Manual drilling tool

• Main Authors: LIU JUN, ZHAO GUOGUI, WANG HAI
• Format: Patent
• Language: Chinese; English
• Published: 03.02.2023
• Subjects: NAILING OR STAPLING MACHINES IN GENERAL; PERFORMING OPERATIONS; PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FORWOOD OR SIMILAR MATERIAL; TRANSPORTING; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL

A manual drilling tool comprises a handle 1, a shaft 3 and a twist drill 6, a drill handle of the twist drill 6 is welded to one end of the shaft 3, the other square end of the shaft 3 can be inserted into or pulled out of a square hole in the center of the handle 1, and an elastic clamp spring device is arranged between the square hole of the handle 1 and the other square end of the shaft 3. The other square end of the shaft 3 can be conveniently inserted into or pulled out of the square hole in the center of the handle 1, the other square end of the shaft 3 can be stably inserted into the square hole in the center of the handle 1, a drill bit of the twist drill 6 abuts against a wood board, an operator holds the handle 1 tightly with the hand, pushes the handle 1 to move forwards and rotates the handle 1 clockwise, and then the twist drill 6 can be stably inserted into the square hole in the center of the handle 1. And a drill bit of the twist drill 6 is enabled to drill holes in the wood board. 一种手动钻孔工具，包括