JP5584408B2 - 空気式の打撃機構を有する手工具装置 - Google Patents
空気式の打撃機構を有する手工具装置 Download PDFInfo
- Publication number
- JP5584408B2 JP5584408B2 JP2008299556A JP2008299556A JP5584408B2 JP 5584408 B2 JP5584408 B2 JP 5584408B2 JP 2008299556 A JP2008299556 A JP 2008299556A JP 2008299556 A JP2008299556 A JP 2008299556A JP 5584408 B2 JP5584408 B2 JP 5584408B2
- Authority
- JP
- Japan
- Prior art keywords
- hand tool
- hole
- floating piston
- striking
- tool device
- 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.)
- Active
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
- B25D2211/06—Means for driving the impulse member
- B25D2211/061—Swash-plate actuated impulse-driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0011—Details of anvils, guide-sleeves or pistons
- B25D2217/0023—Pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2222/00—Materials of the tool or the workpiece
- B25D2222/21—Metals
- B25D2222/42—Steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/391—Use of weights; Weight properties of the tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Description
2 打撃機構
3 励起シリンダ
4 空気ばね
5 浮動ピストン
6 孔
7 縮径部
8 打撃面
9 半径方向膨大部
10 端面
11 半径方向溝
12 Oリング
13 工具
A 打撃軸線
B 孔直径
D ガイド直径
L 軸線方向長さ
Claims (9)
- 空気式の打撃機構(2)を有する手工具装置であって、この打撃機構(2)に、空気ばね(4)を介して打撃軸線(A)に沿って往復移動する浮動ピストン(5)を設けた手工具装置において、前記浮動ピストン(5)に、打撃軸線(A)に対してある角度をなして延在する孔(6)を設け、
打撃面(8)側とは反対側における、浮動ピストン(5)の端面(10)を平坦に構成し、
孔(6)の孔直径(B)が、ガイド直径(D)の1/2〜3/4の領域に存在するものとしたことを特徴とする手工具装置。 - 請求項1記載の装置において、浮動ピストン(5)を、スチールによって構成した手工具装置。
- 請求項1または2記載の装置において、浮動ピストン(5)が軸線方向長さ(L)を有し、この軸線方向長さ(L)を浮動ピストン(5)のガイド直径(D)の1〜1.5倍とした手工具装置。
- 請求項1〜3のいずれか一項に記載の装置において、軸線方向の前端部を、ボール状の打撃面(8)を設けた半径方向に縮小した縮径部(7)として構成した手工具装置。
- 請求項4記載の装置において、半径方向に縮小した縮径部(7)の打撃面(8)に近接する部分に半径方向膨大部(9)を設けた手工具装置。
- 請求項1〜5のいずれか一項に記載の装置において、端面(10)と孔(6)との間に、周方向に延在する半径方向溝(11)を設けた手工具装置。
- 請求項1〜6のいずれか一項に記載の装置において、孔(6)を打撃軸線(A)に対して中心に設けた手工具装置。
- 請求項1〜7のいずれか一項に記載の装置において、孔(6)の打撃軸線(A)に対する角度を90°とした手工具装置。
- 請求項1〜8のいずれか一項に記載の装置において、孔(6)を貫通孔とした手工具装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101964165A CN101444909B (zh) | 2007-11-27 | 2007-11-27 | 具有气动冲击装置的手持式工具机 |
CN200710196416.5 | 2007-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009125931A JP2009125931A (ja) | 2009-06-11 |
JP5584408B2 true JP5584408B2 (ja) | 2014-09-03 |
Family
ID=40457349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008299556A Active JP5584408B2 (ja) | 2007-11-27 | 2008-11-25 | 空気式の打撃機構を有する手工具装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7926586B2 (ja) |
EP (1) | EP2065139B1 (ja) |
JP (1) | JP5584408B2 (ja) |
CN (1) | CN101444909B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021074796A (ja) * | 2019-11-05 | 2021-05-20 | 株式会社マキタ | 打撃工具 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE1150383A1 (sv) * | 2011-05-03 | 2012-07-24 | Atlas Copco Rock Drills Ab | En slagöverföringsdel, och en borrmaskin innefattande en sådan slagöverföringsdel |
DE102011075765A1 (de) | 2011-05-12 | 2012-11-15 | Hilti Aktiengesellschaft | Handwerkzeugmaschine |
JP2013151055A (ja) * | 2012-01-26 | 2013-08-08 | Makita Corp | 打撃工具 |
DE102012209875A1 (de) * | 2012-06-13 | 2013-12-19 | Robert Bosch Gmbh | Schlagwerk |
DE102013202000A1 (de) * | 2013-02-07 | 2014-08-07 | Hilti Aktiengesellschaft | Werkzeugmaschine |
EP2910336A1 (de) * | 2014-02-21 | 2015-08-26 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
DE102017209829A1 (de) * | 2017-06-12 | 2018-12-13 | Robert Bosch Gmbh | Handwerkzeugmaschine |
CN107627263B (zh) * | 2017-09-30 | 2023-11-10 | 苏州宝时得电动工具有限公司 | 电锤 |
CN110125454B (zh) * | 2019-06-17 | 2021-07-30 | 上海同叶应用技术发展中心 | 一种矿山开采勘测用机器人 |
CN116220540A (zh) * | 2023-03-06 | 2023-06-06 | 徐州徐工基础工程机械有限公司 | 一种冲击零件及冲击机构 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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GB189711793A (en) * | 1897-05-12 | 1898-05-07 | John Warren | An Improved Hub for Cycle and other Wheels. |
DE494775C (de) * | 1928-12-09 | 1930-03-28 | Siemens Schuckertwerke Akt Ges | Einrichtung zum Schmieren von mechanisch angetriebenen Schlaggeraeten |
US2283292A (en) | 1941-03-20 | 1942-05-19 | Ingersoll Rand Co | Percussive tool |
US2533487A (en) * | 1946-08-15 | 1950-12-12 | Chicago Pneumatic Tool Co | Gas hammer |
GB659331A (en) * | 1949-03-30 | 1951-10-24 | Atlas Diesel Ab | Improvements in pressure fluid driven hammer pistons for hammer drills and other percussion tools |
US3402776A (en) | 1965-05-12 | 1968-09-24 | Evgeny Vsevolodovich Alexandrov | Device for impact loading a solid body |
DE1809016A1 (de) * | 1968-11-15 | 1970-06-18 | Fein C & E | Elektromotorisch angetriebenes schutzisoliertes Nagler-Handwerkszeug |
DE2449191C2 (de) * | 1974-10-16 | 1988-03-24 | Robert Bosch Gmbh, 7000 Stuttgart | Hammer |
JPS5828779Y2 (ja) * | 1978-07-15 | 1983-06-23 | 株式会社山田重機 | 鏨の撃打装置 |
JPS59100670U (ja) * | 1982-12-27 | 1984-07-07 | 自動車機器株式会社 | 動力舵取装置のピストン |
SE500864C2 (sv) * | 1989-10-28 | 1994-09-19 | Berema Atlas Copco Ab | Dämpanordning vid slagverk |
DE4215288A1 (de) * | 1991-07-08 | 1993-01-14 | Bosch Gmbh Robert | Bohrhammer |
JPH0720274U (ja) * | 1993-09-27 | 1995-04-11 | ヨコタ工業株式会社 | エアーハンマ |
DE19540396A1 (de) * | 1995-10-30 | 1997-05-07 | Hilti Ag | Bohr- und/oder Meisselgerät |
JP2001096474A (ja) * | 1999-09-28 | 2001-04-10 | Makita Corp | 打撃工具 |
EP1238759B1 (en) * | 2001-03-07 | 2003-12-17 | Black & Decker Inc. | Hammer |
EP1468789A3 (en) * | 2003-04-17 | 2008-06-04 | BLACK & DECKER INC. | Clutch for rotary power tool and rotary power tool incorporating such clutch |
DE102005019710A1 (de) * | 2005-04-28 | 2006-11-09 | Robert Bosch Gmbh | Handwerkzeugmaschinenschlagwerkeinheit |
DE102007000393A1 (de) * | 2007-07-19 | 2009-01-22 | Hilti Aktiengesellschaft | Handwerkzeugmaschine mit pneumatischem Schlagwerk |
-
2007
- 2007-11-27 CN CN2007101964165A patent/CN101444909B/zh active Active
-
2008
- 2008-11-07 EP EP08105745.7A patent/EP2065139B1/de active Active
- 2008-11-19 US US12/313,485 patent/US7926586B2/en active Active
- 2008-11-25 JP JP2008299556A patent/JP5584408B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021074796A (ja) * | 2019-11-05 | 2021-05-20 | 株式会社マキタ | 打撃工具 |
JP7412135B2 (ja) | 2019-11-05 | 2024-01-12 | 株式会社マキタ | 打撃工具 |
Also Published As
Publication number | Publication date |
---|---|
CN101444909A (zh) | 2009-06-03 |
US20090133893A1 (en) | 2009-05-28 |
JP2009125931A (ja) | 2009-06-11 |
CN101444909B (zh) | 2013-03-27 |
EP2065139B1 (de) | 2017-03-15 |
EP2065139A1 (de) | 2009-06-03 |
US7926586B2 (en) | 2011-04-19 |
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