CN205826236U - A kind of cavity series products sealing propertytest platform - Google Patents
A kind of cavity series products sealing propertytest platform Download PDFInfo
- Publication number
- CN205826236U CN205826236U CN201620657578.9U CN201620657578U CN205826236U CN 205826236 U CN205826236 U CN 205826236U CN 201620657578 U CN201620657578 U CN 201620657578U CN 205826236 U CN205826236 U CN 205826236U
- Authority
- CN
- China
- Prior art keywords
- annular seal
- seal space
- product
- detected
- series products
- 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.)
- Withdrawn - After Issue
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 88
- 239000001307 helium Substances 0.000 claims abstract description 54
- 229910052734 helium Inorganic materials 0.000 claims abstract description 54
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000007789 gas Substances 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000006698 induction Effects 0.000 claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 39
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000001819 mass spectrum Methods 0.000 claims 1
- 239000000047 product Substances 0.000 abstract description 82
- 239000006227 byproduct Substances 0.000 abstract description 4
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000010721 machine oil Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
This utility model provides a kind of cavity series products sealing propertytest platform, including helium gas source, helium mass spectrometer leak detector and sealing device, form the cavity for installing product to be detected on described sealing device, and described cavity is isolated into the first separate annular seal space and the second annular seal space by product to be detected；Described first annular seal space is mutually communicated with product cavity to be detected, and described product to be detected is positioned in the second annular seal space；Communicated by air induction conduit between described helium gas source with the first annular seal space, communicated by suction catheters between described helium mass spectrometer leak detector and the second annular seal space.This utility model is passed through helium by helium gas source to the first annular seal space, utilize the feature that helium gas molecules amount is little, penetrance is the strongest, by helium mass spectrometer leak detector, the gas in the second annular seal space is bled detection with the leakage rate testing result obtaining product to be detected, not only sealing propertytest precision is high, and testing result is accurately, reliably.
Description
Technical field
This utility model relates to cavity series products sealing propertytest technical field, especially relates to a kind of cavity series products close
Envelope property monitor station.
Background technology
For cavity series products, the cavity series products that especially sealing requirements is higher, such as, use and send out at automobile
Belt-type phaser in motivation, its working chamber and outside are to use rubber seal to seal, when phaser works, its
Inner chamber machine oil stress is complicated, and the sealing ring of phaser is subjected to the high oil pressure of inner chamber, still suffers from inner chamber when phaser rotates
The centrifugal force that machine oil produces, therefore, the sealing of phaser is to weigh the important technology index that belt-type phaser is good and bad.
When leakage of oil (being commonly called as " External leakage ") occurs in belt-type phaser, owing to machine oil is attached to belt pulley tooth surface, easily lead
Cause belt creep；Further, since phaser leakage of oil, the machine oil of the oil sump of electromotor is also caused to reduce.
Currently for the External leakage detection of the higher cavity series products of sealing requirements, more is to use differential pressure type gas
Airtight detector detects.But, owing to the accuracy of detection of differential pressure type air-leakage detector is relatively low, typically can only achieve
0.1sccm, therefore, the reliability of its sealing propertytest result is poor, especially can not efficiently identify out cavity series products
Trace External leakage.
Utility model content
The technical problems to be solved in the utility model is: the problem existed for prior art, it is provided that a kind of cavity class is produced
Product sealing propertytest platform, improves the sealing propertytest precision of cavity series products.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of cavity series products sealing
Monitor station, including helium gas source, helium mass spectrometer leak detector and sealing device, described sealing device is formed and is used for installing product to be detected
Cavity, and described cavity is isolated into the first separate annular seal space and the second annular seal space by product to be detected；Described
First annular seal space is mutually communicated with product cavity to be detected, and described product to be detected is positioned in the second annular seal space；Described helium gas source
Communicated by air induction conduit with between the first annular seal space, between described helium mass spectrometer leak detector and the second annular seal space, pass through suction catheters
Communicate.
