CN106545661A - A kind of new stifled valve - Google Patents

A kind of new stifled valve Download PDF

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Publication number
CN106545661A
CN106545661A CN201611053928.1A CN201611053928A CN106545661A CN 106545661 A CN106545661 A CN 106545661A CN 201611053928 A CN201611053928 A CN 201611053928A CN 106545661 A CN106545661 A CN 106545661A
Authority
CN
China
Prior art keywords
valve body
valve
packing ring
filler unit
closure plate
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.)
Pending
Application number
CN201611053928.1A
Other languages
Chinese (zh)
Inventor
吴振宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANTONG LONGYUAN POWER VALVE CO Ltd
Original Assignee
NANTONG LONGYUAN POWER VALVE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NANTONG LONGYUAN POWER VALVE CO Ltd filed Critical NANTONG LONGYUAN POWER VALVE CO Ltd
Priority to CN201611053928.1A priority Critical patent/CN106545661A/en
Publication of CN106545661A publication Critical patent/CN106545661A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/16Lift 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 with pivoted closure-members
    • F16K1/18Lift 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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/20Lift 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 with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/16Lift 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 with pivoted closure-members
    • F16K1/18Lift 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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/20Lift 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 with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2028Details of bearings for the axis of rotation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/16Lift 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 with pivoted closure-members
    • F16K1/18Lift 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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/20Lift 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 with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2042Special features or arrangements of the sealing
    • F16K1/2078Sealing means for the axis of rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The present invention relates to a kind of new stifled valve, including a valve body, there is the runner for holding flow of media, while also respectively with the inlet, a liquid outlet being connected with runner on valve body in the valve body;One valve gap, the valve gap are arranged on the right-hand member of valve body and are cooperated with valve body, while having the groove for holding that valve gap is installed on valve body, the upper end of the valve gap is mutually fixed with valve body by cover plate;One opening/closing component, the opening/closing component includes a valve seat being arranged on valve body and one is located at the closure plate in valve body, and the sealing surface of valve seat collectively forms sealing pair with the sealing surface of closure plate, and the closure plate is arranged in valve body by a swing mechanism.It is an advantage of the current invention that:The working method swung using closure plate, is capable of achieving the switching of two kinds of different operating modes without the need for repeated disassembled and assembled part, very convenient.

Description

A kind of new stifled valve
Technical field
The present invention relates to a kind of stifled valve, it is specifically a kind of without the need for repeat to remove part can complete the water pressure test with The new stifled valve of normal work operating mode switching.
Background technology
Stifled valve blocks one of class valve as most important, plays an important role in electric power and aerospace field. Used as the critical elements of steam power plant, stifled valve realizes medium and the function such as conveys, blocks, and its sealing property is directly influenced The safe and reliable operation of steam power plant.The influence factor and affecting laws of the stifled valve sealing characteristics of research typical case, it is close to valve The secondary structure design of envelope has directive significance, so as to improve the sealing property and reliability of valve.
At present, traditional stifled valve is as shown in figure 1, including a valve body 1, have the runner for holding that medium passes through in valve body 1, A valve seat is installed in valve body 1, support plate 2, the blind plate 3 of a pair of phase interworkings, and support plate 2, the sealing surface of blind plate 3 is also equipped with Sealing pair is collectively forming with the sealing surface on valve seat, also there is a matched valve gap 7 in the right-hand member of valve body 1, the valve gap 7 Upper end is fixed by cover plate 11.This valve when being operated, needs first valve gap 7, cover plate 11 are removed after, by support plate 2, After blind plate 3 replaces with guide shell 19, as shown in Fig. 2 normal work after fixing valve gap 7, cover plate 11 again, can be carried out, and working as needs When carrying out the water pressure test, after valve gap 7, cover plate 11 are first removed by needs, after guide shell 19 is replaced with support plate 2, blind plate 3, After fixing valve gap 7, cover plate 11 again, the water pressure test can be carried out.Under both different operating modes, needs carry out tearing open back and forth Except, replace, unusual trouble.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of new stifled valve, without the need for repeating complete hydraulic pressure by removing part Test is switched with normal work operating mode.
To solve above-mentioned technical problem, the technical scheme is that:A kind of new stifled valve, its innovative point is:Including
One valve body, have the runner for holding flow of media in the valve body, while also respectively with being connected with runner on valve body One inlet, a liquid outlet;
One valve gap, the valve gap are arranged on the right-hand member of valve body and are cooperated with valve body, while have on valve body holding valve gap peace The groove of dress, the upper end of the valve gap are mutually fixed with valve body by cover plate;
One opening/closing component, the opening/closing component includes a valve seat being arranged on valve body and one is located at the closure plate in valve body, and The sealing surface of valve seat collectively forms sealing pair with the sealing surface of closure plate, and the closure plate is arranged in valve body by a swing mechanism;
The swing mechanism includes a rotary shaft, and the rotary shaft ecto-entad is horizontally extended in valve body, and rotary shaft is located at valve body The end of outer side is connected with a rotation hand wheel, is fixed with a rocking bar by alignment pin on the rotary shaft, the rocking bar it is another End is connected with closure plate, and the rotation of rotary shaft can drive closure plate to swing up and down so as to open or close runner, in the rotary shaft Filler unit is also set with, and the filler unit is compressed by a gland for being arranged on valve end.
Further, described filler unit includes the right filler for being set with successively from right to left on the rotary shaft and stacking Unit, middle filler unit and left filler unit;
The right filler unit includes a right packing ring, and the right side of the right packing ring is plane, and left side is recessed for one to the right The annular groove that is in the shape of the letter V of section;
The middle filler unit includes some middle packing ring for stacking gradually from right to left, and the right side of middle packing ring is one to the right The annular protrusion that the section of protrusion is in the shape of the letter V, left side are the annular groove that a section being recessed to the right is in the shape of the letter V, so that Obtain entirely middle packing ring and form the circulus that a section is in the shape of the letter V, fill out during right-hand member is located in two adjacent middle packing rings The annular groove of material ring is just fitted together to the annular protrusion of the middle packing ring positioned at left end, and the ring of the middle packing ring positioned at low order end Shape projection is embedded just below in the annular groove of right packing ring left side;
The left filler unit includes a left packing ring, and the left side of the left packing ring is plane, and right side is protruded to the right The annular protrusion that section is in the shape of the letter V, and the annular protrusion is embedded just below in the annular groove of the middle packing ring of high order end.
Further, the right packing ring, middle packing ring and left packing ring are formed by some graphite papers stacking.
It is an advantage of the current invention that:In the present invention, it is improved by the structure to traditional stifled valve, is propped up by original The mode of operation of the mutual replacing of board, blind plate and guide shell is changed to the working method for directly swinging using closure plate, is carrying out During the water pressure test, closure plate is driven to carry out the water pressure test by swinging so as to close runner by swing mechanism, and during normal work, The medium for directly being circulated by opposite direction backs down closure plate or drives closure plate to swing so as to open runner by swing mechanism, without the need for tearing open repeatedly Dress part is capable of achieving the switching of two kinds of different operating modes, very convenient.
Filler unit using right packing ring, middle packing ring and left packing ring stacking by the way of, for the right-hand member of right packing ring The left side of face and left packing ring is by the way of plane, it is ensured that the sealing of the left side of whole filler unit, simultaneously for Middle packing ring is in the form of v-shaped structure, and the left side of right packing ring is separately designed as annular with the right side of left packing ring The fit form of groove, annular protrusion, when making filler receive axial compressive force using the design of this concave-convex V type differential seat angle, radially Deform, be conducive to the sealing between rotary shaft and valve, sealed reliable.
For right packing ring, middle packing ring and left packing ring are molded by the way of some graphite papers stacking is formed, from And have traditional axial direction parcel to change into radially stacked mode, radial deformation is reduced, so that filler is reduced to rotary shaft The normal pressure on surface, reduces frictional resistance.
Description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the schematic diagram of traditional stifled valve.
Fig. 2 is the scheme of installation of the guide shell of traditional stifled valve.
Fig. 3 is the schematic diagram of the new stifled valve of the present invention.
Fig. 4 is the schematic diagram of swing mechanism in new stifled valve of the invention.
Fig. 5 is the schematic diagram of filler unit in new stifled valve of the invention.
Fig. 6 is the schematic diagram of the right packing ring of filler unit in new stifled valve of the invention.
Fig. 7 is the schematic diagram of the middle packing ring of the v-shaped structure valve stem packing of the present invention.
Fig. 8 is the schematic diagram of the left packing ring of the v-shaped structure valve stem packing of the present invention.
Specific embodiment
The following examples can make professional and technical personnel that the present invention is more fully understood, but not therefore by this It is bright be limited in described scope of embodiments among.
A kind of new stifled valve as shown in Fig. 3-Fig. 8, including
One valve body 11, has the runner 12 for holding flow of media in the valve body 11, while also having respectively and runner on valve body 11 12 inlets being connected, a liquid outlet.
One valve gap 13, the valve gap 13 are arranged on the right-hand member of valve body 11 and are cooperated with valve body 11, while on valve body 11 With the groove that valve gap 13 is installed is held, sealing ring 15 is additionally provided between valve gap 13 and valve body 11, the upper end of valve gap 13 passes through Cover plate 14 is mutually fixed with valve body 11, is bolted fixation between cover plate 14 and valve gap 13, cover plate 14 medium position also Lifting bolt 16 is provided with, is fixed by pendant collet 17 between cover plate 14 and valve body 11.
One opening/closing component, the opening/closing component include that a valve seat 18 and being arranged on valve body 11 is located in valve body 11 Closure plate 19, and the sealing surface of valve seat 18 collectively forms sealing pair with the sealing surface of closure plate 19, closure plate 18 is pacified by a swing mechanism It is mounted in valve body 11, and can be swung up and down by swing mechanism drive.
Schematic diagram as shown in Figure 4 understands that swing mechanism includes a rotary shaft 21, and the 21 ecto-entad level of rotary shaft is stretched Enter in valve body 11, and the end of side of the rotary shaft 21 outside valve body 11 is connected with a rotation hand wheel 22, in rotary shaft 21 One rocking bar 20 is fixed with by alignment pin 23, the other end of the rocking bar 20 is connected with closure plate 18, and the rotation of rotary shaft 21 can band Dynamic closure plate 18 is swung up and down so as to open or close runner 12, and filler unit 24, and the filler list are also set with rotary shaft 21 Unit 24 is compressed by a gland 25 for being arranged on valve end.
It is improved by the structure to traditional stifled valve, by the mutual replacing of original support plate, blind plate and guide shell Mode of operation be changed to directly using closure plate 18 swing working method, when the water pressure test is carried out, by swing mechanism drive Dynamic closure plate 18 carries out the water pressure test by swinging so as to close runner 12, and during normal work, Jie for directly being circulated by opposite direction Matter is backed down closure plate 18 or drives closure plate 18 to swing so as to open runner 12 by swing mechanism, is capable of achieving without the need for repeated disassembled and assembled part The switching of two kinds of different operating modes, it is very convenient.
Schematic diagram as shown in Figure 5 understands that filler unit 24 includes being sleeved on successively in rotary shaft 21 from right to left and heap Folded right filler unit, middle filler unit and left filler unit, and the right-hand member of right filler unit pressed by gland 25 Tightly, the condiment gland 25 is bolted on the end of valve body 11, and the left end of left filler unit is additionally provided with a filler pad 26。
Right filler unit includes a right packing ring 1, as shown in fig. 6, the right side of the right packing ring 1 is plane, left side For the annular groove 2 that the section that is recessed upwards is in the shape of the letter V.
Middle filler unit includes some middle packing ring 3 for stacking gradually from right to left, as shown in fig. 7, the right side of middle packing ring 3 End face is the annular protrusion 4 that a section protruding upward is in the shape of the letter V, and left side is the ring that a section being recessed upwards is in the shape of the letter V Connected in star 5, so that packing ring 3 forms the circulus that a section is in the shape of the letter V, two adjacent middle packing rings 3 in whole In be located at right-hand member the annular groove 5 of middle packing ring 3 be just fitted together to the annular protrusion 4 of the middle packing ring 3 positioned at left end, and be located at The annular protrusion 4 of the middle packing ring 3 of low order end is embedded just below in the annular groove 2 of 1 left side of right packing ring.
Left filler unit includes a left packing ring 6, as shown in figure 8, the left side of the left packing ring 6 is plane, right side For the annular protrusion 7 that section protruding upward is in the shape of the letter V, and the annular protrusion 7 is embedded just below the middle packing ring 3 positioned at high order end Annular groove 5 in.
Right packing ring 1, middle packing ring 3 and left packing ring 6 are formed by some graphite papers stacking.For right packing ring 1, in Packing ring 3 and left packing ring 6 are molded by the way of some graphite papers stacking is formed, so as to there is traditional axial direction parcel to change For radially stacked mode, radial deformation is reduced, so as to reduce normal pressure of the filler to stem surface, reduce friction resistance Power.
Filler unit in the present invention using right packing ring 1, middle packing ring 3 and left packing ring 6 stacking by the way of, for the right side The left side of the right side of packing ring 1 and left packing ring 6 is by the way of plane, it is ensured that the upper left side of whole filler unit Sealing, simultaneously for middle packing ring 3 in the form of v-shaped structure, and the right side of the left side of right packing ring 1 and left packing ring 6 End face separately designs the fit form for annular groove, annular protrusion, receives filler using the design of this concave-convex V type differential seat angle During axial compressive force, deform in radial direction, be conducive to the sealing at valve rod position, sealed reliable.
It should be understood by those skilled in the art that, the present invention is not restricted to the described embodiments, above-described embodiment and explanation Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has Various changes and modifications, these changes and improvements are both fallen within scope of the claimed invention.The claimed scope of the invention By appending claims and its equivalent thereof.

Claims (3)

1. a kind of new stifled valve, it is characterised in that:Including
One valve body, have the runner for holding flow of media in the valve body, while also respectively with being connected with runner on valve body One inlet, a liquid outlet;
One valve gap, the valve gap are arranged on the right-hand member of valve body and are cooperated with valve body, while have on valve body holding valve gap peace The groove of dress, the upper end of the valve gap are mutually fixed with valve body by cover plate;
One opening/closing component, the opening/closing component includes a valve seat being arranged on valve body and one is located at the closure plate in valve body, and The sealing surface of valve seat collectively forms sealing pair with the sealing surface of closure plate, and the closure plate is arranged in valve body by a swing mechanism;
The swing mechanism includes a rotary shaft, and the rotary shaft ecto-entad is horizontally extended in valve body, and rotary shaft is located at valve body The end of outer side is connected with a rotation hand wheel, is fixed with a rocking bar by alignment pin on the rotary shaft, the rocking bar it is another End is connected with closure plate, and the rotation of rotary shaft can drive closure plate to swing up and down so as to open or close runner, in the rotary shaft Filler unit is also set with, and the filler unit is compressed by a gland for being arranged on valve end.
2. new stifled valve according to claim 1, it is characterised in that:Described filler unit includes being set with successively from right to left On the rotary shaft and stack right filler unit, middle filler unit and left filler unit;
The right filler unit includes a right packing ring, and the right side of the right packing ring is plane, and left side is recessed for one to the right The annular groove that is in the shape of the letter V of section;
The middle filler unit includes some middle packing ring for stacking gradually from right to left, and the right side of middle packing ring is one to the right The annular protrusion that the section of protrusion is in the shape of the letter V, left side are the annular groove that a section being recessed to the right is in the shape of the letter V, so that Obtain entirely middle packing ring and form the circulus that a section is in the shape of the letter V, fill out during right-hand member is located in two adjacent middle packing rings The annular groove of material ring is just fitted together to the annular protrusion of the middle packing ring positioned at left end, and the ring of the middle packing ring positioned at low order end Shape projection is embedded just below in the annular groove of right packing ring left side;
The left filler unit includes a left packing ring, and the left side of the left packing ring is plane, and right side is protruded to the right The annular protrusion that section is in the shape of the letter V, and the annular protrusion is embedded just below in the annular groove of the middle packing ring of high order end.
3. new stifled valve according to claim 2, it is characterised in that:The right packing ring, middle packing ring and left packing ring Formed by some graphite papers stacking.
CN201611053928.1A 2016-11-25 2016-11-25 A kind of new stifled valve Pending CN106545661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611053928.1A CN106545661A (en) 2016-11-25 2016-11-25 A kind of new stifled valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611053928.1A CN106545661A (en) 2016-11-25 2016-11-25 A kind of new stifled valve

Publications (1)

Publication Number Publication Date
CN106545661A true CN106545661A (en) 2017-03-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611053928.1A Pending CN106545661A (en) 2016-11-25 2016-11-25 A kind of new stifled valve

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110608292A (en) * 2019-09-30 2019-12-24 中国船舶重工集团公司第七一九研究所 Shipboard locking valve

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5156374A (en) * 1989-11-30 1992-10-20 Fort Vale Engineering Limited Valve assembly
CN2236054Y (en) * 1995-09-25 1996-09-25 王珍存 Swing-butterfly valve
CN2679452Y (en) * 2004-03-04 2005-02-16 倪静丰 Combined filler
CN201621336U (en) * 2010-03-01 2010-11-03 浙江东亚阀门有限公司 Cushion swing check valve
CN201866347U (en) * 2010-11-09 2011-06-15 南通龙源电站阀门有限公司 Swing check valve
CN202432029U (en) * 2011-11-15 2012-09-12 浙江迎日阀门制造有限公司 Swing slow closing check valve
CN202901394U (en) * 2012-10-10 2013-04-24 南通龙源电站阀门有限公司 Oblique flap swing check valve
CN203202310U (en) * 2013-04-22 2013-09-18 特尔控股集团有限公司 Built-in type check valve
CN206221681U (en) * 2016-11-25 2017-06-06 南通龙源电站阀门有限公司 A kind of new stifled valve

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5156374A (en) * 1989-11-30 1992-10-20 Fort Vale Engineering Limited Valve assembly
CN2236054Y (en) * 1995-09-25 1996-09-25 王珍存 Swing-butterfly valve
CN2679452Y (en) * 2004-03-04 2005-02-16 倪静丰 Combined filler
CN201621336U (en) * 2010-03-01 2010-11-03 浙江东亚阀门有限公司 Cushion swing check valve
CN201866347U (en) * 2010-11-09 2011-06-15 南通龙源电站阀门有限公司 Swing check valve
CN202432029U (en) * 2011-11-15 2012-09-12 浙江迎日阀门制造有限公司 Swing slow closing check valve
CN202901394U (en) * 2012-10-10 2013-04-24 南通龙源电站阀门有限公司 Oblique flap swing check valve
CN203202310U (en) * 2013-04-22 2013-09-18 特尔控股集团有限公司 Built-in type check valve
CN206221681U (en) * 2016-11-25 2017-06-06 南通龙源电站阀门有限公司 A kind of new stifled valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110608292A (en) * 2019-09-30 2019-12-24 中国船舶重工集团公司第七一九研究所 Shipboard locking valve
CN110608292B (en) * 2019-09-30 2024-06-25 中国船舶重工集团公司第七一九研究所 Marine side locking valve

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Application publication date: 20170329