CN107515079A - The detection means of spheroid and valve base seal property in a kind of ball valve - Google Patents
The detection means of spheroid and valve base seal property in a kind of ball valve Download PDFInfo
- Publication number
- CN107515079A CN107515079A CN201610431292.3A CN201610431292A CN107515079A CN 107515079 A CN107515079 A CN 107515079A CN 201610431292 A CN201610431292 A CN 201610431292A CN 107515079 A CN107515079 A CN 107515079A
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- tested
- spheroid
- pedestal
- detection means
- valve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/12—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water
- G01M3/14—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/144—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for valves
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to the detection means of spheroid and valve base seal property in a kind of ball valve, for detecting the sealing between tested valve seat and tested spheroid, detection means includes pedestal, bushing pipe, briquetting and pressing plate, pedestal includes cavity penetrating up and down, upper junction plate and lower connecting plate positioned at chamber outer wall, and a supporting table is provided with cavity；Bushing pipe is set in the cavity of pedestal, for supporting tested valve seat；Briquetting is connected with pressing plate, and lower surface is sphere, for compressing tested spheroid；Pressing plate is connected with briquetting, while is connected by the upper junction plate of upper stud and top nut and pedestal；In use, by tested valve seat supports on bushing, tested spheroid is placed on tested valve seat detection means, and compression block compresses above tested spheroid, by pedestal be placed on it is valve test bed detected, or pedestal connection blind plate is detected.Compared with prior art, the present invention has the advantages that simple in construction, easy to use, detection accuracy is high, detection efficiency is high.
Description
Technical field
The present invention relates to a kind of ball valve detection means, more particularly, to spheroid and valve base seal property in a kind of ball valve
Detection means.
Background technology
Ball valve be widely used petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power,
The industries such as municipal administration, steel, very important status is occupied in national economy.It has the action being rotated by 90 °,
Faucet body is spheroid, has manhole or passage to pass through its axis.
Ball valve is mainly used to make the flow direction for cutting off, distributing and changing medium in pipeline, its only needs rotation
The operation turning 90 degrees and the rotating torque of very little can just close tight.To be reached between spheroid and valve seat during ball valve use
To the requirement of sealing property, i.e., it is required that being fully sealed between spheroid and valve seat.And spheroid in ball valve manufacturing process
Fit together what is used after usually being completed respectively with valve seat again, and needed by the detection to ball valve by ball
Body carries out the detection of ball valve sealing performance again after being completed with valve seat, and if the sealing of spheroid and valve seat is not up to
Disassemble to when requiring, then by ball valve, so that further spheroid or valve seat construction is adjusted, to cause ball valve
Sealing reach requirement.
Therefore, a kind of device just detected before ball valve assembling to spheroid and seat leakage is lacked at present,
To improve operating efficiency, the number of ball valve assembly and disassembly is reduced.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide it is a kind of it is simple in construction,
The detection means of spheroid and valve base seal property in ball valve easy to use, detection accuracy is high, detection efficiency is high.
The purpose of the present invention can be achieved through the following technical solutions：
The detection means of spheroid and valve base seal property in a kind of ball valve, for detect tested valve seat and tested spheroid it
Between sealing, described detection means includes：
Pedestal：Including cavity penetrating up and down, upper junction plate and lower connecting plate positioned at chamber outer wall, in cavity
Provided with a supporting table；
Bushing pipe：It is set in the cavity of pedestal, and is supported by the supporting table of pedestal, for supports tested valve seat；
Briquetting：It is connected with pressing plate, and lower surface is sphere, for compressing tested spheroid；
Pressing plate：It is connected with briquetting, while is connected by the upper junction plate of upper stud and top nut and pedestal；
In use, by tested valve seat supports on bushing, tested spheroid is placed on tested valve seat detection means, and
Compression block compresses above tested spheroid, by pedestal be placed on it is valve test bed detected, or pedestal is connected into blind plate
Detected.
Supporting table is provided with the inside of described bushing pipe, spring is provided with the supporting table of bushing pipe, spring is provided with support ring,
Described tested valve seat is placed on support ring.
Described lining pipe is to change, with the spheroid of adaptive testing different size and the valve seat of pairing.
Described bushing pipe inwall is shiny surface, and the position that tested valve seat is in contact is provided with the 3rd O shapes in bushing pipe
Circle.
Back-up ring is provided with above described bushing pipe, pushes down bushing pipe on the downside of described back-up ring, in the outer wall and pedestal of back-up ring
Wall is close to set, and the inwall of back-up ring is close to set with tested valve seat outer wall so that the upper and lower ends of bushing pipe are kept off respectively
The supporting table of circle and pedestal limits and fixes in the vertical direction.
The outer wall of described bushing pipe is close to set with base internal wall, and is set at the position that bushing pipe is in contact with base internal wall
It is equipped with the second O-ring.
The first occupation mode of detection means of the present invention, i.e., when pedestal being placed on into valve test bed detected, directly
Connect and the lower connecting plate of pedestal is connected with valve test bed, carry out tested sealing between valve seat and tested spheroid
Property detection.
Second of occupation mode of detection means of the present invention, i.e., it is connected by pedestal with blind plate and carries out tested valve seat and tested ball
During sealing propertytest between body, described blind plate is connected by the lower connecting plate of lower stud and lower nut and pedestal,
And described blind plate, base internal wall, tested valve seat and tested spheroid surrounds seal cavity, is opened up on described blind plate
The air inlet of gases at high pressure is passed through in oriented seal cavity.
Described blind plate is provided with the first O-ring with pedestal junction.
Second of occupation mode of detection means of the present invention is in use, screw top nut, by pressing plate and briquetting to tested
Spheroid is coated with leak-checking agent in the junction of tested spheroid and tested valve seat, led to by air inlet with defined pretightning force
Enter gases at high pressure, by pressure needed for being established in seal cavity and time detecting as defined in keeping is tested spheroid and tested
The junction leakage situation of valve seat, if the agent of stopping leakage in the roof of the junction of tested spheroid and tested valve seat has bubble appearance,
Illustrate that the sealing property between spheroid and valve seat is poor, be unsatisfactory for requiring, if the tested spheroid of gear and tested valve seat
The agent bubble-free appearance of stopping leakage in the roof of junction, illustrates that the sealing property between spheroid and valve seat is preferable, meets testing requirements.
Compared with prior art, the present invention has advantages below and beneficial effect：
1st, detection means of the present invention is easy to use, just can be by between the spheroid and valve seat of ball valve before ball valve assembling
Sealing property detected, it is not necessary to ball valve assemble after detect sealing, therefore, detection efficiency greatly improves.
2nd, detection means of the invention is in use, spheroid and valve seat are easy for installation, can pass through auxiliary during detection
Valve test bed progress, gases at high pressure can also be passed through by blind plate to detect the sealing between spheroid and valve seat,
Therefore, apparatus of the present invention are easy to use, and detection accuracy is high.
Brief description of the drawings
Fig. 1 is the structure of the detecting device schematic diagram of the present invention.
Label in figure：1st, lower stud, 2, lower nut, 3, blind plate, the 4, first O-ring, 5, pedestal, 6,
Second O-ring, 7, bushing pipe, 8, spring, 9, support ring, the 10, the 3rd O-ring, 11, tested valve seat, 12,
Back-up ring, 13, tested spheroid, 14, briquetting, 15, pressing plate, 16, upper stud, 17, top nut, 18, air inlet
Mouthful.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
The detection means of spheroid and valve base seal property in a kind of ball valve, as shown in figure 1, for detecting tested valve seat
Sealing between 11 and tested spheroid 13, detection means include pedestal 5, bushing pipe 7, briquetting 14 and pressing plate 15,
Pedestal 5 includes cavity penetrating up and down, upper junction plate and lower connecting plate positioned at chamber outer wall, is provided with cavity
One supporting table；Bushing pipe 7 is set in the cavity of pedestal 5, and is supported by the supporting table of pedestal 5, for supporting quilt
Side valve seat 11；Briquetting 14 is connected with pressing plate 15, and lower surface is sphere, for compressing tested spheroid 13；Pressure
Plate 15 is connected with briquetting 14, while is connected by upper stud 16 and top nut 17 with the upper junction plate of pedestal 5；
For detection means in use, tested valve seat 11 is supported on bushing 7, tested spheroid 13 is placed on tested valve seat
On 11, and the tested top compression block 14 of spheroid 13 compresses, by pedestal 5 be placed on it is valve test bed detected,
Or pedestal 5 is connected into blind plate 3 and detected.
Specifically, the inner side of bushing pipe 7 is provided with supporting table, and spring 8, spring 8 are provided with the supporting table of bushing pipe 7
Support ring 9 is provided with, tested valve seat 11 is placed on support ring 9.Bushing pipe 7 can be changed, different with adaptive testing
The spheroid of specification and the valve seat of pairing.The inwall of bushing pipe 7 is shiny surface, is in contact in bushing pipe 7 with tested valve seat 11
Position be provided with the 3rd O-ring 10.The top of bushing pipe 7 is provided with back-up ring 12, and bushing pipe 7 is pushed down in the downside of back-up ring 12,
The outer wall of back-up ring 12 is close to set with the inwall of pedestal 5, and the inwall of back-up ring 12 is close to set with the tested outer wall of valve seat 11
Put so that the upper and lower ends of bushing pipe 7 are limited by the supporting table of back-up ring 12 and pedestal 5 and are fixed on vertical side respectively
Upwards.The outer wall of bushing pipe 7 is close to set with the inwall of pedestal 5, and in the portion that bushing pipe 7 is in contact with the inwall of pedestal 5
Position is provided with the second O-ring 6.
The first occupation mode of this detection means, i.e., when pedestal 5 being placed on into valve test bed detected, directly
The lower connecting plate of pedestal 5 is connected with valve test bed, be tested between valve seat 11 and tested spheroid 13
Sealing propertytest.
Second of occupation mode of this detection means, i.e., it is connected by pedestal 5 with blind plate 3 and carries out tested valve seat 11 and quilt
When surveying the sealing propertytest between spheroid 13, blind plate 3 passes through the lower company of lower stud 1 and lower nut 2 and pedestal 5
Fishplate bar connects, and blind plate 3 is provided with the first O-ring 4 with the junction of pedestal 5.And blind plate 3, the inwall of pedestal 5,
Tested valve seat 11 and tested spheroid 13 surround seal cavity, are opened up on blind plate 3 in oriented seal cavity and are passed through high pressure
The air inlet 18 of gas.
Second of occupation mode of this detection means passes through pressing plate 15 and briquetting 14 in use, screw top nut 17
To tested spheroid 13 with defined pretightning force, leak detection is coated with the junction of tested spheroid 13 and tested valve seat 11
Agent, gases at high pressure are passed through by air inlet 18, when by pressure needed for being established in seal cavity and as defined in keeping
Between detect the junction leakage situation of tested spheroid 13 and tested valve seat 11.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using hair
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and herein
The General Principle of explanation is applied in other embodiment without by performing creative labour.Therefore, the present invention is unlimited
In above-described embodiment, according to the announcement of the present invention, do not depart from that scope made changes those skilled in the art
Entering and change all should be within protection scope of the present invention.
Claims (8)
1. the detection means of spheroid and valve base seal property in a kind of ball valve, for detect tested valve seat (11) with
Sealing between tested spheroid (13), it is characterised in that described detection means includes：
Pedestal (5)：Including cavity penetrating up and down, upper junction plate and lower connecting plate positioned at chamber outer wall, in chamber
It is provided with a supporting table in vivo；
Bushing pipe (7)：It is set in the cavity of pedestal (5), and is supported by the supporting table of pedestal (5), for props up
The tested valve seat (11) of support；
Briquetting (14)：It is connected with pressing plate (15), and lower surface is sphere, for compressing tested spheroid (13)；
Pressing plate (15)：It is connected with briquetting (14), while passes through upper stud (16) and top nut (17) and base
The upper junction plate connection of seat (5)；
Detection means in use, tested valve seat (11) is supported on bushing (7), put by tested spheroid (13)
Put on tested valve seat (11), and compression block (14) compresses above tested spheroid (13), by pedestal (5)
Be placed on it is valve test bed detected, or by pedestal (5) connect blind plate (3) detected.
2. the detection means of spheroid and valve base seal property in a kind of ball valve according to claim 1, it is special
Sign is, is provided with supporting table on the inside of described bushing pipe (7), spring (8) is provided with the supporting table of bushing pipe (7),
Spring (8) is provided with support ring (9), and described tested valve seat (11) is placed on support ring (9).
3. the detection means of spheroid and valve base seal property in a kind of ball valve according to claim 1, it is special
Sign is that described bushing pipe (7) inwall is shiny surface, is in contact in bushing pipe (7) with tested valve seat (11)
Position is provided with the 3rd O-ring (10).
4. the detection means of spheroid and valve base seal property in a kind of ball valve according to claim 1, it is special
Sign is, is provided with back-up ring (12) above described bushing pipe (7), described back-up ring pushes down lining on the downside of (12)
Manage (7), the outer wall of back-up ring (12) is close to set with pedestal (5) inwall, and the inwall of back-up ring (12) is with being tested
Valve seat (11) outer wall is close to set so that the upper and lower ends of bushing pipe (7) are respectively by back-up ring (12) and pedestal (5)
Supporting table limitation and fix in the vertical direction.
5. the detection means of spheroid and valve base seal property in a kind of ball valve according to claim 1, it is special
Sign is that the outer wall of described bushing pipe (7) is close to set with pedestal (5) inwall, and in bushing pipe (7) and base
The position that seat (5) inwall is in contact is provided with the second O-ring (6).
6. the detection means of spheroid and valve base seal property in a kind of ball valve according to claim 1, it is special
Sign is, when pedestal (5) is placed on into valve test bed detected, directly by the lower connecting plate of pedestal (5)
It is connected with valve test bed, carries out tested sealing propertytest between valve seat (11) and tested spheroid (13).
7. the detection means of spheroid and valve base seal property in a kind of ball valve according to claim 1, it is special
Sign is, pedestal (5) is connected with blind plate (3) and be tested between valve seat (11) and tested spheroid (13)
Sealing propertytest when, described blind plate (3) passes through lower stud (1) and lower nut (2) and pedestal (5)
Lower connecting plate connects, and described blind plate (3), pedestal (5) inwall, tested valve seat (11) and tested spheroid
(13) seal cavity is surrounded, is opened up on described blind plate (3) and entering for gases at high pressure is passed through in oriented seal cavity
Gas port (18).
8. the detection means of spheroid and valve base seal property in a kind of ball valve according to claim 7, it is special
Sign is that described blind plate (3) is provided with the first O-ring (4) with pedestal (5) junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431292.3A CN107515079A (en) | 2016-06-17 | 2016-06-17 | The detection means of spheroid and valve base seal property in a kind of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431292.3A CN107515079A (en) | 2016-06-17 | 2016-06-17 | The detection means of spheroid and valve base seal property in a kind of ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN107515079A true CN107515079A (en) | 2017-12-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610431292.3A Pending CN107515079A (en) | 2016-06-17 | 2016-06-17 | The detection means of spheroid and valve base seal property in a kind of ball valve |
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| Country | Link |
|---|---|
| CN (1) | CN107515079A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375926A (en) * | 2019-07-26 | 2019-10-25 | 福建省特种设备检验研究院 | A kind of valve socket welding end pressure testing sealing structure and its pressure-measuring method |
| CN111512133A (en) * | 2017-12-27 | 2020-08-07 | 株式会社开滋 | Method for testing pressure resistance of pressure equipment such as valve, pressure resistance testing device therefor, and pressure equipment |
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| EP0646745A1 (en) * | 1993-10-01 | 1995-04-05 | BTR plc | Ball valve assembly |
| CA2237456A1 (en) * | 1997-06-11 | 1998-12-11 | Jonathan Peter Worsfold | Fluid detection device |
| CN202494550U (en) * | 2012-01-13 | 2012-10-17 | 德利赉精密五金制品(深圳)有限公司 | Ball valve tightness tester for automobile brake system |
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| CN203374874U (en) * | 2013-08-06 | 2014-01-01 | 宁波东生建材有限公司 | Leakage detecting device for ball valve |
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|---|---|---|---|---|
| EP0646745A1 (en) * | 1993-10-01 | 1995-04-05 | BTR plc | Ball valve assembly |
| CA2237456A1 (en) * | 1997-06-11 | 1998-12-11 | Jonathan Peter Worsfold | Fluid detection device |
| CN202494550U (en) * | 2012-01-13 | 2012-10-17 | 德利赉精密五金制品(深圳)有限公司 | Ball valve tightness tester for automobile brake system |
| CN202547870U (en) * | 2012-04-10 | 2012-11-21 | 江苏金石阀业有限公司 | Valve pressure test clamp |
| CN103575596A (en) * | 2012-08-05 | 2014-02-12 | 都红云 | Pressure testing device |
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Non-Patent Citations (1)
| Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111512133A (en) * | 2017-12-27 | 2020-08-07 | 株式会社开滋 | Method for testing pressure resistance of pressure equipment such as valve, pressure resistance testing device therefor, and pressure equipment |
| CN111512133B (en) * | 2017-12-27 | 2023-11-21 | 株式会社开滋 | Pressure-proof inspection method for pressure equipment such as valve |
| CN110375926A (en) * | 2019-07-26 | 2019-10-25 | 福建省特种设备检验研究院 | A kind of valve socket welding end pressure testing sealing structure and its pressure-measuring method |
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