JPH0373773U - - Google Patents
Info
- Publication number
- JPH0373773U JPH0373773U JP13568789U JP13568789U JPH0373773U JP H0373773 U JPH0373773 U JP H0373773U JP 13568789 U JP13568789 U JP 13568789U JP 13568789 U JP13568789 U JP 13568789U JP H0373773 U JPH0373773 U JP H0373773U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- spool
- direct
- switching valve
- communicates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims 1
Landscapes
- Magnetically Actuated Valves (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図はこの考案の他の実施例を示す断面図、第３
図は従来の直動型電磁切換弁の断面図、第４図は
従来の直動型電磁切換弁の他の一例を示す断面図
である。
図において、５……スプール、７，７′……ス
プリング、８，８′……スプリング室、９……第
１バイパス管路、１０，１０′……タンク室、１
２……第２バイパス管路、１３，１３′……ラン
ド、１４，１４′……摺動部、Ａ，Ｂ，Ｐ，ＴＡ
，ＴＢ……ポートである。なお、各図中同一符号
は同一または相当部分を示す。
Fig. 1 is a sectional view showing one embodiment of this invention, Fig. 2 is a sectional view showing another embodiment of this invention, and Fig. 3 is a sectional view showing another embodiment of this invention.
The figure is a cross-sectional view of a conventional direct-acting electromagnetic switching valve, and FIG. 4 is a cross-sectional view showing another example of a conventional direct-acting electromagnetic switching valve. In the figure, 5... Spool, 7, 7'... Spring, 8, 8'... Spring chamber, 9... First bypass pipe, 10, 10'... Tank chamber, 1
2... Second bypass pipe line, 13, 13'... Land, 14, 14'... Sliding part, A, B, P, TA
, TB... is a port. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
されるスプールをソレノイドを励磁して駆動し流
体の流路を切換える直動型電磁切換弁において、 スプール両端にそれぞれ配設された上記スプリ
ングが内設されたスプリング室を連通する第１バ
イパス管路と、上記スプリング室と上記スプール
に形成されたランドによつて互いに隔離されたタ
ンク室を連通する第２バイパス管路と、上記スプ
ールの作動にともない上記スプリングと上記タン
ク室を上記ランドの一方のみにおいて連通させる
構造を備えたことを特徴とする直動型電磁切換弁
。 (2) 第１バイパス管路を弁体に備えた請求項１
記載の直動型電磁切換弁。 (3) 第１バイパス管路をスプール軸に備えた請
求項１記載の直動型電磁切換弁。 (4) スプールのランド部はスプールの移動方向
のスプリング室とタンク室とを連通させる請求項
１記載の直動型電磁切換弁。[Claims for Utility Model Registration] (1) In a direct-acting electromagnetic switching valve that excites a solenoid to drive a spool held in a predetermined position by the spring force of a spring to switch the fluid flow path, a first bypass pipe that communicates a spring chamber in which the spring is disposed; and a second bypass pipe that communicates a tank chamber that is isolated from the spring chamber by a land formed on the spool. and a direct-acting electromagnetic switching valve comprising a structure that communicates the spring and the tank chamber only at one of the lands when the spool is operated. (2) Claim 1 in which the first bypass pipe is provided in the valve body.
The direct-acting solenoid switching valve described. (3) The direct-acting electromagnetic switching valve according to claim 1, wherein the first bypass line is provided on the spool shaft. (4) The direct acting electromagnetic switching valve according to claim 1, wherein the land portion of the spool communicates the spring chamber and the tank chamber in the direction of movement of the spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13568789U JPH0542293Y2 (en) | 1989-11-22 | 1989-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13568789U JPH0542293Y2 (en) | 1989-11-22 | 1989-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0373773U true JPH0373773U (en) | 1991-07-24 |
| JPH0542293Y2 JPH0542293Y2 (en) | 1993-10-25 |
Family
ID=31682938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13568789U Expired - Lifetime JPH0542293Y2 (en) | 1989-11-22 | 1989-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0542293Y2 (en) |
-
1989
- 1989-11-22 JP JP13568789U patent/JPH0542293Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542293Y2 (en) | 1993-10-25 |