Патент USA US2134277код для вставки
2,134,277 Patented Oct. 25, 1938 UNITED STATES PATENT OFFICE " 2,134,277 VALVE Mnonnmsm Charles W. Sproull and Leon J. Vetrano, ' - Houston, Tex. Application July 23, 1936, Serial No. 92,106 4 Claims. (Cl. 251-51) end of the section 5 by means of the clamp plate This invention relates to a valve mechanism 14 through which the rod l0 extends and the and has particular relation to that type of valve ' valve parts are'held ?rmly clamped together by mechanism adapted to be connected into a liquid the clamp nut l5 which is threaded on to the rod conducting line and whereby the line may be l0 and abuts the clamp plate M. The valve _5 opened and closed, the valve being equipped with section Shas a ?owway l6 therethrough. The a novel type of packing to prevent leakage. margins of the cup rings 1 and iii are over It is another object ofithe invention to pro turned ‘toward each other as shown in Figure 2 vide valve mechanism of the character described and ?t closely within the valve casing l. Inlet embodying a casing connected into a ?uid con and outlet lines l1, l8 are connected into the 10 valve casing. When it is desired to close the 10 ducting line and a valve movably mounted in the casing and having a flowway therethrough which valve the nut 8 maybe turned in an appropriate may be moved into and out of registration with direction to move the ?owway I6 out of registra the line to open and close the valve, said valve tion with the lines l1, Hi. When the valve reach being equipped with novel packing means to'pre- _ vent leakage past the valve when it is in closed position. With the 9390ve and other objects in view, the invention has particular relation to certain novel features of construction, operation and arrange ment of parts, an example of which is given in es the limit of its movement as shown invFigure 2, 15 the cup ring ‘I will completely span the in?ow line I‘! which carries the liquid under pressure and the cup ring ‘I will form a seal entirely around the valve casing and across the path of the oncoming flow so as to prevent any leakage 20 past the valve. The cup ring l3 will also form a seal entirely around the valve casing opposite this speci?cation and illustrated in the accom panying drawings, w herein: the cup ring 1 so that there can‘ be no leakage Figure 1 shows an e levational view of the valve ' past the valve when the valve is closed. shown partly in section. The cap 3 is secured in place by means of 25 Figure 2 shows a vertical sectional view taken a set screw l9. It will be noted that on the at right angles of the view shown in Figure 1. opposite side ‘of the valve casing there is an Figure 3 shows an elevational view partly in opening 20. Should the grit in the ?uid cut section of a modi?ed form of the valve. Figure 4 shows a vertical view thereof taken 30 at right angles to the form shown in Figure 3, and Figure 5 shows a cross sectional view of the form shown in Figure 4. ‘ Refering now more particularly to the drawr ings wherein like numerals of reference designate out or wear the material of the valve casing around the inlet opening the set screw l9 may 30 be removed and the cap 3 and valve assembly > given a half turn and the valve casing I then reversed in its position with respect to the lines ll and I8 so that the original outlet opening of the casing will become the inlet opening and 35 the mechanism in effect thus renewed. The set - the same parts in each of the ?gures the numeral I designates a valve casing which is preferably screw 19 may then be reinserted through the opening 20 and’ screwed into place. ' cylindrical in form. This casing is permanently In the form shown in Figures 3 and 4vthe closed at one end 2 and is closed at its other end valve 2| is substantially cylindrical and is ?tted 40 by the cap 3 which is screwed therein and is closely into the casing i. In this form the valve provided with a leak- duct 4. In the form shown is provided also with the cup ring l3 which is in Figures 1 and 2 the valve proper is formed clamped against the end of the valve by the of two sections 5, 6 whose abutting faces are clamp plate l4, said clamp plate being secured. diagonal and a cap shaped packing ‘I is ?tted in position on the rod [0 by the clamp nut 15 4 between said sections. There is an actuating nut as in the other ?gures. The form shown-in 8 which has a swivelling connection with the cap Figures 3 and 4 differ, however from that shown 3 which is turnable by means oi the hand .wheel in Figures 1 and 2 in that there is a cup ring 1a. 9. An actuating rod Ill has its outer end corre spondingly threaded through the nut 8 and is keyed against turning relative to the cap 4 by the countersunk into the side of the valve 2| .and . surrounding the inlet opening from the inlet/5' line H. This cup ring 1a is anchored securely '_ key N whose inner end projects into the longi in place by a clamp plate 22 which clamps tudinal keyway l2 in said rod. The inner end a thereagainst and is secured to the valve by the of the rod Ill is blank and is ?tted snugly