CN205090033U - Pressure regulating valve - Google Patents
Pressure regulating valve Download PDFInfo
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- CN205090033U CN205090033U CN201520821805.2U CN201520821805U CN205090033U CN 205090033 U CN205090033 U CN 205090033U CN 201520821805 U CN201520821805 U CN 201520821805U CN 205090033 U CN205090033 U CN 205090033U
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- valve
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- seal ring
- pressure
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Abstract
The utility model relates to a pressure regulating valve, including the valve gap and the pressure regulating valve body, installed the hand wheel on the valve gap, the hand wheel is equipped with many recesses, and the lifting screw is connected to the bottom surface of hand wheel, lifting screw installation spring, the left and right sides of valve gap all is equipped with the screw socket, has installed in the screw socket and has pieced together the cap, and the valve gap is connected on the pressure regulating valve body through piecing together the cap, the internal diaphragm assembly that is equipped with of pressure regulating valve, valve rod and valve core case, the valve rod is connected on the disk seat, and the left and right sides of disk seat still is equipped with the sealing washer, is equipped with the case in the disk seat, and the left and right sides of case is equipped with poppet spring, the utility model discloses a pressure regulating valve cuts the switch -on medium, adjusts flow, pressure and the liquid level of medium, changes the flow direction, according to the regulator site signal, and the aperture of automatic control valve door to reach the regulation of medium flow, pressure and liquid level.
Description
Technical field
The utility model relates to the device of adjustments of gas pressure, and what does is the material condition that particularly a kind of pressure regulation is granted patent?
"Patent Law" Article 22 specifies: the invention of granting patent and model utility, should possess novelty, creativeness and practicability.
Novelty, refer to not to have same invention or utility model publication be published at home and abroad, openly used at home or be otherwise public domain before the applying date, did not have same invention or utility model to be proposed to apply for and in the patent application document announced after being documented in the applying date to the State Council patent administration by other people yet.
Creativeness, before referring to the same applying date, existing technology is compared, and this invention has outstanding substantive distinguishing features and significant progress, and this model utility has substantive distinguishing features and progress.
Practicability, refers to that this invention or utility model can manufacture or use, and can produce good effect.
So possessing novelty, creativeness and practicability is authorize the essendal condition of invention and utility model patent.
Meanwhile, "Patent Law" Article 23 specifies: the appearance design of granting patent, and should publish or state's internal valve with on the applying date former publication at home and abroad.
Background technique
In modernization controls automatically, pressure regulator valve plays an important role, the production of factory depends on that the medium flowed correctly distributes and controls, these energy interchanges controlled, pressure reduces or container is reinforced all needs control unit to go, this just needs to use pressure regulator valve, pressure regulator valve plays adjustable resistance in the duct, change the turbulence scale of process fluid pressure regulator valve or provide pressure to reduce at manual pressure regulating valve laminar flow, existing pressure regulator valve is divided into a variety of, it can be divided into air vent valve, electric pressure-regulating valve, surge pressure regulator valve three kinds, wherein, air vent valve refers to the pressure controlling air-flow in pneumatic system, flow and flow direction, and ensure all kinds of pneumatic elements that pneumatic apparatus or mechanism normally work, the element of control and pressure regulation compressed air pressure, regulate the pressure of medium, flow, the parameters such as temperature, but, the structure of existing pressure regulator valve is simple, connection between valve gap and pressure regulation valve body is insecure, cause not easily regulating, and in use, lifting screw out of plumb, reduce using effect, decrease working life.
Model utility content
The utility model in order to the structure of the pressure regulator valve solving prior art simple, connection between valve gap and pressure regulation valve body is insecure, cause not easily regulating, and in use, lifting screw off plumb problem, provide and arrange easy adjustment by handwheel, lifting screw vertically uses, by the setting of spool and valve core spring thereof, improve the pressure regulator valve of using effect.
Concrete technological scheme of the present utility model is as follows: a kind of pressure regulator valve, comprise valve gap and pressure regulation valve body, described valve gap has installed handwheel, described handwheel is provided with many grooves, the bottom surface of described handwheel connects lifting screw, described lifting screw is provided with nut, described lifting screw has installed spring, the left and right sides of described valve gap is equipped with screw socket, in described screw socket, spelling cap is installed, described valve gap is connected on pressure regulation valve body by spelling cap, diaphragm unit is provided with in described pressure regulation valve body, valve rod and valve core case, described diaphragm unit comprises primary diaphragm group and secondary diaphragm group, described primary diaphragm group and secondary diaphragm group include diaphragm fixed base, diaphragm and diaphragm packing ring, described diaphragm fixed base includes base plate and riser, described riser is provided with two pieces, it is respectively starting stave and the second riser, described starting stave is arranged on the inner side of base plate, described second riser is arranged on the neutral position of the end face of base plate, notch is defined between described starting stave and the second riser, the bottom surface of described diaphragm fixed base connects diaphragm, described diaphragm connects diaphragm packing ring, described valve rod is arranged between primary diaphragm group and secondary diaphragm group, described valve rod is connected on valve seat, the left and right sides of described valve seat is also provided with seal ring, spool is provided with in described valve seat, the left and right sides of described spool is provided with valve core spring.
It is below attached technological scheme of the present utility model.
Preferably, described seal ring is provided with two, and it is respectively the first seal ring and the second seal ring, and described first seal ring and the second seal ring are O type circle.
Preferably, the material of described first seal ring and the second seal ring is rubber.
Preferably, the left and right sides of described pressure regulation valve body is also provided with ventilating hole, and it is respectively air inlet ventilating hole and exhaust ventilating hole, and it is that relative position is arranged.
Preferably, described air inlet ventilating hole is connected with exhaust ventilating hole, and its bore diameter is identical.
Technique effect of the present utility model: a kind of modulating valve of the present utility model can block connection medium, regulate the flow of medium, pressure and liquid level, change and flow to, according to regulator site signal, the aperture of autocontrol valve, thus reach the adjustment of rate-of flow, pressure and liquid level, and by spelling being connected firmly of cap between valve gap and pressure regulation valve body, by handwheel, easy adjustment is set, lifting screw vertically uses, and pass through the setting of spool and valve core spring thereof, improve using effect, add working life.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of pressure regulator valve of the utility model embodiment.
In figure: valve gap 1, handwheel 11, groove 110, lifting screw 12, nut 121, spring 13, screw socket 14, spells cap 15, pressure regulation valve body 2, diaphragm unit 3, primary diaphragm group 31, secondary diaphragm group 32, diaphragm fixed base 33, notch 331, diaphragm 34, diaphragm packing ring 35, valve rod 4, valve core case 5, spool 50, valve core spring 51, seal ring 6, the first seal ring 61, second seal ring 62, ventilating hole 7, air inlet ventilating hole 71, exhaust ventilating hole 72, riser 8, starting stave 81, the second riser 82, base plate 9.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, a kind of pressure regulator valve of the present embodiment, comprises valve gap 1 and pressure regulation valve body 2, described valve gap 1 has been installed handwheel 11 and lifting screw 12, described handwheel 11 is provided with many grooves 110, arranges like this, when rotating handwheel, preventing hand from skidding, improve Security.The bottom surface of described handwheel 11 is connected on lifting screw 12, arranges like this, valve block can not rotate time, by operated by handwheel, make valve reach the position of needs.Described lifting screw 12 is provided with nut 121, described lifting screw 12 has installed spring 13, the left and right sides of described valve gap 1 is equipped with screw socket 14, in the screw socket 14 that described valve gap 1 left and right sides is provided with, spelling cap 15 is all installed, described valve gap logical 1 is crossed spelling cap 15 and is connected on pressure regulation valve body 2, such setting, is connected firmly.Diaphragm unit 3 is provided with in described pressure regulation valve body 2, valve rod 4 and valve core case 5, described diaphragm unit 4 comprises primary diaphragm group 41 and secondary diaphragm group 42, described primary diaphragm group 41 and secondary diaphragm group 42 include diaphragm fixed base 33, diaphragm 34 and diaphragm packing ring 35, described diaphragm fixed base includes base plate and riser, described riser 8 is provided with two pieces, it is respectively starting stave 81 and the second riser 82, described starting stave 81 is arranged on the inner side of base plate 9, described second riser 81 is arranged on the neutral position of the end face of base plate 9, notch 331 is defined between described first and second risers, such setting, be connected firmly, be convenient to drive valve core movement, transmit and balance pressure.The bottom surface of described diaphragm fixed base 33 connects diaphragm 34, described diaphragm 34 connects diaphragm packing ring 35, such setting, diaphragm is the medium as pressure transmission and balance, it plays switch and pressure feedback effect, side is outlet pressure, side is reference pressure, its reference pressure can be spring, also can be a pressure source, when two pressure are equal, diaphragm is just motionless, and drive valve core movement, diaphragm is movable, be connected by mechanical structure with spool, , when outlet pressure and reference pressure imbalance, its action drives valve core movement, change the opening at spool place, make balance between two forces.Described valve rod 4 is arranged between primary diaphragm group 31 and secondary diaphragm group 32, and described valve rod 4 is connected on valve seat 5, arranges like this, valve rod is for transmission, its Shang Jie actuator or handwheel, below directly band movable valve plug move or rotate, to realize valve switch or regulating action.Valve rod not still movement parts, stressed member in opening-closing process, and be Sealing, meanwhile, be subject to impact and the corrosion of medium, also produce with filler and rub.The left and right sides of described valve seat 5 is also provided with seal ring 6, and described seal ring 6 is provided with two, and it is respectively the first seal ring 61 and the second seal ring 62, and described first seal ring 61 and the second seal ring 62 are O type circle.The material of described first seal ring 61 and the second seal ring 62 is rubber.Such setting, is convenient to be tightly connected.Be provided with spool 50 in described valve seat 5, the bottom surface of described spool 50 is provided with valve core spring 51, and it connects valve core spring 51.Such setting, makes spool be used for adjusting size wider of pressure.The left and right sides of described pressure regulation valve body 2 is also provided with ventilating hole 7, and it is respectively air inlet ventilating hole 71 and exhaust ventilating hole 72, and it is that relative position is arranged.Described air inlet ventilating hole 71 is connected with exhaust ventilating hole 72, and its bore diameter is identical.Such setting, is convenient to air inlet and exhaust.
Pressure regulator valve of the present utility model, resistance is changed by changing flow process according to input signal, thus reach the object of adjust flux, modulating valve stream is simple, resistance is little, generally be applicable to forward and use installation, but oppositely use at high pressure drop occasion modulating valve, with the damage improving unbalanced force and reduce spool, be also conducive to the flowing of medium simultaneously, avoid modulating valve coking and blocking; Modulating valve, when oppositely using, avoids the situation that small guide vane is over a long time opened, in case cause intense oscillations and damage spool, in case modulating valve damages.
A kind of pressure regulator valve of the present utility model, when the pressure of the ventilating hole of giving vent to anger of pressure regulator valve rises voluntarily and exceedes certain License Value, pressure regulator valve can open exhaust automatically, and the pressure of the ventilating hole of giving vent to anger of low pressure can be controlled by adjusting screw rod; In concrete using process, first open handwheel, then handwheel adjusting screw rod is rotated clockwise, make its Compress Spring and transmission membrane chip module and lifting screw and opened by piston, the pressurized gas of such air inlet ventilating hole enter low pressure chamber by hyperbaric chamber after expenditure and pressure, and lead to work system through outlet, rotate and regulate lifting screw, change the height that piston is opened, thus regulate the throughput of pressurized gas and reach required force value.
A kind of pressure regulator valve of the present embodiment can block connection medium, regulate the flow of medium, pressure and liquid level, change and flow to, according to regulator site signal, the aperture of autocontrol valve, thus reach the adjustment of rate-of flow, pressure and liquid level, and by spelling being connected firmly of cap between valve gap and pressure regulation valve body, easy adjustment is set by handwheel, lifting screw vertically uses, and pass through the setting of spool and valve core spring thereof, improve using effect, add working life.It is to be noted; above-mentioned preferred embodiment is only and technical conceive of the present utility model and feature is described; its object is to person skilled in the art can be understood content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (5)
1. a pressure regulator valve, comprise valve gap and pressure regulation valve body, it is characterized in that: described valve gap has installed handwheel, described handwheel is provided with many grooves, the bottom surface of described handwheel connects lifting screw, described lifting screw is provided with nut, described lifting screw has installed spring, the left and right sides of described valve gap is equipped with screw socket, in described screw socket, spelling cap is installed, described valve gap is connected on pressure regulation valve body by spelling cap, diaphragm unit is provided with in described pressure regulation valve body, valve rod and valve core case, described diaphragm unit comprises primary diaphragm group and secondary diaphragm group, described primary diaphragm group and secondary diaphragm group include diaphragm fixed base, diaphragm and diaphragm packing ring, described diaphragm fixed base includes base plate and riser, described riser is provided with two pieces, it is respectively starting stave and the second riser, described starting stave is arranged on the inner side of base plate, described second riser is arranged on the neutral position of the end face of base plate, notch is defined between described starting stave and the second riser, the bottom surface of described diaphragm fixed base connects diaphragm, described diaphragm connects diaphragm packing ring, described valve rod is arranged between primary diaphragm group and secondary diaphragm group, described valve rod is connected on valve seat, the left and right sides of described valve seat is also provided with seal ring, spool is provided with in described valve seat, the left and right sides of described spool is provided with valve core spring.
2. a kind of pressure regulator valve as claimed in claim 1, it is characterized in that: described seal ring is provided with two, it is respectively the first seal ring and the second seal ring, described first seal ring and the second seal ring are O type circle.
3. a kind of pressure regulator valve as claimed in claim 2, is characterized in that: the material of described first seal ring and the second seal ring is rubber.
4. a kind of pressure regulator valve as claimed in claim 1, is characterized in that: the left and right sides of described valve body is also provided with ventilating hole, and it is respectively air inlet ventilating hole and exhaust ventilating hole, and it is that relative position is arranged.
5. a kind of pressure regulator valve as claimed in claim 4, is characterized in that: described air inlet ventilating hole is connected with exhaust ventilating hole, and its bore diameter is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520821805.2U CN205090033U (en) | 2015-10-21 | 2015-10-21 | Pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520821805.2U CN205090033U (en) | 2015-10-21 | 2015-10-21 | Pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205090033U true CN205090033U (en) | 2016-03-16 |
Family
ID=55480720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520821805.2U Active CN205090033U (en) | 2015-10-21 | 2015-10-21 | Pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205090033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275644A (en) * | 2018-01-25 | 2018-07-13 | 大连鸿泽泵业有限公司 | A kind of Unloading Device |
-
2015
- 2015-10-21 CN CN201520821805.2U patent/CN205090033U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275644A (en) * | 2018-01-25 | 2018-07-13 | 大连鸿泽泵业有限公司 | A kind of Unloading Device |
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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: 315500 Ningbo District, Zhejiang City, Fenghua Province, Jiangkou street, three horizontal Patentee after: Ningbo Shengda sunlight Automation Technology Co., Ltd. Address before: 311550 No. 81, Nanshan Road, Fenghua, Zhejiang Patentee before: Ningbo Shengda Sun Pneumatic Machinery Co., Ltd. |
|
| CP03 | Change of name, title or address |