Integral type pipeline plugging device

The utility model relates to a pipeline plugging device, not enough in the background art is overcome to the purpose, provides a cable channel plugging device's improvement, and the device should havethe characteristics that the shutoff is effectual, the cost of manufacture is low. Technical scheme is: integral type pipeline plugging device, thereby including the flexible seal element of the ringbodily form, set up a plurality of connecting pieces of being connected the flexible seal element of forcing as an organic whole deformation at the annular clamp plate of flexible seal element both ends face with annular bottom plate and with annular clamp plate and annular bottom plate respectively, its characterized in that: flexible seal element and axle line coplanar's section is two S -shapeds of symmetrical arrangement, and wherein the equipartition has a plurality of rhombus blind hole toward the outer periphery of the indent part that the axis direction is crooked on, and the pore wall of every rhombus blind h