CN209278561U - One kind is slow to open the double hammer check-valves of Slow Close - Google Patents
One kind is slow to open the double hammer check-valves of Slow Close Download PDFInfo
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- CN209278561U CN209278561U CN201920005333.1U CN201920005333U CN209278561U CN 209278561 U CN209278561 U CN 209278561U CN 201920005333 U CN201920005333 U CN 201920005333U CN 209278561 U CN209278561 U CN 209278561U
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- cylinder
- valve
- slow
- piston
- rod
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Abstract
One kind is slow to open the double hammer check-valves of Slow Close, including valve body, valve seat, flap, rocker arm, valve rod, movement weight rod, weight, cylinder bracket, cushion cylinder, the valve inner is provided with valve seat, flap is installed on valve seat, there is rocker arm on the right side of flap, valve rod both ends are equipped with movement weight rod, movement weight rod end is equipped with weight, the side installation oil cylinder bracket of valve body, cylinder bracket is equipped with cushion cylinder, cushion cylinder is by piston rod, oil cylinder gland, piston, upper piston cylinder, lower piston cylinder, conduit, needle-valve composition, piston rod upper end is connect with movement weight rod, piston-rod lower end is provided with piston, cushion cylinder is separated into upper piston cylinder and lower piston cylinder by piston, upper piston cylinder is connect by conduit with needle-valve with lower piston cylinder.Advantage is: it realizes that valve is slow and opens slow closure function, prevent pipe vibration caused by larger impact of water hammer and noise, while structure is simple, it is easy for installation.
Description
Technical field
Slow Close Valve is opened the utility model relates to one kind is slow, more particularly to a kind of slow opens the double hammer check-valves of Slow Close.
Background technique
It is less in the valve of pipeline fluid impact and water hammer control field on domestic market.Common product has micro- resistance
Slow Close Valve, butterfly Tiny Drag Slow Shut Check Valves.Such product is made of main valve and hydraulic cylinder, mostly uses built-in hydraulic
Cylinder is easy sand holes, stomata and cold shut in casting process, is easy to produce during simultaneous processing so that structure is complicated changes for main valve type body
In raw the case where leakage, scrappage is high；The effect of such product is single, only adapts to slow closure function, while slow closure function is poor to prevent
Only pipe vibration and noise caused by larger impact of water hammer；Product needs professional to debug in first dress to be used,
It is too fast or can not close to be easy to appear closing velocity for the more difficult assurance of Slow Close speed.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provide it is a kind of it is slow open the double hammer check-valves of Slow Close,
Including valve body, valve deck, valve seat, flap, rocker arm, valve rod, movement weight rod, weight, cylinder bracket, cushion cylinder.
The utility model solves technical solution used by prior art problem: being fixedly installed with valve above the valve body
Lid, valve deck are in arcuation, are provided with valve seat on the left of the valve inner, flap is fixedly installed on valve seat, and flap is disc structure,
Rocker arm is fixedly installed on the right side of flap, rocker arm is fixedly mounted in valve body inner left wall by valve rod, valve rod and medium
Flow direction is perpendicular, and medium flow field is fashionable when having in valve body, and the impact of medium drives flap and rocker arm can under the action of valve rod
It rotates by a certain angle, flap pushed away from valve seat at this time, and valve is in the open state, and the valve rod both ends, which extend outwardly, penetrates valve body
Two sides, valve rod both ends are fixedly installed with movement weight rod, and movement weight rod end is equipped with weight.
Further, the side installation oil cylinder bracket of the valve body, cylinder bracket are bolted in side of valve body,
Cylinder bracket is equipped with cushion cylinder, and cushion cylinder is used to prevent flap from opening too fast and valve body to generate shock, works as media impingement
Power can also install cushion cylinder simultaneously in valve body two sides when larger, the cushion cylinder by piston rod, oil cylinder gland, piston, on
Piston cylinder, lower piston cylinder, conduit, needle-valve composition, the piston rod are located at the center of cushion cylinder, and piston rod upper end passes through buffering
Oil cylinder gland at the top of oil cylinder is fixedly connected with movement weight rod, and the top and top of the cushion cylinder are provided with oil cylinder gland,
Oil cylinder gland is used to seal cushion cylinder, and the piston-rod lower end is provided with piston, and cushion cylinder is separated into upper piston by piston
Cylinder and lower piston cylinder, upper piston cylinder and lower piston cylinder are interior to be full of hydraulic oil, and upper piston cylinder and lower piston cylinder pass through conduit and needle
The right side upper end of cushion cylinder is arranged in valve connection, the conduit, and tube at one end is connected to upper piston cylinder, and the needle-valve setting exists
Lower end on the right side of cushion cylinder, needle-valve are connected to lower piston cylinder, and the conduit other end is connected with needle-valve, when medium forward flow,
Controlling running of hydraulic power oil speed in upper piston cylinder and lower piston cylinder by the open and close of needle-valve can control flap to open and close speed.
