CN108194636A - Thin wall cylinder air-leakage test sealing device - Google Patents
Thin wall cylinder air-leakage test sealing device Download PDFInfo
- Publication number
- CN108194636A CN108194636A CN201810187148.9A CN201810187148A CN108194636A CN 108194636 A CN108194636 A CN 108194636A CN 201810187148 A CN201810187148 A CN 201810187148A CN 108194636 A CN108194636 A CN 108194636A
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- China
- Prior art keywords
- sealing device
- thin
- sealing
- wall barrel
- wall
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 196
- 238000012360 testing method Methods 0.000 title abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000002474 experimental method Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 6
- 238000007373 indentation Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses thin-wall barrel vacuum performance detection sealing devices, it is taken over including sealing device, each cushion rubber of sealing device chassis and setting therebetween, the sealing device solves the technological difficulties that existing tooling tool can not be connect with thin-wall barrel end, it can realize that thin-wall barrel is connect with vacuum detection instrument by the sealing device, leakage experiment is visited to carry out smoothly, sealing device is dismounted easily fast, and the device favorable sealing property is proved through test of many times.
Description
Technical field
The invention belongs to thin-wall barrel vacuum performances to detect experimental technique field, and in particular to thin wall cylinder air-leakage test is used
Sealing device.
Background technology
In working condition, the vacuum performance of thin-wall barrel must be guaranteed, it is therefore desirable to the vaccum of thin-wall barrel
It can be detected.The thin-wall barrel end used at this stage in this field is the smooth thin-walled port of outer wall, to thin-wall barrel
Need to install sealing device in thin-walled port position when carrying out vacuum performance detection makes it be connect with vacuum detection instrument, but by thin-walled
Port organization size limits, and existing all kinds of toolings tool can not meet detection use demand, thus design it is a using cushion rubber with
The fast demountable sealing device of thin-walled port connection.
Invention content
Since the outer wall of thin-walled port is smooth and outer warp, internal diameter and outer wall straight section size are smaller, all kinds of toolings at this stage
Tool can not be connected thereto, therefore existing tooling tool is not directly applicable the test of thin-wall barrel vacuum performance, which uses glue
The principle of circle compressive deformation makes sealing device be locked with thin-walled port, so as to meet the seal request of vacuum performance detection,
Sealing device fast demountable simultaneously has greater significance for the application of batch detection thin-wall barrel vacuum performance.
The present invention is achieved by the following technical solutions：
A kind of thin-wall barrel vacuum performance detection sealing device, including sealing device take over sealing device chassis, it is close
Seal apparatus chassis is installed on the outside of thin-wall barrel port, and sealing device chassis and sealing device are connected between taking over by screw thread
It connects, is threaded sealing rubber ring between in the outer wall taken in sealing device and sealing device chassis, is taken in sealing device
The outer rim of lower edge be provided with thread seal cushion rubber, axial sealing rubber ring, sealing device are installed in sealing device take over internal recessing
Chassis internal recessing installation radial seal cushion rubber.
In the above-mentioned technical solutions, the upper end that the sealing device is taken over is connect by card chain with vacuum detection instrument.
In the above-mentioned technical solutions, the diameter of the axial seal cushion rubber is equal with the diameter of thin-walled port.
In the above-mentioned technical solutions, the sealing device is taken over is not in direct contact with thin-wall barrel, is taken in sealing device
Under the tightening state of sealing device chassis, axial seal cushion rubber can be embedded at the top of thin-wall barrel port, strengthens sealing.
In the above-mentioned technical solutions, the sealing device chassis is not in direct contact with thin-wall barrel, is taken in sealing device
Under the tightening state of sealing device chassis, by the radial deformation of radial seal cushion rubber, thin-wall barrel port outer wall is locked
Tight and sealing.
In the above-mentioned technical solutions, axial sealing ring groove is set at the top of the inside groove taken in the sealing device, in axis
Axial sealing ring is set into o-ring groove.
In the above-mentioned technical solutions, radial direction seal ring groove is set in the bottom of sealing device chassis inside groove, in diameter
Radial seal cushion rubber is set into o-ring groove.
In the above-mentioned technical solutions, the thread seal cushion rubber is set at the outer rim of sealing device take over lower edge, is used for
Reinforcement sealing device takes over the connection between sealing device chassis.
In the above-mentioned technical solutions, the sealing device take over under the tightening state of sealing device chassis, radial seal
The decrement of cushion rubber is about 45%-60%.
In the above-mentioned technical solutions, the internal diameter of the radial direction seal ring is equal with the outer diameter of thin-wall barrel.
In the above-mentioned technical solutions, the diameter of internal recessing body that the sealing device is taken over is more than the outer diameter of thin-wall barrel.
In the above-mentioned technical solutions, the diameter of the internal recessing body on the sealing device chassis is more than the outer diameter of thin-wall barrel.
