US1217672A - Lubricator-filling valve. - Google Patents

Description

J. H. WATTEHS da W. H. BEAN.

LUBRICATOR FILLING VALVE.

APPLICATION FILED sinus. 191s.

Patented Feb. 27, 1917.

2 SHEETS-SHEET l J. H. WATTERS 6L W. H. BEAN.

LUBRICATOR FILLING VALVE.

APPLxcATIoN FILED sEPT.1a.191e.

1,217,672. Petented Feb. 27, 1917.

2 SHEETS-SHEET 2.

@03ML WMe-@Mum un-rra sans ATENT JOI-IN' I-I. WAT'IERS AND WILLIAM H. BEAN, OF ANNISTON, ALABAMA.

LUBRIcAToR-FILLING VALVE.

Application filed September 18, 1916.

To all cv/1.0m t may concern:

Be it known that we, Jol-1N H. lVATrEns and VILLIAM H.' BEAN, citizens of the United States, residing at Anniston, in the county of Calhoun and-State of Alabama, have invented certain new and useful, Improvements in Lubricator-Filling Valves; and we do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same. y

This invention relates to improvements in lling valves for lubrieators and the like, and the principal object isV to provide a device of this character which, when connected with the lubricator will effectively close the inlet thereof, yet readily allowing oil or other liquids to be poured into the latter at will.

An additional object isto provide a filling spout in connection with the valve whose cover is so connected to the valve stem that the valve will be opened when the cover is raised.

Still another object is to provide a filling valve of simple construction which can be very inexpensively manufactured and yet which will be very efficient in operation.

'Vith these and many other objects in view, the invention resides in the features of construction, combination and arrangement of parts which will be more particularly pointed out and described in the specification and claims.

In the accompanying drawings:

Figure l is a side elevation of one form of a filling valve constructed in accordance .with and embodying our invention;

Fig. 2 is a tcp plan view 'of the parts shown in Fig. l; v

Fig. 3 is a central vertical section illustrating the interior construction of this form of valve;

Fig. 4 is a horizontal section on the plane of the line lf-4C of Fig. 3;

Fig. 5 is a side elevation of a slightly modified form of filling valve;

Fig. 6 is a central vertical section;

Specification of Letters Patent.

Patented Feb. 27, 1917.

serial No. 120,814.

Fig. 7 is a horizontal section on the line 7 7 of Fig. 5.

Referring to the drawings it will be seen that two forms of filling valves are illustrated, the preferred form being shown in Figs. l to 1l, and the modified form in Figs. 5 to 7. The preferred form of valve comprises a valve casing lpreferably rectangular in cross section and provided with a reduced threaded end 2 foi-,connecting the device with a lubricator or other liquid container. Any other shape of casing might be provided, this particular form being merely illustrated for the sake of conven- 'ience.

The casing is provided with a filling spout preferably formed integrally therewith, said spout communicating with the interior of the casing whereby oil or other liquids may be permitted to enter the lubricator by way of the casing. This filling spout is provided with a cover or closure 8 which normally covers the inlet and prevents dirt and other foreign matter from entering the casing. The cover is hinged to the casing by means of a pivotrpin 9 which extends through a lug or linger l0, the latter -extending into the upper end of the valve casing.

'The lower or reduced end 2 of the valve casing is provided with a valve seat 1l in which a valve 5 normally rests. This valve is provided with a valve stem G which extends longitudinally substantially throughout the length of the easing. In order to guide the valve stem during the opening and closing ofthe valve 5 a combined stop and guide flange 8 is formed in the bore of the casing l. rIhis flange is formed integrally with the casing and surrounds the stem (i. The upper end of the latter has a cotter pin or the like extending therethrough, between which and the flange 8 is disposed an expansion helical spring 7, the same surrounding the upper end of the valve stem 6. This construction causes the valve 5 to be normally in engagement with the seat 4 so that no liquidcan enter or leave the lubricator until the valve stem 6 is depressed against the tension of its spring 7.

From Fig. 3 it will be seen that the finger 10 is dispose-d above the uppei` end of the valve stem G in order that when said cover 8 is raised the cam face 11 of the finger will engage said stem and simultaneously open the valve 5. l/Vhen the cover has been raised to its fullest extent the flat portion 12 of the finger 10 will engage the fiat end of the valve stem (i so that both the valve and the cover will remain open until the parts are manually disengaged. lVhen the inlet of the filling spout 3 has thus been opened a continuous passageway is provided between the latter and the lubricator or other receptacle upon which the device is mounted, thereby allowing oil or other liquid to be poured into the receptacle. As soon as a sufficient quantity has been deposited the cover 8 is closed, thus causing the linger 1() to be disengaged from the stem G and permitting the valve 5 to close.

The form of filling valve shown in Figs. 5 to 7 is somewhat diierent from the first described device, but it embodies the same general idea and a majority of its parts. The valve casing of this modied filling plug is designated by the numeral 15 and is provided with a reduced and threaded end 1G for the same purpose as the end 2v of the other form. The lower end of this valve casing is also provided with an'angular portion 17 which is adapted to be engaged by a wrench to facilitate in connecting the casing with its lubricator. The upper end of the casing which may be of any desired configuration is also reduced and externally threaded as shown at 18. The purpose of this last named part will presently appear. The casing 15 has a central bore similar to the casing 1 and hascommunicating therewith a filling spout 19.

lVithin the casing 15 is formed an inwardly extending combined stop and guide flange 2O in which the valve stem 21 of a valve 22 slides, said valve engaging a valve seat 23 at the end of the reduced portion 16. The flange 20 surrounds the stem 21 and acts as a stop against which one end of a helical expansion spring 24; abuts, the other end of said spring engaging a head 25 which is screwed upon or otherwise detachably connected with the upper end of the stem 21. rThis spring 24 holds the valve 22 normally closed since it bears against the flange 20 and the head 25. Y

So long as the tension of the spring holds the valv 22 closed no oil or other liquid can enter the lubricator with which the valve casing 15 is connected. Therefore it is necessary to force the head 25 downwardly against said spring so as to disengage the valve from its seat 3. In order to readily accomplish this an internally threaded cap 26 is screwed on the reduced portion 18 of the casing. This cap is preferably provided with a knurled or otherwise roughened gripping portion 27 to facilitate the rotation thereof. As the head 25 of the valve 21 projects above the top of the valve casing 15 it will be engaged by the cap 2G when the same is threaded downwardly, thus opening the valve 22 and permitting liquids to be poured into the lubricator through the filling spout 19. After the lubricator is full the cap is screwed upwardly to permit the expansion spring 24 to close the valve.

From the foregoing description it is obvious that we have produced extremely simple lubricating filling valves which will be very efficient in operation, and because of their simple nature can be inexpensively manufactured.

`life claim as our invention:

1. In a device 0f the class described, a valve casing, a filling spout communicating with the interior of said casing, a valve in said casing, a stem connected with said valve and extended through said casing, a stop on one end of the stem, a flange eX- Atending inwardly from the inner wall of said casing and surrounding said stem, an expansion spring engaging said stop and flange to normally retain said valve closed, and means for opening said valve against the tension of said spring.

2. In a device of the class described, a filling spout, a normally closed valve therefor, a cover for said spout, and a connection between said cover and valve, whereby the latter is opened when the cover is raised.

3. In a device of the class described, a valve casing, a filling spout communicating with the interior thereof, a valve in said casing, resilient means for holding said valve closed, a cover for said filling spout, and a connection Vbetween said cover and said valve, whereby the latter is opened when the cover is raised.

4,. In a device of the class described, a valve casing, a filling spout communicating with the interior thereof, a valve in said valve casing, a valve stem connected with said valve and extending into said casing, a spring engaging said valve stem for normally retaining said valve closed, a cover for said filling spout, said cover being pivoted to said casing, and means on the cover for engaging said valve stem to open the valve against the tension of said spring.

5. In a device of the class described, a valve casing, a lling spout communicating with the interior thereof, a valve in said casing, a valve stem connected to said valve and extending into said casing, a spring carried by the valve stem for normally retaining said Valve closed, a cover for said In testimony whereof We have hereunto 10 filling spout pivoted adjacent the free end Set our hands in the presence of tWo subof said Valve stern, a finger extending from scribing Witnesses.

said cover, said finger having a Cain face on 5 one side to engage the free end of said Valve stem, whereby the valve is opened when the former is raised, said finger also having a Vitnesses: fiat face to engage the free end of the valve R. P. PRUETT, stem to hold said cover in open position. J. H. VELLS.

devies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C.

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