JP2002337069A - Impact tool - Google Patents
Impact toolInfo
- Publication number
- JP2002337069A JP2002337069A JP2001141525A JP2001141525A JP2002337069A JP 2002337069 A JP2002337069 A JP 2002337069A JP 2001141525 A JP2001141525 A JP 2001141525A JP 2001141525 A JP2001141525 A JP 2001141525A JP 2002337069 A JP2002337069 A JP 2002337069A
- Authority
- JP
- Japan
- Prior art keywords
- tool
- grip
- tool holding
- impact
- case
- 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)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、サイドハンドルを
着脱可能な電気ハンマ等の衝撃工具に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an impact tool such as an electric hammer to which a side handle can be attached and detached.
【０００２】[0002]
【従来の技術】電気ハンマ等の衝撃工具には、工具保持
部周辺に着脱可能にサイドハンドルを取付けた構成をし
たものがあり、これは打撃機構部を収納する打撃機構部
ケースと、工具保持機能を有する工具保持部との間に、
打撃機構部ケース及び工具保持部の外径よりも小径なサ
イドハンドル取付け部を設け、このサイドハンドル取付
け部にサイドハンドルを取付ける構成をしていた。2. Description of the Related Art Some impact tools such as an electric hammer have a structure in which a side handle is detachably mounted around a tool holding portion. Between the tool holding part with the function,
A side handle mounting portion smaller in diameter than the outer diameter of the impact mechanism case and the tool holding portion is provided, and the side handle is mounted on the side handle mounting portion.
【０００３】[0003]
【発明が解決しようとする課題】上記したような従来の
衝撃工具では、壁際等での作業の際にサイドハンドルが
邪魔になる等して本体からサイドハンドルを取外して作
業を行う際、作業状態を安定させるために工具保持部あ
るいは打撃機構部ケースを把持した状態で作業を行う場
合があるが、この際には上記したサイドハンドル取付け
部が打撃機構部ケース及び工具保持部よりも小径に形成
され、段差となっている共に把持部分がサイドハンドル
取付け部のために狭くなるため、工具保持部あるいは打
撃機構部ケースを把持し難くく作業状態が安定しないと
いう欠点があった。In the conventional impact tool as described above, when the work is performed by removing the side handle from the main body due to the side handle obstructing the work at the side of a wall or the like. In order to stabilize the work, the work may be performed while holding the tool holding part or the hitting mechanism case. In this case, the side handle mounting part is formed with a smaller diameter than the hitting mechanism part case and the tool holding part. In addition, since both the steps and the grip portion become narrow due to the side handle mounting portion, there is a disadvantage that it is difficult to grip the tool holding portion or the hitting mechanism portion case and the working state is unstable.
【０００４】本発明の目的は、上記した欠点を解消し、
サイドハンドルを取外した状態においても安定した作業
状態を得ることができる衝撃工具を提供することであ
る。[0004] It is an object of the present invention to overcome the disadvantages mentioned above,
An object of the present invention is to provide an impact tool capable of obtaining a stable working state even when a side handle is removed.
【０００５】[0005]
【課題を解決するための手段】上記の目的は、工具保持
部あるいは打撃機構部ケースに工具軸方向に移動可能
で、サイドハンドル取付け部を覆うことができるグリッ
プを設けることにより達成される。The above object is achieved by providing a grip which is movable in the tool axis direction and which can cover a side handle mounting portion on a tool holding portion or a hitting mechanism portion case.
【０００６】[0006]
【発明の実施の形態】以下、本発明衝撃工具の一実施形
態を図１〜図３を用いて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the impact tool according to the present invention will be described below with reference to FIGS.
