Discharge device

 

(57) Abstract:

Usage: in plumbing. The essence of the invention, the ball valve is placed with the opportunity to interact with a conical seat and connected a flexible shaft with a float. A housing with an upper inlet and lower outlet ports is made coaxially with the seat and communicated with the inlet of the neck, in which a gap is placed a float. The cross-sectional area of the gap is equal to the cross-sectional area of the inlet. 2 Il.

The invention relates to a device providing automatic mode is proportional to the volume of liquid to the user at regular intervals of time, and can be used in sanitary engineering.

Known flush the tank with automatic water output, comprising a housing with a top inlet and bottom outlet, ball valve, placed with the opportunity to mate with a conical seat and connected by a flexible rod with a float.

The main disadvantage of this device is the complexity of the design.

The aim of the invention is to simplify the design.

For this purpose, in known flush tank, comprising a housing with a top of vhodni is provided through a flexible rod with a float the body is made coaxially with the seat and communicated with the inlet of the neck, in which a gap is placed a float, and the cross-sectional area of the gap is equal to the cross-sectional area of the inlet.

In Fig. 1 and 2 shows the proposed discharge device respectively in closed and open positions of the valve.

Discharge device consists of a body 1 of the receptacle, connected to the valve body (valve-mixer) 2 directly through the adapter 3 with an inlet 4, the fitting 5 to the outlet 6 and the conical seat 7 mating with a spherical valve 8. The fitting 5 is connected a drain pipe 9 and valve 8 is connected by means of a flexible filament 10 float 11.

Case 1 in the upper part provided with a narrowed neck 12 that is positioned above the valve 8 to its axis. When the float 11 is placed in the mouth and forms with the inner wall of the neck 12 total gap size is equal to the sectional area of the inlet 4.

The length of the filament 10 is determined based on the position of the float 11 in the moment of filling the tank with liquid up to the beginning of the neck 12 line (0-0). When the float 11 is immersed in the liquid at the depth h. This position popley float 11 and the valve 8, the neck 12 is provided with a guide 13, in which additionally made the window 14 to the best of overflow liquid from the filler neck to the tank.

In Fig. 1 and 2 show the performance of the crane, in which the pipe 15 with the fittings 16 and 17 to drain the fluid through the drain tube or through a shower (with the control knob 18) is in a vertical position and elongated. This allows you to save the position of the drain tube 9 in height, without changing the position of existing pipelines.

Using the existing cranes to ensure the desired position of the drain tube 9 must be applied instead of the adapter 3 curved transition tube from the discharge device to the faucet or to change the relative position of plumbing devices relative to the pipeline.

To ensure the best possible overflow of liquid through the neck 12 when the upper float position it is provided with a groove 19. The distance to the grooves 19 more than the value h (approximately, a = 1,2 (h).

Discharge device operates as follows.

I. the Mode of periodic draining.

In the initial position, when the valves closed and the tank there is no liquid, the valve 8 is in the saddle 7 fitting 5 and the float 11 rests on the valve 8. When a minor is the neck 12, and through the window 14 of the guide 13. The valve 8 closes the inlet 6 and the tank there is a gradual accumulation of fluid. When the level of the liquid valve 8 is initially held the weight of the float 11 and its own weight, and the flooding fluid above the valve spindle is additionally charged by the height of the liquid column acting on the upper spherical portion of the valve.

As immersion of the float 11 in the liquid (the amount from the bottom edge of the float, whereby the weight of the float is equal to the buoyancy force acting on the submerged portion of the float) float rises, pulling the thread 10. At the time of thread tension 10 liquid level is 0-0 and further leakage of liquid through the opening 4 leads to a sharp increase in the rate of rise of the liquid level in the filler neck 12, so as a tank in this moment is completely filled before the start of the neck 12. Due to the sharp decrease of the cross section of the tank is equal to the area of the annular gap between the float 11 and a neck 12, there is an instant rise in the liquid level in the filler neck 12, and with it the float 11. This results in separation of the valve 8 from the conical seat 7, the valve 8 starts vozdeistvovat the civil saddle 7. Upon initial isolation valve 8 from seat 7 after through the resulting gap has less impact on the lowering of the level in the tank than the flow of fluid through the inlet. As a result, the system of the float 11 - valve 8 POPs up, occupying the position shown in Fig. 2. Begins after the liquid from the tank. As the lowering of the float 11 and the valve 8 are omitted, being in constant contact with each other. The leakage of liquid ends at the moment of contact of the valve 8 of the conical seat 7, and then repeats the cycle of accumulation and discharge of a measured amount of liquid from the tank. Depending on the opening degree of the valve periodic draining of liquids with different time interval.

II. The continuous draining.

With a large opening of the valve when the flow of fluid through the inlet 4 exceeds the end through the hole 6, the tank neck is completely filled with liquid and the float 11 with the valve 8 is always in the highest position. Outlet constantly open and through continuous leakage of liquid.

This groove 19 in the float promotes better is megalocnus drain in the accumulation of fluid in the tank).

In this case, the process of draining fluid can take place when the liquid level in the tank more of a level corresponding to the immersion of the float 11 to a depth h (see Fig. 1), which excludes the impact of the weight of the float 11 to the valve 8.

Upon reaching the liquid level is not less than the specified block the hole of the drain tube 9 (finger or hand) and the valve 8 after pressure equalization above and below the valve 8 due to incomplete sealing contact of the valve 8 with the saddle 7 POPs up, "chasing" the rising of the float 11. Occurs after the intermediate quantities accumulated in the reservoir fluid.

If the overlap of the drain tube 9 is performed before the liquid reaches a specified minimum level, then the valve 8 is closed and opens only at the moment when the rise of the liquid level.

The present invention can simplify the design of the discharge device and to improve conditions by eliminating the mating moving parts (rotating the l-shaped float and axis).

DISCHARGE DEVICE, comprising a housing with a top inlet and bottom outlet, ball valve, placed with the opportunity to interact with the Noah seat and communicated with the inlet mouth, in which a gap is placed a float, and the cross-sectional area of the gap is equal to the cross-sectional area of the inlet.

 

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The invention relates to water and can be used in various industries associated with the use of a metering device for liquids

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