JPS5850275U - check valve - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案の実施例を示す断面図、第２図は板バネ
部材の単体断面図、第３図は第２図のＡ方向から見た平
面図である。 図中符号１は本体、２は入口、３は出口、４はバルブ部
材、７は弁、８は溝、９．１０は空間、１１は板バネ部
材、１２はコイルスプリングである。FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a sectional view of a single plate spring member, and FIG. 3 is a plan view taken from direction A in FIG. 2. In the figure, 1 is a main body, 2 is an inlet, 3 is an outlet, 4 is a valve member, 7 is a valve, 8 is a groove, 9.10 is a space, 11 is a leaf spring member, and 12 is a coil spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 流体を人出させるための入口と出口とが形成された本体
の前記入口部分に軸方向に可動であるバルブ部材を設け
、該バルブ部材と同方向に可動である板バネ部材を前記
バルブ部材の中心と点接触する如く配置し、該板バネ部
材に一端が支持されて前記バルブ部材を閉弁方向に付勢
し他端が前記本体に支持される如くにスプリングを設け
、前記バネ部材の板バネ部の外周を前記本体の内壁に摩
擦接触せしめたことを特徴とするチェックバルブ。A valve member movable in the axial direction is provided at the inlet portion of the main body in which an inlet and an outlet for discharging fluid are formed, and a leaf spring member movable in the same direction as the valve member is attached to the valve member. A spring is disposed so as to be in point contact with the center, one end of which is supported by the plate spring member to bias the valve member in the valve closing direction, and the other end of which is supported by the main body. A check valve characterized in that an outer periphery of a spring portion is brought into frictional contact with an inner wall of the main body.