【０００７】図示しないシリンダ、ピストン、ハンマ、
中間子等を有する打撃機構部を収納する打撃機構部ケー
ス７の図示左側には、先端工具１を取付け及び取外し可
能な工具保持機能を有する工具保持部４が設けられてお
り、打撃機構部ケース７と工具保持部４との間には打撃
機構部ケース７及び工具保持部４の外径よりも小径なサ
イドハンドル取付け部９が設けられている。なお、工具
保持部４は断面が円形状に形成されており、打撃機構部
ケース７及びフランジ部２ａは断面がほぼ四角形状に形
成されており、工具保持部４の外径寸法と打撃機構部ケ
ース７の図示上面から図示下面までの外径寸法はほぼ同
一となっている。また、工具保持部４外周は把持可能な
ように弾性材から形成されている。[0007] A cylinder, piston, hammer,
A tool holding section 4 having a tool holding function capable of attaching and detaching the tip tool 1 is provided on the left side of the hitting mechanism section case 7 for accommodating a hitting mechanism section having a meson and the like. A hitting mechanism section case 7 and a side handle mounting section 9 having a diameter smaller than the outer diameter of the tool holding section 4 are provided between the tool holding section 4 and the impact mechanism section case 7. The tool holder 4 has a circular cross section, the impact mechanism case 7 and the flange 2a have a substantially rectangular cross section, and the outer diameter of the tool holder 4 and the impact mechanism are different. The outer diameter of the case 7 from the illustrated upper surface to the illustrated lower surface is substantially the same. The outer periphery of the tool holding portion 4 is formed of an elastic material so as to be grippable.
【０００８】詳細には、打撃機構部ケース７に固定され
たフロントカバー２の先端にはフロントキャップ３が嵌
着されていると共に、フロントカバー２の外周には工具
保持部４が工具軸方向に移動不能かつ回動可能に係合さ
れており、工具保持部４はフロントカバー２に対する回
動位置によって先端工具１を取付け及び取外し可能な構
成となっている。工具保持部４内には図３に示すよう
に、フロントカバー２内にフロントカバー２の軸方向に
対する半径方向に移動可能に保持された錠止部材１０
と、フロントカバー２上に回動可能かつ工具保持部４と
相対回動不能に係合され、回動位置によって錠止部材１
０をフロントカバー２内に突出させるホルダ１１とを有
する構成をしており、図に示すように錠止部材１０がホ
ルダ１１によってフロントカバー２内に突出することに
より、フロントカバー２内に先端工具１を保持すること
ができるようになっている。また、図３に示すようにフ
ロントカバー２外周上の打撃機構部ケース７と工具保持
部４との間の露出した部分がサイドハンドル取付け部９
となっており、この部分の形状を断面が凹形形状とする
ことにより、先端工具１の軸方向におけるサイドハンド
ル８の移動を規制するようにしている。More specifically, a front cap 3 is fitted to the front end of the front cover 2 fixed to the impact mechanism case 7, and a tool holding portion 4 is provided on the outer periphery of the front cover 2 in the tool axial direction. The tool holding portion 4 is immovably and rotatably engaged, and has a configuration in which the tool bit 1 can be attached and detached by the turning position with respect to the front cover 2. As shown in FIG. 3, a locking member 10 held in the tool holding portion 4 so as to be movable in a radial direction with respect to the axial direction of the front cover 2.
Is engaged with the front cover 2 so as to be rotatable and relatively non-rotatable with the tool holding portion 4.
0 is protruded into the front cover 2 as shown in the figure. When the locking member 10 is protruded into the front cover 2 by the holder 11 as shown in FIG. 1 can be held. As shown in FIG. 3, an exposed portion between the impact mechanism case 7 and the tool holding portion 4 on the outer periphery of the front cover 2 is a side handle mounting portion 9.
The cross section of this portion is concave, so that the movement of the side handle 8 in the axial direction of the tip tool 1 is restricted.
【０００９】図に示すように工具保持部４外周には、合
成樹脂等の弾性材からなる円筒状のグリップ６が工具軸
方向に移動可能かつ回動可能に設けられている。グリッ
プ６は工具軸方向においてサイドハンドル取付け部９の
長さ寸法よりも長い寸法を有する形状をしている。As shown in the figure, a cylindrical grip 6 made of an elastic material such as a synthetic resin is provided on the outer periphery of the tool holding portion 4 so as to be movable and rotatable in the tool axis direction. The grip 6 has a shape having a dimension longer than the length dimension of the side handle mounting portion 9 in the tool axis direction.
