JPH0486179U - - Google Patents
Info
- Publication number
- JPH0486179U JPH0486179U JP12990290U JP12990290U JPH0486179U JP H0486179 U JPH0486179 U JP H0486179U JP 12990290 U JP12990290 U JP 12990290U JP 12990290 U JP12990290 U JP 12990290U JP H0486179 U JPH0486179 U JP H0486179U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- threaded portion
- drive bit
- driving machine
- driving
- 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
- 239000012530 fluid Substances 0.000 claims 1
Landscapes
- Portable Nailing Machines And Staplers (AREA)
Description
第1図は本考案による打ち込み機のピストン構
造の一実施例の断面図、第2図は同じくピストン
とドライブビツトの結合部の加圧前の状態を示す
部分断面図、第3図は第2図の−線における
断面図、第4図は同じく結合部加圧後の固着状態
を示す部分断面図、第5図は第4図の−線に
おける断面図、第6図、第7図は本考案のそれぞ
れ異なる他の実施例の断面図、第8図は従来の打
ち込み機の全体を示す部分断面をした側面図、第
9図と第11図は、それぞれ異なる従来技術のピ
ストン構造の断面図、第10図は第9図の部の
部分断面図である。
1……ピストン、2……ドライブビツト、3…
…ねじ、4……環状溝、6……押型、9……打ち
込み機本体、10……蓄圧室、13……シリンダ
、15……止め具。
FIG. 1 is a cross-sectional view of an embodiment of the piston structure of a driving machine according to the present invention, FIG. 4 is a partial sectional view showing the fixed state after pressurizing the joint, FIG. 5 is a sectional view taken along the - line in FIG. 4, and FIGS. 6 and 7 are the main parts. 8 is a partially sectional side view showing the entire conventional driving machine, and FIGS. 9 and 11 are sectional views of different prior art piston structures. , FIG. 10 is a partial cross-sectional view of the portion shown in FIG. 9. 1... Piston, 2... Drive bit, 3...
... Screw, 4 ... Annular groove, 6 ... Pressing mold, 9 ... Driving machine body, 10 ... Pressure accumulator, 13 ... Cylinder, 15 ... Stopper.
Claims (1)
を打ち込むドライブビツトと、ピストンと、前記
ピストンが摺動するシリンダとを含む打ち込み機
において、 前記ドライブビツトと前記ピストンの嵌合部の
一部にねじ部を設けて螺着部を構成し、前記ドラ
イブビツトのねじの螺合方向と同じ方向に一本ま
たは複数本の環状溝を設け、前記環状溝に前記ピ
ストンの一部を押圧して変形させ、前記ドライブ
ビツトと前記ピストンの回り止めを図ることを特
徴とする打ち込み機のピストン構造。[Claims for Utility Model Registration] A driving machine including a pressure accumulating chamber for storing a compressible fluid, a drive bit for driving a stopper, a piston, and a cylinder on which the piston slides, comprising: A threaded portion is provided in a part of the fitting portion of the piston to constitute a threaded portion, one or more annular grooves are provided in the same direction as the screwing direction of the screw of the drive bit, and the annular groove is provided with the threaded portion. A piston structure for a driving machine, characterized in that a part of the piston is pressed and deformed to prevent the drive bit and the piston from rotating.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12990290U JPH0486179U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12990290U JPH0486179U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0486179U true JPH0486179U (en) | 1992-07-27 |
Family
ID=31877279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12990290U Pending JPH0486179U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0486179U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005007565A (en) * | 2003-05-26 | 2005-01-13 | Hitachi Koki Co Ltd | Driving machine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5370257A (en) * | 1976-12-03 | 1978-06-22 | Rhythm Motor Parts Mfg | Method of preventing nut from turning |
JPS5831981B2 (en) * | 1979-04-11 | 1983-07-09 | バ−カ−・アレスタ−株式会社 | Automatic coating agent spray applicator |
-
1990
- 1990-11-30 JP JP12990290U patent/JPH0486179U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5370257A (en) * | 1976-12-03 | 1978-06-22 | Rhythm Motor Parts Mfg | Method of preventing nut from turning |
JPS5831981B2 (en) * | 1979-04-11 | 1983-07-09 | バ−カ−・アレスタ−株式会社 | Automatic coating agent spray applicator |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005007565A (en) * | 2003-05-26 | 2005-01-13 | Hitachi Koki Co Ltd | Driving machine |
JP4505796B2 (en) * | 2003-05-26 | 2010-07-21 | 日立工機株式会社 | Driving machine |