CN203948678U - The box-like sealing configuration of a kind of valve sets - Google Patents
The box-like sealing configuration of a kind of valve sets Download PDFInfo
- Publication number
- CN203948678U CN203948678U CN201420385752.XU CN201420385752U CN203948678U CN 203948678 U CN203948678 U CN 203948678U CN 201420385752 U CN201420385752 U CN 201420385752U CN 203948678 U CN203948678 U CN 203948678U
- Authority
- CN
- China
- Prior art keywords
- valve
- pull bar
- packing
- ring
- valve pull
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 21
- 230000001808 coupling Effects 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 11
- 239000004809 Teflon Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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 [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000003027 Ear, Inner Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000414 obstructive Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Abstract
The utility model discloses the box-like sealing configuration of a kind of valve sets.It comprises hold-down grid, filler pressing sleeve, four layers of packing, dust ring, coupling, seal ring, spring, central ring, valve seat, valve pull bar; Central ring is connected with coupling bolt, coupling and valve pull bar Spielpassung, valve seat is connected with central ring bolt, valve seat is connected with dust ring bolt, four layers of packing and valve pull bar interference fit, filler pressing sleeve and valve pull bar Spielpassung, hold-down grid and valve pull bar Spielpassung, spring empty set on valve pull bar, seal ring and valve pull bar interference fit.The utility model not only intensity is high, heat-and corrosion-resistant, and antiscour, and friction factor is low, and self-lubricating property is good, and has very high flexibility, resilience and unsteady performance.This structure has improved the sealability of gate valve, and significantly reduces cylinder corrosion and stuck phenomenon, significantly promotes the working life of gate valve, effectively reduces practicality and the maintenance cost of valve.
Description
Technical field
The utility model relates to the box-like sealing configuration of a kind of valve sets, particularly for the sealing of double valve plates gate valve.
Background technique
Sealing is good Yu the bad major criterion of gate valve.In order to prevent being entered cylinder by the medium of choked flow along valve pull bar, cause corrosion and the obstruction of cylinder interior, thereby affect the normal use of gate valve, therefore, gate valve must be accomplished good sealing.
Conventionally, the sealing of gate valve is realized by seal ring and valve pull bar interference fit, but this encapsulating method is under the operating mode of high temperature, high-pressure medium, be easy to cause dielectric leakage and cause seal failure, and need to often change seal ring, make the maintenance cost of gate valve increase, these problems are perplexing user always.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of valve sets box-like sealing configuration.
The box-like sealing configuration of a kind of valve sets comprises hold-down grid, filler pressing sleeve, four layers of packing, dust ring, coupling, seal ring, spring, central ring, valve seat, valve pull bar; Central ring is connected with coupling bolt, coupling and valve pull bar Spielpassung, valve seat is connected with central ring bolt, valve seat is connected with dust ring bolt, four layers of packing and valve pull bar interference fit, filler pressing sleeve and valve pull bar Spielpassung, hold-down grid and valve pull bar Spielpassung, spring empty set on valve pull bar, seal ring and valve pull bar interference fit.
The first layer of four layers of described packing and the 4th layer of employing carbon fiber packing, the second layer adopts teflon packing, and the 3rd layer adopts flexible graphite stuffing.
The effect intentionally that the utility model compared with prior art has is, not only intensity is high can to ensure packing for sealing, heat-and corrosion-resistant, antiscour, and friction factor is low, and self-lubricating property is good, and there is very high flexibility, resilience and unsteady performance, the mixed fillers of Expanded graphite and teflon, has significantly improved anti-shearing, the tensility of packing, and is conducive to produce labyrinth effect.Being used in combination of four layers of packing and twice seal ring, has significantly improved the sealability of gate valve, and cylinder corrosion and stuck phenomenon greatly reduce, and have obviously increased the working life of gate valve, for user has saved maintenance cost greatly.
Brief description of the drawings
Fig. 1 is the schematic diagram of the box-like sealing configuration of valve sets;
In figure, hold-down grid 1, filler pressing sleeve 2, four layers of packing 3, dust ring 4, coupling 5, seal ring 6, spring 7, central ring 8, valve seat 9, valve pull bar 10.