【００１０】図１に示す状態は、サイドハンドル取付け
部９にサイドハンドル８を取付けた状態を示すが、この
状態ではグリップ６は工具保持部４外周において先端工
具１側に移動した状態にあり、グリップ６の工具保持部
４側に突出する突起６ａが工具保持部４外周に設けられ
た先端工具１側の係合部４ａ及び係合部４ｂ間に位置
し、工具保持部４外周においてグリップ６の工具軸方向
の移動は規制されている。The state shown in FIG. 1 shows a state in which the side handle 8 is attached to the side handle attaching section 9. In this state, the grip 6 has moved to the tip tool 1 side on the outer periphery of the tool holding section 4. A protrusion 6a of the grip 6 protruding toward the tool holding portion 4 is located between the engaging portion 4a and the engaging portion 4b of the tool bit 1 provided on the outer periphery of the tool holding portion 4. Is restricted in the direction of the tool axis.
【００１１】図１に示す状態から、作業状況等によりサ
イドハンドル８を取外した状態で作業を行う場合には、
グリップ６の突起６ａを工具保持部４外周の係合部４ｂ
を乗り越えさせてグリップ６を打撃機構部ケース７側に
移動させ、図２に示すように突起６ａを工具保持部４の
フランジ部４ｄと係合部４ｃとの間に位置させることに
より、サイドハンドル取付け部９外周をグリップ６で覆
わせる。なお、上記したように打撃機構部ケース7及び
フランジ部２ａはほぼ四角形状に形成されているため、
グリップ６の打撃機構部ケース７側端部もほぼ同形状の
四角形状に形成し、グリップ６を打撃機構部ケース７側
に移動させた際にフランジ部２ａ外周とグリップ６の打
撃機構部ケース７側端部とが係合するようにしている。When the work is performed with the side handle 8 removed from the state shown in FIG.
The protrusion 6a of the grip 6 is engaged with the engaging portion 4b on the outer periphery of the tool holding portion 4.
To move the grip 6 toward the striking mechanism section case 7 and position the projection 6a between the flange section 4d of the tool holding section 4 and the engaging section 4c as shown in FIG. The outer periphery of the mounting portion 9 is covered with the grip 6. Since the impact mechanism case 7 and the flange 2a are formed in a substantially square shape as described above,
The end of the grip 6 on the side of the striking mechanism case 7 is also formed in a substantially rectangular shape, and when the grip 6 is moved toward the striking mechanism case 7, the outer periphery of the flange 2a and the striking mechanism case 7 of the grip 6 are moved. The side ends are engaged with each other.
【００１２】これにより、サイドハンドル８を取付けて
いない状態においてサイドハンドル部９の外周にグリッ
プ６を位置させることにより、工具把持部４と打撃機構
部ケース７間の段差を解消することができ、工具把持部
４あるいは打撃機構部ケース７を把持する範囲を広くす
ることができるため、工具把持部４あるいは打撃機構部
ケース７を容易に把持することができるようになり、安
定した状態で作業を行なうことができるようになる。Thus, by positioning the grip 6 on the outer periphery of the side handle portion 9 in a state where the side handle 8 is not attached, a step between the tool gripping portion 4 and the impact mechanism case 7 can be eliminated. Since the range of gripping the tool gripper 4 or the striking mechanism case 7 can be widened, the tool gripper 4 or the striking mechanism case 7 can be easily gripped, and work can be performed in a stable state. Will be able to do it.
【００１３】また、グリップ６を工具保持部４に対して
回動可能であり、グリップ６とフランジ部２ａとが係合
するとグリップ６は打撃機構部ケース７に対して回動不
能な状態となるので、サイドハンドル８を取外しグリッ
プ６を打撃機構部ケース７側に移動させた状態では、グ
リップ６は打撃機構部ケース７と一体的に係合された状
態となるため、打撃機構部ケース７を把持するのと同様
にグリップ６を把持することにより作業時の安定性を得
ることができるようになる。The grip 6 is rotatable with respect to the tool holder 4. When the grip 6 is engaged with the flange 2a, the grip 6 cannot rotate with respect to the striking mechanism case 7. Therefore, in a state in which the side handle 8 is removed and the grip 6 is moved to the striking mechanism case 7, the grip 6 is engaged with the striking mechanism case 7 integrally. By gripping the grip 6 in the same manner as gripping, stability during work can be obtained.
【００１４】なお、図２に示す状態から再度サイドハン
ドル８を取付ける際には、グリップ６を先端工具１側に
移動させ、グリップ６の突起６ａを工具保持部４外周の
係合部４ａ、４ｂ間に位置させることにより、グリップ
６の工具軸方向の移動を規制した状態でサイドハンドル
取付け部９にサイドハンドル８を取付けることが可能と
なる。When attaching the side handle 8 again from the state shown in FIG. 2, the grip 6 is moved to the tip tool 1 side, and the projection 6a of the grip 6 is engaged with the engaging portions 4a, 4b on the outer periphery of the tool holding portion 4. By locating the side handle 8 between them, the side handle 8 can be mounted on the side handle mounting portion 9 while the movement of the grip 6 in the tool axis direction is restricted.
【００１５】上記したように工具保持部４外周にグリッ
プ６の突起６ａと係合しグリップ６の工具軸方向の移動
を規制する規制手段を設けたことにより、サイドハンド
ル８を取付けた状態及び取り外した状態においても、グ
リップ６が作業の妨げとなることを防止することができ
る。なお、フロントカバー２のフランジ部２ａの外径寸
法をグリップ６の打撃機構部ケース７側端部の内径寸法
より若干大きく形成することにより、グリップ６がサイ
ドハンドル取付け部９を覆う際にグリップ６とフランジ
部２ａとの係合力を大きくすることができ、グリップ６
を工具保持部４及び打撃機構部ケース７上で安定させる
ことができる。As described above, the restricting means for engaging the protrusion 6a of the grip 6 and restricting the movement of the grip 6 in the tool axis direction is provided on the outer periphery of the tool holding portion 4, so that the side handle 8 is mounted and removed. In this state, it is possible to prevent the grip 6 from hindering the work. The outer diameter of the flange portion 2a of the front cover 2 is formed to be slightly larger than the inner diameter of the end of the grip 6 on the side of the striking mechanism case 7, so that when the grip 6 covers the side handle mounting portion 9, the grip 6 The engagement force between the grip 6 and the flange 2a can be increased, and the grip 6
Can be stabilized on the tool holder 4 and the impact mechanism case 7.
【００１６】なお、本実施形態では、工具保持部４外周
にグリップ６を設けた構成としたが、打撃機構部ケース
７外周にグリップ６を設けた構成としても良い。In the present embodiment, the grip 6 is provided on the outer periphery of the tool holding portion 4. However, the grip 6 may be provided on the outer periphery of the impact mechanism case 7.
【００１７】更に、本実施形態では、工具保持部４を断
面が円形状、打撃機構部ケース７を断面がほぼ四角形状
に形成し、グリップ６の形状を工具保持部４及び打撃機
構部ケース７に合わせた形状としたが、工具保持部４、
打撃機構部ケース７及びグリップ６を断面が円形状に形
成したものであっても良い。Further, in the present embodiment, the tool holding portion 4 is formed in a circular cross section, the hitting mechanism case 7 is formed in a substantially square cross section, and the shape of the grip 6 is changed in the tool holding portion 4 and the hitting mechanism case 7. The tool holding part 4,
The impact mechanism case 7 and the grip 6 may have a circular cross section.
【００１８】また、工具保持部４外周を弾性材により形
成することにより、工具保持部４の把持を行うことがで
きるようになり、安定した作業状態を得ることができる
ようになる。Further, by forming the outer periphery of the tool holding portion 4 with an elastic material, the tool holding portion 4 can be gripped, and a stable working state can be obtained.
【００１９】[0019]
【発明の効果】本発明によれば、工具保持部あるいは打
撃機構部ケースに工具軸方向に移動可能で、サイドハン
ドル取付け部を覆うことができるグリップを設けたこと
により、サイドハンドルを取外した状態においても安定
した作業状態を得ることができる衝撃工具を提供するこ
とができるようになる。According to the present invention, the side handle is detached by providing a grip capable of moving in the tool axis direction and covering the side handle mounting portion on the tool holding portion or the impact mechanism case. Thus, it is possible to provide an impact tool capable of obtaining a stable working state.
