CN204942673U - Time delay direct-operated regulator - Google Patents
Time delay direct-operated regulator Download PDFInfo
- Publication number
- CN204942673U CN204942673U CN201520632629.8U CN201520632629U CN204942673U CN 204942673 U CN204942673 U CN 204942673U CN 201520632629 U CN201520632629 U CN 201520632629U CN 204942673 U CN204942673 U CN 204942673U
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- China
- Prior art keywords
- time delay
- valve
- pipeline
- piston
- operated regulator
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- Expired - Fee Related
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Abstract
Present patent application belongs to modulating valve technical field, time delay direct-operated regulator, be divided into feedback mechanism, actuator, valve body three part from top to bottom successively, described feedback mechanism comprises control pipeline and piston cavity, piston cavity is divided into upper chamber, lower chambers by piston, and control the lower end of pipeline and be communicated with the water-inlet cavity in valve body, its upper end is connected with upper chamber, piston base interference is fixed with link, and this link is fixedly connected with execution bar; Described control pipeline has some Latency Interface, and control pipeline and be equipped with pipeline valve between adjacent two Latency Interface, adjacent two Latency Interface can be fixedly connected with the two ends of time delay pipe.Compare original current and control pipeline according to straight-line pass, present current must flow through the route that time delay pipe forms bending, and the path of current is elongated, and the time of arriving at piston cavity is elongated, and the time that spool moves down is elongated.
Description
Technical field
The utility model belongs to modulating valve technical field.
Background technique
Self-operated valve relies on the pressure itself flowing through interior medium as driven by energy valve automatic operation, does not need ABAP Adapter and secondary meter.Direct-operated regulator all utilizes the feedback signal of valve output terminal (pressure, pressure reduction, temperature) to be delivered to actuator by signal tube and drives flap to change the aperture of valve, reach the object regulating pressure, flow, temperature.
Existing direct-operated regulator structure comprises valve body, spool, adjustable lever, actuator, feedback mechanism, control pipeline, wherein have valve road in valve body, spool is arranged in the valve port in valve road, make valve port open during the moving up and down of spool or close, the movement of spool is controlled by adjustable lever, adjustable lever is connected with actuator, control water-inlet cavity and the feedback mechanism in pipeline connecting valve road, the output terminal of feedback mechanism is connected with execution architecture, its principle is that the water entered in water-inlet cavity enters control valve line after throttling, when the hydraulic pressure of water-inlet cavity is larger, control hydraulic pressure in pipeline by signal feed back to feedback mechanism, the execution architecture be attached thereto is made to drive adjustable lever to move down, valve port turns down by spool, otherwise, when the hydraulic pressure of water-inlet cavity is less, valve port turns down by spool.Shell inner cavity is divided into upper chamber and lower chambers by the diaphragm that existing feedback mechanism comprises in shell, shell, bottom chamber is sliding combined with the shifting board be connected with execution architecture, return spring is provided with between diaphragm and shifting board, upper chamber communicates with control pipeline, the variation in water pressure of upper chamber makes diaphragm deformation, overcomes the elastic force of spring and promotes shifting board slip.
The shortcoming of such scheme is: existing modulating valve is after pressure reaches specified value, only needing 1 ~ 2S spool to move down makes valve port diminish, but in some cases, need the adjustment starting time extending direct-operated regulator, if modulating valve is after pressure reaches specified value, need the time spool of 30S just to start to move down, existing at present on the market or in document, also do not occur the scheme solving problems.
Model utility content
The utility model is intended to provide and can extends the time delay direct-operated regulator that spool starts the time moved down.
Time delay direct-operated regulator in this programme, be divided into feedback mechanism, actuator, valve body three part from top to bottom successively, the valve port of valve body is combined with spool, spool is driven by valve rod thus closure or openness valve port, and comprise some time delay pipes, described actuator comprises upper cover, lower cover, upper cover and lower cover are combined to form installation cavity, the execution bar having pressing plate in installation cavity and be connected with pressing plate, this execution bar is fixedly connected with by sleeve with valve rod, is furnished with return spring between pressing plate and lower cover; Described feedback mechanism comprises control pipeline and piston cavity, piston cavity is divided into upper chamber, lower chambers by piston, and control the lower end of pipeline and be communicated with the water-inlet cavity in valve body, its upper end is connected with upper chamber, piston base interference is fixed with link, and this link is fixedly connected with execution bar; Described control pipeline has some Latency Interface, and control pipeline and be equipped with pipeline valve between adjacent two Latency Interface, adjacent two Latency Interface are fixedly connected with the two ends of each time delay pipe.
Beneficial effect: controlling the Latency Interface access delay pipe of pipeline, flow path is made to flow through time delay pipe by closing pipeline valve, compare original current and control pipeline according to straight-line pass, present current must flow through the route that time delay pipe forms bending, the path of current is elongated, the time of arriving at piston cavity is elongated, and the time that spool moves down is elongated; In addition, adopt piston to substitute original diaphragm, pressure is passed to link, performs bar, valve rod by piston successively, thus the distance between spool and valve seat reduces, valve port flow diminishes, and compares the situation of traditional diaphragm cracky, and the utility model piston is more firm to be not easily destroyed.
Further, described time delay pipe is threaded pipe, and the two ends of threaded pipe are fixedly connected with by flange plate with Latency Interface, and threaded pipe shape makes time delay pipe its length increase, and further increases flow path.
Further, this sleeve described comprises screw thread inner chamber, performs bar lower end and from top to bottom to screw in screw thread inner chamber and to pass through nut check, valve rod upper end to screw in from the bottom to top in screw thread inner chamber and passes through nut check, connect more firm, and execution bar and valve rod not easily misplace, power transmission efficiency is higher.
Further, the number of described return spring is two groups, and symmetrical to perform line centered by bar, and restoring force is larger, and speed of replying is fast.
Further, the position of described valve rod and valve body contact is equipped with gland packing box, and prevent medium to be brought in valve body along with the movement of valve rod, sealing effect is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment time delay direct-operated regulator.
Embodiment
Below by embodiment, the utility model is described in further detail:
Reference character in Figure of description comprises: piston cavity 1, piston 2, link 3, control pipeline 4, threaded pipe 41, upper cover 5, lower cover 6, pressing plate 7, return spring 8, execution bar 9, sleeve 10, valve rod 11, gland packing box 12, valve body 13, spool 14, valve seat 15, water-inlet cavity 16, water chamber 17.
Embodiment's time delay direct-operated regulator is substantially as shown in Figure 1:
Time delay direct-operated regulator, is divided into feedback mechanism, actuator, valve body 13 three parts from top to bottom successively.
Have water-inlet cavity 16, water chamber 17 in valve body 13, water-inlet cavity 16 is communicated with by valve port with water chamber 17, and current flow to water chamber 17 from water-purifying cavity.Valve port place is equipped with valve seat 15, this valve seat 15 has the valve opening of taper.Valve rod 11 is vertically applied in valve body 13, and the lower end of valve rod 11 is the shape spool 14 of the taper of mating with valve opening, and with O-ring seals on spool 14 side face, the position that valve rod 11 contacts with valve body 13 is equipped with gland packing box 12.
Actuator comprises upper cover 5, lower cover 6, and upper cover 5 and lower cover 6 are bolted formation installation cavity, comprise pressing plate 7 in this installation cavity, and pressing plate 7 neutral position has been bolted to connection and has performed bar 9.Perform bar 9 to run through at the bottom of installation cavity chamber and be fixedly connected with by sleeve 10 with the upper end of valve rod 11, concrete Placement is: this sleeve 10 comprises screw thread inner chamber, perform bar 9 lower end from top to bottom to screw in screw thread inner chamber and by nut check, valve rod 11 upper end to screw in from the bottom to top in screw thread inner chamber and passes through nut check.Be furnished with the return spring 8 of two groups between pressing plate 7 and lower cover 6, these two groups of return springs 8 line centered by performing bar 9 is symmetrical.
