer guide rings 9'9, inner and outer sealing rings 10'10, inner and outer upper guide bushes 11'11, inner and outer sealing retaining rings 12, paper filter element 14, mesh filter element 15, inner and outer key 16' 16. It is composed of inner and outer guide bushes 17'17, second stage of filter 18, circular baffle 19, middle magnetic rod 20, hose joint 21, etc., in which inner and outer guide rings 9'9, inner and outer sealing rings 10'10 The inner and outer upper guide bushes 11'11 constitute the guide seal positioning link, the inner and outer inner snap keys 16'16 and the inner and...

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Abstract

The invention discloses a telescopic filter which consists of a plurality of telescopic stages, and comprises a first stage of filter, a second stage of filter and a third stage of filter; a three-stage filtering way is formed by net type filter cores, paper filter cores and magnetic bars which are respectively arranged in the multiple stages of filters; internal hydraulic oil entering the filters or an external hydraulic oil source is adopted to control the extension of the stages of filters; the stages of filters can slide in a cylinder barrel between a shell of the first stage of filter and a welding steel cylinder, so that the filter cores of the filters can fully stretch for filtering; the filters can filter in the manner that hydraulic oil enters the filters through an oil hole of a one-way valve, and then the stretching filter cores are used for fully filtering. The pressure alarm and signal transmission can be carried out by a pressure relay of the system. When outlets of the filters are blocked and the filter cores need to be replaced, the stages of filters can retract into a first stage of cylinder barrel by virtue of the external hydraulic oil source so as to be disassembled. The filter is compact in structure, good in effect of three-stage filtering, simple to install and convenient to disassemble.

Description

technical field [0001] The invention relates to a filter, in particular to a telescopic filter. Background technique [0002] Common filters in engineering can be divided into integral filters and split filters according to different structural forms. Integral filters, their advantages are simple structure, easy overall installation and disassembly; the disadvantage is that in order to meet the filtering accuracy, the volume is relatively large, and the relative installation space is relatively large. Because in general, the filter satisfies the filtration accuracy by increasing the length of the filter element in the filter, and the filter element should be installed in the filter as a whole, so the volume of the filter will be large. [0003] The principle of the split filter is to put the second part into the filter, install it on the hydraulic circuit, install the first part on top of the second part, and then connect the two parts with bolts. This connection method is...

Claims

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Application Information

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IPC IPC(8): B03C1/30
Inventor 郭锐赵静一王艳云敬康
Owner YANSHAN UNIV
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