CN207454819U - A kind of ball valve sealing component and ball valve - Google Patents
A kind of ball valve sealing component and ball valve Download PDFInfo
- Publication number
- CN207454819U CN207454819U CN201721557319.XU CN201721557319U CN207454819U CN 207454819 U CN207454819 U CN 207454819U CN 201721557319 U CN201721557319 U CN 201721557319U CN 207454819 U CN207454819 U CN 207454819U
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- Prior art keywords
- valve seat
- valve
- slot
- ball
- pressure ring
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Abstract
The utility model discloses a kind of ball valve sealing component and ball valves, belong to valve technology field.Ball valve sealing component includes：Valve seat insert, valve seat and pressure ring；Valve seat insert includes setting the valve seat slot of valve seat and the pressure ring slot for setting pressure ring, in mating surface that is that valve seat slot and pressure ring slot may be contained within valve seat insert and coordinating with ball for ball valve and pressure ring slot is set close to valve seat slot so that the pressure ring being arranged in pressure ring slot and the valve seat being arranged in valve seat slot are in close contact；Valve seat insert further includes multiple pressure compensation openings positioned at valve seat insert circumferencial direction, and pressure compensation opening is arranged at the periphery of valve seat slot and pressure compensation opening is connected with valve seat slot.The utility model overcomes the defects of traditional technology, makes to remain pressure balance with outside in valve seat slot, thoroughly solves valve seat and be extruded or damage phenomenon in the moment of valve opening.
Description
Technical field
The utility model is related to valve technology fields, and in particular to a kind of ball valve sealing component and ball valve.
Background technology
The quality of ball valve sealing performance, which is depended primarily upon between ball body of valve and valve seat, to be sealed to realize, ball traditional at present
Valve base sealing device is made of parts such as valve body, valve seat insert, spheres.Valve seat insert is assemblied on valve body, with sphere
Contact forms sealing.This structural design scheme, when the moment of valve opening, valve cavity pressure is very big, quickly discharges pressure
Onto valve seat insert, discharging pressure therewith will be transferred in valve seat slot quickly, and larger pressure is born in entire valve seat slot, by
It cannot be discharged in the pressure of valve seat slot, under the effect of the pressure, the valve seat in valve seat slot is easy to squeeze out from valve seat slot, quilt
Valve seat groove edge or medium scratch valve seat, and valve seat is made to deform or be damaged, and lose sealing so as to cause valve seat and sphere, generate
Dielectric leakage causes energy waste and environmental pollution；Even there is valve seat to be stuck, valve cannot be turned on and off, and influence to be situated between
Quality conveys.
Utility model content
It is close to solve existing ball seat the purpose of this utility model is to provide a kind of ball valve sealing component and ball valve
Seal apparatus is not suitable for the crunch of valve opening abrupt release and causes valve seat by the extrusion out of valve seat slot or damaged, influence
The problem of ball valve sealing effect.
The technical solution that the utility model solves above-mentioned technical problem is as follows：
A kind of ball valve sealing component, including：Valve seat insert, valve seat and pressure ring；Valve seat insert includes setting valve
The valve seat slot and pressure ring slot for setting pressure ring of seat, valve seat slot and pressure ring slot may be contained within valve seat insert and and ball valve
In the mating surface of sphere cooperation and pressure ring slot is set close to valve seat slot so that the pressure ring being arranged in pressure ring slot is with being arranged at valve
Valve seat in seat slot is in close contact；Valve seat insert further includes multiple pressure compensation openings positioned at valve seat insert circumferencial direction,
Pressure compensation opening is arranged at the periphery of valve seat slot and pressure compensation opening is connected with valve seat slot.
Further, in the utility model preferred embodiment, above-mentioned valve seat insert further includes removal hole, removal hole
It is arranged at the periphery of pressure ring slot and removal hole is connected with pressure ring slot.
Further, in the utility model preferred embodiment, the center line and valve base sealing of above-mentioned pressure compensation opening
The central axis of the through hole of circle, and the geometric center point line of multiple pressure compensation openings and the center line of valve seat slot are coplanar.
Further, in the utility model preferred embodiment, multiple pressure compensation openings are divided into two groups, and two groups of pressure are put down
Weighing apparatus hole is symmetricly set on the both sides of valve seat insert, and the quantity of every group of pressure compensation opening is 5.
Further, in the utility model preferred embodiment, the section of above-mentioned valve seat is triangular in shape, valve seat slot be with
The triangular groove of valve seat cooperation.
Further, in the utility model preferred embodiment, above-mentioned valve seat insert is in T shape, valve seat insert
Auxiliary section and cylinder connecting portion, auxiliary section including being in truncated cone-shaped are connected with connecting portion, the outside diameter of auxiliary section
More than the outside diameter of connecting portion, the sphere cooperation of auxiliary section and ball valve, the valve body connection of connecting portion and ball valve.
A kind of ball valve is installed on the top of valve body including valve body, valve deck, sphere and above-mentioned ball valve sealing component, valve deck,
Sphere is arranged in valve body, and ball valve sealing component is arranged between valve body and sphere.
The utility model has the advantages that：
The utility model overcomes the defects of traditional technology, makes by setting pressure compensation opening on valve seat insert
Pressure balance is remained with outside, thoroughly solve valve seat and be extruded or damage in the moment of valve opening now in valve seat slot
As.
The utility model can be in the moment of valve opening, and valve chamber is interior and valve seat insert, valve seat slot and valve seat are held
Under by larger pressure condition, the sealing performance of ball seat, simple and reasonable for structure, convenient disassembly is effectively ensured, while can prolong
The service life of long valve.
Description of the drawings
Fig. 1 is the sectional view of the valve seat insert of the ball valve sealing component of the utility model embodiment；
Fig. 2 is the partial sectional view of the ball valve of the utility model embodiment；
Fig. 3 is the top view of the valve seat insert of the ball valve sealing component of the utility model embodiment；
Fig. 4 is the partial side view in the A directions along Fig. 1.
In figure：100- ball valve sealing components；110- valve seat inserts；111- valve seat slots；112- pressure ring slots；113- coordinates
Face；114- pressure compensation openings；115- removal holes；116- auxiliary sections；117- connecting portions；118- through holes；120- valve seats；130- is pressed
Ring；200- ball valves；210- valve bodies；220- spheres；230- valve chambers.
Specific embodiment
The principle and feature of the utility model are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
Embodiment
Fig. 1 is refer to, the ball valve sealing component 100 of the utility model includes：Valve seat insert 110, valve seat 120 and pressure ring
130.Valve seat insert 110 includes setting the valve seat slot 111 of valve seat 120 and the pressure ring slot for setting pressure ring 130
112.Mating surface 113 that is that valve seat slot 111 and pressure ring slot 112 may be contained within valve seat insert 110 and coordinating with ball for ball valve 220
On, and pressure ring slot 112 is set close to valve seat slot 111 so that and the pressure ring 130 being arranged in pressure ring slot 112 is with being arranged at valve seat
Valve seat 120 in slot 111 is in close contact.Valve seat insert 110 further includes multiple pressures positioned at 110 circumferencial direction of valve seat insert
Dynamic balance hole 114.Pressure compensation opening 114 is arranged at the periphery of valve seat slot 111 and pressure compensation opening 114 connects with valve seat slot 111
It is logical.The center line I of pressure compensation opening 114 is vertical with the center line II of the through hole 118 of valve seat insert 110, and multiple pressure
The geometric center point line of balance hole 114 and the center line III of valve seat slot 111 are coplanar.Multiple pressure compensation openings 114 are divided to for two groups,
Two groups of pressure compensation openings 114 are symmetricly set on the both sides of valve seat insert 110, and the quantity of every group of pressure compensation opening 114 is 5.
Valve seat insert 110 further includes 130 removal hole 115 of pressure ring, and removal hole 115 is arranged at the periphery of pressure ring slot 112 and removal hole
115 connect with pressure ring slot 112.115 balance pressure annular groove of removal hole, 112 external and internal pressure is conducive to pressure ring 130 from pressure ring slot 112
Inside remove.The section of valve seat 120 is triangular in shape, and valve seat slot 111 is the triangular groove coordinated with valve seat 120.
Valve seat insert 110 is in T shape, and valve seat insert 110 is included in the auxiliary section 116 of truncated cone-shaped and cylinder
Connecting portion 117, auxiliary section 116 is connected with connecting portion 117, and the outer circle that the outside diameter of auxiliary section 116 is more than connecting portion 117 is straight
Footpath, auxiliary section 116 and the sphere 220 of ball valve 200 coordinate, and connecting portion 117 is connected with the valve body 210 of ball valve 200.
The operation principle of the ball valve sealing component 100 of the utility model is illustrated below.
Fig. 2 is refer to, when ball body of valve 220 rotates the moment opened, in valve chamber 230 and valve seat insert 110, valve seat
Slot 111 and valve seat 120 bear larger pressure, since both sides radially-outer surface direction each increases on valve seat insert 110
There is provided the pressure compensation opening 114 of uniform gap, the quantity of pressure compensation opening 114 is preferably 5.This pressure compensation opening 114 from
220 runner oral area of sphere is nearest, discharges soon more than pressure compensation opening 114 is not opened, therefore this pressure compensation opening 114 makes valve seat slot
Pressure in 111 is released quickly, and the pressure in valve seat slot 111 remains balance with outside, and the valve seat 120 of triangle is just
It will not be squeezed out from valve seat slot 111, valve seat 120 will not be damaged, and by 120 stress deformation of valve seat, be close to always with sphere 220,
Reach good sealing effect, medium is made not generate leakage, while energy waste will not be generated, ensure the normal defeated of medium
It send.
Fig. 2 is refer to, the ball valve 200 of the utility model includes valve body 210, valve deck, sphere 220 and above-mentioned ball valve sealing
Component 100, valve deck are installed on the top of valve body 210, and sphere 220 is arranged in valve body 210, and ball valve sealing component 100 is arranged at
Between valve body 210 and sphere 220.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modifications, equivalent replacements and improvements are made should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of ball valve sealing component, which is characterized in that including：Valve seat insert, valve seat and pressure ring；The valve seat insert bag
Include the valve seat slot that the valve seat is set and the pressure ring slot for setting the pressure ring, the valve seat slot and the pressure ring slot
May be contained within the valve seat insert and in the mating surface of ball for ball valve cooperation and the pressure ring slot is close to the valve seat
Slot is set so that the pressure ring being arranged in the pressure ring slot and the valve seat being arranged in the valve seat slot are in close contact；Institute
It states valve seat insert and further includes multiple pressure compensation openings positioned at the valve seat insert circumferencial direction, the pressure compensation opening is set
The peripheral and described pressure compensation opening for being placed in the valve seat slot is connected with the valve seat slot.
2. ball valve sealing component according to claim 1, which is characterized in that the valve seat insert further includes removal hole,
The peripheral and described removal hole that the removal hole is arranged at the pressure ring slot is connected with the pressure ring slot.
3. ball valve sealing component according to claim 1 or 2, which is characterized in that the center line of the pressure compensation opening with
The central axis of the through hole of the valve seat insert, and the geometric center point line of multiple pressure compensation openings with it is described
The center line of valve seat slot is coplanar.
4. ball valve sealing component according to claim 3, which is characterized in that multiple pressure compensation openings are divided into two groups,
Two groups of pressure compensation openings are symmetricly set on the both sides of the valve seat insert, and the quantity of every group of pressure compensation opening is 5.
5. ball valve sealing component according to claim 1, which is characterized in that the section of the valve seat is triangular in shape, described
Valve seat slot is the triangular groove with valve seat cooperation.
6. ball valve sealing component according to claim 1, which is characterized in that the valve seat insert is in T shape, the valve
Seat sealing ring includes being connected with the connecting portion in the auxiliary section and cylinder connecting portion, the auxiliary section of truncated cone-shaped,
The outside diameter of the auxiliary section is more than the outside diameter of the connecting portion, and the auxiliary section and the sphere of the ball valve coordinate,
The connecting portion is connected with the valve body of the ball valve.
7. a kind of ball valve, which is characterized in that including valve body, valve deck, sphere and claim 1-6 any one of them ball valve sealings
Component, the valve deck are installed on the top of the valve body, and the sphere is arranged in the valve body, and the ball valve sealing component is set
It is placed between the valve body and the sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557319.XU CN207454819U (en) | 2017-11-20 | 2017-11-20 | A kind of ball valve sealing component and ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557319.XU CN207454819U (en) | 2017-11-20 | 2017-11-20 | A kind of ball valve sealing component and ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454819U true CN207454819U (en) | 2018-06-05 |
Family
ID=62277385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721557319.XU Active CN207454819U (en) | 2017-11-20 | 2017-11-20 | A kind of ball valve sealing component and ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757399A (en) * | 2021-09-10 | 2021-12-07 | 特瑞斯能源装备股份有限公司 | Sealing structure for valve |
-
2017
- 2017-11-20 CN CN201721557319.XU patent/CN207454819U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757399A (en) * | 2021-09-10 | 2021-12-07 | 特瑞斯能源装备股份有限公司 | Sealing structure for valve |
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