CN2842122Y - Connecting piece for straight travel regulating valve - Google Patents
Connecting piece for straight travel regulating valve Download PDFInfo
- Publication number
- CN2842122Y CN2842122Y CN 200520045407 CN200520045407U CN2842122Y CN 2842122 Y CN2842122 Y CN 2842122Y CN 200520045407 CN200520045407 CN 200520045407 CN 200520045407 U CN200520045407 U CN 200520045407U CN 2842122 Y CN2842122 Y CN 2842122Y
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- CN
- China
- Prior art keywords
- nut
- link
- valve
- connecting rod
- rod
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- 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 - Fee Related
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Abstract
The utility model relates to a connecting piece for a straight travel regulating valve, which is arranged in an execution mechanism of the straight travel regulating valve and is respectively connected with a distance rod, a connecting rod of a valve body and a feedback rod which is connected with a positioning device. The connecting piece comprises two valving bodies, a first nut and a second nut, wherein the upper end and the lower end of the inner wall of each of two valving bodies are respectively provided with a groove corresponding to the first nut and the second nut, the first nut and the second nut are arranged in the groove of each of two valving bodies, and the grooves are merged to form a containing space. The inner wall between the grooves of two valving bodies is provided with a plurality of through holes inserted by the feedback rod. The first nut is connected with the distance rod in the execution mechanism, and the second nut is connected with the connecting rod of the valve body. The first nut and the second nut are longitudinally provided with an opening. The utility model has the advantages of strong versatility, high speed and high efficiency, only the nuts which are matched with the connecting rod and the distance rod need to be used so that the straight travel regulating valve is installed and used in view of various valves because the valving bodies are versatile when the connecting piece of a faulty valve is replaced. The position of the connecting piece is conveniently regulated.
Description
Technical field
The utility model relates to the straight journey modulating valve, particularly the link of straight journey modulating valve.
Background technique
Modulating valve is an important regulating equipment of realizing the control purpose in the production process, and the control of all production processes all need rely on modulating valve to realize in the industrial production, and wherein the straight journey modulating valve is used very extensive.The straight journey modulating valve is made up of actuator, valve body, positioning work piece and link, and wherein link is to be connected between the connecting rod of the track bar of actuator and valve body and to transmit the critical component of the active force of actuator's output to valve body.
Referring to Fig. 1, actuator 10 comprises executive module membrane cover 101, fixed frame 102, track bar 103 and spring 104; Track bar 103 is inserted in the fixed frame 102, and spring 104 is sheathed on track bar 103, and the one end is resisted against fixed frame 102 inwalls, and an other end is resisted against the dividing plate 105 in the fixed frame 102; Link 20 is made up of two female identical planks in two, the outside thread of the connecting rod 30 that the internal thread at its two links with the track bar 103 of actuator 10 with valve body respectively is identical, the internal thread of two planks is meshed with the outside thread of track bar 103 and connecting rod 30 respectively during use, with 202 two planks is anchored on track bar 103 and the connecting rod 30 again.
Control signal is converted into the active force of track bar 103 in the actuator 10 after link 20 passes to the connecting rod 30 that links with valve body changing valve opening through positioning work piece, thereby changes the amount of process parameter and reach the purpose that control is produced.
The feedback rod that is fixed on the link 20 feeds back to positioning work piece to valve opening, relies on positioning work piece to make modulating valve accurately be positioned at the control signal desired position.Control signal can't be delivered to connecting rod 30 and valve body after being converted into the active force of track bar 103 in the actuator 10 if link 20 damages, and also just can't regulate process parameter; Simultaneously, can't reach and control the production purpose because positioning work piece can't be obtained feedback signal and make modulating valve can't locate and lose regulatory function.
Through the trouble analysis of Field adjustment valve is found that original link has distinct disadvantage:
1. the link 20 of existing straight journey modulating valve is made with ferrous material mostly, be easy to corrosion, damage because of exposing to the sun and rain, thereby make the active force of actuator's 10 outputs be delivered to connecting rod 30 and valve body through track bar 103, and modulating valve can't be located and out of hand, have a strong impact on industrial production.
2. connecting rod 30 sizes of the track bar 103 of different modulating valve actuators 10 and valve body, screw thread have nothing in common with each other, so the link 20 of different valves has nothing in common with each other.Different valves needs the different link of processing and fabricating after link 20 damages, not only do not have versatility and also the workload that wastes time and energy very big, cause hidden trouble of equipment, fault in time to be handled.
3. the internal thread at original link 20 two and the outside thread of track bar 103 and connecting rod 30 need be connected with a joggle, the position has deviation will cause the internal thread of link 20 relative with the outside thread tooth top of track bar 103 and connecting rod 30 slightly, also can damage the outside thread of track bar 103 and connecting rod 30 with the internal thread that not only can damage link 20 behind two planks of bolton again, and valve body can not reliably be ended.
Summary of the invention
For having overcome the defective of original link, the purpose of this utility model is to design a kind of link of straight journey modulating valve, only need change two little nuts during use just applicable to various straight journey modulating valve.
For achieving the above object, the technical solution of the utility model is, a kind of link of straight journey modulating valve, it is installed in the actuator of straight journey modulating valve, connects track bar and the connecting rod of valve body and the feedback rod that is connected with positioning work piece in the actuator respectively; This link comprises two split bodies, first and second nut; Described two split body inwalls corresponding respectively first and second nut in two ends are up and down offered groove, and first and second nut is arranged at two split body grooves and merges the containing space that forms; Inwall has several through holes that plugs for feedback rod between described two split body grooves; First nut is connected with track bar in the actuator; Second nut is connected with the connecting rod of valve body.
Vertically have opening on described first and second nut;
Described link adopts copper material to form.
Advantage of the present utility model is,
Highly versatile, after the valve that original link is damaged is changed, recovered the control function of valve, use so far not only that the modulating valve fault-free takes place, and when changing the link of fault valve because split body is general, only need use can install and use at various valve with the nut that track bar and connecting rod mate, speed is fast, efficient is high, more do not worry the damage of screw thread, and the adjustment of the position of link is very convenient, and great promotional value is arranged in every profession and trade.
Description of drawings
Fig. 1 is the structural representation of the link of existing straight journey modulating valve;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 a, Fig. 3 b are the structural representation of link of the present utility model;
Fig. 4 a, Fig. 4 b are the structural representation of the utility model nut.
Embodiment
Referring to Fig. 2, Fig. 3 a, Fig. 3 b, the link 1 of straight journey modulating valve of the present utility model, the employing copper material is formed, be installed in the actuator 10 of straight journey modulating valve, connect track bar 103 in the actuator respectively and connecting rod 6 that links with valve body and the feedback rod (figure does not show) that links with positioning work piece; This link 1 comprises two split bodies 2,3, first and second nut 4,5; Described two split bodies, 2,3 inwalls corresponding respectively first and second nut 4,5 in two ends are up and down offered groove 21,31, first and second nut 4,5 is arranged at two split body grooves 21,31 and merges the containing space that forms, and 4,5 vertically have opening 41,51 on described first and second nut; Inwall has several through holes 22,32 that plugs for feedback rod between described two split body grooves 21,31; First nut 4 is connected with track bar 103 in the actuator; Second nut 5 links with the connecting rod 6 of valve body.
Referring to Fig. 4 a, Fig. 4 b, first nut 4 is cylindrical, and the one end has an outstanding step cutting pattern, plays the role of positioning enter the groove 21,31 of split body 2,3 at nut 4,5 after, two planes 42 have been cut on the step cutting pattern both sides, can utilize the wrench rotating nut easily; Nut 4,5 vertically have one to be the opening 41 of 2～3mm to the gap of endoporus by periphery; The diameter of bore of two nuts 4,5 and screw thread are consistent with the external diameter and the screw thread of track bar 103 and connecting rod 6 respectively, i.e. different and different according to the track bar 103 of various modulating valve and connecting rod 6.
This link 1 is made up of identical split body 2,3, makes of copper material, and the straight journey modulating valve at various different size track bars and connecting rod makes split body 2,3 have versatility simultaneously.Regulate two positions of nut 4,5 on track bar 103 and connecting rod 6 and can adjust the position of link 3 on 2 on track bar 103 and connecting rod.Simultaneously, 23,33 two split bodies 2,3 of bolt hole that also have three 22,32 and four of through holes that are used to install feedback rod to be used to install clamping bolt on the split body 2,3 are clamped nut 4,5 altogether.
During use, two nuts 4,5 are screwed into respectively on track bar 103 and the connecting rod 6, and with two split bodies 2,3 they are compressed, make two nuts 4,5 by split body 2,3 tightly be pushed down and can arbitrarily not rotate or move with two split bodies of bolton 2,3 this moment; The opened gap that 2～3mm is vertically arranged because of nut 4,5 simultaneously, at split body 2,3 by bolton and gland nut 4,5 o'clock, nut 4,5 endoporus diminish and tightly embrace track bar 103 and connecting rod 6, make track bar 103 closely be connected and can not become flexible with connecting rod 6,2,3, two nut 4,5 threes of split body.
The active force that facts have proved actuator's output in the adjustment process of valve can reliable delivery be given valve rod and be changed valve opening behind link of the present utility model, and be fixed in the accurate location that the feedback rod in the through hole 22,32 of split body 2,3 feeds back to the physical location of valve positioning work piece and realizes valve, valve is effectively controlled, thereby controls normally carrying out of production process.
The utility model highly versatile, after the valve that original link is damaged is changed, recovered the control function of valve, use not only modulating valve fault-free generation so far, and when changing the link of fault valve because split body the 2, the 3rd is general, only need use can install and use at various valve with the nut that track bar and connecting rod mate, speed is fast, efficient is high, more do not worry the damage of screw thread, and the adjustment of the position of link is very convenient, and great promotional value is arranged in every profession and trade.
Claims (4)
1. the link of a straight journey modulating valve, it is installed in the actuator of straight journey modulating valve, connects track bar and the connecting rod of valve body and the feedback rod that is connected with positioning work piece in the actuator respectively; It is characterized in that this link comprises two split bodies, first and second nut; Described two split body inwalls corresponding respectively first and second nut in two ends are up and down offered groove, and first and second nut is arranged at two split body grooves and merges the containing space that forms; Inwall has several through holes that plugs for feedback rod between described two split body grooves; First nut is connected with track bar in the actuator; Second nut is connected with the connecting rod of valve body.
2. the link of straight journey modulating valve as claimed in claim 1 is characterized in that, vertically has opening on described first and second nut.
3. the link of straight journey modulating valve as claimed in claim 1 or 2 is characterized in that, the bi-side of described first and second nut are the plane.
4. the link of straight journey modulating valve as claimed in claim 1 is characterized in that, described link adopts copper material to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520045407 CN2842122Y (en) | 2005-09-29 | 2005-09-29 | Connecting piece for straight travel regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520045407 CN2842122Y (en) | 2005-09-29 | 2005-09-29 | Connecting piece for straight travel regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2842122Y true CN2842122Y (en) | 2006-11-29 |
Family
ID=37446004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520045407 Expired - Fee Related CN2842122Y (en) | 2005-09-29 | 2005-09-29 | Connecting piece for straight travel regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2842122Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214400A (en) * | 2014-08-28 | 2014-12-17 | 福建中锦新材料有限公司 | Linear motion regulation valve and regulation method thereof |
| CN113669497A (en) * | 2021-07-16 | 2021-11-19 | 江苏海博流体控制有限公司 | Straight stroke transmission device for valve actuator |
-
2005
- 2005-09-29 CN CN 200520045407 patent/CN2842122Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214400A (en) * | 2014-08-28 | 2014-12-17 | 福建中锦新材料有限公司 | Linear motion regulation valve and regulation method thereof |
| CN104214400B (en) * | 2014-08-28 | 2017-03-01 | 福建中锦新材料有限公司 | Straight travel regulating valve and its control method |
| CN113669497A (en) * | 2021-07-16 | 2021-11-19 | 江苏海博流体控制有限公司 | Straight stroke transmission device for valve actuator |
| CN113669497B (en) * | 2021-07-16 | 2023-05-26 | 江苏海博流体控制有限公司 | Straight travel transmission device for valve actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061129 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |