CN104197081B - A kind of control valve flexibly connects external member - Google Patents
A kind of control valve flexibly connects external member Download PDFInfo
- Publication number
- CN104197081B CN104197081B CN201410415263.9A CN201410415263A CN104197081B CN 104197081 B CN104197081 B CN 104197081B CN 201410415263 A CN201410415263 A CN 201410415263A CN 104197081 B CN104197081 B CN 104197081B
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- CN
- China
- Prior art keywords
- great circle
- pin
- honour
- auris dextra
- seat
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Classifications
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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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
- F16K31/163—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a kind of control valve and flexibly connect external member, comprise left earrings and auris dextra ring, the groove matched with the top of valve rod is formed in the middle of described left earrings and auris dextra ring, described left earrings and auris dextra ring are gone here and there at the two ends of great circle pin respectively, one is provided with its intersect vertical axis and the aperture of through great circle pin at the middle part of described great circle pin, connect the roundlet pin of great circle pin and seat of honour arc pedestal through one in described aperture, described seat of honour arc pedestal is set with one is implemented pretightening force anti-skidding equal power spring to it, described anti-skidding equal power spring is by great circle pin, roundlet pin is surrounded, described anti-skidding equal power spring upper end portion withstands on the seat of honour, and underpart withstands on left earrings and auris dextra ring, and the described seat of honour is provided with the head threads matched with piston rod.
Description
Technical field
The present invention relates to a kind of external member of the actuator of control valve and controlling mechanism being carried out flexibly connect, belong to control valve technical field.
Background technique
In industrial production control system, control valve is the final element formed by powered operation device, comprises a valve part, and inner band one can the controlling mechanism of alter flow rate.Valve part is connected with actuator, can the signal that transmits of response limiting element.For the control valve of straight journey, in as installed process, be difficult to accomplish that the output shaft of actuator is completely coaxial with controlling mechanism input shaft completely, can unbalance loading be there is in the power that therefore actuator acts on controlling mechanism, if adopt traditional being rigidly connected between actuator and controlling mechanism, then easily cause the valve rod of controlling mechanism to be bent, cause control valve generation jam phenomenon.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of external member of control valve actuator shaft and controlling mechanism input shaft being carried out flexibly connect is provided, the coaxality solving actuator shaft and controlling mechanism input shaft is difficult to the problem ensured, reduce the actuator of control valve and the difficulty of processing of controlling mechanism junction surface, eliminate the stuck phenomenon of control valve valve rod, improve control accuracy and the working life of control valve.
The present invention is by the following technical solutions:
A kind of control valve flexibly connects external member, comprise left earrings and auris dextra ring, the groove matched with the top of valve rod is formed in the middle of described left earrings and auris dextra ring, described left earrings and auris dextra ring are gone here and there at the two ends of great circle pin respectively, one is provided with its intersect vertical axis and the aperture of through great circle pin at the middle part of described great circle pin, connect the roundlet pin of great circle pin and seat of honour arc pedestal through one in described aperture, described seat of honour arc pedestal is set with one is implemented pretightening force anti-skidding equal power spring to it, described anti-skidding equal power spring is by great circle pin, roundlet pin is surrounded, described anti-skidding equal power spring upper end portion withstands on the seat of honour, and underpart withstands on left earrings and auris dextra ring, and the described seat of honour is provided with the head threads matched with piston rod.
Described left earrings and auris dextra ring are symmetrical arranged, and form I-shaped groove, and described I-shaped groove matches with valve rod upper end.
Described great circle pin, the length of roundlet pin are all less than the internal diameter of anti-skidding equal power spring, therefore anti-skidding equal power spring can prevent great circle pin, roundlet pin skids off pin-and-hole.
Described anti-skidding equal power spring original state is compressive state.
Using method of the present invention is as follows:
The piston-rod lower end of oil hydraulic cylinder spins together with the head threads flexibly connecting external member, and the valve rod lower end of controlling mechanism is connected with the spool of control valve, and upper end is made I-shaped, is nested in and flexibly connects in the I-shaped groove of external member; During the piston up-down of oil hydraulic cylinder, move up and down by piston-rod lower end, the spool that flexibly connects external member and valve rod band brake control valve, the valve opening of adjusting control valve.
