EXTENSION TUBE OF VACUUM CLEANER

摘要

An extension tube for a vacuum cleaner comprises an outer tube, an inner tube slidingly sheathed in the outer tube, wherein the front end of the inner tube being embedded with a sealing component with an end extending out from the inner tube, the inner tube being provided with several rows of clamping grooves, and each row of clamping grooves being provided with a plurality of clamping grooves at intervals in the length direction, and a length adjustment component mounted on the rear end of the outer tube and used for selectively fixing the inner tube to adjust the length of the extension tube.

主权项

1. An extension tube for a vacuum cleaner, comprising: an outer tube; an inner tube slidingly sheathed in the outer tube, the front end of the inner tube being embedded with a sealing component with an end extending out from the inner tube, the inner tube being provided with several rows of clamping grooves, and each row of clamping grooves being provided with a plurality of clamping grooves at intervals in the length direction; and a length adjustment component, mounted on the rear end of the outer tube and used for selectively fixing the inner tube to adjust the length of the extension tube, characterized in that the front end of the inner tube installed with a cylindrical sealing reinforcing component.