C-shaped gun touch switch group and pneumatic nail gun

• Main Authors: TANG WEICAI, WU SONGLIN, HUANG CHAO
• Format: Patent
• Language: Chinese; English
• Published: 16.01.2024
• Subjects: HAND TOOLS; HAND-HELD NAILING OR STAPLING TOOLS; MANIPULATORS; MANUALLY OPERATED PORTABLE STAPLING TOOLS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TRANSPORTING

The invention relates to the technical field of pneumatic nail guns, and discloses a C-shaped gun touch switch group which comprises an air guide valve, a piston shaft and an ejector pin, and the air guide valve is provided with an air guide cavity, a pressure relief cavity, a first air inlet hole, an exhaust hole and a pressure relief hole; the two exhaust holes are formed in the two sides of the first air inlet hole respectively, and the air guide cavity and the pressure relief cavity are communicated through the first via hole and the second via hole; the piston shaft is movably arranged in the air guide cavity, the piston shaft and the air guide cavity form a first air chamber, a second air chamber and a third air chamber, and the cross section area of the first air chamber is larger than that of the second air chamber and larger than that of the third air chamber; when the piston shaft slides from one limit position to the other limit position in the axial direction of the air guide cavity, the two exhau