CN210637559U - Balanced valve core voltage stabilizer - Google Patents
Balanced valve core voltage stabilizer Download PDFInfo
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- CN210637559U CN210637559U CN201921160993.3U CN201921160993U CN210637559U CN 210637559 U CN210637559 U CN 210637559U CN 201921160993 U CN201921160993 U CN 201921160993U CN 210637559 U CN210637559 U CN 210637559U
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Abstract
The utility model provides a balanced case stabiliser which characterized in that: the method comprises the following steps: the filter comprises a valve body, a filter cover, a filter element, a replaceable throttling element, a valve core sealing ring, a closing spring, a balance valve core, a valve seat, a top column, a diaphragm, an adjusting spring and a valve cover; the side opening of the outer cavity of the filter element is communicated with the inlet of the main valve of the pressure regulator; the valve core sealing ring, the closing spring, the balance valve core and the valve seat are arranged in the valve body, and a lateral opening between the valve core sealing ring and the valve seat leads to the inlet filter; the valve cover is connected with the valve body through screws, and the diaphragm is installed between the adjusting springs. The valve cover is internally provided with a channel which is communicated with the control pressure cavity and the pressure regulating driving cavity. The pressure stabilizer with the balance valve core has the characteristics of high pressure stabilization precision and compact structure, can provide stable air supply pressure for the commander, reduces the discreteness of a static characteristic curve of the gas pressure regulator, improves the pressure stabilization precision of the gas pressure regulator, and also reduces the manufacturing cost.
Description
Technical Field
The utility model relates to a balanced valve field especially relates to a balanced case stabiliser.
Background
The indirect gas pressure regulator has the advantages of high pressure stabilizing precision and large flow, and is widely applied to gas transmission and distribution. The indirect gas pressure regulator takes inlet pressure from a director to drive a main valve to work in the operation process, and stably supplies gas to a downstream pipeline. In the application of the existing indirect gas pressure regulator, unbalanced force exists in the main body of the pressure regulator due to fluctuation of inlet pressure, the pressure regulating performance of the pressure regulator is unstable, and the pressure stabilizing precision is low. In order to solve the technical problem, the present invention provides a balanced valve core voltage stabilizer of a director for a gas pressure regulator, so as to reduce the influence of inlet pressure fluctuation on the outlet pressure of the voltage stabilizer. Thereby improving the pressure stabilizing precision of the pressure regulator and ensuring the stable outlet pressure.
SUMMERY OF THE UTILITY MODEL
To solve the above problems, an object of the present invention is to provide a balanced valve core voltage stabilizer.
The utility model provides a technical scheme that relevant technical problem adopted is: the utility model provides a balanced case stabiliser which characterized in that: the method comprises the following steps: the filter comprises a valve body, a filter cover, a filter element, a replaceable throttling element, a valve core sealing ring, a closing spring, a balance valve core, a valve seat, a top column, a diaphragm, an adjusting spring and a valve cover; the filter cover, the filter core and the replaceable throttling core are arranged in the valve body, and a side opening of an outer cavity of the filter core leads to an inlet of a main valve of the pressure regulator; the valve core sealing ring, the closing spring, the balance valve core and the valve seat are arranged in the valve body, and a lateral opening between the valve core sealing ring and the valve seat leads to the inlet filter; the valve cover is connected with the valve body through screws, and the diaphragm is installed between the adjusting springs. The valve cover is internally provided with a channel which is communicated with the control pressure cavity and the pressure regulating driving cavity.
Further, the balanced valve core is arranged in the valve seat, and a gap is formed between the valve core sealing gasket and the valve seat.
Further, the inlet of the balance valve core voltage stabilizer for the gas pressure regulator is connected with the replaceable throttling core flow passage, and the outlet of the voltage stabilizer for the gas pressure regulator is communicated with the director.
Further, one side of the diaphragm facing the valve cover is provided with a diaphragm disc, and a pressure regulating spring is installed between the diaphragm and the valve cover.
Further, the pressure regulating spring is installed between the membrane disc and the valve cover.
Further, the closing spring is arranged between the balance valve core and the valve core sealing ring.
Furthermore, a communication channel is arranged between the balance valve core and the pressure cavity at the outlet of the pressure stabilizer, and the connecting channel is arranged at the tail end of the balance valve core.
Further, the balance valve core and the valve core sealing ring are in dynamic sealing.
Further, the balance valve voltage stabilizer is suitable for an unloading type indirect action type voltage regulator.
The utility model has the advantages that:
the utility model discloses in the utility model discloses a balanced case stabiliser is connected with the commander. And a high-precision air source which meets the pressure requirement is provided for the commander. The pressure stabilizer with the balance valve core has the characteristics of high pressure stabilization precision and compact structure, can provide stable air supply pressure for the commander, reduces the discreteness of a static characteristic curve of the gas pressure regulator, improves the pressure stabilization precision of the gas pressure regulator, and also reduces the manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a left side sectional view of the utility model relates to a balanced case stabiliser.
Fig. 2 is a front sectional view of the balance valve core voltage stabilizer of the present invention.
Wherein:
1. a regulator body; 2. a filter element; 3. a throttle core; 4. a filter cover;
5. a balanced valve core; 6. a valve core sealing ring; 7. a closing spring; 8. a valve seat;
9. a top pillar; 10. a membrane; 11. a constant pressure spring; 12. a valve cover;
13. an inlet pressure chamber; 14. a control pressure chamber; 15. an outlet pressure chamber;
16. a regulator outlet pressure chamber; 17. an outlet pressure; 18. a director inlet;
19. a voltage regulator drive cavity;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-2, a balanced spool 5 regulator is characterized in that: the method comprises the following steps: the filter comprises a valve body, a filter cover 4, a filter element 2, a replaceable throttling element 3, a valve core sealing ring 6, a closing spring 7, a balance valve core 5, a valve seat 8, a top column 9, a diaphragm 10, an adjusting spring and a valve cover 12; the filter cover 4, the filter element 2 and the replaceable throttling element 3 are arranged in the valve body, and a cavity side opening of the filter element 2 is communicated with an inlet of a main valve of the pressure regulator; the valve core sealing ring 6, the closing spring 7, the balance valve core 5 and the valve seat 8 are arranged in the valve body, and a lateral opening between the valve core sealing ring 6 and the valve seat 8 leads to the inlet filter; the valve cover 12 is connected with the valve body through screws, and the diaphragm 10 is installed between the adjusting springs. The valve cover 12 has a passage therein, which communicates the control pressure chamber 14 and the pressure-regulating driving chamber.
As shown in fig. 2, the top pillar 9, the diaphragm 10 and the diaphragm disk form a set of diaphragm 10 assembly, the diaphragm 10 assembly is installed in the valve cover 12, and a pressure regulating spring is installed between the diaphragm disk of the diaphragm 10 assembly and the valve cover 12. The valve cover 12 is connected with the valve body through a screw; the valve cover 12 is provided with a channel therein, and the channel is communicated with the outlet pressure 17 cavity 15 chamber, so that the voltage stabilizer can output the outlet pressure 17 plus the pressure of the pressure regulating spring. The air supply pressure of the pressure stabilizer can be adjusted by replacing the pressure regulating spring.
As shown in fig. 1-2, the balanced poppet 5 is disposed in the valve seat 8 with a gap between the poppet seal and the valve seat 8. The inlet of the balance valve core 5 pressure stabilizer for the gas pressure regulator is connected with the flow channel of the replaceable throttling core 3, and the outlet of the pressure stabilizer for the gas pressure regulator is communicated with the director. One side of diaphragm 10 towards valve gap 12 sets up the membrane dish, the diaphragm 10 with install the pressure regulating spring between the valve gap 12. The spring is installed between the lower tray and the valve cover 12. The closing spring 7 is arranged between the balance valve core 5 and the valve core sealing ring 6.
