Tubular metal resonator quick -operation joint

The utility model relates to a tubular metal resonator quick -operation joint improves stinging a structure of grabbing, stings and grabs to taking open -ended annular piece, sting the one end of grabbing to be provided with claw, and the outer wall of the other end is provided with cyclic annular positioning seat, and the middle part inner wall is provided with the latch, the setting of elastically positioned spare sting grab with spacing fixer between and lie in and sting the outside of grabbing the piece, the utility model has the characteristics of double locking structure, elastically positioned spare have abundant flexible space, have rational in infrastructurely, and locking effect is good, and is reliable stable. 本实用新型涉及种金属管快速接头，对咬抓件的结构进行改进，咬抓件为带开口的环状件，咬抓件的端设置有卡抓，另端的外壁设置有环状定位座，中部内壁设置有卡齿，弹性定位件设置在咬抓件与限位固定器之间并位于咬抓件的外侧，本实用新型具有两重锁紧结构，弹性定位件具有充分伸缩空间，具有结构合理，锁定效果好，可靠稳定的特点。