CN205937955U - Ball valve is with throttle disk seat - Google Patents
Ball valve is with throttle disk seat Download PDFInfo
- Publication number
- CN205937955U CN205937955U CN201620941019.0U CN201620941019U CN205937955U CN 205937955 U CN205937955 U CN 205937955U CN 201620941019 U CN201620941019 U CN 201620941019U CN 205937955 U CN205937955 U CN 205937955U
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- Prior art keywords
- valve seat
- seat body
- ball valve
- valve
- blind hole
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Abstract
The utility model belongs to the technical field of the control valve technique and specifically relates to a ball valve is with throttle disk seat, including valve seat body, oriented interior sunken depressed part is offered to valve seat body's one end, a plurality of blind holes have been seted up to valve seat body's the other end, the through flow opening who communicates with the depressed part is seted up to the bottom of blind hole, the build -up welding is formed with annular overlay on the inner wall of depressed part, the inner circle of overlay is sealing the inclined plane with case spheroid complex, realize throttle voltage regulator function through seted up blind hole and through flow opening on valve seat body, add the overlay on valve seat body, and setting and the sealed inclined plane of case spheroid complex, that guarantees the valve is tight when cutting off the performance, realize the fluidic and adjusted the step -down function, adopt that this throttle disk seat is effectual has eliminated the katogene that high pressure drop medium causes, adopt different step -down throttle forms, effectually avoided high pressure drop fluid to take place flash distillation, cavitation, cavitation erosion and noise scheduling problem, make the ball valve have fine adjusting function.
Description
Technical field
This utility model is related to control valve technical field, especially a kind of ball valve throttle valve seat.
Background technology
In prior art, the flow of medium and pressure are adjusted and can be realized by regulating valve and regulation ball valve, current
Adjust the semisphere valve that ball valve is all using V-type opening, rated flow coefficient is big, degree of regulation difference is it is impossible to be applied to various operating modes
Under the conditions of regulation.V-type is adjusted ball valve and is limited by this body structure and shape, seals grade and can only accomplish IV level it is impossible to meet
The occasion that leakage class has high demands.
The regulation better performances of regulating valve, but require to adjust performance well at some, there is featuring rigid cutting-off again
The occasion of performance, regulating valve can not meet use requirement.
Utility model content
The technical problems to be solved in the utility model is:In order to solve cannot to take into account the modulability of valve in prior art simultaneously
A kind of ball valve throttle valve seat can now be provided with the problem of sealing property, this valve seat can ensure that the featuring rigid cutting-off performance of valve
While, realize the regulation buck functionality of fluid.
This utility model solves its technical problem and be employed technical scheme comprise that:A kind of ball valve throttle valve seat, including valve
Seat body, one end of described valve seat body offers the depressed part caving inward, if the other end of described valve seat body offers
Dry blind hole, the bottom of described blind hole offers the through flow hole connecting with described depressed part, built-up welding shape on the inwall of described depressed part
Become and have annular overlay cladding, the inner ring of described overlay cladding is the sealing inclined-plane with the cooperation of valve element spheroid.
Realize, by blind hole and through flow hole are offered on valve seat body, the voltage regulation function that throttles, in valve seat originally in this programme
Overlay cladding is set up on body, and the sealing inclined-plane with the cooperation of valve element spheroid is set, reduce the contact area of valve element spheroid and valve seat, increase
Plus the service life of valve seat, realize the featuring rigid cutting-off function to medium.
Preferably, described blind hole and described through flow hole are arranged concentrically.
Preferably, described blind hole and described through flow hole eccentric setting.
In order to expand range of accommodation, further, it is provided with the restricting element that inside has throttle structure, section in described blind hole
Fluid element can be any cylinder with throttle structure, by adding restricting element so that the scope of throttling pressure regulation is wider.
Preferably, described restricting element and described blind hole interference fit.
In order to improve the anti-wear performance of overlay cladding, further, the material of described overlay cladding is hard alloy, hard alloy
There is very high corrosion resistance, wearability, the service life of valve seat can be improved.
For the ease of the installation of the sealing ring when valve seat body is arranged in valve pocket, further, described valve seat body
Some sealed grooves are offered around its own on outer wall.
Further, it is provided with, in described sealed groove, the sealing ring matching with it.
Preferably, the material of described sealing ring can be politef, rubber or graphite packing, politef friction
Coefficient is low, high temperature resistant, has the characteristics that the anti-organic solvent of antiacid, alkali resistant;Graphite packing has high temperature resistant, high pressure resistant, corrosion-resistant
The feature of medium.
The beneficial effects of the utility model are:Of the present utility model by blind hole and through flow hole are offered on valve seat body
To realize the voltage regulation function that throttles, overlay cladding set up on valve seat body, and sealing inclined-plane with the cooperation of valve element spheroid is set it is ensured that
It is achieved that the regulation buck functionality of fluid while the featuring rigid cutting-off performance of valve;Effectively eliminated using this throttle valve seat
Destruction caused by high pressure drop medium, using different blood pressure lowering throttling forms, effectively avoids high pressure drop fluid and occurs
The problems such as flash distillation, cavitation, cavitation erosion and noise, ball valve is made to have good regulation performance.
Brief description
With reference to the accompanying drawings and examples this utility model is further illustrated.
Fig. 1 is the schematic diagram of this utility model ball valve throttle valve seat;
Fig. 2 is the schematic diagram of valve seat body in this utility model ball valve throttle valve seat;
Fig. 3 is the use state schematic diagram of this utility model ball valve throttle valve seat.
In figure:1st, valve seat body, 101, depressed part, 102, blind hole, 103, through flow hole, 104, sealed groove, 2, overlay cladding,
201st, sealing inclined-plane, 3, restricting element, 4, valve element spheroid.
Specific embodiment
Presently in connection with accompanying drawing, this utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification,
Basic structure of the present utility model is only described in a schematic way, therefore it only shows the composition relevant with this utility model.
Embodiment 1
As Figure 1-3, a kind of ball valve throttle valve seat, including valve seat body 1, one end of described valve seat body 1 opens up
There is the depressed part 101 caving inward, the other end of valve seat body 1 offers some blind holes 102 of ordered arrangement, and blind hole 102 is in
In valve seat body 1, the bottom of described blind hole 102 offers the through flow hole 103 connecting with described depressed part 101 to array distribution,
On the inwall of described depressed part 101, built-up welding is formed with annular overlay cladding 2, and the inner ring of described overlay cladding 2 is to coordinate with valve element spheroid 4
Sealing inclined-plane 201, the diameter of through flow hole 103 is less than the diameter of blind hole 102, and through flow hole 103 and blind hole 102 are passed through to bore the side such as boring
Formula processes.
Described blind hole 102 and described through flow hole 103 eccentric setting.
It is provided with the restricting element 3 that inside has throttle structure, restricting element 3 can be any tool in described blind hole 102
There is the cylinder of throttle structure, by adding restricting element 3 so that the scope of throttling pressure regulation is wider.
Described restricting element 3 and described blind hole 102 interference fit.
The material of described overlay cladding 2 is hard alloy, and hard alloy has very high corrosion resistance, wearability, Ke Yiti
The service life of high valve seat.
Two sealed grooves 104 are offered around its own on the outer wall of described valve seat body 1.
It is provided with, in described sealed groove 104, the sealing ring matching with it.
The material of described sealing ring can be low for politef, rubber or graphite packing, politef coefficient of friction,
High temperature resistant, there is the anti-organic solvent of antiacid, alkali resistant;Graphite packing has the spy of high temperature resistant, high pressure resistant, corrosion-resistant medium
Point.
Ball valve of the present utility model is round with valve element spheroid 4 with the sealing inclined-plane 201 of its weld-deposited cladding 2 of throttle valve seat
Cambered surface contacts, and increases anti-wear performance, decreases the contact area of valve seat body 1 and valve element spheroid 4, increased the practical longevity of valve seat
Life, realizes featuring rigid cutting-off function to medium, separately machined go out the restricting element 3 with throttle structure be interference fitted in blind hole
In 102, can further improve the pressure regulation spectrum of this valve seat.
Above-mentioned is enlightenment according to desirable embodiment of the present utility model, by above-mentioned description, relevant staff
Various change and modification can be carried out in the range of without departing from this utility model technological thought completely.This practicality
Content that new technical scope is not limited in description is it is necessary to determine it according to right technical
Scope.
Claims (9)
1. a kind of ball valve throttle valve seat it is characterised in that:Including valve seat body (1), one end of described valve seat body (1) opens up
There is the depressed part (101) caving inward, the other end of described valve seat body (1) offers some blind holes (102), described blind hole
(102) bottom offers the through flow hole (103) connecting with described depressed part (101), heap on the inwall of described depressed part (101)
Weldering is formed with annular overlay cladding (2), and the inner ring of described overlay cladding (2) is the sealing inclined-plane (201) coordinating with valve element spheroid (4).
2. ball valve throttle valve seat according to claim 1 it is characterised in that:Described blind hole (102) and described through flow hole
(103) it is arranged concentrically.
3. ball valve throttle valve seat according to claim 1 it is characterised in that:Described blind hole (102) and described through flow hole
(103) eccentric setting.
4. ball valve throttle valve seat according to claim 1 it is characterised in that:It is provided with inside in described blind hole (102)
There is the restricting element (3) of throttle structure.
5. ball valve throttle valve seat according to claim 4 it is characterised in that:Described restricting element (3) and described blind hole
(102) interference fit.
6. ball valve throttle valve seat according to claim 1 it is characterised in that:The material of described overlay cladding (2) is hard
Alloy.
7. ball valve throttle valve seat according to claim 1 it is characterised in that:The outer wall upper measurement of described valve seat body (1)
Offer some sealed grooves (104) around its own.
8. ball valve throttle valve seat according to claim 7 it is characterised in that:It is provided with described sealed groove (104)
The sealing ring matching with it.
9. ball valve throttle valve seat according to claim 8 it is characterised in that:The material of described sealing ring can be poly- four
Fluorothene, rubber or graphite packing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620941019.0U CN205937955U (en) | 2016-08-25 | 2016-08-25 | Ball valve is with throttle disk seat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620941019.0U CN205937955U (en) | 2016-08-25 | 2016-08-25 | Ball valve is with throttle disk seat |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205937955U true CN205937955U (en) | 2017-02-08 |
Family
ID=57952843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620941019.0U Active CN205937955U (en) | 2016-08-25 | 2016-08-25 | Ball valve is with throttle disk seat |
Country Status (1)
Country | Link |
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CN (1) | CN205937955U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107448637A (en) * | 2017-08-10 | 2017-12-08 | 航天长征化学工程股份有限公司 | Ball valve for controlling cavitation |
CN110454586A (en) * | 2019-09-11 | 2019-11-15 | 浙江联大阀门有限公司 | Wear-resisting regulation ball valve |
-
2016
- 2016-08-25 CN CN201620941019.0U patent/CN205937955U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107448637A (en) * | 2017-08-10 | 2017-12-08 | 航天长征化学工程股份有限公司 | Ball valve for controlling cavitation |
CN110454586A (en) * | 2019-09-11 | 2019-11-15 | 浙江联大阀门有限公司 | Wear-resisting regulation ball valve |
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GR01 | Patent grant |