CN106595989A - Air tightness detecting tool - Google Patents
Air tightness detecting tool Download PDFInfo
- Publication number
- CN106595989A CN106595989A CN201611238296.6A CN201611238296A CN106595989A CN 106595989 A CN106595989 A CN 106595989A CN 201611238296 A CN201611238296 A CN 201611238296A CN 106595989 A CN106595989 A CN 106595989A
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- Prior art keywords
- sealing
- servo
- actuated
- die cavity
- air
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- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to an air tightness detection tool which comprises a bottom plate, a carrier which is slidingly arranged on the bottom plate, and a driving device capable of driving the carrier to move. The upper part of the bottom plate is equipped with a pressing down mechanism. The carrier is equipped with a lower sealing cavity which comprises a sealing component. The sealing component is equipped with a product and a side face follow-up mechanism capable of sealing the right side face of the product. The pressing down plate bottom of the pressing down mechanism is equipped with a sealing ceiling. The bottom of the sealing ceiling is provided with an upper sealing cavity capable of sealing the lower sealing cavity. A sealing piece capable of sealing the product is arranged at the upper sealing cavity at the bottom of the sealing ceiling. An upward follow-up mechanism which is matched with the side face follow-up mechanism and pushes the side face follow-up mechanism to move is arranged at the upper sealing cavity at the bottom of the sealing ceiling. The air tightness detection tool is suitable for a waterproof detection tool of a watch, a bracelet, a camera and the like and is better than manual detection work, and the productivity is effectively improved.
Description
Technical field：
The present invention relates to air tightness detection equipment field, more particularly to a kind of air-leakage test of product waterproof
Tool.
Background technology：
To wrist-watch, bracelet, shooting first-class product, it is certain that there is product special application to require that product needed has
Air-tightness, it is airtight not reach when requiring, it is easy to produce security incident, generally require carries out gas leakage detection to product, commonly
The bubble-tight method one kind of detection be to add liquid in the product, see whether to have liquid leakage, this is needed toward in product
Portion's water filling, but the unsuitable water filling of the interiors of products having, so being not suitable for；Another kind of method is that gas is injected in product, is placed on water
In see whether gas leakage, this method is using extensive, but this method needs operator to have been manually done, using very inconvenient,
The requirement of automatization is not reached.
In prior art, typically product relevant portion is sealed using detection means, by being filled with to sealing intracavity
Malleation or negative-pressure gas are detecting products air tightness.However, existing air-tightness detection device is in order to ensure sealing effectiveness, generally
All inconvenient product is picked and placeed.
Patent such as Application No. 201310555146.8 discloses a kind of air-tightness detection device, its, the detection means
Including control board, and the positioning carrier being installed on control board, exterior seal assembly, pushing component and interior sealing component,
Sealing ring inflation using interior sealing component and in exterior seal assembly forms citadel to sealing inside and outside product simultaneously
Domain, by detecting vacuum with to closed area evacuation and using air gauge, realizes the detection to products air tightness, and leads to
Each sealing ring aerofluxuss are crossed with collapsed seal circle, facilitates product to pick and place the air-tightness that above-mentioned patent is only applicable to mesh shell product
Detection, its use range is limited.
Patent such as Application No. 201510165812.6 discloses a kind of cylinder cap air-leakage detector, for cylinder cap gas
Road, water channel air-leakage test, the operating room left and right sides of the air-leakage detector is arranged symmetrically, and operating room includes：Positioner,
Main hold down gag, side compression device, rear hold down gag, side compression device is made up of hold down gag under hold down gag, side on side, is led to
Cross the venthole on each branch road in air flue in cylinder cap and water channel is blocked to each device, then add to air flue water channel from air inlet
The gas of certain air pressure carries out pressurize process, and the air-tightness for finally detecting the atmospheric pressure value after pressurize in air flue water channel to judge cylinder cap is closed
Whether is lattice.Above-mentioned patent is also that a kind of this product is detected for cylinder cap, and apparatus structure is complicated, and product picks and places also not side
Just.
