Pressurized pen

The invention claims a is arranged on a car and operation and use pipe chute of the pen with a small and easily. Is specific, compression element (18) of the elastic cylinder body (19), forming the elastic cylinder body (19) comprises: The large diameter; the cylinder part (20), the front (20a) Is a Storage Attaching the distribution pipe (6) is opened with the part of the aeroseal of (6b), further connected with it; and a pressing cavity (22); The small-diameter cylinder, part (21), wherein that is connected with a cylinder part (20) is; the pressing element (17) front end (17a) and lower aeroseal with a baffle and insertion portion cylinder rear end of (21a). Front back pressing element (17) and a pressing plate; and cylinder part (21) pressing cylinder part (20) presses move, making the elastic cylinder body (19) are compression deformation, the pressing cavity (22) to form the aeroseal, thus (6) with with a spring to the Storage ink tube.