JP2008093645A - Multistaged integrated strainer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent damage or airtightness failure of a valve seat of a solenoid valve caused by intrusion of dust into the seat of the solenoid valve. <P>SOLUTION: Fig. 1 shows one embodiment example of a multistaged integrated strainer, wherein fluid enters from IN, large dust is removed by a primary coarse filter 1, and fine dust is removed in a secondary fine filter 2, and the fluid flows to OUT. The coarse filter 1 is connected to the fine filter 2 with a connection rod 6 of a magnet. When fluid flows, the rod is extended being pressed by fluid, and it is returned by force of a spring 7 when the fluid is stopped to shake down dust attached to the filter to prevent clogging. The shaken-down dust attaches to the connection rod 6 of the magnet. Thus, a service life of the filter and an interval of cleaning can be largely elongated. Provision of an inspection window 3 enables easy confirmation of clogging state of the filter. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

Detailed Description of the Invention

  The present invention relates to a multi-stage integrated strainer in which a strainer or element is housed in an integrated container.

Conventionally, there has been no multi-stage integrated strainer like this.
For this reason, there was a problem of premature clogging of dust, sludge treatment filter, etc. in the electromagnetic valve, but there was a drawback that the filter was not integrated in a plurality of stages and thus became large.

Problems to be solved by the invention

  The present invention has been made for the purpose of eliminating the drawbacks indicated in [0002], and has been made for the purpose of making a compact and high-performance filter.

Means for solving the problem

FIG. 1 is an example of the implementation of the present invention. FIG. 1 shows an example in which the present invention is implemented. The fluid enters from IN, the primary (1) coarse filter removes large dust, and the secondary (2) fine. Enter the filter and remove fine dust and flow to OUT.
The (1) coarse filter and (2) fine filter are connected by a magnet (6) connecting rod, and when the fluid is flowing, it is pushed by the fluid and stretched, but the flow is When it stops, it is pushed back by the force of the spring (7), so the dust adhering to the filter is screened out and prevents clogging. The dust removed is adhered to the connecting rod 6 of the magnet.
By doing in this way, the lifetime of a filter and the cleaning interval can be lengthened remarkably.
Furthermore, (3) the inspection window is provided, so that the clogged state of the filter can be easily confirmed.
FIG. 2 is an enlarged view of the filter element of FIG.
FIG. 3 is a simplified version of FIG. 1 in which a bag-like filter is a flat filter.

Embodiments of the Invention

1, 2 and 3 are embodiments of the present invention.
The material of the element is preferably a wire mesh or a non-woven fabric.
Transparent glass etc. is good for confirming the dirt of the body material.

The invention's effect

By implementing the present invention, foreign matter is prevented from entering the drain of the tank and the dust in the piping line of the factory into the valve seat of the solenoid valve.
Therefore, the cause of the failure can be removed, and it is possible to prevent the valve seat from being damaged or the valve seat from being poorly sealed.
Furthermore, clogging of the sludge treatment filter can be prevented.
Therefore, the cleaning interval of the compact filter can be extended and the related equipment can be prevented from being broken.

  Example 1 of the present invention   Enlarged view of the first filter part of the present invention   Example 2 of the present invention Example of flat element   Example 3 of the present invention Example incorporated into a manifold

Explanation of symbols

(1) Coarse filter (2) Fine filter (3) Inspection window (4) Body (5) Outlet joint (6) Connecting rod (7) Spring

Claims (6)

A multistage integrated strainer in which a strainer or element is housed in an integrated container. 2. An inspection window according to claim 1, wherein an inspection window is provided for knowing the inspection and cleaning time of the strainer or element. The magnet according to claim 1, wherein a magnet is provided on the primary side of the strainer or the element. 2. The multi-stage integrated strainer according to claim 1, wherein the element that expands and contracts is incorporated and the element is automatically cleaned. Multi-stage integrated strainer integrated into couplers, one-touch fittings, etc. A multistage strainer built into the manifold.

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