Vacuum cleaner adapter

FIELD: equipment for vacuum cleaning.

SUBSTANCE: adapter is in the form of cylindrical hollow casing open from downwards and provided with elbow branch pipe arranged over central opening in lid of casing and also provided with pipe adjacent to inner cylindrical wall of casing and terminating by peripheral branch pipe over lid of casing. Large-diameter branch pipe is joined with elbow branch pipe. Bent tube whose end is directed opposite to flow of sucked air is arranged coaxially in large-diameter branch pipe. Other end of said bent tube passes through opening in wall of large-diameter branch pipe and it is connected with peripheral branch pipe.

EFFECT: enhanced efficiency of vacuum cleaner without complicating its design.

2 dwg

 

The invention relates to devices, suction dust, and can be used mainly in household cleaners. Known design jet nozzle to the cleaner (patent DE No. 1064699, 1959).

It does not provide sufficient performance, as the twisting of the spent air through spaced above the bottom edge of the nozzle a nozzle a large part of the air, not directly involved in collecting dust. The structure of the vortex is not optimal, since the exhaust air is not from the core of the vortex.

It is not surprising that the nozzle has not found application. In addition, the nozzle is complex and heavy.

Known nozzle to the cleaner (patent RF №2185772, 2001) - the closest analogue. This nozzle comprises a cylindrical hollow body with a pipe-elbow over the hole in the center of the cover and the tube adjacent to the inner cylindrical wall of the housing on a portion of its perimeter and facing the other end through the hole in the cover and ending with a peripheral inlet for connection to additional hose.

The disadvantage of this nozzle is that it significantly complicates the design of the vacuum cleaner, as it necessitates the use of additional hose. The objective of the invention is the design of the nozzle for providing a high efficiency vacuum cleaner on the new applications of the vortex in the nozzle without complication of the overall design of the vacuum cleaner.

The technical result consists in the elimination of these shortcomings in the nozzle of a vacuum cleaner, made in the form of a cylindrical hollow body, open at the bottom, provided above the Central hole in the cover pipe-elbow and tube adjacent to the inner cylindrical wall of the housing and terminating above the cover peripheral nozzle, is due to the fact that the nozzle-attached knee air pipe of large diameter, which is bent tube with its end face coaxially and towards the flow of sucked air and the other end goes through the hole in the housing wall of larger diameter and attached to a peripheral nozzle. The living section between pipe larger cross-section and curved tube is not less than the living section of the suction hose.

The invention is illustrated in the drawing.

Figure 1 - General view of the nozzle.

Figure 2 is a top view of the nozzle.

Cylindrical body of the nozzle 1 is open from below and from above in the center of the cover it has a coaxial hole, over which together with a cover made pipe elbow 2. To the latter is attached the pipe of larger diameter 3. The inner cavity of the pipe of larger diameter 3, communicates with the cavity of the housing 1 through a curved tube 4. One end of the tube 4 is located in the tube more than the diameter of its end face coaxially aligned and directed toward the stream of sucked, that is, in the direction of the nozzle body, and the other goes through the hole in the wall of the pipe of larger diameter and is attached via a peripheral tube 5 tube 6 adjacent to the inner cylindrical wall of the housing on a portion of its perimeter. The nozzle operates as follows. Dusty air under the lower cylindrical edge of the housing 1 moves in the body cavity, then through pipe elbow 2 - in pipe of larger diameter 3, which is divided into two streams: one through the main hose to the vacuum cleaner, the second auxiliary curved tube 4, which extends through the opening in the wall of the pipe of larger diameter and is attached to a peripheral nozzle 5. Next, the auxiliary air flow through the tube 6 is released into the body cavity 1, which is caused by the formation of a vortex. The movement of air in the tubes 4 and 5 occurs under the action of high-speed (dynamic) pressure.

The nozzle of the vacuum cleaner, made in the form of a cylindrical hollow body, open at the bottom, provided above the Central hole in the cover pipe-elbow and tube adjacent to the inner cylindrical wall of the housing and terminating above the cover peripheral nozzle, wherein the nozzle-attached knee air pipe of larger diameter, in which is will bend the flanged tube with its end face coaxially and towards the flow of sucked air, the other end goes through the hole in the wall of the pipe of larger diameter and attached to a peripheral socket.



 

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