CN1563769B - Sealing gear of valves - Google Patents
Sealing gear of valves Download PDFInfo
- Publication number
- CN1563769B CN1563769B CN 200410017664 CN200410017664A CN1563769B CN 1563769 B CN1563769 B CN 1563769B CN 200410017664 CN200410017664 CN 200410017664 CN 200410017664 A CN200410017664 A CN 200410017664A CN 1563769 B CN1563769 B CN 1563769B
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- China
- Prior art keywords
- seal
- valve
- valve rod
- last
- ring
- 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
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- Details Of Valves (AREA)
Abstract
The valve sealing unit includes mainly one lower sealing ring fixed onto valve body and one upper sealing ring fixed onto the driving shaft. The lower sealing ring is provided with notch fitting friction ring closely; and the upper sealing ring has notch in one end fitting friction ring closely and outer ring slot with strengthening metal ring embedded. Both the upper sealing ring and the lower sealing ring are made of elastic material, and the friction rings in both the upper sealing ring and the lowr sealing ring are made of wear resistant material. The improved sealing structure results inplanar friction sealing, long service life and less leakage.
Description
Technical field
The present invention relates to a kind of seal arrangement, particularly relate to a kind of seal arrangement of valve class.
Background technique
Present valve class is as water tap, ball valve, and gate valve, Steel cylinder gas valve, IC-card electric-controlled ball valve etc. generally all adopts valve rod and the traditional sealing configuration of seal ring, inside and outside close-fitting, the valve rod that has is changeing, and seal ring does not change; Valve rod that has and seal ring one run up; This structure deficiency is: this valve body mainly is a valve stem handle rubber ring unreasonable structure, cause wearing and tearing easily and cause and leak, and gas, wet goods and life-span are not long, cause the wasting of resources and environmental pollution, bring trouble and worry and worry to family and industrial and mining enterprise.
Summary of the invention
The present invention will solve the defective of above-mentioned prior art, and a kind of seal arrangement of valve class of leakproof is provided.
The present invention solves the technological scheme that its technical problem adopts.The seal arrangement of this valve class mainly comprises being used for fixing in the following seal on the valve body and being used for fixing seal on the valve rod, has down the seal groove on the end face of following seal, and drive fit is equipped with down the seal friction and encircles in the following seal groove; Have the seal groove on one end face of last seal, drive fit is equipped with seal friction ring in the last seal groove; Have circular groove on the excircle of last seal, be installed with the metal ring that is used to gain in strength in the circular groove; Described upward seal is cylindrical, and last seal is the T-shaped multidiameter shaft structure in cross section, has the through hole that is used for the plug-in mounting valve rod on the multidiameter shaft; Be set with spring on the excircle of multidiameter shaft path section, the transition end face of multidiameter shaft path section and big footpath section and the excircle of big footpath section are provided with metal covering, and an end of spring is conflicted on the end face of metal covering; Described lower seal snare is contained on the valve rod, be installed on valve body inner bore be tightly fixed motionless, last seal be sleeved on equally on the valve rod and with the valve rod drive fit, the valve rod front end is the key formula with spool and is connected, and wherein goes up seal friction ring and the following seal anchor ring that rubs and contacts.
The effect that the present invention is useful is: changed old structure in the past, adopt mechanical seal a pair of upward seal and following seal, following seal is big, and last seal is little, plane friction sealing, it is durable to lengthen the life, and valve rod changes goes up seal, and sealing is and then changeed, easily but also not leak not only, big ting model is seen product structure design, isolating seal and decide, and function is all.
Description of drawings
Fig. 1 is the embodiment of the invention 1 a main TV structure schematic representation;
Fig. 2 is the embodiment of the invention 2 main TV structure schematic representation;
Fig. 3 is the structural representation that the present invention uses on gate valve;
Fig. 4 is the structural representation that the present invention uses on Steel cylinder gas valve;
Fig. 5 is the main TV structure schematic representation that the present invention uses on the IC-card electric-controlled ball valve;
Fig. 6 is the left TV structure schematic representation that the present invention uses on the IC-card electric-controlled ball valve;
Fig. 7 is the structural representation that the present invention uses on ball valve;
Fig. 8 is the structural representation that the present invention uses on water tap;
Description of symbols: following seal 1, following seal groove 1-1, following seal friction ring 2, last seal friction ring 3, last seal 4, last seal groove 4-1, circular groove 4-2, through hole 4-3, metal covering 5, metal ring 6, spring 7, contiguous block 8, valve rod 9, nut 10, valve gap 11, seal ring 12, valve body 13, copper bush 14, valve lock 15, valve core nut 16, plastic seal 17, valve core nut card 18; Sunk screw 19, jump ring 20, spool 21, O type sealing 22, corrugated sheet 23, valve joint 24, speed reducer 25, motor 26, protecting cover 27, bib nozzle 28, filter sheet 29, elbow 30 waves 31, nut 32, dop 33, ball valve 34, inipple 35;
Embodiment
The invention will be described further below in conjunction with accompanying drawing:
Embodiment 1: the seal arrangement of this valve class, mainly comprise the following seal 1 that is used for fixing on valve body, with be used for fixing seal 4 on the transmission shaft, have down seal groove 1-1 on the end face of following seal 1, drive fit is equipped with down the seal friction and encircles 2 in the following seal groove 1-1; Have seal groove 4-1 on one end face of last seal 4, drive fit is equipped with seal friction ring 3 in the last seal groove 4-1; Have circular groove 4-2 on the excircle of last seal 4, be installed with the metal ring 6 that is used to gain in strength in the circular groove 4-2.Described upward seal 4 is the T-shaped multidiameter shaft structure in cross section, has the through hole 4-3 that is used for the plug-in mounting transmission shaft on the multidiameter shaft; Be set with spring 7 on the excircle of multidiameter shaft path section, the transition end face of multidiameter shaft path section and big footpath section and the excircle of big footpath section are provided with metal covering 5, and an end of spring 7 is conflicted on the end face of metal covering 5.Last seal 4 and following seal 1 are made by the elastic material material, and last seal friction ring 3 and following seal rub and encircle 2 and made by high-abrasive material.
Embodiment 2: the seal arrangement of this valve class, mainly comprise the following seal 1 that is used for fixing on valve body, with be used for fixing seal 4 on the transmission shaft, have down seal groove 1-1 on the end face of following seal 1, drive fit is equipped with down the seal friction and encircles 2 in the following seal groove 1-1; Have seal groove 4-1 on one end face of last seal 4, drive fit is equipped with seal friction ring 3 in the last seal groove 4-1; Have circular groove 4-2 on the excircle of last seal 4, be installed with the metal ring 6 that is used to gain in strength in the circular groove 4-2.Described upward seal 4 is cylindrical, is useful on the through hole 4-3 of plug-in mounting transmission shaft in the last seal 4.
The application of the present invention on gate valve, as shown in Figure 3, this gate valve mainly comprises valve rod 9, nut 10, valve gap 11, seal ring 12, valve body 13, copper bush 14 and valve lock 15; Following seal 1 in embodiment 2 the seal arrangement is sleeved on the valve rod 1, be installed on be on the valve gap 4 be tightly fixed motionless, last seal 4 be sleeved on equally on the valve rod 1 and with the valve rod drive fit, valve rod changes to be gone up seal and and then changes.Wherein go up seal friction ring 3 and contact with 2 on following seal friction ring, the other end of last seal 4 is conflicted on the diapire of nut 10.
The present invention uses on Steel cylinder gas valve, as shown in Figure 4, this Steel cylinder gas valve mainly comprises valve rod 9, valve gap 11, valve body 13, valve core nut 16, plastic seal 17 and valve core nut card 18, the following seal 1 in embodiment 2 the seal arrangement is sleeved on the valve rod 9, be installed on valve body 13 endoporus be tightly fixed motionless, last seal 4 be sleeved on equally on the valve rod 9 and with the valve rod drive fit, valve rod changes to be gone up seal and and then changes.Wherein go up seal friction ring 3 and contact with 2 on following seal friction ring, the other end of last seal 4 is conflicted on the diapire of valve gap 11.
The present invention uses on the IC-card electric-controlled ball valve, as Fig. 5, shown in Figure 6, this IC-card electric-controlled ball valve mainly comprises valve rod 9, valve body 13, sunk screw 19, jump ring 20, spool 21, O type sealing 22, corrugated sheet 23, valve joint 24, speed reducer 25, motor 26 and protecting cover 27, the following seal 1 in the seal arrangement of present embodiment 2 is sleeved on the valve rod 9, be installed on valve body 13 endoporus be tightly fixed motionless, last seal 4 be sleeved on equally on the valve rod 9 and with the valve rod drive fit, valve rod 9 changes to be gone up seal 4 and and then changes, valve rod 9 front ends are the key formula with spool and are connected, valve rod 9 drives spool 21 rotations, wherein goes up seal friction ring 3 and contacts with 2 on following seal friction ring.
The present invention uses on ball valve, as shown in Figure 7, this ball valve mainly comprises valve body 13, valve rod 9, nut 10, spool 21, plastic seal 17 and valve joint 24, following seal 1 in the seal arrangement of present embodiment 2 is sleeved on the valve rod 9, be installed on valve joint 24 endoporus be tightly fixed motionless, last seal 4 be sleeved on equally on the valve rod 9 and with valve rod 9 drive fits, valve rod 9 changes goes up and then commentaries on classics of seal 4, valve rod 9 front ends are the key formula with spool and are connected, and valve rod 9 drives spool 21 rotations, wherein go up seal friction ring 3 and contact with 2 on following seal friction ring.
The present invention uses on water tap, as shown in Figure 8, this water tap mainly comprises valve rod 9, bib nozzle 28, filter sheet 29, elbow 30 waves 31, nut 32, dop 33, ball valve 34 and inipple 35, the following seal 1 in the seal arrangement of present embodiment 2 is sleeved on the valve rod 9, be installed on valve joint 24 endoporus be tightly fixed motionless, last seal 4 be sleeved on equally on the valve rod 9 and with valve rod 9 drive fits, valve rod 9 changes to be gone up seal 4 and and then changes, valve rod 9 front ends are the key formula with spool and are connected, valve rod 9 drives spool 21 rotations, wherein goes up seal friction ring 3 and contacts with 2 on following seal friction ring.
Claims (2)
1. the seal arrangement of a valve class, it is characterized in that: mainly comprise the following seal (1) that is used for fixing on valve body, with the last seal (4) that is used for fixing on valve rod (9), have down seal groove (1-1) on one end face of following seal (1), the interior drive fit of following seal groove (1-1) is equipped with down seal friction ring (2); Have seal groove (4-1) on one end face of last seal (4), the interior drive fit of last seal groove (4-1) is equipped with seal friction ring (3); Have circular groove (4-2) on the excircle of last seal (4), be installed with the metal ring (6) that is used to gain in strength in the circular groove (4-2);
Described upward seal (4) is cylindrical, and last seal (4) is the T-shaped multidiameter shaft structure in cross section, has the through hole (4-3) that is used for plug-in mounting valve rod (9) on the multidiameter shaft; Be set with spring (7) on the excircle of multidiameter shaft path section, the transition end face of multidiameter shaft path section and big footpath section and the excircle of big footpath section are provided with metal covering (5), and an end of spring (7) is conflicted on the end face of metal covering (5);
Described seal (1) down is sleeved on the valve rod (9), be installed on valve body (13) endoporus be tightly fixed motionless, last seal (4) be sleeved on equally that valve rod (9) is gone up and with valve rod (9) drive fit, valve rod (9) front end is the key formula with spool (21) and is connected, and wherein goes up seal friction ring (3) and contacts with following seal friction ring (2) face.
2. the seal arrangement of valve class according to claim 1 is characterized in that: described upward seal (4) and following seal (1) are made by the elastic material material, and last seal friction ring (3) and following seal friction ring (2) are made by high-abrasive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410017664 CN1563769B (en) | 2004-04-14 | 2004-04-14 | Sealing gear of valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410017664 CN1563769B (en) | 2004-04-14 | 2004-04-14 | Sealing gear of valves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1563769A CN1563769A (en) | 2005-01-12 |
| CN1563769B true CN1563769B (en) | 2010-09-29 |
Family
ID=34479091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410017664 Expired - Fee Related CN1563769B (en) | 2004-04-14 | 2004-04-14 | Sealing gear of valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1563769B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048100A (en) * | 2013-03-15 | 2014-09-17 | 上海浦东汉威阀门有限公司 | Sealing structure for packless self-compensation sealing valve |
| US10260639B2 (en) * | 2013-06-10 | 2019-04-16 | Fisher Controls International Llc | Actuator bushings having integral seals |
| CN104069676B (en) * | 2014-07-22 | 2015-08-05 | 杭州费尔过滤技术有限公司 | A kind of filter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044030U (en) * | 1988-12-12 | 1989-09-06 | 刘希平 | Sealing unit of valve |
| CN2086838U (en) * | 1991-02-25 | 1991-10-16 | 长沙市阀门厂 | Mechanical sealing device of end face for butterfly bamper |
| US6062570A (en) * | 1996-02-16 | 2000-05-16 | Barber-Colman | Stem sealing system for broad temperature ranges |
| CN2689020Y (en) * | 2004-04-14 | 2005-03-30 | 王培望 | Valve sealer |
-
2004
- 2004-04-14 CN CN 200410017664 patent/CN1563769B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044030U (en) * | 1988-12-12 | 1989-09-06 | 刘希平 | Sealing unit of valve |
| CN2086838U (en) * | 1991-02-25 | 1991-10-16 | 长沙市阀门厂 | Mechanical sealing device of end face for butterfly bamper |
| US6062570A (en) * | 1996-02-16 | 2000-05-16 | Barber-Colman | Stem sealing system for broad temperature ranges |
| CN2689020Y (en) * | 2004-04-14 | 2005-03-30 | 王培望 | Valve sealer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1563769A (en) | 2005-01-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20120414 |