Preferably, described sealing device includes that pressure head, pedestal and bell jar, described pressure head are the hollow cylinder of T-shaped structure,
Its relatively small end inserts in bell jar inner chamber, is tightly connected between its relatively large end and bell jar, and described pedestal is movable with bell jar
Connect；When described pressure head and product to be detected are tightly connected, between described pedestal and bell jar, it is tightly connected formation the second annular seal space,
Described pressure head inner chamber forms the first annular seal space.
Preferably, also include that guide pillar, support and spring, described guide pillar are fixedly connected on pedestal, described support and guide pillar
Between be flexibly connected, spring is set between support and pedestal, and support slides relative to guide pillar after supporting product to be detected
And extrusion spring.
Preferably, described support arranges the 3rd sealing ring.
Preferably, the connecting portion between described pressure head and bell jar arranges the first sealing ring.
Preferably, described head exit end arranges the second sealing ring.
Preferably, the connecting portion between described pedestal and bell jar arranges the 4th sealing ring.
Preferably, the top of described 4th sealing ring is arranged to pyramidal structure.
Preferably, also include that cylinder, described cylinder are fixedly mounted in frame, and the action outfan of cylinder is with bell jar even
Connect.
Preferably, also include vacuum pump, be connected by the second arm between described vacuum pump and suction catheters, described helium matter
It is connected by the first arm between spectrum leak detector and suction catheters.
Compared with prior art, the beneficial effects of the utility model are: when needs carry out sealing inspection to cavity series products
During survey, product to be detected is installed in the second annular seal space of sealing device, and makes product cavity to be detected and the first annular seal space
Communicating, helium gas source be passed through helium by air induction conduit to the first annular seal space, helium will be directed into product cavity to be detected；
Owing to helium gas molecules amount is little, its penetrance is very strong, and the accuracy of detection of helium mass spectrometer leak detector is up to 10-10Sccm, therefore, utilizes
Gas in second annular seal space is bled detection by helium mass spectrometer leak detector, can be readily derived the leakage rate of product to be detected
Testing result, its sealing propertytest precision may be up to 10-6Sccm～10-8Sccm, it is possible to meet the close of cavity series products well
Envelope property testing requirement；It is particularly suited for the sealing propertytest during batch production of cavity series products, such that it is able to be effectively improved chamber
The sealing propertytest efficiency of body series products, and accuracy of detection is high, testing result accurately and reliably.
Accompanying drawing explanation
Fig. 1 is the unitary construction figure (embodiment 1) of this utility model a kind of cavity series products sealing propertytest platform.
Fig. 2 is the unitary construction figure (embodiment 2) of this utility model a kind of cavity series products sealing propertytest platform.
Fig. 3 is the electric control theory figure of the cavity series products sealing propertytest platform in Fig. 2.
Fig. 4 is the structural representation (sectional view) of the sealing device in Fig. 1 or Fig. 2.
Labelling in figure: 1-helium gas source, 2-the first pipeline valve, 3-the first pressure transducer, 4-air induction conduit, 5-frame, 6-
Cylinder, 7-alarm, 8-display, 9-controller, 10-pressure head, 11-product to be detected, 12-vacuum pump, 13-second pipe
Valve, 14-helium mass spectrometer leak detector, 15-the 3rd pipeline valve, 16-the second pressure transducer, 17-suction catheters, 18-pedestal, 19-clock
Cover, 20-guide pillar, 21-support, 22-spring, 23-the first sealing ring, 24-the second sealing ring, 25-the 3rd sealing ring, 26-the 4th
Sealing ring, 27-electromagnetic valve, 171-the first arm, 172-the second arm, A-the first annular seal space, B-the second annular seal space.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and specifically
This utility model is described in detail by embodiment.Should be appreciated that specific embodiment described herein is only in order to explain this
Utility model, is not used to limit this utility model.
Embodiment 1
Cavity series products sealing propertytest platform as shown in Figure 1, mainly includes helium gas source 1, helium mass spectrometer leak detector 14 and close
Seal apparatus, wherein, described helium gas source 1 uses helium tank, the concrete structure of described sealing device as shown in Figure 4, mainly to include
Pressure head 10, pedestal 18 and bell jar 19, described pressure head 10 is the hollow cylinder of T-shaped structure, and its relatively small end inserts in bell jar 19
In chamber, being sealedly connected and fixed between its relatively large end and bell jar 19, described pedestal 18 is flexibly connected between bell jar 19, both
Between can be separated from each other, it is also possible to be that bell jar 19 is descending relative to pedestal 18 until combining formation between the two and being tightly connected.
In order to quickly and conveniently control the bell jar 19 up, downward movement relative to pedestal 18, save manual operation, it is possible to use cylinder
6 up and down motions controlling bell jar 19, specifically, are fixedly mounted on cylinder 6 in frame 5, and the action outfan of cylinder 6 with
Bell jar 19 connects, and correspondingly, described sealing device is arranged in frame 5 inner chamber.
After product 11 to be detected is installed in bell jar 19 inner chamber, control bell jar 19 relative to pedestal 18 times by cylinder 6
Row motion, until being tightly connected between pressure head 10 and product to be detected 11, meanwhile, described pedestal 18 also and seals between bell jar 19
Connect；Now, the cavity of bell jar 19 is i.e. isolated into separate 2 annular seal space by product 11 to be detected, respectively: by pressing
10 the first annular seal space A being collectively forming with product 11 to be detected and by bell jar 19, pressure head 10, product to be detected 11, pedestal
18 the second annular seal space B being collectively forming.The first described annular seal space A is mutually communicated with product 11 inner chamber to be detected, described in treat
Detection product 11 is positioned in the second annular seal space B, is communicated by air induction conduit 4 between described helium gas source 1 with the first annular seal space A,
First pipeline valve 2 is set on air induction conduit 4, by suction catheters 17 between described helium mass spectrometer leak detector 14 and the second annular seal space B
Communicate.
When utilizing above-mentioned monitor station that cavity series products is carried out sealing propertytest, its concrete detection method includes as follows
Step:
1st step, makes bell jar 19 move up to certain altitude relative to pedestal 18 by cylinder 6, by product 11 to be detected
It is installed on pedestal 18, and guarantees that between product 11 lower surface to be detected and pedestal 18, the sealing of contact site is reliable；Pass through
Cylinder 6 makes bell jar 19 move downward relative to pedestal 18, until being formed close between the upper surface of pressure head 10 and product to be detected 11
Envelope connects, and now, passes through to be tightly connected to define the second annular seal space B, pressure head 10 inner chamber then shape between pedestal 18 and bell jar 19
Become the first annular seal space A.Described product to be detected 11 is positioned in the second annular seal space B, if only having 1 on product to be detected 11
Opening communicates with its inner chamber, then make that end face with opening upward, the upper surface of product 11 the most to be detected and pressure head 10 it
Between formed and be tightly connected, and be mutually communicated between product to be detected 11 inner chamber and the first annular seal space A, and product to be detected 11 times
End face then and keeps between pedestal 18 being tightly connected reliably because not having opening；If the upper and lower end face of product 11 to be detected
It is respectively arranged with 1 opening to communicate with its inner chamber, as shown in Figure 4, shape between upper surface and the pressure head 10 of product 11 the most to be detected
One-tenth is tightly connected, or between the lower surface of product to be detected 11 and pressure head 10, formation is tightly connected, and is all possible.The most not
Cross, owing to the contact site between product 11 to be detected and pedestal 18 exists leakage hidden danger, in order to eliminate because there is 1 opening
Leakage hidden danger at this, can offer cannelure on pedestal 18, in this cannelure install sealing ring, and make this sealing ring with
The lower surface of product 11 to be detected keeps being in sealing contact.Certainly, if the lower surface of product to be detected 11 be not provided with opening with
Its inner chamber communicates, then this sealing ring being arranged on pedestal 18 can be cancelled.
Reliable in order to ensure the sealing of contact site between upper surface and the pressure head 10 of product 11 to be detected, can be in pressure
10 ports of export arrange the second sealing ring 24；Preferably, offer cannelure at pressure head 10 port of export, and by described second sealing ring
24 interlockings are in cannelure, so that the second sealing ring 24 and pressure head 10 can keep being synchronized with the movement.Similarly, in order to ensure bell jar
Between 19 and pedestal 18, the sealing of contact site is reliable, can arrange the 4th by the connecting portion between pedestal 18 and bell jar 19
Sealing ring 26；Preferably, offer cannelure on pedestal 18 top, and described 4th sealing ring 26 is rabbeted in cannelure, with
Prevent the 4th sealing ring 26 from moving with bell jar 19；Further, it is also possible to the top of the 4th sealing ring 26 is arranged to taper knot
Structure, as shown in Figure 4, so can better ensure that and contact between the 4th sealing ring 26 and bell jar 19 fully, so that it is guaranteed that bell jar
Sealing reliability between 19 and pedestal 18.
2nd step, is passed through helium by helium gas source 1, air induction conduit 4 to the first annular seal space A, by regulation air induction conduit 4
The first pipeline valve 2, can regulate helium is passed through speed and intake.The helium entered in the first annular seal space A enters immediately
In product 11 inner chamber to be detected, if product to be detected 11 exists leakage, such as, for belt-type phaser, therein
Sealing ring is impaired will cause belt-type phaser oil leakage phenomenon occur, and the helium leaked out from product 11 to be detected directly enters
Enter in the second annular seal space B, so that the pressure in the second annular seal space B raises.In order to prevent helium in the second annular seal space B from
Connecting portion between pressure head 10 and bell jar 19 leaks out, thus has influence on the sealing propertytest precision of product 11 to be detected,
First sealing ring 23 can be set connecting portion between pressure head 10 and bell jar 19, as shown in Figure 4.
3rd step, is bled, by helium to the gas in the second annular seal space B by helium mass spectrometer leak detector 14, suction catheters 17
Mass-spectrometer leak detector 14 detects unit interval internal leakage to the amount of helium in the second annular seal space B, and exports corresponding product to be detected
The leakage rate testing result of 11.The leakage standard value of this leakage rate testing result with product 11 to be detected is analyzed,
Can judge that product 11 to be detected is the most qualified.
Exhaust capacity in view of helium mass spectrometer leak detector 14 self is limited, in order to improve above-mentioned monitor station detection efficiency and
Accuracy of detection, as it is shown in figure 1, phase can be connected with first arm the 171, second arm 172 respectively by suction catheters 17 port of export
Logical, described first arm 171 port of export is then connected with helium mass spectrometer leak detector 14, arranges the 3rd pipeline valve on the first arm 171
15；Described second arm 172 port of export is then connected with vacuum pump 12, arranges second pipe valve 13 on the second arm 172；Separately
Outward, after have employed vacuum pump 12, when bell jar 19 come downwards to the first annular seal space A, the second annular seal space B formed completely time, Ke Yitong
Cross vacuum pump 12 and extract the gas in bell jar 19 out, make the second annular seal space B form vacuum.After the second annular seal space B forms vacuum state,
Open helium gas source 1 again and be passed through helium to the first annular seal space A, as long as having helium to penetrate product 11 to be detected leak into the second annular seal space
In B, will be extracted out by vacuum pump 12, and be split to helium mass spectrometer leak detector 14, thereby may be ensured that entrance helium mass spectrometer leak detector
Gas componant in 14 is substantially helium, this detection efficiency and accuracy of detection of being also beneficial to improve monitor station.
In the monitor station of said structure, after product 11 to be detected is installed on pedestal 18, described product 11 to be detected
It is respectively formed " firmly " between upper surface with pressure head 10, between product to be detected 11 lower surface and pedestal 18 and contacts sealing structure, this
Sealing means can not ensure between product 11 upper surface to be detected and pressure head 10 well, especially can not ensure to be checked well
Survey the sealing reliability between product 11 lower surface and pedestal 18, thus the sealing propertytest precision of product 11 to be detected is produced
Adverse effect.To this end, as shown in Figure 4, connection guide pillar 20 can be fixed on pedestal 18, guide pillar 20 is socketed spring 22 and props up
Frame 21, described spring 22 is between support 21 and pedestal 18, and described support 21 is flexibly connected between guide pillar 20, and support 21
Slide and extrusion spring 22 relative to guide pillar 20 after supporting product 11 to be detected.After using this structure, allow for be detected
Between product 11 upper surface and pressure head 10, between product to be detected 11 lower surface and support 21, formed " soft " of a kind of elasticity
Contact seals structure, so that it is guaranteed that between product to be detected 11 upper surface and pressure head 10, product to be detected 11 lower surface and support
Sealing reliability between 21, is conducive to improving sealing propertytest reliability and the accuracy of detection of product 11 to be detected.In order to enter
One step strengthens the sealing reliability of contact site between support 21 and product to be detected 11, can arrange the 3rd on the stent 21 close
Seal 25；Preferably, offer cannelure on support 21 top, and the 3rd sealing ring 25 is rabbeted in cannelure, so that the 3rd
Sealing ring 25 and support 21 can keep being synchronized with the movement.It is pointed out that if the lower surface of product to be detected 11 does not set
Put opening to communicate with its inner chamber, then this setting the 3rd sealing ring 25 on the stent 21 can be cancelled, to simplify the whole of monitor station
Body structure.
Embodiment 2
Cavity series products sealing propertytest platform as shown in Figure 2, also includes alarm 7, display 8 and controller 9, is entering
Arranging the first pressure transducer 3 on airway 4, arrange the second pressure transducer 16 on suction catheters 17, described cylinder 6 uses
Electromagnetic valve 27 controls its action.Wherein, described alarm 7 can use photoelectric alarm, the most trichroism alarm lamp, or
Use voice guard；Described controller 9 can use PLC, or single-chip microcomputer, or industrial computer.As it is shown on figure 3, it is described
First pipeline valve 2, second pipe valve the 13, the 3rd pipeline valve 15 all use electromagnetic valve, and electrically connect with controller 9 respectively；Described
Display 8, helium mass spectrometer leak detector 14, vacuum pump 12, alarm the 7, first pressure transducer the 3, second pressure transducer 16, electromagnetism
Valve 27 electrically connects with controller 9 respectively.Other dependency structures and the method that predominantly detects are with embodiment 1.
But, with embodiment 1 except that, when helium mass spectrometer leak detector 14, to detect unit interval internal leakage close to second
Amount of helium in envelope chamber B, calculates the leakage rate of corresponding product to be detected 11, and by the output of this leakage rate testing result to control
Device 9 processed, is processed by controller 9 this leakage rate testing result and judges.When the leakage rate of product 11 to be detected is less than it
During leakage standard value, it is judged that this product 11 to be detected is qualified；But, when the leakage rate of product 11 to be detected leaks standard higher than it
During value, it is judged that this product 11 to be detected is defective, alarm 7 send corresponding alarm；Last leakage rate detection knot
Fruit shown by display 8, wherein, by the first pressure transducer 3 can facilitate the output pressure to helium gas source 1, first
Helium pressure in annular seal space A is monitored in real time, can be facilitated in the second annular seal space B by the second pressure transducer 16
Vacuum is monitored in real time.Owing to whole detection process can realize automatically detecting, judging, and provide corresponding warning and carry
Show, such that it is able to reduce the manual intervention during detection, be conducive to improving detection efficiency, and improve the reliable of testing result
Property, accuracy.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, it should refer to
Go out, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should comprise
Within protection domain of the present utility model.
Claims (10)
1. a cavity series products sealing propertytest platform, it is characterised in that: include helium gas source (1), helium mass spectrometer leak detector (14) and
Sealing device, described sealing device is formed and is used for installing the cavity of product to be detected (11), and described cavity is to be checked
Survey product (11) and be isolated into separate the first annular seal space (A) and the second annular seal space (B)；Described first annular seal space (A) with treat
Detection product (11) inner chamber is mutually communicated, and described product to be detected (11) is positioned in the second annular seal space (B)；Described helium gas source (1)
Communicated by air induction conduit (4) with between the first annular seal space (A), described helium mass spectrometer leak detector (14) and the second annular seal space (B) it
Between communicated by suction catheters (17).
A kind of cavity series products sealing propertytest platform the most according to claim 1, it is characterised in that: described sealing device
Including pressure head (10), pedestal (18) and bell jar (19), described pressure head (10) is the hollow cylinder of T-shaped structure, its relatively small end
Insert in bell jar (19) inner chamber, be tightly connected between its relatively large end and bell jar (19), described pedestal (18) and bell jar (19)
It is flexibly connected；When described pressure head (10) and product to be detected (11) are tightly connected, close between described pedestal (18) and bell jar (19)
Envelope connects formation the second annular seal space (B), and described pressure head (10) inner chamber forms the first annular seal space (A).
A kind of cavity series products sealing propertytest platform the most according to claim 2, it is characterised in that: also include guide pillar
(20), support (21) and spring (22), described guide pillar (20) is fixedly connected on pedestal (18), described support (21) and guide pillar
(20) it is flexibly connected between, spring (22) is set between support (21) and pedestal (18), and support (21) is to be detected in support
Slide and extrusion spring (22) relative to guide pillar (20) after product (11).
A kind of cavity series products sealing propertytest platform the most according to claim 3, it is characterised in that: described support (21)
On the 3rd sealing ring (25) is set.
5. according to a kind of cavity series products sealing propertytest platform described in any one of claim 2-4, it is characterised in that: described pressure
Connecting portion between head (10) and bell jar (19) arranges the first sealing ring (23).
6. according to a kind of cavity series products sealing propertytest platform described in any one of claim 2-4, it is characterised in that: described pressure
Head (10) port of export arranges the second sealing ring (24).
7. according to a kind of cavity series products sealing propertytest platform described in any one of claim 2-4, it is characterised in that: described base
Connecting portion between seat (18) and bell jar (19) arranges the 4th sealing ring (26).
A kind of cavity series products sealing propertytest platform the most according to claim 7, it is characterised in that: described 4th sealing ring
(26) top is arranged to pyramidal structure.
9. according to a kind of cavity series products sealing propertytest platform described in any one of claim 2-4, it is characterised in that: also include
Cylinder (6), described cylinder (6) is fixedly mounted in frame (5), and the action outfan of cylinder (6) is connected with bell jar (19).
10. according to a kind of cavity series products sealing propertytest platform described in any one of claim 1-4, it is characterised in that: also wrap
Include vacuum pump (12), be connected by the second arm (172) between described vacuum pump (12) with suction catheters (17), described helium mass spectrum
It is connected by the first arm (171) between leak detector (14) with suction catheters (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620657578.9U CN205826236U (en) | 2016-06-28 | 2016-06-28 | A kind of cavity series products sealing propertytest platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620657578.9U CN205826236U (en) | 2016-06-28 | 2016-06-28 | A kind of cavity series products sealing propertytest platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826236U true CN205826236U (en) | 2016-12-21 |
Family
ID=57565919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620657578.9U Withdrawn - After Issue CN205826236U (en) | 2016-06-28 | 2016-06-28 | A kind of cavity series products sealing propertytest platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826236U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890849A (en) * | 2016-06-28 | 2016-08-24 | 襄阳富临精工机械有限责任公司 | Cavity product airtightness detection table and detection method |
| CN108980626A (en) * | 2018-08-24 | 2018-12-11 | 苏州澳佰特自动化设备有限公司 | A kind of filling recovery method of helium detection air locking |
| CN109584665A (en) * | 2018-11-23 | 2019-04-05 | 国网天津市电力公司电力科学研究院 | Sulfur hexafluoride leaks simulator and leak detection Training Methodology |
| CN110501121A (en) * | 2018-05-17 | 2019-11-26 | 盾安环境技术有限公司 | Shut-off valve helium examines tooling and its helium examines equipment |
| CN110612071A (en) * | 2017-05-08 | 2019-12-24 | Pmu创新股份有限公司 | Aortic graft occluder |
| CN111413037A (en) * | 2020-04-28 | 2020-07-14 | 博众精工科技股份有限公司 | Sealing performance detection device and sealing performance detection method |
| CN112098017A (en) * | 2020-08-05 | 2020-12-18 | 安徽皖仪科技股份有限公司 | Helium detection tool for water-cooling plate |
-
2016
- 2016-06-28 CN CN201620657578.9U patent/CN205826236U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890849A (en) * | 2016-06-28 | 2016-08-24 | 襄阳富临精工机械有限责任公司 | Cavity product airtightness detection table and detection method |
| CN110612071A (en) * | 2017-05-08 | 2019-12-24 | Pmu创新股份有限公司 | Aortic graft occluder |
| CN110612071B (en) * | 2017-05-08 | 2022-01-11 | Pmu创新股份有限公司 | Aortic graft occluder |
| US11458006B2 (en) | 2017-05-08 | 2022-10-04 | Pmu Innovations Gmbh | Aortic graft occluder |
| CN110501121A (en) * | 2018-05-17 | 2019-11-26 | 盾安环境技术有限公司 | Shut-off valve helium examines tooling and its helium examines equipment |
| CN108980626A (en) * | 2018-08-24 | 2018-12-11 | 苏州澳佰特自动化设备有限公司 | A kind of filling recovery method of helium detection air locking |
| CN108980626B (en) * | 2018-08-24 | 2020-09-15 | 苏州澳佰特自动化设备有限公司 | Filling recovery method of helium detection sealing device |
| CN109584665A (en) * | 2018-11-23 | 2019-04-05 | 国网天津市电力公司电力科学研究院 | Sulfur hexafluoride leaks simulator and leak detection Training Methodology |
| CN111413037A (en) * | 2020-04-28 | 2020-07-14 | 博众精工科技股份有限公司 | Sealing performance detection device and sealing performance detection method |
| CN111413037B (en) * | 2020-04-28 | 2022-09-02 | 博众精工科技股份有限公司 | Sealing performance detection device and sealing performance detection method |
| CN112098017A (en) * | 2020-08-05 | 2020-12-18 | 安徽皖仪科技股份有限公司 | Helium detection tool for water-cooling plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105890849B (en) | A kind of cavity class product hermeticity monitor station and detection method | |
| CN104236826B (en) | The device for detecting sealability and method of airbag product | |
| CN104280200A (en) | Method for detecting sealing performance of vacuum cavity | |
| CN108593226B (en) | Kettle body air tightness detection device and detection method | |
| CN209356141U (en) | A kind of water pump seamless verification test device | |
| CN202075109U (en) | Air tightness detector for reducer shell | |
| CN106052978A (en) | Pressure vessel air tightness detection device and method | |
| CN112763152A (en) | Air leakage detection method of inflatable product | |
| CN110441002B (en) | Air tightness detection device | |
| CN205826235U (en) | A kind of sealing device for cavity series products sealing propertytest | |
| CN107044903A (en) | A kind of leakage detection clamp and leak detecting device | |
| CN204730989U (en) | Sealing propertytest system | |
| CN101514937B (en) | Engine water pump leakage detecting device | |
| CN207163679U (en) | A kind of air-tightness detection device for clutch master cylinder | |
| CN102435403B (en) | Integrated device applicable to differential pressure leakage detection of high/low pressures | |
| CN208795440U (en) | A kind of battery box cover air-tightness detection device | |
| CN207704004U (en) | A kind of telephone testing machine | |
| CN113447217B (en) | Tightness inspection unit and method for soft bag packaging system | |
| CN203037433U (en) | Reagent vessel sealing degree detection device | |
| CN212030835U (en) | Pneumatic detection device of mechanical seal gas tightness | |
| CN222561227U (en) | An airtightness detection device for an electric battery vehicle motor end cover | |
| CN110470437B (en) | Toilet pipeline leakage detection device and detection method | |
| CN219391279U (en) | Hermetic seal detection equipment for storage box of washing machine | |
| CN214471734U (en) | A cylinder cover inspection equipment | |
| CN205384125U (en) | Sprocket room airtightness detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161221 Effective date of abandoning: 20180720 |
|
| AV01 | Patent right actively abandoned |