SU21677A1 - Device for automatic air supply of pump caps - Google Patents

Description

The automatic device for automatic supply of pump hoods consists of a vessel divided by a horizontal partition into two compartments communicating between the valve by means of valves, the upper compartment being connected by two pipes with an air cap to: suction; when the water level rises in the latter, the level in the upper compartment of the structure rises, due to which the existing one opens. A float valve is installed there, and water passes into the lower compartment, at the same time the air is forced out of the latter into the upper compartment and into the cap, and when the lower compartment is filled, the valve automatically opens, equipped with a movable float, and the water is discharged through section, at which the opening of the second spring-valve occurs to accelerate the release of water, and the same time, air is sucked into the lower compartment through the inlet valve.

The drawing shows a vertical section of the device for the automatic supply of air to the pump caps.

The proposed device for the automatic supply of air to the pump caps consists of: a vessel 1, divided by a horizontal partition 2 into two compartments — upper and lower.

communicating through the pipe-top 3 and bottom 4 with a pump cap 5. Upper separation of vessel 1 communicates with the lower through pipe b, not reaching the bottom of the lower compartment, the upper mouth of which is closed by a float valve 7 mounted on 16 connected to float 8. In addition, in the upper compartment of vessel 1 on the partition 2 a pipe 9c is mounted check valve 10 in its upper part. Under the tube 9, 6, the lower compartment of the vessel 1, a rod 11 is installed, having an emphasis 12 in its upper part, and an avant / lower lever 13 mounted on the axis 14 at the bottom of the lower compartment 1. The bar 11 passes through the opening of the float 15 not associated with it. The lever 13, on its vertical knee, carries the balancing weight 16 and is pivotally connected to the rod 17 passing through the tube 18 connected to the bottom of the lower compartment of the vessel 1. The tube 18 communicates with the chamber 19, having a hole at the bottom, closed by a valve 21, sitting at the end of the rod 17. The tube 22 communicates the upper compartment of the vessel 1 with the chamber 19, which communicates through the tube 24 with the cylinder 23. Inside the cylinder 23 there is a piston 25 with a spindle 26 passing into the lower compartment of the vessel 1 through the drain hole 27 located at the bottom of it branch and closed The inside of the double end valve 28, which sits at the upper end of spindle 26. Above the valve 28, at a short distance from it, is the lower mouth of the tube b, and this mouth can be closed by the indicated valve 28 when lifting spindles 26. Piston 25 in; the cylinder 23 is pressed downward by means of the spring 29. In addition, the cylinder 23 has a small cross section tube 20 for water outlet, which can be equipped with a regulating valve, not shown in the drawing. The lower compartment of the vessel 1 in its upper part has an air inlet opening provided with an inlet valve 31.

The effect of the described device is as follows. When the water level rises. air cap 5, c. the upper compartment of the vessel 1 rises a level increase, since it communicates with the cap 3 and 4, the float b, pops up, will raise the lever 16 and the valve 7 connected with it, as a result of which the water through the pipe 6 rushes into the lower section of the vessel 1 and squeeze the air in it. Compressed air from the lower compartment through the tube 9 with a check valve 10 will flow into Bepxf ee compartment of the vessel 1 and from it through the tube 3 will flow into the cylinder 5. The flow of air into the upper compartment of the vessel 1 will continue until valve 7, due to a decrease in the level of water in the specified compartment of the vessel 1, will not close the opening of the pipe 6.

The process of removing water from the lower compartment of the vessel 1 is as follows. When the water level in this compartment rises, the float 15, rising upward, is embedded with stop 12 on rod 11 and lifts this rod and the lever 13 associated with the latter. When lifting the indicated lever, the rod 17 lifts the valve 17 with valve 21 in chamber 19, - the opening, the hole in the pipe 24 under KJiariaHOM 2D will open, and the water from the upper compartment of the vessel 1 through pipes 22 and 24 will flow into the cylinder 23 and go out of the drain pipe 20. Due to the minor diameter of the latter, the water in the cylinder 23 will have

sufficient static pressure to compress the spring 29 to raise the piston 25 and the valve 28 sitting on the rod of the latter. Thus, the drain hole 27 will open and the water from the lower section of the vessel 1 will be able to pour out and the air through the opening 30, the lower end of the tube b will be slammed with the same valve 28, which prevents the passage of water from the upper compartment of the vessel 1 to the lower compartment of this vessel. By emptying the lower section of the vessel 1, the float 15, dropping on the lever 23, will return its weight to its previous position, which will cause the valve 21 to close the hole in the pipe 24. The cylinder 23 will no longer be filled with water and the piston 25 will squeeze out the water from the cylinder through the drain tube 20 and put the valve 28 in place, closing the hole 27, G1 after which the device will work normally again. Pipes Zi 4 are equipped with shut-off valves 32 and 33 to be able to isolate, if necessary, the described device from the air cap.

T1 is the subject of the invention.

Claims (2)

1. A device for automatically supplying air for pump caps, characterized by the use of a vessel 1, divided by a horizontal partition into two compartments, communicating with each other by means of a check valve 10 on the pipe 9 and the float valve 7, from which compartments the upper one is provided with pipes 3, 4 for communication with the cavity of the air cap 5, and the lower air inlet valve 31 and the drain hole 27 closed by the valve 28. 2. An embodiment according to claim 1 of the device, characterized by using a device for opening the valve 28 when filling the lower compartment with water, consisting of a piston 25 attached to the spindle 26, which can move in the cylinder 23, equipped with a small cross-section drain tube 20 and communicated by pipes 24, 22 and a float valve 21, 15 with an upper vessel compartment. , to the author's certificate of L. A. No. 21677 Trembovelsky