CN109185467A - A kind of antiscour valve with changeable valve seat shut-off valve - Google Patents
A kind of antiscour valve with changeable valve seat shut-off valve Download PDFInfo
- Publication number
- CN109185467A CN109185467A CN201811379833.8A CN201811379833A CN109185467A CN 109185467 A CN109185467 A CN 109185467A CN 201811379833 A CN201811379833 A CN 201811379833A CN 109185467 A CN109185467 A CN 109185467A
- Authority
- CN
- China
- Prior art keywords
- valve
- disk
- seat
- valve seat
- deck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 239000000945 filler Substances 0.000 claims abstract description 27
- 238000012856 packing Methods 0.000 claims abstract description 11
- 230000036316 preload Effects 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 210000004907 gland Anatomy 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000009957 hemming Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007907 direct compression Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 210000003371 toe Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
- F16K1/427—Attachment of the seat to the housing by one or more additional fixing elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of antiscour valve with changeable valve seat shut-off valves, including valve body and valve seat, valve seat is equipped in the middle part of the valve body, the valve seat upper end is connected with pressure reducing sleeve, valve is socketed in the middle part of the pressure reducing sleeve to do, the valve does upper end and does lid equipped with valve, the valve, which is done, covers end equipped with valve rod, the valve rod upper end is equipped with pendant collet, the pendant collet upper end is equipped with valve deck, and valve deck lower end two sides are equipped with pressure sealing ring, and upper end is equipped with Packing seat in the middle part of the valve deck, the Packing seat upper end is equipped with filler, and the filler upper end is equipped with filler pressing sleeve.This shut-off valve beats symmetrical type hole, forms medium and liquidate by taking out annular groove on valve body on valve seat, pressure is almost nil after liquidating, the injury to sealing surface can be reduced, the pressure of valve seat lower part medium withstands valve seat, stable structure No leakage, valve seat is replaceable, it is easy to repair, Anti-erosion is gone back, sealing surface just has matter Jie after valve opens a period of time, valve seat is compressed, the risk of loosening is reduced.
Description
Technical field
The present invention relates to shut-off valve technical field more particularly to a kind of antiscour valve with changeable valve seat shut-off valves.
Background technique
When easily causing valves leakage after spirotallic gasket loosening in existing shut-off valve, and opening repeatedly, pressure sealing ring
Loosening easily causes leakage, can not play the role of choked flow, and the valve seat of shut-off valve can not be compacted in use, deposit
In the risk of loosening, security risk is increased, and when valve seat is damaged can not be individually replaced maintenance, cut if valve seat damage
Only valve damages, and increases maintenance cost and maintenance difficulty, and many places use obturator in shut-off valve, to reach the mesh of zero leakage
, but it is used in corrosive gas or when liquid, obturator is easily corroded damage.
Summary of the invention
The purpose of the present invention is to provide a kind of antiscour valve with changeable valve seat shut-off valves, have the spy of No leakage, Anti-erosion
Point, solves the problems of the prior art.
To achieve the above object, the invention provides the following technical scheme: a kind of antiscour valve with changeable valve seat shut-off valve, including
Valve body and valve seat, are equipped with valve seat in the middle part of the valve body, and the valve seat upper end is connected with pressure reducing sleeve, the pressure reducing sleeve lower edge in
Sealing ring is installed between valve seat upper end-face edge, valve is socketed in the middle part of the pressure reducing sleeve and does, the valve does upper end and does lid equipped with valve,
The valve, which is done, covers end equipped with valve rod, and the valve rod upper end is equipped with pendant collet, and the pendant collet inlay card is installed on the ring of valve body
It is fixed and clamped in shape slot by soket head cap screw, the pendant collet upper end is equipped with valve deck, and the valve deck peace is in valve body upper end
Portion, the valve deck lower end outside are equipped with pressure sealing ring, and the pressure sealing ring upper end is connected with gasket ring, and the gasket ring upper end is equipped with
Pre-load nut, the pre-load nut and gasket ring are respectively positioned on the outside of valve deck, and upper end is equipped with Packing seat, the filler in the middle part of the valve deck
Pad upper end and be equipped with filler, the filler upper end is equipped with filler pressing sleeve, the filler be located at Packing seat, filler pressing sleeve and valve deck it
Between, the valve body upper end, which is equipped with down, connects disk, and disk upper end is connect under described and is equipped with preload disk, passes through square toes spiral shell in the middle part of the preload disk
Nail, which is fixedly connected down, connects disk, and disk is connect under described and preload disk is respectively positioned on the outside of valve deck, the filler pressing sleeve upper end is equipped with filler pressure
Plate, described hold-down grid one end, which is fixedly connected, pre-tightens disk one end, and the hold-down grid upper end is equipped with guide plate, the guide plate
Both ends are connected with four support rods, and disk upper end, four support rod upper end connections are connect under four support rod lower end connections
Connect disk on having, it is described on connect and be equipped with valve stem nut in the middle part of disk, the valve stem nut lower end is socketed with valve stem nut set, it is described on connect
There are two bearings for the installation of disk upper end, and the bearing upper end is equipped with bearing gland.
Preferably, the material of the filler is high-temperature oxidation resistant soft graphite.
Preferably, the valve seat wall is equipped with symmetrical type hole.
Preferably, the valve rod lower end is located in the middle part of valve body, gangs up connection valve deck in the middle part of valve rod.
Preferably, the pressure sealing ring is T-type, and pressure sealing ring and sealing ring are using enhancing high-temperature oxidation resistant soft graphite
Metal hemming edge.
Compared with prior art, beneficial effects of the present invention are as follows:
Antiscour valve with changeable valve seat shut-off valve of the invention, by taking out annular groove on valve body, in pendant collet
Hex screw directly compresses, and symmetrical type hole is beaten on valve seat, forms medium and liquidates, pressure is almost nil after liquidating, and can subtract
Few injury to sealing surface, the pressure of valve seat lower part medium withstand valve seat, thus more with the sealing effect of " V " type pressure sealing ring
Good, stable structure No leakage, effect of shutting off is good, and the not only valve seat of the shut-off valve is replaceable, easy to repair, goes back Anti-erosion, valve
Sealing surface just has matter Jie after opening a period of time, extends the service life of obturator, while can compress valve seat, reduces and loosens
Risk, reduce security risk.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention；
Fig. 2 is valve seat construction figure of the invention.
In figure: 1, valve body；2, valve seat；3, sealing ring；4, pressure reducing sleeve；5, valve is done；6, valve does lid；7, valve rod；8, pendant collet；
9, soket head cap screw；10, valve deck；11, pressure sealing ring；12, gasket ring；13, pre-load nut；14, disk is connect under；15, Packing seat；16,
Filler；17, disk is pre-tightened；18, square head screw；19, filler pressing sleeve；20, hold-down grid；21, guide plate；22, support rod；23, on
Connect disk；24, valve stem nut set；25, valve stem nut；26, bearing；27, bearing gland.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of antiscour valve with changeable valve seat shut-off valve referring to FIG. 1-2, including valve body 1 and valve seat 2 are equipped in the middle part of valve body 1
Valve seat 2,2 side wall of valve seat are equipped with symmetrical type hole, form medium and liquidate, pressure is almost nil after liquidating, and can reduce to sealing surface
Injury, 2 upper end of valve seat is connected with pressure reducing sleeve 4, and 4 lower edge of pressure reducing sleeve is equipped with sealing ring between 2 upper end-face edge of valve seat
3, it is socketed with valve in the middle part of pressure reducing sleeve 4 and does 5, valve does 5 upper ends and does lid 6 equipped with valve, and valve does 6 upper end of lid equipped with valve rod 7,7 lower end of valve rod
Positioned at 1 middle part of valve body, connection valve deck 10 is ganged up in the middle part of valve rod 7,7 upper end of valve rod is equipped with pendant collet 8, the installation of 8 inlay card of pendant collet
It is fixed and clamped in passing through soket head cap screw 9 in the annular groove of valve body 1,8 upper end of pendant collet is equipped with valve deck 10, the installation of 10 inlay card of valve deck
In 1 upper center of valve body, 10 lower end two sides of valve deck are equipped with pressure sealing ring 11, and pressure sealing ring 11 is T-type, and 11 He of pressure sealing ring
Sealing ring 3 is connected with gasket ring 12 using enhancing high-temperature oxidation resistant soft graphite metal hemming edge, 11 upper end of pressure sealing ring, on gasket ring 12
End is equipped with pre-load nut 13, and pre-load nut 13 and gasket ring 12 are respectively positioned on 10 outside of valve deck, and 10 middle part upper end of valve deck is equipped with Packing seat
15,15 upper end of Packing seat is equipped with filler 16, and the material of filler 16 is high-temperature oxidation resistant soft graphite, and 16 upper end of filler, which is equipped with, to be filled out
Expect that pressing sleeve 19, filler 16 are located between Packing seat 15, filler pressing sleeve 19 and valve deck 10,1 upper end two sides of valve body, which are equipped with down, connects disk
14, under connect 14 upper end of disk and be equipped with and pre-tighten disk 17, pre-tighten and be fixedly connected down by square head screw 18 in the middle part of disk 17 and connect disk 14, under connect disk
14 are respectively positioned on 10 outside of valve deck with disk 17 is pre-tightened, and 19 upper end of filler pressing sleeve is equipped with hold-down grid 20, and 20 one end of hold-down grid is fixed
Connection pre-tightens 17 one end of disk, and 20 upper end of hold-down grid is equipped with guide plate 21, and 21 both ends of guide plate are connected with four support rods 22,
14 upper end of disk is connect under four 22 lower end of support rod connections, four 22 upper ends of support rod are connected with and connect disk 23, above connect 23 middle part of disk
Equipped with valve stem nut 25,25 lower end of valve stem nut is socketed with valve stem nut set 24, above connects bearing 26 there are two the installations of 23 upper end of disk,
26 upper end of bearing is equipped with bearing gland 27.
In summary: antiscour valve with changeable valve seat shut-off valve of the invention, by the pumping slot on valve body 1, pendant collet 8 is direct
Compression, and symmetrical type hole is beaten on valve seat 2, it forms medium and liquidates, pressure is almost nil after liquidating, and can reduce to sealing surface
Injury, the pressure of 2 lower part medium of valve seat withstands valve seat 2, thus more preferably with the sealing effect of T-shape pressure sealing ring 11, the cut-off
The not only valve seat 2 of valve is replaceable, easy to repair, goes back Anti-erosion, and sealing surface just has matter Jie after valve opens a period of time, extends close
The service life of part is sealed, while valve seat 2 can be compressed, reduces the risk of loosening, reduces security risk.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of antiscour valve with changeable valve seat shut-off valve, including valve body (1) and valve seat (2), it is characterised in that: the valve body (1)
Middle part is equipped with valve seat (2), and valve seat (2) upper end is connected with pressure reducing sleeve (4), and pressure reducing sleeve (4) lower edge is in valve seat (2)
It is equipped between upper end-face edge sealing ring (3), is socketed with valve in the middle part of the pressure reducing sleeve (4) and does (5), the valve is done (5) upper end and set
There is valve to do lid (6), the valve does lid (6) upper end equipped with valve rod (7), and valve rod (7) upper end is equipped with pendant collet (8), described
Pendant collet (8) inlay card is installed in the annular groove of valve body (1) and is fixed and clamped by soket head cap screw (9), on the pendant collet (8)
End is equipped with valve deck (10), and valve deck (10) peace is embedded in valve body (1) upper center, and valve deck (10) lower end is equipped with self-sealing
Ring (11), pressure sealing ring (11) upper end are connected with gasket ring (12), and gasket ring (12) upper end is equipped with pre-load nut (13), institute
It states pre-load nut (13) and gasket ring (12) is respectively positioned on the outside of valve deck (10), upper end is equipped with Packing seat in the middle part of the valve deck (10)
(15), Packing seat (15) upper end is equipped with filler (16), and filler (16) upper end is equipped with filler pressing sleeve (19), described to fill out
Material (16) is located between Packing seat (15), filler pressing sleeve (19) and valve deck (10), and valve body (1) the upper end two sides, which are equipped with down, to be connect
Disk (14) connects disk (14) upper end and is equipped with preload disk (17) under described, it is solid to pass through square head screw (18) in the middle part of the preload disk (17)
Disk (14) are connect under fixed connection, disk (14) is connect under described and preload disk (17) is respectively positioned on the outside of valve deck (10), the filler pressing sleeve
(19) upper end is equipped with hold-down grid (20), and described hold-down grid (20) one end, which is fixedly connected, pre-tightens disk (17) one end, the filler
Pressing plate (20) upper end is equipped with guide plate (21), and guide plate (21) both ends are connected with four support rods (22), described in four
Disk (14) upper end is connect under the connection of support rod (22) lower end, four support rod (22) upper ends are connected with and connect disk (23), described
On connect and be equipped with valve stem nut (25) in the middle part of disk (23), valve stem nut (25) lower end is socketed with valve stem nut set (24), described
On connect the installation of disk (23) upper end there are two bearing (26), bearing (26) upper end is equipped with bearing gland (27).
2. a kind of antiscour valve with changeable valve seat shut-off valve according to claim 1, it is characterised in that: the filler (16)
Material is high-temperature oxidation resistant soft graphite.
3. a kind of antiscour valve with changeable valve seat shut-off valve according to claim 1, it is characterised in that: valve seat (2) side
Wall is equipped with symmetrical type hole.
4. a kind of antiscour valve with changeable valve seat shut-off valve according to claim 1, it is characterised in that: under the valve rod (7)
End is located in the middle part of valve body (1), and connection valve deck (10) is ganged up in the middle part of valve rod (7).
5. a kind of antiscour valve with changeable valve seat shut-off valve according to claim 1, it is characterised in that: the pressure sealing ring
It (11) is T-type, and pressure sealing ring (11) and sealing ring (3) are using enhancing high-temperature oxidation resistant soft graphite metal hemming edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811379833.8A CN109185467B (en) | 2018-11-20 | 2018-11-20 | Anti-scouring stop valve with replaceable valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811379833.8A CN109185467B (en) | 2018-11-20 | 2018-11-20 | Anti-scouring stop valve with replaceable valve seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109185467A true CN109185467A (en) | 2019-01-11 |
| CN109185467B CN109185467B (en) | 2024-06-18 |
Family
ID=64940052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811379833.8A Active CN109185467B (en) | 2018-11-20 | 2018-11-20 | Anti-scouring stop valve with replaceable valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109185467B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635973A (en) * | 2022-03-18 | 2022-06-17 | 南方阀门科技有限公司 | Main steam high-temperature high-pressure valve seat-replaceable stop valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH307085A (en) * | 1952-12-11 | 1955-05-15 | Sulzer Ag | High pressure valve. |
| EP0134866A2 (en) * | 1983-07-18 | 1985-03-27 | Kerotest Manufacturing Corporation | On-off valve |
| CN201687971U (en) * | 2009-11-30 | 2010-12-29 | 南通龙源电站阀门有限公司 | Wedge-type gate valve |
| CN103742693A (en) * | 2014-01-23 | 2014-04-23 | 章华 | High-pressure-difference adjusting valve structure |
| CN105736722A (en) * | 2014-12-12 | 2016-07-06 | 陈松 | Y-shaped stop valve with replaceable valve seat |
| CN205560259U (en) * | 2016-04-15 | 2016-09-07 | 李建通 | Hide scour prevention trap of sealed face |
| CN207112078U (en) * | 2017-07-31 | 2018-03-16 | 南通红星高压阀门有限公司 | A kind of stop valve |
| CN209294415U (en) * | 2018-11-20 | 2019-08-23 | 南通龙源电站阀门有限公司 | A kind of antiscour valve with changeable valve seat shut-off valve |
-
2018
- 2018-11-20 CN CN201811379833.8A patent/CN109185467B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH307085A (en) * | 1952-12-11 | 1955-05-15 | Sulzer Ag | High pressure valve. |
| EP0134866A2 (en) * | 1983-07-18 | 1985-03-27 | Kerotest Manufacturing Corporation | On-off valve |
| CN201687971U (en) * | 2009-11-30 | 2010-12-29 | 南通龙源电站阀门有限公司 | Wedge-type gate valve |
| CN103742693A (en) * | 2014-01-23 | 2014-04-23 | 章华 | High-pressure-difference adjusting valve structure |
| CN105736722A (en) * | 2014-12-12 | 2016-07-06 | 陈松 | Y-shaped stop valve with replaceable valve seat |
| CN205560259U (en) * | 2016-04-15 | 2016-09-07 | 李建通 | Hide scour prevention trap of sealed face |
| CN207112078U (en) * | 2017-07-31 | 2018-03-16 | 南通红星高压阀门有限公司 | A kind of stop valve |
| CN209294415U (en) * | 2018-11-20 | 2019-08-23 | 南通龙源电站阀门有限公司 | A kind of antiscour valve with changeable valve seat shut-off valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635973A (en) * | 2022-03-18 | 2022-06-17 | 南方阀门科技有限公司 | Main steam high-temperature high-pressure valve seat-replaceable stop valve |
| CN114635973B (en) * | 2022-03-18 | 2023-09-12 | 南方阀门科技有限公司 | Main steam high-temperature high-pressure replaceable valve seat stop valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109185467B (en) | 2024-06-18 |
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