US613830A - Globe-valve - Google Patents

Globe-valve Download PDF

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Publication number
US613830A
US613830A US613830DA US613830A US 613830 A US613830 A US 613830A US 613830D A US613830D A US 613830DA US 613830 A US613830 A US 613830A
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Prior art keywords
valve
cap
globe
stem
socket
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element

Definitions

  • This invention relates to globe-valves.
  • My object is to provide an improved valve of the class described which will be of simple and cheap construction and which will be selfpacking, so that the necessity of employing packing-rings is satisfactorily obviated.
  • a further object is the provision of novel devices whereby the valve itself is fed directly toward and away from its seat without rotat- 1ng.
  • the invention consists of a globe-valve comprising certain improved features and novel combinations of parts appearing more fully hereinafter.
  • Figure l is a central vertical section
  • Fig. 2 a detail view, showing the coaction of the valve with its guides.
  • the numeral 1 designates the valve-casing, which is provided with a central partition, as usual, and has a seat 2.
  • the numerals 3 and 4 designate two guides which are secured in the casing above the seat and at one side thereof.
  • a cap provided with screw-threads 5,which screw into the valvecasing immediately above the seat.
  • This cap has a nut, so that it can be easily turned.
  • the cap is provided with a socket 5 in its lower end.
  • the numeral 6 designates a valve-stem having a head adapted to fit in the aforesaid socket and provided with a screw-threaded shank 7,which passes loosely through the cap.
  • the numeral 10 designates the valve,wl1icl1 receives the screw-threaded portion 9.
  • This valve has a guide-pin 11, that is received loosely between the guides, and hence the up and-down movement of the valve is guided so that it cannot be turned.
  • the numeral 12 designates a nut on the stem
  • 13 is a coil spring encircling the stem and interposed between the nut and the cap. The nut is adjusted until the tension of the spring holds the head in the socket of the cap.
  • valve is selfpacking, this being accomplished by the head and the socket of the cap.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Mechanically-Actuated Valves (AREA)

Description

Patented N09. 8, [898.
No. 6l3,830.
G. G. WELSH.
GLOBE VALVE.
(Appliation filed Apr. 13, 1897.)
(No model) WITNESSES Amway UNITED STATES PATENT OFFICE.
GEORGE G. WELSH, OF ELLWOOD CITY, PENNSYLVANIA.
G LOBE-VALVE.'
SPECIFICATION forming part of Letters Patent No. 613,830, dated November 8, 1898.
Application filed April 13, 1897. Serial No. 631,906. (No model.)
To all whom it may concern:
Be it known that I, GEORGE G. WnLsH, a citizen of the United States, residing at Ellwood City, in the county of Lawrence and State of Pennsylvania, have invented certain new and useful Improvements in Globe= Valves; and I do hereby 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.
This invention relates to globe-valves.
My object is to provide an improved valve of the class described which will be of simple and cheap construction and which will be selfpacking, so that the necessity of employing packing-rings is satisfactorily obviated.
A further object is the provision of novel devices whereby the valve itself is fed directly toward and away from its seat without rotat- 1ng.
Having the foregoing objects in view, the invention consists of a globe-valve comprising certain improved features and novel combinations of parts appearing more fully hereinafter.
In the accompanying drawings, Figure lis a central vertical section, and Fig. 2 a detail view, showing the coaction of the valve with its guides.
The numeral 1 designates the valve-casing, which is provided with a central partition, as usual, and has a seat 2.
The numerals 3 and 4 designate two guides which are secured in the casing above the seat and at one side thereof.
At 5 there is shown a cap provided with screw-threads 5,which screw into the valvecasing immediately above the seat. This cap has a nut, so that it can be easily turned. The cap is provided with a socket 5 in its lower end.
The numeral 6 designates a valve-stem having a head adapted to fit in the aforesaid socket and provided with a screw-threaded shank 7,which passes loosely through the cap.
On this stem there is fitted a hand-wheel 8. The lower end of the stem is screw-threaded at 9.
The numeral 10 designates the valve,wl1icl1 receives the screw-threaded portion 9. This valve has a guide-pin 11, that is received loosely between the guides, and hence the up and-down movement of the valve is guided so that it cannot be turned.
' The numeral 12 designates a nut on the stem, and 13 is a coil spring encircling the stem and interposed between the nut and the cap. The nut is adjusted until the tension of the spring holds the head in the socket of the cap. When the hand-wheel'is turned, the valve-stem is rotated in the cap, and owing to the reception of the screw-threaded end of said stem in the valve the latter is raised or lowered and un seated or seated.
It will be observed that the valve is selfpacking, this being accomplished by the head and the socket of the cap.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
A globe-valve comprising the combination of a casing having the usual valve-seat, and having guides or guide-flanges projecting inwardly from the casing adjacent to the seat, a cap provided with a socket fitted to the casing, a valve provided with a guide pin or pro= jection, a screw-threaded valve-stem for operating the valve, provided with a head to fit in the socket of the cap, a spring embracing the upper part of the valve-stem, and means, as a nut, for adjusting the tension of the spring to maintain a proper pressure between the socket in the cap and the head on the stem, substantially as described.
In testimony whereof I have signed this specification in the presence of two subscribing witnesses.
GEORGE G. WELSH.
Witnesses:
WILLIAM G. GUTHRIE, J. O. LEOHNER.
US613830D Globe-valve Expired - Lifetime US613830A (en)

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