JP3362264B2 - Mounting structure of base for cutting tool - Google Patents
Mounting structure of base for cutting toolInfo
- Publication number
- JP3362264B2 JP3362264B2 JP20947593A JP20947593A JP3362264B2 JP 3362264 B2 JP3362264 B2 JP 3362264B2 JP 20947593 A JP20947593 A JP 20947593A JP 20947593 A JP20947593 A JP 20947593A JP 3362264 B2 JP3362264 B2 JP 3362264B2
- Authority
- JP
- Japan
- Prior art keywords
- base
- tool body
- plate
- operation lever
- bolt
- 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.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
- B23D49/10—Hand-held or hand-operated sawing devices with straight saw blades
- B23D49/16—Hand-held or hand-operated sawing devices with straight saw blades actuated by electric or magnetic power or prime movers
- B23D49/162—Pad sawing devices
- B23D49/167—Pad sawing devices with means to adjust the guide plate or with means to adjust the plane in which the saw blade moves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Description
【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、ジグソー等の切断工具
における工具本体と、工具本体に対して移動や傾動可能
に設けられ、ワークに当接して工具本体の移動を案内す
るベースとの取付構造に関するものである。
【０００２】
【従来の技術】切断工具において上記ベースは、実開平
４−５４８０１号公報の図中や実開昭６０−１８７００
２号公報において知られるように、工具本体にボルト締
めされるのが通常で、工具本体に対するベースの位置や
角度を変更する際にはボルトを一旦緩めてベースを所定
の位置や姿勢に移動又は傾動させ、改めてボルトを締め
直す作業が必要となっている。
【０００３】
【発明が解決しようとする課題】上記従来のボルトによ
る連結にあっては、ベースの位置や角度を変更する際に
はいちいちドライバー等でボルトを締め直す手間が生じ
る上、ベースの裏側からの狭いスペースに螺着されるボ
ルトであるからその操作はより面倒となる。更にボルト
による締付では常に適正な締付量を維持することは難し
く、締付過ぎはまだしも締付量不足であると、切断作業
中にベースの位置や角度がずれたりする虞れが生じる。
【０００４】
【課題を解決するための手段】そこで本発明は、ボルト
による連結であってもベースの移動や傾動作業は簡単に
行え、而も常に一定の締付量でベースの固定が行える取
付構造を提供するもので、その構成は、工具本体の下方
に、工具本体との当接面にスライド孔を設けたベースを
配置し、前記スライド孔を貫通するボルトとナット部材
からなる連結部材によりベースと工具本体とを連結し
て、工具本体側に位置するボルト頭部又はナット部材に
操作レバーを固着し、該操作レバーの回動操作によって
ベースを工具本体へ締付固定可能とすると共に、ベース
の下面側にはナット部材又はボルト頭部の回動を任意の
位置で規制するロック部材を設けた切断工具におけるベ
ースの取付構造であって、前記連結部材が、ベースの下
面に摺接する中間部材を介してベースと工具本体を貫通
するものであり、更に前記ロック部材が、連結部材のボ
ルト頭部又はナット部材に嵌合するリング状のプレート
と、前記中間部材へ取り付けられて前記プレートに当接
し、プレートの移動を規制する規制板とからなることを
特徴とするものである。
【０００５】
【作用】ベースの位置や角度変更の際には操作レバーを
回動させて締付を解除し、ベースを所定の位置や姿勢に
設定した後再び操作レバーによって締付を行う。この時
連結部材のボルト頭部或はナット部材は、中間部材にお
いてプレート及び規制板によって回動を規制されている
から、任意の位置に設定した操作レバーによる締付位置
は変化せず、常に一定の締付量が得られる。特に、プレ
ートを別部材の規制板で回動防止する構成であるから、
ボルトと操作レバーとの最初の締付位置の設定をどのよ
うに変更しても、プレートは中間部材においてボルト頭
部又はナット部材に嵌着できると共に、常に規制板での
抑止が可能となる。
【０００６】
【実施例】以下本発明をジグソーに適用した実施例を図
面に基いて説明する。図１において１はジグソー本体
で、変換機構を内設したギヤハウジング２の後方にはモ
