CN204985757U - Novel air reducing valve - Google Patents
Novel air reducing valve Download PDFInfo
- Publication number
- CN204985757U CN204985757U CN201520523732.9U CN201520523732U CN204985757U CN 204985757 U CN204985757 U CN 204985757U CN 201520523732 U CN201520523732 U CN 201520523732U CN 204985757 U CN204985757 U CN 204985757U
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- China
- Prior art keywords
- valve
- rod
- epicoele
- cavity
- valve body
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- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a novel air reducing valve relates to an air pressure relief device, including valve body, epicoele, cavity of resorption, the valve opening that dams, valve disc and valve rod, epicoele, cavity of resorption and the valve opening that dams are located in the valve body, the stop valve hole site is between epicoele and cavity of resorption, the valve rod wear to establish with the valve body in, the bottom of valve rod is located to the valve disc, and the upper end of valve rod is connected with the axle sleeve, has cup jointed the bearing in the axle sleeve, and the bearing is connected with the screw rod, the lower part of screw rod is one section glossy body of rod, the top of valve body be equipped with the nut and with screw rod threaded connection, the outer lane of nut is equipped with the external gear, outer gear engagement has a drive gear, drive gear is connected with the motor through the axostylus axostyle, be equipped with pressure sensor on the epicoele inner wall, pressure sensor is connected with control panel, and the motor also is connected with control panel, the utility model discloses pressure -relief is good, adjusts the precision height, simple structure, low in manufacturing cost.
Description
Technical field
The utility model relates to a kind of air decompressor, is specifically related to a kind of novel air reduction valve.
Background technique:
Reduction valve (reducingvalve) is that the aperture of the open-shut device adopted in control valve body is to regulate the flow of medium, the pressure of medium is reduced, simultaneously by the aperture of the effect adjustment open-shut device of downstream pressure, downstream pressure is kept within the specific limits, and cooling water is sprayed in valve body or after valve, the temperature of medium is reduced, this valve is called decompression desuperheat valve, the feature of this valve, be when inlet pressure constantly changes, keep outlet pressure and temperature value in certain scope.Reduction valve is an indispensable accessory of pneumatic control valve, Main Function is by the pressure of source of the gas and is stabilized to a definite value, so that modulating valve can obtain stable source of the gas power for regulable control, application number is that CN201420488749.0 discloses a kind of high-pressure air reduction valve, comprise main valve and pilot valve, described main valve comprises main valve body and is located at the mangetic core assembly in main valve body; The middle lower portion of main valve body arranges a valve-rod cavity, and middle upper portion arranges a piston cavity, and left side arranges an inlet passage be communicated with valve-rod cavity, and right side arranges an outlet passage; Mangetic core assembly comprises main valve stem, main valve clack, spring and piston ring, and arrange the piston cylinder that bottom surface central authorities are provided with stem through-hole in piston cavity, piston ring is located in piston cavity by this piston cylinder; The bottom surface of left one side of something of this piston cylinder is fitted in the inner bottom surface of piston cavity, between the bottom surface of right one side of something of this piston cylinder and the inner bottom surface of piston cavity, there is a gap and form exhaust cavity, this kind of high-pressure air reduction valve, make piston cavity not participate in the expansion of flowing medium, thus the ice solving outlet side block up problem, but this kind of structure of relief pressure valve complexity, manufacture cost is high, and pressure change situation is not easily observed, control inconvenience.
Model utility content
The purpose of this utility model is to provide a kind of novel air reduction valve, to solve the above-mentioned multinomial defect caused in prior art.
A kind of novel air reduction valve, comprise valve body, epicoele, cavity of resorption, throttling aperture, valve disc and valve rod, described epicoele, cavity of resorption and throttling aperture are located in valve body, described throttling aperture is between epicoele and cavity of resorption, described valve rod wears with in valve body, described valve disc is located at the bottom of valve rod, the upper end of valve rod is connected with axle sleeve, bearing is socketed with in axle sleeve, bearing is connected with screw rod, the bottom of described screw rod is one section of smooth body of rod, the top of valve body is provided with nut and is connected with screw flight, the outer ring of nut is provided with external gear, external gear is engaged with driving gear, driving gear is connected with motor by axostylus axostyle, described upper cavity wall is provided with pressure transducer, pressure transducer is connected with control panel, motor is also connected with control panel.
Preferably, described control panel is provided with display device and button.
Preferably, the joint of the described body of rod and valve body is socketed with seal ring.
Preferably, the inlet end of described throttling aperture is the conical surface, and the top of described valve disc is provided with the plug coordinated with inlet end.
Preferably, described plug is provided with sealing gasket.
The utility model has the advantage of: the air reducing valve of this kind of structural design, utilize the outlet pressure in pressure transducer detection epicoele, when occurring that force value changes, described valve rod can move up and down under the drive of motor, and then control the keying of throttling aperture, the outlet pressure in epicoele is made to maintain a comparatively stable value, degree of regulation is high, structure is simple, low cost of manufacture, described control panel is provided with display device and button, be convenient to the size that people observe outlet pressure, and control by button the lifting that motor forward or reverse carrys out regulating valve stem, simple operation, the joint of the described body of rod and valve body is socketed with seal ring, improve the tightness of valve body, the inlet end of described throttling aperture is the conical surface, the top of described valve disc is provided with the plug coordinated with inlet end, described plug is provided with sealing gasket, inlet end adopts the conical surface and sealing gasket by being provided with, further increase the sealing of valve disc.
Accompanying drawing explanation
Fig. 1 is the plan view of a kind of novel air reduction valve described in the utility model.
Fig. 2 is the positive view of a kind of novel air reduction valve described in the utility model.
Wherein: 1-valve body, 2-epicoele, 3-cavity of resorption, 4-throttling aperture, 5-valve disc, 6-valve rod, 7-axle sleeve, 8-bearing, 9-screw rod, 10-nut, 11-external gear, 12-driving gear, 13-axostylus axostyle, 14-motor, 15-pressure transducer, 16-control panel, 17-display device, 18-button, 19-seal ring, 20-plug, 21-sealing gasket, 22-body of rod.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
As depicted in figs. 1 and 2, a kind of novel air reduction valve, comprise valve body 1, epicoele 2, cavity of resorption 3, throttling aperture 4, valve disc 5 and valve rod 6, described epicoele 2, cavity of resorption 3 and throttling aperture 4 are located in valve body 1, described throttling aperture 4 is between epicoele 2 and cavity of resorption 3, described valve rod 6 wears with in valve body 1, described valve disc 5 is located at the bottom of valve rod 6, the upper end of valve rod 6 is connected with axle sleeve 7, bearing 8 is socketed with in axle sleeve 7, bearing 8 is connected with screw rod 9, the bottom of described screw rod 9 is one section of smooth body of rod 22, the top of valve body 1 is provided with nut 10 and is threaded with screw rod 9, the outer ring of nut 10 is provided with external gear 11, external gear 11 is engaged with driving gear 12, driving gear 12 is connected with motor 14 by axostylus axostyle 13, described epicoele 2 inwall is provided with pressure transducer 15, pressure transducer 15 is connected with control panel 16, motor 14 is also connected with control panel 16, the air reducing valve of this kind of structural design, pressure transducer 15 is utilized to detect outlet pressure in epicoele 2, when occurring that force value changes, described valve rod 6 can move up and down under the drive of motor, and then control the keying of throttling aperture 4, the outlet pressure in epicoele 2 is made to maintain a comparatively stable value, degree of regulation is high, structure is simple, low cost of manufacture.
It should be noted that described control panel 16 is provided with display device 17 and button 18, be convenient to the size that people observe outlet pressure, and control by button 18 lifting that motor 14 forward or reverse carrys out regulating valve stem 6, simple operation.
In the present embodiment, the described body of rod 22 is socketed with seal ring 19 with the joint of valve body 1, improves the tightness of valve body 1.
In the present embodiment, the inlet end of described throttling aperture 4 is the conical surface, and the top of described valve disc 5 is provided with the plug 20 coordinated with inlet end, and described plug 20 is provided with sealing gasket 21, inlet end adopts the conical surface and sealing gasket 21 by being provided with, further increases the sealing of valve disc 5.
Based on above-mentioned, the air reducing valve of this kind of structural design, pressure transducer 15 is utilized to detect outlet pressure in epicoele 2, when occurring that force value changes, described valve rod 6 can move up and down under the drive of motor, and then controls the keying of throttling aperture 4, the outlet pressure in epicoele 2 is made to maintain a comparatively stable value, degree of regulation is high, and structure is simple, low cost of manufacture.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (5)
1. a novel air reduction valve, it is characterized in that, comprise valve body, epicoele, cavity of resorption, throttling aperture, valve disc and valve rod, described epicoele, cavity of resorption and throttling aperture are located in valve body, described throttling aperture is between epicoele and cavity of resorption, described valve rod wears with in valve body, described valve disc is located at the bottom of valve rod, the upper end of valve rod is connected with axle sleeve, bearing is socketed with in axle sleeve, bearing is connected with screw rod, the bottom of described screw rod is one section of smooth body of rod, the top of valve body is provided with nut and is connected with screw flight, the outer ring of nut is provided with external gear, external gear is engaged with driving gear, driving gear is connected with motor by axostylus axostyle, described upper cavity wall is provided with pressure transducer, pressure transducer is connected with control panel, motor is also connected with control panel.
2. a kind of novel air reduction valve according to claim 1, is characterized in that: described control panel is provided with display device and button.
3. a kind of novel air reduction valve according to claim 1, is characterized in that: the joint of the described body of rod and valve body is socketed with seal ring.
4. a kind of novel air reduction valve according to claim 1, is characterized in that: the inlet end of described throttling aperture is the conical surface, and the top of described valve disc is provided with the plug coordinated with inlet end.
5. a kind of novel air reduction valve according to claim 4, is characterized in that: described plug is provided with sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520523732.9U CN204985757U (en) | 2015-07-20 | 2015-07-20 | Novel air reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520523732.9U CN204985757U (en) | 2015-07-20 | 2015-07-20 | Novel air reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985757U true CN204985757U (en) | 2016-01-20 |
Family
ID=55120125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520523732.9U Expired - Fee Related CN204985757U (en) | 2015-07-20 | 2015-07-20 | Novel air reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985757U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065683A (en) * | 2015-07-20 | 2015-11-18 | 江苏通达船用阀泵有限公司 | Novel air reducing valve |
| CN112145718A (en) * | 2020-09-22 | 2020-12-29 | 南通龙源电站阀门有限公司 | Valve structure for low-pressure pipeline of thermal power plant |
| CN112815107A (en) * | 2021-02-04 | 2021-05-18 | 江苏江浪阀门有限公司 | High-precision electric corrugated pipe regulating valve and machining process thereof |
-
2015
- 2015-07-20 CN CN201520523732.9U patent/CN204985757U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065683A (en) * | 2015-07-20 | 2015-11-18 | 江苏通达船用阀泵有限公司 | Novel air reducing valve |
| CN112145718A (en) * | 2020-09-22 | 2020-12-29 | 南通龙源电站阀门有限公司 | Valve structure for low-pressure pipeline of thermal power plant |
| CN112815107A (en) * | 2021-02-04 | 2021-05-18 | 江苏江浪阀门有限公司 | High-precision electric corrugated pipe regulating valve and machining process thereof |
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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: 20160120 Termination date: 20170720 |