JPH0486108U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の一実施例を示すもので、第１図
は本考案の斜視図、第２，３図は本考案の使用状
態を示す説明図、第４図は本考案の平面図、第５
図は本考案を受台に載置した場合の側面図である
。 １……回動ドリル工具、２……ドリル刃、３…
…支承杆、４……止着部、５……当接板、６……
窓孔、７……被加工物、８……ストツパー杆、９
……測定杆、１２……取付枠、２３……発条。 The drawings show one embodiment of the present invention; Fig. 1 is a perspective view of the invention, Figs. 2 and 3 are explanatory diagrams showing how the invention is used, and Fig. 4 is a plan view of the invention. 5
The figure is a side view of the present invention placed on a pedestal. 1...Rotary drill tool, 2...Drill blade, 3...
...Supporting rod, 4...Fixing part, 5...Abutting plate, 6...
Window hole, 7... Workpiece, 8... Stopper rod, 9
...Measuring rod, 12...Mounting frame, 23...Spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転ドリル工具に付設する止着部を設け、この
止着部に取付枠を固定し、この取付枠に回動ドリ
ル工具の先端に着脱自在に装着されるドリル刃の
軸芯と平行に支承杆を設け、支承杆に対し取付枠
を摺動可能に設け、支承杆に発条を被嵌して止着
部を支承杆に対して一方向に摺動させた際該止着
部が該発条の復元力により復帰動するように設け
、支承杆の先端に支承杆と直交する当接板を付設
し、該当接板にドリル刃の先端が貫挿される窓孔
を設け、ドリル刃が被加工物に入り込んでいく際
ドリル刃の被加工物に対する進入を阻止するスト
ツパー杆を支承杆と平行に設け、ドリル刃の先端
とストツパー杆の先端との差を測定する測定杆を
ストツパー杆及びドリル刃と平行にして摺動自在
に設けたことを特徴とする回動ドリル工具におけ
る垂直孔穿設用補助具。 A fastening part attached to the rotary drill tool is provided, a mounting frame is fixed to this fastening part, and a support rod is attached to the mounting frame parallel to the axis of the drill blade that is detachably attached to the tip of the rotary drill tool. A mounting frame is provided so as to be slidable relative to the support rod, and when the spring is fitted onto the support rod and the fastening portion is slid in one direction relative to the support rod, the fastening portion is attached to the spring. A contact plate is attached to the tip of the support rod, which is perpendicular to the support rod, and a window hole is provided in the contact plate, through which the tip of the drill blade is inserted, so that the drill blade can move back into the workpiece. A stopper rod is provided parallel to the support rod to prevent the drill blade from entering the workpiece when it enters the workpiece, and a measuring rod is installed between the stopper rod and the drill blade to measure the difference between the tip of the drill blade and the tip of the stopper rod. An auxiliary tool for vertical hole drilling in a rotary drill tool, characterized in that it is provided in a parallel and slidable manner.