JPH0484290U - - Google Patents
Info
- Publication number
- JPH0484290U JPH0484290U JP12585890U JP12585890U JPH0484290U JP H0484290 U JPH0484290 U JP H0484290U JP 12585890 U JP12585890 U JP 12585890U JP 12585890 U JP12585890 U JP 12585890U JP H0484290 U JPH0484290 U JP H0484290U
- Authority
- JP
- Japan
- Prior art keywords
- air pressure
- air
- cylinder
- piston rod
- air cylinder
- 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
- 230000003028 elevating effect Effects 0.000 description 2
Landscapes
- Movable Scaffolding (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図〜第４図は本考案の高所作業用エアシリ
ンダ式リフタの昇降操作装置の実施例１を示す。
第１図はエアシリンダの上部の縦断面図、第２図
はエア圧抜き弁の縦断面図、第３図はリフタを最
上昇させた状態の全体の斜視図、第４図はリフタ
を最下降させた状態の要部の縦断正面図である。
第５図は従来技術のリフタを最下降させた状態の
正面図である。
１……エアシリンダ、２……シリンダ本体、３
……エア給排用ホース、４……昇降操作弁、５…
…エア圧送用ホース、６……エア圧供給源、７…
…ピストンロツド、８……荷台、１１……エア抜
き路、１２……入口、１３……シリンダ胴、１４
……シリンダ室、１５……出口、１６……エア圧
抜き弁、１７……弁操作具。
1 to 4 show a first embodiment of the elevating and lowering operating device for an air cylinder type lifter for high-altitude work according to the present invention.
Figure 1 is a vertical cross-sectional view of the upper part of the air cylinder, Figure 2 is a vertical cross-sectional view of the air pressure release valve, Figure 3 is a perspective view of the entire lifter in its highest position, and Figure 4 is a vertical cross-sectional view of the upper part of the air cylinder. FIG. 3 is a longitudinal sectional front view of the main part in a lowered state.
FIG. 5 is a front view of the prior art lifter in its lowest position. 1...Air cylinder, 2...Cylinder body, 3
...Air supply/discharge hose, 4...Elevating operation valve, 5...
...Air pressure supply hose, 6...Air pressure supply source, 7...
... Piston rod, 8 ... Loading platform, 11 ... Air vent passage, 12 ... Inlet, 13 ... Cylinder body, 14
... Cylinder chamber, 15 ... Outlet, 16 ... Air pressure relief valve, 17 ... Valve operating tool.
Claims (1)
リンダ本体２の下部内に、エア給排用ホース３・
昇降操作弁４・およびエア圧送用ホース５を介し
て、エア圧供給源６を接続し、 上記エアシリンダ１の上部に位置するピストン
ロツド７に荷台８を支持させ て構成したエアシリンダ式リフタの昇降操作装置
において、 上記ピストンロツド７の内部にエア圧抜き路１
１を形成し、このエア圧抜き路１１の入口１２を
そのピストンロツド７の１つ下のシリンダ胴１３
のシリンダ室１４に臨ませて開口し、このエア圧
抜き路１１の出口１５を大気中に臨ませて開口し
、 上記シリンダ室１４から上記入口１２・上記エ
ア圧抜き路１１および上記出口１５を経て大気中
に至るまでの間に、エア圧抜き弁１６を介在させ て構成した時を特徴とするエアシリンダ式リフタ
の昇降操作装置。[Scope of Claim for Utility Model Registration] An air supply/discharge hose 3 is installed in the lower part of the cylinder body 2 located at the lower part of the air cylinder 1 in an upright position.
Lifting and lowering of an air cylinder type lifter configured by connecting an air pressure supply source 6 through a lift operation valve 4 and an air pressure feeding hose 5, and supporting a loading platform 8 on a piston rod 7 located at the upper part of the air cylinder 1. In the operating device, an air pressure release passage 1 is provided inside the piston rod 7.
1, and the inlet 12 of this air pressure release passage 11 is connected to the cylinder body 13 one position below the piston rod 7.
The outlet 15 of the air pressure relief passage 11 is opened facing the atmosphere, and the inlet 12, the air pressure relief passage 11 and the outlet 15 are connected from the cylinder chamber 14 to the cylinder chamber 14. An air cylinder type lifter lifting/lowering operating device characterized in that an air pressure relief valve 16 is interposed between the air cylinder and the atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12585890U JPH07475Y2 (en) | 1990-11-27 | 1990-11-27 | Lifting device for air cylinder lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12585890U JPH07475Y2 (en) | 1990-11-27 | 1990-11-27 | Lifting device for air cylinder lifter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0484290U true JPH0484290U (en) | 1992-07-22 |
| JPH07475Y2 JPH07475Y2 (en) | 1995-01-11 |
Family
ID=31873438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12585890U Expired - Lifetime JPH07475Y2 (en) | 1990-11-27 | 1990-11-27 | Lifting device for air cylinder lifter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07475Y2 (en) |
-
1990
- 1990-11-27 JP JP12585890U patent/JPH07475Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07475Y2 (en) | 1995-01-11 |
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