Compared with prior art, the utility model has the beneficial effects that realizing that valve is slow opens slow closure function, prevent compared with flood
Pipe vibration and noise caused by hammering blow, while structure is simple, it is easy for installation.
Detailed description of the invention
Fig. 1 is the cross-sectional view of valve body in the utility model；
Fig. 2 is the schematic side view of the utility model；
Fig. 3 is the schematic top plan view of the utility model；
Fig. 4 is the structural schematic diagram of cushion cylinder in the utility model；
In figure, 1. valve bodies, 2. valve decks, 3. valve seats, 4. flaps, 5. rocker arms, 6. valve rods, 7. movement weight rods, 8. weights, 9. oil cylinders
Bracket, 10. cushion cylinders, 101. piston rods, 102. oil cylinder glands, 103. pistons, 104. upper piston cylinders, 105. lower piston cylinders,
106. conduit, 107. needle-valves.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing and embodiment, as shown in fig. 1, Yi Zhonghuan
Open the double hammer check-valves of Slow Close, including valve body 1, valve deck 2, valve seat 3, flap 4, Rocker arm 5, valve rod 6, movement weight rod 7, weight 8, oil
Jar support 9, cushion cylinder 10, valve deck 2 is fixedly installed with above the valve body 1, and valve deck 2 is in arcuation, 1 inside left of valve body
It is provided with valve seat 3, flap 4 is fixedly installed on valve seat 3, flap 4 is disc structure, is fixedly installed on the right side of flap 4
Rocker arm 5, Rocker arm 5 are fixedly mounted in 1 inner left wall of valve body by valve rod 6, and the valve rod 6 is pin shaft structure, valve rod 6 and medium
Flow direction is perpendicular, and medium flow field is fashionable when having in valve body 1, and the impact of medium drives flap 4 and Rocker arm 5 in the effect of valve rod 6
Under rotatable certain angle, flap 4 pushed away from valve seat 3 at this time, and valve is in the open state, and 6 both ends of valve rod extend outwardly
1 two sides of valve body are penetrated, 6 both ends of valve rod are fixedly installed with movement weight rod 7, and movement weight rod end is equipped with weight 8.
Further, the side installation oil cylinder bracket 9 of the valve body 1, the straightforward face of cylinder bracket 9 are L shape, oil cylinder branch
Frame 9 is bolted on 1 side of valve body, and cylinder bracket 9 is equipped with cushion cylinder 10, and cushion cylinder is used to prevent flap from opening
It opens too fast generate with valve body to hit, cushion cylinder 10 can also be installed simultaneously in valve body two sides when media impingement power is larger, it is described
Cushion cylinder 10 is by piston rod 101, oil cylinder gland 102, piston 103, upper piston cylinder 104, lower piston cylinder 105, conduit 106, needle
Valve 107 forms, and the piston rod 101 is located at the center of cushion cylinder 10, and 101 upper end of piston rod passes through 10 top of cushion cylinder
Oil cylinder gland 102 is fixedly connected with movement weight rod 7, and the top and top of the cushion cylinder 10 are provided with oil cylinder gland 102, oil
Cylinder gland 102 is used to seal cushion cylinder 10, and 101 lower end of piston rod is provided with piston 103, and piston 103 is by cushion cylinder
10 are separated into upper piston cylinder 104 and lower piston cylinder 105, and upper piston cylinder 104 and lower piston cylinder are interior full of hydraulic oil, upper piston cylinder
104 are connect by conduit 106 with needle-valve 107 with lower piston cylinder 105, and the conduit 106 is arranged on the right side of cushion cylinder 10
End, 106 one end of conduit be connected to upper piston cylinder 104, and the needle-valve 107 is arranged in 10 right side lower end of cushion cylinder, needle-valve 107 and
Lower piston cylinder 105 is connected to, and 106 other end of conduit is connected with needle-valve 107, when medium forward flow, passes through opening for needle-valve 107
It opens and can control flap 4 to open and close speed with running of hydraulic power oil speed in closing control upper piston cylinder 104 and lower piston cylinder 105.
Working principle: when medium forward flow in pipeline, acting on by inlet pressure, makes flap 4 in Rocker arm 5 and valve rod
It being rotarily opened under the action of 6, medium passes through, and flap 4 drives movement weight rod 7 and weight 8 to rotate by Rocker arm 5 and valve rod 6 at this time, and
Movement weight rod 7 is connect with the piston rod 101 of cushion cylinder 10, and the damping action that hydraulic oil generates in cushion cylinder 10 is kept away
Exempt from flap 4 and opens the generation shock of too fast and valve body 1.
