Sealing pin-free type striking assembly structure on pneumatic air wrench

• Main Authors: DAI WENMIN, YE HAIRUI, ZHOU JIAXUE
• Format: Patent
• Language: Chinese; English
• Published: 26.11.2021
• Subjects: BLASTING; CYLINDERS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HAND TOOLS; HEATING; LIGHTING; LUBRICATING; MANIPULATORS; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PISTONS; PORTABLE POWER-DRIVEN TOOLS; SEALINGS; THERMAL INSULATION IN GENERAL; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING; WEAPONS

The utility model discloses a sealed pin-free type beating assembly structure on a pneumatic air wrench, which comprises a beating chamber, a beating block, a beating transmission shaft and a sealing positioning cover, a sealed mounting cavity is arranged in the beating chamber, a transmission tooth groove is arranged on the outer side surface of the beating chamber, the sealing positioning cover is fixedly connected with the beating chamber and is provided with a positioning shaft hole, and the transmission tooth groove is arranged in the positioning shaft hole. One end of the hammering transmission shaft penetrates through the positioning shaft hole and is in transmission connection with the hammering block in the sealed mounting cavity; a positioning boss pin integrated with the beating chamber is arranged on the inner wall of the sealing installation cavity, an installation positioning groove and a beating positioning groove are formed in the side face of the beating block, and the installation positionin