CN105402483A - Valve rod packing sealing device of underwater valve - Google Patents
Valve rod packing sealing device of underwater valve Download PDFInfo
- Publication number
- CN105402483A CN105402483A CN201510963715.1A CN201510963715A CN105402483A CN 105402483 A CN105402483 A CN 105402483A CN 201510963715 A CN201510963715 A CN 201510963715A CN 105402483 A CN105402483 A CN 105402483A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- packing
- gland
- 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.)
- Pending
Links
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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- 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
Abstract
The invention discloses a valve rod packing sealing device of an underwater valve. The valve rod packing sealing device is provided with a valve seat, a valve arranged on the valve seat and a driver arranged on the valve, wherein the valve is provided with the valve rod packing sealing device; the valve rod packing sealing device comprises a valve cap arranged on the valve, a valve rod arranged in a valve cap through hole, a distance ring for sleeving the valve rod and the inside of the valve cap through hole and a packing gland, wherein a main packing is arranged inside an annular space formed by the valve cap through hole and the valve rod; an internal auxiliary packing is arranged inside an annular space formed by the distance ring and the valve rod, and an external auxiliary packing is arranged between the distance ring and the valve cap through hole; all the distance ring, the internal auxiliary packing, the external auxiliary packing and the packing gland are fixedly arranged on the valve cap; and a groove is formed in each of the valve cap and the packing gland, each groove is internally provided with a plurality of guide belts, the packing gland is also provided with an internal circular groove and an external circular groove, and a seal is arranged in each of the external circular groove and the internal circular groove. By using the valve rod packing sealing device, not only can the internal pressure of the valve be sealed, but also the external pressure generated by seawater can be favorably sealed.
Description
Technical field
The present invention relates to valve under water, particularly relate to a kind of stuffing seal for valve rod under water.Belong to Offshore Engineering field.
Background technique
Valve refers to and is applied to the valvular general designation of submarine pipeline under water.At present, valve is mainly used in offshore oil and gas extraction under water, and the valve of application mainly contains: ball valve, gate valve, safety check, control valve etc., and its mode of operation comprises: diver's operation, underwater robot operation, hydraulic controlled operation etc.Due to the Environmental Conditions that it is special, make the installation of valve under water be different from land, therefore, valve is installed under water mainly with integrated devices such as manifolds under water.
At present, the integrated device that offshore oil production and application is more has: end-of-pipe control manifold, under water manufacture control manifold, subsea production tree etc.And ball valve is that these equip a requisite part under water, usually at land integrated installation on devices.
But, due to the particular surroundings in seabed, make valve under water not only bear internal pipe pressure, and, also to bear seawater external pressure; Therefore, its installation and maintenance high cost makes valve under water to meet maintenance-free.This just makes the stem packing of valve under water can not only bear seawater external pressure, and, when valve opening closing movement, longer working life can be had.
Summary of the invention
Main purpose of the present invention is to overcome the above-mentioned shortcoming that prior art exists, and provides a kind of stuffing seal of valve rod under water, and it can not only sealed valve internal pressure; And, the external pressure that seawater produces can also be sealed very well, solve the sealing problem that valve under water works under water, substantially increase working life and the gland sealed reliability of valve packing.
The object of the invention is to be realized by following technological scheme:
A kind of stuffing seal of valve rod under water, be provided with: a valve seat, the valve be arranged on valve seat, the driver be arranged on valve, it is characterized in that: valve is provided with a stem packing seal arrangement, this stem packing seal arrangement comprises: be arranged on the valve gap on valve, the valve rod be arranged in valve gap through hole, be sleeved on a spacer ring, Gland on this valve rod and in valve cover hole, wherein, a main filler is installed in the annular space that valve cover hole and valve rod are formed; In the annular space that spacer ring and valve rod are formed, interior auxiliary filler is installed, outer auxiliary filler is installed between spacer ring and valve cover hole; And spacer ring, interior auxiliary filler, outer auxiliary filler, Gland are all fixed on valve gap; Valve gap and Gland are respectively equipped with groove, and in groove, are separately installed with several guidance tape, Gland is also respectively equipped with interior circular groove, peripheral groove, in interior circular groove, valve stem seal is installed; In peripheral groove, sealing is installed.
Be provided with flashboard in described valve, and this flashboard contacts with valve rod.
During described valve closing, the interior inclined-plane of valve gap contacts with the outer inclined-plane of valve rod, and forms sealing inclined-plane.
Described spacer ring pushes down main filler.
Described valve stem seal and the interior O type that the is sealed into circle installed of peripheral groove.
Beneficial effect of the present invention: the present invention is owing to adopting technique scheme, and it can not only sealed valve internal pressure; And, the external pressure that seawater produces can also be sealed very well, substantially increase working life and the gland sealed reliability of valve packing.
Accompanying drawing explanation
Fig. 1 is that the present invention is applied to underwater gate valve structural representation.
Fig. 2 is overall structure schematic diagram of the present invention.
Major label description in figure:
1. in valve seat, 2. valve, 3. flashboard, 4. valve rod, 5. driver, 6. stem packing seal arrangement, 7. guidance tape, 8. screw, 9. sealing inclined-plane, 10. main filler, 11. spacer rings, 12., in auxiliary filler, 13. Glands, 14. valve stem seals, 15. outer auxiliary fillers, 16. valves, pressure, 17. seawater external pressures, 18. valve gaps, 19.O shape are enclosed.
Embodiment
As Fig. 1, shown in Fig. 2, the present invention is provided with: valve seat 1, the valve 2 be arranged on valve seat 1, the driver 5 be arranged on valve 2, wherein, valve 2 is provided with stem packing seal arrangement 6, stem packing seal arrangement 6 comprises: be arranged on the valve gap 18 on valve 2, the valve rod 4 be arranged in valve gap 18 through hole, be sleeved on valve rod 4 and spacer ring 11, Gland 13 in valve gap 18 hole, wherein, be provided with main filler 10 in the annular space that valve gap 18 hole and valve rod 4 are formed; In the annular space that spacer ring 11 and valve rod 4 are formed, interior auxiliary filler 12 is installed, between spacer ring 11 and valve gap 18 hole, outer auxiliary filler 15 is installed; And spacer ring 11, interior auxiliary filler 12, outer auxiliary filler 15, Gland 13 are all fixed on valve gap 18 by screw 8; Valve gap 18 and Gland 13 are respectively equipped with groove, and in groove, are separately installed with several guidance tape 7 (the present embodiment is three), Gland 13 is also respectively equipped with interior circular groove, peripheral groove, valve stem seal 14 is installed in interior circular groove; In peripheral groove, sealing is installed, in order to the pressure of sealing from seawater direction.
Be provided with flashboard 3 in above-mentioned valve 2, and this flashboard 3 contacts with valve rod 4.
When above-mentioned valve 2 is closed, the interior inclined-plane of valve gap 18 contacts with the outer inclined-plane of valve rod 4, and forms sealing inclined-plane 9.
Above-mentioned spacer ring 11 pushes down main filler 10.
Above-mentioned valve stem seal 14 and the interior O type that the is sealed into circle 19 installed of peripheral groove.
The effect of above-mentioned guidance tape 7 is: in order to avoid valve rod 4 is in promotion flashboard 3 moves, occurs that the main filler of bias effect 10 and auxiliary filler 12 seal, meanwhile, avoid valve rod 4 to wear and tear with valve gap 18, spacer ring 11, Gland 13 metal to metal at the volley.
Working principle of the present invention:
Main filler 10 seals from valve internal force 16, and during main filler 10 good seal, interior auxiliary filler 12 and outer auxiliary filler 15 do not bear the pressure from valve 2, and like this, in valve rod 4 moves, the friction that interior auxiliary filler 12 bears is less, can reduce its wearing and tearing.When main filler 10 lost efficacy because of wearing and tearing, interior auxiliary filler 12 and outer auxiliary filler 15 can seal very well, thus, ensure the reliability of filling system.
During work, main filler 10, interior auxiliary filler 12 and outer auxiliary filler 15 are for sealed valve 2 internal pressure, and spacer ring 11 for supporting main filler 10 and interior auxiliary filler 12, and bears the thrust of autonomous filler 10; The seawater external pressure 17 that valve stem seal 14 and O shape circle 19 sealing seawater produce, guidance tape 11 pairs of valve rods 4 play centering pilot effect, and Gland 13 is for fixing all sealings and filler.When valve 2 is closed completely, the sealing inclined-plane 9 that valve rod 4 and valve gap 18 are formed, can form the sealing of metal to metal.
The present invention is for gate valve, and the packing seal structure of valve is described, other valve applications is identical, therefore repeat no more.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. the stuffing seal of a valve rod under water, be provided with: a valve seat, the valve be arranged on valve seat, the driver be arranged on valve, it is characterized in that: valve is provided with a stem packing seal arrangement, this stem packing seal arrangement comprises: be arranged on the valve gap on valve, the valve rod be arranged in valve gap through hole, be sleeved on a spacer ring, Gland on this valve rod and in valve cover hole, wherein, a main filler is installed in the annular space that valve cover hole and valve rod are formed; In the annular space that spacer ring and valve rod are formed, interior auxiliary filler is installed, outer auxiliary filler is installed between spacer ring and valve cover hole; And spacer ring, interior auxiliary filler, outer auxiliary filler, Gland are all fixed on valve gap; Valve gap and Gland are respectively equipped with groove, and in groove, are separately installed with several guidance tape, Gland is also respectively equipped with interior circular groove, peripheral groove, in interior circular groove, valve stem seal is installed; In peripheral groove, sealing is installed.
2. the stuffing seal of valve rod under water according to claim 1, it is characterized in that: be provided with flashboard in described valve, and this flashboard contacts with valve rod.
3. the stuffing seal of valve rod under water according to claim 1, is characterized in that: during described valve closing, and the interior inclined-plane of valve gap contacts with the outer inclined-plane of valve rod, and forms sealing inclined-plane.
4. the stuffing seal of valve rod under water according to claim 1, is characterized in that: described spacer ring pushes down main filler.
5. the stuffing seal of valve rod under water according to claim 1, is characterized in that: described valve stem seal and the interior O type that the is sealed into circle installed of peripheral groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510963715.1A CN105402483A (en) | 2015-12-21 | 2015-12-21 | Valve rod packing sealing device of underwater valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510963715.1A CN105402483A (en) | 2015-12-21 | 2015-12-21 | Valve rod packing sealing device of underwater valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105402483A true CN105402483A (en) | 2016-03-16 |
Family
ID=55468145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510963715.1A Pending CN105402483A (en) | 2015-12-21 | 2015-12-21 | Valve rod packing sealing device of underwater valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402483A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641320A (en) * | 2017-02-14 | 2017-05-10 | 中国船舶重工集团公司第七二五研究所 | Valve rod seal structure of underwater ball valve |
| CN108443524A (en) * | 2018-05-21 | 2018-08-24 | 天津祥嘉流体控制系统有限公司 | The underwater flat gate valve of subsea tree |
| CN110132499A (en) * | 2019-05-16 | 2019-08-16 | 中国海洋石油集团有限公司 | Deep sea valve valve rod and filler two way seal RTA reliability test assembly and method |
| CN112243478A (en) * | 2018-06-06 | 2021-01-19 | 芙罗服务管理公司 | Valve assemblies, valve packing assemblies, and associated systems and methods |
| CN113417580A (en) * | 2021-06-23 | 2021-09-21 | 四川宏华石油设备有限公司 | Manifold device and manifold system adopting same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330842A (en) * | 2011-10-22 | 2012-01-25 | 无锡智能自控工程有限公司 | Valve rod sealing structure for cryogenic butterfly valve under ultralow temperature working condition |
| CN202302270U (en) * | 2011-09-29 | 2012-07-04 | 天津百利展发集团有限公司 | Automatic packing sealing structure of high-pressure valve |
| CN203286121U (en) * | 2013-06-05 | 2013-11-13 | 环球阀门集团有限公司 | Self-sealing gate valve |
| CN203395360U (en) * | 2013-07-19 | 2014-01-15 | 苏州道森钻采设备股份有限公司 | Composite filler sealing structure used for ultrahigh-pressure valve |
| CN104832703A (en) * | 2015-05-04 | 2015-08-12 | 中国海洋石油总公司 | Two-way valve rod sealing structure of deep-sea high pressure valve and sealing anti-attrition test method |
| US20150267819A1 (en) * | 2014-03-18 | 2015-09-24 | Vetco Gray Inc. | Seal Element Having Contoured V-Spring |
-
2015
