JPH0444568U

JPH0444568U -

Info

Publication number: JPH0444568U
Application number: JP8765290U
Authority: JP
Priority date: 1990-08-22
Filing date: 1990-08-22
Publication date: 1992-04-15

Description

[Brief explanation of drawings]

第１図は本考案の逆止弁の第１実施例の縦断面
図、第２図は第１図の２−２線断面図、第３図は
第１図の３−３線断面図、第４図は同実施例の要
部の斜視図、第５図は本考案の逆止弁の第２実施
例の縦断面図、第６図は第５図の６−６線断面図
、第７図は第５図の７−７線断面図、第８図は本
考案の逆止弁の第３実施例の縦断面図、である。符号の説明、２ｅ……弁座、６……第１磁力発
生部材（第１永久磁石）、７……弁体、８……第
２磁力発生部材（第２永久磁石）、６＋８……弁
体付勢手段。 FIG. 1 is a longitudinal cross-sectional view of a first embodiment of the check valve of the present invention, FIG. 2 is a cross-sectional view taken along the line 2-2 in FIG. 1, and FIG. 3 is a cross-sectional view taken along the line 3-3 in FIG. 4 is a perspective view of the main parts of the same embodiment, FIG. 5 is a longitudinal sectional view of the second embodiment of the check valve of the present invention, and FIG. 6 is a sectional view taken along the line 6-6 in FIG. 7 is a sectional view taken along line 7-7 in FIG. 5, and FIG. 8 is a longitudinal sectional view of a third embodiment of the check valve of the present invention. Explanation of symbols, 2e... Valve seat, 6... First magnetic force generating member (first permanent magnet), 7... Valve body, 8... Second magnetic force generating member (second permanent magnet), 6+8... Valve Body biasing means.

Claims

[Claims for Utility Model Registration] A valve seat 2e provided facing the downstream side in a channel through which a fluid substance is transferred, a blocking position in contact with the valve seat 2e, and a downstream side from this blocking position. a valve body 7 supported movably between the moved communication position;
In this check valve, the valve body biasing means includes a second magnetic force integrally connected to the valve body 7. A reverse magnet comprising a magnetic force generating member 8 and a first magnetic force generating member 6 which is disposed downstream of the second magnetic force generating member 8 and repels the second magnetic force generating member 8. Stop valve.