Double-barrel injector

The invention discloses a double-barrel injector which comprises an outer sleeve, an inner sleeve and a core rod, an outer connector is arranged at the front end of the outer sleeve, a first curled edge is arranged at the rear end of the outer sleeve, a sealing plug is installed at the front end of the inner sleeve, a second curled edge is arranged at the rear end of the inner sleeve, and a piston is installed at the front end of the core rod. A detachable core rod limiting mechanism and an outer sleeve locking mechanism are arranged on the second curled edge, the core rod limiting mechanism comprises a movable locking block arranged on the second curled edge and a fixed baffle arranged at the front end of the core rod, and the movable locking block is provided with a deformation blocking tongue matched with the fixed baffle; the outer sleeve locking mechanism comprises a locking insertion piece, a front locking head inserted into the first turned edge of the outer sleeve is arranged at the front end of the l