JPS63133686U

JPS63133686U -

Info

Publication number: JPS63133686U
Application number: JP2673087U
Authority: JP
Priority date: 1987-02-25
Filing date: 1987-02-25
Publication date: 1988-09-01

Description

[Brief explanation of the drawing]

第１図はこの考案に係るジヤケツト付バタフラ
イ弁の一部を切り欠いた斜視図、第２図はジヤケ
ツトを断面した側面図、第３図は第２図―線
に沿つた断面図、第４図は第３図―線の沿つ
た断面図、第５図は第３図―線に沿つた断面
図、第６図は第３図―線に沿つた断面図、第
７図は第３図―線に沿つた断面図、第８図は
一変形を示す第１図と同様の図、第９図は該変形
に係る第２図と同様の図、第１０図は第９図―
線に沿つた断面図、第１１図は従来のジヤケツ
ト付バタフライ弁の一部を切り欠いた斜視図、第
１２図はジヤケツトを断面した側面図、第１３図
は第１２図―線に沿つた断面図である。１０……弁本体、１１……弁体、１２……ジヤ
ケツト、１３……流路、１４，１５……ポート、
１６……仕切板、１７……駆動側弁軸部、１８…
…従動側弁軸部。 Fig. 1 is a partially cutaway perspective view of a butterfly valve with a jacket according to this invention, Fig. 2 is a cross-sectional side view of the jacket, Fig. 3 is a sectional view taken along the line of Fig. 2, and Fig. 4 is a sectional view taken along the line of Fig. 2. The figure is a sectional view taken along the line of Fig. 3, Fig. 5 is a sectional view taken along the line of Fig. 3, Fig. 6 is a sectional view taken along the line of Fig. 3, and Fig. 7 is a sectional view taken along the line of Fig. 3. -A sectional view taken along the line, Fig. 8 is a view similar to Fig. 1 showing one modification, Fig. 9 is a view similar to Fig. 2 relating to the modification, Fig. 10 is Fig. 9 -
11 is a partially cutaway perspective view of a conventional jacketed butterfly valve, FIG. 12 is a cross-sectional side view of the jacket, and FIG. 13 is a sectional view taken along the line of FIG. 12. FIG. 10... Valve body, 11... Valve body, 12... Jacket, 13... Channel, 14, 15... Port,
16... Partition plate, 17... Drive side valve shaft, 18...
...Driver side valve stem.

Claims

[Scope of utility model registration request]

A flow passage 1 is provided on the outer circumferential surface of a cylindrical valve body 10 of a butterfly valve, which has a rotatably disc-shaped valve body 11 inside.
A jacket 12 defining two ports 14, 1 is installed in the jacket 12 and adjacent to each other define two ports 14, 1.
5, and a partition plate 16 blocks the space between the two ports 14 and 15 which are close to each other.