JPS62114248U - - Google Patents
Info
- Publication number
- JPS62114248U JPS62114248U JP234686U JP234686U JPS62114248U JP S62114248 U JPS62114248 U JP S62114248U JP 234686 U JP234686 U JP 234686U JP 234686 U JP234686 U JP 234686U JP S62114248 U JPS62114248 U JP S62114248U
- Authority
- JP
- Japan
- Prior art keywords
- spool
- shaft
- switching valve
- insertion hole
- certain range
- 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.)
- Pending
Links
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Multiple-Way Valves (AREA)
- Gear-Shifting Mechanisms (AREA)
Description
第１図は本考案にかかる切換バルブを前後進切
換バルブに適用した一例の断面図、第２図は第１
図の要部の分解斜視図、第３図〜第５図は切換バ
ルブの動作を説明するための半断面図である。
Ａ……切換バルブ、８……シヤフト、９……挿
入孔、１０……切溝、１３……スプール、１４…
…切欠、１６……キー、１７……ピストン。
Figure 1 is a sectional view of an example of the switching valve according to the present invention applied to a forward/reverse switching valve, and Figure 2 is a cross-sectional view of an example of the switching valve according to the present invention applied to a forward/reverse switching valve.
3 to 5 are half sectional views for explaining the operation of the switching valve. A...Switching valve, 8...Shaft, 9...Insertion hole, 10...Groove, 13...Spool, 14...
...notch, 16...key, 17...piston.
Claims (1)
トと一定範囲相対移動可能に連結された油路切換
用スプールとを備えた切換バルブにおいて、上記
シヤフトの一端部軸心にスプールの一端部が摺動
自在に挿入される挿入孔を形成し、該スプールの
挿入側端部に軸方向の一定範囲の切欠を形成し、
上記シヤフトの外側面に上記挿入孔に至る切溝を
設け、該切溝に上記スプールの切欠と係合する半
月状キーを挿入し、かつ該キーの外周面をシヤフ
トに外嵌されたピストンの内周面で抜け止め保持
したことを特徴とする切換バルブ。 A switching valve that includes a piston that is fitted and fixed to a shaft, and an oil passage switching spool that is connected to the shaft for relative movement within a certain range, in which one end of the spool is slidable around the axis of one end of the shaft. forming an insertion hole to be inserted into the spool, and forming a notch in a certain range in the axial direction at the insertion side end of the spool;
A cut groove leading to the insertion hole is provided on the outer surface of the shaft, a half-moon-shaped key that engages with the cutout of the spool is inserted into the cut groove, and the outer peripheral surface of the key is inserted into the outer circumferential surface of the piston fitted onto the shaft. A switching valve characterized by a retaining mechanism on the inner circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP234686U JPS62114248U (en) | 1986-01-11 | 1986-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP234686U JPS62114248U (en) | 1986-01-11 | 1986-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62114248U true JPS62114248U (en) | 1987-07-21 |
Family
ID=30781102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP234686U Pending JPS62114248U (en) | 1986-01-11 | 1986-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62114248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009095221A (en) * | 2007-05-17 | 2009-04-30 | Nsk Ltd | Actuator |
-
1986
- 1986-01-11 JP JP234686U patent/JPS62114248U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009095221A (en) * | 2007-05-17 | 2009-04-30 | Nsk Ltd | Actuator |