- 2015-12-21 CN CN201510963715.1A patent/CN105402483A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202302270U (en) * | 2011-09-29 | 2012-07-04 | 天津百利展发集团有限公司 | Automatic packing sealing structure of high-pressure valve |
| CN102330842A (en) * | 2011-10-22 | 2012-01-25 | 无锡智能自控工程有限公司 | Valve rod sealing structure for cryogenic butterfly valve under ultralow temperature working condition |
| CN203286121U (en) * | 2013-06-05 | 2013-11-13 | 环球阀门集团有限公司 | Self-sealing gate valve |
| CN203395360U (en) * | 2013-07-19 | 2014-01-15 | 苏州道森钻采设备股份有限公司 | Composite filler sealing structure used for ultrahigh-pressure valve |
| US20150267819A1 (en) * | 2014-03-18 | 2015-09-24 | Vetco Gray Inc. | Seal Element Having Contoured V-Spring |
| CN104832703A (en) * | 2015-05-04 | 2015-08-12 | 中国海洋石油总公司 | Two-way valve rod sealing structure of deep-sea high pressure valve and sealing anti-attrition test method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641320A (en) * | 2017-02-14 | 2017-05-10 | 中国船舶重工集团公司第七二五研究所 | Valve rod seal structure of underwater ball valve |
| CN106641320B (en) * | 2017-02-14 | 2020-07-24 | 中国船舶重工集团公司第七二五研究所 | Valve rod sealing structure of underwater ball valve |
| CN108443524A (en) * | 2018-05-21 | 2018-08-24 | 天津祥嘉流体控制系统有限公司 | The underwater flat gate valve of subsea tree |
| CN112243478A (en) * | 2018-06-06 | 2021-01-19 | 芙罗服务管理公司 | Valve assemblies, valve packing assemblies, and associated systems and methods |
| CN112243478B (en) * | 2018-06-06 | 2023-11-03 | 芙罗服务管理公司 | Valve assembly, valve packing assembly, and related systems and methods |
| CN110132499A (en) * | 2019-05-16 | 2019-08-16 | 中国海洋石油集团有限公司 | Deep sea valve valve rod and filler two way seal RTA reliability test assembly and method |
| CN110132499B (en) * | 2019-05-16 | 2020-06-09 | 中国海洋石油集团有限公司 | Method for testing reliability of bidirectional dynamic seal of deep sea valve rod |
| CN113417580A (en) * | 2021-06-23 | 2021-09-21 | 四川宏华石油设备有限公司 | Manifold device and manifold system adopting same |
| CN113417580B (en) * | 2021-06-23 | 2024-04-09 | 四川宏华石油设备有限公司 | Manifold device and manifold system adopting same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105402483A (en) | Valve rod packing sealing device of underwater valve | |
| US20140084199A1 (en) | Valve stem seal arrangement | |
| CN103672130A (en) | Deepwater underwater brake valve hydraulic driver | |
| US20150144823A1 (en) | Dual seal fire safe stem packing orientation | |
| CN203926889U (en) | A kind of fire-proof ball valve with Novel valve seat structure | |
| CN205173525U (en) | Submarine pipeline pair gate valve | |
| CN104696585A (en) | Multi-protection corrugated pipe stop valve for chlorine | |
| GB2524035A (en) | A powered subsea tool assembly, to reinstate the intended functionality of a subsea tree valve actuator | |
| CN105402433B (en) | The external and internal pressure sealing structure of underwater ball valve | |
| CN102966740B (en) | The non-active Double End sealing device for stern tube of water lubrication deep-water | |
| CN102032358A (en) | All-welded buried root ball valve of compound seal fixed ball | |
| CN102865378B (en) | Anti-scouring stop valve | |
| CN103850662B (en) | One is annular preventer under water | |
| CN202418878U (en) | High temperature-resistant and ultrahigh pressure-resistant valve rod metal dynamic sealing structure | |
| US10036485B2 (en) | Dual seal fire safe stem packing orientation | |
| CN202561109U (en) | V-shaped ball valve | |
| CN204459147U (en) | A kind of Bolt Connection Bidirectional static seal structure | |
| CN202901300U (en) | Anti-scouring stop valve | |
| CN204253505U (en) | A kind of seal arrangement preventing hydraulic machine piston bar oil impregnate | |
| CN204345025U (en) | A kind of two ball sea cock and valve | |
| CN205173845U (en) | Self -energized seal device under water | |
| CN205877390U (en) | Soft metal valve rod protection device of hydraulic operated valve | |
| CN203797008U (en) | Double-seal hydraulic sluice valve for hydropower station | |
| CN203857118U (en) | Sealing device for the valve rod of spherical valve | |
| KR20170013225A (en) | Submarine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant after: China Offshore Oil Group Co., Ltd. Applicant after: Offshore Oil Engineering Co., Ltd. Applicant after: Neway Valve (Suzhou) Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant before: China National Offshore Oil Corporation Applicant before: Offshore Oil Engineering Co., Ltd. Applicant before: Neway Valve (Suzhou) Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160316 |