CN102537503A - Valve filler sealing device - Google Patents
Valve filler sealing device Download PDFInfo
- Publication number
- CN102537503A CN102537503A CN2010106059871A CN201010605987A CN102537503A CN 102537503 A CN102537503 A CN 102537503A CN 2010106059871 A CN2010106059871 A CN 2010106059871A CN 201010605987 A CN201010605987 A CN 201010605987A CN 102537503 A CN102537503 A CN 102537503A
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- CN
- China
- Prior art keywords
- sealing seat
- valve
- stuffing box
- seal arrangement
- packing seal
- 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
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Classifications
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- 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
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
- F16K41/043—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing for spindles which only rotate, i.e. non-rising spindles
- F16K41/046—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing for spindles which only rotate, i.e. non-rising spindles for rotating valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a valve filler sealing device, comprising a sealing base, a filler box and a filler pressing cover. A floating ring sleeved on a valve rod is arranged at the lower part of an inner cavity of the sealing base, the filler box is arranged at the upper part of the inner cavity of the sealing base, fillers are arranged in the filler box, and the filler pressing cover is tightly pressed on the fillers, wherein the sealing base is formed by combining two half body structures, and the filler box is formed by combining two half body structures. The angle-floating sealing device disclosed by the invention is simple in structure, is convenient for the mounting and replacement of the floating ring and the sealed fillers, brings great convenience to the maintenance and repair of equipment, and is good in sealing effect.
Description
Technical field
The invention belongs to field of sealing technology, be specifically related to a kind of valve packing seal arrangement that is applied on pipeline hot-blast valve, the perpendicular type gate valve.
Background technique
Valve is an imperative equipment in the pipeline.The sealing configuration at valve packing place generally comprises sealing seat, Stuffing box and Gland; The bottom of said sealing seat inner chamber is provided with the floating ring that is set on the valve rod; Said Stuffing box is located at the top of said sealing seat inner chamber; In the said Stuffing box filler is set, said Gland is pressed on the said filler.It is the problem that often occurs during valve uses that stem packing place of valve is leaked, so the device maintenance personnel need often to change stuffing box packing.Because the agent structure of existing sealing seat, Stuffing box is the cylindric of one; When changing filler or floating ring; Need sealing seat, Stuffing box Gland and outside component thereof all be disassembled one by one just and can carry out; Thereby restricted the speed of changing filler, prolonged the required time of changing.How can change filler quickly and efficiently, to guarantee that valve rod does not have leakage, be problem demanding prompt solution.
Summary of the invention
Technical problem to be solved by this invention provides a kind of valve packing seal arrangement that makes things convenient for stuffing box packing to install, change, shorten greatly engineering time and saving maintenance expenses.
In order to solve the problems of the technologies described above, the present invention has adopted following technological scheme: a kind of valve packing seal arrangement comprises sealing seat, Stuffing box and Gland; The bottom of said sealing seat inner chamber is provided with the floating ring that is set on the valve rod; Said Stuffing box is located at the top of said sealing seat inner chamber, in the said Stuffing box filler is set, and said Gland is pressed on the said filler; Wherein, said sealing seat is formed by two halfbody textural associations; Said Stuffing box is formed by two halfbody textural associations.
As preferably, two halfbody structures of said sealing seat are about the middle vertical plane symmetry of said sealing seat; Two halfbody structures of said Stuffing box are about the middle vertical plane symmetry of said Stuffing box.
As preferably, be respectively equipped with a pair of lug on two halfbody structures of said sealing seat, connect through fastening piece between the said lug that is docking together respectively.
As preferably, on the periphery of two halfbody structures of said Stuffing box all correspondence offer at least one first annular groove, be embedded in said first annular groove and be used for circlip or spring that two said halfbody structures are tightened together.
As preferably; Offer corresponding second annular groove of quantity of quantity and said floating ring on the inwall of said sealing seat bottom; Said floating ring is located in said second annular groove, and can radially float along with moving radially in said second annular groove of said valve rod.
As preferably, the internal diameter of said second annular groove is greater than the external diameter of said floating ring.
As preferably, the outside top of said sealing seat is provided with first flange, and said Stuffing box outside is provided with second flange, and said first flange is connected through fastening piece with second flange.
As preferably; The outside lower end of said sealing seat is provided with cylndrical surface and the lower end surface that the counterbore at the valve rod hole place on the valve gap with said valve cooperates; The outside bottom of said sealing seat is provided with the 3rd flange, and said sealing seat can be connected with the valve gap of said valve through said the 3rd flange.
As preferably; Said floating ring is the annulus that is spliced by a plurality of ring section head and the tail; Offer the 3rd annular groove on the excircle of the said floating ring that is spliced by a plurality of ring section head and the tail, be embedded with in said the 3rd annular groove and be used for a plurality of rings section fastening spring that is stitched together.
As preferably, the end face of said ring section is all tangent with the inner cylindrical surface of said floating ring.
Compared with prior art, beneficial effect of the present invention is:
1, because sealing seat and Stuffing box in the valve packing seal arrangement of the present invention all adopt split-type structural; Therefore the installation and the replacing of filler in the Stuffing box have been made things convenient for; Shortened engineering time greatly, saved maintenance expenses, thereby brought great convenience also for plant maintenance and maintenance.
2, the floating ring in the valve packing seal arrangement of the present invention structure is set and set-up mode has effectively guaranteed sealing effect.
Description of drawings
Fig. 1 is the plan structure schematic representation of valve packing seal arrangement of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to sectional drawing.
Fig. 3 is the perspective view of the halfbody structure of the sealing seat in the valve packing seal arrangement of the present invention.
Fig. 4 is the perspective view of the halfbody structure of the Stuffing box in the valve packing seal arrangement of the present invention.
The perspective view that Fig. 5 combines for the halfbody structure of the halfbody structure of the sealing seat in the valve packing seal arrangement of the present invention and Stuffing box.
Fig. 6 is the structural representation of the floating ring in the valve packing seal arrangement of the present invention.
Fig. 7 is the user mode sectional view of valve packing seal arrangement of the present invention.
Fig. 8 is the enlarged view of C part among Fig. 7.
The sectional view of another direction of the user mode of Fig. 9 valve packing seal arrangement of the present invention.
Description of symbols
1-sealing seat 2-floating ring
3-first spring 4-" O " RunddichtringO
5-Stuffing box 6-second spring
7-filler 8-Gland
The 9-first fastening piece 10-second fastening piece
11-the 3rd fastening piece 12-the 4th fastening piece
13-oil supply port 14-metal o-ring
15-sealing seat inner chamber 18-lug
The 19-first annular groove 20-second annular groove
21-ring section 22-end face
23-the 3rd annular groove 24-first flange
The 25-second flange 26-valve gap
27-valve rod 28-cylndrical surface
29-the 3rd flange
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail, but not as to qualification of the present invention.
Fig. 1 is the plan structure schematic representation of valve packing seal arrangement of the present invention.Fig. 2 is that the A-A of Fig. 1 is to sectional drawing.As depicted in figs. 1 and 2; Valve packing seal arrangement of the present invention; Comprise sealing seat 1, Stuffing box 5 and Gland 8, the bottom of the inner chamber of sealing seat 1 is provided with the floating ring 2 on the valve rod that under user mode, will be set in valve, and Stuffing box 5 is located at the top of the inner chamber of sealing seat 1; Filler 7 is set in the Stuffing box 5, and the top of filler 7 is provided for filler 7 is pressed on the Gland 8 in the Stuffing box 5.Gland 8 is fixed on the Stuffing box 5 through the 4th fastening piece 12, and can be through the tightness degree of the 4th fastening piece 12 adjustment fillers 7 in Stuffing box 5.The 4th fastening piece 12 in the present embodiment adopts the combination of bolt, nut and pad, regulates the screw-in of bolt or screws out the tightness degree that just can adjust filler 7.
Fig. 3 is the perspective view of the halfbody structure of the sealing seat in the valve packing seal arrangement of the present invention.Fig. 4 is the perspective view of the halfbody structure of the Stuffing box in the valve packing seal arrangement of the present invention.The perspective view that Fig. 5 combines for the halfbody structure of the halfbody structure of the sealing seat in the valve packing seal arrangement of the present invention and Stuffing box.To shown in Figure 5, sealing seat 1 is formed by two halfbody textural associations as shown in Figure 3 like Fig. 3, and Stuffing box 5 is formed by two halfbody textural associations as shown in Figure 4.Promptly change the structure of integral type in original technology.
As shown in Figure 3, this halfbody structure of sealing seat 1 has made things convenient for the installation and the replacing of floating ring 2.As a kind of preferred version of the present invention, two halfbody structures of sealing seat 1 are about the middle vertical plane symmetry of sealing seat 1, and two such halfbody structures make the easier for installation of floating ring 2, and the manufacturing of himself is also convenient.As shown in Figure 1, two halfbody structures of sealing seat 1 can adopt first fastening piece 9 to connect, and can be further with pin location (not shown).First fastening piece 9 in the present embodiment is the combination of bolt, nut and pad.For two detachable tightening together of halfbody structure are formed sealing seat 1; Present embodiment has adopted such structure: as shown in Figure 1; Be respectively equipped with a pair of lug 18 on two halfbody structures of sealing seat 1, connect through first fastening piece 9 between the lug 18 that is docking together respectively.
As shown in Figure 4, the structure of this split type Stuffing box 5 makes things convenient for the installation and the replacing of filler 7.As a kind of preferred version of the present invention, for the convenience of processing and assembling, two halfbody structures of Stuffing box 5 are about the middle vertical plane symmetry of Stuffing box 5.For two detachable tightening together of halfbody structure are formed Stuffing box 5; Present embodiment has adopted such structure: on the periphery of two halfbody structures of Stuffing box 5 all correspondence offer to be embedded at least one first annular groove, 19, the first annular groove 19 and be used for circlip or spring that two said halfbody structures are tightened together.Promptly offer at least one first annular groove 19 around the periphery of combining two halfbody structures that form Stuffing box 5.First annular groove 19 offer quantity, quantity is set can confirms as required of circlip or spring just, if when Stuffing box 5 is big than the length and width degree then the quantity of first annular groove 19 that need be provided with then more, otherwise then less.The quantity of first annular groove 19 is 2 in the present embodiment.As shown in Figure 2, being used in the present embodiment two said halfbody structures are tightened together, what adopt is first spring 3.Certainly, also can adopt other modes that two said halfbody structures are tightened together, as long as can reach for convenience detach and fastening effect firmly.
As shown in Figure 6; Floating ring 2 is the annulus that are spliced by a plurality of ring section 21 head and the tail; Offer on the excircle by a plurality of rings section floating ring 2 that 21 head and the tail are spliced to be embedded with in the 3rd annular groove 23, the three annular grooves 23 and be used for a plurality of rings section 21 fastening second springs 6 that are stitched together.Certainly, also can adopt other modes that a plurality of ring sections 21 are tightened together, for example wear and can its gathering be the circular elastic member that can it extended out again in a plurality of ring sections 21 inside.
As a kind of preferred version of present embodiment, the end face 22 of a plurality of ring sections 21 is all tangent with the inner cylindrical surface of floating ring 2.Just floating ring 2 tangentially is divided into a plurality of ring sections 21, and then a plurality of ring sections 21 are tightened together.Ring section 21 in the present embodiment is three altogether, can certainly be for more than four.This ring segment structure of floating ring 2 be convenient to the assembling, simultaneously, gas easily from radial direction to external leakage, tangentially dissecing does not influence sealability.
Like Fig. 2, Fig. 3 and shown in Figure 5, because sealing seat 1 adopts two halfbody textural associations to form, so floating ring 2 is just very convenient in the setting of the bottom of the cavity 15 of sealing seat 1.In order to reach better sealing effect.On the inwall of the bottom of sealing seat 1 inner chamber 15, offer corresponding second annular groove 20 of quantity of quantity and floating ring 2, floating ring 2 is located in second annular groove 20, and can radially float along with moving radially in second annular groove 20 of valve rod.As a kind of preferred version of present embodiment, the internal diameter of second annular groove 20 is greater than the external diameter of floating ring 2.Rather than as directly floating ring 2 being arranged in the bottom of sealing seat inner chamber 15 in the existing technology, in order to play better sealing effect, the present invention preferably is employed in a plurality of floating rings 2 is set in the sealing seat 1, forms the floating ring group.Each floating ring 2 is separately positioned in one second annular groove 20.A plurality of second annular grooves 20 have formed the labyrinth form, thereby have increased sealing.Floating ring 2 in the present embodiment is three, and corresponding, second annular groove 20 also is three.
To shown in Figure 5, the top of the outside of sealing seat 1 is provided with first method 24 like Fig. 2, and Stuffing box 5 outsides are provided with second flange, 25, the first flanges 24 and are connected through second fastening piece 10 with second flange 25.Thereby Stuffing box 5 and sealing seat 1 are linked together.
In order to guarantee that further valve packing seal arrangement of the present invention has good sealing effect, fillet, oblique angle or right angle have been led in the bottom of Stuffing box 5, between Stuffing box 5 and sealing seat 1, are provided with to be positioned at the O RunddichtringO 4 on right angle, fillet or the oblique angle.Shown in the present embodiment for to have led the right angle in the bottom of Stuffing box 5, O RunddichtringO 4 is arranged in the right angle.
In order to guarantee the lubricated of angle of the present invention floating seal, 1-2 oil supply port 13 or lubricating cup are set on the sealing seat between two floating rings 21.
Fig. 7 is the user mode sectional view of valve packing seal arrangement of the present invention.Fig. 8 is the enlarged view of C part among Fig. 7.The sectional view of another direction of the user mode of Fig. 9 valve packing seal arrangement of the present invention.Like Fig. 7, Fig. 8 and shown in Figure 9; Sealing seat 1 outside lower end is provided with cylndrical surface 28 and the lower end surface that the counterbore at the place, valve rod 27 holes on the valve gap 26 with valve cooperates; Metal o-ring or temperature resistant rubber pad 14 are set between the lower end surface of sealing seat 1 and the counterbore of valve gap, and bonding with high-temperature plastic.Sealing seat 1 outside bottom is provided with the 3rd flange 29, and sealing seat 1 can be connected through the 3rd fastening piece 11 with the valve gap 26 of valve through the 3rd flange 29.
In use, floating ring 2 is held valve rod 27 all the time tightly, and the direction of in sealing seat 1, doing perpendicular to axis with valve rod 27 moves (floating, promptly fixing), when axis moves, can also scrape the dust that is attached on the valve rod 27 and other is dirty at valve rod 27.Floating ring 2 can also play the effect of damping decompression in addition, and the damping decompression makes the propagation of pressure in the valve pocket reduce to the pressure of 7 of valve rod 27 and fillers, makes filler 7 easy sealed valve stems 27.
Above embodiment is merely exemplary embodiment of the present invention, is not used in restriction the present invention, and protection scope of the present invention is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the present invention in essence of the present invention and protection domain, this modification or be equal to replacement and also should be regarded as dropping in protection scope of the present invention.
Claims (10)
1. valve packing seal arrangement; Comprise sealing seat, Stuffing box and Gland; The bottom of said sealing seat inner chamber is provided with the top that the said Stuffing box of the floating ring that is set on the valve rod is located at said sealing seat inner chamber, in the said Stuffing box filler is set, and said Gland is pressed on the said filler; It is characterized in that said sealing seat is formed by two halfbody textural associations; Said Stuffing box is formed by two halfbody textural associations.
2. valve packing seal arrangement according to claim 1 is characterized in that, two halfbody structures of said sealing seat are about the middle vertical plane symmetry of said sealing seat; Two halfbody structures of said Stuffing box are about the middle vertical plane symmetry of said Stuffing box.
3. valve packing seal arrangement according to claim 1 and 2 is characterized in that, is respectively equipped with a pair of lug on two halfbody structures of said sealing seat, connects through fastening piece between the said lug that is docking together respectively.
4. valve packing seal arrangement according to claim 1 and 2; It is characterized in that; On the periphery of two halfbody structures of said Stuffing box all correspondence offer at least one first annular groove, be embedded in said first annular groove and be used for circlip or spring that two said halfbody structures are tightened together.
5. valve packing seal arrangement according to claim 1 and 2; It is characterized in that; Offer corresponding second annular groove of quantity of quantity and said floating ring on the inwall of said sealing seat bottom; Said floating ring is located in said second annular groove, and can radially float along with moving radially in said second annular groove of said valve rod.
6. valve packing seal arrangement according to claim 5 is characterized in that the internal diameter of said second annular groove is greater than the external diameter of said floating ring.
7. valve packing seal arrangement according to claim 1 and 2 is characterized in that, the outside top of said sealing seat is provided with first flange, and said Stuffing box outside is provided with second flange, and said first flange is connected through fastening piece with second flange.
8. valve packing seal arrangement according to claim 1 and 2; It is characterized in that; The outside lower end of said sealing seat is provided with cylndrical surface and the lower end surface that the counterbore at the valve rod hole place on the valve gap with said valve cooperates; The outside bottom of said sealing seat is provided with the 3rd flange, and said sealing seat can be connected with the valve gap of said valve through said the 3rd flange.
9. valve packing seal arrangement according to claim 1 and 2; It is characterized in that; Said floating ring is the annulus that is spliced by a plurality of ring section head and the tail; Offer the 3rd annular groove on the excircle of the said floating ring that is spliced by a plurality of ring section head and the tail, be embedded with in said the 3rd annular groove and be used for a plurality of rings section fastening spring that is stitched together.
10. valve packing seal arrangement according to claim 9 is characterized in that, the end face of said ring section is all tangent with the inner cylindrical surface of said floating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010605987.1A CN102537503B (en) | 2010-12-24 | 2010-12-24 | Valve filler sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010605987.1A CN102537503B (en) | 2010-12-24 | 2010-12-24 | Valve filler sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102537503A true CN102537503A (en) | 2012-07-04 |
| CN102537503B CN102537503B (en) | 2015-04-29 |
Family
ID=46345127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010605987.1A Expired - Fee Related CN102537503B (en) | 2010-12-24 | 2010-12-24 | Valve filler sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102537503B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653858A (en) * | 2013-11-18 | 2015-05-27 | 费希尔控制国际公司 | Methods And Apparatus To Load Valve Packing |
| WO2016177348A1 (en) * | 2015-05-06 | 2016-11-10 | 江苏科技大学 | Stuffing box device of crosshead two-stroke diesel engine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1052726A (en) * | 1911-08-14 | 1913-02-11 | Us Metallic Packing Co | Metallic rod-packing. |
| JPH11257530A (en) * | 1998-03-16 | 1999-09-21 | Kurimoto Ltd | Leakage prevention structure for gland part of valve |
| US6116573A (en) * | 1998-12-22 | 2000-09-12 | Cornette Technology, Llc | Packing system for valves |
| CN2457329Y (en) * | 2000-10-12 | 2001-10-31 | 廖启新 | Multifunction polish rod sealing device |
| CN2658445Y (en) * | 2002-08-15 | 2004-11-24 | 李明生 | Dismountable water pump or valve packing gland |
| CN2809388Y (en) * | 2005-07-26 | 2006-08-23 | 世林（漯河）冶金设备有限公司 | Full floating seal device for valve rod of hot blast valve |
| CN201401310Y (en) * | 2009-04-29 | 2010-02-10 | 王淑桂 | Packing sealing ring of gas compressor |
| CN201902680U (en) * | 2010-12-24 | 2011-07-20 | 秦皇岛秦冶重工有限公司 | Stuffing sealing device for valve |
-
2010
- 2010-12-24 CN CN201010605987.1A patent/CN102537503B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1052726A (en) * | 1911-08-14 | 1913-02-11 | Us Metallic Packing Co | Metallic rod-packing. |
| JPH11257530A (en) * | 1998-03-16 | 1999-09-21 | Kurimoto Ltd | Leakage prevention structure for gland part of valve |
| US6116573A (en) * | 1998-12-22 | 2000-09-12 | Cornette Technology, Llc | Packing system for valves |
| CN2457329Y (en) * | 2000-10-12 | 2001-10-31 | 廖启新 | Multifunction polish rod sealing device |
| CN2658445Y (en) * | 2002-08-15 | 2004-11-24 | 李明生 | Dismountable water pump or valve packing gland |
| CN2809388Y (en) * | 2005-07-26 | 2006-08-23 | 世林（漯河）冶金设备有限公司 | Full floating seal device for valve rod of hot blast valve |
| CN201401310Y (en) * | 2009-04-29 | 2010-02-10 | 王淑桂 | Packing sealing ring of gas compressor |
| CN201902680U (en) * | 2010-12-24 | 2011-07-20 | 秦皇岛秦冶重工有限公司 | Stuffing sealing device for valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653858A (en) * | 2013-11-18 | 2015-05-27 | 费希尔控制国际公司 | Methods And Apparatus To Load Valve Packing |
| WO2016177348A1 (en) * | 2015-05-06 | 2016-11-10 | 江苏科技大学 | Stuffing box device of crosshead two-stroke diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102537503B (en) | 2015-04-29 |
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