JPS62153464U

JPS62153464U -

Info

Publication number: JPS62153464U
Application number: JP4069386U
Authority: JP
Priority date: 1986-03-20
Filing date: 1986-03-20
Publication date: 1987-09-29
Also published as: JPH035725Y2

Description

[Brief explanation of the drawing]

第１図はこの考案に係るゴムシートの斜視図、
第２図は同一部を断面した斜視図、第３図は同正
面図、第４図はゴムシートの更に他の変形を示す
斜視図、第５図は同一部を断面した斜視図、第６
〜８図は頭部の一変形例を示す断面図、第９図は
ゴムシートの他の変形を示す断面図、第１０，１
１図は弁体の断面図、第１２図は弁体とゴムシー
トとを組み立てた状態の正面図、第１３図は同一
部を断面した斜視図、第１４，１５図は同縦断面
図、第１６〜１８図は従来のゴムシートと弁体と
を示す一部の拡大断面図である。１０……ゴムシート、１１……頭部、１２……
板状部、１３……弁軸孔、１５……貫通孔。 Figure 1 is a perspective view of a rubber sheet according to this invention.
FIG. 2 is a perspective view of the same section, FIG. 3 is a front view of the same, FIG. 4 is a perspective view of another modification of the rubber sheet, FIG. 5 is a perspective view of the same section, and FIG. 6 is a perspective view of the same section.
8 is a sectional view showing one modification of the head, FIG. 9 is a sectional view showing another modification of the rubber sheet, and 10th and 1st
Fig. 1 is a sectional view of the valve body, Fig. 12 is a front view of the valve body and rubber sheet assembled, Fig. 13 is a perspective view of the same part in section, Figs. 14 and 15 are longitudinal sectional views of the same, 16 to 18 are partially enlarged sectional views showing a conventional rubber sheet and a valve body. 10...Rubber sheet, 11...Head, 12...
Plate-shaped portion, 13... Valve shaft hole, 15... Through hole.

Claims

[Scope of utility model registration request]

a head 11 that closely contacts the inner circumferential surface of the butterfly valve;
The butterfly has a plate-shaped part 12 extending from the head 11 toward the center, and has a plurality of through-holes 15 formed at intervals in the plate-shaped part 12, and passes through the valve stem hole 13 at symmetrical positions. Valve rubber sheet.