CN106768657A - A kind of air-tightness detection tool - Google Patents
A kind of air-tightness detection tool Download PDFInfo
- Publication number
- CN106768657A CN106768657A CN201710042899.7A CN201710042899A CN106768657A CN 106768657 A CN106768657 A CN 106768657A CN 201710042899 A CN201710042899 A CN 201710042899A CN 106768657 A CN106768657 A CN 106768657A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- air
- detection tool
- tightness detection
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 80
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 239000007787 solid Substances 0.000 claims 1
- 230000001788 irregular Effects 0.000 abstract description 2
- 238000000105 evaporative light scattering detection Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 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 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention discloses a kind of air-tightness detection tool, the fixation problem for solving housing to be detected.The air-tightness detection tool includes substrate;Base, the base is positioned over the substrate;Pressing plate, the pressing plate is arranged at the surface, and pressure head described in pressure head is provided with the pressing plate for abutting housing to be detected;Power source, the power source connects the pressing plate so that the pressing plate can be moved up and down.Air-tightness detection tool of the invention can be used for the airtight test of housing to be detected in irregular shape, can be used for mass detection.
Description
Technical field
The present invention relates to air-leakage test field, and in particular to a kind of air-tightness detection tool.
Background technology
Communication Equipment includes wired communication apparatus and wireless telecommunications system, and wire communication equipment mainly includes solving industry now
The serial communication of field, the professional communication of bus-type, the conversion equipment between the communication of EPA and various communications protocol,
Wireless telecommunications system is mainly the equipment such as wireless aps, wireless bridge, wireless network card, wireless lightning arrester, antenna.
The housing of Communication Equipment is needed to carry out air-leakage test, and this air-tightness is carried out by way of vacuumizing,
All frock without air-leakage test on vaccum-pumping equipment.
The content of the invention
In view of this, the orientation problem of air-leakage test, this hair are carried out in order to solve Communication Equipment housing in the prior art
It is bright that a kind of air-tightness detection tool is provided.
It is below present disclosure:
The present invention provides a kind of air-tightness detection tool, including:
Substrate;
Base, the base is arranged at the substrate;
Pressing plate, the pressing plate is arranged at the surface, and pressure head is provided with the pressing plate, and the pressure head is used to abut
With fixation housing to be detected;
Power source, the power source connects the pressing plate so that the pressing plate can be moved up and down.Housing to be detected is placed
On base, base is placed on substrate, and be pressed in the housing that band is detected on base by the pressure head of pressing plate so that housing to be detected is tight
Close to be fitted on base, now, if housing air-tightness to be detected is good, after it is vacuumized, vacuum keeps good, if to be checked
The housing air-tightness of survey is bad, and after it is vacuumized, vacuum cannot keep.The air-tightness detection tool can consolidate housing to be detected
Fixed and reason base seals the opening of housing so that the inner chamber of housing is disconnected with the external world, to be easy to vacuumize and examined
Survey.
Further, the power source is linear electric motors or cylinder.The power source can cause that pressing plate is moved up and down, one
On the other hand aspect, applicable various sizes of housing to be detected, can be compressed with seamless paste the housing to be detected below pressure head
Close on base so that housing formation to be detected and extraneous disconnected inner chamber, be easy to vacuumize detection.What the power source was provided
The power of upper and lower movement, the power source can be straight line connection or cylinder, and linear electric motors or cylinder can be between pressing plates
Connection.
Further, the quantity of the linear electric motors or cylinder is multiple.Each pressing plate two ends can be respectively provided with one and move
Power source, such as linear electric motors or cylinder, the movement of each pressing plate can be independent, when housing to be detected has in short transverse
During different size, pressure head can be at different height and be unlikely to damage housing to be detected by pressure again to compress housing to be detected.
Further, it is provided with roller conveying device on the substrate.Can be delivered to for base by the roller conveying device
The pressure head lower section of pressing plate, is easy to the detection air-tightness of factory mass to use.
Further, the quantity of the pressing plate is multiple.On the one hand, multiple pressing plates are have multiple pressure heads, each pressure head pressure
In the different position of housing to be detected, it is ensured that bag detection housing is closely pressed together on base.
Further, multiple pressure heads are provided with the pressing plate.Multiple pressure heads are set on each pressing plate, it is ensured that pressure
Close more compact, press more difficult gas leakage.
Further, the pressure head is detachably secured to the pressing plate.This dismountable connection, conveniently replaced pressure
Head, for example, this dismountable connection can be threaded connection, clamping etc..
Further, multiple screwed holes are provided with the pressing plate, the pressure head is threadedly coupled with the pressing plate.
Further, the output shaft of the power source is threadedly coupled with the pressing plate.So it is easily installed and changes pressing plate.
Further, the base is provided with handle.The handle causes that base is placed and withdrawal is more easy, there is provided work
The efficiency of work.
Compared with prior art, beneficial effect of the invention is:Pressing plate can be to be checked in the presence of power source
Survey and moved up and down above housing, so that the pressure head on pressing plate compresses or unclamp housing to be detected, the opening of housing to be detected
Sealed up by base, its inner chamber forms a seal cavity, can carry out vacuumizing detection.Such air-tightness detection tool can be conveniently
Housing to be detected in irregular shape, such as oil sump are pressed together on base, equipment to be vacuumized carries out air-leakage test, solved
Determine such as the fixation problem of oil sump shells air-leakage test.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below by to be used needed for implementation method
Accompanying drawing is briefly described, it will be appreciated that the following drawings illustrate only some implementation methods of the invention or embodiment, therefore not
The restriction to scope is should be considered as, for those of ordinary skill in the art, on the premise of not paying creative work,
Other related accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows a kind of dimensional structure diagram of air-tightness detection tool.
Fig. 2 shows a kind of side structure schematic view of the first implementation method of air-tightness detection tool.
Fig. 3 shows another side structure schematic view of the first implementation method of air-tightness detection tool.
Fig. 4 shows another side structure schematic view of second embodiment party's mode of air-tightness detection tool.
Main Reference label declaration:
100- air-tightness detection tools;
101- substrates;
102- bases;1021- handles;
104- pressing plates;1041- pressure heads;
105- power sources;
106- roller conveying devices;
200- housings to be detected.
Specific embodiment
For the ease of understanding the present invention, air-tightness detection tool is more fully retouched below with reference to relevant drawings
State.Accompanying drawing gives the embodiment of air-tightness detection tool, but, air-tightness detection tool can come real in different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to air-tightness detection tool
Disclosure more it is thorough comprehensively.
In the description of the invention, it is to be understood that term " on ", D score, " left side " " right side ", "front", "rear", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom ", " interior ", " outward " are based on orientation shown in the drawings or position
Relation is put, the description present invention is for only for ease of and is simplified description, it is necessary rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or feature that the embodiment or example are described
It is contained at least one embodiment of the invention or example.In this manual, the schematic representation to above-mentioned term differs
Surely identical embodiment or example are referred to.And, the specific features of description, structure, material or feature can be any
Combined in an appropriate manner in one or more embodiments or example.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the description of the invention, unless otherwise prescribed with limit, it is necessary to explanation, term " installation ", " connected ",
" connection ", " connection ", " connection " should be interpreted broadly, for example, it may be mechanical attachment or electrical connection, or two elements
Internal connection, can be joined directly together, it is also possible to be indirectly connected to by intermediary, for one of ordinary skill in the art
For, can as the case may be understand the concrete meaning of above-mentioned term.
As shown in Figure 1, Figure 2, Figure 3 shows, air-tightness detection tool of the invention 100, including:Substrate 101;
Base 102, the base 102 is positioned over the substrate 101;
Pressing plate 104, the pressing plate 104 is arranged at the top of the substrate 101, and pressure head 1041 is provided with the pressing plate 104,
The pressure head 1041 is used to abut housing to be detected 200;
Power source 105, the power source 105 connects the pressing plate 104 so that the pressing plate 104 can be moved up and down.
Wherein, housing to be detected is placed on base 102, and base 102 is placed on the substrate 101, the pressure head of pressing plate 104
1041 are pressed on base 102 housing that band is detected so that housing to be detected 200 is fitted tightly on base 102, now, if
Housing air-tightness to be detected is good, and after it is vacuumized, vacuum keeps good, if housing air-tightness to be detected is bad, its
After vacuumizing, vacuum cannot keep.The air-tightness detection tool 100 can fix housing to be detected 200 and reason base 102
The opening of housing is sealed so that the inner chamber of housing is disconnected with the external world, to be easy to vacuumize and detected.
Aforesaid substrate 101 is the base plate of the air-tightness detection tool 100, be for pedestal for placed 102, set limited block with
And the substrate 101 of fixed power source 105.The substrate 101 fixes different, and it can be any shape, however it is not limited to scheme
The shape shown.The settable multiple baffle plate of the substrate 101, the baffle plate is used to form station to be detected, while can pedestal for placed 102
Etc. falling to the ground.It is understood that can set limited block on substrate 101, limited block is used for firm banking 102, the limit
Position block can be fixed on the substrate 101, and this fixation can be fixed by fastener, such as be fixed by screw or rivet,
Can also be fixed by way of welding, the limited block can also be integrally formed with substrate 101.
Above-mentioned base 102 is the pedestal for sealing housing 200 to be detected, and the base 102 can be a sheet material shape steel plate, the bottom
Seat 102 is placed on the substrate 101, and it can be fixed with base 102, it is also possible to be only that laminating is placed on the substrate 101.When the bottom
102 pressings of seat on the substrate 101 when, the opening portion of the face-piece sealing housing 200 to be detected that its is non-to contact with substrate 101, this
Planting sealing needs by pressing, that is, to need to be pressed together on housing to be detected 200 on base 102.
Above-mentioned pressing plate 104 is the component for being pressed together on housing to be detected 200 on base 102, and the pressing plate 104 is arranged on
The top of base 102, it is connected with power source 105, can be moved up and down in the presence of power source 105, so as to by housing to be detected
200 are pressed together on base 102.The pressing plate 104 is provided with pressure head 1041, and pressure head 1041 is directly contacted with housing to be detected 200, should
Pressure head 1041 can be made up of elastic preferably material, and the pressure head 1041 has preferably flexibility, and it is pressed together on housing to be detected 200
When upper, the surface of housing to be detected 200 will not be damaged.The pressure head 1041 of the preferred Cowhells material of the pressure head 1041.
Above-mentioned power source 105 is the component for providing power to pressing plate 104, and the power source 105 can be linear electric motors
Or cylinder, the power source 105 may be such that pressing plate 104 can be moved up and down on housing to be detected 200, to compress, to unclamp
Housing to be detected 200.
Embodiment 1
In the present embodiment, detailed illustration will be carried out to power source 105.
As shown in Figure 1, Figure 2, Figure 3 shows, the power source 105 of gas seal member detecting tool of the invention, for being provided to pressing plate 104
Power so that the motion that pressing plate 104 can be reciprocal in the vertical plane above frock to be detected is to press or unclamping shell to be detected
Body 200.
Specifically, the power source 105 can be linear electric motors, and the linear electric motors are also referred to as linear electric machine, and it is a kind of by electricity
Linear motion mechanical energy can be directly changed into, without all power set of any intermediate conversion mechanism.Linear electric motors are divided into
Cylindrical form, U-type groove formula, flat, the linear electric motors in the present invention belong to prior art, its simple structure, it is not necessary to pass through
Intermediate conversion mechanism and directly produce linear motion, greatly simplify structure, movement inertia is reduced, dynamic response performance and positioning
Precision is greatly improved;Reliability is also improved simultaneously, cost has been saved, is made manufacture and is safeguarded easier.
Specifically, the power source 105 can be cylinder, and the cylinder falls within prior art, wherein, cylinder is by compressed gas
The pressure energy of body is converted to the pneumatic apparatus of mechanical energy.Cylinder has doing linear reciprocating motion and does the species of reciprocally swinging two
Type, the cylinder for doing linear reciprocating motion can be divided into single-acting cylinder, double-acting cylinder, diaphragm type cylinder and blow cylinder again.Gas
Cylinder is made up of cylinder barrel, end cap, piston, piston rod and seal etc..
In the present invention, it is preferred to power source 105 is cylinder.
It should be noted that above-mentioned power source 105 is directly connected to pressing plate 104, pressing plate 104 is defeated with linear electric motors
The piston rod connection of shaft or cylinder, this connection can be connected through a screw thread.
Specifically, the output shaft (piston rod) of linear electric motors or cylinder is provided with screw thread, and the two ends of each pressing plate 104 are set
The output shaft (piston rod) of screwed hole or through hole, linear electric motors or cylinder is directly threadedly coupled with pressing plate 104, or by spiral shell
Mother is connected with pressing plate 104.
In the setting of above-mentioned power source 105, multiple power sources 105 can be set, for example, at the two ends of each pressing plate 104
Two power sources 105 (linear electric motors or cylinder), the i.e. settable multiple power source 105 of multiple pressing plates 104, so as to pressing plate are set
It is more tight during 104 pressing housing 200 to be detected.
Embodiment 2
In the present embodiment, detailed illustration will be carried out to pressing plate 104 and pressure head 1041.
As shown in Figure 1, Figure 2, Figure 3 shows, pressing plate 104 is connected with power source 105, and pressing plate 104 can on housing to be detected 200
Straight reciprocating motion is done, pressing plate 104 sets pressure head 1041, and pressure head 1041 is used to directly be contacted with housing to be detected 200 to incite somebody to action
Housing to be detected 200 is compressed and is fitted on base 102.
Specifically, pressing plate 104 can be strip boards, its two ends component connection power source 105, and pressure head is provided with the middle of it
1041, the pressure head 1041 is fixed on pressing plate 104, and the pressure head 1041 can be moved back and forth under the drive of pressing plate 104.Pressure head 1041
The mode being fixed on pressing plate 104 can be non-removable fixation, for example, pressure head 1041 is welded on pressing plate 104, also may be used
Rivet or be bonded on pressing plate 104 with by pressure head 1041.The mode that pressure head 1041 is fixed on pressing plate 104 can also be detachable
Fixation.For example, pressure head 1041 can be threadedly coupled, be connected in pressing plate 104.
Above-mentioned pressure head 1041 is the component for directly compressing housing to be detected 200, therefore, the pressure head 1041 can be a kind of soft
Property pressure head 1041, it is acted on when on housing to be detected 200, and its own occurs larger deformation to be fitted in housing to be detected
On 200.The pressure head 1041 can be plastics pressure head 1041, Cowhells pressure head 1041 etc..
It is preferred that Cowhells pressure head 1041 is used as pressure head of the invention 1041.Now Cowhells pressure head 1041 can be connected through a screw thread
In pressing plate 104.Cowhells pressure head 1041 is rich in tenacity, extremely durable.
It should be noted that in order to mobile pressure head 1041 is to change its relative position with pressing plate 104, can be in pressing plate
Multiple connecting holes are set on 104, and these connecting holes can be screwed hole or through hole, and pressure head 1041 is provided with connection end, connection end
The end of thread is may be configured as, so, the pressure head 1041 can be threadingly attached to pressing plate 104.
In order to ensure that housing to be detected 200 is pressed on base 102, to cause the opening of housing to be detected 200 bottom of by
Seat 102 is sealed, and can set multiple pressure heads 1041, and multiple pressure heads 1041 can ensure that housing to be detected 200 is fitted in base 102
On.
Above-mentioned pressing plate 104 can be made using steel plate.
Embodiment 3
In the present embodiment, detailed illustration will be carried out to base 102, substrate 101.
It is as shown in Figure 1, base 102 be for closing housing to be detected 200, the one side of the base 102 with it is to be detected
Housing 200 is contacted, and another side is contacted with substrate 101.The base 102 requires table high with the one side that housing to be detected 200 is contacted
Face quality.The base 102 can be made using stainless steel plate.
It should be noted that the convenience in order to pick and place base 102, can set handle 1021, the handle on base 102
1021 are connected with base 102, and handle 1021 can be maintained static with respect thereto 102, can also be articulated with base 102.
As shown in figure 4, substrate 101 is provided with roller conveying device 106, the roller conveying device 106 can be drive
Device, or the not device of drive.When 106 not drive of roller conveying device, the roller conveying device 106 is wrapped
Roller and connecting shaft are included, wherein, connecting shaft is fixed on substantially, and roller coordinates with shaft clearance is connected, and roller can be around connection
Axle is rotated, so when base 102 can be slided more easily on roller.When device of the roller conveying device 106 for drive,
The roller conveying device 106 includes roller and the roller connecting shaft for connecting and the motor for driving the connecting shaft.Roller is in electricity
Can be driven under the driving of machine, multiple rollers discharge to set successively can be ensured by the position of the lower section of conveyer belt pressing plate 104, this
When, limited block is abutted with base 102 so that base 102 can not again way roller conveying device 106 conveying direction movement.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of air-tightness detection tool, it is characterised in that including:
Substrate;
Base, the base is arranged at the substrate;
Pressing plate, the pressing plate is arranged at the surface, and pressure head is provided with the pressing plate, and the pressure head is used to abut with solid
Fixed housing to be detected;
Power source, the power source connects the pressing plate so that the pressing plate can be moved up and down.
2. air-tightness detection tool as claimed in claim 1, it is characterised in that the power source is linear electric motors or cylinder.
3. air-tightness detection tool as claimed in claim 2, it is characterised in that the quantity of the linear electric motors or cylinder is many
It is individual.
4. air-tightness detection tool as claimed in claim 1, it is characterised in that roller conveying dress is provided with the substrate
Put.
5. air-tightness detection tool as claimed in claim 1, it is characterised in that the quantity of the pressing plate is multiple.
6. air-tightness detection tool as claimed in claim 5, it is characterised in that multiple pressure heads are provided with the pressing plate.
7. air-tightness detection tool as claimed in claim 6, it is characterised in that the pressure head is detachably secured to the pressure
Plate.
8. air-tightness detection tool as claimed in claim 7, it is characterised in that multiple screwed holes are provided with the pressing plate,
The pressure head is threadedly coupled with the pressing plate.
9. air-tightness detection tool as claimed in claim 1, it is characterised in that the output shaft of the power source and the pressing plate
Threaded connection.
10. air-tightness detection tool as claimed in claim 1, it is characterised in that the base is provided with handle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710042899.7A CN106768657A (en) | 2017-01-20 | 2017-01-20 | A kind of air-tightness detection tool |
Applications Claiming Priority (1)
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CN201710042899.7A CN106768657A (en) | 2017-01-20 | 2017-01-20 | A kind of air-tightness detection tool |
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Publication Number | Publication Date |
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CN106768657A true CN106768657A (en) | 2017-05-31 |
Family
ID=58944958
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CN201710042899.7A Pending CN106768657A (en) | 2017-01-20 | 2017-01-20 | A kind of air-tightness detection tool |
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Citations (9)
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---|---|---|---|---|
CN202177493U (en) * | 2011-07-19 | 2012-03-28 | 浙江吉利汽车研究院有限公司 | Oil sump housing sealing detection apparatus |
CN104596710A (en) * | 2014-12-29 | 2015-05-06 | 宁波华瓷通信技术有限公司 | Gas tightness test equipment |
CN204649357U (en) * | 2015-04-30 | 2015-09-16 | 东莞市建升压铸科技有限公司 | Airtight test device |
CN204711888U (en) * | 2015-06-12 | 2015-10-21 | 苏州业天精密五金制品有限公司 | Housing clamp for detecting air tightness |
US20160223425A1 (en) * | 2015-02-03 | 2016-08-04 | Citic Dicastal Co., Ltd | Air tightness detection device for aluminum alloy wheel hub and method for detecting air tightness of wheel hub |
CN205483424U (en) * | 2015-12-30 | 2016-08-17 | 重庆顺多利机车有限责任公司 | Intercooler casing gas tightness detection device |
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 |
CN205785685U (en) * | 2016-06-22 | 2016-12-07 | 山东裕隆金和精密机械有限公司 | Main casing air-tightness detection device |
CN206430863U (en) * | 2017-01-20 | 2017-08-22 | 苏州金澄精密铸造有限公司 | A kind of air-tightness detection tool |
-
2017
- 2017-01-20 CN CN201710042899.7A patent/CN106768657A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202177493U (en) * | 2011-07-19 | 2012-03-28 | 浙江吉利汽车研究院有限公司 | Oil sump housing sealing detection apparatus |
CN104596710A (en) * | 2014-12-29 | 2015-05-06 | 宁波华瓷通信技术有限公司 | Gas tightness test equipment |
US20160223425A1 (en) * | 2015-02-03 | 2016-08-04 | Citic Dicastal Co., Ltd | Air tightness detection device for aluminum alloy wheel hub and method for detecting air tightness of wheel hub |
CN204649357U (en) * | 2015-04-30 | 2015-09-16 | 东莞市建升压铸科技有限公司 | Airtight test device |
CN204711888U (en) * | 2015-06-12 | 2015-10-21 | 苏州业天精密五金制品有限公司 | Housing clamp for detecting air tightness |
CN205483424U (en) * | 2015-12-30 | 2016-08-17 | 重庆顺多利机车有限责任公司 | Intercooler casing gas tightness detection device |
CN205785685U (en) * | 2016-06-22 | 2016-12-07 | 山东裕隆金和精密机械有限公司 | Main casing air-tightness detection device |
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 |
CN206430863U (en) * | 2017-01-20 | 2017-08-22 | 苏州金澄精密铸造有限公司 | A kind of air-tightness detection tool |
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Application publication date: 20170531 |