JPH0368786U - - Google Patents
Info
- Publication number
- JPH0368786U JPH0368786U JP13112489U JP13112489U JPH0368786U JP H0368786 U JPH0368786 U JP H0368786U JP 13112489 U JP13112489 U JP 13112489U JP 13112489 U JP13112489 U JP 13112489U JP H0368786 U JPH0368786 U JP H0368786U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- striker
- striking
- engagement portion
- 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
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Description
第１図は本考案になる負荷状態の打撃工具の主
要部の一実施例を示す側断面図、第２図は第１図
のＣ−Ｃ線断面図、第３図は無負荷状態の打撃工
具の主要部の側断面図、第４図は本考案になるシ
リンダと中間打撃子の係合部の一実施例を示す側
断面拡大図、第５図は従来のシリンダと中間打撃
子の係合部の側断面拡大図、第６図は従来の打撃
工具の第１図のＣ−Ｃ線断面相当図である。
図において、８……ピストン、９……シリンダ
、１０……第１の空気室、１１……打撃子、１３
……中間打撃子、１９……回転係止部、２１……
流路、２５……中間打撃子外周のスプライン谷部
のホブ切上り位置、１７……先端工具である。
Fig. 1 is a side sectional view showing an embodiment of the main part of the impact tool of the present invention in a loaded state, Fig. 2 is a sectional view taken along the line C--C in Fig. 1, and Fig. 3 is an impact tool in an unloaded state. FIG. 4 is an enlarged side sectional view showing an embodiment of the engagement portion between the cylinder and the intermediate striker according to the present invention, and FIG. 5 is a side sectional view of the main part of the tool. FIG. 6 is an enlarged side cross-sectional view of the joint, and is a cross-sectional view corresponding to the line CC in FIG. 1 of the conventional impact tool. In the figure, 8... Piston, 9... Cylinder, 10... First air chamber, 11... Striker, 13
...Intermediate striker, 19...Rotation locking part, 21...
Flow path, 25... hob cut-up position of the spline trough on the outer periphery of the intermediate striker, 17... tip tool.
Claims (1)
軸支されかつ前記ピストンを案内するシリンダと
、該シリンダ内を摺動可能で空気室を介して前記
ピストンにより往復駆動される打撃子と、前記シ
リンダの前記ピストンと反対側端部に位置し、前
記シリンダ内周とスプライン係合し、限られた範
囲で前記シリンダ軸方向に移動可能な中間打撃子
を有する打撃工具において、空気の流路を確保す
るために、前記シリンダと前記中間打撃子とのス
プライン係合部に大きい隙間を設け、かつ、前記
中間打撃子外周のスプライン係合部の谷部のホブ
切上り位置を先端工具方向へ伸ばしたことを特徴
とする打撃工具の空打防止構造。 a reciprocating piston; a cylinder rotatably supported within a main body frame and guiding the piston; a striker that is slidable within the cylinder and reciprocated by the piston via an air chamber; A striking tool having an intermediate striking element located at the opposite end of the cylinder to the piston, spline engaged with the inner periphery of the cylinder, and movable in the axial direction of the cylinder within a limited range. In order to ensure this, a large gap is provided in the spline engagement portion between the cylinder and the intermediate striker, and the hob cutting position of the trough of the spline engagement portion on the outer periphery of the intermediate striker is extended toward the tip tool. A dry striking prevention structure for impact tools.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13112489U JPH0731976Y2 (en) | 1989-11-10 | 1989-11-10 | Structure to prevent hitting tools from hitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13112489U JPH0731976Y2 (en) | 1989-11-10 | 1989-11-10 | Structure to prevent hitting tools from hitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0368786U true JPH0368786U (en) | 1991-07-08 |
| JPH0731976Y2 JPH0731976Y2 (en) | 1995-07-26 |
Family
ID=31678649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13112489U Expired - Lifetime JPH0731976Y2 (en) | 1989-11-10 | 1989-11-10 | Structure to prevent hitting tools from hitting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0731976Y2 (en) |
-
1989
- 1989-11-10 JP JP13112489U patent/JPH0731976Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0731976Y2 (en) | 1995-07-26 |