US3776505A - Valve - Google Patents

Valve Download PDF

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Publication number
US3776505A
US3776505A US00297992A US3776505DA US3776505A US 3776505 A US3776505 A US 3776505A US 00297992 A US00297992 A US 00297992A US 3776505D A US3776505D A US 3776505DA US 3776505 A US3776505 A US 3776505A
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United States
Prior art keywords
valve
valve rod
rod
seat
guide pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00297992A
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English (en)
Inventor
S Nakanishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kobe Steel Ltd
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Kobe Steel Ltd
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Filing date
Publication date
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
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Publication of US3776505A publication Critical patent/US3776505A/en
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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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/24—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with valve members that, on opening of the valve, are initially lifted from the seat and next are turned around an axis parallel to the seat

Definitions

  • ABSTRACT A valve comprising a valve plate for closing a through Foreign Application Priority Data fluid passageway which is first retracted from the Sept. 30, 1971 Japan 46/77224 valve seat and then rotated in order to p a valve rod having an eccentric portion rotatably supporting [52] us. Cl. 251/163, 251/215 the valve p a retraction g i p n f r h alve [51] Int. Cl.
  • the present invention relates generally to a valve, and more particularly to a valve including a valve body forming a fluid passageway therethrough, an annular valve seat coaxial with the axis of the fluid passageway, a valve rod rotatably disposed on the valve body being oriented perpendicular to the axis of the valve seat and adapted to operate from outside the valve body, and a valve plate adapted to engage the valve seat and thereby open and close the fluid passageway in response to operation of the valve rod.
  • valve plate in the valve opening process, the valve plate is first retracted from the valve seat and then rotated through 90 without disturbing the valve seat.
  • valverod which is provided with an integral eccentric portion to rotatably support the valve plate.
  • a first guide pin actingas a retraction guide pin and a second guide ,pin acting as a rotation guide pin are disposed on the valve platef
  • the first guide pin cooperates with a first groove formed in the valve body at a first portion of the rotation of the valve rod to retract the valve plate from the valve seat as the eccentric portion revolves about the axial center of the valve rod.
  • the second guide pin cooperates with a recess meansof the valve rod only at a second portion of the rotation of the valve rod tol'ock the valve plate with the valverod so that it will rotate'therewith.”Consequently, in the valve opening operation, the valve plate first :is 'retracted from the valve seat to clear a rotation path and then is rotated with the valve 'ro'dto a fully open position.
  • a-second'guide'groove may be' providedto allow projection of-the second guide ":pin only at the second portion ofthe rotation of'the valve-rod.
  • the construction is very simple andrelative sliding parts are few, so that the valve, according to'theinvention, is easy to'm'anu'facture and has along operational life.
  • FIG. 1 diagrammatically shows a longitudinal sectional view of one embodiment of the valve according to the present invention
  • FIG. 2 diagrammatically shows a plan view, a portion thereof being broken away, of the moving part of the valve shown in FIG. 1;
  • FIG. 3 is similar to FIG. 2, illustrating the open position of the valve
  • FIG. 4 is a diagrammatic illustration of the open position of the valve
  • FIG. 5 to FIG. 7 show relative positions of the valve elements on an enlarged scale, in which FIG. 5 shows the valve in its closed position, FIG. 6 shows the valve in its parallel retracted position, and FIG. 7 shows the valve in its open position;
  • FIG. 8 to FIG. 10 show three relative positions of the pins and the corresponding guide grooves on an enlarged scale, generally corresponding to FIGS. 5 to 7;
  • FIG. 11 is generally similar to FIG. 8, showing an alternative form of the engaging pin
  • FIG. 12 is generally similar to FIG. 2, showing another embodiment to urge the valve plate; and,
  • FIG. 13 shows a diagrammatical sectional view of an other embodiment of the guide pin shown in FIG. 1.
  • valve according to the present invention is shown in its closed position.
  • the valve provides a valve body '1 having a fluid passageway 1' axially .formed therethrough and being adapted for insertion into a fluid pipe line, not shown, by suitable retaining means, such as bolts, also not shown.
  • the valve body '1 forms a valve chamber to receive a valve plate 3, a valve plate actuating assembly, which will be described more fully hereinafter, and a valve seat 18 to be engaged by the valve plate 3 in its closed position.
  • the valve seat 18 is shown as being a portion of the valve body 1,but it should be understood that the valve seat '18 can be separately formed as an annular ring which may be secured with the valve body 1 in known manner, such as by press fitting therein.
  • valve rod 2 is rotatably inserted in the valve chamber transversely extending across the'fluid passageway '1
  • the top end of the valve rod '2 is formed to receive a valve operating member, not shown, such as, for example, a lever, a handle or other suitable mechanism, 'to rotate the valve rod 2 between the closed and opened positions thereof.
  • valve chamber isclosed 'bycovers 22 and 23 which also ,guide the valve rod .2 by suitable bearing means disposed therein not shown.
  • the retraction guide pin 10 is secured within the mounting block 4 and projects radially outwards from the outer surface thereof.
  • the rotation guide pin 9 is slidably engaged in hole 14 and is urged outwardly by a spring 11 which engages the bottom surface of pin 9.
  • the guide pins 9 and 10 are shown as being arranged at one side of the rod 2 for convenience of illustration, however, the guide pins 9 and 10 are preferably arranged diametrically opposite of the center of the eccentric portion 2' of the valve rod 2 and parallel to the valve plate 3, as shown more clearly in FIGS. 2 and 5 to 7. As the upper and lower mechanisms are similar to each other, only the upper mechanism is described fully herein.
  • the fixed ring 6 encircling the valve rod 2 is secured to the valve body 1 by one or more pins 12.
  • the fixed ring 6 has a guide groove 17 formed on its inner surface for engaging the projected portion of the retraction guide pin and a guide groove 16 to receive the projection of the rotation guide pin 9.
  • the guide grooves 16 and 17 detailed description will be given hereinafter, referring to FIGS. 5 to 7.
  • An annular moving ring 7 is disposed in a cylindrical recess of the fixed ring 6 and is secured to the valve rod 2 by one or more pins 13.
  • the inner surfaces of the rings 6 and 7 engage the outer surface of the mouunting block 4.
  • the moving ring 7 has a through opening disposed at a radius r from the center 0 of the valve rod 2 and diametrically opposite to the center 0 of the eccentric portion 2' or just as the position shown in FIG. 1.
  • the opening 15 slidably accommodates an engaging pin 8, the top surface of which is engaged by the guide groove 16 and the bottom surface of which is engaged by the rotation guide pin 9.
  • the length of the engaging pin 8 corresponds to the thickness of the moving ring 7.
  • the relative positions of the engaging pin 8, guide pin 9 and the guide groove 16 are arranged such that, in the closed position of the valve plate 3, no relative engagement is present, as shown in FIG. 5, and after the rod 2 is rotated through 90 and the valve plate 3 is retracted, the engaging pin 8, guide pin 9 and the guide groove 16 are aligned as shown in FIG. 6, and the guide pin 9 is thus projected into the hole 15 by the spring 11 to guide the valve plate 3 so that it rotates to the open position.
  • the groove 16 is tapered to decrease the depth of the groove, to guide the head of the engaging pin 8, as shown in FIG. 9.
  • FIG. 5 shows the relative positions of the pins 8, 9 and 10 and the grooves 16 and 17 in the closed position of the valve. From the center 0 of the valve rod 2, the YY axis is parallel to the center axis of the valve opening 1' and the X-X axis is perpendicular to the YY axis and parallel to the surface of the valve seat 18. In the closed position, center 0 of the eccentric portion 2' of the rod 2 aligns with the YY axis at a distance I from the center 0.
  • the guide pin 9 is arranged at a distance s from the center 0' and parallel with the X- axis, and the distance s r I, so that when the center 0' is on the X-axis, the guide pin 9 aligns with the groove 16.
  • the guide pin 10 is arranged at a distance T from the center 0' at opposite side of the pin 9.
  • the guide groove 17 consists of two different curves, the first of which starts from the closed position of the pin 10, that is at the distance T along the X-axis and the distance I along the Y-axis and the radius of the curve is I, having its center at the X axis at the distance T from the center 0.
  • the end of the first curve aligns with the X-axis, and is connected with the second curve of a radius T I having a center 0.
  • the second curve extends about
  • the guide groove 17 guides the guide pin 10 along a full operating position of the valve.
  • FIG. 1 and the solid line of FIG. 2 show the closed position of the valve plate 3 which engages the valve seat 18 to shut off the fluid passageway 1.
  • the valve plate 3 retracts from the valve seat for some distance, as shown by a dot-and-dash line in FIG. 2 and FIG. 6, and upon further rotation of the valve rod 2, the valve plate 3 rotates 90 to its fully open position, as shown in FIG. 3 and FIG. 7.
  • Relative positions of the pins 8, 9 and 10 and grooves 16 and 17 are shown in FIGS. 5 and 8 in the valve closed position, FIGS. 6 and 9 in its retracted position, and FIGS. 7 and 10 in its fully open position.
  • valve rod 2 is rotated clockwise to open the valve.
  • the eccentric portion 2' of the valve rod 2 rotates about the center 0 of the valve rod 2 by the radius of eccentricity I.
  • the center 0 of the eccentric portion aligns with the X-axis as shown in FIG. 6, the new position of the eccentric portion being shown as O" in FIG. 6.
  • the valve plate 3 and the mounting block 4 are not secured with the eccentric portion 2, and the guide pin 10 is guided by the first portion of the guide groove 17 of the fixed ring 6, the valve plate 3 and the mounting block 4 retract from the valve seat 18 and displace rightward at eccentricity l.
  • the curvature of the first portion of the guide groove 17 and the path of center 0' of the eccentric portion are the same, that is, the periphery of a circle having radius 1, as described before, thus the valve plate 3 retracts from the valve seat maintaining a relatively parallel position.
  • the rotation guide pin 8 aligns on the X-axis and also aligns with the guide groove 16.
  • the engaging pin 8 which is accommodated in the hole 15 of the moving ring 7 which is secured with the valve rod 2, rotates with the valve rod 2 and aligns on the X-axis and also aligns with the guide pin 9 and the guide groove 16.
  • the engaging pin 8 begins to enter into the tapered portion of the guide groove 16 and the guide pin 9 first enters into the hole 15 of the moving ring 7.
  • the moving ring 7,,the mounting block 4 and the valve plate 3 reach the fully open position shown in FIGS. 3, 7 and 10.
  • the pins 8, 9 and 10 align on the Y-axis and the valve plate 3 rotates without contacting the valve seat 18.
  • the center'O of the eccentric portion 2 that is, the center of the valve plate 3 retracts twice the eccentricity, or 21. Consequently, although the outside diameter D of the valve plate 3 is larger than the inside diameter D of the valve seat 18, the valve plate 3 can be rotated without contacting the valve seat 18.
  • the eccentricity l of the eccentric portion 2' can be selected from the outside diameter D of the valve plate 3, inside diameter D of the valve seat 18 and the distance W between the center of the valve rod 2 and the valve seat surface.
  • valve rod 2 is rotated counterclockwise 180.
  • the valve plate rotates 90to the retracted position shown in FIG. 6, and with the next 90 of rotation, the valve plate 3 contacts the valve seat 18 to provide the closed position.
  • the fixed ring 6, moving ring 7, pins 8, 9 and 10, guide grooves 16 and 17 are preferably provided at both the upper and lower portions of the valve rod '2, as shown in FIG. 1.
  • the valve operating mechanism is very simple and positive operation is readily attained.
  • FIG. 11 shows an alternative embodiment of the engaging pin 8.
  • a ball is inserted in a recess at the top surface of the pin 8.
  • the ball 20 can pass through the tapered portion of the guide groove 16 easily and smoothly without causing excessive wear.
  • FIG. 12 shows another embodiment for urging the valveplate 3 to the valve seat 18 upon operation of the valve rod 2.
  • the center of the eccentric portion 2' does not meet with the Y-axis and forms an angle a relative to the Y-axis.
  • the closed'position shown in FIG. 12 can be attained. In this case, the rotation angle of the valve rod 2 to retract the valve plate 3 is decreased to 90 a.
  • the angle a is small, a large urging force can be attained by relatively small rotational movement of the valve rod 2. If desired, the same effect can be attained by providing a slightly higher valve seat 18 in the first described embodiment. In this case the center axis of the valveseat and that of the valve plate are slightly displaced. I
  • FIG. 13 shows another embodiment of the guide pin 10 and the guide groove 17.
  • the guide pin 10 guides the valve plate "3 only during retraction of the valve plate 3, so'that only the first curved portion having a I operation is also very simple.
  • the valve can be closed 6 radius 1 is effective.
  • guide groove 17 can be limited only to the first'portion as shown in FIG. 13. The three posipositively without causing excesssive wear.
  • valve body forming a fluid passageway therethrough, an annular valve seat coaxial with the axis of said fluid passageway, and a valve rod means rotatably disposed on the valve body perpendicular to the axis of said valve seat and adapted to be operated from outside said valve body, the improvement characterized by:
  • valve rod having an integral eccentric portion
  • valve plate rotatably supported by said eccentric portion and engagable with said valve seat
  • valve plate a first and a second guide pin disposed in said valve plate
  • valve body having a first guide groove to guide said first guide pin to retract said valve plate during a first portion of rotation of said valve rod;
  • valve rod means forming recess means adapted to engage with said second guide pin
  • mounting block means mounting said valve plate to said valve rod, said first and second guide pins being disposed in said mounting block means.
  • valve rod means including a moving ring secured to said valve rod and having a through hole being said recess means;
  • said means for engaging said recess means with said second guide pin being an engaging pin slidably disposed in said through hole and engageable with said second guide pin;
  • valve body having a second guide groove engageable with said engaging pin, whereby during said second portion of rotation of the valve rod, said engaging pin engages said second guide groove and allows said second guide pin 'to slide into said through hole to lock said valveplate to saidvalve rod to rotate therewith.
  • valve according to claim 1 wherein the relative positions in the valve closed position of said valve rod, said eccentric portion, said valve plate and said valve seat are determined such that a line through the centers of said valve rod and said eccentric portion forms an angle to the axis of said valve seat, whereby operation of said valve rod urges the valve plate toward the valve seat.
  • valve according to claim 2 wherein the relative positions in the valve closed position of said valve rod, said eccentric portion, said valve plate and said valve seat are determined such that a line through the centers of said valve rod and said eccentric portion froms an angle to the axis of said valve seat, whereby operation of said valve rod urges the valve plate toward the valve seat.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Mechanically-Actuated Valves (AREA)
US00297992A 1971-09-30 1972-10-02 Valve Expired - Lifetime US3776505A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46077224A JPS5036689B2 (enExample) 1971-09-30 1971-09-30

Publications (1)

Publication Number Publication Date
US3776505A true US3776505A (en) 1973-12-04

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Application Number Title Priority Date Filing Date
US00297992A Expired - Lifetime US3776505A (en) 1971-09-30 1972-10-02 Valve

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US (1) US3776505A (enExample)
JP (1) JPS5036689B2 (enExample)
GB (1) GB1402004A (enExample)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894714A (en) * 1973-03-14 1975-07-15 Ca Atomic Energy Ltd Rotary valve
US3894715A (en) * 1973-03-14 1975-07-15 Ca Atomic Energy Ltd Rotary valves
US3934606A (en) * 1974-06-20 1976-01-27 Grove Valve And Regulator Company Cam locked ball valve
US4206903A (en) * 1978-08-11 1980-06-10 Domer Scaramucci Butterfly valve with cam actuable seat
US4313592A (en) * 1979-07-09 1982-02-02 Holland Bergen Op Zoom B.V. Machinefabriek En/Ijzergieterij Butterfly valve
US5118078A (en) * 1991-05-16 1992-06-02 Tylan General, Inc. Butterfly valve having improved sealing characteristics
US5330157A (en) * 1993-07-28 1994-07-19 Hull Corporation Rotary disk valve
US5791433A (en) * 1994-10-04 1998-08-11 Koyo Seiko Co., Ltd. Variable throttle valve with eccentric members, for use in hydraulic steering device
US20160334023A1 (en) * 2014-01-08 2016-11-17 Shanghai Hongyan Returnable Transit Packaging Co., Ltd. Valve
US20170152953A1 (en) * 2014-06-30 2017-06-01 Aisan Kogyo Kabushiki Kaisha Double eccentric valve
US20180274683A1 (en) * 2015-10-05 2018-09-27 Ihara Science Corporation Valve
WO2021101544A1 (en) * 2019-11-21 2021-05-27 Itt Manufacturing Enterprises Llc Dual motion shutoff valve

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51162328U (enExample) * 1975-06-18 1976-12-24
JPS5355727A (en) * 1976-11-01 1978-05-20 Nishishiba Denki Kk Brushless ac generator
GB2203818A (en) * 1987-03-03 1988-10-26 R A J Thomson Pipework & Valve Improvements in or relating to valves

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919885A (en) * 1958-11-17 1960-01-05 Missile Valve Corp Inc Butterfly valve
US3033513A (en) * 1959-01-16 1962-05-08 Vulliez Paul High-speed universal control system for rotary valves assuming two successive movements

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919885A (en) * 1958-11-17 1960-01-05 Missile Valve Corp Inc Butterfly valve
US3033513A (en) * 1959-01-16 1962-05-08 Vulliez Paul High-speed universal control system for rotary valves assuming two successive movements

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894714A (en) * 1973-03-14 1975-07-15 Ca Atomic Energy Ltd Rotary valve
US3894715A (en) * 1973-03-14 1975-07-15 Ca Atomic Energy Ltd Rotary valves
US3934606A (en) * 1974-06-20 1976-01-27 Grove Valve And Regulator Company Cam locked ball valve
US4206903A (en) * 1978-08-11 1980-06-10 Domer Scaramucci Butterfly valve with cam actuable seat
US4313592A (en) * 1979-07-09 1982-02-02 Holland Bergen Op Zoom B.V. Machinefabriek En/Ijzergieterij Butterfly valve
US5118078A (en) * 1991-05-16 1992-06-02 Tylan General, Inc. Butterfly valve having improved sealing characteristics
US5330157A (en) * 1993-07-28 1994-07-19 Hull Corporation Rotary disk valve
US5791433A (en) * 1994-10-04 1998-08-11 Koyo Seiko Co., Ltd. Variable throttle valve with eccentric members, for use in hydraulic steering device
US20160334023A1 (en) * 2014-01-08 2016-11-17 Shanghai Hongyan Returnable Transit Packaging Co., Ltd. Valve
US10641399B2 (en) * 2014-01-08 2020-05-05 Shanghai Hongyan Returnable Transit Packagings Co., Ltd. Valve
US20170152953A1 (en) * 2014-06-30 2017-06-01 Aisan Kogyo Kabushiki Kaisha Double eccentric valve
US10024438B2 (en) * 2014-06-30 2018-07-17 Aisan Kogyo Kabushiki Kaisha Double eccentric valve
US10260637B2 (en) * 2014-06-30 2019-04-16 Aisan Kogyo Kabushiki Kaisha Double eccentric valve
US20180274683A1 (en) * 2015-10-05 2018-09-27 Ihara Science Corporation Valve
US10436329B2 (en) * 2015-10-05 2019-10-08 Ihara Science Corporation Valve having a stem spaced away from a valve seat and configured to rotate around an axis parallel with an opening surface of the valve seat
WO2021101544A1 (en) * 2019-11-21 2021-05-27 Itt Manufacturing Enterprises Llc Dual motion shutoff valve
EP4062087A4 (en) * 2019-11-21 2023-08-16 ITT Manufacturing Enterprises, LLC Dual motion shutoff valve
US11796066B2 (en) 2019-11-21 2023-10-24 Itt Manufacturing Enterprises Llc Dual motion shutoff valve

Also Published As

Publication number Publication date
GB1402004A (en) 1975-08-06
DE2247789A1 (de) 1973-06-14
DE2247789B2 (de) 1975-11-06
JPS5036689B2 (enExample) 1975-11-27
JPS4841324A (enExample) 1973-06-16

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