Liquid level control device for a container

Abstract

A liquid level control device includes an upper connecting portion, a lower connecting portion, a rod member and a tube member. A hollow and a position-limiting article are provided in the upper connecting portion, a through hole is provided in the position-limiting article, a stopping wall is provided beneath the position-limiting article, and a conducting pipe and a screwing section are provided beneath the stopping wall. The lower connecting portion is provided with a screwing section at the top and a stopping block therein. A through hole is formed in the stopping block, and a screwing section is provided in the lower connecting portion. The rod member is provided with a screwing section for a piston ring and screwing articles. The tube member is provided with a screwing section at the top, elongated air-conducting holes in the side wall and a floating block therein.

1 . A liquid level control device being secured to the exit of a container.  
   
   
       2 . A liquid level control device as recited in  claim 1 , wherein said liquid level control device is secured to the exit of said container by screwing.  
   
   
       3 . A liquid level control device as recited in  claim 1 , wherein said liquid level control device is secured to by the bore of the sucking pipe of a vacuum cleaner, used in a factory or a house.  
   
   
       4 . A liquid level control device as recited in  claim 1 , wherein said container is placed on a cart with a starting machine.  
   
   
       5 . A liquid level control device comprising: 
 an upper connecting portion being provided with a hollow in the upper half section, a position-limiting article being provided in the interior of said upper connecting portion, a through hole being provided in said position-limiting article, a stopping wall being provided beneath said position-limiting article, a conducting pipe and a screwing section being provided beneath said stopping wall;    a lower connecting portion being provided with a screwing section at the top, a stopping block being provided therein, a through hole being formed in said stopping block, a screwing section being provided in the bottom of said lower connecting portion;    a rod member being provided with a screwing section for a piston ring and screwing articles to be screwed to; and,    a tube member being provided with a screwing section at the top, elongated air-conducting holes being provided in the side wall of said tube member, a floating block being provided in the interior of said tube member.    
   
   
       6 . A liquid level control device as recited in  claim 5 , wherein the position of said piston ring on said rod member is adjusted by means of said screwing articles.