through set bolt 23. This cup ring ‘la prevents any leak the section 5 of the valve and is screwed into the of the oncoming ?uid aroundthe valve. when I3 is clamped on the outer section 6. A cup ring 2,134,277 the valve is closed and the cup ring [3 in all of the forms prevents the leakage of liquid up past the valve into the valve casing. In the form shown in Figures 3 and 4 the valve 2| has the ?owway l5 as in the other ?gures. in closed position, said packing being su?iciently may then be reversed with respect to the inlet and out?ow lines as hereinabove explained and 3. ‘A valve mechanism comprising a valve cas ing having an inlet opening and an outlet open spaced from the end of the valve and having an overturned margin directed toward the inlet opening, when the valve is in closed position and being ?exible and ?tting closely against the wall In case the material around the inlet opening of the casing around the inlet opening, said mar of the form shown in Figures 3 and 4 should gin being exposed to the outward pressure of the become out out or worn away by the grit in the liquid whereby it is held closely against said wall oncoming ?uid, the valve assembly may be given 10 a half turn in the valve casing in the manner. the end of the valve spaced from said packing being adapted to close said inlet before the pack hereinabove explained in connection with the ing reaches a position where it will be impinged 10 description of Figures 1 and 2 and the casing by direct ?ow of ?uid. the valve thus renewed. ’ ing, a valve slidable in the casing and movable The valve 2| in the form shown in Figures 3 across the inlet opening into one position to close 15 and 4 is actuated in the, manner similar to that _' the inlet opening and into another position to explained in connection with the explanation of open said inlet opening, said valve having a the operation of the type of valve disclosed in recess in the side thereof adjacent the inlet open 20 Figures 1 and 2. ' ing, annular packing in said recess having an The drawings and description disclose what is annular, inwardly turned, ?exible margin ar-‘ 20 now considered to be a preferred form of the ranged to ?t closely against the adjacent wall of invention by way of illustration. only while the the casing and to closely surround the inlet open broad principle of the invention will be de?ned ving when the valve is in closed position, said by the appended claims. , packing being sumciently spaced from the for 25 What we claim is: Y, _ _ ward end of the valve so that as\the valve is 1. A valve mechanism comprising a valve cas moved to closed position the inlet will be closed ing having an inlet opening and an outlet open by said forward end before the packing reaches ing, a valve movable longitudinally in the casing a position where it will be impinged by direct 30 into active position to close the inlet opening 30 and into inactive position to clear said inlet 4. A valve mechanism comprising a valve cas opening, means for so moving the valve, said ing having an inlet opening, a valve in the casing valve having a packing countersunk into one having a side recess movable longitudinally of side thereof and formed with a ?exible margin 'the‘casing and across the inlet.opening into one overturned toward said inlet opening and ar position to close said opening'and into another 35 ranged to ?t constantly closely against the ad position to open said inlet opening, means for jacent wall of the casing and. to surround the moving the valve into either of said positions, inlet opening when vthe valve is in said active said valve having a packing in said recess whose position, the material of the valve being extended margin is outwardly thickened to contact with ' '40 beyond the packing, and being thus effective to close said inlet opening, as the valve'is moved toward active position, before the packing reaches a position where it is impinged by direct flow of ?uid. ~ , 2. A valve mechanism comprising a cylindrical valve casing having an inlet and an outlet open ing, a cylindrical valve ?tted snugly in the cas ing and movable longitudinally thereof into one position to close said openings ,and into another position to clear said openings, the side of the valve adjacent the inlet opening having an ap proximately circular countersunk recess therein, a packing ?tted into the recess and completely surrounding the inlet opening when the valve is the casing wall and approximately ?ush-with the surface of the valve to ,?t closely against the 40 inside wall of the casing, said packing being shaped to surround 'said inlet opening and to ?t closely against the wall of the casing around and adjacent said opening when the valve is in posi 45 tion to close said opening, said packing having 1 an inturned margin and spaced su?lciently from, the forward end of the valve so that as the ‘valve is moved to clos'v position the‘ inlet will be closed by said forward end before the packing reaches a position where it will be impinged by 50 direct ?ow of ?uid. ‘ ‘ ‘ _ CHARLES W. SPROULL. LEON J. VETRANO. '