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Valve capable of draining water

A technology for drainage and interception, which is applied in water supply installations, main water supply pipelines, and water supply pipeline systems to achieve the effects of increasing drainage paths, shortening drainage paths, and increasing drainage speed.

Inactive Publication Date: 2010-07-07
TAKEMURA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, since the seat of the drain stopper is in flat contact with the seat surface on the side of the water hole, there are serious problems such as water leakage in the middle

Method used

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  • Valve capable of draining water
  • Valve capable of draining water
  • Valve capable of draining water

Examples

Experimental program
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Effect test

no. 1 example

[0027] First, a first embodiment will be described with reference to FIGS. 1 to 7 .

[0028] Fig. 1 is a front sectional view of the drain cock according to the first embodiment of the present invention, Fig. 2 is a partial front sectional view of the drain cock of Fig. 1 when the water is passed through, and Fig. 3 is a partial front sectional view of the drain cock of Fig. 1 when the water is cut off , Fig. 4 is a partial frontal sectional view of the drain cock of Fig. 1 when draining water, and Fig. 5(a), Fig. 5(b), and Fig. 5(c) are the water cut-off retainers for the drain cock according to the first embodiment of the present invention Figure 6(a), Figure 6(b), and Figure 6(c) are the front sectional views of the ball guide for the drain cock according to the first embodiment of the present invention, Fig. 7(a) and Fig. 7(b) are the front sectional view and the top view of the lip-shaped sealing gasket for the drain cock according to the first embodiment of the present i...

no. 2 example

[0037] Next, a second embodiment will be described with reference to FIGS. 8 and 9 .

[0038] Fig. 8 is a front sectional view of the drain cock according to the second embodiment of the present invention, and Fig. 9(a), Fig. 9(b), and Fig. 9(c) are water cut-off blocks for the drain cock according to the second embodiment of the present invention Sectional front view, top view and bottom view of the unit. This embodiment is characterized in that a safety valve for releasing abnormal pressure generated on the outflow side is mounted on the water cut-off stopper.

[0039] The drain cock of this embodiment has a cock main body 1 , an operating lever 19 for operating the cock main body 1 , and a handle 23 for driving the operating lever 19 up and down. The plug main body 1 has: an inflow side inlet formed on the side of the plug body 1, an outflow side outlet, a water channel with a water hole 11 provided between the inlet and the outlet, and is detachably fitted with the On th...

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PUM

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Abstract

The invention relates to a dewatering stopper, which makes the stopper body and interlocking part of the outer tube perform discontinuous interlocking to form clearance, without bygone many dewatering ports and cutting sand cap to obtain good drainability. The water cutoff top which freely fits into a lower spindle and has a drainage ditch and a damming gasket for covering the front end of it andan opposite draining gasket with a distance from the said damming gasket are formed in one body. The replacement of damming gasket and draining gasket is easy and without middle leakage. The said damming gasket is composed of projection for covering the center of the front end and perimeter right angle jointed with the projection. A slot with section of n-shape is at the conterminous part of projection and perimeter. The outer side of the projection is partly with R section and the draining gasket has a slot with section of n-shape at the perimeter adjacent to the projection.

Description

technical field [0001] This invention relates to drain cocks for waterway systems. Background technique [0002] In waterway systems in cold regions, drain cocks, etc. for anti-freezing are connected to waterway pipes. An example of a conventional drain cock will be described with reference to FIG. 11 . The figure is a front cross-sectional view of a drain cock (herein referred to as a non-freezing water cut-off cock) described in Patent Document 1. FIG. A handle 110 for driving an operating rod 112 up and down is mounted on the upper portion of the drain cock. The handle 110 is connected to the operating rod 112 inside the drain cock via the upper spindle 107, and the operating rod 112 operates the drain cock main body through the lower spindle connected to the lower end thereof. The drain plug has the following characteristics. In order to prevent intermediate drainage when the valve is switched, the difference in the elastic force of the stopper spring 103 and the coil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17D3/10
CPCE03B7/10E03B9/027F16K15/04F16K41/006
Inventor 牧岛由和
Owner TAKEMURA
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