CN108120561A - A kind of watertightness airtightness test table - Google Patents
A kind of watertightness airtightness test table Download PDFInfo
- Publication number
- CN108120561A CN108120561A CN201711389411.4A CN201711389411A CN108120561A CN 108120561 A CN108120561 A CN 108120561A CN 201711389411 A CN201711389411 A CN 201711389411A CN 108120561 A CN108120561 A CN 108120561A
- Authority
- CN
- China
- Prior art keywords
- seal closure
- air inlet
- air
- fixed
- workbench
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to detection fields, specifically disclose a kind of watertightness airtightness test table；Including rack, workbench, hold-down mechanism and water pump, hold-down mechanism includes seal closure, the cylinder and air pump assembly being each attached in rack, cylinder is equipped with closed air inlet, compression bar is fixed on the piston of cylinder, seal closure is fixed on compression bar, seal closure is opening down, seal closure top tilts, air pump assembly includes air inlet air pump and outlet air pump, the inlet end of air inlet air pump is connected with the highest point of seal cover cavity, outlet side is connected with air inlet, and the inlet end of outlet air pump is connected with cylinder, outlet side is connected with seal closure；Water pump is connected with seal closure, and workbench is fixed in rack, air bag, drainpipe and cricoid water blocking bucket is fixed on workbench, water blocking bucket position is in being communicated with closed air inlet pipe on seal closure periphery, air bag, air inlet pipe is away from air bag one end through workbench.This programme can be to avoid air inlet pipe and workpiece gas leakage or leak.
Description
Technical field
The present invention relates to detection fields, and in particular to a kind of watertightness air-tightness detection device.
Background technology
When workpiece is cast, the molten metal of molten state is injected after mold, it is necessary to be cooled down to mold, so that in mold
Molten metal fast cooling shaping, but when inhomogeneous cooling is even, crackle is susceptible on workpiece, cracked workpiece was using
Easy gas leakage or leakage in journey, so this workpiece belongs to substandard products.But these crackles are smaller, are visually difficult to find, so
It needs to carry out watertightness and air-leakage test to workpiece.
When carrying out air-leakage test at present, the opening of workpiece with air inlet pipe is connected, is then put the workpiece in water, into
Tracheae is inflated into the inner cavity of workpiece, increases the pressure in workpiece lumen, if there are leak source on workpiece, the gas meeting in workpiece
Slowly exudation, and bubble is formed in water；When carrying out watertightness detection, put the workpiece in water, if workpiece there are leak source,
Water can be slowly penetrated in workpiece, and whether then observe has water residual in workpiece.But in this way when detecting, by
Need to inflate into workpiece in air inlet pipe, the opening of workpiece and air inlet pipe junction is difficult to seal, gas easily from air inlet pipe with
The junction of workpiece leaks out, so can not determine whether that there are leak sources on workpiece completely.Secondly, after putting the workpiece in water,
Workpiece falls on the bottom under self gravitation effect, and workpiece bottom is contacted with the bottom, if workpiece bottom generates tiny bubble meeting at this time
It is subject to the stop of workpiece bottom and can not floats, it is difficult to is found by worker.And even if workpiece and water-bed contact position be there are gap, by
In being sealed, water also can not enter workpiece lumen from contact position, so this detection has erroneous judgement.
The content of the invention
It is an object of the invention to provide a kind of watertightness airtightness test tables for avoiding gas leakage or leak.
In order to achieve the above objectives, the technical scheme is that：A kind of watertightness airtightness test table, including rack, work
Make platform, hold-down mechanism and water pump, hold-down mechanism includes seal closure, the cylinder and air pump assembly being each attached in rack, on cylinder
Equipped with closed air inlet, compression bar is fixed on the piston of cylinder, seal closure is fixed on compression bar, and seal closure is opening down,
Seal closure top tilts, and air pump assembly includes air inlet air pump and outlet air pump, the inlet end of air inlet air pump and seal cover cavity
Highest point connection, outlet side are connected with air inlet, and the inlet end of outlet air pump is connected with cylinder, outlet side is connected with seal closure；
Water pump is connected with seal closure, and workbench is fixed in rack, and air bag, drainpipe and cricoid water blocking bucket are fixed on workbench,
Water blocking bucket position is in being communicated with closed air inlet pipe on seal closure periphery, air bag, air inlet pipe is away from air bag one end through workbench.
It first detects air tightness of workpiece, first all seals the opening on workpiece before detection, putting workpiece bias during detection
It puts on air bag, and water pump is connected with external water pipe, then open air inlet air pump and water pump, water pump adds water into water blocking bucket, into
Gas in seal closure is sent into cylinder by gas air pump, and the piston of cylinder moves downward, and seal closure moves downward.At seal closure bottom
After portion is contacted with the water surface, reduce the power of water pump, under the action of air inlet air pump, the water in water blocking bucket is inhaled into seal closure.
Finally sealed cover pressure on the table, turns off water pump, and seal closure covers on Workpiece periphery at this time.Since seal closure top droop is set
It puts, the gas in seal closure is moved along at the top of seal cover cavity to seal cover cavity highest point, is finally gathered in seal closure
Chamber highest point, air inlet air pump extracts gas remaining in seal closure out, and is sent into cylinder.Pressure increase in cylinder, cylinder
The downward pressure increase that is subject to of piston, piston increases the pressure of seal closure, the active force between seal closure and workbench
Increase, extraneous shipwreck between seal closure and workbench to enter.
Then air inlet is closed, and air inlet air pump is made to be disconnected with cylinder, air inlet air pump extracts the water in seal closure out, avoids
Water, which enters in cylinder, to be difficult to clear up, and the pressure in seal closure reduces, and closes air inlet air pump.And the pressure in workpiece be normal pressure, institute
Pressure in seal closure is more than with the pressure of inside workpiece at this time, if the gas in workpiece can be promoted there are leak source on workpiece
Body is leaked out from leak source, and the gas leaked out forms bubble at the top of workpiece surface or seal cover cavity.Then air inlet pipe is opened, by
Reduce in the pressure in seal closure, extraneous air can enter from air inlet pipe in air bag, expand air bag, air bag puts bias
Put workpiece on it and tilt and even overturn, it is convenient that workpiece bottom is observed, and if workpiece bottom generate bubble, and workpiece
It tilts or can be shaken when overturning, bubble is easily separated from workpiece and floats at the top of seal closure, facilitates discovery bubble.
Then workpiece watertightness is detected, opens water pump, water pump water-filling into seal closure, sealing internal mask pressure increase, if work
Part surface can promote the water in seal closure to enter in workpiece there are leak source.It switches off the pump after detection, opens outlet gas
Pump, outlet air pump make gas in cylinder and water enter in seal closure, and the piston rise of cylinder, seal closure is opened, then taken out
Workpiece simultaneously removes the sealing at workpiece openings, checks in workpiece whether there is water residual, if remaining water in workpiece, workpiece watertight
Property is bad.When being detected to next workpiece need not into water blocking bucket water-filling.
This programme has the beneficial effect that：
(1) opening on workpiece is closed in advance, gas will not be leaked out from the opening of workpiece, and water will not be from
Opening enters in workpiece, and detection will not be interfered.
(2) when starting to detect air-tightness, water pump adds water into water blocking bucket, and air pump moves downward seal closure, in seal closure
When bottom is less than the water surface in water blocking bucket, seal closure forms negative pressure under the action of air pump, so the water in water blocking bucket can be by
In suction seal cover, quickly make to accelerate detection speed full of water in seal closure.
(3) when detecting air-tightness, the pressure in seal closure is less than extraneous pressure, after opening air inlet pipe, extraneous air
Air bag can be entered, expand air bag, air bag promotes workpiece to rotate, and workpiece can expose bottom when tilting, and facilitate observation workpiece
Whether bottom has bubble generation, avoids missing inspection.
(4) water blocking bucket can play the role of water blocking, be filled while air pump allows seal closure to glide into water blocking bucket
Water, and the water being filled in water blocking bucket can be inhaled into the seal closure constantly pushed, the time required to shortening detection, improve detection effect
Rate.
Preferred embodiment one, is further improved as to base case, and workbench is equipped with closed discharge outlet.All
After workpiece sensing, discharge outlet is opened, water is discharged under self gravitation effect from discharge outlet, need not manually remove water blocking bucket
Interior water reduces the workload of worker.
Preferred embodiment two, as being further improved to preferred embodiment one, workbench is equipped with cricoid seal groove, sealing
Cover lower end can be caught in seal groove.The contact area with seal closure can be increased at this time, further avoid seal closure gas leakage.
Preferred embodiment three as being further improved to preferred embodiment two, is fixed with sealing ring in seal groove.Sealing ring into
One step improves the sealing effect of seal closure, avoids seal closure gas leakage.
Preferred embodiment four, as being further improved to preferred embodiment three, bottom of the frame is equipped with several hydraulic cylinders, hydraulic cylinder
Bottom is fixed in rack, and supporting rod is fixed on the piston of hydraulic cylinder.The height of workbench can be adjusted by adjusting hydraulic cylinder
Degree, the worker for being allowed to be more suitable for different height are operated, and worker is avoided to bend over, and improve comfort level during operation.
Preferred embodiment five, as being further improved to preferred embodiment four, supporting rod bottom is fixed with support base.Support base
The contact area with ground can be increased, so as to reduce the pressure that ground in unit area is born, ground is avoided to be subject to crushing.
Preferred embodiment six, as being further improved to preferred embodiment five, support base bottom is fixed with rubber layer.Rubber layer
It can be worn to avoid support base.
Description of the drawings
Fig. 1 is a kind of structure diagram of watertightness airtightness test table embodiment of the present invention.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments：
Reference numeral is：Rack 1, air inlet air pump 11, connecting tube 12, workbench 2, water blocking bucket 21, air bag 22, air inlet pipe
23rd, cylinder 3, air inlet 31, air inlet switch 32, seal closure 4, frequency converter 5, water pump 51, hydraulic cylinder 6, supporting rod 61, support base
62nd, rubber layer 63.
As shown in Figure 1, a kind of watertightness airtightness test table, including rack 1, workbench 2, hold-down mechanism and water pump 51,
Hold-down mechanism includes cylinder 3, air pump assembly and seal closure 4, and cylinder 3 is welded in rack 1, along vertical side on the piston of cylinder 3
To compression bar is welded with, 4 top of seal closure is welded on compression bar bottom, and seal closure 4 is opening down, and 4 inner cavity top of seal closure is in left low
Right high is obliquely installed.Cylinder 3 is equipped with air inlet 31 and air inlet switch 32, and air inlet switch 32 can close air inlet 31.Air pump
Component includes air inlet air pump 11 and outlet air pump, and the inlet end of outlet air pump is connected by pipeline with cylinder 3, outlet side passes through pipe
Road is connected with the air inlet 31 on seal closure 4；The splicing of 11 inlet end of air inlet air pump has connecting tube 12,12 upper end of connecting tube and air inlet
Mouth 31 connects, and 11 outlet side of air inlet air pump is connected by pipeline with 4 inner cavity top highest point of seal closure.Water pump 51 passes through another pipe
Road is connected with seal closure 4, and frequency converter 5 has been bolted on workbench 2, and frequency converter 5 is connected with water pump 51 by electric wire.Work
Make platform 2 to be welded in rack 1, workbench 2 is equipped with air bag 22, drainpipe and water blocking bucket 21, and 22 bottom of air bag is glued to workbench 2
Center at, 22 bottom of air bag, which is glued, an air inlet pipe 23, and workbench 2 is run through in 23 lower end of air inlet pipe, and 23 lower end of air inlet pipe is equipped with swollen
Distending closes, and expansion switch can close air inlet pipe 23.Water blocking bucket 21 is welded on workbench 2 and positioned at 4 periphery of seal closure, workbench
2 are equipped with discharge outlet and port flap, and port flap is threadedly coupled with discharge outlet, and discharge outlet is located at 21 inner circumferential of water blocking bucket.Work
Platform 2 is equipped with cricoid seal groove, and seal groove is located at immediately below seal groove, and being glued in seal groove has sealing ring, and sealing ring edge is perpendicular
Nogata to interface be in concave shape.1 bottom of rack is set there are four hydraulic cylinder 6, and 6 bottom of hydraulic cylinder is welded in rack 1, hydraulic cylinder
Supporting rod 61 is welded on 6 piston, for 61 bottom of supporting rod integrally formed with support base 62,62 bottom of support base, which is glued, rubber
Layer 63.
It first detects air tightness of workpiece, first all seals the opening on workpiece before detection, putting workpiece bias during detection
It puts on air bag 22, and water pump 51 is connected with external water pipe, open simultaneously air inlet switch 32, then open air inlet air pump 11 and water
Pump 51, and air inlet air pump 11 is rotated forward, water pump 51 adds water into water blocking bucket 21.After being contacted in 4 bottom of seal closure with the water surface, adjustment
Frequency converter 5 is to reduce the power of water pump 51, and under the action of air inlet air pump 11, the water in water blocking bucket 21 is inhaled into seal closure 4.
When finally sealed cover 4 is pressed on workbench 2,51 are switched off the pump, seal closure 4 covers on Workpiece periphery at this time.Air inlet air pump 11 will be close
After remaining gas is sent into cylinder 3 in sealing cover 4, air inlet switch 32 is closed, air inlet switch 32 closes air inlet 31.Then company is made
Take over 12 disconnects with air inlet 31, and air inlet air pump 11 extracts the water in seal closure 4 out, and air inlet air pump 11 is closed after 30 seconds.It sees
It examines whether workpiece surface forms bubble, it is necessary to when observing workpiece bottom with the presence or absence of leak source, opens expansion switch, air bag 22 is swollen
Swollen, air bag 22 makes workpiece tilt even overturning.
Then workpiece watertightness is detected, opens water pump 51, increases pressure in seal closure 4, after detection, switches off the pump
51, it opens air inlet switch 32 and outlet air pump 11, seal closure 4 is opened, then take out workpiece and remove the sealing at workpiece openings,
Check whether there is water residual in workpiece, after a workpiece sensing, water is remained in water blocking bucket 21, and next workpiece is examined
It need not the water-filling into water blocking bucket 21 again during survey.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the inventive concept of the premise, several modifications and improvements can also be made, these should also be considered as the guarantor of the present invention
Scope is protected, these all do not interfere with the effect and practical applicability that the present invention is implemented.The present invention omits the technology of description, shape
Shape, construction part are known technology.
Claims (7)
1. a kind of watertightness airtightness test table, which is characterized in that including rack, workbench, hold-down mechanism and water pump, the pressure
Tight mechanism includes seal closure, the cylinder and air pump assembly being each attached in rack, and the cylinder is equipped with closed air inlet,
Compression bar is fixed on the piston of the cylinder, the seal closure is fixed on compression bar, and the seal closure is opening down, the sealing
It covers top to tilt, the air pump assembly includes air inlet air pump and outlet air pump, in the inlet end and seal closure of the air inlet air pump
The highest point connection of chamber, outlet side are connected with air inlet, and the inlet end of the outlet air pump is connected with cylinder, outlet side and sealing
Cover connection；The water pump is connected with seal closure, and the workbench is fixed in rack, and air bag, row are fixed on the workbench
Water pipe and cricoid water blocking bucket, the water blocking bucket position is in being communicated with closed air inlet pipe, institute on seal closure periphery, the air bag
It states air inlet pipe and runs through workbench away from air bag one end.
2. watertightness airtightness test table according to claim 1, which is characterized in that the workbench is equipped with and can close
Discharge outlet.
3. watertightness airtightness test table according to claim 2, which is characterized in that the workbench is equipped with cricoid
Seal groove, the seal closure lower end can be caught in seal groove.
4. watertightness airtightness test table according to claim 3, which is characterized in that sealing is fixed in the seal groove
Circle.
5. watertightness airtightness test table according to claim 4, which is characterized in that the bottom of the frame is equipped with several liquid
Cylinder pressure, the hydraulic cylinder bottom are fixed in rack, and supporting rod is fixed on the piston of the hydraulic cylinder.
6. watertightness airtightness test table according to claim 5, which is characterized in that the supporting rod bottom is fixed with branch
Support seat.
7. watertightness airtightness test table according to claim 6, which is characterized in that the support base bottom is fixed with rubber
Glue-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711389411.4A CN108120561B (en) | 2017-12-21 | 2017-12-21 | A kind of watertightness airtightness test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711389411.4A CN108120561B (en) | 2017-12-21 | 2017-12-21 | A kind of watertightness airtightness test table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108120561A true CN108120561A (en) | 2018-06-05 |
| CN108120561B CN108120561B (en) | 2019-06-07 |
Family
ID=62230905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711389411.4A Active CN108120561B (en) | 2017-12-21 | 2017-12-21 | A kind of watertightness airtightness test table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108120561B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220988A (en) * | 2019-06-14 | 2019-09-10 | 中国科学院亚热带农业生态研究所 | A kind of simulation soil column N2O dissolves the method and device of process nitrogen acquisition |
| CN114034443A (en) * | 2021-11-26 | 2022-02-11 | 重庆怡之驰机械有限公司 | Airtightness detection device |
| CN114563142A (en) * | 2022-02-21 | 2022-05-31 | 重庆交通职业学院 | Sealing performance detection device for automobile sealing strip |
| CN116735120A (en) * | 2023-08-15 | 2023-09-12 | 苏州方正工程技术开发检测有限公司 | Chip packaging sealing detection equipment |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030643A (en) * | 1987-07-13 | 1989-01-25 | W·L戈尔及合伙人有限公司 | The detection that gas leaks |
| CN1070475A (en) * | 1991-09-13 | 1993-03-31 | 旭光学工业株式会社 | The apparatus and method of the watertightness of test shell |
| US5237855A (en) * | 1988-08-22 | 1993-08-24 | Expertek, Inc. | Apparatus for leak testing a fluid containing chamber |
| JPH07333099A (en) * | 1994-06-09 | 1995-12-22 | Enkei Kk | Device for testing airtightness |
| CN2804831Y (en) * | 2005-07-18 | 2006-08-09 | 李荣富 | Dry/water combination testing machine for airtightness of cavity work pieces |
| CN2864646Y (en) * | 2005-12-15 | 2007-01-31 | 长安汽车（集团）有限责任公司 | Gas impermeability test device for rubber element |
| CN201051039Y (en) * | 2006-12-30 | 2008-04-23 | 上海比亚迪有限公司 | Container leakage detection system |
| CN201688948U (en) * | 2010-05-18 | 2010-12-29 | 威海联桥仲精机械有限公司 | Engine cylinder air-tightness detection platform |
| CN202018365U (en) * | 2011-04-17 | 2011-10-26 | 铁岭天河机械制造有限责任公司 | Air-tightness inspection device for cam bearing caps of automobile engines |
| CN202403880U (en) * | 2012-01-13 | 2012-08-29 | 上海新孚美变速箱技术服务有限公司 | Torque converter leakage checking machine |
| CN204718746U (en) * | 2015-05-11 | 2015-10-21 | 宁波津一油泵有限公司 | A kind of gas-liquid sealing pick-up unit of substrate |
| CN106872117A (en) * | 2017-03-31 | 2017-06-20 | 江苏神舟车业集团有限公司 | Oil sump pneumatic sealing test frock |
-
2017
- 2017-12-21 CN CN201711389411.4A patent/CN108120561B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030643A (en) * | 1987-07-13 | 1989-01-25 | W·L戈尔及合伙人有限公司 | The detection that gas leaks |
| US5237855A (en) * | 1988-08-22 | 1993-08-24 | Expertek, Inc. | Apparatus for leak testing a fluid containing chamber |
| CN1070475A (en) * | 1991-09-13 | 1993-03-31 | 旭光学工业株式会社 | The apparatus and method of the watertightness of test shell |
| JPH07333099A (en) * | 1994-06-09 | 1995-12-22 | Enkei Kk | Device for testing airtightness |
| CN2804831Y (en) * | 2005-07-18 | 2006-08-09 | 李荣富 | Dry/water combination testing machine for airtightness of cavity work pieces |
| CN2864646Y (en) * | 2005-12-15 | 2007-01-31 | 长安汽车（集团）有限责任公司 | Gas impermeability test device for rubber element |
| CN201051039Y (en) * | 2006-12-30 | 2008-04-23 | 上海比亚迪有限公司 | Container leakage detection system |
| CN201688948U (en) * | 2010-05-18 | 2010-12-29 | 威海联桥仲精机械有限公司 | Engine cylinder air-tightness detection platform |
| CN202018365U (en) * | 2011-04-17 | 2011-10-26 | 铁岭天河机械制造有限责任公司 | Air-tightness inspection device for cam bearing caps of automobile engines |
| CN202403880U (en) * | 2012-01-13 | 2012-08-29 | 上海新孚美变速箱技术服务有限公司 | Torque converter leakage checking machine |
| CN204718746U (en) * | 2015-05-11 | 2015-10-21 | 宁波津一油泵有限公司 | A kind of gas-liquid sealing pick-up unit of substrate |
| CN106872117A (en) * | 2017-03-31 | 2017-06-20 | 江苏神舟车业集团有限公司 | Oil sump pneumatic sealing test frock |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220988A (en) * | 2019-06-14 | 2019-09-10 | 中国科学院亚热带农业生态研究所 | A kind of simulation soil column N2O dissolves the method and device of process nitrogen acquisition |
| CN114034443A (en) * | 2021-11-26 | 2022-02-11 | 重庆怡之驰机械有限公司 | Airtightness detection device |
| CN114563142A (en) * | 2022-02-21 | 2022-05-31 | 重庆交通职业学院 | Sealing performance detection device for automobile sealing strip |
| CN114563142B (en) * | 2022-02-21 | 2023-05-16 | 重庆交通职业学院 | Sealing strip tightness detection device for vehicle |
| CN116735120A (en) * | 2023-08-15 | 2023-09-12 | 苏州方正工程技术开发检测有限公司 | Chip packaging sealing detection equipment |
| CN116735120B (en) * | 2023-08-15 | 2023-11-03 | 苏州方正工程技术开发检测有限公司 | Chip packaging sealing detection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108120561B (en) | 2019-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108120561B (en) | A kind of watertightness airtightness test table | |
| CN108168789B (en) | A kind of watertightness airtightness test table fixing seal device | |
| CN207923396U (en) | A kind of tinned food detector | |
| CN202648887U (en) | Thermos liner leak-detecting machine | |
| CN209356141U (en) | A kind of water pump seamless verification test device | |
| CN106052978A (en) | Pressure vessel air tightness detection device and method | |
| CN103471780A (en) | System and method for detecting welding seam of end cover of sealed container | |
| CN106706228B (en) | Song body leak-checking apparatus | |
| CN203595589U (en) | Air leakage detector of vacuum bag | |
| CN115096516B (en) | Double-vacuum four-cavity air tightness detection method and detection machine for square-shell battery | |
| KR20130027151A (en) | Pouch cell leak tester | |
| CN207923395U (en) | A kind of air-tightness device for fast detecting of tinned food | |
| CN105810970A (en) | Method for rapidly detecting sealing performance of battery box | |
| CN202836892U (en) | Pipe airtightness detecting device | |
| CN102519681A (en) | Detection method for quality of welding line of sealed container | |
| CN206038243U (en) | Aerosol canister seals detection device | |
| CN203490042U (en) | Simple vacuum leakage-detecting device for battery | |
| CN108760159A (en) | It is a kind of to use SF6Gas carries out the device and method of shell leak detection | |
| CN216081935U (en) | Motor casing gas tightness detection device | |
| CN214200510U (en) | Liquefied gas bottle leakproofness detection device | |
| CN208868327U (en) | A kind of double end bottle placer eye drops leakage detection apparatus | |
| CN208701160U (en) | A kind of holding furnace with nitrogen protection | |
| CN210953261U (en) | Pneumatic air tightness detection device for wafer type rubber sealing butterfly valve | |
| CN210014881U (en) | Fuel filter leakproofness check out test set | |
| CN211855735U (en) | Food package seals check out test set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200506 Address after: No. 77-1, 77-4, No. 17, pushiyang Road, Shiqiao, Jiulongpo District, Chongqing Patentee after: Chongqing Xiaoyu Robot Co., Ltd. Address before: Jiulongpo District of Chongqing City Road 400039 students Pioneering Park No. 71, No. 71 of 1 No. B4-4 Patentee before: CHONGQING XIAOWEICHENG ENTERPRISE INCUBATOR Co.,Ltd. |
|
| TR01 | Transfer of patent right |