CN105443786A - Elastic compensation sealing inner part structure of telescopic valve - Google Patents
Elastic compensation sealing inner part structure of telescopic valve Download PDFInfo
- Publication number
- CN105443786A CN105443786A CN201610071148.3A CN201610071148A CN105443786A CN 105443786 A CN105443786 A CN 105443786A CN 201610071148 A CN201610071148 A CN 201610071148A CN 105443786 A CN105443786 A CN 105443786A
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- CN
- China
- Prior art keywords
- sleeve
- packing ring
- valve
- metallic packing
- conical surface
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- Pending
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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
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to an elastic compensation sealing inner part structure of a telescopic valve. The structure is characterized by comprising a metal sealing ring, a valve seat, a valve element and a sleeve, the metal sealing ring is annular, and a C-shaped ring is arranged on the inner edge of the metal sealing ring; an arc-shaped groove is formed in the sealing surface of the valve seat, the metal sealing ring is placed on the end face of the valve seat and pressed and fixed through the sleeve, the planar portion of the metal sealing ring is in sealed contact with the end face of the valve seat, the C-shaped ring of the metal sealing ring is correspondingly arranged in the arc-shaped groove, and the outer surface of the C-shaped ring is in sealed contact with the bottom surface of the arc-shaped groove; a valve element scalene cone is arranged on the peripheral edge of the lower end of the valve element, a sleeve scalene cone is arranged on the edge of an inner hole in the lower end of the sleeve, and the valve element scalene cone and the sleeve scalene cone are both in seal fit with the C-shaped ring of the metal sealing ring. The structure is simple and ingenious, compensation of sealing between the valve element and the valve seat of the telescopic valve can be achieved, and the structure has the advantages of being low in machining cost, high in sealing grade, convenient to maintain and the like.
Description
Technical field
The present invention relates to a kind of novel telescoping valve sealing configuration, specifically a kind of telescoping valve elastic compensating sealing inner parts structure, belongs to modulating valve technical field.
Background technique
Along with economic development, industrial automatic control level in continuous raising, thus to the requirement of valve reliability in process control also in continuous raising, higher requirement be it is also proposed to the sealability of valve.At present, in the industries such as chemical industry, iron and steel, metallurgy, oil, electric power, telescoping valve is very suitable for the advantages such as High Pressure Difference operating mode, dynamic stability is high, actuator's thrust requirements is little because of it, makes it be widely used in various occasion.The inner parts structure of traditional telescoping valve regulates the sleeve of window to form by spool, valve rod, band, and spool and sleeve exist two sealing surfaces simultaneously, and must ensure during valve closing that two sealing surfaces seal simultaneously, valve could be closed.The cooperation of this structure to two sealing surfaces of spool, sleeve relative size in the height direction requires high, the telescoping valve which results in this kind of inner parts structure is difficult to reach higher leakage class, generally can only reach III, IV grade of leakage, and leakage class V grade and above very difficult realization.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of telescoping valve elastic compensating is provided to seal inner parts structure, its simple and ingenious structure, can compensate the sealing of telescoping valve spool and valve base chamber, has the advantages such as processing cost is low, sealing grade is high, easy to maintenance.
According to technological scheme provided by the invention: telescoping valve elastic compensating sealing inner parts structure, is characterized in that: comprise metallic packing ring, valve seat, spool and sleeve; Described metallic packing ring is ring, and the inside edge of metallic packing ring is provided with C shape circle; Described sealing surface of seat is provided with an arcuate furrow, described metallic packing ring to be placed on valve seat end face and to be fixed with sleeve, the planar section of metallic packing ring contacts with valve seat end face seal, the C shape circle correspondence of metallic packing ring is placed in arcuate furrow, and C shape circle outer surface contacts with arcuate furrow sealing bottom surface; Described spool lower end periphery edge is provided with spool tilted conical surface, and endoporus edge, described sleeve lower end is provided with sleeve tilted conical surface, and described spool tilted conical surface and sleeve tilted conical surface enclose with the C shape of metallic packing ring respectively and be sealed and matched.
As a further improvement on the present invention, the C shape circle of described metallic packing ring is built with helical spring.
As a further improvement on the present invention, the angle of described spool tilted conical surface is 30 ~ 60 °, and the angle of described sleeve tilted conical surface is 30 ~ 60 °.
As a further improvement on the present invention, the angle of described spool tilted conical surface and sleeve tilted conical surface is 45 °.
the present invention compared with prior art, has the following advantages:
1, the metallic packing ring in the present invention itself can in certain compression zone compensation sealing, overcome the high request that two metallic sealing sections on conventional sleeve valve core and sleeve must seal simultaneously, reduce difficulty of processing, decrease processing cost.
2, the present invention utilizes the elastic compensating function of metallic packing ring, well ensure that the sealability of two sealing surfaces of spool, can be easy to reach IV grade of leakage class, even realize V grade and above leakage class.
3, under worst hot case (>290 DEG C), metal valve inner parts structure produces linear expansion by temperatures involved, the relative height of conventional sleeve valve bimetallic (spring cone) seal changes, valve leak grade is caused to reduce, and the metallic packing ring in elastic compensating sealing inner parts structure of the present invention has elastic compensating function, even if still can keep good sealability when worst hot case.
4, spool or sleeve are as the easily damaged parts of valve, and especially sealing surface very easily damages, constantly repair or replacing, and after using elastic compensating of the present invention to seal inner parts structure, change metallic packing ring and can realize valve maintenance, field maintenance cost is low, interchangeability is good, operates faster.
Accompanying drawing explanation
Fig. 1 is installation application structure schematic diagram of the present invention.
Fig. 2 is the A portion enlarged view in Fig. 1.
Embodiment
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Figure 1 and Figure 2: the telescoping valve elastic compensating sealing inner parts structure in embodiment forms primarily of metallic packing ring 1, valve seat 2, spool 3 and sleeve 4; Described metallic packing ring 1 is ring, and the inside edge of metallic packing ring 1 is provided with C shape circle 1a; Described valve seat 2 sealing surface is provided with an arcuate furrow 2a, described metallic packing ring 1 is placed on valve seat 2 end face and is also fixed with sleeve 4, the planar section of metallic packing ring 1 contacts with valve seat 2 end face seal, the C shape circle 1a correspondence of metallic packing ring 1 is placed in arcuate furrow 2a, and C shape circle 1a outer surface contacts with arcuate furrow 2a sealing bottom surface; Described spool 3 lower end periphery edge is provided with spool tilted conical surface 3a, endoporus edge, described sleeve 4 lower end is provided with sleeve tilted conical surface 4a, described spool tilted conical surface 3a and sleeve tilted conical surface 4a encloses 1a with the C shape of metallic packing ring 1 respectively and is sealed and matched, and the angle of described spool tilted conical surface 3a and sleeve tilted conical surface 4a is 45 °.
As shown in Figure 1, in the present embodiment, the C shape circle 1a of described metallic packing ring 1 is built with helical spring 5.Described helical spring 5 can strengthen the elastic compensating ability of metallic packing ring 1C shape circle 1a.
Working principle of the present invention and working procedure as follows:
As shown in Figure 1, there are two sealing surfaces in the spool 3 of sleeve 4 valve at different heights, when after valve closing, there are two places and seal in spool 3 and sleeve 4, valve seat 2 and metallic packing ring 1: a place is the hard sealing that spool 3 upper end sealing surface and sleeve 4 upper end sealing surface form, herein after sealing, the spool tilted conical surface 3a of spool 3 lower end pushes down described metallic packing ring 1, form the elastic packing at another place, because metallic packing ring 1 itself has certain elasticity, can in certain compression zone compensation sealing, effectively avoid because machining error causes the situation of poor sealing performance.
In addition, valve after long-term use, sealing surface can produce wearing and tearing or corrosion unavoidably, and itself there is elasticity due to metallic packing ring 1, add the C shape circle 1a of metallic packing ring 1 built with helical spring 5, thus make the sealing surface that metallic packing ring 1 can wear and tear to spool 3 or corrode within the specific limits carry out effective compensation, avoid or reduce valve leak, extending the working life of valve.
Claims (4)
1. telescoping valve elastic compensating sealing inner parts structure, is characterized in that: comprise metallic packing ring (1), valve seat (2), spool (3) and sleeve (4); Described metallic packing ring (1) is ring, and the inside edge of metallic packing ring (1) is provided with C shape circle (1a); Described valve seat (2) sealing surface is provided with an arcuate furrow (2a), described metallic packing ring (1) is placed on valve seat (2) end face and is also fixed with sleeve (4), the planar section of metallic packing ring (1) contacts with valve seat (2) end face seal, C shape circle (1a) correspondence of metallic packing ring (1) is placed in arcuate furrow (2a), and C shape circle (1a) outer surface contacts with arcuate furrow (2a) sealing bottom surface; Described spool (3) lower end periphery edge is provided with spool tilted conical surface (3a), endoporus edge, described sleeve (4) lower end is provided with sleeve tilted conical surface (4a), and described spool tilted conical surface (3a) and sleeve tilted conical surface (4a) enclose (1a) with the C shape of metallic packing ring (1) respectively and be sealed and matched.
2. telescoping valve elastic compensating sealing inner parts structure as claimed in claim 1, is characterized in that: C shape circle (1a) of described metallic packing ring (1) is built with helical spring (5).
3. telescoping valve elastic compensating sealing inner parts structure as claimed in claim 1, it is characterized in that: the angle of described spool tilted conical surface (3a) is 30 ~ 60 °, the angle of described sleeve tilted conical surface (4a) is 30 ~ 60 °.
4. telescoping valve elastic compensating sealing inner parts structure as claimed in claim 1, is characterized in that: the angle of described spool tilted conical surface (3a) and sleeve tilted conical surface (4a) is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071148.3A CN105443786A (en) | 2016-02-01 | 2016-02-01 | Elastic compensation sealing inner part structure of telescopic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071148.3A CN105443786A (en) | 2016-02-01 | 2016-02-01 | Elastic compensation sealing inner part structure of telescopic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105443786A true CN105443786A (en) | 2016-03-30 |
Family
ID=55554305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071148.3A Pending CN105443786A (en) | 2016-02-01 | 2016-02-01 | Elastic compensation sealing inner part structure of telescopic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105443786A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725802A (en) * | 2017-11-02 | 2018-02-23 | 苏州丹顿机电有限公司 | A kind of anti-leakage valve |
| CN108562133A (en) * | 2018-06-12 | 2018-09-21 | 盐城诚达环保工程有限公司 | Adjust the mechanism for discharging and taking over taper guide connector distance |
| CN109028832A (en) * | 2018-06-12 | 2018-12-18 | 盐城诚达环保工程有限公司 | Three-cylinder drier |
| CN109340432A (en) * | 2018-12-11 | 2019-02-15 | 中科艾尔(北京)科技有限公司 | A hard-sealed high-purity gas pressure reducing valve |
| CN109563937A (en) * | 2016-07-28 | 2019-04-02 | 芙罗服务管理公司 | Closing sealing element and correlation technique for high temperature pressure balanced valve |
| CN113944765A (en) * | 2020-07-17 | 2022-01-18 | 中核苏阀科技实业股份有限公司 | A kind of double sealing structure of main sealing auxiliary conical surface and flat surface for globe valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247079A (en) * | 1979-09-06 | 1981-01-27 | Societe Meusienne De Realisations Mecaniques "Realmeca" | Annular valve seating |
| CN101084391A (en) * | 2004-12-20 | 2007-12-05 | 笹仓机械工程有限公司 | Metal touch type butterfly valve |
| CN204004645U (en) * | 2014-08-18 | 2014-12-10 | 浙江金锋自动化仪表有限公司 | Soft seal sleeve adjusting valve |
| CN204042035U (en) * | 2014-08-15 | 2014-12-24 | 伯特利阀门集团有限公司 | A kind of butterfly valve seal is secondary |
| DE202015104151U1 (en) * | 2015-08-07 | 2015-10-08 | Samson Ag | Control valve |
| CN205504035U (en) * | 2016-02-01 | 2016-08-24 | 无锡智能自控工程股份有限公司 | Telescoping valve elastic compensation seals internals structure |
-
2016
- 2016-02-01 CN CN201610071148.3A patent/CN105443786A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247079A (en) * | 1979-09-06 | 1981-01-27 | Societe Meusienne De Realisations Mecaniques "Realmeca" | Annular valve seating |
| CN101084391A (en) * | 2004-12-20 | 2007-12-05 | 笹仓机械工程有限公司 | Metal touch type butterfly valve |
| CN204042035U (en) * | 2014-08-15 | 2014-12-24 | 伯特利阀门集团有限公司 | A kind of butterfly valve seal is secondary |
| CN204004645U (en) * | 2014-08-18 | 2014-12-10 | 浙江金锋自动化仪表有限公司 | Soft seal sleeve adjusting valve |
| DE202015104151U1 (en) * | 2015-08-07 | 2015-10-08 | Samson Ag | Control valve |
| CN205504035U (en) * | 2016-02-01 | 2016-08-24 | 无锡智能自控工程股份有限公司 | Telescoping valve elastic compensation seals internals structure |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109563937A (en) * | 2016-07-28 | 2019-04-02 | 芙罗服务管理公司 | Closing sealing element and correlation technique for high temperature pressure balanced valve |
| EP3491275A4 (en) * | 2016-07-28 | 2020-03-25 | Flowserve Management Company | Shutoff seal for high temperature pressure balance valve and related methods |
| US11428328B2 (en) | 2016-07-28 | 2022-08-30 | Flowserve Management Company | Shutoff seal for high temperature pressure balance valve and related methods |
| CN109563937B (en) * | 2016-07-28 | 2023-11-17 | 芙罗服务管理公司 | Closing seal for high temperature pressure balance valve and related method |
| US11940053B2 (en) | 2016-07-28 | 2024-03-26 | Flowserve Pte. Ltd. | Shutoff seal assemblies and related valve assemblies and methods |
| CN107725802A (en) * | 2017-11-02 | 2018-02-23 | 苏州丹顿机电有限公司 | A kind of anti-leakage valve |
| CN108562133A (en) * | 2018-06-12 | 2018-09-21 | 盐城诚达环保工程有限公司 | Adjust the mechanism for discharging and taking over taper guide connector distance |
| CN109028832A (en) * | 2018-06-12 | 2018-12-18 | 盐城诚达环保工程有限公司 | Three-cylinder drier |
| CN109340432A (en) * | 2018-12-11 | 2019-02-15 | 中科艾尔(北京)科技有限公司 | A hard-sealed high-purity gas pressure reducing valve |
| CN113944765A (en) * | 2020-07-17 | 2022-01-18 | 中核苏阀科技实业股份有限公司 | A kind of double sealing structure of main sealing auxiliary conical surface and flat surface for globe valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |