CN107355557A - A kind of floating valve seat high-performance regulating valve - Google Patents
A kind of floating valve seat high-performance regulating valve Download PDFInfo
- Publication number
- CN107355557A CN107355557A CN201710814960.5A CN201710814960A CN107355557A CN 107355557 A CN107355557 A CN 107355557A CN 201710814960 A CN201710814960 A CN 201710814960A CN 107355557 A CN107355557 A CN 107355557A
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- Prior art keywords
- valve
- floating
- seat
- plate
- mounting groove
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Links
- 238000007667 floating Methods 0.000 title claims abstract description 69
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 241000283216 Phocidae Species 0.000 claims description 57
- 230000000694 effects Effects 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009991 scouring Methods 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0673—Composite packings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of floating valve seat high-performance regulating valve, including valve body, valve rod and valve plate, valve body one end is provided with pressing plate mounting groove, one piece of positioning pressuring plate is provided with pressing plate mounting groove, medium through hole is provided with the middle part of positioning pressuring plate, seal receptacle mounting groove is provided with the internal face of medium through hole, floating seal seat for being sealed with valve plate is installed in seal receptacle mounting groove, floating seal seat is provided with the first sealing ring away from valve plate end, and first sealing ring and seal receptacle mounting groove internal face between leave the first regulation gap, floating seal seat radial floating in the first regulation gap；Self sealing structure is provided with floating seal seat.Above-mentioned technical proposal, reasonable in design, simple in construction, good airproof performance, be not easy to leak, service life is long, attended operation is easy and practicality is good.
Description
Technical field
The present invention relates to valve technology field, and in particular to a kind of floating valve seat high-performance regulating valve.
Background technology
Traditional regulating valve, its valve rod are fixedly connected with valve plate, and when pressure is higher in valve body, valve rod can be by medium
Scouring force, be deformed and shake, and valve plate can occur with the skew of valve rod it is poorly sealed, valve plate motion accuracy and
Kinematic accuracy is deteriorated；More situations are, the drive shaft of valve rod and actuator generally not on the same axis, is deposited after valve assembling
In larger error, after valve rod is connected with drive shaft, valve rod can produce certain deflection, not only influence valve rod itself action
Flexibility, while also largely influence valve core movement accuracy and kinematic accuracy, finally also result in appearance and seal not
Sternly, so as to cause to leak, service life is short, maintenance operation trouble, poor practicability.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide it is a kind of it is reasonable in design, simple in construction,
Good airproof performance, be not easy to leak, service life is long, the floating valve seat high-performance regulating valve that attended operation is easy and practicality is good.
To achieve the above object, the invention provides following technical scheme：A kind of floating valve seat high-performance regulating valve, including
Valve body, valve rod and valve plate, valve pocket is provided with the valve body, the valve plate is arranged in valve pocket, and valve is inserted in the valve rod lower end
Intracavitary, and valve rod lower end is detachably connected with valve plate；Described valve body one end is provided with pressing plate mounting groove, in the pressing plate mounting groove
It is provided with one piece of positioning pressuring plate, is provided with a medium through hole in the middle part of the positioning pressuring plate, on the internal face of the medium through hole
Seal receptacle mounting groove is provided with, the floating seal seat for being sealed with valve plate is installed in the seal receptacle mounting groove, it is described floating
Dynamic sealing seat is provided with the first sealing ring away from valve plate end, and is left between the internal face of the first sealing ring and seal receptacle mounting groove
First regulation gap, floating seal seat radial floating in the first regulation gap；It is provided with the floating seal seat certainly
Sealing structure, the self sealing structure include a U-type groove being arranged on floating seal seat, one are provided with the U-type groove
Individual second sealing ring, the outer of floating seal seat and valve plate make it that under the effect of the elastic force of first sealing ring and the second sealing ring
Surface, which is formed, to be tightly connected.
