CN85201333U - Hydraulically controlled buffering check butterfly valve - Google Patents
Hydraulically controlled buffering check butterfly valve Download PDFInfo
- Publication number
- CN85201333U CN85201333U CN 85201333 CN85201333U CN85201333U CN 85201333 U CN85201333 U CN 85201333U CN 85201333 CN85201333 CN 85201333 CN 85201333 U CN85201333 U CN 85201333U CN 85201333 U CN85201333 U CN 85201333U
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- valve
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- butterfly valve
- hydraulic
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Abstract
The utility model relates to a hydraulically controlled buffering check butterfly valve, belonging to a hydraulically controlled buffering check butterfly valve used in the water supply system. The utility model has the characteristics of small flow resistance, reliable sealing performance of the hydraulic system, low internal leakage amount, small vibration, steady work, long service life and little energy consumption. The original checking valve and gating valve can be replaced by the utility model; a seal check valve with a conical surface is arranged in the hydraulic system, replaces the two-bit two-way sliding valve and controls the internal leakage amount of the hydraulic circuit effectively; a guide cone valve is controlled by adding the force on a lever, which causes the sealing to be more reliable. The utility model is mainly used for water supplying and draining systems of pumping stations, reservoirs, large dams, etc.
Description
The utility model is a kind of hydraulic control buffering non-return butterfly valve that is applicable to water supply system.
Existing water supply pump station generally is to adopt supporting safety check and gate valve to stop the refluence of water, make its normal operation, problem is that flow resistance coefficient is excessive, its numerical value is generally between 2～3, cause flow of liquid energy loss when valve big, also produce water hammer soon simultaneously, make valve body, flap and network vulnerable water attack and damage because of safety check closes valve speed.
Though the hydraulic control of developing in recent years buffering non-return butterfly valve improves to some extent at aspect of performance, but still has certain problem:
1, flow resistance coefficient is still bigger than normal.
2, the hydraulic system sealability is unreliable, and particularly internal leakage causes weight too short decline cycle, influences water supply pump station and normally moves.
3, during the butterfly valve standard-sized sheet, the vibration of butterfly door is very big, and work is not steadily, parts damage easily, and energy consumption is big.
The purpose of this utility model is that manufacturing is a kind of littler than existing hydraulic control buffering non-return butterfly valve flow resistance coefficient, the hydraulic system sealability is more reliable, reduce internal leakage, vibration when eliminating the butterfly valve standard-sized sheet, operate steadily, the life-span is long and a kind of hydraulic control buffering non-return butterfly valve of less energy consumption, it can replace original safety check and gate valve, and reduces flow resistance loss and eliminate water hammer.
The utility model is made up of valve body (1), butterfly plate (2), weight (3), hydraulic system (4) and distribution box (5).
Valve body (1) is the main body of this valve, and two ends are connected in in the network of rivers by flange, and other part on the valve links by two semiaxis and valve body (1), and it also links with butterfly plate one (2) by two semiaxis.
Butterfly plate (2) is to be slim two eccentric.Hyperboloid type or truss type, this shape not only can play blocking-up and UNICOM to the effect in the network of rivers, and the nuisance vibration can eliminate the butterfly valve standard-sized sheet time, also can effectively reduce flow resistance coefficient.
Weight (3) links by a semiaxis of support arm and valve body (1), and weight is in cocked position when valve wide open, and weight mainly plays stored energy; When throttle down, the potential energy of weight will transfer initiatively moment of pass valve to.
Hydraulic system (4) is fixed on the valve body (1), and portion has replaced original two with the conical surface seal stop valve within it.Two logical guiding valves have effectively reduced internal leakage, and have adopted lever one (9) afterburning control pilot poppet valve (8) to carry out transmission, make sealing more reliable.
Distribution box (5) mainly is to have installed for the program circuit of, open and close butterfly valve and some electrical equipment, element, when opened butterfly valve, and the distribution box power supply, then hydraulic-pressure pump is to the oil cylinder fuel feeding, the solenoid valve push rod is downward, makes valve base sealing, moves downward and carries out work and pressure oil acts on main valve plug.When closing butterfly valve, then solenoid valve cuts off the power supply and quits work.
