Quick -open type spanner

The utility model relates to a mechanical equipment and hardware and tools field particularly, relate to a quick -open type spanner. Quick -open type spanner includes basal portion, sleeve and adjusting device, telescopic one end is provided with the draw -in groove, and telescopic other end outer wall has a plurality of limiting through hole of circumference array, the sleeve rotationally is connected with the basal portion, adjusting device sets up on the basal portion, and adjusting device is one -way intermittent movement with the cooperation of telescopic limiting through hole so that predetermined first direction is followed to the sleeve. Such quick -open type spanner has simple structure, convenient operation's characteristics, and has the characteristics of operation in the finite space, has improved the awkward problem of prior art greatly. 本实用新型涉及机械设备和五金工具领域，具体而言，涉及种快开式扳手。快开式扳手包括基部、套筒和调节装置；套筒的端设置有卡槽，套筒的另端外壁有周向阵列的多个限位通孔；套筒与基部可转动地连接；调节装置设置在基部上，调节装置与套筒的限位通孔配合以使套筒沿预设的第方向做单向间歇运动。这样的快开式扳手具有结构简单、操作方便的特点，且