CN108662156A - A kind of blowout prevention Anti-dismantling pressure gauge valve - Google Patents
A kind of blowout prevention Anti-dismantling pressure gauge valve Download PDFInfo
- Publication number
- CN108662156A CN108662156A CN201810989094.8A CN201810989094A CN108662156A CN 108662156 A CN108662156 A CN 108662156A CN 201810989094 A CN201810989094 A CN 201810989094A CN 108662156 A CN108662156 A CN 108662156A
- Authority
- CN
- China
- Prior art keywords
- pressure gauge
- hole
- spool
- blowout prevention
- dismantling
- 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
- 230000002265 prevention Effects 0.000 title claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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
-
- 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
-
- 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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
- G01L19/003—Fluidic connecting means using a detachable interface or adapter between the process medium and the pressure gauge
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Safety Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The application provides a kind of blowout prevention Anti-dismantling pressure gauge valve, including：Pipe connection portion, anti-ejection section and Anti-dismantling portion.Wherein, the anti-ejection section further comprises spool, blowout prevention valve pocket, sealing ring and spring, stepped throughhole is equipped in the middle part of blowout prevention valve pocket, sealing ring is arranged between the shaft shoulder face of spool and the first order cascaded surface of through-hole, and spring is arranged between spool end and the second level cascaded surface of through-hole.In actual use, spring, which squeezes spool end, makes sealing ring be detached with first order cascaded surface, it keeps being connected to inside through-hole and pipeline, pressure gauge is set to detect the pressure in pipeline by through-hole, when pressure gauge valve is disassembled, spring no longer squeezes spool end, and spool is made sealing ring touch first order cascaded surface by the effect of the pressure of gas in pipelines or liquid, it prevents surge in pipeline from coming out, while there is blowout prevention and anti-disassembling function.
Description
Technical field
This application involves petrochemical equipment technical field more particularly to a kind of blowout prevention Anti-dismantling pressure gauge valves.
Background technology
Pressure gauge valve is mounted on the conveyance conduit in oil or chemical industry place, pressure gauge is passed through valve body and pipeline
Connection, to the pressure of gas in display pipes.In order to measure the gas or fluid pressure in pipeline, pressure gauge valve is usually being pacified
After between pipeline and pressure gauge, the cavity of connection is formed, i.e. gas in pipeline or liquid can pass through the chamber of this connection
Body enters in the measurement range of pressure gauge.Existing pressure gauge valve is generally valve-type structure and valve post rod type structure, for
Petrochemical industry place, sometimes pipeline can be laid with unattended field locations, due to left unguarded, the easily stolen loss of pressure gauge, or
Person makes the gas in pipeline or liquid leakage since pressure gauge damages, and causes energy waste, environmental pollution, and very possible
Bring danger.
In order to avoid pressure gauge is stolen, the prior art provides a kind of Anti-dismantling pressure gauge valve.The gauge stand of the table valve is arranged
In tamper revolving sleeve, and the radial dismounting screw hole for coordinating special tool ejector screw rod, pressure are equipped on the top of tamper revolving sleeve
The detection part and valve part of power table are all disposed in gauge stand.In practical application, which can not use conventional work
Tool dismounting can only be clamped by dismantling screw from the cubic both sides of pressure gauge, to be dismantled together with tamper revolving sleeve, to reach
To certain Anti-dismantling effect.
But although this Anti-dismantling pressure gauge valve has certain Anti-dismantling effect, if thief knows pressure gauge
When the tamper principle of valve, or pass through violent means, it is easy to pressure gauge valve and pressure gauge be disassembled, caused in pipeline
Gas or liquid leakage, cause physical waste.In addition, the gas in the moment being disassembled in pressure gauge or pipeline or liquid
Pressure it is larger when, be easy to high pressure gas or liquid injection occur, injure surrounding people.
Invention content
This application provides a kind of blowout prevention Anti-dismantling pressure gauge valves, are easy to be disassembled to solve conventional pressure table valve, and
There is the problem of fluid high-pressure injection in dismounting.
Blowout prevention Anti-dismantling pressure gauge valve provided by the present application, including：Pipe connection portion, anti-ejection section and Anti-dismantling portion；
Wherein, the one end in the Anti-dismantling portion connects pressure gauge, and the other end connects the pipeline by the anti-ejection section
Interconnecting piece；The pipe connection portion is arranged on pipeline, inside the anti-ejection section, Anti-dismantling portion, pressure gauge and pipeline
Connection；
The anti-ejection section includes spool, blowout prevention valve pocket, sealing ring and spring；The spool has multidiameter structure,
Through-hole is equipped in the middle part of the blowout prevention valve pocket, at least there is the through-hole two-stage hierarchic structure, the sealing ring to be arranged in the valve
On core on the shaft shoulder face far from the pipe connection portion；The spool is arranged in the through-hole of the blowout prevention valve pocket, makes described close
Seal contacts the through-hole on the first order cascaded surface of the pipe connection portion；
One end of the spring is arranged on second level cascaded surface of the through-hole far from the pipe connection portion, the bullet
Another end in contact of spring simultaneously squeezes end face of the spool far from the pipe connection portion；Connect close to the pipeline on the spool
The area of the end face of socket part is more than the area in first shaft shoulder face.
Optionally, the Anti-dismantling portion includes oversheath, magnet, magnetosheath and pressure gauge connecting seat；
The oversheath is coated on the outside of the pressure gauge connecting seat and the blowout prevention valve pocket, and the magnet is symmetrical
Two permanent magnets on blowout prevention valve set are set, and the magnetosheath is ladder-like forever with setting on the outer jacket two
Magnet moves radially in the hole that the magnetosheath can be arranged on the outer jacket.
Optionally, the magnet is cylindrical structure, and the magnetosheath is ladder-like frustum cone structure；The diameter of the magnet is big
In or equal to the magnetosheath minimum diameter；The magnetosheath is made of the metal material of magnetic conductivity.
Optionally, it is equipped with the connecting hole for being connected to the through-hole in the middle part of the pressure gauge connecting seat；It is set on the inner wall of connecting hole
There is an internal thread, the test section of pressure gauge is by the mating connection with internal thread on the pressure gauge connecting seat；It is leaned in connecting hole
The test section of nearly pressure gauge is additionally provided with loop buffer washer.
Optionally, the pipe connection portion includes：Guard circle, connection screw thread platform and inner sheath；
The guard circle is tube-shaped structure, and the connection screw thread platform is truncated cone-shaped structure, the guard circle and the company
Screw thread platform is connect to be arranged concentrically on the outer wall of pipeline；The inner sheath, which is connected through a screw thread, to be fixed on the connection screw thread platform,
The middle part of the inner sheath is equipped with the receiving hole of the spool.
Optionally, the spool further includes the spout hole being arranged in the spool side, and the spout hole extends radially through
The spool, the gap between the spout hole connection through-hole and the inner sheath.
Optionally, the inner wall of the guard circle is equipped with internal thread, and the outer wall in Anti-dismantling portion is equipped with external screw thread, described anti-
Disassembling part is mounted on by screw-thread fit on the guard circle.
Optionally, the sealing ring is soft circular ring shape plastic ring made of polytetrafluoroethylene material, first shaft shoulder
Face is equipped with annular groove, and the sealing ring is embedded in the annular groove, and protrudes and be arranged relative to first shaft shoulder face.
By above technical scheme it is found that the application provides a kind of blowout prevention Anti-dismantling pressure gauge valve, including：Pipe connection portion,
Anti- ejection section and Anti-dismantling portion.Wherein, the one end in Anti-dismantling portion connects pressure gauge, and the other end passes through anti-ejection section connecting pipe
Interconnecting piece；Pipe connection portion is arranged on pipeline, will be connected to inside pressure gauge and pipeline.The anti-ejection section further comprises valve
Core, blowout prevention valve pocket, sealing ring and spring, blowout prevention valve pocket middle part are equipped with stepped throughhole, and the shaft shoulder in spool is arranged in sealing ring
Between face and the first order cascaded surface of through-hole, spring is arranged between spool end and the second level cascaded surface of through-hole.
In actual use, spring, which squeezes spool end, makes sealing ring be detached with first order cascaded surface, keeps through-hole and pipe
Connection inside road, enables pressure gauge to detect the pressure in pipeline by through-hole, and when pressure gauge valve is disassembled, spring no longer squeezes
Spool end, spool is pressed so that sealing ring is touched first order cascaded surface by the effect of the pressure of gas in pipelines or liquid, prevent pipe
Surge comes out in road, and the pressure gauge valve can also be such that pressure gauge valve needs special by the Anti-dismantling portion of magneticaction
Tool can dismantle, while there is blowout prevention anti-disassembling function, solve conventional pressure table valve and be easy to be disassembled, and dismantling
When there is the problem of fluid high-pressure injection.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also
It can be obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of blowout prevention Anti-dismantling pressure gauge valve；
Fig. 2 is the partial structural diagram of pressure gauge valve described in the embodiment of the present application；
Fig. 3 is the special spanner structural schematic diagram being adapted to the pressure gauge valve in the embodiment of the present application；
It illustrates：
Wherein, 1- pipe connection portions；11- guard circles；12- connection screw thread platforms；13- inner sheaths；The anti-ejection sections of 2-；21- valves
Core；211- shaft shoulders face；212- spout holes；22- blowout prevention valve pockets；221- through-holes；222- first order cascaded surfaces；The second level 223- ladder
Face；23- sealing rings；24- springs；3- Anti-dismantlings portion；31- oversheaths；32- magnets；33- magnetosheaths；34- pressure gauge connecting seats；35-
Buffer gasket；4- pressure gauges；5- pipelines；6- special spanners；61- handwheels.
Specific implementation mode
Embodiment will be illustrated in detail below, the example is illustrated in the accompanying drawings.In the following description when referring to the accompanying drawings,
Unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Implementation described in following embodiment
Mode does not represent all embodiments consistent with the application.Only it is and be described in detail in claims, the application
The example of the consistent system and method for some aspects.
It is a kind of structural schematic diagram of blowout prevention Anti-dismantling pressure gauge valve referring to Fig. 1.
A kind of blowout prevention Anti-dismantling pressure gauge valve provided by the present application, including：Pipe connection portion 1, anti-ejection section 2 and tamper
Unload portion 3.Wherein, the one end in the Anti-dismantling portion 3 connects pressure gauge 4, and the other end connects the pipeline by the anti-ejection section 2
Interconnecting piece 1；The pipe connection portion 1 is arranged on pipeline 5, by the anti-ejection section 2, Anti-dismantling portion 3, pressure gauge 4 and pipe
5 inside connection of road.In actual use, pipe connection portion 1, the middle part of 3 three of anti-ejection section 2 and Anti-dismantling portion, which has, to be interconnected
Through-hole, so that pressure gauge 4 is connected to pipeline 5, make environmental pressure residing for the test section of pressure gauge 4 in pipeline 5
Pressure it is identical, to detect the pressure of air in pipeline or liquid.
As shown in Fig. 2, the anti-ejection section 2 includes spool 21, blowout prevention valve pocket 22, sealing ring 23 and spring 24；It is described
There is spool 21 multidiameter structure, 22 middle part of the blowout prevention valve pocket to be equipped with through-hole 221, and the through-hole 221 at least has two-stage rank
Terraced structure, the sealing ring 23 are arranged on the spool 21 on the shaft shoulder face 211 far from the pipe connection portion 1；The valve
Core 21 is arranged in the through-hole 221 of the blowout prevention valve pocket 22, and the sealing ring 23 is made to contact the through-hole 221 close to the pipeline
On the first order cascaded surface 222 of interconnecting piece 1.
Further, the sealing ring 23 be polytetrafluoroethylene material made of soft circular ring shape plastic ring, described first
Shaft shoulder face 211 is equipped with annular groove, and the sealing ring 23 is embedded in the annular groove, and relative to first shaft shoulder face
211 protrusion settings.
The second level cascaded surface 223 far from the pipe connection portion 1 in the through-hole 221 is arranged in one end of the spring 24
On, another end in contact of the spring 24 simultaneously squeezes end face of the spool 21 far from the pipe connection portion 1；The spool 21
The upper area close to the end face of the pipe connection portion 1 is more than the area in first shaft shoulder face 211.
In actual use, after in entire pressure gauge valve, installation is complete, spring 24 is in a kind of compressed state, and bullet
Spring 24 is greater than the elastic force of 21 end face of spool the pressure that gas or liquid generate another end face of spool 21 in pipeline 5, from
And make to be separated from each other between sealing ring 23 and the first order cascaded surface 222 of through-hole 221, the substance in pipeline 5 can pass through generation
Gap enter in through-hole 221 so that into the detection range of pressure gauge 4.This time, since the elastic force of spring 24 acts on,
Through-hole 221 is always maintained at unimpeded, i.e., the gas or fluid pressure in through-hole 221 and the gas or fluid pressure in pipeline 5
It is consistent, realizes that pressure gauge 4 shows the pressure in pipeline 5.
After pressure gauge valve is considered dismounting, blowout prevention valve pocket 22 is removed together with spring 24, and spring 24 is not connecing
Contact the end face of spool 21, spool 21 on another end face due to by the pressure of gas or liquid in pipeline 5, and to first
It moves in the direction of cascaded surface 222 so that sealing ring 23 touches the first cascaded surface 222, reaches sealing effect and prevents in pipeline 5
Gas or liquid outflow.Since the pressure of gas or liquid generally can all be higher than the atmospheric pressure in external environment in pipeline 5, because
After entire pressure gauge valve is disassembled, gas or liquid in pipeline 5 are enough to reset the position of spool 21 for this.This Shen
In the technical solution that please be provided, using the principle of differential pressure between 21 two end faces of spool, when making normal work, pressure gauge 4 can
Detect the material pressure in pipeline 5；And after pressure gauge valve is removed, the position that principle of differential pressure makes spool 21 can be utilized multiple
Position, that is, close sense channel.
It should be noted that in technical solution provided by the present application, spring 24 may be used stainless steel and be made,
The elastic force and amount of elastic deformation being specifically capable of providing should be selected according to the pressure in pipeline 5, i.e., the spring that spring 24 provides
Pressure is unsuitable too small, and to ensure in course of normal operation, sealing ring 23 will not touch the first cascaded surface 222, enable pressure gauge 4
The enough pressure accurately detected in pipeline 5；The elastic force that spring 24 provides also should not be too large, to avoid sealing ring 23 and the first rank
The distance between tread 222 is excessive so that when pressure gauge valve is disassembled, can not block, cause to through-hole 221 in time
Surge in pipeline 5 comes out.
In technical solution provided by the present application, the Anti-dismantling portion 3 include oversheath 31, magnet 32, magnetosheath 33 and
Pressure gauge connecting seat 34；The oversheath 31 is coated on the outside of the pressure gauge connecting seat 34 and the blowout prevention valve pocket 22,
The magnet 32 is two permanent magnets being symmetricly set on the blowout prevention valve pocket 22, and the magnetosheath 33 is with setting described outer
Two ladder-like permanent magnets on sheath 31 move radially in the hole that the magnetosheath 33 can be arranged on the oversheath 31.
In the present embodiment, Anti-dismantling portion 3 needs that with unification special spanner 6 installation and removal could be implemented.Special spanner 6
Structure as shown in figure 3, in installation process, first unclamp 6 two handwheels 61 of special spanner, be sleeved on outside blowout prevention Anti-dismantling pressure gauge valve
On sheath 31, it is directed at 33 position of magnetosheath, handwheel 61 is screwed, overcomes the repulsion between magnet 32 and magnetosheath 33, make magnetosheath 33 to magnetic
The direction of body 32 moves, after reaching tightened position, so that it may be mounted and dismounted.In the present embodiment, by the way that Anti-dismantling portion is arranged
3, the magnet peer between magnet 32 and magnetosheath 33 can be kept close after installation is complete, generate mutually exclusive and detach, generate
Dislocation, i.e., after installation is complete, entire oversheath 31 present to be dismantled by common extracting tool, reach anti-
The purpose of dismounting.
Further, the magnet 32 is cylindrical structure, and the magnetosheath 33 is ladder-like frustum cone structure；The magnet 32
Diameter be greater than or equal to the magnetosheath 33 minimum diameter；The magnetosheath 33 is made of the metal material of magnetic conductivity.Actually make
In, first magnet 32 can be fixed on blowout prevention valve pocket 22, then magnetosheath 33 is mounted on oversheath 31 with very close to magnet 32
In the mounting hole of upper setting.Schematically, after mounting, N is extremely arranged magnet 32 outward, then the N of magnetosheath 33 is extremely close to the N of magnet 32
Pole is arranged, i.e., the N of magnetosheath 33 is extremely inwardly arranged.
Further, 34 middle part of the pressure gauge connecting seat is equipped with the connecting hole for being connected to the through-hole 221；Connecting hole it is interior
Wall is equipped with internal thread, and the test section of pressure gauge 4 is by the mating connection with internal thread on the pressure gauge connecting seat 34；Even
It connects the test section in hole close to pressure gauge 4 and is additionally provided with loop buffer washer 35.In actual use, pressure gauge 4 can be connected by screw thread
It connects on the medium position of pressure gauge connecting seat 34, pressure gauge 4 is disassembled in order to prevent, other lockings can be assisted to arrange
It applies, or is also provided with corresponding attachment device between pressure gauge 4 and spring 24, to realize after pressure gauge 4 is disassembled, bullet
Spring 24 no longer generates elastic force to spool 21, and the substance in pipeline 5 is avoided to spray.Loop buffer washer 35 can be to pressure detecting model
Gas or liquid flow in enclosing is into row buffering, to which the pressure value for making pressure gauge 4 detect tends towards stability.
Red in the section Example of the application, the pipe connection portion 1 includes：Guard circle 11, connection screw thread platform 12 with
And inner sheath 13.Wherein, the guard circle 11 is tube-shaped structure, and the connection screw thread platform 12 is truncated cone-shaped structure, the guarantor
Guard ring 11 and the connection screw thread platform 12 are arranged concentrically on the outer wall of pipeline 5；The inner sheath 13 is connected through a screw thread fixation
On the connection screw thread platform 12, the middle part of the inner sheath 13 is equipped with the receiving hole of the spool 21.
In actual use, guard circle 11 and connection screw thread platform 12 can be welded on the outer wall of pipeline 5, and guard circle 11 is main
Play a part of to protect connecting portion, it can also be used to which the oversheath 31 of entire pressure gauge valve is installed.Specifically, the guard circle 11
Inner wall is equipped with internal thread, and the outer wall in Anti-dismantling portion 3 is equipped with external screw thread, i.e., is equipped with external screw thread on oversheath 31.It is described anti-
Disassembling part 3 is mounted on by screw-thread fit on the guard circle 11.The middle part of connection screw thread platform 12 is equipped with through-hole, connecting pipe 5.
Inner sheath 13 can be connected through a screw thread, and be mounted on connection screw thread platform 12, to limit the position of spool 21, to be formed enough
Pressure difference.
Further, the spool 21 further includes the spout hole 212 being arranged in 21 side of the spool, the spout hole
212 extend radially through the spool 21, and the spout hole 212 is connected to the gap between through-hole 221 and the inner sheath 13.Overflow
Hole 212 can keep the material pressure around spool 21 balanced, be convenient for spool 21 when spring 24 generates elastic force effect to spool 21
Entirety is moved.
By above technical scheme it is found that the application provides a kind of blowout prevention Anti-dismantling pressure gauge valve, including：Pipe connection portion 1,
Anti- ejection section 2 and Anti-dismantling portion 3.Wherein, the one end in Anti-dismantling portion 3 connects pressure gauge 4, and the other end is connected by anti-ejection section 2
Connect pipe connection portion 1；Pipe connection portion 1 is arranged on pipeline 5, and pressure gauge 5 is connected to 5 inside of pipeline.The anti-ejection section 2
Further comprise that spool 21, blowout prevention valve pocket 22, sealing ring 23 and spring 24,22 middle part of blowout prevention valve pocket are equipped with stepped throughhole
221, sealing ring 23 is arranged between the shaft shoulder face 211 of spool 21 and the first order cascaded surface 222 of through-hole 221, and spring 24 is arranged
Between 21 end face of spool and the second level cascaded surface 223 of through-hole 221.
In actual use, spring 24, which squeezes 21 end face of spool, makes sealing ring 23 be detached with first order cascaded surface 222, keeps
Through-hole 221 is connected to 5 inside of pipeline, so that pressure gauge 4 is detected the pressure in pipeline 5 by through-hole 221, when pressure gauge valve quilt
When dismounting, spring 24 no longer squeezes the end face of spool 21, and spool 21 is made sealing ring by the pressure of gas or liquid effect in pipeline 5
23 touch first order cascaded surface 222, prevent surge in pipeline 5 from coming out, the pressure gauge valve can also be made by magnetic force
Anti-dismantling portion 3 makes pressure gauge valve need special tool that can dismantle, while having blowout prevention and anti-disassembling function, solution
Certainly conventional pressure table valve is easy to be disassembled, and the problem of fluid high-pressure injection occurs in dismounting.
Similar portion cross-reference between embodiment provided by the present application, specific implementation mode provided above is only
It is several examples under the total design of the application, does not constitute the restriction of the application protection domain.For those skilled in the art
For member, any other embodiment expanded without creative efforts according to application scheme all belongs to
In the protection domain of the application.
Claims (8)
1. a kind of blowout prevention Anti-dismantling pressure gauge valve, which is characterized in that including：Pipe connection portion (1), anti-ejection section (2) and anti-
Disassembling part (3)；
Wherein, one end connection pressure gauge (4) of the Anti-dismantling portion (3), the other end pass through described in anti-ejection section (2) connection
Pipe connection portion (1)；The pipe connection portion (1) is arranged on pipeline (5), by the anti-ejection section (2), Anti-dismantling portion (3),
Connection inside pressure gauge (4) and pipeline (5)；
The anti-ejection section (2) includes spool (21), blowout prevention valve pocket (22), sealing ring (23) and spring (24)；The spool
(21) there is multidiameter structure, through-hole (221) is equipped in the middle part of the blowout prevention valve pocket (22), the through-hole (221) at least has two
The shaft shoulder face far from the pipe connection portion (1) is arranged on the spool (21) in grade hierarchic structure, the sealing ring (23)
(211) on；Spool (21) setting makes the sealing ring (23) contact in the through-hole (221) of the blowout prevention valve pocket (22)
The through-hole (221) is on the first order cascaded surface (222) of the pipe connection portion (1)；
One end setting of the spring (24) is in second level cascaded surface of the through-hole (221) far from the pipe connection portion (1)
(223) on, another end in contact of the spring (24) simultaneously squeezes end of the spool (21) far from the pipe connection portion (1)
Face；It is more than the face in first shaft shoulder face (211) on the spool (21) close to the area of the end face of the pipe connection portion (1)
Product.
2. blowout prevention Anti-dismantling pressure gauge valve according to claim 1, which is characterized in that the Anti-dismantling portion (3) includes outer
Sheath (31), magnet (32), magnetosheath (33) and pressure gauge connecting seat (34)；
The oversheath (31) is coated on the outside of the pressure gauge connecting seat (34) and the blowout prevention valve pocket (22), the magnetic
Body (32) is two permanent magnets being symmetricly set on the blowout prevention valve pocket (22), and the magnetosheath (33) is with setting described outer
Two ladder-like permanent magnets on sheath (31), in the hole that the magnetosheath (33) can be arranged on the oversheath (31) radially
It is mobile.
3. blowout prevention Anti-dismantling pressure gauge valve according to claim 2, which is characterized in that the magnet (32) is cylindrical ties
Structure, the magnetosheath (33) are ladder-like frustum cone structure；The diameter of the magnet (32) is greater than or equal to the magnetosheath (33) most
Minor diameter；The magnetosheath (33) is made of the metal material of magnetic conductivity.
4. blowout prevention Anti-dismantling pressure gauge valve according to claim 2, which is characterized in that in the pressure gauge connecting seat (34)
Portion is equipped with the connecting hole for being connected to the through-hole (221)；The inner wall of connecting hole is equipped with internal thread, and the test section of pressure gauge (4) is logical
The mating connection with internal thread is crossed on the pressure gauge connecting seat (34)；In connecting hole also close to the test section of pressure gauge (4)
Equipped with loop buffer washer (35).
5. blowout prevention Anti-dismantling pressure gauge valve according to claim 1, which is characterized in that the pipe connection portion (1) includes：
Guard circle (11), connection screw thread platform (12) and inner sheath (13)；
The guard circle (11) is tube-shaped structure, and the connection screw thread platform (12) is truncated cone-shaped structure, the guard circle (11)
It is arranged concentrically on the outer wall of pipeline (5) with the connection screw thread platform (12)；The inner sheath (13) is connected through a screw thread fixation
On the connection screw thread platform (12), the middle part of the inner sheath (13) is equipped with the receiving hole of the spool (21).
6. blowout prevention Anti-dismantling pressure gauge valve according to claim 5, which is characterized in that the spool (21) further includes setting
Spout hole (212) in the spool (21) side, the spout hole (212) extends radially through the spool (21), described to overflow
Discharge orifice (212) is connected to the gap between through-hole (221) and the inner sheath (13).
7. blowout prevention Anti-dismantling pressure gauge valve according to claim 6, which is characterized in that on the inner wall of the guard circle (11)
Equipped with internal thread, the outer wall of Anti-dismantling portion (3) is equipped with external screw thread, and the Anti-dismantling portion (3) is mounted on institute by screw-thread fit
It states on guard circle (11).
8. blowout prevention Anti-dismantling pressure gauge valve according to claim 1, which is characterized in that the sealing ring (23) is polytetrafluoro
Soft circular ring shape plastic ring made of vinyl material, first shaft shoulder face (211) are equipped with annular groove, the sealing ring (23)
It is embedded in the annular groove, and protrudes and be arranged relative to first shaft shoulder face (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810989094.8A CN108662156A (en) | 2018-08-28 | 2018-08-28 | A kind of blowout prevention Anti-dismantling pressure gauge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810989094.8A CN108662156A (en) | 2018-08-28 | 2018-08-28 | A kind of blowout prevention Anti-dismantling pressure gauge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108662156A true CN108662156A (en) | 2018-10-16 |
Family
ID=63788841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810989094.8A Pending CN108662156A (en) | 2018-08-28 | 2018-08-28 | A kind of blowout prevention Anti-dismantling pressure gauge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108662156A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537136A (en) * | 2020-06-05 | 2020-08-14 | 安徽威特仪表科技有限公司 | Air pressure detecting meter |
| CN111664988A (en) * | 2020-06-19 | 2020-09-15 | 南阳理工学院 | Water pipe pressure online detection method |
| CN112228778A (en) * | 2020-10-10 | 2021-01-15 | 天长市志昊机电配件有限公司 | Blowout prevention and disassembly prevention pressure gauge valve |
| CN117571194A (en) * | 2024-01-16 | 2024-02-20 | 山东中煤电器有限公司 | Sensing equipment for testing fluid pressure in pipeline |
| WO2024087989A1 (en) * | 2022-10-25 | 2024-05-02 | 呼伦贝尔安泰热电有限责任公司扎兰屯热电厂 | Pressure gauge fixing device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649770Y (en) * | 2003-08-29 | 2004-10-20 | 吴吉林 | Anti-theft wellhead device |
| CN201246136Y (en) * | 2008-07-14 | 2009-05-27 | 沈阳航院石油设备厂 | Blowout prevention safety valve of oil pumping machine well head |
| CN202108997U (en) * | 2011-06-10 | 2012-01-11 | 中国石油天然气股份有限公司 | Self-closing pressure gauge valve |
| CN202510109U (en) * | 2012-04-13 | 2012-10-31 | 黄祥豹 | Pressing device of oil-water well |
| CN202673237U (en) * | 2012-06-29 | 2013-01-16 | 盐城市崇达石化机械有限公司 | Antitheft wellhead pressure tapping device for oilfield |
| CA2950611A1 (en) * | 2012-07-20 | 2014-01-20 | Weatherford Technology Holdings, Llc | Cartridge valve assembly for wellhead |
| CN203430478U (en) * | 2013-09-14 | 2014-02-12 | 大庆市海龙石油技术开发有限公司 | Blowout control safety valve at opening of rod-pumped well |
| CN205639635U (en) * | 2016-05-16 | 2016-10-12 | 广州白云电器设备股份有限公司 | Junction valve and gas -insulated power equipment seal air pipe way device |
| CN208686975U (en) * | 2018-08-28 | 2019-04-02 | 吴忠市通惠机械制造有限公司 | A kind of blowout prevention Anti-dismantling pressure gauge valve |
-
2018
- 2018-08-28 CN CN201810989094.8A patent/CN108662156A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649770Y (en) * | 2003-08-29 | 2004-10-20 | 吴吉林 | Anti-theft wellhead device |
| CN201246136Y (en) * | 2008-07-14 | 2009-05-27 | 沈阳航院石油设备厂 | Blowout prevention safety valve of oil pumping machine well head |
| CN202108997U (en) * | 2011-06-10 | 2012-01-11 | 中国石油天然气股份有限公司 | Self-closing pressure gauge valve |
| CN202510109U (en) * | 2012-04-13 | 2012-10-31 | 黄祥豹 | Pressing device of oil-water well |
| CN202673237U (en) * | 2012-06-29 | 2013-01-16 | 盐城市崇达石化机械有限公司 | Antitheft wellhead pressure tapping device for oilfield |
| CA2950611A1 (en) * | 2012-07-20 | 2014-01-20 | Weatherford Technology Holdings, Llc | Cartridge valve assembly for wellhead |
| CN203430478U (en) * | 2013-09-14 | 2014-02-12 | 大庆市海龙石油技术开发有限公司 | Blowout control safety valve at opening of rod-pumped well |
| CN205639635U (en) * | 2016-05-16 | 2016-10-12 | 广州白云电器设备股份有限公司 | Junction valve and gas -insulated power equipment seal air pipe way device |
| CN208686975U (en) * | 2018-08-28 | 2019-04-02 | 吴忠市通惠机械制造有限公司 | A kind of blowout prevention Anti-dismantling pressure gauge valve |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537136A (en) * | 2020-06-05 | 2020-08-14 | 安徽威特仪表科技有限公司 | Air pressure detecting meter |
| CN111664988A (en) * | 2020-06-19 | 2020-09-15 | 南阳理工学院 | Water pipe pressure online detection method |
| CN112228778A (en) * | 2020-10-10 | 2021-01-15 | 天长市志昊机电配件有限公司 | Blowout prevention and disassembly prevention pressure gauge valve |
| WO2024087989A1 (en) * | 2022-10-25 | 2024-05-02 | 呼伦贝尔安泰热电有限责任公司扎兰屯热电厂 | Pressure gauge fixing device |
| CN117571194A (en) * | 2024-01-16 | 2024-02-20 | 山东中煤电器有限公司 | Sensing equipment for testing fluid pressure in pipeline |
| CN117571194B (en) * | 2024-01-16 | 2024-03-22 | 山东中煤电器有限公司 | Sensing equipment for testing fluid pressure in pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108662156A (en) | A kind of blowout prevention Anti-dismantling pressure gauge valve | |
| US10100959B2 (en) | Swivel joint for oilfield pumping stimulation | |
| KR101944804B1 (en) | A gas leak detection device using electrode contact | |
| US9476744B2 (en) | Integrated orifice plate assembly | |
| CN204666322U (en) | A kind of seal plug | |
| NO311992B1 (en) | Device for leak detection by pressure testing of flange joints on the ends of pipelines included in the piping system | |
| CN104075051A (en) | Flange having warning function | |
| CN208686975U (en) | A kind of blowout prevention Anti-dismantling pressure gauge valve | |
| CN104048124A (en) | Redundant seal pipeline connector | |
| US20150021863A1 (en) | Mutiple-Leak Proof Sealiing System | |
| WO2002071022A1 (en) | Arrangement at a pipe flange seal | |
| CN104048125A (en) | Redundant seal on-line detecting pipeline connector | |
| KR20160032626A (en) | Blind flanges for pipe hydraulic test | |
| EP2584229B1 (en) | O-ring shield system and method | |
| CN116085683A (en) | Intelligent natural gas conveying valve and node leakage monitoring control system thereof | |
| CN206513998U (en) | A kind of petroleum pipeline instant sealing device | |
| CN203414191U (en) | Online plugging thermal resistor | |
| CN203963320U (en) | Redundancy seals online signal piping joint | |
| CN204300705U (en) | A kind of leak detection device | |
| CN103016874B (en) | The Quick Connect Kit of water-filled radiator air tightness test | |
| CN107894211B (en) | Pipeline inner diameter change detection device and detection method | |
| CN208026159U (en) | A kind of utensil for measuring Corrosion of Oil Pipeline hole | |
| CN111947035A (en) | Method and system for monitoring sealing state of sealed pipeline | |
| CN205226721U (en) | Pipeline hydrophone mounting base | |
| CN109296945A (en) | A kind of natural gas line leak detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |