Patent ID: 7122763

Claim:
A thermos bag for travel use, comprising: a container bag, forming a containing space inside, said container bag having an opening for an object to be placed inside, a base wall having several through holes spaced apart, and one side wall having a through opening; an built-in thermos device, placed at a bottom of the containing, wherein said thermos device comprises: a frame with a convergent opening on a top thereof, and a divergent opening having several screw tooling holes on a bottom of the frame, one side of the frame having a protruding tube base that corresponds to the through opening of said one side wall, a concave ring edge placed on an outside of a protruding tube base, and a through hole in a center offering a power cord socket to go through; a fixation ring sleeve, having a ring shape, and a ring hole in a middle thereof connected to an outside of the through opening of the container bag, a protruding tube base on the frame extending out, a convex ring edge in the ring hole being locked in with the concave ring edge of the protruding tube base; a conductive plate being a metal plate and having an outer diameter fitted in the frame, and a convex surface fitted in the convergent opening of the frame; a printed electrothermal plate, connected to the bottom of the conductive plate; an automatic temperature control device, placed between the printed electrothermal plate and the frame and connected to the printed electrothermal plate and a power cord socket by a conductive cable; and an insulating lining, being placed inside the printed electrothermal plate and insulating heat generated by the printed electrothermal plate; a bottom plate, being sealed to the divergent opening of the frame and being comprised of passage holes on the bottom plate that corresponds to the screw tooling holes on the divergent opening of the frame, which are connected by bolts; and there are several protruding rods that are spaced out on the bottom of the bottom plate, which are to go through the through holes on the base wall of the container bag, and there are several screw holes on the bottom of the protruding rods; several foot mounts, being placed on the base wall, the foot mounts having through holes, and a top of the through hole of each mount being connected to the protruding rods that are on the base wall through the bottom plate, bolts being placed from the bottom of the foot mounts through the through holes of the foot mount to be locked into with the screw hole of the protruding rod and connect the foot mount and bottom plate and container bag; and an in-car charging cable having a charging head of a car cigarette lighter, and a conductive plug of the power cord socket.