CN209990967U - Novel pressure stabilizing and reducing valve - Google Patents
Novel pressure stabilizing and reducing valve Download PDFInfo
- Publication number
- CN209990967U CN209990967U CN201920499721.XU CN201920499721U CN209990967U CN 209990967 U CN209990967 U CN 209990967U CN 201920499721 U CN201920499721 U CN 201920499721U CN 209990967 U CN209990967 U CN 209990967U
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- valve
- pressure
- cover
- clack
- valve body
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- Expired - Fee Related
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Abstract
The utility model discloses a novel pressure stabilizing and reducing valve, which comprises a valve cover and a valve body connected with the valve cover; a valve rod is arranged in the center of the valve cover, and a spring and a fixing plate are sequentially arranged in the valve cover and on the valve rod downwards; the upper end and the lower end of the spring are respectively fixed on the upper end of the valve cover and the fixing plate, and the fixing plate is fixed through a nut; an axial channel is arranged in the middle of the valve body; an upper pressure plate, a concave diaphragm, an I-shaped valve clack and a lower pressure plate are sequentially arranged downwards in the valve body and on the valve rod; the concave diaphragm is pressed by the upper pressure plate and the I-shaped valve clack, and two sides of the concave diaphragm are arranged between the valve body and the valve cover; a fixed block is arranged at the bottom of the valve rod; the inlet cavity of the valve body is connected with a needle valve through a guide pipe and is guided to the inside of the valve cover, and the outlet cavity of the valve body is connected with a guide valve and a ball valve and is guided to the inside of the valve cover. The utility model discloses novel structure, long service life, the leakproofness is high.
Description
Technical Field
The utility model relates to a valve field, in particular to novel steady voltage relief pressure valve.
Background
The pressure reducing valve is used for controlling the opening degree of an opening and closing part in a valve body to adjust the flow of a medium, reducing the pressure of the medium, adjusting the opening degree of the opening and closing part by means of the action of the pressure behind the valve to keep the pressure behind the valve within a certain range, and keeping the pressure at an outlet within a set range under the condition that the pressure at the inlet is continuously changed to protect the subsequent life and production appliances.
The pressure reducing and stabilizing valve utilizes the needle type regulating valve and the pilot valve to carry out water pressure self-control, does not need to be additionally provided with other devices and energy sources, is simple and convenient to maintain and maintain, is slightly influenced by inlet pressure and flow, has high pressure control accuracy and is reliable in pressure reducing and stabilizing.
The valve clack and the valve rod of the conventional pressure reducing and stabilizing valve are abraded greatly, and meanwhile, an internal spring is fatigued after being used for a long time, so that the sealing property cannot reach the standard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sealed inseparable, long service life's a novel steady voltage relief pressure valve.
The purpose of the utility model is realized like this: a novel pressure stabilizing and reducing valve comprises a valve cover and a valve body connected with the valve cover; a valve rod is arranged in the center of the valve cover, and a spring and a fixing plate are sequentially arranged in the valve cover and on the valve rod downwards; the upper end and the lower end of the spring are respectively fixed on the upper end of the valve cover and the fixing plate, and the fixing plate is fixed through a nut; an axial channel is arranged in the middle of the valve body; an upper pressure plate, a concave diaphragm, an I-shaped valve clack and a lower pressure plate are sequentially arranged downwards in the valve body and on the valve rod; the concave diaphragm is pressed by the upper pressure plate and the I-shaped valve clack, and two sides of the concave diaphragm are arranged between the valve body and the valve cover; a fixed block is arranged at the bottom of the valve rod; the inlet cavity of the valve body is connected with a needle valve through a guide pipe and is guided to the inside of the valve cover, and the outlet cavity of the valve body is connected with a guide valve and a ball valve and is guided to the inside of the valve cover.
Compared with the prior art, the utility model discloses an useful part lies in: because the traditional single spring is set into double springs, the overall restoring force of the spring is greatly enhanced, and meanwhile, the spring is not easy to damage; the sealing ring is arranged between the lower part of the I-shaped valve clack and the lower pressing plate, so that the sealing ring can be wrapped and fixed and is not easy to damage and fall; because the contact area between the middle part of the I-shaped valve clack and the valve rod is reduced, the wear of the I-shaped valve clack and the valve rod is smaller, and the service life is longer.
As the utility model discloses a preferred scheme, top board, spill diaphragm, I shape valve clack, lower clamp plate pass the valve rod and arrange in on the fixed block and compress tightly through the nut at top.
As a further preferred aspect of the present invention, the spring is an inner spring and an outer spring with a strong restoring force.
As a further preferred scheme of the utility model, I shape valve clack middle part is kept apart with the valve rod and is reduced friction.
As a further preferred scheme of the utility model, I shape valve clack lower part is turned over down, the holding down plate sets up to protruding type structure, be provided with the sealing washer between I shape valve clack lower part and the holding down plate.
As a further preferred scheme of the utility model, I-shaped valve clack lower part can closely cooperate with the passageway.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The valve comprises a valve cover 1, a valve body 2, a valve rod 3, a spring 4, a fixing plate 5, a nut 6, a channel 7, an upper pressing plate 8, a concave membrane 9, an I-shaped valve clack 10, a lower pressing plate 11, a guide tube 12, a needle valve 13, a pilot valve 14, a ball valve 15, a sealing ring 16, a fixing block 17, an inlet cavity 18 and an outlet cavity 19.
Detailed Description
As shown in fig. 1, the novel pressure stabilizing and reducing valve comprises a valve cover 1 and a valve body 2 connected with the valve cover 1; a valve rod 3 is arranged in the center of the valve cover 1, and a spring 4 and a fixing plate 5 are sequentially arranged downwards in the valve cover 1 and on the valve rod 3; the upper end and the lower end of the spring 4 are respectively fixed on the upper end of the valve cover 1 and the fixing plate 5, and the fixing plate 5 is fixed through a nut 6; the middle part of the valve body 2 is provided with an axial channel 7; an upper pressure plate 8, a concave diaphragm 9, an I-shaped valve clack 10 and a lower pressure plate 11 are sequentially arranged downwards in the valve body 2 and on the valve rod 3; the concave diaphragm 9 is pressed by the upper pressure plate 8 and the I-shaped valve clack 10, and two sides of the concave diaphragm 9 are arranged between the valve body 2 and the valve cover 1; the bottom of the valve rod 3 is provided with a fixed block 17; the inlet cavity of the valve body 2 is connected with a needle valve 13 through a guide pipe 12 and leads to the inside of the valve cover 1, and the outlet cavity of the valve body 2 is connected with a pilot valve 14, a ball valve 15 and leads to the inside of the valve cover 1.
The upper pressure plate 8, the concave diaphragm 9, the I-shaped valve clack 10 and the lower pressure plate 11 penetrate through the valve rod 3, are arranged on the fixed block 11 and are pressed tightly through the nut 6 at the top.
The spring 4 is an inner and outer double spring having a strong restoring force.
The middle part of the I-shaped valve clack 10 is isolated from the valve rod 3 to reduce friction.
The lower part of the I-shaped valve clack 10 is turned inwards downwards, the lower pressing plate 11 is of a convex structure, and a sealing ring 16 is arranged between the lower part of the I-shaped valve clack 10 and the lower pressing plate 11.
The lower part of the i-shaped flap 10 can be tightly fitted with the channel 7.
The working principle of the utility model is explained as follows: in operation, water flows from the inlet cavity 18 through the guide pipe 12 and enters the valve cover 1 through the needle valve 13; the outlet cavity 19 acts on the pilot valve 14 through the guide pipe 12, when the pressure of the outlet cavity 19 is higher than a set value adjusted by the pilot valve 14, the pilot valve 14 is closed, the pressure in the valve cover 1 is increased, the I-shaped valve clack 10 drives the valve rod 3 to be automatically closed by the concave diaphragm 9 under the internal pressure, and the pressure of the outlet cavity 19 is not increased any more at the moment; when the pressure of the outlet cavity 19 is reduced to a set value adjusted by the pilot valve 14, the pilot valve 14 is opened, water flow is discharged from the valve cover 1 through the outlet cavity 19, the water discharge amount of the pilot valve 14 is larger than the water inlet amount of the needle valve 13, the pressure in the valve cover 1 is reduced, the pressure of the outlet cavity 19 pushes the I-shaped valve clack 10 to be opened, the water inlet amount and the water discharge amount in the valve cover 1 are the same in a stable state, the opening degree of the I-shaped valve clack 10 is unchanged, and the pressure in the outlet cavity 19 is stable.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (7)
1. A novel pressure stabilizing and reducing valve is characterized in that: comprises a valve cover and a valve body connected with the valve cover; a valve rod is arranged in the center of the valve cover, and a spring and a fixing plate are sequentially arranged in the valve cover and on the valve rod downwards; the upper end and the lower end of the spring are respectively fixed on the upper end of the valve cover and the fixing plate, and the fixing plate is fixed through a nut; an axial channel is arranged in the middle of the valve body; an upper pressure plate, a concave diaphragm, an I-shaped valve clack and a lower pressure plate are sequentially arranged downwards in the valve body and on the valve rod; the concave diaphragm is pressed by the upper pressure plate and the I-shaped valve clack, and two sides of the concave diaphragm are arranged between the valve body and the valve cover; a fixed block is arranged at the bottom of the valve rod; the inlet cavity of the valve body is connected with a needle valve through a guide pipe and is guided to the inside of the valve cover, and the outlet cavity of the valve body is connected with a guide valve and a ball valve and is guided to the inside of the valve cover.
2. A novel pressure-stabilizing pressure-reducing valve as claimed in claim 1, characterized in that: the upper pressure plate, the concave diaphragm, the I-shaped valve clack and the lower pressure plate penetrate through the valve rod and are arranged on the fixed block and are tightly pressed through the nut at the top.
3. A novel pressure-stabilizing pressure-reducing valve as claimed in claim 1, characterized in that: the spring is an inner spring and an outer spring with strong restoring force.
4. A novel pressure-stabilizing pressure-reducing valve as claimed in claim 1, characterized in that: the middle part of the I-shaped valve clack is isolated from the valve rod to reduce friction.
5. A novel pressure-stabilizing pressure-reducing valve as claimed in claim 1, characterized in that: the lower portion of the I-shaped valve clack is turned inwards downwards, the lower pressing plate is of a convex structure, and a sealing ring is arranged between the lower portion of the I-shaped valve clack and the lower pressing plate.
6. A novel pressure-stabilizing pressure-reducing valve as claimed in claim 1, characterized in that: the lower part of the I-shaped valve clack can be tightly matched with the channel.
7. A novel pressure-stabilizing pressure-reducing valve as claimed in claim 1, characterized in that: the valve body is fixedly connected with the valve cover through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499721.XU CN209990967U (en) | 2019-04-15 | 2019-04-15 | Novel pressure stabilizing and reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499721.XU CN209990967U (en) | 2019-04-15 | 2019-04-15 | Novel pressure stabilizing and reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990967U true CN209990967U (en) | 2020-01-24 |
Family
ID=69291362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920499721.XU Expired - Fee Related CN209990967U (en) | 2019-04-15 | 2019-04-15 | Novel pressure stabilizing and reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816895A (en) * | 2020-07-15 | 2020-10-23 | 山东派蒙机电技术有限公司 | Device for keeping pressure stability of hydrogen path of hydrogen fuel cell |
-
2019
- 2019-04-15 CN CN201920499721.XU patent/CN209990967U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816895A (en) * | 2020-07-15 | 2020-10-23 | 山东派蒙机电技术有限公司 | Device for keeping pressure stability of hydrogen path of hydrogen fuel cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200124 Termination date: 20200415 |