Beneficial effect of the present invention is as follows:
The masterpiece that hydraulic actuator exports is used in and flexibly connects in external member, because the roundlet pin and great circle pin that flexibly connect external member can freely rotate, can rotate at the seat of honour and left earrings, auris dextra interannular, can the position difference that causes of the output shaft of automatic straightening actuator and controlling mechanism input shaft disalignment, thus the power effect that actuator exports fast and effeciently is passed to controlling mechanism, change the aperture of control valve.
The coaxality that the present invention solves actuator shaft and controlling mechanism input shaft is difficult to the problem ensured, reduce the actuator of control valve and the difficulty of processing of controlling mechanism junction surface, eliminate the stuck phenomenon of control valve valve rod, improve control accuracy and the working life of control valve.
Accompanying drawing explanation
Fig. 1 is control valve structural principle schematic diagram of the present invention;
Fig. 2 is the structural representation flexibly connecting external member in the present invention;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the B-B sectional view of Fig. 2;
Fig. 5 is the C-C sectional view of Fig. 2;
Fig. 6 is the structural representation of great circle pin in the present invention.
In figure: 1, oil hydraulic cylinder, 2, piston rod upper end, 3, piston, 4, actuator bracket, 5, external member is flexibly connected, 6, valve body, 7, spool, 8, valve rod, 9, piston-rod lower end, 10, lower hydraulic fluid port, 11, upper hydraulic fluid port, 12, left earrings, 13, bolt, 14, great circle pin, 15, roundlet pin, 16, anti-skidding equal power spring, 17, the seat of honour, 18, head threads, 19, auris dextra ring, 20, I-shaped groove, 21, seat of honour arc pedestal.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
Fig. 1 is the structural principle schematic diagram of control valve.Actuator adopts hydraulic driving (also can adopt electronic or pneumatic as required), the piston-rod lower end 9 of oil hydraulic cylinder 1 spins together with the head threads 18 flexibly connecting external member 5, valve rod 8 lower end of controlling mechanism is connected with the spool 7 of control valve, upper end is made I-shaped, is nested in and flexibly connects in the I-shaped groove 20 of external member 5.When the piston 3 of oil hydraulic cylinder 1 moves up and down, by by piston-rod lower end 9, flexibly connect external member 5 and the spool 7 of valve rod 8 with brake control valve moves up and down, the valve opening of adjusting control valve.
As shown in Figure 2, the external member that flexibly connects of the present invention comprises left earrings 12, bolt 13, auris dextra ring 19, great circle pin 14, roundlet pin 15, anti-skidding equal power spring 16, the seat of honour 17, head threads 18, seat of honour curved support frame 21, I-shaped groove 20.The lower end of valve rod 8 is connected with the spool 7 of control valve, and upper end is made I-shaped, is nested in the I-shaped groove 20 that left earrings 12 and auris dextra ring 19 formed.Left earrings 12 is gone here and there at the two ends of great circle pin 14 respectively with auris dextra ring 19.There is an aperture at the middle part of great circle pin 14, the through great circle pin 14 of this aperture, and the intersect vertical axis of aperture axis and great circle pin 14, as shown in Figure 3.By the aperture in the middle part of great circle pin 14, great circle pin 14 and seat of honour arc pedestal 21 couple together by roundlet pin 15.Anti-skidding equal power spring 16 is enclosed within seat of honour arc pedestal 21, great circle pin 14, roundlet pin 15 is surrounded.By great circle pin 14, roundlet pin 15 and seat of honour arc pedestal 21, after the seat of honour 17 and left earrings 12, auris dextra ring 19 are coupled together, recycle anti-skidding equal power spring 16 and carry out pretension, therefore, anti-skidding equal power spring 16 original state is compressive state, its upper end portion withstands on the seat of honour 17, and underpart withstands on left earrings 12 with on auris dextra ring 19.Length due to great circle pin 14, roundlet pin 15 is all slightly less than the internal diameter of anti-skidding equal power spring 16, therefore anti-skidding equal power spring 16 can prevent great circle pin 14, roundlet pin 15 skids off pin-and-hole.
After the masterpiece exported when oil hydraulic cylinder 1 is used in and flexibly connects external member 5, active force by the seat of honour 17, seat of honour curved support frame 21, roundlet pin 15, great circle pin 14, left earrings 12 and auris dextra ring 19, valve rod 8, will pass to spool 7, adjust the opening degree of control valve.
Due in the as installed process of control valve, be difficult to accomplish that piston 3 and valve rod 8 are completely coaxial completely, may unbalance loading be there is in the power therefore acted on valve rod 8, if adopt traditional being rigidly connected between piston-rod lower end 9 and valve rod 8, then easily cause the valve rod 8 of control valve to be bent, cause control valve generation jam phenomenon.Adopt of the present invention flexibly connect external member 5 after, when piston-rod lower end 9 and valve rod 8 disalignment, because roundlet pin 15 and great circle pin 14 can freely rotate, can rotate between the seat of honour 17 and left earrings 12, auris dextra ring 19, can the position difference that causes of automatic straightening piston-rod lower end 9 and valve rod 8 disalignment, thus the power exported by oil hydraulic cylinder 1 fast and effeciently passes to spool 7, avoid the control valve jam phenomenon that disalignment causes, extend the life-span of control valve, improve speed of response and the control accuracy of control valve.
Claims (2)
1. a control valve flexibly connects external member, it is characterized in that: comprise left earrings and auris dextra ring, the groove matched with the top of valve rod is formed in the middle of described left earrings and auris dextra ring, described left earrings and auris dextra ring are gone here and there at the two ends of great circle pin respectively, one is provided with its intersect vertical axis and the aperture of through great circle pin at the middle part of described great circle pin, connect the roundlet pin of great circle pin and seat of honour arc pedestal through one in described aperture, described seat of honour arc pedestal is set with one is implemented pretightening force anti-skidding equal power spring to it, described anti-skidding equal power spring is by great circle pin, roundlet pin is surrounded, described anti-skidding equal power spring upper end portion withstands on the seat of honour, and underpart withstands on left earrings and auris dextra ring, and the described seat of honour is provided with the head threads matched with piston rod,
Described left earrings and auris dextra ring are symmetrical arranged, and form I-shaped groove, and described I-shaped groove matches with valve rod upper end;
Described great circle pin, the length of roundlet pin are all less than the internal diameter of anti-skidding equal power spring.
2. control valve as claimed in claim 1 flexibly connects external member, it is characterized in that: described anti-skidding equal power spring original state is compressive state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415263.9A CN104197081B (en) | 2014-08-21 | 2014-08-21 | A kind of control valve flexibly connects external member |
| PCT/CN2015/086426 WO2016026391A1 (en) | 2014-08-21 | 2015-08-08 | Integrated electro-hydraulic driven regulating valve and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415263.9A CN104197081B (en) | 2014-08-21 | 2014-08-21 | A kind of control valve flexibly connects external member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104197081A CN104197081A (en) | 2014-12-10 |
| CN104197081B true CN104197081B (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410415263.9A Active CN104197081B (en) | 2014-08-21 | 2014-08-21 | A kind of control valve flexibly connects external member |
Country Status (1)
| Country | Link |
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| CN (1) | CN104197081B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838379B (en) * | 2015-12-07 | 2020-09-29 | 浙江三花制冷集团有限公司 | Electric switching valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1233611A (en) * | 1968-03-19 | 1971-05-26 | ||
| JPS5833952B2 (en) * | 1974-05-30 | 1983-07-23 | カ−ル ドウングス フエルヴアルツングス ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 2 Jiyuden Jiben |
| CN101598232B (en) * | 2009-07-20 | 2011-01-26 | 山东大学 | Electro-hydraulic driver of control valve |
| CN101852202B (en) * | 2010-06-07 | 2012-08-15 | 开维喜阀门集团有限公司 | Double-aperture adjustable slow-closure control valve for water pump |
| CN201810861U (en) * | 2010-10-19 | 2011-04-27 | 苏州德兰能源科技有限公司 | Connecting device for valve rod and pneumatic component |
| CN103899763B (en) * | 2014-03-12 | 2016-01-27 | 哈尔滨工程大学 | The large dark kingston valve of diving that a kind of valve opening force is little |
| CN204099699U (en) * | 2014-08-21 | 2015-01-14 | 山东大学 | A kind of control valve flexibly connects external member |
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2014
- 2014-08-21 CN CN201410415263.9A patent/CN104197081B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104197081A (en) | 2014-12-10 |
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