CN110146229A - A kind of leak detection apparatus of metal and glass sintering - Google Patents
A kind of leak detection apparatus of metal and glass sintering Download PDFInfo
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- CN110146229A CN110146229A CN201910519382.1A CN201910519382A CN110146229A CN 110146229 A CN110146229 A CN 110146229A CN 201910519382 A CN201910519382 A CN 201910519382A CN 110146229 A CN110146229 A CN 110146229A
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- fixedly connected
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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
- G01M3/06—Investigating 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
- G01M3/08—Investigating 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
- G01M3/083—Investigating 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 tubes
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses the leak detection apparatus of a kind of metal and glass sintering, including bottom plate, substrate is fixedly connected at bottom plate upper center, the transparent pipe being vertically arranged is fixedly connected at substrate upper center, positioning ring is fixedly connected in transparent pipe upper end, support column is fixed above the bottom plate, two upper end of support column support fixed cross beam jointly, electric telescopic rod is housed at crossbeam upper center, excessive block is fixedly connected in the telescopic end of electric telescopic rod, detection block is fixedly connected with by the first spring on the downside of excessive block and is equipped with the connecting tube being connected with recessing groove at the top of detection block.Advantages of the present invention: the present invention examines use after being suitable for sensor base sintering, sensor base is checked by the way of mechanical, if gas leakage, bubble will be generated, reviewer can explicitly observe, it is fast at high speed check precision, and semi-automatic inspection may be implemented in the present invention, labor intensity is low, is suitble to promote the use of.
Description
Technical field
The present invention relates to the leakages of metal and glass sintering detection technique field more particularly to a kind of metal and glass sintering
Detection device.
Background technique
Sensor base is components important in sensor, its quality affects the precision of sensor, the prior art
In sensor base as shown in figure 4, include pilum 91, pilum 91 be equipped with mounting groove 92,92 inside bottom of mounting groove be equipped with four
A mounting hole through pilum 91 is tightly connected lead 94 by glass bushing 93 in each mounting hole.Glass bushing 93
It is connected by sintering between lead 94, between glass bushing 93 and mounting hole, sintering connection is carried out in sintering furnace, is burnt
It needs to check whether the sintering of glass bushing 93 seals after the completion of knot, is by manually holding sintered sensor base now
It is seen against light, whether there is or not loopholes for confirmation, to indirectly determine the quality of sintering.This method checks that speed is slow and precision
Low, some tiny curved slots can not just be seen.
Summary of the invention
The purpose of the present invention is to solve disadvantage existing in the prior art, and a kind of metal and glass sintering proposed
Leak detection apparatus.
To achieve the goals above, present invention employs following technical solutions:
A kind of leak detection apparatus of metal and glass sintering, including bottom plate are fixedly connected with substrate, substrate at bottom plate upper center
It is fixedly connected with the transparent pipe being vertically arranged at upper center, positioning ring is fixedly connected in transparent pipe upper end, above the bottom plate
Two sides are fixedly connected with the support column being vertically arranged, and two upper end of support column support fixed cross beam jointly, at crossbeam upper center
Equipped with electric telescopic rod, the telescopic end of electric telescopic rod is arranged straight down and passes through out of the crossbeam centre bore, in electricity
The telescopic end of dynamic telescopic rod is fixedly connected with excessive block, is fixedly connected with detection block by the first spring on the downside of excessive block, under detection block
Side is equipped with recessing groove, and the connecting tube being connected with recessing groove is equipped at the top of detection block；
One group of groove is uniformly provided on the upside of the positioning ring, each groove inside bottom is equipped with central channel, in each groove
It is inside slidably connected piston, each piston upper end is fixedly connected with piston rod, between each piston and center trench bottom
Be fixedly connected with second spring, be equipped with air inlet pipe and exhaust pipe through positioning ring in the groove, in air inlet pipe equipped with into
Gas check valve, exhaust check valve is equipped on exhaust pipe, and exhaust pipe is connected by hose with the connecting tube；
Ring is fixedly mounted in socket on the outside of the excessive block, and one group of column, column and the piston rod one are equipped on the downside of mounting ring
One is correspondingly arranged.
Preferably, annular groove is equipped on the downside of the detection block, interference fit connection sealing ring in annular groove.
Preferably, each column lower end is equipped with locating slot, and locating slot corresponds coaxial set with the piston rod
It sets.
Preferably, the diameter of the locating slot is greater than the diameter of the piston rod.
Preferably, it is equipped with sliding eye at center on the downside of the excessive block, is fixedly connected at the detection block top center
Slide bar, slide bar are passed through from first spring center, can be slided up and down in slide bar upper end insertion sliding eye and in sliding eye.
The present invention has the advantages that the present invention examines use after being suitable for sensor base sintering, by the way of mechanical
Sensor base is checked, if gas leakage, will generate bubble, reviewer can explicitly observe, check precision
It is fast at high speed, and semi-automatic inspection may be implemented in the present invention, labor intensity is low, is suitble to promote the use of.
Detailed description of the invention
Fig. 1 is basic structure schematic diagram of the invention；
Fig. 2 is the portion the A enlarged drawing of Fig. 1；
Fig. 3 is the portion the B enlarged drawing of Fig. 1；
Fig. 4 is the basic structure schematic diagram of sensor base in the prior art；
Fig. 5 is use state diagram of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
As shown in Figure 1-Figure 3, the leak detection apparatus of a kind of metal and glass sintering provided by the invention, including bottom plate 1, bottom plate
Welding substrate 2 at 1 upper center is fixedly connected with the transparent pipe 3 being vertically arranged at 2 upper center of substrate, solid in 3 upper end of transparent pipe
Surely positioning ring 4 is connected, 4 internal orifice dimension of positioning ring is greater than the internal diameter of transparent pipe 3.
Two sides are fixedly connected with the support column 51 being vertically arranged above the bottom plate 1, and two 51 upper ends of support column are common
Fixed cross beam 5 is supported, centre bore is equipped at 5 upper center of crossbeam, electric telescopic rod 52 is housed at 5 upper center of crossbeam, it is electronic
The telescopic end of telescopic rod 52 is arranged straight down and passes through out of the crossbeam 5 centre bore, in the flexible of electric telescopic rod 52
End is fixedly connected with excessive block 6, and excessive block 6 is cylindrical structure, passes through the first spring 71 on the downside of excessive block 6 and is fixedly connected with detection block
8,71 both ends of the first spring are welded and fixed on the upside of excessive 6 downside of block, detection block 8 respectively,
It is equipped with recessing groove 81 on the downside of detection block 8, the connecting tube 83 being connected with recessing groove 81 is equipped at the top of detection block 8.
Four grooves 41 are uniformly provided on the upside of the positioning ring 4, each 41 inside bottom of groove is equipped with central channel 42,
Piston 43 is slidably connected in each groove 41, each 43 upper end of piston is fixedly connected with piston rod 45, each piston
Be fixedly connected with second spring 44 between 43 and 42 bottom of central channel, be equipped in the groove 41 through positioning ring 4 into
Tracheae 47 and exhaust pipe 46 are equipped with breather check valve in air inlet pipe 47, exhaust check valve are housed, exhaust pipe 46 is logical on exhaust pipe 46
Hose is crossed to be connected with the connecting tube 83.
It is equipped with sliding eye 61 at excessive 6 downside center of block, is fixedly connected with slide bar 7 at 8 top center of detection block, it is sliding
Bar 7 is passed through from 71 center of the first spring, and 7 upper end of slide bar is inserted into sliding eye 61 and upper in sliding eye 61 can glide
It is dynamic.Annular groove 82 is equipped on the downside of detection block 8, interference fit connection sealing ring in annular groove 82.Can effectively it be prevented by sealing ring
Only gas leakage between detection block 8 and positioning ring 4, to influence detection effect.
Ring 62 is fixedly mounted in socket on the outside of the excessive block 6, and four columns 63, Mei Gesuo are welded and fixed on the downside of mounting ring 62
It states 63 lower end of column and is equipped with locating slot 64, locating slot 64 and the piston rod 45, which correspond, to be coaxially disposed.Locating slot 64
Diameter is greater than the diameter of the piston rod 45.The diameter of locating slot 64 is 5mm bigger than the diameter of piston rod 45.
When using the leak detection apparatus of a kind of metal and glass sintering provided in this embodiment, as shown in figure 5, saturating
Suds are put into the cavity that bright pipe 3 is formed with positioning ring 4, sensor base 9 is placed in positioning ring 4, sensor base is made
9 downside of seat is in contact with transparent pipe upper surface, in actual use, by the internal orifice dimension of positioning ring 4 than sensor base 9
The big 1mm of outer diameter, after the completion of placement, push excessive block 6 to decline by electric telescopic rod 52, detection block 8 also declines therewith, works as inspection
When survey 8 lower surface of block and 9 upper surface of sensor base contact, column 63 is in contact also by locating slot 64 with piston rod 45, electricity
Dynamic telescopic rod 52 continues to press on excessive block 6 and declines, and excessive block 6 compresses the first spring 71, makes to examine under the effect of spring force
It surveys block 8 to come into full contact with sensor base 9, improves its leakproofness.At the same time, column 63 also presses the decline of piston rod 45, living
Stopper rod 45 pushes piston 43 to decline, and 43 compressed spring of piston simultaneously squeezes out the air in groove 41 from exhaust pipe 46, passes through hose
It is delivered in recessing groove 81, if the gas leakage in sintering of sensor base 9, the suds in transparent pipe 3 will generate gas
Bubble.After inspection, electric telescopic rod 52 lifts excessive block 6, and piston 43 is multiple upwards under the action of the 44 of second spring
Position, while resetting, air enters in groove 41 under the action of atmospheric pressure from air inlet pipe 47.In order to prevent piston 43 from
It scurries out in groove 41, baffle ring 48 is fixedly connected at the notch of each groove 41, piston rod 45 is passed through from the center of baffle ring 48.
Claims (5)
1. the leak detection apparatus of a kind of metal and glass sintering, it is characterised in that: including bottom plate (1), bottom plate (1) upper center
Place is fixedly connected substrate (2), the transparent pipe (3) being vertically arranged is fixedly connected at substrate (2) upper center, on transparent pipe (3)
End is fixedly connected with positioning ring (4), and two sides are fixedly connected with the support column (51) being vertically arranged above the bottom plate (1), and two
Support column (51) upper end supports fixed cross beam (5) jointly, and electric telescopic rod (52) are housed at crossbeam (5) upper center, electronic to stretch
The telescopic end of contracting bar (52) is arranged straight down and passes through out of the crossbeam (5) centre bore, in electric telescopic rod (52)
Telescopic end is fixedly connected excessive block (6), is fixedly connected with detection block (8), detection block by the first spring (71) on the downside of excessive block (6)
(8) downside is equipped with recessing groove (81), and the connecting tube (83) being connected with recessing groove (81) is equipped at the top of detection block (8)；
It is uniformly provided with one group of groove (41) on the upside of the positioning ring (4), each groove (41) inside bottom is equipped with central channel
(42), piston (43) are slidably connected in each groove (41), each piston (43) upper end is fixedly connected with piston rod
(45), second spring (44) are fixedly connected between each piston (43) and central channel (42) bottom, in the groove (41)
The air inlet pipe (47) through positioning ring (4) and exhaust pipe (46) are equipped with, breather check valve, exhaust pipe are housed in air inlet pipe (47)
(46) exhaust check valve is housed, exhaust pipe (46) is connected by hose with the connecting tube (83) on；
Ring (62) are fixedly mounted in socket on the outside of the excessive block (6), are equipped with one group of column (63), column on the downside of mounting ring (62)
(63) it is arranged in a one-to-one correspondence with the piston rod (45).
2. the leak detection apparatus of a kind of metal and glass sintering according to claim 1, it is characterised in that: the detection
Annular groove (82) are equipped on the downside of block (8), interference fit connection sealing ring in annular groove (82).
3. the leak detection apparatus of a kind of metal and glass sintering according to claim 1, it is characterised in that: each described
Column (63) lower end is equipped with locating slot (64), and locating slot (64) and the piston rod (45) correspond and are coaxially disposed.
4. the leak detection apparatus of a kind of metal and glass sintering according to claim 3, it is characterised in that: the positioning
The diameter of slot (64) is greater than the diameter of the piston rod (45).
5. the leak detection apparatus of a kind of metal and glass sintering according to claim 1, it is characterised in that: described excessive
Sliding eye (61) are equipped at center on the downside of block (6), are fixedly connected with slide bar (7), slide bar at the detection block (8) top center
(7) it is passed through from the first spring (71) center, slide bar (7) upper end is inserted into sliding eye (61) and can be in sliding eye (61)
It slides up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910519382.1A CN110146229B (en) | 2019-06-17 | 2019-06-17 | Leakage detection device for sintering metal and glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910519382.1A CN110146229B (en) | 2019-06-17 | 2019-06-17 | Leakage detection device for sintering metal and glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110146229A true CN110146229A (en) | 2019-08-20 |
| CN110146229B CN110146229B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910519382.1A Active CN110146229B (en) | 2019-06-17 | 2019-06-17 | Leakage detection device for sintering metal and glass |
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| Country | Link |
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| CN (1) | CN110146229B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264424A (en) * | 2021-11-15 | 2022-04-01 | 江苏永鼎股份有限公司 | Sealing performance testing tool and method for preform sintering furnace |
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| JP2009074899A (en) * | 2007-09-20 | 2009-04-09 | Riken Keiki Co Ltd | Explosion-proof gas sensor |
| WO2012002476A1 (en) * | 2010-06-30 | 2012-01-05 | 株式会社フジクラ | Reactor core tube inspection method and production method of parent metal for silica glass optical fibre |
| CN103868657A (en) * | 2014-03-25 | 2014-06-18 | 中信戴卡股份有限公司 | Rotary type vehicle-wheel airtightness detection machine |
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2019
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| JPH02247534A (en) * | 1989-02-15 | 1990-10-03 | Danfoss As | Method and apparatus for monitoring leakage in canalization |
| JPH05149818A (en) * | 1991-11-29 | 1993-06-15 | Suzuki Motor Corp | Pressure leakage tester |
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| CN207095790U (en) * | 2017-07-20 | 2018-03-13 | 成都凯天电子股份有限公司 | Junction block sintered part air tightness checking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264424A (en) * | 2021-11-15 | 2022-04-01 | 江苏永鼎股份有限公司 | Sealing performance testing tool and method for preform sintering furnace |
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| Publication number | Publication date |
|---|---|
| CN110146229B (en) | 2020-12-08 |
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