Interlocking switch device of pneumatic drilling machine

• Main Author: SHI YAHUA
• Format: Patent
• Language: Chinese; English
• Published: 31.03.2020
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The invention discloses an interlocking switch device of a pneumatic drilling machine and mainly solves a problem of personal injury caused by misoperation in the actual use process in the prior art.The device comprises a valve body, a straight groove, an interlocking shaft and a first ball body, wherein the middle of the valve body is in a hollow cylinder shape, the valve body is provided with asemi-circular groove, the semi-circular groove is formed on a lower half portion of the hollow cylinder in the valve body, the straight groove is formed on a left front part of the semicircular groove, the interlocking shaft is located in the valve body, the interlocking shaft is provided with semicircular holes, the semicircular holes are formed on an upper surface and a right surface of the interlocking shaft respectively, the two semicircular holes are formed on a lower surface of the interlocking shaft, and the first ball body is arranged in a semicircular hole on the right surface of theinterlocking shaft and is