JPS6244106U - - Google Patents
Info
- Publication number
- JPS6244106U JPS6244106U JP13633585U JP13633585U JPS6244106U JP S6244106 U JPS6244106 U JP S6244106U JP 13633585 U JP13633585 U JP 13633585U JP 13633585 U JP13633585 U JP 13633585U JP S6244106 U JPS6244106 U JP S6244106U
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- switching valve
- spool
- oil
- remote control
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
- Fluid-Driven Valves (AREA)
- Multiple-Way Valves (AREA)
Description
第１図は本考案の油圧回路図、第２図は本考案
のパイロツト切換弁の断面図、第３図、第４図、
第５図はいずれも第２図のＡ部の拡大図で考案の
実施例、第６図、第７図はいずれも第２図のＡ部
の拡大図で考案の他の実施例、第８図は従来技術
の油圧回路図、第９図は従来技術のパイロツト切
換弁の断面図である。
１……パイロツト切換弁、８……戻り油路、１
６……リモートコントロール弁、２２，２４……
パイロツト油室、２３，２５……パイロツト油路
、２７……スプール、３６，３７……切込み。
Figure 1 is a hydraulic circuit diagram of the present invention, Figure 2 is a sectional view of the pilot switching valve of the present invention, Figures 3 and 4,
Fig. 5 is an enlarged view of part A in Fig. 2, showing an embodiment of the invention, and Figs. 6 and 7 are enlarged views of part A in Fig. 2, showing another embodiment of the invention. The figure is a hydraulic circuit diagram of the prior art, and FIG. 9 is a sectional view of the pilot switching valve of the prior art. 1...Pilot switching valve, 8...Return oil path, 1
6...Remote control valve, 22, 24...
Pilot oil chamber, 23, 25... Pilot oil path, 27... Spool, 36, 37... Notch.
Claims (1)
結されたパイロツト切換弁において、該パイロツ
ト切換弁のスプールの両側端より若干内方によつ
た位置に、該スプールの反対側にパイロツト圧が
作用したとき、パイロツト油室と戻り油路とを短
時間だけ連通する流通路を設けたことよりなる切
換弁。 In a pilot switching valve connected to a remote control valve by a pilot oil passage, when pilot pressure is applied to the opposite side of the spool at a position slightly inward from both ends of the spool of the pilot switching valve, the pilot oil A switching valve that has a flow path that communicates between the chamber and the return oil path for a short period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985136335U JPH0339603Y2 (en) | 1985-09-05 | 1985-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985136335U JPH0339603Y2 (en) | 1985-09-05 | 1985-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6244106U true JPS6244106U (en) | 1987-03-17 |
| JPH0339603Y2 JPH0339603Y2 (en) | 1991-08-21 |
Family
ID=31039345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985136335U Expired JPH0339603Y2 (en) | 1985-09-05 | 1985-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0339603Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017002947A (en) * | 2015-06-05 | 2017-01-05 | 日立建機株式会社 | Air bleeding device of construction machine |
| JP2018159401A (en) * | 2017-03-22 | 2018-10-11 | 株式会社クボタ | Hydraulic system for work machine |
| JP2020122537A (en) * | 2019-01-31 | 2020-08-13 | キャタピラー エス エー アール エル | Construction machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4900671B2 (en) * | 2006-03-14 | 2012-03-21 | キャタピラー エス エー アール エル | Electronic control valve calibration device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS478889U (en) * | 1971-03-05 | 1972-10-03 | ||
| JPS5718805A (en) * | 1980-07-10 | 1982-01-30 | Ckd Corp | Controller for pneumatic cylinder and the like |
-
1985
- 1985-09-05 JP JP1985136335U patent/JPH0339603Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS478889U (en) * | 1971-03-05 | 1972-10-03 | ||
| JPS5718805A (en) * | 1980-07-10 | 1982-01-30 | Ckd Corp | Controller for pneumatic cylinder and the like |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017002947A (en) * | 2015-06-05 | 2017-01-05 | 日立建機株式会社 | Air bleeding device of construction machine |
| JP2018159401A (en) * | 2017-03-22 | 2018-10-11 | 株式会社クボタ | Hydraulic system for work machine |
| JP2020122537A (en) * | 2019-01-31 | 2020-08-13 | キャタピラー エス エー アール エル | Construction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0339603Y2 (en) | 1991-08-21 |