【図１】本発明衝撃工具の一実施形態を示す要部断面側
面図。FIG. 1 is a cross-sectional side view of a main part showing an embodiment of the impact tool of the present invention.
【図２】本発明衝撃工具の一実施形態の一動作状態を示
す要部断面側面図。FIG. 2 is a cross-sectional side view of a main part showing an operation state of one embodiment of the impact tool of the present invention.
【図３】本発明衝撃工具の一実施形態を示す要部断面
図。FIG. 3 is a sectional view of a main part showing an embodiment of the impact tool of the present invention.
１は先端工具、２はフロントカバー、３はフロントキャ
ップ、４は工具保持部、４ａ〜４ｃは凸部、４ｄはフラ
ンジ部、６はグリップ、７は打撃機構部ケース、７ａは
フランジ部、８はサイドハンドル、９はサイドハンドル
取付部である。1 is a tip tool, 2 is a front cover, 3 is a front cap, 4 is a tool holding portion, 4a to 4c are convex portions, 4d is a flange portion, 6 is a grip, 7 is a striking mechanism portion case, 7a is a flange portion, 8 Is a side handle, and 9 is a side handle mounting portion.
Claims (5)
る工具保持部と、前記工具保持部に保持された前記先端
工具に連続打撃を伝達する打撃機構部を収納する打撃機
構部ケースと、前記工具保持部と前記打撃機構部ケース
との間に位置し、前記工具保持部及び前記打撃機構部ケ
ースの外径よりも小径に形成されサイドハンドルを取付
け可能なサイドハンドル取付け部とを有する衝撃工具で
あって、 前記工具保持部あるいは前記打撃機構部ケースに工具軸
方向に移動可能で、前記サイドハンドル取付け部を覆う
ことができるグリップを設けたことを特徴とする衝撃工
具。A tool holding unit having a tool holding function for holding a tip tool; a hitting mechanism unit case housing a hitting mechanism unit for transmitting a continuous hit to the tip tool held by the tool holding unit; An impact tool which is located between a tool holding part and the hitting mechanism part case and has a side handle mounting part formed to have a smaller diameter than the outer diameters of the tool holding part and the hitting mechanism part case and capable of mounting a side handle. An impact tool, wherein a grip that is movable in the tool axis direction and that can cover the side handle mounting portion is provided on the tool holding portion or the impact mechanism portion case.
前記打撃機構部ケース外周に設けられていることを特徴
とする請求項１記載の衝撃工具。2. The impact tool according to claim 1, wherein the grip is provided on an outer periphery of the tool holding section or the impact mechanism section case.
徴とする請求項１〜請求項２のいずれか１項記載の衝撃
工具。3. The impact tool according to claim 1, wherein the grip is made of an elastic material.
前記打撃機構部ケース外周側に突出する突起を設けると
共に、前記工具保持部あるいは前記打撃機構部ケース外
周に前記グリップの前記突起と係合可能で、前記グリッ
プの移動を規制する係合部を設けたことを特徴とする請
求項２記載の衝撃工具。4. The grip is provided with a protrusion protruding from the outer periphery of the tool holding portion or the hitting mechanism unit case, and is engageable with the protrusion of the grip on the outer periphery of the tool holding unit or the hitting mechanism unit case. 3. An impact tool according to claim 2, further comprising an engaging portion for restricting movement of said grip.
したことを特徴とする請求項１〜請求項４のいずれか１
項記載の衝撃工具。5. An apparatus according to claim 1, wherein an outer periphery of said tool holding portion is formed of an elastic material.
Impact tool according to item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001141525A JP4103341B2 (en) | 2001-05-11 | 2001-05-11 | Impact tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001141525A JP4103341B2 (en) | 2001-05-11 | 2001-05-11 | Impact tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002337069A true JP2002337069A (en) | 2002-11-26 |
| JP4103341B2 JP4103341B2 (en) | 2008-06-18 |
Family
ID=18987971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001141525A Expired - Fee Related JP4103341B2 (en) | 2001-05-11 | 2001-05-11 | Impact tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4103341B2 (en) |
-
2001
- 2001-05-11 JP JP2001141525A patent/JP4103341B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP4103341B2 (en) | 2008-06-18 |
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