The content of the invention：
The purpose of the present invention is for the deficiencies in the prior art part, there is provided a kind of air-leakage test tool, and product is entered
The detection of row waterproof, to product sealing test is fixed.Any products size can be designed, its simple to operate, time is short,
Low manufacture cost, product is picked and placeed conveniently.
The technology solution of the present invention is as follows：
A kind of air-leakage test tool, including base plate and being slidably installed in the carrier on base plate top and can drive carrier to transport
Dynamic driving means, the base plate top is equiped with press mechanism, and lower sealing die cavity is equiped with the carrier；The lower sealing
Die cavity includes sealing parts, seal be equiped with parts product and the side that the right flank of product can be sealed with
Motivation structure, and lateral follower mechanism slips be installed in sealing parts in；The lower platen bottom of the press mechanism is equiped with close
Envelope sky plate；The bottom of the sealing sky plate is equiped with the upper sealing die cavity that can be sealed lower sealing die cavity, the sealing
The bottom of sky plate and it is equiped with the sealing member that product can be sealed, the sealing sky plate at upper sealing cavity positions
Bottom and positioned at it is upper sealing cavity positions at be equiped with lateral follower mechanism match merges promote lateral follower mechanism kinematic
Upper follower.
Preferably, the base plate top left and right sides is respectively fixed with one group of slide rail, coordinates on every group of slide rail and be provided with
Slide block, the carrier is installed on slide block.
Preferably, the driving means include being installed in motor fixing plate and leading screw fixed seat, the installing of bottom base plate
Motor on motor fixing plate, the drivewheel being installed on motor main shaft, the silk being installed in leading screw fixed seat
Bar and installing and the driven pulley of screw mandrel end, are connected between the drivewheel and driven pulley by belt, are coordinated on the screw mandrel
Feed screw nut is installed, carrier contiguous block is installed on the feed screw nut, and carrier contiguous block is passed through from base plate, carrier connection
The upper end of block is fixed on the bottom of carrier.
Preferably, the press mechanism include by support column be arranged on base plate above air cylinder fixed plate, be installed in
Lower air cylinder in air cylinder fixed plate and be installed in lower air cylinder piston-rod lower end lower platen, the lower platen consolidates with cylinder
It is equiped between fixed board and pushes guiding mechanism.
Preferably, the guiding mechanism that pushes includes the guide pillar being installed on lower platen and is installed in air cylinder fixed plate
The guide pin bushing being engaged with guide pillar, the guide pillar from guide pin bushing pass through and guide pillar upper end higher than air cylinder fixed plate upper surface.
Preferably, the lower sealing die cavity is identical with the structure of upper sealing die cavity, and lower sealing die cavity is provided with positioning
Hole, the bottom of upper sealing die cavity and with location hole opposite position at be provided with locating dowel, locating dowel is inserted in location hole.
Preferably, the lateral follower mechanism include be arranged on sealing parts in servo-actuated slide rail, be installed in it is servo-actuated
On slide rail with movable slider and being installed in the servo-actuated contiguous block on movable slider, the upper surface for being servo-actuated contiguous block is higher than lower closed type
The upper surface in chamber；The servo-actuated contiguous block is provided with a horizontal groove, is equiped with supporting roller in horizontal groove, and supporting roller is upper
Upper surface of the end face higher than servo-actuated contiguous block；The right-hand member of the servo-actuated contiguous block is equiped with side sealing block, side sealing block upper surface
With the upper surface flush of servo-actuated contiguous block.
Preferably, the ladder block structure of integral type that the upper follower is made up of connecting portion and servo-actuated portion, even
The thickness of socket part is less than the thickness in servo-actuated portion, and connecting portion is fixed on the bottom of sealing sky plate, is servo-actuated portion for wedge shape block structure, wedge shape
Inclined-plane on block can contact mutually circumscribed with supporting roller, the lower surface of the lower surface of the wedge less than upper sealing die cavity.