ータを内蔵したモータハウジング３が装着され、ギヤハ
ウジング２の上部はヘッドカバー４が嵌着されると共
に、前方下部へ突出し上下方向へ往復動するブレードホ
ルダー５にはブレード６が取り付けられている。又７は
ワークの上面に摺接してジグソー本体１の移動を案内す
るためにギヤハウジング２の下方に設置されたベース
で、このベース７の略中央部には、頂部に十字形のスラ
イド孔１１を穿設した摺接部１０が形成されており、該
摺接部１０は、ヘッドカバー４下方に露出したギヤハウ
ジング２下端の彎曲凹部９に合致する断面アーチ状を呈
している。そしてギヤハウジング２とベース７とは、ベ
ース７の下方からスライド孔１１を貫通する連結ボルト
８によって連結される。図１、２に示す如く前記ベース
７の下方には、ベース７の摺接部１０裏面に合致し前後
左右に摺動可能な当接面１２ｂを有した蒲鉾型のクラン
プ板１２が配置され、その裏面１３には段部１４を形成
している。前記連結ボルト８は、クランプ板１２の裏面
１３に設けた透孔１２ａ及びスライド孔１１、彎曲凹部
９の取付孔９ｂを貫通して彎曲凹部９後端に突出してお
り、その端部には操作レバー２０先端に固着したナット
２１が螺着されている。更にクランプ板１２の裏面１３
に露出した連結ボルト８の頭部８ａには、該頭部８ａに
嵌合する角孔１５ａを有したリングプレート１５が嵌着
し、一方段部１４には抑え板１６が、クランプ板１２両
端を延設した側端部１２ｃ、１２ｃ間にあってネジ１
７、ワッシャー１８によりクランプ板１２に螺着され、
その先端部１６ａが前記リングプレート１５の半面を押
圧している。このリングプレート１５の半面と抑え板１
６の先端部裏側には夫々滑り止め加工がされており、抑
え板１６をネジ止めすることによってリングプレート１
５をしっかりと規制し、その脱却と回転を防止する様に
なっている。尚１９はベース７の底面を閉塞するベース
プレートである。
【０００７】以上の如く構成されたベースの取付構造に
おいては、先ずベースを組み付ける際に、前述の如くベ
ース７の裏側から連結ボルト８をクランプ板１２の透孔
１２ａ、スライド孔１１、彎曲凹部９の取付孔９ｂを貫
通させ、操作レバー２０のナット２１を螺合させる。そ
の際操作レバー２０を図３のロック位置Ａで維持したま
ま連結ボルト８をドライバーで締め付け、ギヤハウジン
グ２の彎曲凹部９とベース７の摺接部１０とを固定す
る。そして連結ボルト８の頭部８ａにリングプレート１
５を嵌着すると共に、図４の如く抑え板１６の先端部１
６ａをリングプレート１５の半面に当接させネジ１７で
螺着する。するとギヤハウジング２とベース７は操作レ
バー２０の回動操作により締付固定及び締付解除できる
ようになるのに加え、連結ボルト８は固定されたリング
プレート１５によりその回動を阻止されるから、操作レ
バー２０のナット２１と連結ボルト８によるギヤハウジ
ング２とベース７、クランプ板１２への締付量、即ちロ
ック位置Ａ、ロック解除位置Ｂの設定は変化せず、操作
レバー２０を常に一定のストロークで回動操作させるこ
とができる。又ベース７の位置や角度を変更する場合、
操作レバー２０をロック解除位置Ｂへ回動させると、ギ
ヤハウジング２とベース７との締付は解除されるから、
その状態からベース７を任意の位置へ移動或は図３の二
点鎖線で示す様に傾動させて、当該位置で再び操作レバ
ー２０をロック位置Ａへ回動させれば、上記と同様にベ
ース７の締付固定はなされる。このように本実施例によ
れば、操作レバー２０の操作だけでベースの締付固定が
簡単に行え、而もその締付量は常に適正であるから、ド
ライバー等の工具が不要になるのは勿論、ベースの裏側
からいちいちボルトを操作する手間も掛からず、固定時
の信頼性も非常に高いものとなる。
【０００８】上記実施例によれば、締付位置を設定する
連結ボルト８を固定するリングプレート１５を別部材の
抑え板１６で回動防止する構成であるから、連結ボルト
８と操作レバー２０との最初の締付位置の設定をどのよ
うに変更してもリング状の同プレートはクランプ板１２
裏面に嵌着できると共に、常に抑え板１６での抑止が可
能となる。尚上記実施例では連結ボルトをベースの裏側
から貫通させてギヤハウジング側の先端に操作レバーの
ナットを螺着したものとしたが、逆に連結ボルトをギヤ
ハウジング側からベースに貫通させ、連結ボルトの頭部
に操作レバーを固着すると共に連結ボルトの端部にナッ
ト部材を螺着し、リングプレートをナット部材に嵌合さ
せるものとしても、上記と同様の作用で操作レバーによ
る締付操作は可能である。
【０００９】
【発明の効果】以上本発明によれば、操作レバーの回動
操作だけでベースのロック、アンロックが簡単に行える
のに加え、常に必要且つ適正な締付量でベースの固定が
行えるから、ベースの位置や角度の変更作業が非常に簡
略化すると共に、切断作業時の工具本体に対するベース
の信頼性も高く、その一体感も良好となる。特に、プレ
ートを別部材の規制板で回動防止する構成であるから、
ボルトと操作レバーとの最初の締付位置の設定をどのよ
うに変更しても、プレートは中間部材においてボルト頭
部又はナット部材に嵌着できると共に、常に規制板での
抑止が可能となる。 Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tool body for a cutting tool such as a jigsaw and the like, which is provided so as to be movable or tiltable with respect to the tool body, and comes into contact with a workpiece to contact the tool. The present invention relates to a mounting structure with a base for guiding movement of a main body. 2. Description of the Related Art In a cutting tool, the above-mentioned base is used in the drawing of Japanese Utility Model Laid-Open No. 4-54801 or in Japanese Utility Model Laid-Open No. 60-18700.
As is known in Japanese Patent Publication No. 2 (1993) -197, bolts are usually fastened to the tool body, and when changing the position or angle of the base with respect to the tool body, the bolt is temporarily loosened and the base is moved or moved to a predetermined position or posture. It is necessary to tilt and re-tighten the bolt. [0003] In connection with the above-mentioned conventional bolts, when changing the position or angle of the base, it takes time and effort to re-tighten the bolts with a screwdriver or the like, and the back side of the base. The operation is more troublesome because the bolt is screwed into a narrow space from the front. Furthermore, it is difficult to always maintain an appropriate amount of tightening by bolting, and if the tightening amount is too small and the tightening amount is still insufficient, the position and angle of the base may shift during the cutting operation. SUMMARY OF THE INVENTION Accordingly, the present invention provides a mounting method which can easily move and tilt a base even when connected by bolts, and can always fix the base with a fixed amount of tightening. In the structure, a base provided with a slide hole on a contact surface with the tool body is disposed below the tool body, and a connection member including a bolt and a nut member penetrating the slide hole is provided. By connecting the base and the tool body, the operation lever is fixed to the bolt head or nut member located on the tool body side, and the base can be tightened and fixed to the tool body by rotating the operation lever, A cutting tool provided with a lock member on the lower surface side of the base for restricting rotation of a nut member or a bolt head at an arbitrary position.
A base mounting structure, wherein the connecting member is located under a base.
Penetrates the base and tool body through an intermediate member that slides on the surface
The lock member further includes a lock of the connecting member.