By using above-mentioned technical proposal, valve plate opens and closes under the drive of valve rod on floating seal seat；Floating seal seat
It is connected by positioning pressuring plate with valve body, floating seal seat is spacing；Floating seal seat radial floating in the first regulation gap；From
Sealing structure is simple in construction, and self sealss performance is good, make it that floating is close under the effect of the elastic force of the first sealing ring and the second sealing ring
Seal outer surface of the seat all the time with valve plate and form sealing；Reasonable in design, simple in construction, good airproof performance, it is not easy to leak, using the longevity
Life is long, attended operation is easy and practicality is good.
The present invention is further arranged to：The second regulation gap is left between the floating seal seat and positioning pressuring plate, is floated
The 3rd regulation gap is provided between seal receptacle and valve body, the floating seal seat is in the second regulation gap and the 3rd regulation gap
It is interior to carry out axial floating.By this setting, structure setting is more reasonable, and sealing property is more preferable.
The present invention is further arranged to：It is close that the 3rd is provided between the internal face of positioning pressuring plate and the pressing plate mounting groove
Seal, the 3rd sealing ring are O-ring seal.By this setting, structure setting is more reasonable, and sealing property is more preferable.
The present invention is further arranged to：The valve rod lower end is equipped with multiple straight pins, and valve rod lower end passes through straight pin
It is connected with valve plate.By this setting, valve rod is easy to connect with valve plate, fixed reliable.
The present invention is further arranged to：The valve body is located at valve pocket top position and is provided with a valve handle activity hole, institute
State and a bearing holder (housing, cover) is provided with valve handle activity hole, the valve rod upper end is set through bearing holder (housing, cover).Pass through this setting, structure setting
More rationally, valve rod is convenient to mount and dismount, reliable operation.
The present invention is further arranged to：Valve handle activity hole upper end is provided with Packing seat, and the Packing seat is socketed in
On valve rod, and airtight and watertight padding is filled with above Packing seat, gland, the gland are provided with above the airtight and watertight padding
It is detachably connected with valve body.By this setting, structure setting is more reasonable, good seal performance.
It is an advantage of the invention that：Compared with prior art, structure setting of the present invention is more reasonable, drive of the valve plate in valve rod
Under opened and closed on floating seal seat；Floating seal seat is connected by positioning pressuring plate with valve body, and floating seal seat is spacing；Float close
Seal seat radial floating in the first regulation gap；Self sealing structure is simple in construction, and self sealss performance is good, in the first sealing ring and
The elastic force effect of two sealing rings is lower to cause floating seal seat is formed with the outer surface of valve plate all the time to seal；Reasonable in design, knot
Structure is simple, good airproof performance, be not easy to leak, service life is long, attended operation is easy and practicality is good.
With reference to Figure of description and specific embodiment, the invention will be further described.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the enlarged diagram in I portions in Fig. 1.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of floating valve seat high-performance regulating valve disclosed by the invention, including valve body 1, valve rod 2 and valve
Plate 3, valve pocket 11 is provided with the valve body 1, the valve plate 3 is arranged in valve pocket 11, and valve pocket 11 is inserted in the lower end of valve rod 2
It is interior, and the lower end of valve rod 2 is detachably connected with valve plate 3；Described one end of valve body 1 is provided with pressing plate mounting groove 12, the pressing plate installation
One piece of positioning pressuring plate 4 is provided with groove 12, the middle part of positioning pressuring plate 4 is provided with a medium through hole 41, the medium through hole
Seal receptacle mounting groove 42 is provided with 41 internal face, is provided with the seal receptacle mounting groove 42 for sealing with valve plate 3
Floating seal seat 5, the floating seal seat 5 are provided with the first sealing ring 6, and the first sealing ring 6 and seal receptacle away from valve plate end
The first regulation gap 7 is left between the internal face of mounting groove 42, the floating seal seat 5 is radially floating in the first regulation gap 7
It is dynamic；Self sealing structure is provided with the floating seal seat 5, the self sealing structure includes one be arranged on floating seal seat 5
Individual U-type groove 51, second sealing ring 8 is provided with the U-type groove 51, in the sealing ring 8 of the first sealing ring 6 and second
Elastic force effect lower cause the outer surface of floating seal seat 5 and valve plate 3 is formed to be tightly connected.
As preferable, the second regulation gap 9, floating seal seat are left between the floating seal seat 5 and positioning pressuring plate 4
The 3rd regulation gap 10 is provided between 5 and valve body 1, the floating seal seat 5 adjusts gap in the second regulation gap 9 and the 3rd
Axial floating is carried out in 10.
The 3rd sealing ring 13 is provided between the internal face of the positioning pressuring plate 4 and pressing plate mounting groove 12, the described 3rd is close
Seal 13 is O-ring seal.
The positioning pressuring plate 4 is connected by screw with valve body 1 and fixed or by being welded and fixed.
The sealing ring 8 of first sealing ring 6 and second is O-ring seal.
The lower end of valve rod 2 is equipped with multiple straight pins 14, and the lower end of valve rod 2 is connected by straight pin 14 and valve plate 3.
The valve body 1 is located at the top position of valve pocket 11 and is provided with a valve handle activity hole 15, in the valve handle activity hole 15
A bearing holder (housing, cover) 16 is provided with, the upper end of valve rod 1 is set through bearing holder (housing, cover) 16.
The upper end of valve handle activity hole 15 is provided with Packing seat 17, and the Packing seat 17 is socketed on valve rod 2, and Packing seat
17 tops are filled with airtight and watertight padding 18, and the top of airtight and watertight padding 18 is provided with gland 19, the gland 19 and valve
Body 1 is detachably connected.As preferable, gland 19 is threadedly coupled with valve handle activity hole 15 or gland 19 and valve body 1
Upper end is fixed by existing mode connects for screw.
During practical application, valve plate opens and closes under the drive of valve rod on floating seal seat；Floating seal seat is pressed by positioning
Plate is connected with valve body, and floating seal seat is spacing；Floating seal seat radial floating in the first regulation gap, in automatic capturing
The heart；Self sealing structure is simple in construction, and self sealss performance is good, causes under the effect of the elastic force of the first sealing ring and the second sealing ring floating
Dynamic sealing seat forms with the outer surface of valve plate seal all the time；Reasonable in design, simple in construction, good airproof performance, it is not easy to leak, makes
With long lifespan, attended operation is easy and practicality is good.
Above-described embodiment is served only for that the present invention is further described, it is impossible to be interpreted as to the specific descriptions of the present invention
Limiting the scope of the present invention, it is non-that the technician of this area according to the content of foregoing invention makes some to the present invention
The modifications and adaptations of essence are each fallen within protection scope of the present invention.
Claims (8)
1. a kind of floating valve seat high-performance regulating valve, including valve body (1), valve rod (2) and valve plate (3), the valve body (1) is interior to be set
There is valve pocket (11), the valve plate (3) is arranged in valve pocket (11), in valve rod (2) the lower end insertion valve pocket (11), and valve rod
(2) lower end is detachably connected with valve plate (3)；It is characterized in that：Described valve body (1) one end is provided with pressing plate mounting groove (12), institute
State and one piece of positioning pressuring plate (4) is provided with pressing plate mounting groove (12), a medium through hole is provided with the middle part of the positioning pressuring plate (4)
(41) seal receptacle mounting groove (42), is provided with the internal face of the medium through hole (41), the seal receptacle mounting groove (42) is interior
It is provided with and valve plate end is provided with first for the floating seal seat (5) with valve plate (3) sealing, the floating seal seat (5)
Sealing ring (6), and the first regulation gap (7), institute are left between the internal face of the first sealing ring (6) and seal receptacle mounting groove (42)
State floating seal seat (5) and adjust gap (7) interior radial floating first；Self sealss knot is provided with the floating seal seat (5)
Structure, the self sealing structure include a U-type groove (51) being arranged on floating seal seat (5), set in the U-type groove (51)
There is second sealing ring (8), make it that floating is close under the effect of the elastic force of first sealing ring (6) and the second sealing ring (8)
The outer surface for sealing seat (5) and valve plate (3) forms sealed connection.
A kind of 2. floating valve seat high-performance regulating valve according to claim 1, it is characterised in that：The floating seal seat
(5) the second regulation gap (9) is left between positioning pressuring plate (4), the 3rd is provided between floating seal seat (5) and valve body (1)
Adjust gap (10), the floating seal seat (5) carries out axially floating in the second regulation gap (9) and the 3rd regulation gap (10)
It is dynamic.
A kind of 3. floating valve seat high-performance regulating valve according to claim 2, it is characterised in that：The positioning pressuring plate (4)
The 3rd sealing ring (13) is provided between the internal face of pressing plate mounting groove (12), the 3rd sealing ring (13) is O-shaped sealing
Circle.
A kind of 4. floating valve seat high-performance regulating valve according to claim 3, it is characterised in that：The positioning pressuring plate (4)
It is connected by screw and fixes or by being welded and fixed with valve body (1).
A kind of 5. floating valve seat high-performance regulating valve according to claim 1 or 4, it is characterised in that：First sealing
It is O-ring seal to enclose (6) and the second sealing ring (8).
A kind of 6. floating valve seat high-performance regulating valve according to claim 5, it is characterised in that：Valve rod (2) lower end
Multiple straight pins (14) are equipped with, valve rod (2) lower end is connected by straight pin (14) and valve plate (3).
A kind of 7. floating valve seat high-performance regulating valve according to claim 6, it is characterised in that：The valve body (1) is located at
Valve pocket (11) top position is provided with a valve handle activity hole (15), and a bearing holder (housing, cover) is provided with the valve handle activity hole (15)
(16), valve rod (1) upper end is set through bearing holder (housing, cover) (16).
A kind of 8. floating valve seat high-performance regulating valve according to claim 7, it is characterised in that：The valve handle activity hole
(15) upper end is provided with Packing seat (17), and the Packing seat (17) is socketed on valve rod (2), and is filled with above Packing seat (17)
Airtight and watertight padding (18), airtight and watertight padding (18) top are provided with gland (19), the gland (19) and valve body (1)
It is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814960.5A CN107355557A (en) | 2017-09-12 | 2017-09-12 | A kind of floating valve seat high-performance regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814960.5A CN107355557A (en) | 2017-09-12 | 2017-09-12 | A kind of floating valve seat high-performance regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107355557A true CN107355557A (en) | 2017-11-17 |
Family
ID=60291482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710814960.5A Pending CN107355557A (en) | 2017-09-12 | 2017-09-12 | A kind of floating valve seat high-performance regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107355557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612853A (en) * | 2018-07-16 | 2018-10-02 | 浙江贝尔控制阀门有限公司 | Floating type high-performance butterfly valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201436427U (en) * | 2009-07-10 | 2010-04-07 | 上海华通阀门有限公司 | Bidirectional metal seal butterfly valve with a float valve base |
| CN201973254U (en) * | 2011-04-25 | 2011-09-14 | 浙江贝尔控制阀门有限公司 | Butterfly valve |
| CN203500514U (en) * | 2013-09-22 | 2014-03-26 | 浙江贝尔控制阀门有限公司 | Eccentric butterfly valve with two inclined planes |
| CN207195737U (en) * | 2017-09-12 | 2018-04-06 | 浙江贝尔控制阀门有限公司 | A kind of floating valve seat high-performance regulating valve |
-
2017
- 2017-09-12 CN CN201710814960.5A patent/CN107355557A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201436427U (en) * | 2009-07-10 | 2010-04-07 | 上海华通阀门有限公司 | Bidirectional metal seal butterfly valve with a float valve base |
| CN201973254U (en) * | 2011-04-25 | 2011-09-14 | 浙江贝尔控制阀门有限公司 | Butterfly valve |
| CN203500514U (en) * | 2013-09-22 | 2014-03-26 | 浙江贝尔控制阀门有限公司 | Eccentric butterfly valve with two inclined planes |
| CN207195737U (en) * | 2017-09-12 | 2018-04-06 | 浙江贝尔控制阀门有限公司 | A kind of floating valve seat high-performance regulating valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612853A (en) * | 2018-07-16 | 2018-10-02 | 浙江贝尔控制阀门有限公司 | Floating type high-performance butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |
|
| RJ01 | Rejection of invention patent application after publication |