SU1369826A1 - Arrangement for feeding liquid at pressure - Google Patents

Abstract

The invention relates to equipment for supplying a liquid under pressure and can be used to wash various surfaces. The purpose of the invention is to enhance the functionality by ensuring the formation of discontinuous jets. For this, the power cylinder is made in the form of concentrically arranged working and internal pistons, the inner one of which is connected on both sides with hollow output rods placed in the rods of the working piston. In this case, the rods of both pistons are bent. With the formation of a tubular frame, the diameter of the side branches of the working piston rod is larger than the diameter of the output rod by an amount proportional to the output flow, and the means for releasing the liquid are made in the horizontal branch of the working piston rod and in the horizontal branch of the output rods, a partition is made, dividing the cavity of the rods into two, and the rods themselves are made with spring protrusions and dispensing channels placed in them Ams for communication with twin holes. The device is provided with nozzles fixed in each of a pair of spray holes, each of which is directed in the opposite direction from the next one at an angle, preferably 45 ° C. to horizontal. To provide hydrostatic lubrication of the rods of the chamber of the working piston cavity, separated by an internal piston, they are connected by means of feedback channels made along the rods terminating at the ends of the rods by annular grooves and connected by a channel formed in the body of the working piston. 3 hp ff. 2 il .. (L

Description

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The invention relates to obscuration for the delivery of a liquid under pressure and can be used in the washing of various internal surfaces.

The purpose of the invention is to enhance the functionality by ensuring the formation of discontinuous jets.

FIG. 1 shows the proposed device, a general view5 of FIG. 2 - output rod, cut.

Fluid dispenser. under pressure includes a double-acting piston pump comprising a cylinder 1 with a piston 2, and means for discharging fluid. The ratio of the length of the piston 2 to the length of the cylinder 1. Selected equal to 1/2. Differential pistons 3, 4 are located in the cylinder, which function as suction and discharge valves and communicate with each other via feedback channel 5. The piston 2 has a drive rod 6 and an outlet rod 7 located on the opposite side of the outlet, ending with a means for releasing a liquid, made in the form of a ball head 8.

In the body of the piston 2 and in the rods 6 and 7 are axial channels 9.

In the piston, the radial channels jii 10 communicated with the axial channels 9 are placed along a helical line. The piston is 2 seconds. the ends is limited by seals 11,12. With each axial channel 9 communicated all the radial channels 10, lying on a common axial line with him (Fig. 2),

In the middle part, an annular recess 13 is made on the inner surface of the cylinder 1 for communication with the radial channels 10. The annular recess 13 is connected by means of the dispensing channels 14 to the outlets 15, 16 of the working chambers of the cylinder 1.

Differential pistons 3, 4 have suction 17 and 18 forcing channels and are made with piston protrusions 19.

The device works as follows.

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In the distribution pump (Fig. 12), when the piston moves between the differential pistons 3 and 4, the ring cavity 13 is filled continuously, the cavity of which always appears to be closed by the peripheral surface of the piston 2. In this case, the radial channels 10 of the piston 2 are alternately connected to the cavity of the ring cavity 13 and transfer the portions of the jets to the corresponding axial channel 9 and further to the nozzles of the ball head 8.

Claims (2)

1. A device for supplying a pressurized fluid, including a double-acting piston pump, containing a cylinder with a piston connected to a driving rod, outlets in the working chambers of the cylinder, and means for discharging a liquid, characterized in that, in order to expand the functionality by ensuring the formation of intermittent jets, the piston is made with an oppositely arranged drive rod on the opposite side relative to the drive line, communicated with axial channels made in the drive and output rods, communicating with the fluid outlet means, and the outlet openings of the working chambers communicate with the middle part the inner surface of the cylinder gQ annular recess to communicate with radial channels piston. 2.Device device 1, characterized by That ratio of piston length to cylinder length is chosen equal to 1/2. 0 five 0 45 55 00 () .sh § о о ф | about o €) b I f -V 00 o o o o  X / h v. 00 000 fig l / / 5 16 IG