Manual pressure hole puncher

The utility model relates to a manual pressure hole puncher which comprises a handle, a drill rod, a drill rod boosting jacket and a drill bit, and is characterized in that the drill rod boosting jacket is cylindrical, the upper end part of the drill rod boosting jacket is externally connected with...

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Bibliographic Details
Main Authors YANG BAOLIANG, WU YINGXIN
Format Patent
LanguageChinese
English
Published 07.07.2010
Subjects
BORING
COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT
DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING
MACHINE TOOLS
MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
TRANSPORTING
TURNING
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Summary:The utility model relates to a manual pressure hole puncher which comprises a handle, a drill rod, a drill rod boosting jacket and a drill bit, and is characterized in that the drill rod boosting jacket is cylindrical, the upper end part of the drill rod boosting jacket is externally connected with the handle, and the lower end part thereof is connected with a main valve; the drill rod is sheathed in the drill rod boosting jacket; the lower part of the drill rod is provided with the drill bit; and the lower end of the drill rod boosting jacket is externally provided with scales and a small valve. The manual pressure hole puncher has reasonable structure, and can remove impurities of filings generated by drilling.
Bibliography:Application Number: CN20092198971U