CN2438895Y - Balance pressure regulating valve - Google Patents
Balance pressure regulating valve Download PDFInfo
- Publication number
- CN2438895Y CN2438895Y CN 00223965 CN00223965U CN2438895Y CN 2438895 Y CN2438895 Y CN 2438895Y CN 00223965 CN00223965 CN 00223965 CN 00223965 U CN00223965 U CN 00223965U CN 2438895 Y CN2438895 Y CN 2438895Y
- Authority
- CN
- China
- Prior art keywords
- flap
- pressure
- low
- pressure cavity
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model relates to a balance pressure regulating valve. A valve body is provided with a high pressure cavity and a low pressure cavity which are respectively connected with a high pressure pipeline and a low pressure pipeline. A throttle orifice of a valve clack structure regulating the flow and connected with a controlling structure is arranged between the high pressure cavity and the low pressure cavity. The valve clack structure is positioned in the guiding spacing structure at the inner wall of the valve body, and a closed pressure balance cavity is formed in the guiding spacing structure. The pressure balance cavity is communicated with the high pressure cavity via a balance passage arranged on the valve clack structure, wherein, the valve clack structure is provided with an extended structure of the low pressure cavity, and the controlling structure is connected with the valve clack structure in the extended structure of the low pressure cavity via a connecting structure in a movable fit with the valve body wall at the position of the low pressure cavity.
Description
The utility model relates to a kind of pressure regulator valve that is used for the conversion of fluid delivery pipeline high low pressure, more specifically say it is the balanced type pressure regulator valve that has the pressure balance cavity configuration in a kind of spool.
Pressure regulator valve is the structural member that carries out use in the high low pressure conversion in fluid delivery pipelines such as gas, liquid, in its spool, respectively with between high and low pressure cavity that high and low pressure two lateral lines are connected the restriction that is provided with the flap structure is arranged, by the control of the switching size between operating mechanism adjusting flap and restriction, realize that the conversion of fluid pressure is controlled and regulated to flow.Because the both sides of flap structure are respectively the high and low pressure environment with pressure difference, the sum of errors influence that operating mechanism is caused for the existence of eliminating because of this pressure difference when imposing the control steering force, the present a kind of settling mode that adopts is to be provided with a pressure balance chamber between flap structure in spool and valve body.Wherein a kind of basic structure form of the modulating valve that has a pressure balance cavity configuration can be as shown in Figure 1: the hyperbaric chamber and the low-pressure cavity that are connected with the high low pressure pipeline are respectively arranged in valve body, be provided with the restriction of regulating flow by the flap structure that is connected with handle structure therebetween, the flap structure is positioned at the guide and limit structure at valve interior wall place, and be formed with the pressure balance chamber of a closure betwixt, be opened in the structural balance channel of flap between pressure balance chamber and hyperbaric chamber and be connected.The reciprocating type movable sealing structure of the structures such as valve rod of this manipulation control structure through the valve body wall place of this pressure balance chamber closes mechanism with the valve foreign minister and is connected.In this structural type, because the structural balance channel of flap can make pressure balance chamber and hyperbaric chamber remain the hyperbaric environment of uniform pressure, thereby can eliminate the situation that flap structure both sides have pressure difference, guarantee that operating mechanism imposes the accuracy of control steering force.But then, because the structures such as valve rod in the operating mechanism are directly by passing valve body wall in the pressure balance chamber that is in hyperbaric environment together, therebetween except that must being provided with the reciprocating type movable sealing structure of having relatively high expectations, the position of causing high-pressure leakage easily in also being to use.In addition, the restriction in spool hour, the handle structure such as valve rod that are connected with the flap structure are occupied when this pressure balance chamber side surface of flap connects to be the needed useful area of its pressure at both sides of balance, regular meeting's generation can not uncared-forly influence.
Given this, the purpose of this utility model is to provide a kind of improved balanced type pressure regulator valve that has the pressure balance cavity configuration for addressing the above problem, it can be eliminated the inconvenience that reciprocating type motive sealing brings is set in hyperbaric environment, and eliminate because of flap structure pressure at both sides balanced area does not wait the adverse effect that is caused, guarantee the reliable and stable of using effect.
The utility model balanced type pressure regulator valve has kept the basic structure of existing balanced type pressure regulator valve, the hyperbaric chamber and the low-pressure cavity that are connected with the high low pressure pipeline are respectively arranged in the valve body, be provided with the restriction of regulating flow by the flap structure that is connected with handle structure therebetween.The flap structure is positioned at the guide and limit structure at valve interior wall place, and is formed with the pressure balance chamber of a closure betwixt, is opened in the structural balance channel of flap between pressure balance chamber and hyperbaric chamber and is connected.Wherein said flap structure has the extended structure in low-pressure cavity, and handle structure is through being connected with the extended structure of flap structure in low-pressure cavity with the valve body wall work linkage structure movingly at low-pressure cavity position.
Be appreciated that thus, the valve body wall that the operating handle of control flap action or relevant linkage structure are set to through being in the low-pressure cavity position is connected with flap in the spool, solved having relatively high expectations and strict reciprocating type movable sealing structure of under hyperbaric environment, must being provided with on the one hand, and this structure high-pressure leakage problem of being difficult to avoid in use, also fundamentally solved simultaneously the adverse effect that elimination flap structure pressure at both sides difference is caused because of the pressure balance useful area that occupies flap, modulating valve its effect less for restriction is more obvious.
