JPS6411460U

JPS6411460U -

Info

Publication number: JPS6411460U
Application number: JP10522487U
Authority: JP
Priority date: 1987-07-10
Filing date: 1987-07-10
Publication date: 1989-01-20
Anticipated expiration: 2002-07-10
Also published as: JPH0512512Y2

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例のスプールが第１
停止位置にある状態を示す図、第２図は第１実施
例のスプールが第２停止位置にある状態を示す図
、第３図は第１図の―線に沿う断面図、第４
図は本考案の第２実施例のスプールが第１停止位
置にある状態を示す図、第５図は第２実施例のス
プールが第２停止位置にある状態を示す図、第６
図はみぞを２個所設けたスプールを示す図、第７
及び８図はそれぞれみぞの断面形状を変えたスプ
ールを示す図、第９図はみぞに替えて穴を設けた
スプールを示す図、第１０図は第９図の―線
に沿う断面図、第１１及び１２図はそれぞれみぞ
の軸方向断面形状を変えたスプールを示す図であ
る。１０……オリフイスコントロールバルブ、１２
……弁穴、１２ｂ……ポート（第１ポート）、１
２ｃ……ポート（第２ポート）、１４……スプー
ル、１４ｂ……ランド（第１ランド）、１４ｃ…
…ランド（第２ランド）、２６……みぞ。 Figure 1 shows that the spool of the first embodiment of the present invention is
FIG. 2 is a diagram showing the spool of the first embodiment in the second stop position, FIG. 3 is a sectional view taken along the line - in FIG. 1, and FIG.
The figures show the spool of the second embodiment of the present invention in the first stop position, Figure 5 shows the spool of the second embodiment in the second stop position, and Figure 6 shows the spool of the second embodiment in the second stop position.
The figure shows a spool with two grooves, number 7.
Figures 9 and 8 are views showing a spool with a different cross-sectional shape of the groove, Figure 9 is a view showing a spool with a hole instead of a groove, Figure 10 is a cross-sectional view taken along the - line of Figure 9, Figures 11 and 12 are views showing spools in which the axial cross-sectional shapes of the grooves are changed, respectively. 10... Orifice control valve, 12
... Valve hole, 12b ... Port (first port), 1
2c...Port (second port), 14...Spool, 14b...Land (first land), 14c...
...Land (2nd land), 26...Mizo.

Claims

[Claims for Utility Model Registration] 1. A valve hole having first and second ports adjacent to each other, and a spool having first and second lands adjacent to each other, and the spool has a first port and a second port adjacent to each other. The first land is movably fitted between a first stop position and a second stop position, and the first land is provided with a groove or hole passing through from one end surface to the other end surface, and the spool is connected to the first land. When the spool is at the stop position, the first land is located between the first port and the second port, and when the spool is at the second stop position, the first port and the second port are blocked by the second land. An orifice control valve configured such that the first port and the second port communicate between the first and second lands. 2. The scope of the utility model registration claim, in which the first port is connected to the first oil passage, the second port is connected to the second oil passage, and the first oil passage and the second oil passage communicate through an orifice. The orifice control valve described in item 1.