CN209084018U - A kind of double eccentric butterfly valve stuck for anti-particle - Google Patents
A kind of double eccentric butterfly valve stuck for anti-particle Download PDFInfo
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- CN209084018U CN209084018U CN201821439027.0U CN201821439027U CN209084018U CN 209084018 U CN209084018 U CN 209084018U CN 201821439027 U CN201821439027 U CN 201821439027U CN 209084018 U CN209084018 U CN 209084018U
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- valve
- butterfly
- valve body
- gland
- particle
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Abstract
The utility model relates to a kind of double eccentric butterfly valves stuck for anti-particle, in particular to butterfly valve apparatus field.The utility model includes valve body, valve seat, butterfly plate, valve rod, valve seat, butterfly plate and valve rod are cooperated by pin to be fixed, valve rod runs through valve body up and down, axle sleeve is installed on valve rod, the side of axle sleeve is equipped with filler group, the other side of filler group is real by gland lid, and the upper and lower ends of valve body are equipped with filler group and gland.The utility model overcomes butterfly valve in the prior art and be easy to cause bottom squeeze particle during transporting chemical medium, is not available if solving the disadvantage that will lead to the valve switch torque equipment that becomes larger not in time.Filler group and gland is all arranged by the upper and lower ends in valve in the utility model, gland is spun on valve body using bolt, the medium in Jie's flow tube road is set not leak outside, to which whole eliminates particle in the space of butterfly valve valve chamber Inner extrusion, have the function that prevent particle stuck, guarantees that the safety of production carries out.
Description
Technical field
The utility model relates to butterfly valve apparatus field, in particular to a kind of double eccentric butterfly valve stuck for anti-particle.
Background technique
Butterfly valve is called flap valve, is mainly made of valve body, valve rod, butterfly valve, butterfly plate and sealing ring.Butterfly valve can be used for controlling sky
The flowing of the various types fluids such as gas and water, steam, various corrosive medias, mud, oil product, liquid metal and radiating medium.
Mainly play cutting and throttling on pipeline, butterfly valve opening and closing element is a discoidal butterfly plate, around its own in valve body
Axis rotation, to achieve the purpose that opening and closing and adjusting.On existing market existing butterfly valve using single actuator open or
Person closes, and usually uses single head filler group sealing structure, this structure will lead to the space that overstocked particle is arranged at bottom, when particle reaches
To after certain quantity, result in entire valve switch torque and become larger, even result in valve can not rotate it is stuck so that valve or
Whole equipment is not available.
Utility model content
(1) technical problems to be solved
The utility model overcomes butterfly valve in the prior art and be easy to cause bottom squeeze during transporting chemical medium
Grain is not available if solving the disadvantage that will lead to the valve switch torque equipment that becomes larger not in time.The utility model is in order to solve this
Technical problem provides a kind of double eccentric butterfly valve stuck for anti-particle.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides such a double eccentric butterflies stuck for anti-particle
Valve, including valve body, valve seat, butterfly plate, valve rod, the valve rod run through the valve body up and down, set between the butterfly plate and the valve body
There is retaining ring, the valve rod and the valve body contact part are equipped with axle sleeve, the axle sleeve side and retaining ring cooperation contact, institute
The other side for stating axle sleeve is equipped with Packing seat, and the Packing seat is connected with filler group, and the other side of the filler group passes through filler pressure
Lid lid is real, and the gland is bolted on the valve body, and the upper and lower ends of the valve body are equipped with the filler
Group and the gland；
The inner wall of the valve body, which is equipped with, is fixed with pressing ring with the matched valve seat of the butterfly plate, the valve seat outside,
The valve rod is mounted in the butterfly plate, and the butterfly plate and the valve rod are fixed by pin.
Preferably, the valve rod both ends are connected with valve actuator respectively.
Preferably, the valve rod is fixed by two pins and the butterfly plate, two pins and the butterfly plate
It is fixed by welding manner.
Preferably, the retaining ring is equipped with two pieces, is separately positioned on the top and bottom of the butterfly plate.
Preferably, the spring for preventing the pressing ring pop-up is additionally provided between the pressing ring and the valve body.
(3) beneficial effect
The utility model overcomes butterfly valve in the prior art and be easy to cause bottom squeeze during transporting chemical medium
Grain is not available if solving the disadvantage that will lead to the valve switch torque equipment that becomes larger not in time.Referring now to the prior art, this is practical
The novel upper and lower ends in valve body are respectively provided with one group of filler group and gland, gland are bolted on valve body,
The space that this configuration eliminates chemical pipeline particles to overstock inside butterfly valve valve chamber, reaches pipeline medium and does not leak outside, and guarantees butterfly
Valve will not cause valve torque excessive or stuck phenomenon because particle squeezes, and reduce chemical pipeline equipment on the whole
Failure rate ensure that the equipment safety operation of production and construction.In addition, the utility model is designed to double eccentric butterfly valve, valve rod axle center
Both deviate butterfly plate center, also offset from valve body center.After the effect of double bias makes valve opening, butterfly plate can immediately be detached from valve seat, big
Eliminate to amplitude butterfly plate and valve seat unnecessary excessive compression, scrape phenomenon, alleviate unlatching resistance away from, reduce abrasion,
Improve longer seat life.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model double eccentric butterfly valve stuck for anti-particle；
Fig. 2 is the external structure schematic diagram of Fig. 1.
Appended drawing reference are as follows: 1- valve body, 2- pressing ring, 3- valve seat, 4- butterfly plate, 5- valve rod, 6- axle sleeve, 7- filler group, 8- filler
Gland, 9- pin, 10- bolt, 11- retaining ring, 12- Packing seat, 13- spring.
Specific embodiment
The utility model is further described in conjunction with the accompanying drawings and embodiments.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
As shown in Figs. 1-2, a kind of double eccentric butterfly valve stuck for anti-particle described in the utility model, including valve body 1,
Valve seat 3, butterfly plate 4, valve rod 5, about 5 valve rod run through the valve body 1, and retaining ring is equipped between the butterfly plate 4 and the valve body 1
11, the valve rod 5 and 1 contact portion of the valve body are equipped with axle sleeve 6,6 side of axle sleeve and the cooperation contact of the retaining ring 11,
The other side of the axle sleeve 6 is equipped with Packing seat 12, and the Packing seat 12 is connected with filler group 7, and the other side of the filler group 7 is logical
It crosses gland 8 and covers reality, the gland 8 is fixed on the valve body 1 by bolt 10, the upper and lower ends of the valve body 1
It is equipped with the filler group 7 and the gland 8；
The inner wall of the valve body 1 be equipped with the matched valve seat 3 of the butterfly plate 4, be fixed with pressure on the outside of the valve seat 3
Circle 2, the valve rod 5 is mounted in the butterfly plate 4, and the butterfly plate 4 and the valve rod 5 are fixed by pin 9.
In order to effectively improve the anti-jamming effect of double eccentric butterfly valve, the utility model further includes 5 both ends of valve rod
It is connected respectively with valve actuator；The valve rod 5 is linked by two pins 9 and the butterfly plate 4, described in two
Pin 9 and the butterfly plate 4 are fixed by welding manner, can prevent valve rod 5 from blowing out valve inner by 9 fixation of pin；The gear
Circle 11 is equipped with two pieces, is separately positioned on the top and bottom of the butterfly plate 4；It is additionally provided between the pressing ring 2 and the valve body 1
Spring 13 for preventing the pressing ring 2 from popping up.
Wherein, the filler group 7 in the utility model belongs to the sealing element between valve rod 5 and valve body 1, and the utility model is as schemed
1 assembles, and sets valve actuator (not drawing in figure) on the both ends of valve rod 5, can also be only in a peace of valve rod 5
Valve actuator is filled, the utility model is equipped with filler group 7 and gland 8 in the upper and lower side of valve body 1, then will by bolt 10
Gland 8 and valve body 1 are tightened, so that the medium in 1 pipeline of valve body does not leak outside, the combination purpose of filler group 7 and gland 8
It can achieve the problem of preventing medium fluid from entering inside the guide sleeve of valve body 1, the torque of valve rod 5 is caused to become larger, can not rotate.
Embodiment described above is only expressed to the preferred embodiments of the present invention, and description is more specific and detailed
Carefully, but the utility model is not limited only to these embodiments, it is noted that for those of ordinary skill in the art.
Under the premise of without departing from the utility model aims, carried out by any improvement all fall within the protection scope of the utility model.
Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (5)
1. a kind of double eccentric butterfly valve stuck for anti-particle, including valve body (1), valve seat (3), butterfly plate (4), valve rod (5), special
Sign is: the valve rod (5) runs through the valve body (1) up and down, and retaining ring is equipped between the butterfly plate (4) and the valve body (1)
(11), the valve rod (5) and the valve body (1) contact portion are equipped with axle sleeve (6), axle sleeve (6) side and the retaining ring
(11) other side of cooperation contact, the axle sleeve (6) is equipped with Packing seat (12), and the Packing seat (12) is connected with filler group (7),
The other side of the filler group (7) is real by gland (8) lid, and the gland (8) is fixed on institute by bolt (10)
It states on valve body (1), the upper and lower ends of the valve body (1) are equipped with the filler group (7) and the gland (8)；
The inner wall of the valve body (1) is equipped with to be fixed with the matched valve seat (3) of the butterfly plate (4), valve seat (3) outside
Have pressing ring (2), the valve rod (5) is mounted in the butterfly plate (4), and the butterfly plate (4) and the valve rod (5) are solid by pin (9)
It is fixed.
2. a kind of double eccentric butterfly valve stuck for anti-particle according to claim 1, it is characterised in that: the valve rod
(5) both ends are connected with valve actuator respectively.
3. a kind of double eccentric butterfly valve stuck for anti-particle according to claim 1 or 2, it is characterised in that: described
Valve rod (5) is fixed by two pins (9) and the butterfly plate (4), and two pins (9) and the butterfly plate (4) pass through weldering
The mode of connecing is fixed.
4. a kind of double eccentric butterfly valve stuck for anti-particle according to claim 1, it is characterised in that: the retaining ring
(11) two pieces are equipped with, the top and bottom of the butterfly plate (4) are separately positioned on.
5. a kind of double eccentric butterfly valve stuck for anti-particle according to claim 1, it is characterised in that: the pressing ring
(2) spring (13) for preventing the pressing ring (2) from popping up is additionally provided between the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439027.0U CN209084018U (en) | 2018-09-04 | 2018-09-04 | A kind of double eccentric butterfly valve stuck for anti-particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439027.0U CN209084018U (en) | 2018-09-04 | 2018-09-04 | A kind of double eccentric butterfly valve stuck for anti-particle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209084018U true CN209084018U (en) | 2019-07-09 |
Family
ID=67115772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821439027.0U Active CN209084018U (en) | 2018-09-04 | 2018-09-04 | A kind of double eccentric butterfly valve stuck for anti-particle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209084018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339526A (en) * | 2021-06-08 | 2021-09-03 | 法比亚阀门工业(苏州)有限公司 | High-temperature-resistant low-leakage special butterfly valve for environment-friendly exhaust system |
-
2018
- 2018-09-04 CN CN201821439027.0U patent/CN209084018U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339526A (en) * | 2021-06-08 | 2021-09-03 | 法比亚阀门工业(苏州)有限公司 | High-temperature-resistant low-leakage special butterfly valve for environment-friendly exhaust system |
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