CN109253845A - A kind of precision valve device for detecting sealability - Google Patents

A kind of precision valve device for detecting sealability Download PDF

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Publication number
CN109253845A
CN109253845A CN201811372459.9A CN201811372459A CN109253845A CN 109253845 A CN109253845 A CN 109253845A CN 201811372459 A CN201811372459 A CN 201811372459A CN 109253845 A CN109253845 A CN 109253845A
Authority
CN
China
Prior art keywords
movable plate
connecting tube
valve
fixed
nut
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
Application number
CN201811372459.9A
Other languages
Chinese (zh)
Inventor
吴章宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Baorui A Fluid Technology Co Ltd
Original Assignee
Jiangsu Baorui A Fluid Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Baorui A Fluid Technology Co Ltd filed Critical Jiangsu Baorui A Fluid Technology Co Ltd
Priority to CN201811372459.9A priority Critical patent/CN109253845A/en
Publication of CN109253845A publication Critical patent/CN109253845A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/06Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
    • G01M3/08Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
    • G01M3/086Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for valves

Abstract

The invention discloses a kind of precision valve device for detecting sealability, including fixed plate and movable plate, movable plate is located at the top of fixed plate, four edges at the top of fixed plate are fixed with column, and four columns both pass through the top of movable plate, one end of four columns at the top of movable plate is arranged with circlip, spring is arranged on the outer wall of four columns between fixed plate and movable plate, one end at the top of fixed plate is fixed with sink, one end at the top of movable plate is fixed with air pump, and the other end at the top of movable plate is plugged with connecting tube.It ventilates this practical one end to valve, valve is submerged again in water in the sink, only need to observe the leakproofness for generating in sink either with or without bubble and can determine whether valve, the apparatus structure is simple, testing result can be come out with the intuitive reality of the mode for having bubble-free, compared to more traditional leakage detector, for the judging result of the detection device almost without error, judgment accuracy is higher.

Description

A kind of precision valve device for detecting sealability
Technical field
The present invention relates to a kind of detection device, specially a kind of precision valve device for detecting sealability.
Background technique
Valve is the pipeline fittings for being opened and closed pipeline, control flow direction, the parameter of regulation and control pumped (conveying) medium, according to it Function can be divided into shut-off valve, check-valves, regulating valve etc., and valve is the control unit in fluid delivery system, have cut-off, adjust Section, water conservancy diversion prevent the functions such as adverse current, pressure stabilizing, shunting or overflow pressure relief, and valve can be used for controlling empty gas and water, steam, various corruption The flowing of the various types fluid such as corrosion medium, mud, oil product, liquid metal and radiating medium.
Currently, the detection of valve tightness still lacks effective means, rely on the sense organ and experience of people, judgement is got up scarce more The foundation of weary science, more effective gas, liquid leakage detecting instrument, mostly uses converter technique that ultrasonic signal is converted to human ear The signal that can be heard, it is amplified by the way of headphone monitor, by testing staff according to the presence or absence of voice signal heard and Power identifies whether the size of leakage and leakage rate, especially to the judgement of valve tightness still without effective detection means, Current leakage detector must lean on people's judgement to bring larger human error, and error in judgement rate is high.Therefore we, which make this, changes Into proposing a kind of precision valve device for detecting sealability.
Summary of the invention
To solve defect of the existing technology, the present invention provides a kind of precision valve device for detecting sealability.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of precision valve device for detecting sealability of the present invention, including fixed plate and movable plate, the movable plate are located at fixed plate Top, four edges at the top of the fixed plate are fixed with column, and four columns both pass through movable plate The one end at top, four columns at the top of movable plate is arranged with circlip, between fixed plate and movable plate Spring is arranged on the outer wall of four columns, one end at the top of the fixed plate is fixed with sink, the movable plate The one end at top is fixed with air pump, and the other end at the top of the movable plate is plugged with connecting tube, and the gas outlet of the air pump is logical It crosses snorkel to communicate with the air inlet of connecting tube, the bottom end of the connecting tube is fixed with valve to be detected, is located at connecting tube one Air pump switch is embedded at the top of the movable plate of side, the air pump is electrically connected by air pump switch and external power supply.
As a preferred technical solution of the present invention, the top of the valve to be detected is T-shaped, and the side valve to be checked The outer cover on door top is equipped with the first nut, and the bottom thread of first nut and connecting tube connects, the connecting tube with to The joint place of detection valve is provided with the first sealing ring.
As a preferred technical solution of the present invention, the outer cover at the top of the snorkel is equipped with the second nut, described The joint place of the connection of the screw top of second nut and connecting tube, the connecting tube and snorkel is provided with the second sealing ring.
As a preferred technical solution of the present invention, the bottom and four corners at the top of fixed plate of four columns It is threadedly coupled, is threadedly coupled between the connecting tube and movable plate.
Vertical range as a preferred technical solution of the present invention, between the connecting tube top and movable plate top Greater than the thickness of the second nut, the vertical range between the connecting tube bottom end and movable plate bottom end is greater than the thickness of the first nut Degree.
As a preferred technical solution of the present invention, the depth inside the sink is greater than valve bottom end to be detected and work Vertical range between movable plate bottom end.
The beneficial effects of the present invention are: this kind of precision valve device for detecting sealability, passes through connecting tube using air pump work To one end ventilation of valve to be detected, sink is set in the fixed plate of valve bottom to be detected, after valve to be detected ventilation, Movable plate is pressed downward, valve to be detected is driven to move down, until in the water of valve to be detected submergence in the sink, at this moment only Need to observe the leakproofness for generating in sink either with or without bubble and can determine whether valve to be detected, if there have bubble then to seal to be poor, If without bubble, then leakproofness is good, and the apparatus structure is simple, and testing result can be intuitively existing with the mode for having bubble-free Come out in fact, compared to more traditional leakage detector, the judging result of the detection device almost without error, judgment accuracy compared with It is high.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of precision valve device for detecting sealability of the present invention;
Fig. 2 is a kind of side view of precision valve device for detecting sealability of the present invention;
Fig. 3 is a kind of column of precision valve device for detecting sealability of the present invention and fixed plate junction sectional view;
Fig. 4 is a kind of connecting tube of precision valve device for detecting sealability of the present invention and movable plate bearing sectional view;
Fig. 5 is a kind of circuit connection diagram of precision valve device for detecting sealability of the present invention.
In figure: 1, fixed plate;2, movable plate;3, column;4, circlip;5, spring;6, sink;7, air pump;8, connecting tube;9, Snorkel;10, valve to be detected;11, air pump switch;12, the first nut;13, the first sealing ring;14, the second nut;15, Two sealing rings.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment: shown in as shown in Figure 1, Figure 2, Fig. 3, Fig. 4 and Fig. 5, a kind of precision valve device for detecting sealability of the present invention, packet Fixed plate 1 and movable plate 2 are included, movable plate 2 is located at the top of fixed plate 1, and four edges at 1 top of fixed plate are fixed with Column 3, and four columns 3 both pass through the top of movable plate 2, one end positioned at four columns 3 at 2 top of movable plate is arranged with Circlip 4 is arranged with spring 5 on the outer wall of four columns 3 between fixed plate 1 and movable plate 2,1 top of fixed plate One end is fixed with sink 6, and the one end at 2 top of movable plate is fixed with air pump 7, and the other end at 2 top of movable plate is plugged with company The gas outlet of adapter tube 8, air pump 7 is communicated by snorkel 9 with the air inlet of connecting tube 8, and the bottom end of connecting tube 8 is fixed with to be checked Side valve door 10 is embedded with air pump switch 11 positioned at the top of the movable plate 2 of 8 side of connecting tube, air pump 7 by air pump switch 11 with External power supply is electrically connected.
Wherein, the top of valve 10 to be detected is T-shaped, and the outer cover on 10 top of valve to be detected is equipped with the first nut 12, the first nut 12 is connect with the bottom thread of connecting tube 8, and the joint place of connecting tube 8 and valve 10 to be detected is provided with first The first sealing ring 13 is arranged in the joint place of connecting tube 8 and valve to be detected 10, to connecting tube 8 and side valve to be checked in sealing ring 13 The joint place of door 10 is sealed processing, is then connect with the first nut 12 with the external screw-thread of connecting tube 8, utilizes the first nut 12 are tightly bonded together valve 10 to be detected with connecting tube 8, play good sealing effect.
Wherein, the outer cover at 9 top of snorkel is equipped with the second nut 14, the screw top of the second nut 14 and connecting tube 8 The joint place of connection, connecting tube 8 and snorkel 9 is provided with the second sealing ring 15, sets in the joint place of connecting tube 8 and snorkel 9 Set the second sealing ring 15, processing be sealed to the joint place of connecting tube 8 and snorkel 9, then with the second nut 14 with connect The external screw-thread of pipe 8 connects, and is tightly bonded together snorkel 9 and connecting tube 8 using the second nut 14, plays well Sealing effect.
Wherein, the bottom of four columns 3 is threadedly coupled with four corners at 1 top of fixed plate, connecting tube 8 and movable plate It is threadedly coupled between 2, is fixed using being threadedly coupled, facilitate the dismounting and change in installation and later period, improve installation and removal efficiency.
Wherein, the vertical range between 2 top of 8 top of connecting tube and movable plate is greater than the thickness of the second nut 14, connection Vertical range between 2 bottom end of 8 bottom end of pipe and movable plate is greater than the thickness of the first nut 12, can allow 12 He of the first nut in this way The complete fix in position of second nut 14 avoids the first nut 12 or the second nut 14 from rotating to when being bonded with movable plate 2, connection Pipe 8 and snorkel 9 or connecting tube 8 and valve to be detected 10 fit closely not yet.
Wherein, the depth inside sink 6 is greater than the vertical range between 10 bottom end of valve to be detected and 2 bottom end of movable plate, It can guarantee that entire valve to be detected 10 completely submerges in the water inside screw clamp 6 in this way, it is convenient to entire valve to be detected 10 are detected, and guarantee the accuracy of entire testing result.
When work, first whole device is assembled, suitable position is moved to and fixes and connect external power supply, then will The valve to be detected 10 for needing to detect is threadedly coupled the bottom fixed to connecting tube 8 by the first nut 12 and connecting tube 8, The first sealing ring 13 is provided between connecting tube 8 and valve to be detected 10 in the joint place of connecting tube 8 and valve to be detected 10 First sealing ring 13 is set, processing is sealed to the joint place of connecting tube 8 and valve to be detected 10, then with the first nut 12 It is connect with the external screw-thread of connecting tube 8, valve 10 to be detected is closely adhered to one with connecting tube 8 using the first nut 12 It rises, plays good sealing effect, then press 11 booster air pump 7 of air pump switch, the model of air pump 7 is preferably ZTV05, air pump 7 are aspirated through extraneous air the air inlet that snorkel 9 is transported to connecting tube 8, then defeated from the bottom end of valve 10 to be detected Out, valve 10 to be detected is at this moment closed, presses down on movable plate 2, at this moment movable plate 2 is moved downward along column 3, compression columns Spring 5 on 3 observes in sink 6 whether generate bubble by the lower submerged of valve 10 to be detected in the water of sink 6, if There is bubble then to illustrate that valve 10 to be detected seals poor, if then illustrating that 10 leakproofness of valve to be detected is good without bubble, inspection Hand is unclamped after looking into, at this moment spring 5 starts to spring back, and the top of movable plate 2 can be arrived original position, the apparatus structure is simple, testing result It can be come out with the intuitive reality of the mode for having bubble-free, compared to more traditional leakage detector, the judgement knot of the detection device For fruit almost without error, judgment accuracy is higher.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (6)

1. a kind of precision valve device for detecting sealability, including fixed plate (1) and movable plate (2), which is characterized in that the activity Plate (2) is located at the top of fixed plate (1), and four edges at the top of the fixed plate (1) are fixed with column (3), and four A column (3) both passes through the top of movable plate (2), and the one end for being located at four columns (3) at the top of movable plate (2) is equal Circlip (4) are arranged with, are arranged with bullet on the outer wall of the column (3) of four between fixed plate (1) and movable plate (2) Spring (5), one end at the top of the fixed plate (1) are fixed with sink (6), and one end at the top of the movable plate (2) is fixed with Air pump (7), the other end at the top of the movable plate (2) are plugged with connecting tube (8), and the gas outlet of the air pump (7) passes through ventilation Pipe (9) is communicated with the air inlet of connecting tube (8), and the bottom end of the connecting tube (8) is fixed with valve to be detected (10), is located at and is connected It takes at the top of the movable plate (2) of (8) side and is embedded with air pump switch (11), the air pump (7) passes through air pump switch (11) it is electrically connected with external power supply.
2. a kind of precision valve device for detecting sealability according to claim 1, which is characterized in that the valve to be detected (10) top is T-shaped, and the outer cover on the valve to be detected (10) top is equipped with the first nut (12), first nut (12) it is connect with the bottom thread of connecting tube (8), the joint place of the connecting tube (8) and valve to be detected (10) is provided with first Sealing ring (13).
3. a kind of precision valve device for detecting sealability according to claim 1, which is characterized in that the snorkel (9) The outer cover at top is equipped with the second nut (14), and second nut (14) connect with the screw top of connecting tube (8), the company The joint place of adapter tube (8) and snorkel (9) is provided with the second sealing ring (15).
4. a kind of precision valve device for detecting sealability according to claim 1, which is characterized in that four columns (3) bottom is threadedly coupled with four corners at the top of fixed plate (1), screw thread between the connecting tube (8) and movable plate (2) Connection.
5. a kind of precision valve device for detecting sealability according to claim 1, which is characterized in that the connecting tube (8) Vertical range between top and movable plate (2) top is greater than the thickness of the second nut (14), connecting tube (8) bottom end and work Vertical range between movable plate (2) bottom end is greater than the thickness of the first nut (12).
6. a kind of precision valve device for detecting sealability according to claim 1, which is characterized in that in the sink (6) The depth in portion is greater than the vertical range between valve to be detected (10) bottom end and movable plate (2) bottom end.
CN201811372459.9A 2018-11-19 2018-11-19 A kind of precision valve device for detecting sealability Pending CN109253845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811372459.9A CN109253845A (en) 2018-11-19 2018-11-19 A kind of precision valve device for detecting sealability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811372459.9A CN109253845A (en) 2018-11-19 2018-11-19 A kind of precision valve device for detecting sealability

Publications (1)

Publication Number Publication Date
CN109253845A true CN109253845A (en) 2019-01-22

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CN201811372459.9A Pending CN109253845A (en) 2018-11-19 2018-11-19 A kind of precision valve device for detecting sealability

Country Status (1)

Country Link
CN (1) CN109253845A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375936A (en) * 2019-08-21 2019-10-25 广东天诚密封件股份有限公司 A kind of leakproofness and leakage rate quantitative testing device of crankshaft end cover oil sealing
CN116448334A (en) * 2023-06-20 2023-07-18 青岛朗夫科技股份有限公司 Liquid bag valve gas tightness check out test set

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203132794U (en) * 2013-03-22 2013-08-14 伟成金属制品有限公司 Pressure sealing testing machine
CN207034446U (en) * 2017-07-28 2018-02-23 福建省感创精密机械有限公司 A kind of burnt gas valve joint outer sealing device
CN108051143A (en) * 2017-10-30 2018-05-18 天津永升阀门有限公司 A kind of detection device of novel valve
CN207610824U (en) * 2017-12-28 2018-07-13 天津市易泰柯自动控制设备有限公司 Novel valve sealing property testing equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203132794U (en) * 2013-03-22 2013-08-14 伟成金属制品有限公司 Pressure sealing testing machine
CN207034446U (en) * 2017-07-28 2018-02-23 福建省感创精密机械有限公司 A kind of burnt gas valve joint outer sealing device
CN108051143A (en) * 2017-10-30 2018-05-18 天津永升阀门有限公司 A kind of detection device of novel valve
CN207610824U (en) * 2017-12-28 2018-07-13 天津市易泰柯自动控制设备有限公司 Novel valve sealing property testing equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375936A (en) * 2019-08-21 2019-10-25 广东天诚密封件股份有限公司 A kind of leakproofness and leakage rate quantitative testing device of crankshaft end cover oil sealing
CN116448334A (en) * 2023-06-20 2023-07-18 青岛朗夫科技股份有限公司 Liquid bag valve gas tightness check out test set
CN116448334B (en) * 2023-06-20 2023-09-15 青岛朗夫科技股份有限公司 Liquid bag valve gas tightness check out test set

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