Preferably, the sealing member includes the sealed base of the bottom for being fixedly mounted on sealing sky plate and installed in sealing
Base bottom and the sealed groove corresponding with the top profile of product, the sealed base is located at upper closed type intracavity, sealing
The upper part of groove is located at upper closed type intracavity, and the lower surface of sealed groove is less than the upper lower surface for sealing die cavity.
The beneficial effects of the present invention is：
At the product space that the present invention is placed on product in sealing parts, then driving means operation, transports carrier
Move the underface of press mechanism；Then lower air cylinder drives lower platen motion, lower platen band dynamic sealing sky plate and upper closed type
Chamber is moved together, in the location hole on the lower sealing die cavity of locating dowel insertion of sealing cavity bottom upper first, by lower sealing die cavity
Positioned with upper sealing die cavity；Then go up servo-actuated in the contact of incline plane lateral follower mechanism on the wedge of follower
Wheel, inclined-plane drives supporting roller motion when so pushing, so as to drive servo-actuated contiguous block and side sealing block to move to right, to product left surface
Sealed, while sealing member is moved down sealing to product top, realization is fully sealed to interiors of products, now upper and lower close
Envelope die cavity is also pressed together, and makes in space of the whole product in sealing, to fix product orientation sealing.If detection is completed
Afterwards, lower air cylinder reset, disengagement of seal member product top, at the same the inclined-plane on the wedge of upper follower also depart from side with
Supporting roller on motivation structure, the side of product is loosened, and is promoted lateral follower mechanism to be just in product manually and is not stressed
State, then take out product, such product is picked and placeed and is also convenient for.
The present invention is capable of achieving to carrying out setting value detection below product different water depth such as surface waterproofing, diving how much rice.Behaviour
Make mode：First sealed product, then after being inflated to product, pressurize is carried out, external connection reference leakage device switch judges air leakage.
The simple to operate, time of the invention is short, low manufacture cost, and setting detection can be carried out to any waterproof parameter, saves people
Man-hour imitates.As long as set in production line is realized parametric job can volume production operation, considerably beyond manual detection operation, effectively
Improve productivity ratio.First-class waterproof detection tool is imaged suitable for such as wrist-watch bracelet, sealing test is fixed to product, can be right
Any products size is designed.
Description of the drawings：
Below in conjunction with the accompanying drawings the present invention is described further：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the left view of Fig. 1；
Fig. 5 is the structural representation of the press mechanism of the present invention；
Fig. 6 is the structural representation of the upper sealing die cavity, sealing member and upper follower of the present invention；
Fig. 7 is the structural representation of inventive drive means；
Fig. 8 is the structural representation of inventive drive means, carrier and lower sealing die cavity；
Fig. 9 is the front view of Fig. 8.
Symbol description in figure：I-driving means；II-press mechanism；III-lateral follower mechanism；1-base plate；2-carry
Tool；3-slide rail；4-slide block；5-motor fixing plate；6-leading screw fixed seat；7-motor；8-drivewheel；9-screw mandrel；
10-driven pulley；11-feed screw nut；12-carrier contiguous block；13-sensing chip；14-mounting bar；15-photoelectric sensor；
16-support column；17-air cylinder fixed plate；18-lower air cylinder；19-lower platen；20-guide pillar；21-guide pin bushing；22-under it is close
Envelope die cavity；2201-location hole；23-sealing parts；24-sealing sky plate；25-above seal die cavity；2501-locating dowel；
26-sealing member；2601-sealed base；2602-sealed groove；27-upper follower；2701-connecting portion；2702-with
Dynamic portion；2703-inclined-plane；28-servo-actuated contiguous block；2801-horizontal groove；29-supporting roller；30-side sealing block；31-produce
Product.
Specific embodiment：
Embodiment, is shown in accompanying drawing 1～9, a kind of air-leakage test tool, including base plate 1 and is slidably installed in base plate top
Carrier 2 and the driving means I that carrier can be driven to move, in the present embodiment, base plate is slab construction, the base plate top left side,
Right both sides are respectively fixed with one group of slide rail 3, coordinate on every group of slide rail and are provided with slide block 4, and the carrier is installed on slide block, carrier
Can move along slide rail in the presence of driving means.
See accompanying drawing 7～9, the driving means include being installed in bottom base plate motor fixing plate 5 and leading screw fixed seat 6,
The motor 7 that is installed on motor fixing plate, the drivewheel 8 being installed on motor main shaft, it is installed in leading screw fixed seat
On screw mandrel 9 and installing and the driven pulley 10 of screw mandrel end, connected by belt between the drivewheel and driven pulley, the silk
Coordinate on bar and feed screw nut 11 is installed, carrier contiguous block 12, and carrier contiguous block are installed from base plate on the feed screw nut
Pass through, the upper end of carrier contiguous block is fixed on the bottom of carrier.
In the present embodiment, motor fixing plate is L shaped plate, and one end of L shaped plate is spirally connected and is fixed on bottom base plate, L shaped plate it is another
One end fixedly mounts motor, and the main shaft of motor passes through L shaped plate, and the end of main shaft is connected to drivewheel.The silk
Thick stick fixed seat has two groups, and screw mandrel is arranged in two groups of leading screw fixed seats, and the carrier contiguous block is also L-type structure, and carrier connects
The one end side of block is connected on feed screw nut, and the other end side of carrier contiguous block is provided with a through hole, and screw mandrel from through hole
Pass through at position, the other end side surface upper part of the carrier contiguous block is provided with sensing chip 13, and the bottom of the base plate is provided with
Mounting bar 14, is provided with three groups of photoelectric sensors 15 on mounting bar, and sensing chip can be engaged with photoelectric sensor, and detection is carried
The displacement of tool contiguous block, so that it is determined that the displacement of carrier.
See accompanying drawing 5～6, the base plate top is equiped with press mechanism II, and the press mechanism is included by support column 16
Air cylinder fixed plate 17 above base plate, the lower air cylinder 18 being installed in air cylinder fixed plate and it is installed in lower air cylinder
The lower platen 19 of piston-rod lower end, support column has four groups, and air cylinder fixed plate is arranged on four groups of support columns, and air cylinder fixed plate with
Base plate is parallel；The piston rod of the lower air cylinder is passed through from air cylinder fixed plate, and the lower end of piston rod is connected by cylinder connector
It is connected on lower platen, the lower platen is also parallel with base plate, and the sectional dimension of lower platen is less than the section of air cylinder fixed plate
Size.It is equiped between the lower platen and air cylinder fixed plate and pushes guiding mechanism.The guiding mechanism that pushes includes being installed in
Guide pillar 20 on lower platen and the guide pin bushing 21 being engaged with guide pillar being installed in air cylinder fixed plate, the guide pillar is worn from guide pin bushing
Cross and guide pillar upper end higher than air cylinder fixed plate upper surface, guide pillar has four groups, and four groups of guide pillars are distributed on the top four of lower platen
Individual angular position, guide pin bushing has four groups, and four groups of guide pin bushings are distributed on four, lower platen top angular position.
Lower sealing die cavity 22 is equiped with the carrier；The lower sealing die cavity includes sealing parts 23, seals zero
Product and the lateral follower mechanism III that the right flank of product can be sealed, and lateral follower mechanism slips are equiped with part
It is installed in sealing parts.
The lower platen bottom of the press mechanism is equiped with sealing sky plate 24, seals the sectional dimension and lower platen of sky plate 24
Sectional dimension it is identical；The bottom of the sealing sky plate is equiped with the upper sealing die cavity that can be sealed lower sealing die cavity
25, the bottom of the sealing sky plate and it is equiped with the sealing member that product can be sealed at upper sealing cavity positions
26, it is described sealing sky plate bottom and positioned at it is upper sealing cavity positions at be equiped with lateral follower mechanism match merges promote side
The upper follower 27 of face follower motion.
The lower sealing die cavity is identical with the structure of upper sealing die cavity, and lower sealing die cavity is provided with location hole 2201, on
Sealing die cavity bottom and with location hole opposite position at be provided with locating dowel 2501, locating dowel is inserted in location hole.
The lateral follower mechanism include be arranged on sealing parts in servo-actuated slide rail, be installed on servo-actuated slide rail with
Movable slider and it is installed in the servo-actuated contiguous block 28 on movable slider, is servo-actuated the upper end of the upper surface higher than lower sealing die cavity of contiguous block
Face；The servo-actuated contiguous block is provided with a horizontal groove 2801, horizontal groove and is equiped with supporting roller 29 by rotating shaft, and servo-actuated
Upper surface of the upper surface of wheel higher than servo-actuated contiguous block；The right-hand member of the servo-actuated contiguous block is equiped with side sealing block 30, side seal
The upper surface flush of block upper surface and servo-actuated contiguous block.
The ladder block structure of the integral type that the upper follower is made up of connecting portion 2701 and servo-actuated portion 2702, connection
The thickness in portion is less than the thickness in servo-actuated portion, and connecting portion is fixed on the bottom of sealing sky plate, is servo-actuated portion for wedge shape block structure, wedge
On inclined-plane 2703 can contact mutually circumscribed with supporting roller, the lower surface of the lower surface of the wedge less than upper sealing die cavity.
The sealing member includes the sealed base 2601 of the bottom for being fixedly mounted on sealing sky plate and installed in sealed base
Bottom and the sealed groove 2602 corresponding with the top profile of product, the sealed base is located at upper closed type intracavity, sealing
The upper part of groove is located at upper closed type intracavity, and the lower surface of sealed groove is less than the upper lower surface for sealing die cavity.
An aerating device and reference leakage device, and aerating device and leakage are sealed and installed with the side wall of the lower sealing die cavity
Device of air is connected respectively with the product after sealing, and aerating device is easy to be inflated the product after sealing, reference leakage device pair
After product is inflated after sealing, pressurize is carried out, switch detected gas flow to judge gas leakage by external connection reference leakage device
Amount.
Operation principle of the present invention：At the product space that product 31 is placed in sealing parts, then driving means
Motor 7 drives drivewheel 8 to rotate, and driven pulley 10 rotates under the drive of belt, so that screw mandrel 9 rotates, screw mandrel drives
Feed screw nut 11 moves, and feed screw nut drives carrier contiguous block 12 to move so that carrier 2 move to press mechanism just under
Side；Then lower air cylinder 18 drives lower platen 19 to move, and lower platen band dynamic sealing sky plate 24 and upper sealing die cavity 25 are moved together,
In location hole 2201 on the lower sealing die cavity 22 of the insertion of locating dowel 2501 of sealing cavity bottom upper first, by lower sealing die cavity and
Upper sealing die cavity is positioned；Then the supporting roller in the contact of incline plane lateral follower mechanism on the wedge of follower 27 is gone up
29, inclined-plane drives supporting roller motion when so pushing, left to product so as to drive servo-actuated contiguous block 28 and side sealing block 30 to move to right
Side is sealed, while sealing member 26 is moved down sealing to product top, realization is fully sealed to interiors of products, now
Upper and lower sealing die cavity is also pressed together, and is made in space of the whole product in sealing.Then aerating device fills to product
After gas, press mechanism is pushed and is kept steady pressure pressing sealing in the set time, and to the product after inflation pressurize is carried out,
Simultaneously external connection reference leakage device judges air leakage, and reference leakage device is provided with precise digital display control fluid switch and is detected whether
Gas leakage.It is capable of achieving to carrying out setting value detection below product different water depth such as surface waterproofing, diving how much rice, can be to any waterproof
Parameter carries out setting detection, saves artificial aging.
