JPS62153466U - - Google Patents
Info
- Publication number
- JPS62153466U JPS62153466U JP3976086U JP3976086U JPS62153466U JP S62153466 U JPS62153466 U JP S62153466U JP 3976086 U JP3976086 U JP 3976086U JP 3976086 U JP3976086 U JP 3976086U JP S62153466 U JPS62153466 U JP S62153466U
- Authority
- JP
- Japan
- Prior art keywords
- spool
- valve hole
- wall
- valve
- notch
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
Landscapes
- Sliding Valves (AREA)
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Description
第1図は本考案の実施例の油圧調整弁を示す図
、第2図は第1図の―線に沿う断面図、第3
図は無段変速機の動力伝達機構を示す図、第4図
は無段変速機の油圧制御装置を示す図、第5図は
半円形の切欠き部を示す図、第6図は台形の切欠
き部を示す図、第7図はスプールに設けた切欠き
部を示す図、第8図は第7図の―線に沿つて
見た図、第9図はスプールに設けた台形の切欠き
部を示す図、第10図はスプールに設けた別の切
欠き部を示す図である。
116……油圧調整弁、204……弁穴、20
4b……元圧入力ポート、204c……調整圧力
出力ポート、204d……ドレーンポート、20
6……スプール、206ba……第1ランド、2
06b……第2ランド、900,902……壁部
、904,906……切欠き部。
Fig. 1 is a diagram showing a hydraulic pressure regulating valve according to an embodiment of the present invention, Fig. 2 is a sectional view taken along the line - in Fig. 1, and Fig.
The figure shows the power transmission mechanism of the continuously variable transmission, Fig. 4 shows the hydraulic control device of the continuously variable transmission, Fig. 5 shows the semicircular notch, and Fig. 6 shows the trapezoidal cutout. Figure 7 is a diagram showing the notch provided in the spool, Figure 8 is a diagram taken along the - line in Figure 7, and Figure 9 is a diagram showing the trapezoidal notch provided in the spool. FIG. 10 is a diagram showing another notch provided in the spool. 116...Hydraulic pressure adjustment valve, 204...Valve hole, 20
4b... Source pressure input port, 204c... Adjustment pressure output port, 204d... Drain port, 20
6...Spool, 206ba...1st land, 2
06b...Second land, 900,902...Wall portion, 904,906...Notch portion.
Claims (1)
ト、調整圧出力ポート及びドレーンポートを有す
る弁穴と、この弁穴にはめ合わされるスプールと
、を有し、スプールは元圧入力ポートから調整圧
出力ポートへ油が流入するすきまを調整する第1
ランドと、調整圧出力ポートからドレーンポート
へ油が流出するすきまを調整する第2ランドと、
を有しており、スプールの第1及び第2ランドと
弁穴の壁部との関係はオーバーラツプ状態とされ
ている油圧調整弁において、 スプールの第1及び第2ランド又は弁穴の壁部
にオーバーラツプ量を減少させるように切欠き部
が設けられており、切欠き部はこれが設けられた
部分に関してもオーバーラツプ状態が確保される
大きさとしてあることを特徴とする油圧調整弁。[Claims for Utility Model Registration] A valve hole having a source pressure input port, a regulating pressure output port, and a drain port, each separated by a wall, and a spool fitted into the valve hole. is the first valve that adjusts the gap where oil flows from the source pressure input port to the adjustment pressure output port.
a second land that adjusts the gap where oil flows from the adjustment pressure output port to the drain port;
The relationship between the first and second lands of the spool and the wall of the valve hole is such that in a hydraulic pressure regulating valve where the relationship between the first and second lands of the spool and the wall of the valve hole is in an overlapping state, the relationship between the first and second lands of the spool or the wall of the valve hole is A hydraulic pressure regulating valve characterized in that a notch is provided to reduce the amount of overlap, and the notch is sized to ensure an overlapping state even in the portion where the notch is provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3976086U JPS62153466U (en) | 1986-03-20 | 1986-03-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3976086U JPS62153466U (en) | 1986-03-20 | 1986-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62153466U true JPS62153466U (en) | 1987-09-29 |
Family
ID=30853229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3976086U Pending JPS62153466U (en) | 1986-03-20 | 1986-03-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62153466U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9429240B2 (en) | 2013-07-05 | 2016-08-30 | Komatsu Ltd. | Valve device |
-
1986
- 1986-03-20 JP JP3976086U patent/JPS62153466U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9429240B2 (en) | 2013-07-05 | 2016-08-30 | Komatsu Ltd. | Valve device |
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