JPS643164U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の逆止め弁の一実施例を示す縦
断面図、第２図は同上の他の実施例を示す縦断面
図、第３図は第２図の逆止め弁を分解した状態を
示す一部半截斜視図、第４図は第２図の逆止め弁
の作動状態を示す半截斜視図、第５図イ、第５図
ロ、第５図ハは本考案の実施態様の一例を説明す
るための半截断面図であり、第６図及び第７図は
それぞれ従来の逆止め弁の一例を示す縦断面図で
ある。 １……弁本体、１ａ……開口部、１ｂ……先端
部に設けた開口部、１ｄ……弁本体の膨らみ部、
２……弁座部材、３……支承軸、４……ばね部材
、５……案内部材、６……筐体。 Fig. 1 is a vertical sectional view showing one embodiment of the check valve of the present invention, Fig. 2 is a longitudinal sectional view showing another embodiment of the same as above, and Fig. 3 is an exploded view of the check valve of Fig. 2. FIG. 4 is a partially cutaway perspective view showing the operating state of the check valve of FIG. 2, and FIGS. It is a half-cut sectional view for explaining an example, and FIG. 6 and FIG. 7 are longitudinal sectional views each showing an example of a conventional check valve. 1...Valve body, 1a...Opening, 1b...Opening provided at the tip, 1d...Bulging part of the valve body,
2... Valve seat member, 3... Support shaft, 4... Spring member, 5... Guide member, 6... Housing.

Claims (1)

【実用新案登録請求の範囲】 (1) 複数個の開口部を有し先端部を流路の流入
側に向けた先細籠形の弁体と該弁体の内側に装着
した弾性材料の帽子形の弁部材とを有する逆止め
弁であつて、該弁本体より該流路の流出側におい
て該弁本体に対して固定した案内部材に該流路の
方向に摺動自在に装着した支承軸に該弁部材を固
着し、該案内部材と該弁部材との間に装着したば
ね部材の弾発力によつて該弁部材を該弁本体に押
圧するようにしたことを特徴とする逆止め弁。 (2) 先細籠形の該弁本体と帽子形の該弁部材と
がほぼ円錐形である実用新案登録請求の範囲第１
項記載の逆止め弁。 (3) 先細籠形の該弁本体と帽子形の該弁部材と
がほぼ楕円錐形である実用新案登録請求の範囲第
１項記載の逆止め弁。 (4) 先細籠形の該弁本体の該先端部にも該開口
部を設けた実用新案登録請求の範囲第１項記載の
逆止め弁。 (5) 先細籠形の該弁本体のテーパーした中間胴
部の一部を外方に膨らませ、帽子形の該弁部材の
該弁本体の膨らました部分に対向する部分を膨ら
ましていない実用新案登録請求の範囲第１項記載
の逆止め弁。[Claims for Utility Model Registration] (1) A tapered cage-shaped valve body with a plurality of openings and its tip facing the inflow side of the flow path, and a cap-shaped elastic material attached to the inside of the valve body. A check valve having a valve member, the check valve having a support shaft slidably attached to a guide member fixed to the valve body on the outflow side of the flow path from the valve body in the direction of the flow path. A check valve characterized in that the valve member is fixed and the valve member is pressed against the valve body by the elastic force of a spring member installed between the guide member and the valve member. . (2) Utility model registration claim 1, in which the tapered cage-shaped valve body and the cap-shaped valve member are substantially conical.
Check valve as described in section. (3) The check valve according to claim 1, wherein the tapered cage-shaped valve body and the cap-shaped valve member are substantially elliptical conical. (4) The check valve according to claim 1, wherein the opening is also provided at the tip of the tapered cage-shaped valve body. (5) Utility model registration in which a part of the tapered intermediate body of the tapered cage-shaped valve body is inflated outward, and the part of the cap-shaped valve member opposite to the inflated part of the valve body is not inflated. A check valve according to claim 1.