Ring-shaped plate that fits into the head or nut member
And attached to the intermediate member to abut the plate
And a regulating plate for regulating the movement of the plate . When the position and angle of the base are changed, the operation lever is rotated to release the tightening, the base is set at a predetermined position and posture, and then the operation lever is tightened again. At this time, the bolt head or nut member of the connecting member is attached to the intermediate member.
Since the rotation is regulated by the plate and the regulating plate , the fastening position by the operation lever set at an arbitrary position does not change, and a constant fastening amount is always obtained. In particular,
Since the port is configured to be prevented from rotating with a separate regulating plate,
How to set the initial tightening position of the bolt and operation lever
Even if the plate is changed to
Part or nut member, and always
Deterrence becomes possible. An embodiment in which the present invention is applied to a jigsaw will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a jigsaw body, and a motor housing 3 containing a motor is mounted behind a gear housing 2 in which a conversion mechanism is provided. An upper portion of the gear housing 2 is fitted with a head cover 4 and a lower front portion. A blade 6 is attached to a blade holder 5 that projects upward and reciprocates vertically. A base 7 is provided below the gear housing 2 to guide the movement of the jigsaw body 1 by sliding on the upper surface of the work. Is formed, and the sliding contact portion 10 has an arch-shaped cross section that matches the curved concave portion 9 at the lower end of the gear housing 2 exposed below the head cover 4. The gear housing 2 and the base 7 are connected from below the base 7 by connecting bolts 8 penetrating through the slide holes 11. As shown in FIGS. 1 and 2, below the base 7, a semi-cylindrical clamp plate 12 having an abutment surface 12 b that matches the back surface of the sliding contact portion 10 of the base 7 and that can slide back and forth and right and left is arranged. A step portion 14 is formed on the back surface 13. The connection bolt 8 projects through the through hole 12 a and the slide hole 11 provided on the back surface 13 of the clamp plate 12, the mounting hole 9 b of the curved recess 9, and protrudes to the rear end of the curved recess 9. A nut 21 fixed to the tip of the lever 20 is screwed. Further, the back surface 13 of the clamp plate 12
A ring plate 15 having a square hole 15a that fits into the head 8a is fitted to the head 8a of the connecting bolt 8 exposed to the outside, while a holding plate 16 is fitted to the step portion 14, and both ends of the clamp plate 12 Is located between the side ends 12c, 12c
7. Screwed to the clamp plate 12 by the washer 18;
The tip 16a presses the half surface of the ring plate 15. Half of the ring plate 15 and the holding plate 1
The back side of the front end of each of the ring plates 6 is provided with a non-slip surface.
5 is tightly regulated to prevent its escape and rotation. Reference numeral 19 denotes a base plate for closing the bottom surface of the base 7. In the mounting structure of the base constructed as described above, when assembling the base, the connecting bolt 8 is inserted from the back side of the base 7 into the through-hole 12a, the slide hole 11, the curved recess 9 of the clamp plate 12 as described above. And the nut 21 of the operation lever 20 is screwed. At this time, the connection bolt 8 is tightened with a screwdriver while the operation lever 20 is maintained at the lock position A in FIG. 3 to fix the curved concave portion 9 of the gear housing 2 and the sliding contact portion 10 of the base 7. The ring plate 1 is attached to the head 8a of the connecting bolt 8.
5 and, as shown in FIG.
6 a is brought into contact with a half surface of the ring plate 15 and screwed with screws 17. Then, the gear housing 2 and the base 7 can be tightened and fixed and released by the turning operation of the operation lever 20, and the connecting bolt 8 is prevented from turning by the fixed ring plate 15. The amount of tightening of the gear housing 2 and the base 7 by the nut 21 and the connecting bolt 8 of the operation lever 20 to the base 7 and the clamp plate 12, that is, the setting of the lock position A and the lock release position B does not change. Can be rotated with a stroke of. When changing the position and angle of the base 7,
When the operation lever 20 is rotated to the unlock position B, the tightening between the gear housing 2 and the base 7 is released.