When medium stops flowing or adverse current, flap 4 makes flap 4 by self weight, the effect of the auxiliary of weight 8 and adverse current
To closing direction fall after rise, at this time due to cushion cylinder 10 under the action of so that flap 4 becomes slow to the speed that closing direction is fallen after rise
Slowly, extend the time that flap is closed, after closed position is fully achieved in flap 4, weight 8, which can play, increases the auxiliary of close moment
Sealing function is helped, guarantees sealing effect of the flap 4 after medium stops flowing or adverse current.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (8)
1. one kind is slow to open the double hammer check-valves of Slow Close, including valve body, valve deck, valve seat, flap, rocker arm, valve rod, movement weight rod, weight,
Cylinder bracket, cushion cylinder, the valve body top are fixedly installed with valve deck, are provided with valve seat, valve seat on the left of the valve inner
On be fixedly installed with flap, be fixedly installed with rocker arm on the right side of flap, rocker arm is fixedly mounted on the left of valve body by valve rod
On inner wall, the valve rod both ends, which extend outwardly, penetrates valve body two sides, and valve rod both ends are fixedly installed with movement weight rod, and movement weight rod end is set
There is weight, it is characterised in that: the side installation oil cylinder bracket of the valve body, cylinder bracket are equipped with cushion cylinder.
2. one kind according to claim 1 is slow to open the double hammer check-valves of Slow Close, it is characterised in that: the cylinder bracket is logical
Bolt is crossed to be fixed in side of valve body.
A kind of slow open the double hammer check-valves of Slow Close 3. according to claim 1, it is characterised in that: the cushion cylinder by
Piston rod, oil cylinder gland, piston, upper piston cylinder, lower piston cylinder, conduit, needle-valve composition.
4. one kind according to claim 3 is slow to open the double hammer check-valves of Slow Close, it is characterised in that: the piston rod is located at
The center of cushion cylinder, the oil cylinder gland that piston rod upper end passes through at the top of cushion cylinder are fixedly connected with movement weight rod.
5. one kind according to claim 3 is slow to open the double hammer check-valves of Slow Close, it is characterised in that: the cushion cylinder
Top and top are provided with oil cylinder gland.
6. one kind according to claim 3 is slow to open the double hammer check-valves of Slow Close, it is characterised in that: the piston-rod lower end
Be provided with piston, cushion cylinder is separated into upper piston cylinder and lower piston cylinder by piston, upper piston cylinder and lower piston cylinder in be full of
Hydraulic oil, upper piston cylinder are connect by conduit with needle-valve with lower piston cylinder.
7. one kind according to claim 3 is slow to open the double hammer check-valves of Slow Close, it is characterised in that: the conduit setting exists
The right side upper end of cushion cylinder, tube at one end are connected to upper piston cylinder.
8. one kind according to claim 3 is slow to open the double hammer check-valves of Slow Close, it is characterised in that: the needle-valve setting exists
Lower end on the right side of cushion cylinder, needle-valve are connected to lower piston cylinder, and the conduit other end is connected with needle-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920005333.1U CN209278561U (en) | 2019-01-03 | 2019-01-03 | One kind is slow to open the double hammer check-valves of Slow Close |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920005333.1U CN209278561U (en) | 2019-01-03 | 2019-01-03 | One kind is slow to open the double hammer check-valves of Slow Close |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278561U true CN209278561U (en) | 2019-08-20 |
Family
ID=67608622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920005333.1U Expired - Fee Related CN209278561U (en) | 2019-01-03 | 2019-01-03 | One kind is slow to open the double hammer check-valves of Slow Close |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278561U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173968A (en) * | 2020-02-04 | 2020-05-19 | 宁波真格液压科技有限公司 | Check valve |
| CN112361038A (en) * | 2020-11-26 | 2021-02-12 | 天津卡尔斯阀门股份有限公司 | Check valve |
| CN113446419A (en) * | 2021-06-28 | 2021-09-28 | 中阀科技(长沙)阀门有限公司 | Axial-flow slow-closing check valve |
| CN113513617A (en) * | 2021-05-17 | 2021-10-19 | 江苏盾安环控系统有限公司 | Damping check valve for ventilation system of nuclear power station |
-
2019
- 2019-01-03 CN CN201920005333.1U patent/CN209278561U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173968A (en) * | 2020-02-04 | 2020-05-19 | 宁波真格液压科技有限公司 | Check valve |
| CN112361038A (en) * | 2020-11-26 | 2021-02-12 | 天津卡尔斯阀门股份有限公司 | Check valve |
| CN113513617A (en) * | 2021-05-17 | 2021-10-19 | 江苏盾安环控系统有限公司 | Damping check valve for ventilation system of nuclear power station |
| CN113446419A (en) * | 2021-06-28 | 2021-09-28 | 中阀科技(长沙)阀门有限公司 | Axial-flow slow-closing check valve |
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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 |
Granted publication date: 20190820 Termination date: 20220103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |