CN205715778U - A kind of High Temperature High Pressure hard seal ball valve - Google Patents
A kind of High Temperature High Pressure hard seal ball valve Download PDFInfo
- Publication number
- CN205715778U CN205715778U CN201620591850.8U CN201620591850U CN205715778U CN 205715778 U CN205715778 U CN 205715778U CN 201620591850 U CN201620591850 U CN 201620591850U CN 205715778 U CN205715778 U CN 205715778U
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- valve
- ball
- end cap
- bottom plate
- high temperature
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Abstract
本实用新型公开了一种高温高压硬密封球阀，包括阀体、端盖和上盖，所述阀体的阀腔内设有阀座和阀球，阀座外端面上设置有镍基合金金属C型圈，阀体和端盖之间设置有自密封三角垫、自密封C型圈和石墨垫片，阀球上端套接有上固定板，阀球下端套接有下固定板，上固定板和下固定板左右两端均一体设置有一块定位凸块，所述端盖内端面对准上固定板和下固定板位置均开设有一个与所述定位凸块匹配的端盖定位凸块插槽，所述上固定板和下固定板一端的定位凸块分别与同一高度的端盖定位凸块插槽插接固定。上述技术方案，结构设计合理、结构简单、工作可靠、密封效果好且能够有效防止介质泄漏。
The utility model discloses a high-temperature and high-pressure hard-sealed ball valve, which comprises a valve body, an end cover and an upper cover. The valve cavity of the valve body is provided with a valve seat and a valve ball, and a nickel-based alloy metal is provided on the outer end surface of the valve seat. C-ring, self-sealing triangular gasket, self-sealing C-ring and graphite gasket are arranged between the valve body and the end cover, the upper end of the valve ball is sleeved with the upper fixing plate, the lower end of the valve ball is sleeved with the lower fixing plate, and the upper fixing The left and right ends of the plate and the lower fixing plate are integrally provided with a positioning protrusion, and the inner end surface of the end cover is aligned with the position of the upper fixing plate and the lower fixing plate, and a positioning protrusion of the end cover matching the positioning protrusion is provided. Block slots, the positioning projections at one end of the upper fixing plate and the lower fixing plate are respectively plugged and fixed with the positioning projection slots of the end cover at the same height. The above technical solution has reasonable structure design, simple structure, reliable operation, good sealing effect and can effectively prevent medium leakage.
Description
Technical field
This utility model relates to ball valve technical field, is specifically related to a kind of High Temperature High Pressure hard seal ball valve.
Background technology
Ball valve, with its good sealing property and higher negotiability, has developed into a kind of main valve kind,
It is widely used in various field.In the High Temperature High Pressure pipeline of the industry such as electric power, petrochemical industry, many use hard seal ball valves play to be cut
The effect of disconnected isolation.The valve play cut-out in pipeline, isolating, if there is internal hemorrhage due to trauma, can cause a lot of damages of economy and secure context
Lose.
The ball valve used at High Temperature High Pressure pipeline at present leaks outside in generally existing in various degree phenomenon, it is considered that be valve
The aspects such as the structure design of door, manufacturing process are not met by the demand of operating mode, and the hardness such as valve ball, valve seat is inadequate, antiscour
Loosening, the structure of ability shortcoming, valve seat being connected with valve body designs unreasonable etc..
Summary of the invention
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of reasonable in design, structure
Simply, reliable operation, good sealing effect, it is possible to effectively prevent the High Temperature High Pressure hard seal ball valve of dielectric leakage.
For achieving the above object, this utility model provides following technical scheme: a kind of High Temperature High Pressure hard seal ball valve, bag
Including valve body, end cap and upper cover, be provided with valve seat and valve ball in the valve pocket of described valve body, described valve ball connects valve rod, described valve
Seat is provided with nickel-base alloy metal c-type circle on outer face, is provided with self sealss delta-ring, self sealss between described valve body and end cap
C-type circle and Graphite pad, described valve ball upper end is socketed with upper mounted plate, and valve ball lower end is socketed with bottom plate, fixed
Plate and two ends, bottom plate left and right are the most integrally provided with one piece of locating convex block, described end cap inner face alignment upper mounted plate and lower solid
Determine Board position and all offer an end cap locating convex block slot mated with described locating convex block, fixed plate and lower fixing
The end cap locating convex block slot grafting with sustained height respectively of the locating convex block of plate one end is fixed, and if being equipped with on described end cap
Dry root connecting bolt, every connecting bolt outer end is threaded a locking nut, and described end cap passes through connecting bolt and lock
Jack panel is connected fixing with valve body.
By using technique scheme, the nickel-base alloy metal axial movable sealing of c-type circle, promote valve seat to produce piston effect
Should, nickel-base alloy metal c-type circle instead of original rubber ring material, breaches the use limitation in temperature, avoids simultaneously
Conventional high temperature hard seal ball valve uses carbon seal ring to cause the use time not grow the problem with regard to seal failure, work because of high-temperature oxydation
Make reliable；And have employed self sealss delta-ring, self sealss c-type circle and the triple static seal of Graphite pad between valve body and end cap and set
Meter, it is ensured that the positive sealing under worst hot case；Upper mounted plate and the design of bottom plate, decrease parts, and improve can
By property；Reasonable in design, simple in construction, good sealing effect, it is possible to effectively prevent dielectric leakage, service life is long.
This utility model is further arranged to: described valve body upper end is provided with a stem through-hole, on described stem through-hole
End be provided with a upper cover locating notch, the side of described upper cover locating notch is the conical surface, described upper cover lower surface be provided with
The static seal conical surface of described upper cover locating notch coupling；Being provided with a valve rod installing hole in the middle part of described upper cover, described valve rod is pacified
Dress hole lower port is provided with a upper cover inner conical surface, and described valve rod is positioned at upper cover inner conical surface position and is provided with valve rod male cone (strobilus masculinus).Logical
Crossing this setting, structure arranges more reasonable, and better tightness has stopped the phenomenon that leaks outside at valve rod.
This utility model is further arranged to: be filled with resistance to oxidation between the inwall of described valve rod and valve rod installing hole high
Temperature filler.By this setting, eliminate conventional graphite filler and at high temperature aoxidize and cause seal failure, it also avoid employing asbestos
The environmental pollution that filler causes.
This utility model is further arranged to: fixed plate is identical with bottom plate structure, fixed plate
It is square block with the locating convex block at two ends, bottom plate left and right, and upper mounted plate and two ends, bottom plate left and right locating convex block pair
Claim to arrange, in the middle part of upper mounted plate and bottom plate, be provided with a hole, fixed plate location coordinated with described valve ball.By originally setting
Putting, upper mounted plate and bottom plate structure arrange rationally, easy to connect, fixing reliable.
This utility model is further arranged to: described valve ball upper end is provided with upper mounted plate locating notch, described valve ball
Lower end is provided with bottom plate locating notch.By this setting, valve ball structure arranges rationally, and upper mounted plate and bottom plate are installed
Convenient, fixing reliable.
This utility model is further arranged to: the end cap on the valve pocket internal face alignment end cap inner face of described valve body is fixed
Position projection slot position is provided with valve body locating convex block slot.By this setting, valve body structure arranges more reasonable, and work is more
Add reliable.
The utility model has the advantages that: compared with prior art, this utility model structure arranges more reasonable, nickel-base alloy
The axial movable sealing of metal c-type circle, promotes valve seat to produce piston effect, and nickel-base alloy metal c-type circle instead of original rubber ring
Material, breaches the use limitation in temperature, avoids conventional high temperature hard seal ball valve simultaneously and uses carbon seal ring because of high temperature
Oxidation causes the use time not grow the problem with regard to seal failure, reliable operation；And between valve body and end cap, have employed self sealss three
Angle pad, self sealss c-type circle and the design of Graphite pad triple static seal, it is ensured that the positive sealing under worst hot case；Upper mounted plate
With the design of bottom plate, decrease parts, improve reliability；Reasonable in design, simple in construction, good sealing effect,
Can effectively prevent dielectric leakage, service life is long.
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is the structural representation of this utility model embodiment end cap；
Fig. 3 is the structural representation of this utility model embodiment upper mounted plate.
Detailed description of the invention
Seeing Fig. 1, Fig. 2 and Fig. 3, a kind of High Temperature High Pressure hard seal ball valve disclosed in this utility model, including valve body 1, end
Lid 2 and upper cover 3, be provided with valve seat 4 and valve ball 5 in the valve pocket of described valve body 1, described valve ball 5 connects valve rod 6, described valve seat 4
It is provided with nickel-base alloy metal c-type circle 7 on outer face, is provided with self sealss delta-ring 8 between described valve body 1 and end cap 2, from close
Envelope c-type circle 9 and Graphite pad 10, described valve ball 5 upper end is socketed with upper mounted plate 11, and valve ball 5 lower end is socketed with bottom plate 12,
Fixed plate 11 and bottom plate about 12 two ends are the most integrally provided with one piece of locating convex block 13, described end cap 2 inner face
Alignment upper mounted plate 11 and bottom plate 12 position all offer an end cap locating convex block mated with described locating convex block 13
Slot 21, the locating convex block 13 of fixed plate 11 and bottom plate 12 one end respectively with the end cap locating convex block of sustained height
Slot 21 grafting is fixed, and is equipped with some connecting bolts 14 on described end cap 2, and every connecting bolt 14 outer end is threaded
A locking nut 15, described end cap 2 is had to be connected fixing with valve body 1 by connecting bolt 14 and locking nut 15.
As preferably, the present embodiment valve seat 4 outer face arranging step groove, described nickel-base alloy metal c-type circle 7 is socketed
On step groove, and the inner face alignment valve seat 4 step groove position of the valve pocket internal face of described valve body and end cap 2 is provided with and is somebody's turn to do
The step of step groove coupling.This technical scheme, uses the design of fixing ball valve piston valve base, is suitable for high pressure operating mode.
Self sealss delta-ring 8, self sealss c-type circle 9 and Graphite pad 10 between described valve body 1 and end cap 2 are existing
Product, and self sealss delta-ring 8, self sealss c-type circle 9 and Graphite pad 10 set gradually from the inside to the outside.
For making this utility model structure more reasonable, as preferably, described in the present embodiment, valve body 1 upper end is provided with one
Stem through-hole 16, described stem through-hole 16 upper end is provided with a upper cover locating notch, and the side of described upper cover locating notch is
The conical surface 161, described upper cover 3 lower surface is provided with the static seal conical surface 31 mated with described upper cover locating notch；In described upper cover 3
Portion is provided with a valve rod installing hole 32, and described valve rod installing hole 32 lower port is provided with a upper cover inner conical surface 321, described valve
Bar 6 is positioned at upper cover inner conical surface 321 position and is provided with valve rod male cone (strobilus masculinus) 61.Upper cover design has two conical surface sealing structures, the conical surface 161
It is dynamic equal angular conical surface seal with the static seal conical surface 31, and is realized by pairing grinding technics；Upper cover inner conical surface 321 He
Valve rod male cone (strobilus masculinus) 61 is that (angle difference is about 1-2 ° to static difference angle conical surface seal, produces initial linear sealing effect.
Resistance to oxidation high temperature filler 17 it is filled with between described valve rod 6 and the inwall of valve rod installing hole 32.As preferably, this
Embodiment resistance to oxidation high temperature filler 17 is the solid power spy's filler of existing high temperature.
Fixed plate 11 is identical with bottom plate 12 structure, fixed plate 11 and bottom plate about 12 two ends
Locating convex block 13 be square block, and upper mounted plate 11 and bottom plate about 12 two ends locating convex block 13 are symmetrical arranged, on
A hole 18, fixed plate location coordinated with described valve ball it is provided with in the middle part of fixed plate 11 and bottom plate 12.
Described valve ball 5 upper end is provided with upper mounted plate locating notch 51, and described valve ball 5 lower end is provided with bottom plate location
Breach 52.
End cap locating convex block slot 21 position on valve pocket internal face alignment end cap 2 inner face of described valve body 1 is respectively provided with
There is valve body locating convex block slot 19.
During actual application, the nickel-base alloy metal axial movable sealing of c-type circle, promote valve seat to produce piston effect, nickel-base alloy
Metal c-type circle instead of original rubber ring material, breaches the use limitation in temperature, avoids conventional high temperature the closeest simultaneously
Blocking valve uses carbon seal ring to cause the use time not grow the problem with regard to seal failure, reliable operation because of high-temperature oxydation；And valve
Self sealss delta-ring, self sealss c-type circle and the design of Graphite pad triple static seal is have employed, it is ensured that at high temperature between body and end cap
Positive sealing under operating mode；Upper mounted plate and the design of bottom plate, decrease parts, improve reliability；Structure designs
Rationally, simple in construction, good sealing effect, it is possible to effectively prevent dielectric leakage, service life is long.
Above-described embodiment, to specific descriptions of the present utility model, is served only for being further described this utility model, no
It is understood that for the restriction to this utility model protection domain, the technician of this area is according to the content pair of above-mentioned utility model
This utility model makes some nonessential improvement and within adjustment each falls within protection domain of the present utility model.
Claims (6)
1. a High Temperature High Pressure hard seal ball valve, including valve body (1), end cap (2) and upper cover (3), in the valve pocket of described valve body (1)
Being provided with valve seat (4) and valve ball (5), the upper connection of described valve ball (5) has valve rod (6), it is characterised in that: described valve seat (4) outer face
On be provided with nickel-base alloy metal c-type circle (7), be provided with between described valve body (1) and end cap (2) self sealss delta-ring (8), from
Sealing c-type circle (9) and Graphite pad (10), described valve ball (5) upper end is socketed with upper mounted plate (11), and valve ball (5) lower end is socketed
Bottom plate (12), fixed plate (11) and bottom plate (12) two ends, left and right are had the most integrally to be provided with one piece of locating convex block
(13), described end cap (2) inner face alignment upper mounted plate (11) and bottom plate (12) position all offer one fixed with described
End cap locating convex block slot (21) that position projection (13) is mated, fixed plate (11) and the location of bottom plate (12) one end
Projection (13) end cap locating convex block slot (21) grafting with sustained height respectively is fixed, and described end cap (2) if on be equipped with
Dry root connecting bolt (14), every connecting bolt (14) outer end is threaded a locking nut (15), and described end cap (2) leads to
Cross connecting bolt (14) and locking nut (15) and be connected with valve body (1) fixing.
A kind of High Temperature High Pressure hard seal ball valve the most according to claim 1, it is characterised in that: described valve body (1) upper end sets
Being equipped with a stem through-hole (16), described stem through-hole (16) upper end is provided with a upper cover locating notch, and described upper cover positions
The side of breach is the conical surface (161), and described upper cover (3) lower surface is provided with the static seal cone mated with described upper cover locating notch
Face (31)；Described upper cover (3) middle part is provided with a valve rod installing hole (32), and described valve rod installing hole (32) lower port is provided with
One upper cover inner conical surface (321), described valve rod (6) is positioned at upper cover inner conical surface (321) position and is provided with valve rod male cone (strobilus masculinus) (61).
A kind of High Temperature High Pressure hard seal ball valve the most according to claim 2, it is characterised in that: described valve rod (6) and valve rod
Resistance to oxidation high temperature filler (17) it is filled with between the inwall of installing hole (32).
4. according to a kind of High Temperature High Pressure hard seal ball valve described in claim 1 or 2 or 3, it is characterised in that: fixed plate
(11) identical with bottom plate (12) structure, fixed plate (11) and the locating convex block at bottom plate (12) two ends, left and right
(13) it is square block, and upper mounted plate (11) and bottom plate (12) two ends, left and right locating convex block (13) are symmetrical arranged, upper solid
Determine plate (11) and bottom plate (12) middle part is provided with fixed plate hole, location (18) coordinated with described valve ball.
A kind of High Temperature High Pressure hard seal ball valve the most according to claim 4, it is characterised in that: described valve ball (5) upper end sets
Being equipped with upper mounted plate locating notch (51), described valve ball (5) lower end is provided with bottom plate locating notch (52).
A kind of High Temperature High Pressure hard seal ball valve the most according to claim 5, it is characterised in that: the valve pocket of described valve body (1)
End cap locating convex block slot (21) position on internal face alignment end cap (2) inner face is provided with valve body locating convex block slot
(19)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620591850.8U CN205715778U (en) | 2016-06-16 | 2016-06-16 | A kind of High Temperature High Pressure hard seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620591850.8U CN205715778U (en) | 2016-06-16 | 2016-06-16 | A kind of High Temperature High Pressure hard seal ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205715778U true CN205715778U (en) | 2016-11-23 |
Family
ID=57306841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620591850.8U Withdrawn - After Issue CN205715778U (en) | 2016-06-16 | 2016-06-16 | A kind of High Temperature High Pressure hard seal ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205715778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909821A (en) * | 2016-06-16 | 2016-08-31 | 五洲阀门股份有限公司 | High-temperature high-pressure rigidity seal ball valve |
| WO2021143494A1 (en) * | 2020-01-16 | 2021-07-22 | 苏州纽威阀门股份有限公司 | Fixed ball valve |
-
2016
- 2016-06-16 CN CN201620591850.8U patent/CN205715778U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909821A (en) * | 2016-06-16 | 2016-08-31 | 五洲阀门股份有限公司 | High-temperature high-pressure rigidity seal ball valve |
| WO2021143494A1 (en) * | 2020-01-16 | 2021-07-22 | 苏州纽威阀门股份有限公司 | Fixed ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180112 |