The utility model has the advantages that sealing is reliable, effectively stoped the internal leakage of hydraulic system, therefore the butterfly plate vibration reduces, stable working, consumed energy is few, and improve working life greatly, and particularly the utility model can link with feed water pump, can prevent that water hammer accident from taking place, guarantee the water supply station safety in production.
Description of drawings:
Fig. 1, be hydraulic control buffering non-return butterfly valve schematic representation.
Among the figure: (1) valve body; (2) butterfly plate; (3) weight; (4) hydraulic system; (5) distribution box.
Fig. 2 is the concrete shape of butterfly plate (2), and it is two eccentric to be thin type, bi-curved schematic representation.
Fig. 3 is the another kind of concrete shape of butterfly plate (2), also is two off-centre and the schematic representation that is truss.
In Fig. 2 and Fig. 3, Z is axially eccentric, and J is a radial disbalance.
Fig. 4 is the key component in the hydraulic system (4), the schematic representation of conical surface seal stop valve.
In Fig. 4, (6) are main valve plug; (7) be guide's valve seat; (8) be pilot poppet valve; (9) lever; (10) be the solenoid valve push rod.
When driving valve, give hydraulic jack by hydraulic pump for pressure oil, make the oil cylinder elongation, promote semiaxis and rotate firing switch. Owing to adopted lever (9) afterburning control pilot poppet valve (8) to make sealing more reliable.
The size range of optimum performance of the present utility model is that the latus rectum of butterfly valve is between 400 to 2000 millimeters.
Claims (3)
1, a kind of hydraulic control buffering non-return butterfly valve comprises valve body, butterfly plate, weight, hydraulic system and distribution box, it is characterized in that butterfly plate [2] is to adopt the two off-centre of thin type, bi-curved shape.
2, novel hydraulic-control buffering non-return butterfly valve according to claim 1 is characterized in that hydraulic system (4) is to have adopted conical surface seal formula stop valve, with the afterburning control of lever (9) pilot poppet valve (8).
3, novel hydraulic buffering non-return butterfly valve according to claim 1, the latus rectum that it is characterized in that butterfly valve is between 400～2000 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85201333 CN85201333U (en) | 1985-04-16 | 1985-04-16 | Hydraulically controlled buffering check butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85201333 CN85201333U (en) | 1985-04-16 | 1985-04-16 | Hydraulically controlled buffering check butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85201333U true CN85201333U (en) | 1986-02-26 |
Family
ID=4797432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85201333 Ceased CN85201333U (en) | 1985-04-16 | 1985-04-16 | Hydraulically controlled buffering check butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85201333U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082638C (en) * | 1997-10-10 | 2002-04-10 | 杨永祥 | Relief change-over butterfly valve |
| WO2008141545A1 (en) * | 2007-05-24 | 2008-11-27 | Liyan Zhu | A piloted middle-high pressure gate valve |
| CN101825188A (en) * | 2010-04-23 | 2010-09-08 | 青岛高远热能动力设备有限公司 | Micro-operation type valve |
| CN102278519A (en) * | 2011-05-18 | 2011-12-14 | 宁波三安制阀有限公司 | Lever type bottle valve |
-
1985
- 1985-04-16 CN CN 85201333 patent/CN85201333U/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1082638C (en) * | 1997-10-10 | 2002-04-10 | 杨永祥 | Relief change-over butterfly valve |
| WO2008141545A1 (en) * | 2007-05-24 | 2008-11-27 | Liyan Zhu | A piloted middle-high pressure gate valve |
| CN101825188A (en) * | 2010-04-23 | 2010-09-08 | 青岛高远热能动力设备有限公司 | Micro-operation type valve |
| CN102278519A (en) * | 2011-05-18 | 2011-12-14 | 宁波三安制阀有限公司 | Lever type bottle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |