SI8611438A8 - Noiseless valve with directed fluid flow - Google Patents

Description

NOISE VALVE WITH DIRECT FLUID FLOW

Oulast of the invention

The invention relates to a non-directional flowless fluid valve and falls within the field of vocosanitary fittings for fluids of all kinds. According to the International Patent Classification (MK?), The invention is classified, that is, classified 1 designated by the clause symbol P 16 K 1/02 which defines the opening, regulation and closure of liquid fluids.

Technical problem

The technical problem to be solved by the invention consists in the following: how to obtain a valve that will completely enclose in a closed state a fluid flowing and at which there will be no gravitation, whereby the valve in the open state must not produce catfish, ie. practically should be beige versus famous? valve designs.

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The state of the art

Known valves, for example, valves that are the most corrosion-proofing valve and operate on the principle of closure via a threaded load, with the rubber gasket resting on the seat of the valve, exhibiting a number of disadvantages. This closure results in uncontrolled stress. or. insufficient tightening of the rubber gasket to the valve seat, which in this case causes the valve seat to erode. As a consequence of the general condition of such valves is a leak?

valves, which expel the repair by aligning the valve seat a $ depending on the degree of clearance, this repair can often be performed only once or twice.

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Another disadvantage of these known valves is that there is excessive friction between the threaded spindle and the nut through which the threaded spindle is guided, which causes the threaded spindle to slip and to the shaft. The consequences of such friction are, among other things, an increase in the gap between the moving elements, which during operation of the valves causes vibrations of the moving components of the valve, and due to the action of fluid pressure, hydraulic shocks are transmitted, which are transmitted to the front of the installation, and these known valves become ex- | no noisy. f i

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From the patent file P-1211/06 by the same authors, a valve is known;

from directing the fluid flow, which consists of a piston rod screwed onto a threaded spindle rests on the wall in the spindle housing. The front part of the piston holder is fitted with a four-crossed rib cage and having ridges leading into the sleeve groove mounted on the piston with a rubber gasket attached to the valve seat.

This valve solves the problem of cavitation, but in certain operating modes this valve 3 produces noises much smaller than t v · -

»Those on conventional valves, but still present. The disadvantages of the known valves can be classified most rudely into two categories: either Cavitation ea is present during operation with conventional valves, or in case of cavitation removal, the problem of noise or noise of such valves still remains.

Description of the solution to the technical problem 'The technical problem is solved by finding it in a way that, on the coil, in the housing of the pivotally secured and secured, the spindle is screwed up with a kllpa carrier, connected on its forehead by the claws with a crossbar wing and a recessed groove to which it is drawn to the ridges of the piston and rested on the head of the housing of the spindle, with slots of the sleeve with a rubber seal.

The invention will be explained in greater detail by way of an exemplary embodiment shown in the drawings, wherein:

FIG. 1 shows a cross-sectional view of the spindle housing with the attachment members, FIG. 2 shows a piston of a valve according to the invention; FIG. 3 shows a horizontal projection of the piston of FIG. 2, FIG. 4 shows a cross-sectional view of the bushing along line A-A of FIG. 5, FIG. 5 shows a cross-sectional view of a bushing and the like. 6 shows a horizontal projection of the sleeve of FIG. 5.

Ma sl. In Fig. 1 shows a housing 9 spindles in which the inner cylindrical part is mounted spindle 10, which is secured from the outer strut of the housing 9 by a fuse 21 from axial sweep, in the coil 8 of the spindle 10 is screwed piston carrier 7, which is in relation to the housing 9 spindles, sealed sealant 19 made of rubber and mounted in corresponding grooves, made on the outside of the housing 9 of the spindle.

the front of the piston carrier 7 is made with an opening 24 that serves to center the piston 1, the drops from the claw 22 which are radially cut, for elasticity, and which stick to the edge of the piston 1. On the front part of the piston carrier, and on the outer sheath, are made discharges 6 which with the support of the teeth 23, made as inner g

toothed end of j) spindle housing. The discharges were made tangentially to the plunger carrier 7 and their function would be further explained.

In FIG. 1, 2 and 3, the plunger 1 shown is molded of plastic and has cross flaps 12, 13 which serve to direct the fluid. The wings 12, 13, on one side, extend into the expanded base portion i.e. the piston foot 5, at which the diametrically aperture is cast at the same time as the piston 1, the ridges 17 which serve to guide the piston 1 and prevent the rotation of the piston 1. Below the foot of the 5 piston, there is an edge 18 for which the claw of the piston carrier 7 is held, as well as round of the cross section of the shaft 25 which enters the opening 24 of the carrier 7 of the piston. Thin the walls of the piston 1 are drawn by the thin walls of the gasket 15, which is centered on the grooves 1G, incised on the wings 12 and 13.

