JPH031365U

JPH031365U -

Info

Publication number: JPH031365U
Application number: JP6272889U
Authority: JP
Priority date: 1989-05-30
Filing date: 1989-05-30
Publication date: 1991-01-09

Description

[Brief explanation of drawings]

第１図ないし第５図は本考案に係るゲートバル
ブの一実施例を示す図であり、第１図はこのゲー
トバルブの全体断面図、第２図は弁体の拡大断面
図、第３図は第２図における−線断面図、第
４図および第５図は弁体の弾性変形を示す断面図
、第６図は弁体の他の実施例を示す図、第７図は
本考案のゲートバルブの他の実施例を示す断面図
である。第８図および第９図は従来のゲートバル
ブを示す図であり、第８図はこのゲートバルブの
断面図、第９図はその弁体の拡大断面図、第１０
図および第１１図は従来の他のゲートバルブを示
す図であり、第１０図はこのゲートバルブの断面
図、第１１図はその弁体の拡大断面図である。１，３４……ハウジング、２，３……作業室、
４，５，３５，３６……開口部、６……駆動部、
７……シリンダ、８……ピストン、９……ロツド
、１０……シール用ベローズ、１１，３１……弁
体、１２，１３……ハニカム部材、１６，１７，
３７，３８……仕切板、１８，１９……弁座面、
２０，３０……突接板、３２……ハニカム構造部
材。 1 to 5 are diagrams showing one embodiment of the gate valve according to the present invention, in which FIG. 1 is an overall sectional view of the gate valve, FIG. 2 is an enlarged sectional view of the valve body, and FIG. 3 is an enlarged sectional view of the valve body. 2 is a cross-sectional view taken along the - line in FIG. 2, FIGS. 4 and 5 are sectional views showing elastic deformation of the valve body, FIG. 6 is a diagram showing another embodiment of the valve body, and FIG. FIG. 7 is a sectional view showing another example of the gate valve. 8 and 9 are views showing a conventional gate valve. FIG. 8 is a sectional view of this gate valve, FIG. 9 is an enlarged sectional view of its valve body, and FIG.
1 and 11 are views showing another conventional gate valve, with FIG. 10 being a sectional view of this gate valve, and FIG. 11 being an enlarged sectional view of its valve body. 1, 34... Housing, 2, 3... Working room,
4, 5, 35, 36... opening, 6... drive section,
7... Cylinder, 8... Piston, 9... Rod, 10... Seal bellows, 11, 31... Valve body, 12, 13... Honeycomb member, 16, 17,
37, 38... Partition plate, 18, 19... Valve seat surface,
20, 30...butting plate, 32...honeycomb structure member.

Claims

[Scope of utility model registration request]

a valve body that seals an opening of a working chamber having a valve seat surface by being pressed against the valve seat surface;
A gate valve comprising a drive unit for pressing the valve body against the valve seat surface, the gate valve having a structure in which the inside of the valve body has an elastically deformable honeycomb shape.