And a communication channel is arranged between the balance valve core 5 and the pressure stabilizer outlet pressure 17 cavity 1615, and the connecting channel is arranged at the tail end of the balance valve core 5. The balance valve core 5 and the valve core sealing ring 6 are in dynamic sealing. The balance valve voltage stabilizer is suitable for a load-unloading indirect-acting type voltage regulator.
Will the utility model discloses a gas pressure regulator accomplishes the equipment with 5 stabiliser of balanced case after, need measure stabiliser exit pressure 17 and can take off plug installation manometer and observe.
The working mode is as follows:
the utility model discloses a theory of operation is: the front pressure gas source enters the filter cavity through the pressure taking hole on the main valve body, and the gas is clean gas after passing through the filter element. Then the dynamic pressure of the gas is reduced by a throttling core (special for a unloading type pressure regulator). The gas enters the valve core cavity, the gap between the valve core and the valve seat is opened, the gas flow enters the cavity between the valve seat and the diaphragm assembly through the gap between the valve core and the inner hole of the valve seat, and a stable gas source is provided for the commander through the connecting pipe. The output pressure is controlled by the force of the pressure regulating spring and the opening between the valve core and the valve seat by the pressure at the outlet of the pressure regulator. The spool has a spool tip pressure area equal to the valve seat pressure area and pressures nearly equal, so-called balanced spool. When the director supplied by the voltage stabilizer is turned on, the voltage stabilizer is also turned on, and vice versa.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a balanced case stabiliser which characterized in that: the method comprises the following steps: the filter comprises a valve body, a filter cover, a filter element, a replaceable throttling element, a valve core sealing ring, a closing spring, a balance valve core, a valve seat, a top column, a diaphragm, an adjusting spring and a valve cover; the filter cover, the filter core and the replaceable throttling core are arranged in the valve body, and a side opening of an outer cavity of the filter core leads to an inlet of a main valve of the pressure regulator; the valve core sealing ring, the closing spring, the balance valve core and the valve seat are arranged in the valve body, and a lateral opening between the valve core sealing ring and the valve seat leads to the inlet filter; the valve cover is connected with the valve body through a screw, and the diaphragm is arranged between the adjusting springs; the valve cover is internally provided with a channel which is communicated with the control pressure cavity and the pressure regulating driving cavity.
2. The balanced spool regulator of claim 1, wherein: the balance valve core is arranged in the valve seat, and a gap is formed between the valve core sealing ring and the valve seat.
3. The balanced spool regulator of claim 1, wherein: the inlet of the balance valve core voltage stabilizer is connected with the replaceable throttling core flow passage, and the outlet of the voltage stabilizer is communicated with the director.
4. The balanced spool regulator of claim 1, wherein: one side of the diaphragm facing the valve cover is provided with a diaphragm disc, and a pressure regulating spring is installed between the diaphragm and the valve cover.
5. The balanced spool regulator of claim 1, wherein: the pressure regulating spring is arranged between the membrane disc and the valve cover.
6. The balanced spool regulator of claim 1, wherein: the closing spring is arranged between the balance valve core and the valve core sealing ring.
7. The balanced spool regulator of claim 1, wherein: and a communication channel is arranged between the balance valve core and the pressure cavity at the outlet of the pressure stabilizer, and the communication channel is arranged at the tail end of the balance valve core.
8. The balanced spool regulator of claim 1, wherein: and the balance valve core is in dynamic seal with the valve core sealing ring.
9. The balanced spool regulator according to any one of claims 1 to 8, wherein: the balance valve voltage stabilizer is suitable for an unloading type indirect action type voltage regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921160993.3U CN210637559U (en) | 2019-07-23 | 2019-07-23 | Balanced valve core voltage stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921160993.3U CN210637559U (en) | 2019-07-23 | 2019-07-23 | Balanced valve core voltage stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210637559U true CN210637559U (en) | 2020-05-29 |
Family
ID=70796384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921160993.3U Active CN210637559U (en) | 2019-07-23 | 2019-07-23 | Balanced valve core voltage stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210637559U (en) |
-
2019
- 2019-07-23 CN CN201921160993.3U patent/CN210637559U/en active Active
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