CN209673297U - A kind of air-tightness detection device - Google Patents
A kind of air-tightness detection device Download PDFInfo
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- CN209673297U CN209673297U CN201920354190.5U CN201920354190U CN209673297U CN 209673297 U CN209673297 U CN 209673297U CN 201920354190 U CN201920354190 U CN 201920354190U CN 209673297 U CN209673297 U CN 209673297U
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Abstract
The utility model discloses a kind of air-tightness detection devices, including rack, the rack is equipped with test bench, the test bench is equipped with venthole, the ventilation end of workpiece for measurement is fitted closely with the test bench, it is additionally provided with the plugging device for blocking the venthole of the workpiece for measurement in the rack, is additionally provided in the rack and workpiece for measurement is pressed on the pressing device that the test bench guarantees that ventilation end and the test bench fit closely；Workpiece to be tested is pressed on test bench by pressing device, plugging device blocks the venthole of workpiece for measurement, and realization and external sealing, are passed through gas to workpiece for measurement by venthole inside such workpiece for measurement, gas leakage is detected the presence of by leakage detection apparatus, completes detection.
Description
Technical field
The utility model relates to a kind of air-tightness detection devices.
Background technique
When carrying out air-leakage test in the prior art, for different workpiece, need to set using different air-leakage tests
Standby, the versatility of air tightness detection equipment is poor, and when progress workpiece for measurement clamping, needs to carry out the adjustment of fixture, so as to
The reliable clamping for realizing workpiece for measurement, brings operational inconvenience to air tightness test.
Utility model content
In order to make up the above deficiency, the utility model, which provides, a kind of can effectively improve air-leakage test efficiency, operation side
Just reliable air-tightness detection device.
The technical solution of the utility model is: a kind of air-tightness detection device, including rack, and the rack is equipped with test
Seat, the test bench are equipped with venthole, and ventilation end and the test bench of workpiece for measurement are fitted closely, also set in the rack
There is the plugging device for the venthole for blocking the workpiece for measurement, is additionally provided in the rack and workpiece for measurement is pressed on the test
Seat guarantees the pressing device that ventilation end and the test bench fit closely.
The pressing device includes lifter plate as a preferred technical solution, is equipped on the lifter plate and is pressed on institute
The hold-down head on workpiece for measurement upper surface is stated, the lifting driving gas for driving the lifter plate to move up and down is installed in the rack
Cylinder.
The venthole plugging device includes blocking cylinder as a preferred technical solution, the piston for blocking cylinder
The block head got lodged on the venthole is fixedly installed on bar.
It is fixedly installed on the test bench positioned at the test bench and the workpiece for measurement as a preferred technical solution,
Ventilation end between gasket.
The opposite both sides of the lifter plate are equipped with guide pad as a preferred technical solution, distinguish on the guide pad
The guide groove being located at below the lifter plate being oppositely arranged is offered, is movably installed with pressure plate between two guide grooves,
The pressure plate is equipped with pilot hole, and tight lifting pin is movably installed in the pilot hole, and the lifter plate is equipped with and the top
The tightly limiting through hole of pin cooperation is equipped with so that the tight lifting pin heads into the limit and leads between the tight lifting pin and the pilot hole
Support spring in hole, the lifter plate are equipped with pressing plate, are equipped between the pressing plate and the lifter plate and push driving mechanism,
The pressing plate is equipped with the hold-down column cooperated with the limiting through hole, and the diameter of the hold-down column is less than the straight of the limiting through hole
Diameter, the hold-down head are mounted on the pressure plate.
The pushing driving mechanism includes cylinder as a preferred technical solution, and the cylinder body of the cylinder is fixedly mounted on
On the lifter plate, the piston rod of the cylinder is fixedly installed with pull rod, and the lower end of the pull rod is fixedly mounted on the pressing plate
On.
The hold-down head includes the guide cylinder being mounted on the pressure plate, the guiding as a preferred technical solution,
Pressure head can be equipped with along the compression bar that guide cylinder moves up and down, the lower end of the compression bar by being cased in cylinder, and upper end is cased with outside the compression bar
It is against the guide cylinder and lower end is against buffer spring on the pressure head.
By adopting the above-described technical solution, a kind of air-tightness detection device, including rack, the rack are equipped with test
Seat, the test bench are equipped with venthole, and ventilation end and the test bench of workpiece for measurement are fitted closely, also set in the rack
There is the plugging device for the venthole for blocking the workpiece for measurement, is additionally provided in the rack and workpiece for measurement is pressed on the test
Seat guarantees the pressing device that ventilation end and the test bench fit closely；Workpiece to be tested is pressed on test bench by pressing device
On, plugging device blocks the venthole of workpiece for measurement, realized inside such workpiece for measurement with external sealing, by venthole to
Workpiece for measurement is passed through gas, detects the presence of gas leakage by leakage detection apparatus, completes detection.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the partial enlarged view in Fig. 1 at I；
Fig. 3 is the partial enlarged view in Fig. 2 at II.
Specific embodiment
As shown in Figure 1 to Figure 3, a kind of air-tightness detection device, including rack 1, the rack 1 are equipped with test bench 2, institute
Test bench 2 is stated equipped with venthole, the ventilation end of workpiece for measurement 3 fits closely with the test bench 2, also sets in the rack 1
There is the plugging device for the venthole 4 for blocking the workpiece for measurement, is additionally provided in the rack 1 and workpiece for measurement is pressed on the survey
Examination seat 2 guarantees the pressing device that ventilation end and the test bench fit closely.Workpiece to be tested is pressed on test by pressing device
On seat 2, plugging device blocks the venthole of workpiece for measurement, and realization and external sealing, pass through ventilation inside such workpiece for measurement
Hole is passed through gas to workpiece for measurement, detects the presence of gas leakage by leakage detection apparatus, completes detection.
As depicted in figs. 1 and 2, the pressing device includes lifter plate 5, is equipped with described in being pressed on the lifter plate 5
Hold-down head on 3 upper surface of workpiece for measurement is equipped with the lifting driving gas for driving the lifter plate to move up and down in the rack
Cylinder 25.Lifting driving cylinder drives lifter plate to move downward so that hold-down head is pressed on the upper surface of the workpiece for measurement.
As shown in Figure 1, the venthole plugging device includes blocking cylinder 6, it is fixed on the piston rod for blocking cylinder 6
The block head 7 got lodged on the venthole is installed.It blocks cylinder driving block head to block on venthole, realize to venthole
Sealing.
As shown in Figure 1, being fixedly installed with the ventilation positioned at the test bench 2 and the workpiece for measurement 3 on the test bench 2
Gasket 8 between end.In order to guarantee the sealed connection between test bench and workpiece for measurement, it is provided with the gasket, it is described
Gasket is elastic sealing gasket.
As shown in Figure 1, Figure 2 and Figure 3, the opposite both sides of the lifter plate 5 are equipped with guide pad 9, divide on the guide pad 9
The guide groove 10 being located at below the lifter plate being oppositely arranged is not offered, is movably installed with pressure between two guide grooves 10
Tight plate 12, the pressure plate 12 are equipped with pilot hole 13, are movably installed with tight lifting pin 14, the lifter plate in the pilot hole 13
5 are equipped with the limiting through hole 15 that cooperate with the tight lifting pin 14, between the tight lifting pin 14 and the pilot hole 13 equipped with so that
The tight lifting pin 14 heads into the support spring 16 in the limiting through hole 15, and the lifter plate 5 is equipped with pressing plate 17, the pressing plate
It is equipped between 17 and the lifter plate 5 and pushes driving mechanism, the pressing plate 17 is equipped with the pressure cooperated with the limiting through hole 15
Tight column 18, the diameter of the hold-down column 18 are less than the diameter of the limiting through hole 15, and the hold-down head is mounted on the pressure plate
On 12.The inner wall of the pilot hole is equipped with annular guide groove 26 in the present embodiment, and the tight lifting pin is equipped with and the annular
The baffle ring 27 of guide groove cooperation, the support spring 16 are located in the annular guide groove 26, and the upper end of the support spring is supported
In the lower surface of the baffle ring.The setting of guide groove allows pressure plate mobile relative to guide groove, so as to compression
Plate is replaced, and tight lifting pin is inserted into limiting through hole, can stop pressure plate relative to the movement of guide groove in this way, so that pressure
Tight plate is fixed relative to lifting Board position.
As shown in Figure 1, the pushing driving mechanism includes cylinder 19, the cylinder body of the cylinder 19 is fixedly mounted on the liter
It drops on plate 5, the piston rod of the cylinder is fixedly installed with pull rod 20, and the lower end of the pull rod 20 is fixedly mounted on the pressing plate 17
On.Cylinder band dynamic pressure plate moves down, to drive hold-down column to push tight lifting pin, so that tight lifting pin is not inserted into limiting through hole
Interior, such tight lifting pin no longer stops pressure plate relative to the movement of guide groove, can extract pressure plate from guide groove out in this way, from
And the replacement of pressure plate may be implemented, in this way be directed to different workpieces for measurement, can by way of replacing pressure plate so that
The position of hold-down head and quantity can more be matched with workpiece for measurement.
As shown in Fig. 2, the hold-down head includes the guide cylinder 21 being mounted on the pressure plate, 21 inner sleeve of guide cylinder
Pressure head 23 can be equipped with along the compression bar 22 that guide cylinder moves up and down, the lower end of the compression bar 22 by having, and be cased with outside the compression bar 22
End is against the guide cylinder 21 and lower end is against the buffer spring 24 on the pressure head 23, in the present embodiment, the pressure head
The outer diameter of the compression bar is all larger than with the outer diameter of the guide cylinder, after such buffer spring covers on the compression bar, buffer spring
Lower end act on pressure head upper surface, the upper end of buffer spring acts on the lower surface of guide cylinder, due to hold-down head and work to be measured
The height and position of the contact point of part is different, and ensure that each hold-down head using such structure can generate to workpiece for measurement
Effective pressure, compression bar can be moved up and down relative to guide cylinder, and buffer spring can descend moulded rod by compressed elastic force, so that
Pressure head is pressed on workpiece for measurement.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of air-tightness detection device, which is characterized in that including rack, the rack is equipped with test bench, the test bench
Be equipped with venthole, ventilation end and the test bench of workpiece for measurement fit closely, be additionally provided in the rack described in closure to
The plugging device of the venthole of workpiece is surveyed, is additionally provided in the rack and workpiece for measurement is pressed on the test bench guarantee ventilation end
The pressing device fitted closely with the test bench.
2. air-tightness detection device as described in claim 1, which is characterized in that the pressing device includes lifter plate, described
The hold-down head being pressed on the workpiece for measurement upper surface is installed on lifter plate, is equipped in the rack and drives the lifting
The lifting that plate moves up and down drives cylinder.
3. air-tightness detection device as described in claim 1, which is characterized in that the venthole plugging device includes blocking gas
Cylinder, it is described block cylinder piston rod on be fixedly installed with the block head got lodged on the venthole.
4. air-tightness detection device as described in claim 1, which is characterized in that be fixedly installed on the test bench positioned at institute
State the gasket between test bench and the ventilation end of the workpiece for measurement.
5. air-tightness detection device as claimed in claim 2, which is characterized in that the opposite both sides of the lifter plate are equipped with and lead
To block, the guide groove being located at below the lifter plate being oppositely arranged, two guide grooves are offered on the guide pad respectively
Between be movably installed with pressure plate, the pressure plate is equipped with pilot hole, is movably installed with tight lifting pin in the pilot hole, described
Lifter plate is equipped with the limiting through hole cooperated with the tight lifting pin, is equipped between the tight lifting pin and the pilot hole so that described
Tight lifting pin heads into the support spring in the limiting through hole, and the lifter plate is equipped with pressing plate, the pressing plate and the lifter plate
Between be equipped with and push driving mechanism, the pressing plate is equipped with the hold-down column that cooperates with the limiting through hole, the hold-down column it is straight
Diameter is less than the diameter of the limiting through hole, and the hold-down head is mounted on the pressure plate.
6. air-tightness detection device as claimed in claim 5, which is characterized in that the pushing driving mechanism includes cylinder, institute
The cylinder body for stating cylinder is fixedly mounted on the lifter plate, and the piston rod of the cylinder is fixedly installed with pull rod, the pull rod
Lower end is fixedly mounted on the pressing plate.
7. air-tightness detection device as claimed in claim 5, which is characterized in that the hold-down head includes being mounted on the compression
Guide cylinder on plate is cased with and can be equipped with pressure along the compression bar that guide cylinder moves up and down, the lower end of the compression bar in the guide cylinder
Head, is cased with that upper end is against the guide cylinder and lower end is against buffer spring on the pressure head outside the compression bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920354190.5U CN209673297U (en) | 2019-03-20 | 2019-03-20 | A kind of air-tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920354190.5U CN209673297U (en) | 2019-03-20 | 2019-03-20 | A kind of air-tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209673297U true CN209673297U (en) | 2019-11-22 |
Family
ID=68572263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920354190.5U Active CN209673297U (en) | 2019-03-20 | 2019-03-20 | A kind of air-tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209673297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765006A (en) * | 2019-03-20 | 2019-05-17 | 盛瑞传动股份有限公司 | A kind of air-tightness detection device |
| CN112901776A (en) * | 2021-01-15 | 2021-06-04 | 创力高机电(深圳)有限公司 | Workpiece air tightness detection device |
-
2019
- 2019-03-20 CN CN201920354190.5U patent/CN209673297U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765006A (en) * | 2019-03-20 | 2019-05-17 | 盛瑞传动股份有限公司 | A kind of air-tightness detection device |
| CN112901776A (en) * | 2021-01-15 | 2021-06-04 | 创力高机电(深圳)有限公司 | Workpiece air tightness detection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210601 Address after: 261000 north of Xishou Road, Qinglonghu Road, Anqiu Economic Development Zone, Weifang City, Shandong Province Patentee after: Shandong Shengxiang Power Co.,Ltd. Address before: 261205 518 Shengrui Street, Weifang High-tech Industrial Development Zone, Shandong Province Patentee before: SHENGRUI TRANSMISSION Co.,Ltd. |
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| TR01 | Transfer of patent right |