CN109341983A - A kind of pressure measuring tool - Google Patents
A kind of pressure measuring tool Download PDFInfo
- Publication number
- CN109341983A CN109341983A CN201810900909.0A CN201810900909A CN109341983A CN 109341983 A CN109341983 A CN 109341983A CN 201810900909 A CN201810900909 A CN 201810900909A CN 109341983 A CN109341983 A CN 109341983A
- Authority
- CN
- China
- Prior art keywords
- vertical bar
- vertical tube
- card column
- pressure measuring
- vertical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of pressure measuring tools, including vertical tube, plectane is fixedly installed at the top of the vertical tube, and square hole is offered at the top of plectane, piston plate is equipped in the vertical tube, and fixing sleeve is equipped with gasket on piston plate, the outside of the gasket and the side walls of vertical tube are tightly connected, vertical bar is fixedly installed at the top of the piston plate, and the top of vertical bar extends to above plectane through square hole and is fixedly installed with pressing plate, the two sides of the vertical bar offer card slot, the first circular hole is offered on the two sides inner wall of square hole, sliding sleeve is equipped with card column in first circular hole, and card column extends to outside plectane far from one end of vertical bar, sliding slot is offered in the top inner wall of first circular hole.The configuration of the present invention is simple, worker use convenient for worker by watching barometric reading convenient for judging the hermetic seal of the exhaust pipe after welding and carry out air tightness test to the exhaust pipe after welding.
Description
Technical field
The present invention relates to manometric technique field more particularly to a kind of pressure measuring tools.
Background technique
Exhaust pipe is installed between engine exhaust and silencer, makes whole gas extraction system in Flexible spacecraft, thus
Play the role of vibration and noise reducing, facilitate installation and extend the exhausting silencer system service life, in order to guarantee the gas of the exhaust pipe after welding
Close property and reliability, the exhaust pipe after welded processing need to carry out air-leakage test, weld leakproofness is bad to prevent and
Lead to occur contingency in, lacks currently on the market a kind of convenient for the exhaust pipe progress air tightness test after welding
Pressure measuring tool, therefore we have proposed a kind of pressure measuring tools.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of pressure measuring tool proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of pressure measuring tool, including vertical tube are fixedly installed with plectane at the top of the vertical tube, and offer at the top of plectane
Square hole is equipped with piston plate in the vertical tube, and fixing sleeve is equipped with gasket on piston plate, the outside of the gasket and vertical tube
Side walls are tightly connected, and vertical bar are fixedly installed at the top of the piston plate, and the top of vertical bar extends to circle through square hole
Above plate and it is fixedly installed with pressing plate, the two sides of the vertical bar offer card slot, offer on the two sides inner wall of square hole
First circular hole, sliding sleeve is equipped with card column in first circular hole, and card column extends to outside plectane far from one end of vertical bar；
Sliding slot is offered in the top inner wall of first circular hole, and is slidably connected in sliding slot and corresponding card column outside
The limited block of fixed installation, the limited block is welded with multiple extension springs close to the side of vertical bar, and extension spring is close to perpendicular
Side inner wall of the one end of bar with corresponding sliding slot close to vertical bar mutually welds, and two card column one end close to each other are rotatablely installed
There is idler wheel, and idler wheel is in contact close to the side of vertical bar with vertical bar, the card column is matched with corresponding card slot, the vertical tube
Side is equipped with air gauge, and barometric end of probe extends in vertical tube.
Preferably, the bottom end of the vertical tube is equipped with anchor tip.
Preferably, the second circular hole is offered on the side wall of the vertical tube, and the second circular hole is fixed with barometric end of probe
Suit.
Preferably, third circular hole, and third circular hole and the fixed suit of piston plate are offered at the top of the gasket.
Preferably, it is slidably connected on the outside of the side wall and vertical bar of the square hole.
Preferably, the quantity of the extension spring in the same sliding slot is two to four, and is located in the same sliding slot
Two to four extension springs be set in qually spaced in side of the limited block close to vertical bar.
Preferably, the diameter of the idler wheel is smaller than the diameter of card column, and the diameter of card column is smaller than the diameter of corresponding card slot.
Compared with prior art, the beneficial effects of the present invention are:
Pass through vertical tube, plectane, square hole, piston plate, gasket, vertical bar, card slot, the first circular hole, card column, idler wheel, sliding slot, limit
Position block, extension spring, air gauge, pressing plate are matched with anchor tip, when carrying out air tightness test to the exhaust pipe after welding,
One end of exhaust pipe is blocked, then the other end of exhaust pipe is fixed on anchor tip, pressing plate is pressed downwards at this time, presses
Pressing plate drives piston plate to move down by vertical bar, and piston plate drives gasket slide downward on the side wall of vertical tube, so that producing
A raw downward air pressure, the reading on air gauge changes at this time, when idler wheel is aligned with corresponding card slot, at this time
The elastic force of extension spring drives card column to be caught in card slot by corresponding limited block, and card column limits corresponding card slot, so that perpendicular
Bar is not in movement, and the reading on air gauge is not changing at this time, the phenomenon if the exhaust pipe poor air-tightness after welding leaks air
Occurring, then the reading on air gauge then can constantly reduce, if the exhaust pipe air-tightness after welding is qualified, then the reading on air gauge
Number will not change, so that worker is convenient for judging the hermetic seal of the exhaust pipe after welding by watching barometric reading,
And it is used convenient for worker and air tightness test is carried out to the exhaust pipe after welding.
The configuration of the present invention is simple, worker by watch barometric reading convenient for the hermetic seal of the exhaust pipe after welding into
Row judgement, and used convenient for worker and air tightness test is carried out to the exhaust pipe after welding.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of pressure measuring tool proposed by the present invention；
Fig. 2 is a kind of part A schematic cross-sectional view of pressure measuring tool proposed by the present invention；
Fig. 3 is that the stereochemical structure of a kind of vertical bar of pressure measuring tool proposed by the present invention, piston plate and gasket connector is shown
It is intended to.
In figure: 1 vertical tube, 2 plectanes, 3 square holes, 4 piston plates, 5 gaskets, 6 vertical bars, 7 card slots, 8 first circular holes, 9 card columns, 10
Idler wheel, 11 sliding slots, 12 limited blocks, 13 extension springs, 14 air gauges, 15 pressing plate, 16 anchor tips.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of pressure measuring tool, including vertical tube 1, the top of vertical tube 1 are fixedly installed with plectane 2, and plectane 2
Top offers square hole 3, is equipped with piston plate 4 in vertical tube 1, and fixing sleeve is equipped with gasket 5, the outside of gasket 5 on piston plate 4
It is tightly connected with the side walls of vertical tube 1, the top of piston plate 4 is fixedly installed with vertical bar 6, and square hole 3 is run through on the top of vertical bar 6
It extends to 2 top of plectane and is fixedly installed with pressing plate 15, the two sides of vertical bar 6 offer card slot 7, the two sides inner wall of square hole 3
On offer the first circular hole 8, sliding sleeve is equipped with card column 9 in the first circular hole 8, and card column 9 extends to circle far from one end of vertical bar 6
Outside plate 2, sliding slot 11 is offered in the top inner wall of the first circular hole 8, and is slidably connected in sliding slot 11 and corresponding 9 outside of card column
The limited block 12 of fixed installation, limited block 12 is welded with multiple extension springs 13 close to the side of vertical bar 6, and extension spring 13 is leaned on
Side inner wall of the one end of nearly vertical bar 6 with corresponding sliding slot 11 close to vertical bar 6 mutually welds, two card columns 9 one end close to each other
It is rotatably equipped with idler wheel 10, and idler wheel 10 is in contact close to the side of vertical bar 6 with vertical bar 6, card column 9 and corresponding 7 phase of card slot
Cooperation, the side of vertical tube 1 is equipped with air gauge 14, and the end of probe of air gauge 14 extends in vertical tube 1, by vertical tube 1, plectane 2,
Square hole 3, gasket 5, vertical bar 6, card slot 7, the first circular hole 8, card column 9, idler wheel 10, sliding slot 11, limited block 12, stretches piston plate 4
Spring 13, air gauge 14, pressing plate 15 are matched with anchor tip 16, when carrying out air tightness test to the exhaust pipe after welding,
One end of exhaust pipe is blocked, then the other end of exhaust pipe is fixed on anchor tip 16, presses pressing plate downwards at this time
15, pressing plate 15 drives piston plate 4 to move down by vertical bar 6, and piston plate 4 drives gasket 5 downward on the side wall of vertical tube 1
Sliding so that generate a downward air pressure, the reading on air gauge 14 changes at this time, when idler wheel 10 with it is corresponding
When card slot 7 is aligned, the elastic force of extension spring 13 drives card column 9 to be caught in card slot 7 by corresponding limited block 12 at this time, card column 9
Corresponding card slot 7 is limited, so that vertical bar 6 is not in movement, the reading on air gauge 14 is not changing at this time, if after welding
Exhaust pipe poor air-tightness leaks air phenomenon, then the reading on air gauge 14 then can constantly reduce, if the row after welding
Tracheae air-tightness is qualified, then the reading on air gauge 14 will not change, so that worker is convenient for by watching the reading of air gauge 14
The hermetic seal of exhaust pipe after welding is judged, and is used convenient for worker and air-tightness survey is carried out to the exhaust pipe after welding
Examination, the configuration of the present invention is simple, worker are carried out by the reading of viewing air gauge 14 convenient for the hermetic seal to the exhaust pipe after welding
Judgement, and used convenient for worker and air tightness test is carried out to the exhaust pipe after welding.
In the present invention, the bottom end of vertical tube 1 is equipped with anchor tip 16, and the second circular hole, and are offered on the side wall of vertical tube 1
The end of probe of two circular holes and air gauge 14 is fixed to be set with, and the top of gasket 5 offers third circular hole, and third circular hole and piston
The fixed suit of plate 4, the outside of the side wall and vertical bar 6 of square hole 3 are slidably connected, the extension spring 13 in the same sliding slot 11
Quantity is two to four, and two to four extension springs 13 being located in the same sliding slot 11 are set in qually spaced in limited block 12 and lean on
The side of nearly vertical bar 6, the diameter of idler wheel 10 is smaller than the diameter of card column 9, and the diameter of card column 9 is smaller than the diameter of corresponding card slot 7,
Pass through vertical tube 1, plectane 2, square hole 3, piston plate 4, gasket 5, vertical bar 6, card slot 7, the first circular hole 8, card column 9, idler wheel 10, sliding slot
11, limited block 12, extension spring 13, air gauge 14, pressing plate 15 are matched with anchor tip 16, to the exhaust pipe after welding into
When row air tightness test, one end of exhaust pipe is blocked, then the other end of exhaust pipe is fixed on anchor tip 16, at this time
Pressing plate 15 is pressed downwards, and pressing plate 15 drives piston plate 4 to move down by vertical bar 6, and piston plate 4 drives gasket 5 perpendicular
Slide downward on the side wall of pipe 1, so that generating a downward air pressure, the reading on air gauge 14 changes at this time,
When idler wheel 10 is aligned with corresponding card slot 7, the elastic force of extension spring 13 drives card column 9 to block by corresponding limited block 12 at this time
Enter in card slot 7, card column 9 limits corresponding card slot 7, so that vertical bar 6 is not in movement, the reading on air gauge 14 is not becoming at this time
To change, the phenomenon if the exhaust pipe poor air-tightness after welding leaks air, then the reading on air gauge 14 then can constantly reduce,
If the exhaust pipe air-tightness after welding is qualified, then the reading on air gauge 14 will not change, so that worker passes through viewing air pressure
The reading of table 14 uses convenient for worker to the exhaust pipe after welding convenient for judging the hermetic seal of the exhaust pipe after welding
Air tightness test is carried out, the configuration of the present invention is simple, worker is by the reading of viewing air gauge 14 convenient for the exhaust pipe after welding
Hermetic seal judged, and convenient for worker use to after welding exhaust pipe carry out air tightness test.
Working principle: in use, when carrying out air tightness test to the exhaust pipe after welding, first one end of exhaust pipe
It blocks, then the other end of exhaust pipe is fixed on anchor tip 16, press pressing plate 15,15 band of pressing plate downwards at this time
The dynamic slide downward in square hole 3 of vertical bar 6, drives idler wheel 10 to roll, while vertical bar 6 is with piston while vertical bar 6 moves down
Plate 4 moves down, and piston plate 4 drives the slide downward on the side wall of vertical tube 1 of gasket 5, so that generating a downward air
Pressure, the reading on air gauge 14 changes at this time, when idler wheel 10 is aligned with corresponding card slot 7, extension spring 13 at this time
Elastic force drive corresponding limited block 12 mobile, limited block 12 drives corresponding card column 9 to be caught in card slot 7, and card column 9 is to corresponding
Card slot 7 limits, so that vertical bar 6 is not in movement, the reading on air gauge 14 is not changing at this time, if the exhaust pipe gas after welding
Close property difference leaks air phenomenon, then the reading on air gauge 14 then can constantly reduce, if the exhaust pipe after welding is airtight
Property it is qualified, then the reading on air gauge 14 will not change, so that after worker is convenient for by the reading of viewing air gauge 14 to welding
The hermetic seal of exhaust pipe judged, and used convenient for worker and air tightness test carried out to the exhaust pipe after welding.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of pressure measuring tool, including vertical tube (1), which is characterized in that plectane (2) are fixedly installed at the top of the vertical tube (1),
And square hole (3) are offered at the top of plectane (2), piston plate (4) are equipped in the vertical tube (1), and fixation is arranged on piston plate (4)
Have gasket (5), the outside of the gasket (5) and the side walls of vertical tube (1) are tightly connected, the top of the piston plate (4)
Portion is fixedly installed with vertical bar (6), and the top of vertical bar (6) extended to above plectane (2) through square hole (3) and be fixedly installed with by
The two sides of pressing plate (15), the vertical bar (6) offer card slot (7), offer the first circular hole on the two sides inner wall of square hole (3)
(8), the interior sliding sleeve of first circular hole (8) is equipped with card column (9), and card column (9) extends to plectane far from the one end of vertical bar (6)
(2) outside；
Offered sliding slot (11) in the top inner wall of first circular hole (8), and sliding slot (11) in slidably connect with it is corresponding
The limited block (12) being fixedly mounted on the outside of card column (9), the limited block (12) are welded with multiple stretchings close to the side of vertical bar (6)
Spring (13), and the side inner wall of one end of extension spring (13) close vertical bar (6) and corresponding sliding slot (11) close vertical bar (6)
It mutually welds, two card column (9) one end close to each other are rotatably equipped with idler wheel (10), and idler wheel (10) is close to vertical bar (6)
Side is in contact with vertical bar (6), and the card column (9) matches with corresponding card slot (7), and the side of the vertical tube (1) is equipped with gas
It presses table (14), and the end of probe of air gauge (14) extends in vertical tube (1).
2. a kind of pressure measuring tool according to claim 1, which is characterized in that the bottom end of the vertical tube (1) is equipped with fixation
Connector (16).
3. a kind of pressure measuring tool according to claim 1, which is characterized in that offer on the side wall of the vertical tube (1)
Two circular holes, and the fixed suit of the end of probe of the second circular hole and air gauge (14).
4. a kind of pressure measuring tool according to claim 1, which is characterized in that offer at the top of the gasket (5)
Three circular holes, and third circular hole and piston plate (4) fixed suit.
5. a kind of pressure measuring tool according to claim 1, which is characterized in that the side wall of the square hole (3) and vertical bar (6)
Outside is slidably connected.
6. a kind of pressure measuring tool according to claim 1, which is characterized in that the stretching bullet being located in the same sliding slot (11)
The quantity of spring (13) is two to four, and two to four extension springs (13) spaced set being located in the same sliding slot (11)
In limited block (12) close to the side of vertical bar (6).
7. a kind of pressure measuring tool according to claim 1, which is characterized in that the diameter of the idler wheel (10) is than card column (9)
Diameter it is small, and the diameter of card column (9) is smaller than the diameter of corresponding card slot (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900909.0A CN109341983A (en) | 2018-08-09 | 2018-08-09 | A kind of pressure measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900909.0A CN109341983A (en) | 2018-08-09 | 2018-08-09 | A kind of pressure measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109341983A true CN109341983A (en) | 2019-02-15 |
Family
ID=65296849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810900909.0A Pending CN109341983A (en) | 2018-08-09 | 2018-08-09 | A kind of pressure measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109341983A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115406599A (en) * | 2022-11-03 | 2022-11-29 | 临沭县华裕服装有限公司 | Airtightness detection equipment for production of clothing zippers |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2216666A (en) * | 1988-03-14 | 1989-10-11 | Terence Roy Parlour | Device for detecting gas for water leaks |
| DE3830356A1 (en) * | 1988-09-07 | 1990-03-15 | Stadtwerke Trier | Device for testing the tightness of gas conduits |
| CN201281650Y (en) * | 2008-10-28 | 2009-07-29 | 任开春 | Portable apparatus for detecting leakage of straight stitch welded steel pipe |
| CN202305152U (en) * | 2011-09-20 | 2012-07-04 | 铜陵祥云消防科技有限责任公司 | Valve pressure measuring tool |
| CN103528766A (en) * | 2013-10-17 | 2014-01-22 | 重庆民发汽车配件有限责任公司 | Tool for detecting air tightness of exhaust pipe |
| CN207318061U (en) * | 2017-08-21 | 2018-05-04 | 潍柴动力股份有限公司 | A kind of sealing ring test fixture |
-
2018
- 2018-08-09 CN CN201810900909.0A patent/CN109341983A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2216666A (en) * | 1988-03-14 | 1989-10-11 | Terence Roy Parlour | Device for detecting gas for water leaks |
| DE3830356A1 (en) * | 1988-09-07 | 1990-03-15 | Stadtwerke Trier | Device for testing the tightness of gas conduits |
| CN201281650Y (en) * | 2008-10-28 | 2009-07-29 | 任开春 | Portable apparatus for detecting leakage of straight stitch welded steel pipe |
| CN202305152U (en) * | 2011-09-20 | 2012-07-04 | 铜陵祥云消防科技有限责任公司 | Valve pressure measuring tool |
| CN103528766A (en) * | 2013-10-17 | 2014-01-22 | 重庆民发汽车配件有限责任公司 | Tool for detecting air tightness of exhaust pipe |
| CN207318061U (en) * | 2017-08-21 | 2018-05-04 | 潍柴动力股份有限公司 | A kind of sealing ring test fixture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115406599A (en) * | 2022-11-03 | 2022-11-29 | 临沭县华裕服装有限公司 | Airtightness detection equipment for production of clothing zippers |
| CN115406599B (en) * | 2022-11-03 | 2023-01-24 | 临沭县华裕服装有限公司 | Airtightness detection equipment for production of clothing zippers |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190215 |
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