In this state, the base 7 is moved to an arbitrary position or tilted as shown by a two-dot chain line in FIG. 3, and the operating lever 20 is again turned to the lock position A at this position. 7 is fixed. As described above, according to the present embodiment, the base can be easily tightened and fixed only by operating the operation lever 20, and the amount of tightening is always appropriate. Of course, there is no need to operate the bolts from the back side of the base, and the reliability at the time of fixing is very high. According to the above embodiment, since the ring plate 15 for fixing the connecting bolt 8 for setting the tightening position is prevented from rotating by the pressing plate 16 of another member, the connecting bolt 8 and the operating lever 20 No matter how the setting of the initial tightening position is changed, the ring-shaped plate
It can be fitted on the back surface and can always be suppressed by the holding plate 16. In the above embodiment, the connecting bolt was penetrated from the back side of the base, and the nut of the operation lever was screwed to the end on the gear housing side. Conversely, the connecting bolt was penetrated from the gear housing side to the base, and the connecting bolt was The operation lever can be tightened by the same operation as above even if the operation lever is fixed to the head of the unit and the nut member is screwed to the end of the connection bolt, and the ring plate is fitted to the nut member. It is. As described above, according to the present invention, the base can be easily locked and unlocked only by turning the operation lever, and the base can be always fixed with a necessary and appropriate tightening amount. Since it can be performed, the operation of changing the position and angle of the base is greatly simplified, and the reliability of the base with respect to the tool body during the cutting operation is high, and the sense of unity is also good. In particular,
Since the port is configured to be prevented from rotating with a separate regulating plate,
How to set the initial tightening position of the bolt and operation lever
Even if the plate is changed to
Part or nut member, and always
Deterrence becomes possible.
【図面の簡単な説明】
【図１】本発明を適用したジグソーの一部断面図であ
る。
【図２】上記ジグソーにおけるベースの取付構造の詳細
を示す説明図である。
【図３】上記ジグソーにおけるベースの取付操作を示す
説明図である。
【図４】上記ジグソーにおけるベースの取付操作を示す
説明図である。
【符号の説明】
１・・ジグソー本体、２・・ギヤハウジング、３・・モ
ータハウジング、４・・ヘッドカバー、５・・ブレード
ホルダー、６・・ブレード、７・・ベース、８・・連結
ボルト、９・・彎曲凹部、１０・・摺接部、１１・・ス
ライド孔、１２・・クランプ板、１３・・裏面、１４・
・段部、１５・・リングプレート、１６・・抑え板、１
７・・ネジ、１８・・ワッシャー、１９・・ベースプレ
ート、２０・・操作レバー、２１・・ナット。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partial sectional view of a jigsaw to which the present invention is applied. FIG. 2 is an explanatory view showing details of a mounting structure of a base in the jigsaw. FIG. 3 is an explanatory diagram showing a mounting operation of a base in the jigsaw. FIG. 4 is an explanatory view showing a mounting operation of a base in the jigsaw. [Description of Signs] 1. Jigsaw body, 2. Gear housing, 3. Motor housing, 4. Head cover, 5. Blade holder, 6. Blade, 7. Base, 8. Connection bolt, 9. curved concave portion, 10 sliding contact portion, 11 slide hole, 12 clamp plate, 13 back surface, 14
・ Step, 15 ・ ・ Ring plate, 16 ・ ・ Holding plate, 1