Embodiment
As shown in Figure 1, the box-like sealing configuration of a kind of valve sets comprises hold-down grid 1, filler pressing sleeve 2, four layers of packing 3, dust ring 4, coupling 5, seal ring 6, spring 7, central ring 8, valve seat 9, valve pull bar 10; Central ring 8 is connected with coupling 5 bolts, coupling 5 and valve pull bar 10 Spielpassung, valve seat 9 is connected with central ring 8 bolts, valve seat 9 is connected with dust ring 4 bolts, four layers of packing 3 and valve pull bar 10 interference fit, filler pressing sleeve 2 and valve pull bar 10 Spielpassung, hold-down grid 1 and valve pull bar 10 Spielpassung, spring 7 empty sets on valve pull bar 10, seal ring 6 and valve pull bar 10 interference fit.
The first layer of four layers of described packing 3 and the 4th layer of employing carbon fiber packing, the second layer adopts teflon packing, and the 3rd layer adopts flexible graphite stuffing.
The box-like encapsulating method of valve sets of described structure is as follows:
Need the liquid, gas medium of sealing to leak through dust ring 4, four layers of packing 3, seal ring 6 successively along valve pull bar 10;
Dust ring 4 is connected with valve seat 9 bolts, and with valve pull bar 10 interference fit, stop liquid, the gas medium of leakage, realize sealing for the first time; Hold-down grid 1 and filler pressing sleeve 2 compress four layers of packing 3, and due to the effect of expanding with heat and contract with cold, spring 7 plays the effect that regulates impacting force, and four layers of packing 3 stop with valve pull bar 10 interference fit the liquid, the gas medium that penetrate dust ring 4, realize sealing for the second time; Seal ring 6 and valve pull bar 10 interference fit, stop the liquid, the gas medium that penetrate four layers of packing 3, realizes sealing for the third time; Conventionally this three leakage proof sealings, realize the liquid to needs sealing, the sealing of gas medium.
Claims (2)
1. the box-like sealing configuration of valve sets, is characterized in that comprising hold-down grid (1), filler pressing sleeve (2), four layers of packing (3), dust ring (4), coupling (5), seal ring (6), spring (7), central ring (8), valve seat (9), valve pull bar (10); Central ring (8) is connected with coupling (5) bolt, coupling (5) and valve pull bar (10) Spielpassung, valve seat (9) is connected with central ring (8) bolt, valve seat (9) is connected with dust ring (4) bolt, four layers of packing (3) and valve pull bar (10) interference fit, filler pressing sleeve (2) and valve pull bar (10) Spielpassung, hold-down grid (1) and valve pull bar (10) Spielpassung, spring (7) empty set is upper at valve pull bar (10), seal ring (6) and valve pull bar (10) interference fit.
2. the box-like sealing configuration of a kind of valve sets according to claim 1, the first layer of the four layers of packing (3) described in it is characterized in that and the 4th layer of employing carbon fiber packing, the second layer adopts teflon packing, and the 3rd layer adopts flexible graphite stuffing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420385752.XU CN203948678U (en) | 2014-07-14 | 2014-07-14 | The box-like sealing configuration of a kind of valve sets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420385752.XU CN203948678U (en) | 2014-07-14 | 2014-07-14 | The box-like sealing configuration of a kind of valve sets |
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CN203948678U true CN203948678U (en) | 2014-11-19 |
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CN201420385752.XU Expired - Fee Related CN203948678U (en) | 2014-07-14 | 2014-07-14 | The box-like sealing configuration of a kind of valve sets |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104089041A (en) * | 2014-07-14 | 2014-10-08 | 浙江固特气动机械有限公司 | Valve combined type sealing structure and method thereof |
CN108692045A (en) * | 2017-04-07 | 2018-10-23 | 嘉士凯国际有限责任公司 | Seal assembly for industrial sluice valves and the valve including the seal assembly |
-
2014
- 2014-07-14 CN CN201420385752.XU patent/CN203948678U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104089041A (en) * | 2014-07-14 | 2014-10-08 | 浙江固特气动机械有限公司 | Valve combined type sealing structure and method thereof |
CN108692045A (en) * | 2017-04-07 | 2018-10-23 | 嘉士凯国际有限责任公司 | Seal assembly for industrial sluice valves and the valve including the seal assembly |
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GR01 | Patent grant | ||
C14 | Grant of patent or utility model | ||
CP01 | Change in the name or title of a patent holder |
Address after: 324401 No. 18, Shao Lu, town, Quzhou Town, Longyou County, Zhejiang, China Patentee after: Zhejiang Gute Pneumatic Technology Co., Ltd. Address before: 324401 No. 18, Shao Lu, town, Quzhou Town, Longyou County, Zhejiang, China Patentee before: Zhejiang Gute Pneumatic Machinery Co., Ltd. |
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C56 | Change in the name or address of the patentee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20190714 |
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CF01 | Termination of patent right due to non-payment of annual fee |