US Patent 10130124 Low temperature heat not burn electronic cigarette

The present invention relates to a low-temperature heat-not-burn electronic cigarette comprised of the first holder including a pipe and a mounting plate with the mounting plate connected to the external wall of the pipe. The mounting plate and the second holder are connected to form an inner cavity with a control plate fixed in the inner cavity and the second holder having a key linked to the buttons on the control plate with the buffer pads. The pipe has a corrugated internal wall and a movable cigarette cartridge. The pipe is inserted into an outer pipe. The outer pipe has an insulation retaining bracket and a battery with the insulation retaining bracket having an installation slot facing the cigarette cartridge and the heating coil on the installation slot.