It is being carried out with sealing device using a kind of thin-wall barrel vacuum performance detection in above-mentioned technical proposal in use, first
By sealing device base plate cover on thin-wall barrel port, radial seal cushion rubber is sleeved on thin-wall barrel port outer wall, indentation sealing
The radial direction seal ring groove on device chassis, then thread locking adhesive snare is taken over into bottom, axial seal cushion rubber pressure in sealing device
Enter sealing device and take over interior axial sealing ring groove, sealing device is taken over to be threadedly coupled with sealing device chassis screw,
Sealing device, which is taken over top and connect using card chain with vacuum detection instrument, can carry out the experiment of thin-wall barrel vacuum detecting.
The advantages of the present invention are：
1st, sealing device is taken over is not in direct contact with thin-walled port, it can be achieved that fast assembling-disassembling with sealing device chassis；
2nd, sealing device is taken over works under the tightening state of sealing device chassis, during tightening state, passes through radial seal glue
The radial deformation of circle plays a major role to the locking and sealing of the sealing device and thin-walled port outer wall；
3rd, sealing device is embedded axial at the top of thin-walled port when sealing device is taken over sealing device chassis tightening state
Sealing rubber ring, strengthens sealing effect, and axial seal cushion rubber and thread locking adhesive enclose auxiliary seal effect.
In existing application, thin-wall barrel end has that surface is smooth, wall is thin and size is small that inconvenience is docked with vacuum equipment
The characteristics of, which solves the technological difficulties that existing tooling tool can not be connect with thin-wall barrel end, passes through the sealing
Device can realize that thin-wall barrel is connect with vacuum detection instrument, visit leakage experiment and carry out smoothly, sealing device is dismounted easily fast, through more
Secondary experiment proves the device favorable sealing property, and when carrying out visiting leakage experiment using helium, which does not find apparent leak source,
If thin-wall barrel vacuum performance is good, when being detected using the sealing device, leak rate data minimum can reach 1.1 × 10- 11Pa.m3/s。
Description of the drawings
Fig. 1 is thin wall cylinder air-leakage test sealing device schematic diagram provided by the present invention.
Wherein：
1 takes over for sealing device；
2 be sealing device chassis；
3 be radial seal cushion rubber；
4 be thread seal cushion rubber；
5 be axial seal cushion rubber；
6 be thin-wall barrel.
It for those of ordinary skill in the art, without creative efforts, can be according to above attached
Figure obtains other relevant drawings.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, with reference to specific embodiment furtherly
Bright technical scheme of the present invention.
Embodiment 1
A kind of thin-wall barrel vacuum performance detection sealing device, including sealing device take over 1 and sealing device chassis 2,
Sealing device chassis is installed on the outside of 6 port of thin-wall barrel, and sealing device chassis and sealing device pass through screw thread between taking over
It connects, is threaded sealing rubber ring 4 between in the outer wall taken in sealing device and sealing device chassis, is connect in sealing device
The axial sealing rubber ring 5 of pipe internal recessing installation, sealing device chassis internal recessing installation radial seal cushion rubber 3.
The upper end that the sealing device is taken over is connect by card chain with vacuum detection instrument.The diameter of the axial seal cushion rubber
It is equal with the diameter of thin-walled port.The sealing device is taken over not to be in direct contact with thin-wall barrel, sealing device take over it is close
Under the tightening state of seal apparatus chassis, axial seal cushion rubber can be embedded at the top of thin-wall barrel port, strengthens sealing.The sealing device
Chassis is not in direct contact with thin-wall barrel, is taken in sealing device under the tightening state of sealing device chassis, is passed through radial seal
The radial deformation of cushion rubber is locked and is sealed to thin-wall barrel port outer wall.
Embodiment 2
A kind of thin-wall barrel vacuum performance detection sealing device, including sealing device take over 1 and sealing device chassis 2,
Sealing device chassis is installed on the outside of 6 port of thin-wall barrel, and sealing device chassis and sealing device pass through screw thread between taking over
It connects, is threaded sealing rubber ring 4 between in the outer wall taken in sealing device and sealing device chassis, is connect in sealing device
The axial sealing rubber ring 5 of pipe internal recessing installation, sealing device chassis internal recessing installation radial seal cushion rubber 3.In the sealing device
Setting axial sealing ring groove, axial sealing ring is set in axial sealing ring groove at the top of the inside groove taken over.In the sealing
The bottom setting radial direction seal ring groove of device chassis inside groove, sets radial seal cushion rubber in radial direction seal ring groove.It is described
Thread seal cushion rubber is set at the outer rim of sealing device take over lower edge, is taken over and sealing device chassis for strengthening sealing device
Between connection.It is taken in the sealing device under the tightening state of sealing device chassis, the decrement of radial seal cushion rubber is
60%.
Embodiment 3
As shown in Figure 1, thin wall cylinder air-leakage test with sealing device mainly by sealing device take over 1, sealing device chassis
2nd, the compositions such as radial seal cushion rubber 3, thread seal cushion rubber 4, axial seal cushion rubber 5.
First sealing device chassis 2 is sleeved on thin-walled port 6 during work, radial seal cushion rubber 3 is sleeved on outside thin-walled port 6
Wall, the radial direction seal ring groove on indentation sealing device chassis 2, then thread seal cushion rubber 4 is sleeved on 1 bottom of sealing device take over,
Axial sealing ring groove in 5 indentation sealing device take over 1 of axial seal cushion rubber, by sealing device take over 1 and sealing device bottom
The threaded connection of disk 2 screws, and connect using card chain that can to carry out thin-wall barrel true with vacuum detection instrument at the top of sealing device take over 1
Sky detection experiment.
Sealing device is taken over not to be in direct contact with thin-walled port, it can be achieved that fast assembling-disassembling with sealing device chassis；
Sealing device is taken over to work under the tightening state of sealing device chassis, during tightening state, passes through radial seal cushion rubber
Radial deformation, play a major role to the locking and sealing of the sealing device and thin-walled port outer wall；
Sealing device is embedded axial close at the top of thin-walled port when sealing device is taken over sealing device chassis tightening state
Sealing rubber ring, strengthens sealing effect, and axial seal cushion rubber and thread locking adhesive enclose auxiliary seal effect.
The sealing device solves the technological difficulties that existing tooling tool can not be connect with thin-wall barrel end, passes through the sealing
Device can realize that thin-wall barrel is connect with vacuum detection instrument, visit leakage experiment and carry out smoothly, sealing device is dismounted easily fast, through more
Secondary experiment proves the device favorable sealing property, and when carrying out visiting leakage experiment using helium, which does not find apparent leak source,
If thin-wall barrel vacuum performance is good, when being detected using the sealing device, leak rate data minimum can reach 1.1 × 10-
11Pa.m3/s。
Illustrative description has been done to the present invention above, it should explanation, in the situation for the core for not departing from the present invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent replacement of creative work equal
Fall into protection scope of the present invention.
Claims (12)
1. thin-wall barrel vacuum performance detection sealing device, it is characterised in that：It is taken over and sealing device bottom including sealing device
Disk, sealing device chassis are installed on the outside of thin-wall barrel port, and sealing device chassis and sealing device pass through spiral shell between taking over
Line connects, and sealing rubber ring is threaded between in the outer wall taken in sealing device and sealing device chassis, in sealing device
The outer rim for the lower edge taken over is provided with thread seal cushion rubber, and axial sealing rubber ring, sealing are installed in sealing device take over internal recessing
Device chassis internal recessing installation radial seal cushion rubber.
2. thin-wall barrel vacuum performance detection sealing device according to claim 1, it is characterised in that：The sealing dress
The upper end taken over is put to connect with vacuum detection instrument by card chain.
3. thin-wall barrel vacuum performance detection sealing device according to claim 1, it is characterised in that：The axial direction is close
The diameter of sealing rubber ring is equal with the diameter of thin-walled port.
4. thin-wall barrel vacuum performance detection sealing device according to claim 1, it is characterised in that：The sealing dress
Put to take over and be not in direct contact with thin-wall barrel, sealing device take over under the tightening state of sealing device chassis, thin wall cylinder body end
Embedded axial seal cushion rubber at the top of mouthful.
5. thin-wall barrel vacuum performance detection sealing device according to claim 1, it is characterised in that：The sealing dress
Bottom set disk is not in direct contact with thin-wall barrel, sealing device take over under the tightening state of sealing device chassis, by radially it is close
The radial deformation of sealing rubber ring is locked and is sealed to thin-wall barrel port outer wall.
6. thin-wall barrel vacuum performance detection sealing device according to claim 1, it is characterised in that：In the sealing
Setting axial sealing ring groove, axial sealing ring is set in axial sealing ring groove at the top of the inside groove that device is taken over.
7. thin-wall barrel vacuum performance detection sealing device according to claim 1, it is characterised in that：In the sealing
The bottom setting radial direction seal ring groove of device chassis inside groove, sets radial seal cushion rubber in radial direction seal ring groove.
8. thin-wall barrel vacuum performance detection sealing device according to claim 1, it is characterised in that：The screw thread is close
Sealing rubber ring is set at the outer rim of sealing device take over lower edge, is taken between sealing device chassis for strengthening sealing device
Connection.
9. thin-wall barrel vacuum performance detection sealing device according to claim 1, it is characterised in that：In the sealing
Device is taken over under the tightening state of sealing device chassis, and the decrement of radial seal cushion rubber is about 45%-60%.
10. thin-wall barrel vacuum performance detection sealing device according to claim 1, it is characterised in that：The radial direction
The internal diameter of sealing ring is equal with the outer diameter of thin-wall barrel.
11. thin-wall barrel vacuum performance detection sealing device according to claim 1, it is characterised in that：The sealing
The diameter of internal recessing body that device is taken over is more than the outer diameter of thin-wall barrel；The diameter of the internal recessing body on the sealing device chassis is big
In the outer diameter of thin-wall barrel.
12. the application method of thin-wall barrel vacuum performance detection sealing device, it is characterised in that：First by sealing device base plate cover
On thin-wall barrel port, radial seal cushion rubber is sleeved on thin-wall barrel port outer wall, the radial direction on indentation sealing device chassis is close
Seal groove, then thread locking adhesive snare is taken over into bottom in sealing device, axial seal cushion rubber indentation sealing device is taken over interior
Axial sealing ring groove, sealing device taken over to be threadedly coupled with sealing device chassis screw, top is taken in sealing device
The experiment of thin-wall barrel vacuum detecting can be carried out by being connect using card chain with vacuum detection instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810187148.9A CN108194636A (en) | 2018-03-07 | 2018-03-07 | Thin wall cylinder air-leakage test sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810187148.9A CN108194636A (en) | 2018-03-07 | 2018-03-07 | Thin wall cylinder air-leakage test sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194636A true CN108194636A (en) | 2018-06-22 |
Family
ID=62594727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810187148.9A Pending CN108194636A (en) | 2018-03-07 | 2018-03-07 | Thin wall cylinder air-leakage test sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194636A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3737751C1 (en) * | 1987-11-03 | 1988-12-08 | Mannesmann Ag | Device for tightness testing of an extended hollow body |
| US5571949A (en) * | 1995-07-14 | 1996-11-05 | Packaging Resources Incorporated | Leak detection device and components therefor |
| CN201548252U (en) * | 2009-10-29 | 2010-08-11 | 核工业理化工程研究院华核新技术开发公司 | Axially adjustable eddy current sensor sealing connector |
| CN201673012U (en) * | 2010-05-10 | 2010-12-15 | 东莞市南兴木工机械有限公司 | Vacuum pressure detection apparatus |
| CN203718272U (en) * | 2013-12-27 | 2014-07-16 | 天津华能能源设备有限公司 | Barrel connecting pipe pressure test plugging device |
| CN206891671U (en) * | 2017-07-12 | 2018-01-16 | 苏州元禾医疗器械有限公司 | A kind of confined gas detection means |
| CN206930410U (en) * | 2017-05-03 | 2018-01-26 | 南京扬子石化工程监理有限责任公司 | A kind of storage tank vacuum detection instrument |
| CN107740064A (en) * | 2017-09-28 | 2018-02-27 | 北京创昱科技有限公司 | A kind of sealing device and its method for dismounting for being used to seal vacuum chamber cooling device |
| CN207921329U (en) * | 2018-03-07 | 2018-09-28 | 核工业理化工程研究院 | A kind of thin wall cylinder air-leakage test sealing device |
-
2018
- 2018-03-07 CN CN201810187148.9A patent/CN108194636A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3737751C1 (en) * | 1987-11-03 | 1988-12-08 | Mannesmann Ag | Device for tightness testing of an extended hollow body |
| US5571949A (en) * | 1995-07-14 | 1996-11-05 | Packaging Resources Incorporated | Leak detection device and components therefor |
| CN201548252U (en) * | 2009-10-29 | 2010-08-11 | 核工业理化工程研究院华核新技术开发公司 | Axially adjustable eddy current sensor sealing connector |
| CN201673012U (en) * | 2010-05-10 | 2010-12-15 | 东莞市南兴木工机械有限公司 | Vacuum pressure detection apparatus |
| CN203718272U (en) * | 2013-12-27 | 2014-07-16 | 天津华能能源设备有限公司 | Barrel connecting pipe pressure test plugging device |
| CN206930410U (en) * | 2017-05-03 | 2018-01-26 | 南京扬子石化工程监理有限责任公司 | A kind of storage tank vacuum detection instrument |
| CN206891671U (en) * | 2017-07-12 | 2018-01-16 | 苏州元禾医疗器械有限公司 | A kind of confined gas detection means |
| CN107740064A (en) * | 2017-09-28 | 2018-02-27 | 北京创昱科技有限公司 | A kind of sealing device and its method for dismounting for being used to seal vacuum chamber cooling device |
| CN207921329U (en) * | 2018-03-07 | 2018-09-28 | 核工业理化工程研究院 | A kind of thin wall cylinder air-leakage test sealing device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180622 |
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| RJ01 | Rejection of invention patent application after publication |