CN205808635U - Spheroid and the detection device of valve base seal property in ball valve - Google Patents
Spheroid and the detection device of valve base seal property in ball valve Download PDFInfo
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- CN205808635U CN205808635U CN201620591201.8U CN201620591201U CN205808635U CN 205808635 U CN205808635 U CN 205808635U CN 201620591201 U CN201620591201 U CN 201620591201U CN 205808635 U CN205808635 U CN 205808635U
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- spheroid
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- valve
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Abstract
This utility model relates to spheroid and the detection device of valve base seal property in a kind of ball valve, for detecting the sealing between tested valve seat and tested spheroid, detection device includes pedestal, bushing pipe, briquetting and pressing plate, pedestal includes the most penetrating cavity, the upper junction plate being positioned at chamber outer wall and lower connecting plate, is provided with a support platform in cavity;Liner sleeve is located in the cavity of pedestal, is used for supporting tested valve seat;Briquetting is connected with pressing plate, and lower surface is sphere, is used for compressing tested spheroid;Pressing plate is connected with briquetting, is connected with the upper junction plate of pedestal by upper stud and top nut simultaneously;When detection device uses, by tested valve seat supports on lining, tested spheroid is placed on tested valve seat, and above tested spheroid, compression block compresses, and pedestal is placed on valve test bed detection, or pedestal is connected blind plate detects.Compared with prior art, this utility model has simple in construction, easy to use, detection accuracy is high, detection efficiency advantages of higher.
Description
Technical field
This utility model relates to a kind of ball valve detection device, especially relates to spheroid and valve base seal property in a kind of ball valve
Detection device.
Background technology
Ball valve is widely used at petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel
The industries such as ferrum, occupy very important status in national economy.It has the action of 90-degree rotation, and faucet body is spheroid, has
Manhole or passage are by its axis.
Ball valve is mainly used to make the flow direction cutting off, distribute and changing medium in pipeline, and it has only to rotation 90
The operation of degree and the least rotating torque just can be closed tight.Sealing property to be reached between spheroid and valve seat when ball valve uses
Requirement, i.e. it is required that fully seal between spheroid and valve seat.And spheroid is usually made respectively with valve seat in ball valve manufacturing process
Use is fitted together again after completing, and by carrying out again after needing to be completed spheroid with valve seat to the detection of ball valve
The detection of ball valve sealing performance, and if the sealing of spheroid and valve seat does not reaches when requiring, then ball valve dismounting is come, to enter
Spheroid or valve seat construction are adjusted by one step, so that the sealing of ball valve reaches requirement.
Therefore, a kind of device just spheroid and seat leakage detected before ball valve assembles is lacked at present, to carry
High workload efficiency, reduces the number of times of ball valve assembly and disassembly.
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and provide a kind of simple in construction,
Spheroid and the detection device of valve base seal property in ball valve easy to use, detection accuracy is high, detection efficiency is high.
The purpose of this utility model can be achieved through the following technical solutions:
In a kind of ball valve, spheroid and the detection device of valve base seal property, be used for detecting between tested valve seat and tested spheroid
Sealing, described detection device includes:
Pedestal: include the most penetrating cavity, the upper junction plate being positioned at chamber outer wall and lower connecting plate, be provided with in cavity
One supports platform;
Bushing pipe: be set in the cavity of pedestal, and supported by the support platform of pedestal, it is used for supporting tested valve seat;
Briquetting: be connected with pressing plate, and lower surface is sphere, is used for compressing tested spheroid;
Pressing plate: be connected with briquetting, is connected with the upper junction plate of pedestal by upper stud and top nut simultaneously;
When detection device uses, by tested valve seat supports on lining, tested spheroid is placed on tested valve seat, and tested
Above spheroid, compression block compresses, and pedestal is placed on valve test bed detection, or pedestal is connected blind plate detects.
Being provided with support platform inside described bushing pipe, be provided with spring on the support platform of bushing pipe, spring is provided with support ring, described
Tested valve seat be placed on support ring.
Described lining pipe is to change, with spheroid and the valve seat of pairing of adaptive testing different size.
Described bushing pipe inwall is shiny surface, and the position contacted with tested valve seat at bushing pipe is provided with the 3rd O.
Described bushing pipe is arranged over back-up ring, and bushing pipe is pushed down in the downside of described back-up ring, the outer wall of back-up ring and base internal wall
Being close to arrange, the inwall of back-up ring and tested valve seat outer wall are close to arrange so that the two ends up and down of bushing pipe are respectively by back-up ring and pedestal
Support platform limit and fixing in the vertical direction.
The outer wall of described bushing pipe and base internal wall are close to arrange, and arrange at the position that bushing pipe contacts with base internal wall
There is the second O.
This utility model detection the first occupation mode of device, will pedestal when being placed on valve test bed detection,
Directly the lower connecting plate of pedestal was fixed with valve test bed connection, carry out the sealing inspection between tested valve seat and tested spheroid
Survey.
This utility model detection device the second occupation mode, will be connected with blind plate and carries out tested valve seat with tested by pedestal
During sealing propertytest between spheroid, described blind plate is connected with the lower connecting plate of pedestal by lower stud and lower nut, and institute
Blind plate, base internal wall, tested valve seat and the tested spheroid stated surround sealing cavity, and described blind plate is offered oriented annular seal space body
Inside it is passed through the air inlet of gases at high pressure.
Described blind plate and pedestal junction are provided with the first O.
When this utility model detection device the second occupation mode uses, screw top nut, by pressing plate with briquetting to quilt
Survey the spheroid pretightning force with regulation, be coated with leak-checking agent in the junction of tested spheroid and tested valve seat, be passed through height by air inlet
Calm the anger body, by setting up desirable pressure the tested spheroid of time detecting keeping regulation and the combination of tested valve seat sealing cavity
Place's leakage situation, if the agent of stopping leakage in the roof of the junction of tested spheroid and tested valve seat has bubble to occur, illustrate spheroid and valve seat it
Between sealing property poor, be unsatisfactory for requirement, if the agent depletion of QI of stopping leakage in the roof keeping off the junction of tested spheroid and tested valve seat bubbles out
Existing, illustrate that the sealing property between spheroid and valve seat is preferable, meet testing requirement.
Compared with prior art, this utility model has the following advantages and beneficial effect:
1, this utility model detection device is easy to use, just can be by between the spheroid of ball valve and valve seat before ball valve assembles
Sealing property detect, it is not necessary to ball valve assemble after detect sealing, therefore, detection efficiency is greatly improved.
2, when detection device of the present utility model uses, spheroid and valve seat are easy for installation, can be by auxiliary during detection
Valve test bed carry out, it is also possible to be passed through, by blind plate, the sealing that gases at high pressure detect between spheroid and valve seat, therefore, this
Utility model device is easy to use, and detection accuracy is high.
Accompanying drawing explanation
Fig. 1 is structure of the detecting device schematic diagram of the present utility model.
Label in figure: 1, lower stud, 2, lower nut, 3, blind plate, the 4, first O, 5, pedestal, the 6, second O, 7, lining
Pipe, 8, spring, 9, support ring, the 10, the 3rd O, 11, tested valve seat, 12, back-up ring, 13, tested spheroid, 14, briquetting, 15, pressure
Plate, 16, upper stud, 17, top nut, 18, air inlet.
Detailed description of the invention
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment
The detection device of spheroid and valve base seal property in a kind of ball valve, as it is shown in figure 1, be used for detecting tested valve seat 11 with
Sealing between tested spheroid 13, detection device includes pedestal 5, bushing pipe 7, briquetting 14 and pressing plate 15, and pedestal 5 includes leading to up and down
Saturating cavity, the upper junction plate being positioned at chamber outer wall and lower connecting plate, be provided with a support platform in cavity;Bushing pipe 7 is set in base
In the cavity of seat 5, and supported by the support platform of pedestal 5, be used for supporting tested valve seat 11;Briquetting 14 is connected with pressing plate 15, and under
Surface is sphere, is used for compressing tested spheroid 13;Pressing plate 15 is connected with briquetting 14, simultaneously by upper stud 16 and top nut 17 with
The upper junction plate of pedestal 5 connects;When detection device uses, being supported on lining 7 by tested valve seat 11, tested spheroid 13 is placed on
On tested valve seat 11, and above tested spheroid 13, compression block 14 compresses, and pedestal 5 is placed on valve test bed detection, or
Pedestal 5 is connected blind plate 3 detect.
Specifically, being provided with support platform inside bushing pipe 7, be provided with spring 8 on the support platform of bushing pipe 7, spring 8 is provided with support
Circle 9, tested valve seat 11 is placed on support ring 9.Bushing pipe 7 can be changed, with spheroid and the valve of pairing of adaptive testing different size
Seat.Bushing pipe 7 inwall is shiny surface, and the position contacted with tested valve seat 11 at bushing pipe 7 is provided with the 3rd O 10.On bushing pipe 7
Side is provided with back-up ring 12, and bushing pipe 7 is pushed down in the downside of back-up ring 12, and the outer wall of back-up ring 12 and pedestal 5 inwall are close to arrange, back-up ring 12 interior
Wall and tested valve seat 11 outer wall are close to arrange so that the two ends up and down of bushing pipe 7 are limited by the support platform of back-up ring 12 and pedestal 5 respectively
And fix in the vertical direction.The outer wall of bushing pipe 7 and pedestal 5 inwall are close to arrange, and contact with pedestal 5 inwall at bushing pipe 7
Position be provided with the second O 6.
The first occupation mode of this detection device, will pedestal 5 when being placed on valve test bed detection, directly by base
The lower connecting plate of seat 5 was fixed with valve test bed connection, carried out the sealing propertytest between tested valve seat 11 and tested spheroid 13.
This detection device the second occupation mode, will be connected with blind plate 3 and carries out tested valve seat 11 and tested spheroid by pedestal 5
During sealing propertytest between 13, blind plate 3 is connected with the lower connecting plate of pedestal 5 by lower stud 1 and lower nut 2, blind plate 3 and base
Seat 5 junctions are provided with the first O 4.And blind plate 3, pedestal 5 inwall, tested valve seat 11 and tested spheroid 13 surround annular seal space
Body, is passed through the air inlet 18 of gases at high pressure in blind plate 3 is offered oriented annular seal space body.
When this detection device the second occupation mode uses, screw top nut 17, give tested by pressing plate 15 with briquetting 14
Spheroid 13, with the pretightning force of regulation, is coated with leak-checking agent in the junction of tested spheroid 13 and tested valve seat 11, by air inlet 18
It is passed through gases at high pressure, by setting up desirable pressure the tested spheroid of time detecting 13 keeping regulation and tested valve at sealing cavity
The junction leakage situation of seat 11.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use practicality
Novel.These embodiments obviously easily can be made various amendment by person skilled in the art, and explanation at this
General Principle be applied in other embodiments without through performing creative labour.Therefore, this utility model is not limited to above-mentioned
Embodiment, those skilled in the art according to announcement of the present utility model, the improvement made without departing from this utility model category and
Amendment all should be within protection domain of the present utility model.
Claims (8)
1. spheroid and a detection device for valve base seal property in ball valve, be used for detecting tested valve seat (11) and tested spheroid
(13) sealing between, it is characterised in that described detection device includes:
Pedestal (5): include the most penetrating cavity, the upper junction plate being positioned at chamber outer wall and lower connecting plate, be provided with in cavity
One supports platform;
Bushing pipe (7): be set in the cavity of pedestal (5), and supported by the support platform of pedestal (5), it is used for supporting tested valve seat
(11);
Briquetting (14): be connected with pressing plate (15), and lower surface is sphere, is used for compressing tested spheroid (13);
Pressing plate (15): be connected with briquetting (14), simultaneously by upper stud (16) and top nut (17) and the upper junction plate of pedestal (5)
Connect.
Spheroid and the detection device of valve base seal property in a kind of ball valve the most according to claim 1, it is characterised in that institute
Bushing pipe (7) inner side stated is provided with support platform, is provided with spring (8) on the support platform of bushing pipe (7), and spring (8) is provided with support ring
(9), described tested valve seat (11) is placed on support ring (9).
Spheroid and the detection device of valve base seal property in a kind of ball valve the most according to claim 1, it is characterised in that institute
Bushing pipe (7) inwall stated is shiny surface, and the position contacted with tested valve seat (11) at bushing pipe (7) is provided with the 3rd O
(10)。
Spheroid and the detection device of valve base seal property in a kind of ball valve the most according to claim 1, it is characterised in that institute
The bushing pipe (7) stated is arranged over back-up ring (12), and bushing pipe (7) is pushed down in the downside of described back-up ring (12), the outer wall of back-up ring (12) with
Pedestal (5) inwall is close to arrange, and the inwall of back-up ring (12) and tested valve seat (11) outer wall are close to arrange so that bushing pipe (7) upper
Lower two ends are limited by the support platform of back-up ring (12) and pedestal (5) and fixing in the vertical direction respectively.
Spheroid and the detection device of valve base seal property in a kind of ball valve the most according to claim 1, it is characterised in that institute
The outer wall of the bushing pipe (7) stated and pedestal (5) inwall are close to arrange, and set at the position that bushing pipe (7) contacts with pedestal (5) inwall
It is equipped with the second O (6).
Spheroid and the detection device of valve base seal property in a kind of ball valve the most according to claim 1, it is characterised in that will
When pedestal (5) is placed on valve test bed detection, directly the lower connecting plate of pedestal (5) is connected admittedly with valve test bed
Fixed, carry out the sealing propertytest between tested valve seat (11) and tested spheroid (13).
Spheroid and the detection device of valve base seal property in a kind of ball valve the most according to claim 1, it is characterised in that will
When pedestal (5) is connected, with blind plate (3), the sealing propertytest carried out between tested valve seat (11) and tested spheroid (13), described is blind
Plate (3) is connected with the lower connecting plate of pedestal (5) by lower stud (1) and lower nut (2), and described blind plate (3), pedestal (5)
Inwall, tested valve seat (11) and tested spheroid (13) surround sealing cavity, and described blind plate (3) is offered in oriented annular seal space body
It is passed through the air inlet (18) of gases at high pressure.
Spheroid and the detection device of valve base seal property in a kind of ball valve the most according to claim 7, it is characterised in that institute
The blind plate (3) stated and pedestal (5) junction are provided with the first O (4).
Priority Applications (1)
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CN201620591201.8U CN205808635U (en) | 2016-06-17 | 2016-06-17 | Spheroid and the detection device of valve base seal property in ball valve |
Applications Claiming Priority (1)
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CN201620591201.8U CN205808635U (en) | 2016-06-17 | 2016-06-17 | Spheroid and the detection device of valve base seal property in ball valve |
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CN205808635U true CN205808635U (en) | 2016-12-14 |
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CN201620591201.8U Active CN205808635U (en) | 2016-06-17 | 2016-06-17 | Spheroid and the detection device of valve base seal property in ball valve |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107727316A (en) * | 2017-10-26 | 2018-02-23 | 方正阀门集团有限公司 | Fixing ball valve sealing property detection device |
-
2016
- 2016-06-17 CN CN201620591201.8U patent/CN205808635U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107727316A (en) * | 2017-10-26 | 2018-02-23 | 方正阀门集团有限公司 | Fixing ball valve sealing property detection device |
CN107727316B (en) * | 2017-10-26 | 2023-05-12 | 方正阀门集团股份有限公司 | Sealing performance detection device for fixed ball valve |
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