Conveyors: fluid current – Conduit – With fluid valve or load spacer
Patent
1984-01-31
1986-01-14
Kashnikow, Andres
Conveyors: fluid current
Conduit
With fluid valve or load spacer
406182, 406 74, B65G 5122
Patent
active
045643180
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to pneumatic conveyers of containers and, more particularly, to gates of the pipe-lines of the conveyers.
DESCRIPTION OF THE PRIOR ART
Known in the art is a gate of the pipe-line of a pneumatic conveyer of containers, comprising a body hermetically connected with inlet and outlet branch pipes that are arranged coaxially. The branch pipes are connected to the pipe-line of the pneumatic conveyer. The body accomodates one more branch pipe whose cross-section corresponds to those of the inlet and outlet branch pipes. This branch pipe is kinematically connected with a drive that positions it coaxially relative to the inlet and outlet branch pipes in the case when containers go through the gate in transit. The branch pipe disposed in the body carries a flat damper hingedly coupled with a bracket rigidly secured on the branch pipe. The branch pipe disposed in the body is kinematically connected with the drive via a shaft positioned perpendicularly to the longitudinal axis of the branch pipe and rigidly connected therewith. (c.f. for example, USSR Inventor's Certificate No. 500,144, Cl. B 65 53/56, of 1977, published in Bulletin "Discoveries, Inventions, Industrial Designs and Trade Marks," v. 3, 1976).
The known gate does not provide for a tight adherence of the damaper to one of the branch pipes when the latter is overlapped, as a result of which some compressed air may leak out and consequently, some power be wasted.
DISCLOSURE OF THE INVENTION
The present invention had as its task provision of such a gate of the pipe-line of a pneumatic conveyer of containers, in which the damper and the branch pipe would be made so as to provide for a tight and reliable hermetic sealing of one of the (inlet or outlet) branch pipes when it is overlapped.
The above task is accomplished by that in a gate for the pipe-line of a pneumatic conveyer of containers, comprising a body hermetically connected to inlet and outlet branch pipes which are arranged coaxially and are connected to the pipe-line of the pneumatic conveyer, which accomodates a branch pipe of a cross-section corresponding to those of the inlet and outlet branch pipes, said branch pipe being kinematically connected to a turning drive to be connected to the inlet and outlet branch pipes and carrying a damper for overlapping one of the branch pipes connected to the body, according to the invention, the damper for overlapping one of the branch pipes is rigidly secured to the outer wall of the branch pipe disposed in the body and has a sealing member which is made from a resilient material and whose shape corresponds to the cross-section of the branch pipe being overlapped, the branch pipe being disposed in the body so that the damper can swing to a certain extent relative to an axis disposed in a plane parallel to the plane of the damper and passing below the longitudinal axis of the inlet and outlet branch pipes, and being provided with a catch of the position of the branch pipe when one of the branch pipes is overlapped, said catch being actuated by the turning drive.
It is expedient to make one of its walls serve as the damper in case the branch pipe is of a rectangular cross-section.
While being relatively simple in its design, the gate of the pipe-line of the pneumatic conveyer of containers, built in accordance with the present invention, provides for a reliable hermetic sealing of one of the branch pipes and for a decrease in the wear of the ring-like sealing member when the damper is being brought away from the branch pipe due to the fact that the branch pipe is so mounted in the body that it can swing therein.
SUMMARY OF THE ACCOMPANYING DRAWINGS
The following description of a specific embodiment of the present invention is given with reference to the accompanying drawings, in which:
FIG. 1 shows a gate for the pipe-line of the pneumatic conveyer of containers, according to the invention, a side view;
FIG. 2 is a view taken along the arrow A in FIG. 1, with partial extractions/an enlarged view/;
FI
REFERENCES:
patent: 2690931 (1954-10-01), Baresch
patent: 4459069 (1984-07-01), Ahr et al.
Alexandrov Adolf M.
Iljukhin Vitaly G.
Kiselev Igor V.
Tsimbler Jury A.
Yashin Jury A.
Kashnikow Andres
Spetsialnoe Konstruktorskoe Bjuro "Transprogress"
Williams L. E.
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