CN207609806U - A kind of pressurising compensation sealing ball valve - Google Patents
A kind of pressurising compensation sealing ball valve Download PDFInfo
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- CN207609806U CN207609806U CN201721665140.6U CN201721665140U CN207609806U CN 207609806 U CN207609806 U CN 207609806U CN 201721665140 U CN201721665140 U CN 201721665140U CN 207609806 U CN207609806 U CN 207609806U
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- valve
- pressurising
- valve body
- sealing ring
- cyclic annular
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Abstract
The utility model provides a kind of pressurising compensation sealing ball valve, including valve body, the sphere in valve body and the transmission device being connect with sphere by valve rod, and valve seat is equipped between valve body both sides and sphere；Two are equipped with air bag, the first sealing ring and the second sealing ring between valve seat and valve body；First sealing ring and the second sealing ring are located at the contact position of air bag both sides valve body and sphere；Air bag is connected to the air inlet/outlet of the outer corresponding position of valve body, and air inlet/outlet is connected to pressure source and relief valve.Pressurising compensation sealing ball valve described in the utility model can reduce ball valve valve opening or close the torque during valve, be not in oscillation phenomenon, reduce the frictional force of valve seat and sphere, increase the service life of ball valve.
Description
Technical field
The utility model belongs to ball valve technical field, more particularly, to a kind of pressurising compensation sealing ball valve.
Background technology
Currently, ball valve is widely used in various pipelines, for blocking or connecting the medium in pipeline, select different
Material can be respectively suitable for conveying water, steam, oil product etc., be widely used in the fields such as long-distance transport pipes, water conservancy, electric power, municipal administration；
However some ball valve torque ratios in the prior art are heavier, some ball valves will appear vibration, also spring force in opening process
Crossing conference causes sealing surface of seat serious with ball wear, reduces service life.
Invention content
In view of this, the utility model is directed to a kind of pressurising compensation sealing ball valve, to overcome the deficiencies of existing technologies,
Ball valve valve opening can be reduced or close the torque during valve, be not in oscillation phenomenon, reduce the frictional force of valve seat and sphere,
Increase the service life of ball valve.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of pressurising compensation sealing ball valve, including valve body, the sphere in valve body and connect with sphere by valve rod
Transmission device is equipped with valve seat between valve body both sides and sphere；Two are equipped with air bag, the first sealing ring between valve seat and valve body
With the second sealing ring；First sealing ring and the second sealing ring are located at the contact position of air bag both sides valve body and sphere；Air bag with
The air inlet/outlet connection of the outer corresponding position of valve body, air inlet/outlet are connected to pressure source and relief valve.
Further, the place of the valve seat and valve body contact is step-like.
Further, valve seat includes the integrally formed first cyclic annular cylinder and the second cyclic annular cylinder；First cyclic annular cylinder and
The internal diameter of second cyclic annular cylinder is equal, and the outer diameter of the first cyclic annular cylinder is less than the outer diameter of the first cyclic annular cylinder；First cyclic annular cylinder
It is equipped with the first sealing ring and air bag with the contact position of valve body, the contact position of the second cyclic annular cylinder and valve body is equipped with the second sealing ring.
Further, the described second cyclic annular cylinder is located at valve seat close to valve body side.
Further, air bag is ring-type；The outer diameter of air bag is suitable with the second cyclic annular outer diameter of cylinder.
Further, the quantity of the second sealing ring is 2, and is spaced setting.
Further, the first sealing ring and the second sealing ring are O-ring seal or star-like sealing ring.
Further, air bag is connected to by gas-guide tube with air inlet/outlet；Air inlet/outlet is located at valve body upper end.
Further, air inlet/outlet is connected to pressure source by pipeline；On pressure source to the pipeline between air inlet/outlet according to
It is secondary to be equipped with decompression venting valve, check valve and two-bit triplet solenoid valve；The row pressure mouth of the two-bit triplet solenoid valve connects with relief valve
It is logical
Further, the pressure source is air source or hydraulic power source.Hydraulic power source namely pressure liquid source.
Compared with the existing technology, a kind of pressurising compensation sealing ball valve described in the utility model has the advantage that：
(1) increase valve seat between valve body and sphere, and increase air bag in the contact site of valve seat and valve body, gas can be passed through
The inflation and contraction of capsule, the elasticity of control valve seat and sphere cooperation, and then realize blocking and passing through for medium；
(2) torque during valve seat and sphere loose fit can reduce ball valve valve opening or close valve, and will not
There is oscillation phenomenon, reduces the frictional force of valve seat and sphere, increase the service life of ball valve；
The setting of (3) first sealing rings and the second sealing ring, it is ensured that medium will not be in direct contact with cell parts,
Avoid the performance of medium influence air bag performance.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the structural schematic diagram of the pressurising compensation sealing ball valve described in the utility model embodiment；
Fig. 2 is the enlarged drawing of the parts I in Fig. 1.
Reference sign：
1- air inlet/outlets；2- valve bodies；The second sealing rings of 3-；4- air bags；The first sealing rings of 5-；6- valve seats；61- first is cyclic annular
Cylinder；The cyclic annular cylinders of 62- second；7- spheres；8- transmission devices；10- gas-guide tubes；11- valve rods；12- pressure sources；13- relief valves；
14- decompression venting valves；15- check valves；16- two-bit triplet solenoid valves.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As depicted in figs. 1 and 2, a kind of pressurising compensation sealing ball valve, including valve body 2, the sphere 7 in valve body 2 and logical
The transmission device 8 that valve rod 11 is connect with sphere 7 is crossed, valve seat 6 is equipped between 2 both sides of valve body and sphere 7；Two valve seats 6 and valve
Air bag 4, the first sealing ring 5 and the second sealing ring 3 are equipped between body 2；First sealing ring 5 and the second sealing ring 3 are located at
The contact position of air bag 4 both sides valve body 2 and sphere 7；Air bag 4 is connected to the air inlet/outlet 1 of 2 outer corresponding position of valve body, air inlet/outlet 1
It is connected to pressure source 12 and relief valve 13.
The place that the valve seat 6 is contacted with valve body 2 is step-like.
Valve seat 6 includes 61 and second cyclic annular cylinder 62 of the integrally formed first cyclic annular cylinder；First cyclic annular cylinder 61 and the
The internal diameter of two cyclic annular cylinders 62 is equal, and the outer diameter of the first cyclic annular cylinder 61 is less than the outer diameter of the first cyclic annular cylinder 61；First is cyclic annular
The contact position of cylinder 61 and valve body 2 is equipped with the first sealing ring 5 and air bag 4, and the second cyclic annular cylinder 62 and the contact position of valve body 2 are equipped with
Second sealing ring 3.
Described second cyclic annular cylinder 62 is located at valve seat 6 close to 2 side of valve body.
Air bag 4 is ring-type；The outer diameter of air bag 4 is suitable with the outer diameter of the second cyclic annular cylinder 62.
The quantity of second sealing ring 3 is 2, and is spaced setting.
First sealing ring 5 and the second sealing ring 3 are O-ring seal.
Air bag 4 is connected to by gas-guide tube 10 with air inlet/outlet 1；Air inlet/outlet 1 is located at 2 upper end of valve body.
Air inlet/outlet 1 is connected to pressure source 12 by pipeline；It is set successively on pressure source 12 to the pipeline between air inlet/outlet 1
There are decompression venting valve 14, check valve 15 and two-bit triplet solenoid valve 16；The row pressure mouth of the two-bit triplet solenoid valve 16 and pressure release
Valve 13 is connected to
The pressure source 12 is air source.
The course of work of the present embodiment is：
Ball valve is in rotary closing：It being rotated with ovable valve stem 11 by transmission device 8, valve rod 11 drives sphere 7 to rotate again, then
Simultaneously to 4 inner inflating pressure of air bag, air bag 4 expands micro promotion valve seat 6 and increases pretightning force both sides air inlet/outlet 1, is situated between to block
Matter.
Ball valve is when rotarily opening：4 pressure of both sides air bag, which is first shed, from air inlet/outlet 1 sheds preload of the valve seat 6 to sphere 7
Power, then rotated with ovable valve stem 11 by transmission device 8, valve rod 11 drives sphere 7 to rotate again, passes through by medium to open ball valve.
In ball valve when being turned on and off：1. being expanded by air bag 4 gives valve seat 6 one power, valve seat 6 and sphere 7 is allowed to combine
Closer (realizing that metal touches the hard sealing of metal), have the first sealing ring 5 and the second sealing ring 3 on valve seat 6, allow medium will not
It is in direct contact with 4 part of air bag；2. shrinking the power that venting applies valve seat 6 by air bag 4, valve seat 6 and sphere 7 is allowed to coordinate very
Pine, or even have small gap, there are the first sealing ring 5 and the second sealing ring 3 on valve seat 6, medium will not be had with 4 part of air bag
It is in direct contact；Torque during valve seat 6 and 7 loose fit of sphere can reduce ball valve valve opening or close valve, not
It will appear oscillation phenomenon, reduce the frictional force of valve seat 6 and sphere 7, increase the service life of ball valve.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of pressurising compensation sealing ball valve, including valve body (2), the sphere (7) that is located in valve body (2) and by valve rod (11) with
The transmission device (8) of sphere (7) connection, it is characterised in that：
Valve seat (6) is equipped between valve body (2) both sides and sphere (7)；It is equipped with air bag between two valve seats (6) and valve body (2)
(4), the first sealing ring (5) and the second sealing ring (3)；First sealing ring (5) and the second sealing ring (3) are located at air bag (4)
The contact position of both sides valve body (2) and sphere (7)；Air bag (4) is connected to the air inlet/outlet (1) of valve body (2) outer corresponding position, disengaging
Gas port (1) is connected to pressure source (12) and relief valve (13).
2. pressurising compensation sealing ball valve according to claim 1, it is characterised in that：The valve seat (6) contacts with valve body (2)
Place be it is step-like.
3. pressurising compensation sealing ball valve according to claim 2, it is characterised in that：Valve seat (6) includes integrally formed
One cyclic annular cylinder (61) and the second cyclic annular cylinder (62)；The internal diameter phase of first cyclic annular cylinder (61) and the second cyclic annular cylinder (62)
Deng the outer diameter of the first cyclic annular cylinder (61) is less than the outer diameter of the first cyclic annular cylinder (61)；First cyclic annular cylinder (61) and valve body (2)
Contact position be equipped with the first sealing ring (5) and air bag (4), the contact position of the second cyclic annular cylinder (62) and valve body (2) is equipped with second
Sealing ring (3).
4. pressurising compensation sealing ball valve according to claim 3, it is characterised in that：Described second cyclic annular cylinder (62) is located at
Valve seat (6) is close to valve body (2) side.
5. pressurising compensation sealing ball valve according to claim 3, it is characterised in that：Air bag (4) is ring-type；Air bag (4)
Outer diameter is suitable with the second cyclic annular outer diameter of cylinder (62).
6. pressurising compensation sealing ball valve according to claim 3, it is characterised in that：The quantity of second sealing ring (3) is 2
It is a, and it is spaced setting.
7. pressurising compensation sealing ball valve according to claim 1, it is characterised in that：First sealing ring (5) and the second sealing
It is O-ring seal or star-like sealing ring to enclose (3).
8. pressurising compensation sealing ball valve according to claim 1, it is characterised in that：Air bag (4) by gas-guide tube (10) with
Air inlet/outlet (1) is connected to；Air inlet/outlet (1) is located at valve body (2) upper end.
9. pressurising compensation sealing ball valve according to claim 1, it is characterised in that：Air inlet/outlet (1) and pressure source (12)
It is connected to by pipeline；Decompression venting valve (14), check valve are equipped on pressure source (12) to the pipeline between air inlet/outlet (1) successively
(15) and two-bit triplet solenoid valve (16)；The row pressure mouth of the two-bit triplet solenoid valve (16) is connected to relief valve (13).
10. the pressurising compensation sealing ball valve according to claim 1 or 9, it is characterised in that：The pressure source (12) is air source
Or hydraulic power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665140.6U CN207609806U (en) | 2017-12-05 | 2017-12-05 | A kind of pressurising compensation sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721665140.6U CN207609806U (en) | 2017-12-05 | 2017-12-05 | A kind of pressurising compensation sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207609806U true CN207609806U (en) | 2018-07-13 |
Family
ID=62796377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721665140.6U Active CN207609806U (en) | 2017-12-05 | 2017-12-05 | A kind of pressurising compensation sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207609806U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404557A (en) * | 2018-12-20 | 2019-03-01 | 启东市冶金机械有限公司 | Flexible sealing pulverized coal spraying ball valve |
| CN110686091A (en) * | 2019-08-21 | 2020-01-14 | 宁波日安精工机械有限公司 | Pneumatic solenoid valve spool for industrial braking equipment |
| CN111623137A (en) * | 2020-06-11 | 2020-09-04 | 精工阀门有限公司 | Quick-release sealing ball valve |
| CN113357396A (en) * | 2021-07-05 | 2021-09-07 | 湖南杉杉能源科技有限公司 | Inflatable ball valve convenient to dismantle installation |
-
2017
- 2017-12-05 CN CN201721665140.6U patent/CN207609806U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404557A (en) * | 2018-12-20 | 2019-03-01 | 启东市冶金机械有限公司 | Flexible sealing pulverized coal spraying ball valve |
| CN110686091A (en) * | 2019-08-21 | 2020-01-14 | 宁波日安精工机械有限公司 | Pneumatic solenoid valve spool for industrial braking equipment |
| CN111623137A (en) * | 2020-06-11 | 2020-09-04 | 精工阀门有限公司 | Quick-release sealing ball valve |
| CN113357396A (en) * | 2021-07-05 | 2021-09-07 | 湖南杉杉能源科技有限公司 | Inflatable ball valve convenient to dismantle installation |
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| GR01 | Patent grant |