SU79182A1 - Valve with a floating valve - Google Patents

Description

The invention is a development of the design of valves with floating valves, used as regulating devices on water supply lines, for example, in hydrocolumns, on steam pipelines of steam locomotives, etc.

Valves are known with a floating valve in the form of a cylinder, with its lower part resting on the saddle, and the upper part of the valve sliding in the cylindrical guide Kopinyca. An annular gap is made between the valve and the guiding surface of the valve body. The space above the valve is nootically communicated through this gap with the working medium from its approach to the valve. In addition, the space above the valve may optionally communicate with the low pressure space.

In the proposed valve for heat transfer; valve openings are applied. The spool provides a message of the supravalanal space, with space, of the pressure at different valve heights. Fig: I schematically shows a sectional view of the valve; in fig. 2- it in “d from the side And in a section on li24 Slov. Release, 1 |. II, 95; year

HHJH / - / in FIG. one; in fig. Figures 3 and 4 schematically depict another pho | rma polyphene; venttil, and in FIG. The 3-waad of the upper part of this valve is in section, and in FIG. 4-section view of the spool; in fig. 5 and 6, the third embodiment of the valve, in FIG. 5 shows a sectional view of the valve, and FIG. 6 is a sectional view along the lipia /// - / I in FIG. five.

In the valve (Fig. 1 and 2) the floating valve 1 is made in the form of a cylinder. With its lower part, the cylinder rests on the saddle a, and the upper slides in the cylindrical guide b of the casing 2. The space in above the valve through the RING back gap g is connected with the working medium g and can be a release valve 3 with the low pressure space.

When otkrggii. the starting valve 3, the pressure in the nickle space in the valve drops / starts to rise. The lift continues until the valve, with its upper edge, blocks the opening, leading to the 5 n starting valve. The flow through the valve becomes the same as its flow through the gap G. After the starting valve is closed. pressure in the piston space

The valve increases and valve 1 closes. FIG. 1 the valve is shown closed, and in FIG. -2 open.

The bottom of the elbow and body of the knee is provided with a channel, which connects the eHjriipeHHee space to the external and intended to remove the valve / liquid left after the valve is closed. When valve 1 is raised, this channel is blocked by the stem of valve stem 4.

At the valve (Fig. 3 and 4), in order to control the magnitude of the valve opening, a number of channels I-IV (Fig. 3) are placed at different heights and alternately closed by the valve as it moves upwards in the valve chamber above the valve. From each hole there is a tube adjacent to the channel with the same number / -VI (Fig. 4) in body 5 of spool 6. Manually moving the valve from the body, telling channels / or // or /// (fig, 3) and so on with an annular recess l (Fig. 4), and the liquid or steam from the valve space leaves through the corresponding channel, the recess l central channels to the low-pressure cavity. The valve rises to the equalization of the O / f hairs, // or /// (Fig. 3), which at this position of the spool is associated with a low-pressure cavity. Ta: Ki1M method, step-by-step adjustment of valve opening is carried out.

The valve (FIGS. 5 and 6) is designed to continuously regulate the opening of the valve. The opening value of the valve 7 (Fig. 5) is consistent with the valve by the spool valve device, SY1STANDING from cup 8 from the hole (Mi o, welded to the upper part of the valve and the stick 9. When moving the valve, the cup 8 slides with its upper part in the cylindrical part of the valve body 10 When the valve 5 is lifted, the over-valve spacing is communicated through the holes about and through the axial channel n and the radial channels p in the rod 9 with the low pressure tube 11. The height of the lift:

changing the position of the rod 9. by means of a manual actuator 12 (Fig. 6) and 13 (Fig. 5).

Subject invention

Claims (4)

1. A valve with a floating valve, made in the form of a cylinder, with the lower part of the supporting seat, and the upper part of the sliding into the cylinder, with a rychical guide housing, in which the space above the valve is constantly connected through the annular gap between the valve and the guide the valve body surface with the working medium from the side of its approach to the valve and can be arbitrarily communicated with the low pressure space, characterized in that a spool is used to regulate the opening of the valve th: a message from space to the low pressure of the variable height nadkl apannogo space consisting anstva. 2. A fan according to claim 1, characterized in that the conduit is diverted. its body is made in the form of a knee, the bottom wall of which is provided with a channel that communicates the inner space of the knee with the outer space, and the valve is equipped with a horn valve closing this channel when the valve is raised. 3. The form of execution of the valve according to claim 1, from the sheet, which is about the GOLD made in the form of a rolling pin, which gives a low pressure message with radial channels in the body of the spool extending into the valve space above; different height last. 4. The valve gouging form according to claim 1, characterized in that the valve is made of a cup 8 mounted on the top valve valve with holes in its wall, skewed by the upper part in the cylindrical guide body of the valve and randomly moved with the rod 9, the axial and radial channels of which communicate the supraclavian space with the low pressure space when opening the lower end of the stem of the holes in the glass 8. FIG. 3 24 371 I L J FIG. four - about - No. 79182 FIG. 6