JPS62176198U - - Google Patents
Info
- Publication number
- JPS62176198U JPS62176198U JP6310386U JP6310386U JPS62176198U JP S62176198 U JPS62176198 U JP S62176198U JP 6310386 U JP6310386 U JP 6310386U JP 6310386 U JP6310386 U JP 6310386U JP S62176198 U JPS62176198 U JP S62176198U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- spool
- forklift
- lift cylinder
- tick
- 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
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は本考案に使用するコントロールバルブ
の実施例における断面図、第２図及び第３図は第
１図に示したコントロールバルブの作動説明図で
ある。第４図は本考案のバルブを搭載するフオー
クリフトの外観図、第５図は従来のコントロール
バルブの断面図である。
１……切換弁、２……スプール、４……ポペツ
トバルブ、６……リフトシリンダ、１５……チエ
ツクバルブ。
FIG. 1 is a sectional view of an embodiment of the control valve used in the present invention, and FIGS. 2 and 3 are explanatory views of the operation of the control valve shown in FIG. 1. FIG. 4 is an external view of a forklift equipped with the valve of the present invention, and FIG. 5 is a sectional view of a conventional control valve. 1...Switching valve, 2...Spool, 4...Poppet valve, 6...Lift cylinder, 15...Check valve.
Claims (1)
シリンダを切換える切換弁のスプールとの間にポ
ペツトバルブを設置し、前記ポペツトバルブの後
部室とタンクポートとの通路にチツクバルブを設
け、前記チツクバルブを前記スプールと連動する
カムによつて開閉するようにしたことを特徴とす
るフオークリフトの自然降下防止装置。 A poppet valve is installed between a lift cylinder that raises and lowers a load and a spool of a switching valve that switches the lift cylinder, a tick valve is installed in a passage between a rear chamber of the poppet valve and a tank port, and a cam that interlocks the tick valve with the spool is provided. A natural descent prevention device for a forklift, characterized in that it is opened and closed by a forklift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6310386U JPS62176198U (en) | 1986-04-28 | 1986-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6310386U JPS62176198U (en) | 1986-04-28 | 1986-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62176198U true JPS62176198U (en) | 1987-11-09 |
Family
ID=30898013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6310386U Pending JPS62176198U (en) | 1986-04-28 | 1986-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62176198U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4825199B1 (en) * | 1969-03-28 | 1973-07-26 | ||
| JPS506140U (en) * | 1973-05-11 | 1975-01-22 |
-
1986
- 1986-04-28 JP JP6310386U patent/JPS62176198U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4825199B1 (en) * | 1969-03-28 | 1973-07-26 | ||
| JPS506140U (en) * | 1973-05-11 | 1975-01-22 |