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On the front part of the housing 9 of the spindle, there is a support sleeve 3, which has a adapted place on its front part for accepting a rubber gasket 2. The sleeve 3 is shown in detail on al. 4,5 and G. Caurci 3 has two diametrically opposite parallel grooves 14 on its inner bottom, which serve as a guide, respectively, in which the ridges 17 of the piston 1 of the bushing 3 are made on its sheath by slits 4 which are relative to the wings 12, 13 pistons 1 45 ° rotation, which enables the proper function of the blades 12, 13 which serve to direct the fluid at leakage in the direction of the slit 4, ϋ closed state of the valve, annular seal 15 is loaded on all four slots 4 on the sheath of the fiaura 3. Gasket 15 is thin-walled and also made of plastic as 1 piston 1, but for structural reasons, reasons for folding, it had to be separated.

The method of operation of the silent valve according to the invention is as follows:

The assembly shown in FIG. 1 may be screwed into a new valve body or to a previously repaired valve housing consisting of an alignment of the valve seat to which the rubber seal 2 of the assembly shown in FIG. 1.

By turning the spindle 10 anticlockwise, the coil ό is disengaged from the piston carrier 7, or. the piston 1 is lifted from the rubber seal 2 and forms a small annular gap through which fluid passes and fills the inside of the sleeve 3, the plastic thin-wall annular seal 15 not yet having its lower edge. crossed the lower edge of slot 4 on bushing 3. By further turning the spindle 10 in the same direction, the piston 1 rises further, creates a larger annular opening and the seal 15 opens the slots 4, thereby causing fluid to flow through the slots 4. The cross wings 12, 13 direct 4. Slide the valve in the reverse order, first closing the slots 4 and then only piston 1 closes the flow completely by tapping on the rubber gasket 2.

Like so ea fig. 1 see, piston 1 is still vertically guided by greeno 17 and does not have a rotation capability, so that due to the wings 12, .13, the directional fluid always flows in the same direction.

The valve according to the invention cannot be damaged by excessive tightening of the spindle 10 or by unscrewing the spindle 10 via a handle that is not shown. Namely, in the housing 9 of the spindle, on the inside diameter, and on the non-inferior part which is constantly in contact with the fluid, e.g. with water, the teeth 23 are engaged, which are in contact with the elastic discharges 6, made at once on the piston carrier 7. When the valve is closed, by turning the spindle 10 clockwise, the piston 1 is pressed against the rubber gasket 2 by a certain pin, until the spindle 10 is fully screwed into the piston carrier 7, when increased resistance is formed, so that the spindle 10 is put together with the plunger carrier 7, and even with it the outlets 6 of the plunger, with the elastic downspouts 6 bending over the teeth 23 while the claws 22 sliding hooked on the edge of the 18 pistons. This is accompanied by sound. This is also a signal that the valve is sufficiently closed. The same slip effect occurs when the valve is open and the operator intends to open it further.

The assembly shown in FIG. 1 is made in addition to gaskets 2, 19 and a fuse 21 of plastic, which avoids valve cavitation, and due to the low friction, provides a longer lifespan of these otherwise cheaply produced elements.

It has been experimentally found that the valve according to the invention is relatively quiet in relation to the known valves so far, because thanks to the wings and the additional opening of the slit 4 for leaking fluid, we obtain a virtually beSuman valve.

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An indication of the best way to commercially use the claimed invention

For the commercial use of the present invention, there is no need for any specific knowledge, experience or instructions to be applied. Only those dreams possessed by the average expert are necessary and sufficient for the successful preparation of the invention, and for the one of the given opiate of the invention.

In addition, it is necessary to pay attention to the following:

a) All valve parts fitted to the spindle housing 9 except the rubber gaskets 2, 19 and fuse 21 are made of Derlin 200 PL plastic - polyoetal and are molded by injection molding.

b) the thread on the 9 spindle housing is made aa a naive measure of 1/2 and is adjusted to JUS or DIN standards,

c) When assembling the valve assembly, the spindle 10 must first be screwed into the piston bracket 7 and secured by the locking levers 20. Such a subassembly with seals 19 is inserted into the housing 9 and secured by the spindle 16 by the fuse 21.

Piston 1 with the top thinly sealed gasket 15, pressed onto the face of the piston carrier 7, until the claws 22 reach the edge 18. I, such a subassembly, pull the sleeve 3 onto the ridges 17 of the piston 1 and deform a little through the piston 1.

PeSovič Predrag Stijelja Radoljub zebeljanovid Radomir

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Claims (2)

Patent claims 1. A silent valve with directional flow of fluid for liquid and gas fluids, characterized in that it is connected to the coil (8) in the housing (9) by a pivotally mounted and secured spindle (10) connected to a piston, connected to with its cut ends (22) and then the edge (18) of the piston (1) with cross wings (12, 13) and mounted in the groove (16) with a ring-disconnector (15), with the recesses (17) of the piston (1) being drawn in, and the spindle head (9) supported by slots (4) of the sleeve (3) with a guneno seal (2). 2. Befium valve with moderate fluid flow, according to claim 1, characterized in that, at the diametrically opposite ends, elastic discharges (6) which attach to the teeth (23) of the spindle housing (9) are made on the piston head (7). .