Feedback mechanism comprises control pipeline 4 and piston cavity 1, be furnished with in piston cavity 1 and have piston 2, the side face of piston 2 is provided with O-ring seals, piston cavity 1 is divided into upper chamber, lower chambers by piston 2, the bottom interference fit of piston 2 has link 3, upper cover 5, the pressing plate 7 of actuator are run through in this link 3 lower end, and the tapped hole prefabricated with performing bar 9 upper end is connected.Control pipeline 4 lower end to be connected with water-inlet cavity 16, control pipeline 4 upper end to be communicated with upper chamber, tubulation line has 8 Latency Interface, two adjacent from top to bottom Latency Interface are one group of Latency Interface, be provided with pipeline valve between two Latency Interface often organized, two Latency Interface often organized are fixedly connected with by flange with the two ends of threaded pipe 8.
Above-described is only embodiment of the present utility model, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from the utility model structure, some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in specification etc. record the content that may be used for explaining claim.
Claims (5)
1. time delay direct-operated regulator, be divided into feedback mechanism, actuator, valve body three part from top to bottom successively, the valve port of valve body is combined with spool, and spool is driven by valve rod thus closure or openness valve port, it is characterized in that, comprise some time delay pipes, described actuator comprises upper cover, lower cover, and upper cover and lower cover are combined to form installation cavity, the execution bar having pressing plate in installation cavity and be connected with pressing plate, this execution bar is fixedly connected with by sleeve with valve rod, is furnished with return spring between pressing plate and lower cover; Described feedback mechanism comprises control pipeline and piston cavity, piston cavity is divided into upper chamber, lower chambers by piston, and control the lower end of pipeline and be communicated with the water-inlet cavity in valve body, its upper end is connected with upper chamber, piston base interference is fixed with link, and this link is fixedly connected with execution bar; Described control pipeline has some Latency Interface, and control pipeline and be equipped with pipeline valve between adjacent two Latency Interface, adjacent two Latency Interface are fixedly connected with the two ends of each time delay pipe.
2. time delay direct-operated regulator according to claim 1, is characterized in that: described time delay pipe is threaded pipe, and the two ends of threaded pipe are fixedly connected with by flange plate with Latency Interface.
3. time delay direct-operated regulator according to claim 1, it is characterized in that: described sleeve comprises screw thread inner chamber, perform bar lower end from top to bottom to screw in screw thread inner chamber and by nut check, valve rod upper end to screw in from the bottom to top in screw thread inner chamber and passes through nut check.
4. time delay direct-operated regulator according to claim 2, is characterized in that: the number of described return spring is two groups, and line is symmetrical centered by performing bar.
5. time delay direct-operated regulator according to claim 4, is characterized in that: the position of described valve rod and valve body contact is equipped with gland packing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632629.8U CN204942673U (en) | 2015-08-21 | 2015-08-21 | Time delay direct-operated regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632629.8U CN204942673U (en) | 2015-08-21 | 2015-08-21 | Time delay direct-operated regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204942673U true CN204942673U (en) | 2016-01-06 |
Family
ID=55010103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520632629.8U Expired - Fee Related CN204942673U (en) | 2015-08-21 | 2015-08-21 | Time delay direct-operated regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204942673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439141A (en) * | 2016-12-07 | 2017-02-22 | 无锡优耐特净化装备有限公司 | Self-standing pressure adjusting valve |
-
2015
- 2015-08-21 CN CN201520632629.8U patent/CN204942673U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439141A (en) * | 2016-12-07 | 2017-02-22 | 无锡优耐特净化装备有限公司 | Self-standing pressure adjusting valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160821 |