CN109114267A - A kind of structure improving underwater sailing body floatation pod safety valve stability - Google Patents
A kind of structure improving underwater sailing body floatation pod safety valve stability Download PDFInfo
- Publication number
- CN109114267A CN109114267A CN201811171891.1A CN201811171891A CN109114267A CN 109114267 A CN109114267 A CN 109114267A CN 201811171891 A CN201811171891 A CN 201811171891A CN 109114267 A CN109114267 A CN 109114267A
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- CN
- China
- Prior art keywords
- valve
- valve rod
- spring
- diameter
- guide sleeve
- 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
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
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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
- 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
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to a kind of structures for improving underwater sailing body floatation pod safety valve stability, including valve body, valve rod and guide sleeve, valve body is cylindrical, cylindrical outer surface one end is installation screw thread, one end is sealing mating surface, and there are four guide rail, guide rail is in cross for valve inner design, rail height is greater than the maximum distance that moves in safety valve of valve rod, and the fit dimension tolerance of guide rail and valve rod is H9.Valve rod is in ladder circle column, in order to guarantee valve rod and 1 guide rail of valve body not clamping stagnation, the cooperation cylindrical section height of valve rod and guide rail is greater than the half of rail height, fit tolerance is c9, valve rod pacifies that spring-loaded axle diameter is 0.1mm smaller than the internal diameter of spring, reduces spring force and gas acts on the deviation in power direction on valve rod.The big 3mm of guide hole diameter shaft diameter thinner than valve rod on guide sleeve, guarantee not touch with guide hole in stem movement, it is 0.6mm smaller than spring inside diameter to pacify spring-loaded mandrel internal diameter simultaneously, eliminate the presence due to rigging error, valve rod and guide sleeve is caused to pacify spring-loaded mandrel not coaxial, the problem of causing spring to glance off, influencing safe valve performance.
Description
Technical field
The present invention relates to a kind of safety valves of underwater sailing body floatation pod, can significantly improve reliability, the peace of safety valve
Full property and protection, in particular to a kind of structure for improving underwater sailing body floatation pod safety valve job stability.
Background technique
Existing underwater sailing body floatation pod safety valve has that job stability is poor, and valve rod moves in valve body
When, frictional force easily is generated with the mutual making contact of the through-hole of guide sleeve, to be superimposed upon on spring force, and then influences safety valve
Opening and closing pressure；When valve rod moves in valve body simultaneously, when spring, guide sleeve and valve rod mutually assemble, due to existing
Dimensional tolerance and build-up tolerance can make three assemble axis and not be overlapped, while can generate fit-up gap, so that spring is flexible
Skew is generated in the process, causes spring force line direction crooked, is kept the cracking pressure of product and closing pressure index unstable, is filled
Entering the gas in floatation pod by extra discharge, floatation pod swelling volume is insufficient, it is unsatisfactory for requiring for the positive buoyancy that underwater sailing body provides,
There are the risks of product sinking, influence the underwater sailing body safety and reliability that boat recycles in fact.Original safety valve valve simultaneously
The screw thread that body is connect with floatation pod installing seat for safety valves is straight-through screw thread, and when safety valve is on valve seat, screw thread can still expose valve seat,
It is contacted in the presence of with floatation pod, scratches floatation pod, the security risk of floatation pod gas leakage.
Summary of the invention
Technical problem solved by the present invention is in order to solve the problems, such as that existing safety valve poor work stability, the present invention mention
A kind of structure for improving underwater sailing body floatation pod safety valve job stability is gone out.
The technical scheme is that a kind of structure for improving underwater sailing body floatation pod safety valve job stability, including
Valve body, valve rod, spring and guide sleeve, the valve body both ends are provided with axially extending bore along central axis, and through-hole internal diameter is different, small
Diameter through-hole is as safety valve inlet channel；The inner wall that guide sleeve both ends and valve body are provided with major diameter through-hole one end is connected；Valve rod is located at
In valve body, and spring is cased on valve rod, valve rod can be axially moved in valve body；A through-hole is provided on the guide sleeve, and logical
Axially bored line overlaps with valve axis, is provided with annular groove around through-hole with one heart；
Valve rod is second order column, and miner diameter end is located in guide sleeve through-hole, and miner diameter end outer diameter is less than in guide sleeve through-hole
Diameter, when so that valve rod being axially moved, miner diameter end and through-hole do not generate frictional force；Annular is circumferentially with along valve rod axis on step surface
Slot, spring is cased on valve rod, and valve rod pacifies the internal diameter that spring-loaded axle diameter is less than spring；Spring one end is located on bigger diameter end
It is in contact in annular groove and with slot bottom, the other end is located in the annular groove of guide sleeve and is in contact with slot bottom, spring and two rings
Shape groove groove wall does not contact；
Valve body generally column, inner wall are multistage shape, and several axial directions are equipped on the single order inner wall close to path nose end
Guide rail, guide pass is concave circular arc, and concaved circular cambered surface can be bonded to each other with the outer wall of valve rod bigger diameter end, and rail length is greater than
It is long to be greater than guide rail with the axial length of the mutually matched valve rod major diameter section of guide rail for the maximum distance that valve rod is axially moved in valve body
The half of degree；Valve rod can guarantee motion stabilization under railway effect, so that not generating deviation when telescopic spring, prevent from filling
Enter the gas in floatation pod by extra discharge.
A further technical solution of the present invention is: using chamfered at the valve outer wall apex angle and step transition, prevent
The floatation pod only contacted with safety valve is not scratched.
A further technical solution of the present invention is: the guide rail quantity is 4, it is in cross distribution.
A further technical solution of the present invention is: the height of the valve rod bigger diameter end outer wall and the fit tolerance of rail height
For c9.
Invention effect
The technical effects of the invention are that: underwater sailing body floatation pod safety valve can be improved in one kind proposed by the present invention can
There are four guide rails for design in the frame mode of property, safety and protection, valve body, by original safety valve guide sleeve control valve
The frame mode of bar movement is changed to be controlled by four guide rails of valve body；The fit-up gap between spring and valve rod mandrel is reduced,
So that its axis is overlapped, guarantee that the annular groove of guide sleeve is not collided with spring, not additionally to valve rod generate power, avoid due to
Spring assembles deflection bring error, while guide sleeve passes through the guide hole enlarged diameter of the thin axis of valve rod, guarantees that valve rod moves up and down
It is not touched in the process with guide hole, above structure mode can guarantee motion stabilization of the valve rod in safety valve, the operation is stable, safety valve
Reliability, safety and protection be improved, using the present apparatus, the reliability index of valve at least improves 20 percent
To 30 percent.
Detailed description of the invention
Fig. 1 is original safety valve structure figure.
Fig. 2 is the safety valve structure figure for improving reliability, safety and protection.
Fig. 3 is valve body structure schematic diagram.
Fig. 4 stem structure schematic diagram.
Fig. 5 guide sleeve structure schematic diagram.
Description of symbols: 1-valve body, 2-valve rods, 3-guide sleeves, 4-springs, 5-sunk screws, 6-o shapes are close
Seal, 6-vulcanized rubbers
Specific embodiment
Referring to fig. 2-Fig. 5, the present invention include valve body 1, valve rod 2, guide sleeve 3.Valve body 1 is cylindrical, cylindrical outer surface one
End is installation screw thread, and one end is sealing mating surface, and design has O-ring seals installing groove, and there are two the designs of 1 inside one end of valve body
Installation base with threaded hole, the other end are safety valve air inlet larynx diameter, and for 1 interior design of valve body there are four guide rail, guide rail is in cross
Shape, rail height are greater than the maximum distance that moves in safety valve of valve rod 2, and the fit dimension tolerance of guide rail and valve rod 2 is H9.Valve
Bar 2 is in ladder circle column, and the sealing surface vulcanization contacted with valve body 1 has rubber, in order to guarantee valve rod 2 and 1 guide rail of valve body not clamping stagnation,
The cooperation cylindrical section height of valve rod 2 and guide rail is greater than the half of rail height, fit tolerance c9, and valve rod 2 installs spring
Axle diameter it is 0.1mm smaller than the internal diameter of spring, reduce the deviation that spring force and gas act on the direction of power on valve rod 2.
Guide hole diameter on guide sleeve 3 is 3mm bigger than the thin shaft diameter of valve rod 2, guarantees not touch with guide hole in 2 motion process of valve rod, simultaneously
Pacify that spring-loaded mandrel internal diameter is 0.6mm smaller than spring inside diameter, eliminate the presence due to rigging error, valve rod and guide sleeve is caused to be pacified
The problem of spring-loaded mandrel is not coaxial, causes spring to glance off, influences safe valve performance.Wherein mandrel refers to that valve rod is big
Cylindrical body inside the annular groove at diameter end, diameter are less than the internal diameter of spring.
The present embodiment is a kind of small-sized, reliable gas cylinder deflation control device, specifically includes that valve body, valve rod needle and guiding
Set.
Valve body is processed into cylinder with stainless steel, and cylindrical outer surface one end is installation screw thread, the peace on the screw thread and floatation pod
The connection of full valve mounting base, cylindrical outer surface one end are sealing mating surface, and design has O-ring seals installing groove, valve inner one
There are two installation bases with threaded hole for end design, and (two threaded holes on two through-hole alignment valve bodies on valve rod, are then used
Screw links together the two), the other end is safety valve air inlet larynx diameter, and there are four guide rail, guide rail is in ten for valve inner design
Font, wherein valve body cross guide rail and valve rod cooperate, and guide sleeve is greater than valve rod in safety with cooperation, rail height is connect with valve body
The maximum distance moved in valve, so that being always ensured that valve rod moves in guide rail, the fit dimension tolerance of guide rail and valve rod is H9.
Valve rod is processed into ladder circle column with stainless steel, and the sealing surface vulcanization with valve body contact has rubber.In order to guarantee valve rod and valve body
Guide rail not clamping stagnation, after guaranteeing that stem movement is limited, the cooperation cylindrical section height of not guide rail out, valve rod and guide rail is greater than
The half of rail height, fit tolerance c9, it is 0.1mm smaller than the internal diameter of spring that valve rod pacifies spring-loaded axle diameter, subtracts
Little spring elastic force and gas act on the deviation in the direction of power on valve rod.Guiding applies stainless steel processing, the guide hole on guide sleeve
The big 3mm of diameter shaft diameter thinner than valve rod guarantees not touch with guide hole during stem movement, while pacifying spring-loaded mandrel internal diameter
It is 0.6mm smaller than spring inside diameter,
Guide sleeve 3 in the present embodiment is in convex character shape, and high spot axis overlaps with 1 axis of valve body；At raised axis
It is provided with through-hole, is provided with annular groove around through-hole with one heart, and annular groove is similarly positioned in protrusion；3 both ends of guide sleeve are provided with valve body 1
One end of large diameter hole is fixedly connected by sunk screw.1 outer wall of valve body is symmetrically arranged with O-ring seal, for pacifying with external valve seat
Sealing function is played when dress, prevents gas in floatation pod from exposing from gap between the two.
This structure eliminates the presence due to rigging error, causes valve rod and the spring-loaded mandrel of guide sleeve peace not coaxial, draws
Play the problem of spring glances off, influences safe valve performance.By accurately controlling to stem movement, and reduce spring assembly
The measures such as location error can effectively improve the job stability of safety valve, improve reliability, safety and the guarantee of product
Property.
Claims (4)
1. a kind of structure for improving underwater sailing body floatation pod safety valve job stability, including valve body (1), valve rod (2), spring
(4) and guide sleeve (3), valve body (1) both ends are provided with axially extending bore along central axis, and through-hole internal diameter is different, and path is logical
Hole is as safety valve inlet channel；The inner wall that guide sleeve (3) both ends and valve body (1) are provided with major diameter through-hole one end is connected；Valve rod (2)
In valve body (1), and spring (4) are cased on valve rod (2), valve rod (2) can be axially moved in valve body (1)；
It is characterized in that, a through-hole is provided on the guide sleeve (3), and through-bore axis overlaps with valve body (1) axis, through-hole
Surrounding is provided with annular groove with one heart；
Valve rod (2) is second order column, and miner diameter end is located in guide sleeve (3) through-hole, and miner diameter end outer diameter is logical less than guide sleeve (3)
Hole internal diameter, when so that valve rod (2) being axially moved, miner diameter end and through-hole do not generate frictional force；Along valve rod (2) axis week on step surface
It to annular groove is equipped with, is cased with spring (4) on valve rod (2), the axle diameter that valve rod (2) installs spring (4) is less than the internal diameter of spring；
It is in contact in the annular groove that spring (4) one end is located on bigger diameter end and with slot bottom, the other end is located in the annular groove of guide sleeve (3)
And be in contact with slot bottom, spring (4) does not contact with two annular groove groove walls；
Valve body (1) generally column, inner wall are multistage shape, and several axial directions are equipped on the single order inner wall close to path nose end and are led
Rail, guide pass is concave circular arc, and concaved circular cambered surface can be bonded to each other with the outer wall of valve rod (2) bigger diameter end, and rail length is big
It is big with the axial length of the mutually matched valve rod major diameter section of guide rail in valve rod (2) maximum distance that (1) is axially moved in valve body
In the half of rail length；Valve rod (2) can guarantee motion stabilization under railway effect, so that when spring (4) is flexible not
Deviation is generated, prevents the gas being filled in floatation pod by extra discharge.
2. a kind of structure for improving underwater sailing body floatation pod safety valve job stability as described in claim 1, feature exist
In, at valve body (1) the outer wall apex angle and step transition use chamfered, prevent the floatation pod contacted with safety valve from not drawn
It is broken.
3. a kind of structure for improving underwater sailing body floatation pod safety valve job stability as described in claim 1, feature exist
In the guide rail quantity is 4, is in cross distribution.
4. a kind of structure for improving underwater sailing body floatation pod safety valve job stability as described in claim 1, feature exist
In the height of valve rod (2) the bigger diameter end outer wall and the fit tolerance of rail height are c9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811171891.1A CN109114267A (en) | 2018-10-09 | 2018-10-09 | A kind of structure improving underwater sailing body floatation pod safety valve stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811171891.1A CN109114267A (en) | 2018-10-09 | 2018-10-09 | A kind of structure improving underwater sailing body floatation pod safety valve stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109114267A true CN109114267A (en) | 2019-01-01 |
Family
ID=64857595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811171891.1A Pending CN109114267A (en) | 2018-10-09 | 2018-10-09 | A kind of structure improving underwater sailing body floatation pod safety valve stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109114267A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464059A (en) * | 2019-08-29 | 2019-11-19 | 苏州圣盾骑甲运动科技有限公司 | A kind of excitation apparatus and air bag system of air bag clothes |
| CN112649189A (en) * | 2020-12-28 | 2021-04-13 | 西安精密机械研究所 | Capsule pressure detection device and detection method under full thunder state |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0463289A1 (en) * | 1990-06-23 | 1992-01-02 | FILTERWERK MANN & HUMMEL GMBH | Valve, especially for the lubricating oil filter of a combustion engine |
| CN201246502Y (en) * | 2008-09-01 | 2009-05-27 | 西安格威石油仪器有限公司 | Safe oil relief valve |
| CN201250928Y (en) * | 2008-06-22 | 2009-06-03 | 王运辉 | Guide way type symmetrically-clamping check valve |
| CN201844080U (en) * | 2010-11-15 | 2011-05-25 | 中国船舶重工集团公司第七一○研究所 | Air pressure self-adjusting safety valve |
| CN102466047A (en) * | 2010-11-16 | 2012-05-23 | 刘斌 | Novel pneumatic type high speed exhaust/snifter valve |
| CN102661831A (en) * | 2012-04-23 | 2012-09-12 | 四川宁江山川机械有限责任公司 | Reversing device and calibration device and calibration method of pull force value of power indication machine of shock absorber |
-
2018
- 2018-10-09 CN CN201811171891.1A patent/CN109114267A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0463289A1 (en) * | 1990-06-23 | 1992-01-02 | FILTERWERK MANN & HUMMEL GMBH | Valve, especially for the lubricating oil filter of a combustion engine |
| CN201250928Y (en) * | 2008-06-22 | 2009-06-03 | 王运辉 | Guide way type symmetrically-clamping check valve |
| CN201246502Y (en) * | 2008-09-01 | 2009-05-27 | 西安格威石油仪器有限公司 | Safe oil relief valve |
| CN201844080U (en) * | 2010-11-15 | 2011-05-25 | 中国船舶重工集团公司第七一○研究所 | Air pressure self-adjusting safety valve |
| CN102466047A (en) * | 2010-11-16 | 2012-05-23 | 刘斌 | Novel pneumatic type high speed exhaust/snifter valve |
| CN102661831A (en) * | 2012-04-23 | 2012-09-12 | 四川宁江山川机械有限责任公司 | Reversing device and calibration device and calibration method of pull force value of power indication machine of shock absorber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464059A (en) * | 2019-08-29 | 2019-11-19 | 苏州圣盾骑甲运动科技有限公司 | A kind of excitation apparatus and air bag system of air bag clothes |
| CN112649189A (en) * | 2020-12-28 | 2021-04-13 | 西安精密机械研究所 | Capsule pressure detection device and detection method under full thunder state |
| CN112649189B (en) * | 2020-12-28 | 2023-02-21 | 西安精密机械研究所 | Capsule pressure detection device and detection method under full lightning state |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190101 |
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