In said structure, the extended structure in low-pressure cavity that said flap structure has can for the flap structure be the structure of integrated, also can be for interconnecting composition through suitable Connecting format.For example, the evagination peripheral structure that can make extended structure in low-pressure cavity that said this flap structure has and flap structure be integrated, or the structural type of the appropriate formats such as projection of form of discontinuity.In said structure, for guaranteeing the reliable and stable of operating mechanism work, can make said and handle structure and the extended structure connection structure connecting of flap structure in low-pressure cavity is the structure of a plurality of connecting rod forms.
Below foregoing of the present utility model is further described with embodiment shown in the drawings.But this should be interpreted as that the scope of the utility model foregoing only limits to following example.
Fig. 1 is the structural representation of existing balanced type pressure regulator valve.
Fig. 2 is the structural representation of the utility model balanced type pressure regulator valve.
Shown in Figure 1 is the basic structure of existing balanced type pressure regulator valve, and the hyperbaric chamber 1 and the low-pressure cavity 3 that are connected with the high and low pressure pipeline are respectively arranged in the valve body, is provided with the restriction 2 of being regulated flow by flap 5 therebetween.Flap 5 is positioned at the guide and limit structure 10 at valve interior wall place, and is formed with the pressure balance chamber 8 of a closure betwixt, and pressure balance chamber 8 has the balance channel 9 that is opened on the flap 5 to be connected with 1 of hyperbaric chamber.Flap 5 is connected with operating handle 7 in a side of its pressure balance chamber, and operating handle 7 is connected with operating mechanism outside the valve through reciprocating type movable sealing structure 11 at the valve body wall place at pressure balance chamber 8 places.
In the utility model balanced type pressure regulator valve as shown in Figure 2, the hyperbaric chamber 1 and the low-pressure cavity 3 that can be connected with the high and low pressure pipeline are respectively arranged equally in valve body, be provided with the restriction 2 of regulating flow by flap 5 therebetween.Flap 5 is positioned at the guide and limit structure 10 at valve interior wall place, and is formed with the pressure balance chamber 8 of a closure betwixt, and pressure balance chamber 8 has the balance channel 9 that is opened on the flap 5 to be connected with 1 of hyperbaric chamber.Wherein flap 5 has the evagination periphery 4 of the continuous annular that becomes overall structure form with it and extend in low-pressure cavity 3.The complex root connecting rod 6 that is connected with handle structure 7 enters spool in mode movingly through the valve body wall with low-pressure cavity 3 positions, is connected with this evagination peripheral structure 4 that flap structure 5 is extended in low-pressure cavity 3.
Claims (4)
1. balanced type pressure regulator valve, the hyperbaric chamber (1) and the low-pressure cavity (3) that are connected with the high low pressure pipeline are respectively arranged in the valve body, be provided with the restriction (2) of regulating flow by the flap structure (5) that is connected with handle structure (7) therebetween, flap structure (5) is positioned at the guide and limit structure (10) at valve interior wall place, and be formed with the pressure balance chamber (8) of a closure betwixt, there is the balance channel (9) that is opened on the flap structure (5) to be connected between pressure balance chamber (8) and hyperbaric chamber (1), it is characterized in that said flap structure (5) has the extended structure (4) in low-pressure cavity (3), handle structure (7) is through being connected with the extended structure (4) of flap structure (5) in low-pressure cavity (3) with the valve body wall work linkage structure (6) movingly at low-pressure cavity (3) position.
2. balanced type pressure regulator valve as claimed in claim 1 is characterized in that the extended structure (4) in low-pressure cavity (3) that said flap structure (5) has is the integrated structure with flap structure (5).
3. balanced type pressure regulator valve as claimed in claim 2 is characterized in that the extended structure (4) in low-pressure cavity (3) that said flap structure (5) has is the evagination peripheral structure of flap structure (5).
4. as the described balanced type pressure regulator valve of one of claim 1 to 3, it is characterized in that the linkage structure (6) between said and handle structure (7) and the extended structure (4) of flap structure (5) in low-pressure cavity (3) is a plurality of connecting rod structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223965 CN2438895Y (en) | 2000-08-16 | 2000-08-16 | Balance pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223965 CN2438895Y (en) | 2000-08-16 | 2000-08-16 | Balance pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2438895Y true CN2438895Y (en) | 2001-07-11 |
Family
ID=33588429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00223965 Expired - Fee Related CN2438895Y (en) | 2000-08-16 | 2000-08-16 | Balance pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2438895Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100507330C (en) * | 2007-08-09 | 2009-07-01 | 山东大学 | High volume gas pressure regulating valve |
| CN101846110A (en) * | 2010-05-18 | 2010-09-29 | 陈浩 | Full-balanced control valve |
-
2000
- 2000-08-16 CN CN 00223965 patent/CN2438895Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100507330C (en) * | 2007-08-09 | 2009-07-01 | 山东大学 | High volume gas pressure regulating valve |
| CN101846110A (en) * | 2010-05-18 | 2010-09-29 | 陈浩 | Full-balanced control valve |
| CN101846110B (en) * | 2010-05-18 | 2012-12-26 | 陈浩 | Full-balanced control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: AI EMERSON ELECTRICITY( CHINA )INVESTMENT CO., Free format text: FORMER OWNER: JIUAN TRANSMISSION + DISTRIBUTION EQUIPMENT CO., LTD., CHENGDU Effective date: 20050311 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050311 Address after: 200010, 28 South Road, Shanghai, Zhongshan, building 16, long Patentee after: AI Mosheng electric (China) Investment Company Limited Address before: 610066 Sichuan city of Chengdu province Shuanglin South Branch No. 22 Patentee before: Jiuan Transmission & Distribution Equipment Co., Ltd., Chengdu |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |