GATE VALVE BODY COMPRISING GATE VALVE, AND ALSO METHOD OF ITS INSTALLATION Russian patent published in 2013 - IPC E05C5/00 

Abstract RU 2477359 C2

FIELD: construction.

SUBSTANCE: gate valve body comprises a gate valve module, besides, the gate valve body has a hole for a gate valve, besides, the gate valve is arranged as capable of rotation around the axis, in which the gate valve body comprises a frame for retention with capability of rotating the gate valve that rotates around the axis, besides, the frame has the first end and the second end, and the axis is arranged near the first end of the frame. At the same time the gate valve module is installed as capable of displacement in the gate valve body between the first final position, in which the gate valve is pulled out of the gate valve module to the maximum, and the second final position, in which the gate valve is pulled into the gate valve module to the maximum, and the gate valve body has an element for acting at the gate valve module in direction from the second final position of the gate valve module to the first final position of the gate valve module, besides, the gate valve arranged as capable of rotation around the axis has a distal end at the end of the gate valve, facing outside from the second end of the gate valve module. At the same time this distal end protrudes beyond the frame limits; has in the plane perpendicular to the axis at least along the part of the length between the axis and the distal end, a profile meeting at the cone to the distal end, formed by the first side surface and the second side surface; and is arranged as capable of rotation between the first final position and the second final position, besides, in the first final position of the gate valve the first side surface of the gate valve is arranged at the angle to the direction, in which the module of the gate valve may move in the body, which is lower than 15°, and in the second final position of the gate valve the second side surface is arranged at the angle to the direction, in which the gate valve module may move in the body, which is lower than 15°. Besides, the gate valve body has an element for retention of the gate valve alternatively in its first final position and in its second final position. The element, when the gate valve is between its first and second final position, makes the gate valve move towards one of the first and second final position of the gate valve. The gate valve has the second distal end arranged between the axis and the second end of the frame, besides, the specified second distal end is formed by the third and fourth side surfaces. Besides, in the frame between the axis and the second end of the gate valve module there is a blocking gate valve, installed as capable of displacement in the frame, besides, the blocking gate valve has a cone end at the side facing outside from the second end of the gate valve module, besides, in the gate valve body there is an element acting at the blocking valve in direction of the gate valve so that the distal end of the blocking gate valve rests on the side surface of the gate valve, selected from the third and fourth side surface. The frame is equipped with a locking organ for locking of the blocking gate valve, besides, the locking organ is arranged as capable of displacement between the first blocking position, in which the blocking organ acts as a stop for the blocking valve, as a result of which displacement of the blocking gate valve in the frame in direction of the second end of the frame is limited. The distal end of the gate valve facing the second end of the frame may not pass by the distal end of the blocking gate valve, when the gate valve rotates around the axis; the second position of blocking removal, in which the blocking gate valve is unlocked, and the blocking gate valve is made with the possibility of displacement by such distance in direction of the second end of the frame, by which the distal end of the gate valve facing the second end of the frame may pass by the distal end of the blocking gate valve, when the gate valve rotates around the axis.

EFFECT: development of an improved gate valve body.

8 cl, 5 dwg

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RU 2 477 359 C2

Authors

Karssen Jerun

Dates

2013-03-10Published

2008-06-24Filed