CN206378255U - New air tightness detection apparatus - Google Patents
New air tightness detection apparatus Download PDFInfo
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- CN206378255U CN206378255U CN201720037787.8U CN201720037787U CN206378255U CN 206378255 U CN206378255 U CN 206378255U CN 201720037787 U CN201720037787 U CN 201720037787U CN 206378255 U CN206378255 U CN 206378255U
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- upper clamping
- detection apparatus
- air tightness
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Abstract
The utility model is related to a kind of new air tightness detection apparatus, the upper clamping fixture being oppositely arranged including above and below and the light fixture positioning mould for being tested light fixture positioning, upper clamping fixture is fixedly connected with the electric pushrod of about one extension, upper clamping fixture lower end is provided with tight tank, the open edge in the bottom of tight tank is arranged to the edge matched with the sealing gasket of the tested light fixture, and upper clamping fixture is fixed with contact tangent displacement sensor directed downwardly.Upper clamping fixture is fixed on fixture top plate bottom surface, light fixture positioning mould is fixed on clamp bottom board top surface, the one or more fixture upper limit bars extended downwardly are provided with fixture top plate, the one or more fixture lower limit bars upwardly extended are provided with clamp bottom board, fixture upper limit bar and fixture lower limit bar are arranged in pairs, two-by-two on straight line and free end is relative.The utility model is not only simple in structure rationally, and can accurately detect and control the decrement of sealing gasket, so that airtight conditions controllableization is reached, and flexibility degree is high.
Description
Technical field
The utility model is related to a kind of device applied to automobile lamp air-tightness quality testing.
Background technology
Automobile lamp is one of most important part of automobile.In appearance, automobile lamp is formed with the outer parts of other vehicle bodies
The overall outline of automobile, outwardly expresses the outward appearance of vehicle；Functionally, car light plays just as the eyes of people and is sent out letter
Number, night illumination, the effect such as reduction accident rate under bad weather.It is used as outwardly transmission signal few in number in vehicle
And can be just particularly important with the extraneous auto parts and components that interact, the quality of car light.
Generally, the lens and lamp body of car light are welded to connect or connected by glue, if failure welding or glue
Water break glue situations such as occur be able to may produce it is airtight bad.Car light is airtight bad, it may appear that situations such as car light hazes, intake.
Car light, which hazes, can reduce intensity of illumination, and night can influence the visual field of driver；Water inlet can cause the aging of car light internal wiring even
Short circuit, makes driver and other passerbys cause erroneous judgement, so as to cause traffic accident.Therefore, air seal test is carried out for car light
Detection, it is ensured that integral sealing is just seemed particularly with improving car light inherently safe performance, and extending car light service life inside car light
It is important.
The method used at present be into lamp body inflation and pressurize, during judge car light by detecting the method for air pressure
Whether air-tightness is good.
Lifter plate A2 is set constantly to decline as shown in figure 1, tight tank A4 is promoted by equipment cylinder A1, when lifter plate limited post
When A3 is contacted with work top gag lever post A6, compression light fixture sealing gasket A5 forms a sealed cavity with light fixture inner chamber.Gas
Enter tested lamp body from surface along tight tank.
When tight tank is in operating position, the distance of lifter plate and deck plate is a definite value H1, but due to light fixture zero
The difference of the deformation of part and the depth of weld etc., sealing gasket has difference relative to the height of table top, therefore different light fixtures exists
When doing airtight detection, the decrement of sealing gasket is different.If sealing gasket decrement is excessive, unqualified light fixture part can be caused
Between the gap that exists compressed, cause the light fixture for being judged as that air-tightness is good on surface, there are in fact airtight bad
May；If sealing gasket decrement is too small, qualified light fixture can be caused to be unable to reach defined detection state, cause air-tightness to be judged by accident
To be unqualified.
The content of the invention
To overcome the drawbacks described above of prior art, the utility model provides a kind of new air tightness detection apparatus, the device
It is not only simple in structure rationally, and can accurately detects and control the decrement of sealing gasket, so as to reaches airtight conditions controllableization.
Main technical schemes of the present utility model have：
A kind of new air tightness detection apparatus, including the upper clamping fixture that is oppositely arranged and the lamp for being tested light fixture positioning up and down
Has positioning mould, the upper clamping fixture is fixedly connected with the electric pushrod of about one extension, and the lower end of the upper clamping fixture is provided with gas
Close tank, the open edge in bottom of the tight tank is arranged to the edge matched with the sealing gasket of the tested light fixture, the folder
Mould is further fixed on contact tangent displacement sensor directed downwardly on tool.
The upper clamping fixture is fixed on the bottom surface of fixture top plate, and the light fixture positioning mould is fixed on the top surface of clamp bottom board
On, can be provided with the fixture top plate can on the one or more fixture upper limit bars extended downwardly, the clamp bottom board
The one or more fixture lower limit bars upwardly extended with being provided with, the fixture upper limit bar and the fixture lower limit bar into
To setting, two-by-two on straight line and free end is relative.
The free end of the fixture upper limit bar and/or the fixture lower limit bar is also provided with the regulation extended up and down
Bolt.
Fixture guard sensor can also be fixed with least one described fixture upper limit bar.
The bottom of the upper clamping fixture is tight tank installing plate, and the tight tank is fixed on the bottom of the tight tank installing plate
On face.
The top of the tight tank is provided with relevant position on gas feed, the tight tank installing plate and is provided with inflation inlet.
Sensor stand is installed with the tight tank installing plate, the tangent displacement sensor is fixedly connected on
On the sensor stand.
The new air tightness detection apparatus can also include guidance panel, and the guidance panel may be mounted at the fixture
On upper mould.
The electric pushrod is preferred to use electric cylinders, and the cylinder barrel of electric cylinders is fixed on horizontally disposed frame top plate, the electricity
The cylinder rod of cylinder is passed down through the frame top plate and is fixedly connected with the upper clamping fixture.
The new air tightness detection apparatus is also provided with horizontal bottom of the frame deck plate and the lifter plate of level, described
It is supporting on the support bar provided with the support bar that one or more extends up and down between frame top plate and the bottom of the frame deck plate
Provided with linear bearing seat, the linear bearing seat and corresponding support bar formation linear motion component, the lifter plate with
The linear bearing seat is fixedly connected, and the cylinder rod lower end of the electric cylinders is fixedly connected from top with the lifter plate, the fixture
Upper mould is fixedly connected with the lifter plate from below.
The cylinder rod lower end of the electric cylinders can be fixedly connected by electric cylinders connector with the lifter plate.
The beneficial effects of the utility model are：
The utility model uses electric pushrod, and upper clamping fixture optional position in whole stroke can be made accurately to stop
Only, the positional accuracy of upper clamping fixture had both been improved, the flexibility degree of the device is also improved.
The utility model uses floating sensing device structure, to control sealing gasket relative to the relative height differential H of lamp body, essence
On realize the control to sealing gasket decrement, and can be entered according to the sealing gasket setting height(from bottom) X values of the light fixture of different batches
Row is automatically adjusted, therefore the scope of application is wider, and flexibility degree is higher.
The utility model can be suitably used for the air-leakage test of the automobile lamp of different lamps moulding, can realize and light fixture is sealed
The control of decrement is padded, it is to avoid the erroneous judgement situation that traditional airtight machine easily occurs, so as on the whole improve car light production
Quality, flexibility and automaticity.
Brief description of the drawings
Fig. 1 is the structural representation of existing air tightness detection apparatus；
Fig. 2 is the structural representation of one embodiment of the present utility model；
Fig. 3 is the structural representation of one embodiment of car light fixture of the present utility model；
Fig. 4 is Fig. 3 B portions partial enlarged drawing；
Fig. 5 is Analysis of Working Principle schematic diagram one of the present utility model；
Fig. 6 is Analysis of Working Principle schematic diagram two of the present utility model.
Embodiment
The utility model discloses a kind of new air tightness detection apparatus, as shown in figures 2-6, including the folder being oppositely arranged up and down
Mould (being referred to as dynamic model) and the light fixture positioning mould 15 (being referred to as cover half) for being tested the positioning of light fixture 14, described on tool
Upper clamping fixture and the light fixture positioning mould constitute the major part of car light fixture.The upper clamping fixture is electronic with about one extension
Push rod is fixedly connected, and the upper clamping fixture can up and down reciprocatingly move linearly in the presence of the electric pushrod, the folder
The lower end of mould is provided with tight tank 13 on tool, and the open edge in bottom of the tight tank is arranged to the sealing gasket with the tested light fixture
22 edges for matching (matching for including shapes and sizes), make the open edge in bottom and the tested light fixture of the tight tank
Sealing gasket when fitting the lamp body of the tight tank and the tested light fixture can surround the space of a closing, the fixture
Upper mould is further fixed on contact tangent displacement sensor 17 directed downwardly.
After tested light fixture is correctly installed in the light fixture positioning mould, starts and pushed away under the electric pushrod, it is described electronic
Push rod drives the upper clamping fixture, hermetically sealed can to move down, when the sealing gasket of the tested light fixture by the hermetically sealed can is compressed to design
It is required that decrement when, i.e., when described tight tank reaches the normal work height of design, tangent displacement sensor hair
Go out signal, the electric pushrod stops, the closing space for then starting to be surrounded for the tight tank and tested light fixture is carried out
Inflation, pressurize experiment.After off-test, it is de- with the tested light fixture that electric pushrod drives the upper clamping fixture, hermetically sealed can to move up
Open.
The top of traditional airtight equipment is cylinder, middle traveling process it is difficult to ensure that optional position is accurately stopped, and
New air tightness detection apparatus of the present utility model uses electric pushrod, can make the upper clamping fixture any position in whole stroke
Accurate stopping is put, the positional accuracy of upper clamping fixture has both been improved, the flexibility degree of the device is also improved.
The upper clamping fixture is fixed on the bottom surface of fixture top plate 9, and the light fixture positioning mould is fixed on clamp bottom board 20
On top surface, it is provided with the fixture top plate on the one or more fixture upper limit bars 16 extended downwardly, the clamp bottom board
Be provided with the one or more fixture lower limit bars 19 upwardly extended, the fixture upper limit bar and the fixture lower limit bar into
To setting, two-by-two on straight line and free end is relative.When tested light fixture is installed, the paired fixture upper limit bar
Do not contacted with the fixture lower limit bar.The fixture upper limit bar and fixture lower limit bar are generally separately positioned on the fixture
Close to edge on top plate and clamp bottom board.
The setting of fixture upper limit bar and fixture the lower limit bar can prevent the upper clamping fixture from declining suddenly and damaging
The bad tested light fixture or the new air tightness detection apparatus are particularly car light holder part therein in itself, play protection and make
With.
In normal airtight detection process, do not contacted between fixture upper limit bar and fixture the lower limit bar, with not
The height of the tight tank is hindered to adjust.It is described that the tangent displacement sensor and the electric pushrod are engaged accurate control
The height of tight tank, is also equivalent to accurately control the design decrement of the sealing gasket of the tested light fixture.Doing so to protect
Even if the tested light fixture of card has a certain amount of deformation in whole measurement process, it will not also change a whole set of fixture and judge for air-tightness
Standard.
The free end of the fixture upper limit bar and/or the fixture lower limit bar is also provided with the regulation extended up and down
Bolt 18.Specific set-up mode is that the free end of the fixture upper limit bar and/or the fixture lower limit bar is provided with screwed hole,
The regulating bolt screws in the screwed hole, and by nut check in the corresponding fixture upper limit bar or fixture lower limit
On bar, the fixture upper limit bar or the height of fixture lower limit bar stretched out due to the regulating bolt where it can be in certain model
Enclose in interior adjustment, therefore normal airtight detection process, regulating bolt and the corresponding fixture on the fixture upper limit bar
Regulating bolt on gap length and the fixture lower limit bar and the corresponding fixture upper limit between lower limit bar
Gap length between bar can be adjusted according to actual needs, with the accessory size difference for the tested light fixture for adapting to different batches
Property.
In addition, when without airtight detection, the folder can also be made by adjusting the height of the regulating bolt
Have the regulating bolt on upper limit bar with the corresponding fixture lower limit bar to top, and make on the fixture lower limit bar
Regulating bolt, to top, makes matched moulds above and below the car light fixture with the corresponding fixture upper limit bar, stable state is formed, with side
The car light fixture is just moved away to the working region of the device, safety storage.It can be seen that, there is many fixture upper limit bars and fixture
During lower limit bar, the car light fixture can be adjusted to stable state.For the tested light fixture of different size model, Ke Yigeng
Change each supporting car light fixture.
Fixture guard sensor 12 can be fixed with least one described fixture upper limit bar.The fixture protection sensing
Device uses proximity transducer, and the fixture guard sensor is provided with following effect：1st, during airtight detection, if fixture protection is passed
Sensor no signal then can be determined that the upper clamping fixture is in quick condition (non-matched moulds state in other words), if there is signal suddenly,
Then illustrate that the device occurs in that abnormal decline, device alarm.When the 2nd, not doing airtight detection, if there is signal, judge to be in matched moulds
State, can remove equipment by the car light fixture, change other fixtures.
The bottom of the upper clamping fixture is tight tank installing plate 11, and the tight tank is fixed on the tight tank installing plate
On bottom surface.Tight tank and upper clamping fixture are being fixedly connected for rigid structural member, thus fixture top plate top surface to the bottom of tight tank
The total height Y in face is definite value.
The top of the tight tank is provided with relevant position on gas feed, the tight tank installing plate and is provided with inflation inlet.It is logical
Cross the opening and closing that inflation inlet described in Valve controlling is set.The side position of the tight tank can be fixed on the tight tank installing plate
One sensor stand 21 is installed, the tangent displacement sensor is fixedly connected on the sensor stand.Due to normal gas
In close detection process, car light fixture be in non-matched moulds state, the upper clamping fixture can automatic controlled height, even if therefore described
Tangent displacement sensor is remained from the sensor stand in detection process is relatively fixed that to remain able to satisfaction different
The detection of the tested light fixture of batch needs.
It can be referred to as the car from the part the clamp bottom board of the fixture top plate of top to lower section
Lamp fixture, as shown in Fig. 3,5.For the tested light fixture of different size, the different light fixture positioning mould and/or institute can be changed
Tight tank is stated, whole car light fixture can be changed in other words.
With reference to Fig. 5,6 explanation Cleaning Principles of the present utility model.Welding procedure is used between lamp body and lens, no
The margin of tolerance with batch light fixture welding capacity in permission irregularly changes.The change of above-mentioned variable quantity Yu remaining element size
Accumulation to have ultimately resulted in sealing gasket setting height(from bottom) X (i.e. distance of the sealing gasket mounting surface to the bottom surface of clamp bottom board) be not fixed
Value.In detection process, the height of upper clamping fixture is also change, i.e., the total height Z of described car light fixture is nor definite value.And
And, usual fixture total height Z changes with X change.However, because lamp body is single injection-molded, sealing gasket is relative
The height difference H of the lamp body outer surface contacted in the contact of the tangent displacement sensor on lamp body is definite value, institute during detection
Tangent displacement sensor and the tight tank DL synchronization are stated, as long as reaching exactly to lamp body sealing with the bottom surface of the tight tank
Reading during pad apical side height produced by the lamp body outer surface of the tested light fixture of tangent displacement sensor touching is to refer to zero
Point, the reading that the tight tank is directly equivalently reflected in the tangent displacement sensor to the decrement of the sealing gasket becomes
In change amount.
The utility model uses tangent displacement sensor, and the bottom surface of the tight tank reaches exactly to lamp body sealing in theory
The contact that the tangent displacement sensor stretches out during pad apical side height is just contacted with the lamp body outer surface of tested light fixture, and will
Reading now is as zero, with tight tank continuous decrease, and the contact that tangent displacement sensor stretches out is retracted, and treats the contact
The actual read number of formula displacement transducer reaches preset value, and the electric cylinders are automatically stopped at once, and now having corresponded to design will
The sealing gasket decrement asked.
The utility model uses above-mentioned floating sensing device structure, for controlling sealing gasket relative to the relative height differential of lamp body
H, can be automatically adjusted with this according to the X values of different batches.
The tangent displacement sensor precision is high, and stability is good.To seal mat thickness for exemplified by 5mm, decrement can be with
3 ± 0.1mm is arranged on, should correspondingly, during detection control the tangent displacement sensor and tested light fixture to contact and production of retracting
Raw reading is 3 ± 0.1mm.The utility model is using sealing gasket top after measurement compression to lamp body difference in height (H i.e. in figure)
Method, to reflect the degree of sealing gasket decrement, avoid the big defect of the difficulty of direct measurement sealing gasket.
The new air tightness detection apparatus can also include guidance panel 10 (or being referred to as distance setting device),
It is human-computer interaction device, is easy to operating personnel's arrange parameter, input instruction etc..The guidance panel may be mounted at the fixture
On upper mould.
The electric pushrod is preferred to use electric cylinders 1, and the cylinder barrel of electric cylinders is fixed on horizontally disposed frame top plate 2, described
The cylinder rod of electric cylinders is passed down through the frame top plate and is fixedly connected with the upper clamping fixture.
The new air tightness detection apparatus is also provided with horizontally disposed bottom of the frame deck plate 8 (as whole device
Basis) and level lifter plate 6, provided with downward on one or more between the frame top plate and the bottom of the frame deck plate
It is described with a linear bearing seat 5 is arranged with the support bar 3 (being referred to as line slideway) stretched, the every support bar
Linear bearing seat and the corresponding support bar formation linear motion component.The lifter plate is fixed with the linear bearing seat to be connected
Connect, the cylinder rod lower end of the electric cylinders is fixedly connected from top with the lifter plate, the upper clamping fixture from below with the lifting
Plate is fixedly connected, specifically, and the fixture top plate of the upper clamping fixture can be fixed on the bottom surface of the lifter plate.When electric cylinders cylinder
When the bar drive lifter plate, the upper clamping fixture and the tight tank are moved up and down, the linear bearing seat and corresponding institute
Stating support bar is used for motion guide.
The cylinder rod lower end of the electric cylinders can be fixedly connected by electric cylinders connector 4 with the lifter plate.
For the embodiment using electric cylinders, the course of work of the present utility model can be：
First, parts moving up and down are in the top of device, and the tangent displacement sensor is not read
Number.Start button is pressed, device enters automatic detection state.With the stretching of electric cylinders cylinder rod, lifter plate begins to decline and driven
The upper clamping fixture being attached thereto declines.In a certain height, the contact of tangent displacement sensor just touches tested light fixture table
Face, contact is retracted, and tangent displacement sensor starts to produce reading, is declined with the continuation of the upper clamping fixture, reading is lasting
Change to same direction, continue and count to up to preset value that (i.e. light fixture sealing gasket decrement reaches preset value, the value and H
Value is corresponded) after, tangent displacement sensor sends signal, and electric cylinders are automatically stopped, and the upper clamping fixture stops declining, and reaches
Default working condition, the device starts to inflate the seal cavity for being tested light fixture and record in real time air pressure and inflationtime.It is whole
Car light fixture described in individual process is in not matched moulds state.
When being automatically stopped inflation after detection air pressure as defined in reaching, all valves are closed and initially enter packing stage.If
Actual pressure drop value is less than theoretical voltage drop value at the appointed time, then confirms that tested light fixture is qualified and prints mark of conformity；If in rule
Interior actual pressure drop value of fixing time is higher than theoretical voltage drop value, i.e. atmospheric pressure lost amount and exceeds theoretical value, then sends unqualified alarm, and can
To record all working data by Quick Response Code.Test terminates, by all structural regression zero-bits.
The concepts such as herein referred upper and lower, top, bottom are to express the relative position relation of correlated parts, be not intended as
Restriction to its absolute position.
Claims (10)
1. a kind of new air tightness detection apparatus, it is characterised in that：The upper clamping fixture that is oppositely arranged including above and below and for being tested lamp
Has the light fixture positioning mould of positioning, the upper clamping fixture is fixedly connected with the electric pushrod of about one extension, the upper clamping fixture
Lower end is provided with tight tank, and the open edge in bottom of the tight tank is arranged to the side matched with the sealing gasket of the tested light fixture
Edge, the upper clamping fixture is further fixed on contact tangent displacement sensor directed downwardly.
2. new air tightness detection apparatus as claimed in claim 1, it is characterised in that：The upper clamping fixture is fixed on fixture top plate
Bottom surface on, the light fixture positioning mould is fixed on the top surface of clamp bottom board, is provided with what is extended downwardly on the fixture top plate
The one or more fixture lower limit bars upwardly extended are provided with one or more fixture upper limit bars, the clamp bottom board,
The fixture upper limit bar and the fixture lower limit bar are arranged in pairs, two-by-two on straight line and free end is relative.
3. new air tightness detection apparatus as claimed in claim 2, it is characterised in that：The fixture upper limit bar and/or described
The free end of fixture lower limit bar is additionally provided with the regulating bolt extended up and down.
4. new air tightness detection apparatus as claimed in claim 3, it is characterised in that：On at least one described fixture upper limit bar
It is fixed with fixture guard sensor.
5. new air tightness detection apparatus as claimed in claim 4, it is characterised in that：The bottom of the upper clamping fixture is tight tank
Installing plate, the tight tank is fixed on the bottom surface of the tight tank installing plate.
6. new air tightness detection apparatus as claimed in claim 5, it is characterised in that：The top of the tight tank is entered provided with gas
Mouthful, relevant position is provided with inflation inlet, the tight tank installing plate and is installed with sensor branch on the tight tank installing plate
Frame, the tangent displacement sensor is fixedly connected on the sensor stand.
7. new air tightness detection apparatus as claimed in claim 6, it is characterised in that：Also include guidance panel, the operating surface
Plate is arranged on the upper clamping fixture.
8. the new air tightness detection apparatus as described in claim 1,2,3,4,5,6 or 7, it is characterised in that：The electric pushrod
Using electric cylinders, the cylinder barrel of electric cylinders is fixed on horizontally disposed frame top plate, and the cylinder rod of the electric cylinders is passed down through the frame
Top plate is simultaneously fixedly connected with the upper clamping fixture.
9. new air tightness detection apparatus as claimed in claim 8, it is characterised in that：It is additionally provided with horizontally disposed bottom of the frame platform
Panel and lifter plate, provided with the support that one or more extends up and down between the frame top plate and the bottom of the frame deck plate
With linear bearing seat is arranged with bar, the support bar, the linear bearing seat and the corresponding support bar formation straight line are transported
Dynamic component, the lifter plate is fixedly connected with the linear bearing seat, and the cylinder rod lower ends of the electric cylinders is from top and the lifting
Plate is fixedly connected, and the upper clamping fixture is fixedly connected with the lifter plate from below.
10. new air tightness detection apparatus as claimed in claim 9, it is characterised in that：The cylinder rod lower end of the electric cylinders passes through electricity
Cylinder connector is fixedly connected with the lifter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720037787.8U CN206378255U (en) | 2017-01-13 | 2017-01-13 | New air tightness detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720037787.8U CN206378255U (en) | 2017-01-13 | 2017-01-13 | New air tightness detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206378255U true CN206378255U (en) | 2017-08-04 |
Family
ID=59403674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720037787.8U Active CN206378255U (en) | 2017-01-13 | 2017-01-13 | New air tightness detection apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN206378255U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168797A (en) * | 2017-12-22 | 2018-06-15 | 芜湖全程智能科技有限公司 | The actuator pressing device of electronic parking actuator sealing performance test equipment |
| CN108956027A (en) * | 2018-09-29 | 2018-12-07 | 浙江金业汽车部件有限公司 | A kind of the airtight of car light lights detection device |
| CN108971024A (en) * | 2018-08-31 | 2018-12-11 | 东莞理工学院 | A kind of air-leakage test equipment |
| CN111837022A (en) * | 2018-03-20 | 2020-10-27 | Lg电子株式会社 | Waterproof inspection device |
-
2017
- 2017-01-13 CN CN201720037787.8U patent/CN206378255U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168797A (en) * | 2017-12-22 | 2018-06-15 | 芜湖全程智能科技有限公司 | The actuator pressing device of electronic parking actuator sealing performance test equipment |
| CN111837022A (en) * | 2018-03-20 | 2020-10-27 | Lg电子株式会社 | Waterproof inspection device |
| US11585720B2 (en) | 2018-03-20 | 2023-02-21 | Lg Electronics Inc. | Device for inspecting waterproofness |
| CN111837022B (en) * | 2018-03-20 | 2023-03-10 | Lg电子株式会社 | Waterproof inspection device |
| CN108971024A (en) * | 2018-08-31 | 2018-12-11 | 东莞理工学院 | A kind of air-leakage test equipment |
| CN108971024B (en) * | 2018-08-31 | 2020-01-07 | 东莞理工学院 | Equipment for air tightness detection |
| CN108956027A (en) * | 2018-09-29 | 2018-12-07 | 浙江金业汽车部件有限公司 | A kind of the airtight of car light lights detection device |
| CN108956027B (en) * | 2018-09-29 | 2020-03-31 | 浙江金业汽车部件有限公司 | Airtight lighting detection equipment for car lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201821 Yecheng Road, Jiading District, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |
|
| CP03 | Change of name, title or address |