JPS60102551U - lock 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) [Summary] 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 drawings]

第１図は本考案に係るロック弁を適用したシリ　　　　
ンダユニットの概略図、第２図は同ロック弁の縦断面図
、第３図はロック弁の別実施例の縦断面図、第４図は第
３図に示した実施例の要部訟太断面図である。Figure 1 shows a series to which the lock valve according to the present invention is applied.
2 is a longitudinal cross-sectional view of the lock valve, FIG. 3 is a longitudinal cross-sectional view of another embodiment of the lock valve, and FIG. 4 is a schematic diagram of the main parts of the embodiment shown in FIG. 3. FIG.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 弁本体に穿設された孔と、この孔に一端が開口する如く
弁本体に穿設された一対の作動油の流路と、該孔に摺動
自在に嵌装され且つ一部に外周をテーパ面とした小径部
を有するスプールと、一端が該スプールのテーパ面に当
接し他端が前記一対の流路のそれぞれに臨みスプールの
摺動に応じて各流路内に出没動するピンと、各流路内に
設けられピンの出疫動によって各流路を一部する球体と
からなることを特徴とするロック弁。A hole drilled in the valve body, a pair of hydraulic fluid passages drilled in the valve body so that one end opens in the hole, and a hydraulic fluid flow path that is slidably fitted into the hole and partially has an outer periphery. a spool having a small diameter portion with a tapered surface; a pin having one end abutting the tapered surface of the spool and the other end facing each of the pair of flow channels and moving in and out of each flow channel in response to sliding of the spool; A lock valve comprising a sphere provided in each flow path and forming a part of each flow path by movement of a pin.