7. Screws, 18 washers, 19 base plates, 20 operating levers, 21 nuts.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭57−57903（ＪＰ，Ｕ) 実開 昭60−187002（ＪＰ，Ｕ) 実開 平４−76402（ＪＰ，Ｕ) 実開 平２−106301（ＪＰ，Ｕ) 実公 昭58−39845（ＪＰ，Ｙ２) (58)調査した分野(Int.Cl.7，ＤＢ名) B23D 51/02 B23D 47/02 B27B 19/09 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-57-57903 (JP, U) JP-A 60-187002 (JP, U) JP-A 4-76402 (JP, U) JP-A 2- 106301 (JP, U) Jiko 58-39845 (JP, Y2) (58) Fields investigated (Int. Cl. 7 , DB name) B23D 51/02 B23D 47/02 B27B 19/09
Claims (1)
にスライド孔を設けたベースを配置し、前記スライド孔
を貫通するボルトとナット部材からなる連結部材により
ベースと工具本体とを連結して、工具本体側に位置する
ボルト頭部又はナット部材に操作レバーを固着し、該操
作レバーの回動操作によってベースを工具本体へ締付固
定可能とすると共に、ベースの下面側にはナット部材又
はボルト頭部の回動を任意の位置で規制するロック部材
を設けた切断工具におけるベースの取付構造であって、 前記連結部材が、ベースの下面に摺接する中間部材を介
してベースと工具本体を貫通するものであり、更に前記
ロック部材が、連結部材のボルト頭部又はナット部材に
嵌合するリング状のプレートと、前記中間部材へ取り付
けられて前記プレートに当接し、プレートの移動を規制
する規制板とからなる ことを特徴とする切断工具におけ
るベースの取付構造。(57) [Claim 1] A base having a slide hole provided on a contact surface with the tool body is disposed below the tool body, and includes a bolt and a nut member penetrating the slide hole. The base and the tool body are connected by the connecting member, and the operation lever is fixed to the bolt head or the nut member located on the tool body side, and the base can be tightened and fixed to the tool body by rotating the operation lever. And a mounting structure of the base in a cutting tool provided with a lock member for restricting rotation of a nut member or a bolt head at an arbitrary position on the lower surface side of the base, wherein the connecting member is provided on the lower surface of the base. Via an intermediate member that slides
And penetrates the base and the tool body.
Lock member is connected to bolt head or nut member of connecting member
A ring-shaped plate to be fitted and attached to the intermediate member
Contacting the plate and restricting the plate movement
A mounting structure for a base in a cutting tool, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20947593A JP3362264B2 (en) | 1993-08-24 | 1993-08-24 | Mounting structure of base for cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20947593A JP3362264B2 (en) | 1993-08-24 | 1993-08-24 | Mounting structure of base for cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0760538A JPH0760538A (en) | 1995-03-07 |
| JP3362264B2 true JP3362264B2 (en) | 2003-01-07 |
Family
ID=16573470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20947593A Expired - Lifetime JP3362264B2 (en) | 1993-08-24 | 1993-08-24 | Mounting structure of base for cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3362264B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08155730A (en) * | 1994-12-12 | 1996-06-18 | Makita Corp | Base mounting structure in cutting tool |
| ATE183123T1 (en) * | 1994-12-16 | 1999-08-15 | Ceka Elektrowerkzeuge Ag & Co | DEVICE FOR SWIVINGLY MOUNTING A SAW TABLE TO A JIGSAW |
| JP3674319B2 (en) * | 1998-07-24 | 2005-07-20 | 日立工機株式会社 | Cutting machine |
| US7065884B2 (en) * | 2003-02-28 | 2006-06-27 | Credo Technology Corporation | Power hand tool foot assembly |
| DE602004017553D1 (en) * | 2003-09-09 | 2008-12-18 | Black & Decker Inc | Footplate device for a power tool and a power tool with such a device |
| DE102008055065B4 (en) * | 2008-12-22 | 2021-11-04 | Robert Bosch Gmbh | Hand machine tool device with air guide element |
| CN104440798B (en) * | 2013-09-16 | 2017-05-17 | 南京德朔实业有限公司 | Handheld machine tool and bottom plate adjusting mechanism applied to same |
-
1993
- 1993-08-24 JP JP20947593A patent/JP3362264B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0760538A (en) | 1995-03-07 |
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