CN203963058U - A kind of large flux control valve - Google Patents
A kind of large flux control valve Download PDFInfo
- Publication number
- CN203963058U CN203963058U CN201420412795.2U CN201420412795U CN203963058U CN 203963058 U CN203963058 U CN 203963058U CN 201420412795 U CN201420412795 U CN 201420412795U CN 203963058 U CN203963058 U CN 203963058U
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- Prior art keywords
- valve
- housing
- spring
- air outlet
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- 230000004907 flux Effects 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 210000004907 gland Anatomy 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of large flux control valve, comprise the housing that is provided with suction port and air outlet, in housing, between suction port and air outlet, be provided with valve port, in housing, be also equiped with valve rod, valve rod lower end is fixedly connected with valve port and opens and closes the piston coordinating, housing lower end is connected with spring seat, in spring seat, be equiped with the first spring, housing upper end is provided with upper cover, between upper cover and housing, be formed with film chamber, in film chamber, be equiped with the sealing gasket that film chamber is separated into upper chamber and lower chambers, the lower chambers in film chamber and air outlet conducting, the lower end of sealing gasket and valve handle activity butt, the upper end of upper cover is connected with the pressure regulator valve that is provided with inlet hole and air outlet hole, the inlet hole of pressure regulator valve is communicated with the suction port of housing, the air outlet hole of pressure regulator valve is communicated with the upper chamber in film chamber.The utility model just can be realized the flow control of gas from suction port to air outlet by the pressure that regulates pressure regulator valve to export Mo Qiang upper chamber to, has advantages of that adjusting is accurate, laborsaving, volume is little.
Description
Technical field
The utility model relates to pressure regulator valve technical field, especially relates to a kind of large flux control valve.
Background technique
Modulating valve is control valve, in industrial automation process control field, by accepting the control signal of regulation unit output, removes to change the control unit of the process parameters such as rate-of flow, pressure, temperature, liquid level by power operation.Generally by actuator and valve, formed.If press stroke feature, modulating valve can be divided into straight journey and angle stroke; The power that An Qisuopei actuator is used, is divided into linear performance by its function and characteristic, three kinds of equal percentage characteristics and parabolic characteristics.Regulator apply valve is in media such as air, water, steam, various Korrosionsmedium, mud, oil products.Modulating valve common classification: pneumatic control valve, electric control valve, hydraulic adjusting valve, direct-operated regulator.
Existing large flux control valve, for example, for the modulating valve of boats and ships fuel gas supply, conventionally adopt the mode of manual tune to regulate, because the gas flow of valve body is larger, thereby when regulating, the suffered resistance of actuator is also larger, regulates very effort, and controlling mechanism will do more to increase Torque-adjusting, cause so again the whole valve volume of modulating valve larger.
Summary of the invention
The deficiency existing for above-mentioned prior art, the purpose of this utility model is to provide a kind of large flux control valve, sets up pressure regulator valve control actuator and realizes Flow-rate adjustment, and its adjusting is accurate, laborsaving, and volume is little.
To achieve these goals, the technological scheme that the utility model adopts is:
A kind of large flux control valve, comprise the housing that is provided with suction port and air outlet, in housing, between suction port and air outlet, be provided with valve port, in housing, be also equiped with valve rod, valve rod upper end is stretched at outside, valve rod lower end is fixedly connected with described valve port and opens and closes the piston coordinating, housing lower end is connected with spring seat, in spring seat, be equiped with the first spring, the two ends of the first spring offset with piston and spring seat respectively, housing upper end is provided with upper cover, between upper cover and housing, be formed with film chamber, in film chamber, be equiped with the sealing gasket that film chamber is separated into upper chamber and lower chambers, the lower chambers in film chamber and air outlet conducting, insert in the guiding groove of upper cover the upper end of sealing gasket, the lower end of sealing gasket and valve handle activity butt, the upper end of upper cover is connected with the pressure regulator valve that is provided with inlet hole and air outlet hole, the inlet hole of pressure regulator valve is communicated with the suction port of housing, the air outlet hole of pressure regulator valve is communicated with the upper chamber in film chamber.
Wherein, described pressure regulator valve comprises valve body, the second spring, spool, valve seat, gas outlet valve, guidance set, the 3rd spring, needle, diaphragm unit, gland, the 4th spring, spring housing, adjustable lever, adjustable cap and adjustment cap, the second spring, spool, valve seat, gas outlet valve and guidance set are sequentially gone here and there and are located in valve body from left to right, needle is from right to left sequentially through guidance set, after gas outlet valve and valve seat, offset with spool, the movable butt of the right-hand member of needle and diaphragm unit, the 3rd spring housing is located on needle, and the two ends of the 3rd spring offset with guidance set and diaphragm unit respectively, gland is folded in the right side of diaphragm unit, adjustable cap is fixedly connected with valve body and gland is clamped, adjustable lever is partly inserted in adjustable cap, adjustment cap is fixedly connected with the outer end of adjustable lever, spring housing is threaded with the inner end of adjustable lever, and spring housing is along adjustable cap lateral displacement, the two ends of the 4th spring offset with gland and spring housing respectively, described inlet hole and described air outlet hole are arranged on valve body, and inlet hole is communicated with the cavity that valve inner is positioned at valve seat left side, and the cavity that air outlet hole valve inner is positioned at valve seat right side is communicated with.
Further, on described, be covered with the outlet passageway that described air outlet hole is communicated with the upper chamber in described film chamber.Described housing is provided with the inclined hole being communicated with described suction port, is covered with the gas-entered passageway that described inclined hole is communicated with described inlet hole on described.Described gas-entered passageway is provided with the air pipe through described sealing gasket.
Wherein, described pressure regulator valve is fixedly connected with by pin with described upper cover.
Adopt after technique scheme, the advantage that compared to the prior art the utility model had is:
Large flux control valve described in the utility model, the gas small flow of suction port branches to the inlet hole of pressure regulator valve, after the gas pressure of inlet hole being regulated through pressure regulator valve, from air outlet hole, discharge, and enter into the upper chamber in the film chamber between housing and upper cover, when the pressure of the upper chamber in film chamber increases, impel and there is flexible sealing gasket to bottom offset, and then with the piston on ovable valve stem and valve rod to bottom offset, piston makes valve port in opening state to bottom offset, amount of piston displacement reflects the valve port opening between suction port and air outlet, known by above-mentioned principle, only need to just can realize the flow control of gas from suction port to air outlet by the pressure that regulates pressure regulator valve to export Mo Qiang upper chamber to, because adopting pressure regulator valve, the utility model realizes Flow-rate adjustment, it has adjusting accurately, labour-saving advantage, and volume is less.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is perspective view of the present utility model.
In figure, 1: suction port; 2: air outlet; 3: housing; 4: valve port; 5: valve rod; 6: piston; 7: spring seat; 8: the first springs; 9: upper cover; 10: film chamber; 11: sealing gasket; 12: inlet hole; 13: air outlet hole; 14: pressure regulator valve; 15: valve body; 16: the second springs; 17: spool; 18: valve seat; 19: gas outlet valve; 20: guidance set; 21: the three springs; 22: needle; 23: diaphragm unit; 24: gland; 25: the four springs; 26: spring housing; 27: adjustable lever; 28: adjustable cap; 29: adjustment cap; 30: inclined hole; 31: gas-entered passageway; 32: air pipe; 33: pin.
Embodiment
The following stated is only preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.
Embodiment, is shown in shown in Fig. 1 and Fig. 2:
A large flux control valve, comprises the housing 3 that is provided with suction port 1 and air outlet 2, and housing 3 upper ends are provided with upper cover 9, and the upper end of upper cover 9 is connected with the pressure regulator valve 14 that is provided with inlet hole 12 and air outlet hole 13, and pressure regulator valve 14 is fixedly connected with by pin 33 with upper cover 9.
In housing 3, between suction port 1 and air outlet 2, be provided with valve port 4, in housing 3, be also equiped with valve rod 5, valve rod 5 upper ends are stretched at housing 3 outsides, valve rod 5 lower ends are fixedly connected with valve port 4 and open and close the piston 6 coordinating, piston 6 is fixedly connected with valve rod 5 with back-up ring with hole by jump ring, and housing 3 lower ends are connected with spring seat 7, is equiped with the first spring 8 in spring seat 7, the two ends of the first spring 8 offset with piston 6 and spring seat 7 respectively, and piston 6 can be in the interior upper and lower displacement of spring seat 7.
Between upper cover 9 and housing 3, be formed with film chamber 10, in film chamber 10, be equiped with the sealing gasket 11 that film chamber 10 is separated into upper chamber and lower chambers, sealing gasket 11 is the elastic sealing gasket 11 with upper and lower projection, and sealing gasket 11 is fixed and is folded between upper cover 9 and housing 3, the lower chambers in film chamber 10 and air outlet 2 conductings, the upper projection of sealing gasket 11 upper ends inserts in the guiding groove of upper cover 9, and the lower projection of sealing gasket 11 lower ends inserts in valve rod 5, makes sealing gasket 11 and the movable butt of valve rod 5.
The first spring 8 is by piston 6 and valve rod 5 jack-up upwards, and piston 6 is blocked valve port 4, makes valve port 4 in closed condition, and valve rod 5, by sealing gasket 11 jack-up upwards, makes to have upwards depression of flexible sealing gasket 11 simultaneously.
The inlet hole 12 of pressure regulator valve 14 is communicated with the suction port 1 of housing 3, particularly, housing 3 is provided with the inclined hole 30 being communicated with suction port 1, and upper cover 9 is provided with the gas-entered passageway 31 that inclined hole 30 is communicated with inlet hole 12, and gas-entered passageway 31 is provided with the air pipe 32 through sealing gasket 11.The air outlet hole 13 of pressure regulator valve 14 is communicated with the upper chamber in film chamber 10, and particularly, upper cover 9 is provided with the outlet passageway (meaning not shown in the figures) that air outlet hole 13 is communicated with the upper chamber in film chamber 10.
Pressure regulator valve 14 is horizontally set at upper cover 9 upper ends, and pressure regulator valve 14 comprises valve body 15, the second spring 16, spool 17, valve seat 18, gas outlet valve 19, guidance set 20, the 3rd spring 21, needle 22, diaphragm unit 23, gland 24, the 4th spring 25, spring housing 26, adjustable lever 27, adjustable cap 28 and adjustment cap 29.
The second spring 16, spool 17, valve seat 18, gas outlet valve 19 and guidance set 20 are sequentially gone here and there and are located in valve body 15 from left to right, needle 22 sequentially passes guidance set 20, gas outlet valve 19 and valve seat 18 afterwards from right to left and spool 17 offsets, the right-hand member of needle 22 and the movable butt of diaphragm unit 23, the 3rd spring 21 is sheathed on needle 22, and the two ends of the 3rd spring 21 offset with guidance set 20 and diaphragm unit 23 respectively.The vent of the middle part of valve seat 18 for passing for needle 22, spool 17 under the resilient force of the second spring 16 by the vent shutoff at valve seat 18 middle parts, the inlet hole 12 that makes valve body 15 with air outlet hole 13 in blocking state.
Gland 24 is folded in the right side of diaphragm unit 23, adjustable cap 28 is fixedly connected with valve body 15 and gland 24 is clamped, adjustable lever 27 parts are inserted in adjustable cap 28, adjustment cap 29 is fixedly connected with the outer end of adjustable lever 27, spring housing 26 is threaded with the inner end of adjustable lever 27, and spring housing 26 is along adjustable cap 28 lateral displacements, and the two ends of the 4th spring 25 offset with gland 24 and spring housing 26 respectively.Rotate adjustment cap 29, by adjustment cap 29, drive adjustable lever 27 to rotate, because spring housing 26 is threaded with adjustable lever 27, and spring housing 26 is in the interior cross spacing displacement of adjustable cap 28, therefore when adjustable lever 27 rotates can driving spring cover 26 directions along adjustable lever 27 interior to left dislocation at adjustable cap 28, now spring housing 26 moves to left and compresses the 4th spring 25, make the resilient force of the 4th spring 25 on gland 24, and be passed to diaphragm unit 23 by gland 24, and then drive needle 22 to be moved to the left by diaphragm unit 23, the tubular structure that needle 22 is hollow, needle 22 left ends and spool 17 offset, needle 22 right-hand members are communicated with air outlet hole 13, needle 22 moves left spool 17 is backed down left, between inlet hole 12 and air outlet hole 13, pass through the vent conducting at valve seat 18 middle parts, operation adjustment cap 29 can be to regulating from the gas pressure of air outlet hole 13 outputs.
Described inlet hole 12 and described air outlet hole 13 are arranged on valve body 15, and inlet hole 12 is communicated with the cavity that valve body 15 inside are positioned at valve seat 18 left sides, and the cavity that air outlet hole 13 valve body 15 inside are positioned at valve seat 18 right sides is communicated with.When gas enters from the suction port 1 of housing 3, part gas passes through inclined hole 30 successively, air pipe 32, gas-entered passageway 31 and inlet hole 12 enter into the cavity that valve body 15 inside are positioned at valve seat 18 left sides, after pressure regulator valve 14 pressure regulation, from air outlet hole 13, export the upper chamber in film chamber 10 to, when the pressure of the upper chamber in film chamber 10 increases, impel and there is flexible sealing gasket 11 to bottom offset, and then with the piston 6 on ovable valve stem 5 and valve rod 5 to bottom offset, piston 6 makes valve port 4 in opening state to bottom offset, piston 6 displacement amounts reflect valve port 4 apertures between suction port 1 and air outlet 2, only need to just can realize gas from suction port 1 flow control of 2 to air outlet by the pressure that regulates pressure regulator valve 14 to export Mo Qiang 10 upper chamber to, because adopting pressure regulator valve 14, the utility model realizes Flow-rate adjustment, it has adjusting accurately, labour-saving advantage, and volume is less.
The above is only better embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (6)
1. a large flux control valve, it is characterized in that: comprise the housing (3) that is provided with suction port (1) and air outlet (2), in housing (3), be positioned between suction port (1) and air outlet (2) and be provided with valve port (4), the in-built valve rod (5) that is also provided with of housing (3), valve rod (5) upper end is stretched at housing (3) outside, valve rod (5) lower end is fixedly connected with described valve port (4) and opens and closes the piston (6) coordinating, housing (3) lower end is connected with spring seat (7), in spring seat (7), be equiped with the first spring (8), the two ends of the first spring (8) offset with piston (6) and spring seat (7) respectively, housing (3) upper end is provided with upper cover (9), between upper cover (9) and housing (3), be formed with film chamber (10), in film chamber (10), be equiped with the sealing gasket (11) that film chamber (10) is separated into upper chamber and lower chambers, the lower chambers in film chamber (10) and air outlet (2) conducting, insert in the guiding groove of upper cover (9) upper end of sealing gasket (11), the lower end of sealing gasket (11) and the movable butt of valve rod (5), the upper end of upper cover (9) is connected with the pressure regulator valve (14) that is provided with inlet hole (12) and air outlet hole (13), the inlet hole (12) of pressure regulator valve (14) is communicated with the suction port (1) of housing (3), the air outlet hole (13) of pressure regulator valve (14) is communicated with the upper chamber of film chamber (10).
2. large flux control valve according to claim 1, is characterized in that: described pressure regulator valve (14) comprises valve body (15), the second spring (16), spool (17), valve seat (18), gas outlet valve (19), guidance set (20), the 3rd spring (21), needle (22), diaphragm unit (23), gland (24), the 4th spring (25), spring housing (26), adjustable lever (27), adjustable cap (28) and adjustment cap (29), the second spring (16), spool (17), valve seat (18), gas outlet valve (19) and guidance set (20) are sequentially gone here and there and are located in valve body (15) from left to right, and needle (22) is from right to left sequentially through guidance set (20), after gas outlet valve (19) and valve seat (18) and spool (17) offset, the right-hand member of needle (22) and the movable butt of diaphragm unit (23), the 3rd spring (21) is sheathed on needle (22), and the two ends of the 3rd spring (21) offset with guidance set (20) and diaphragm unit (23) respectively, gland (24) is folded in the right side of diaphragm unit (23), adjustable cap (28) is fixedly connected with valve body (15) and gland (24) is clamped, adjustable lever (27) part is inserted in adjustable cap (28), adjustment cap (29) is fixedly connected with the outer end of adjustable lever (27), spring housing (26) is threaded with the inner end of adjustable lever (27), and spring housing (26) is along adjustable cap (28) lateral displacement, the two ends of the 4th spring (25) offset with gland (24) and spring housing (26) respectively, described inlet hole (12) and described air outlet hole (13) are arranged on valve body (15), inlet hole (12) is communicated with the cavity that valve body (15) inside is positioned at valve seat (18) left side, and the cavity that air outlet hole (13) valve body (15) inside is positioned at valve seat (18) right side is communicated with.
3. large flux control valve according to claim 2, is characterized in that: described upper cover (9) is provided with the outlet passageway that described air outlet hole (13) is communicated with the upper chamber in described film chamber (10).
4. large flux control valve according to claim 2, it is characterized in that: described housing (3) is provided with the inclined hole (30) being communicated with described suction port (1), described upper cover (9) is provided with the gas-entered passageway (31) that described inclined hole (30) is communicated with described inlet hole (12).
5. large flux control valve according to claim 4, is characterized in that: described gas-entered passageway (31) is provided with the air pipe (32) through described sealing gasket (11).
6. large flux control valve according to claim 1, is characterized in that: described pressure regulator valve (14) is fixedly connected with by pin (33) with described upper cover (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412795.2U CN203963058U (en) | 2014-07-24 | 2014-07-24 | A kind of large flux control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412795.2U CN203963058U (en) | 2014-07-24 | 2014-07-24 | A kind of large flux control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203963058U true CN203963058U (en) | 2014-11-26 |
Family
ID=51923641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420412795.2U Expired - Fee Related CN203963058U (en) | 2014-07-24 | 2014-07-24 | A kind of large flux control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203963058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816568A (en) * | 2017-11-10 | 2018-03-20 | 宁波新佳行自动化工业有限公司 | A kind of pressure-reducing valve |
| CN109611587A (en) * | 2018-11-22 | 2019-04-12 | 河北金桥平衡阀门有限公司 | The compensation device of valve opening and closing mechanism |
-
2014
- 2014-07-24 CN CN201420412795.2U patent/CN203963058U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816568A (en) * | 2017-11-10 | 2018-03-20 | 宁波新佳行自动化工业有限公司 | A kind of pressure-reducing valve |
| CN109611587A (en) * | 2018-11-22 | 2019-04-12 | 河北金桥平衡阀门有限公司 | The compensation device of valve opening and closing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Xikou town Fenghua District Ji Shan Industrial Park in Zhejiang province Ningbo City Liansheng village 315500 Patentee after: NINGBO QUANSHENG CENTURY PNEUMATIC TECHNOLOGY CO.,LTD. Address before: 315500 Zhejiang city of Ningbo province Fenghua City Xikou Town Industrial Park Ji Shan Lian Sheng Cun Fenghua Quansheng Automation Engineering Co. Ltd. Patentee before: FENGHUA QUANSHENG AUTOMATION ENGINEERING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |