JPS6391386U - - Google Patents
Info
- Publication number
- JPS6391386U JPS6391386U JP18441286U JP18441286U JPS6391386U JP S6391386 U JPS6391386 U JP S6391386U JP 18441286 U JP18441286 U JP 18441286U JP 18441286 U JP18441286 U JP 18441286U JP S6391386 U JPS6391386 U JP S6391386U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- piston
- gas
- valve
- compressed
- 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
Landscapes
- Percussive Tools And Related Accessories (AREA)
Description
図面は本考案の実施例を示すもので、第１〜第
４図は本実施例に係るガス式油圧打撃工具の各作
動状態を夫々示す縦断面図、第５図はバルブ形状
の異つた他の実施例を示す縦断面図である。
１…ガス式油圧打撃工具、２…シリンダ本体、
３…ピストン部材、３ａ…ピストン部、５…前室
、６…後室、７…ガス室、８…バルブ作動室、９
…バルブ、１５…圧縮気体通路。
The drawings show an embodiment of the present invention, and Figs. 1 to 4 are longitudinal sectional views showing each operating state of the gas-powered hydraulic impact tool according to the embodiment, and Fig. 5 shows a valve with a different shape. FIG. 1... Gas hydraulic impact tool, 2... Cylinder body,
3... Piston member, 3a... Piston part, 5... Front chamber, 6... Rear chamber, 7... Gas chamber, 8... Valve operating chamber, 9
...Valve, 15...Compressed gas passage.
Claims (1)
ンと、該ピストンにより画成された前室および後
室と、該前室と油圧源とを接続し且つ後室をドレ
ンさせて上記ピストンを後退させると共に、該後
室と油圧源とを接続し且つ前室をドレンさせ、あ
るいは該後室と油圧源とを接続し、もしくは該前
室をドレンさせて上記ピストンを前進させるバル
ブと、上記シリンダ本体内における上記ピストン
の後端部に設けられて圧縮気体が封入されたガス
室とを有するガス式油圧打撃工具において、上記
バルブが摺動可能状態に内装されたバルブ作動室
と上記ガス室との間に、上記ピストンの後退時に
圧縮されるガス室内の圧縮気体の圧力により上記
バルブを、ピストンを前進させる状態に切換える
ための圧縮気体通路を設けたことを特徴とするガ
ス式油圧打撃工具。 A piston slidably installed inside the cylinder body, a front chamber and a rear chamber defined by the piston, and a hydraulic power source connected to the front chamber, and the rear chamber is drained to move the piston back. a valve that connects the rear chamber and a hydraulic source and drains the front chamber, or connects the rear chamber and a hydraulic source or drains the front chamber to advance the piston; A gas-type hydraulic impact tool having a gas chamber provided at the rear end of the piston in the main body and filled with compressed gas, the valve operating chamber in which the valve is slidably housed, and the gas chamber. A gas-type hydraulic impact tool characterized in that a compressed gas passage for switching the valve to a state in which the piston is advanced by the pressure of compressed gas in the gas chamber that is compressed when the piston is retracted is provided between the piston and the gas chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18441286U JPH0536631Y2 (en) | 1986-11-29 | 1986-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18441286U JPH0536631Y2 (en) | 1986-11-29 | 1986-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6391386U true JPS6391386U (en) | 1988-06-13 |
| JPH0536631Y2 JPH0536631Y2 (en) | 1993-09-16 |
Family
ID=31132059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18441286U Expired - Lifetime JPH0536631Y2 (en) | 1986-11-29 | 1986-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0536631Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014004647A (en) * | 2012-06-22 | 2014-01-16 | Nippon Pneumatic Mfg Co Ltd | Impact dynamic tool |
-
1986
- 1986-11-29 JP JP18441286U patent/JPH0536631Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014004647A (en) * | 2012-06-22 | 2014-01-16 | Nippon Pneumatic Mfg Co Ltd | Impact dynamic tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0536631Y2 (en) | 1993-09-16 |