Above-described embodiment is the specific descriptions carried out to the present invention, and simply the present invention is further described, it is impossible to managed
Solve as limiting the scope of the present invention, it is nonessential that those skilled in the art makes some according to the content of foregoing invention
Modifications and adaptations are each fallen within protection scope of the present invention.
Claims (9)
1. a kind of air-leakage test tool, including base plate and being slidably installed in the carrier on base plate top and can drive carrier to move
Driving means, the base plate top is equiped with press mechanism, it is characterised in that：Lower sealing die cavity is equiped with the carrier；
The lower sealing die cavity includes sealing parts, product is equiped with sealing parts and can be carried out the right flank of product close
The lateral follower mechanism of envelope, and lateral follower mechanism slips be installed in sealing parts in；The lower platen bottom of the press mechanism
Portion is equiped with sealing sky plate；The bottom of the sealing sky plate is equiped with the upper closed type that can be sealed lower sealing die cavity
Chamber, the bottom of the sealing sky plate and is equiped with the sealing member that can be sealed product at upper sealing cavity positions,
It is described sealing sky plate bottom and positioned at it is upper sealing cavity positions at be equiped with lateral follower mechanism match merges promote side
The upper follower of follower motion.
2. a kind of air-leakage test tool according to claim 1, it is characterised in that：The base plate top left and right sides point
One group of slide rail is not fixed with, is coordinated on every group of slide rail and slide block is installed, the carrier is installed on slide block.
3. a kind of air-leakage test tool according to claim 1, it is characterised in that：The driving means include being installed in
The motor fixing plate and leading screw fixed seat of bottom base plate, the motor being installed on motor fixing plate, it is installed in motor
The driven pulley of drivewheel on main shaft, the screw mandrel being installed in leading screw fixed seat and installing and screw mandrel end, the drivewheel with
Connected by belt between driven pulley, coordinate on the screw mandrel and feed screw nut is installed, carrier is installed on the feed screw nut
Contiguous block, and carrier contiguous block passes through from base plate, the upper end of carrier contiguous block is fixed on the bottom of carrier.
4. a kind of air-leakage test tool according to claim 1, it is characterised in that：The press mechanism is included by propping up
Dagger is arranged on the air cylinder fixed plate above base plate, the lower air cylinder being installed in air cylinder fixed plate and is installed in lower air cylinder
The lower platen of piston-rod lower end, is equiped between the lower platen and air cylinder fixed plate and pushes guiding mechanism.
5. a kind of air-leakage test tool according to claim 4, it is characterised in that：The guiding mechanism that pushes includes dress
Guide pillar on lower platen and the guide pin bushing being engaged with guide pillar being installed in air cylinder fixed plate, the guide pillar is worn from guide pin bushing
Cross and guide pillar upper end higher than air cylinder fixed plate upper surface.
6. a kind of air-leakage test tool according to claim 1, it is characterised in that：The lower sealing die cavity and upper sealing
The structure of die cavity is identical, and lower sealing die cavity is provided with location hole, the bottom of upper sealing die cavity and with location hole opposite position
Place is provided with locating dowel, and locating dowel is inserted in location hole.
7. a kind of air-leakage test tool according to claim 1, it is characterised in that：The lateral follower mechanism includes peace
The servo-actuated slide rail that is mounted in sealing parts, be installed on servo-actuated slide rail with movable slider and be installed in servo-actuated on movable slider
Contiguous block, is servo-actuated the upper surface of the upper surface higher than lower sealing die cavity of contiguous block；It is laterally logical that the servo-actuated contiguous block is provided with one
Groove, is equiped with supporting roller, and the upper surface of supporting roller higher than the upper surface of servo-actuated contiguous block in horizontal groove；The servo-actuated connection
The right-hand member of block is equiped with side sealing block, the upper surface flush of side sealing block upper surface and servo-actuated contiguous block.
8. a kind of air-leakage test tool according to claim 7, it is characterised in that：The upper follower is by connecting
The ladder block structure of the integral type of portion and servo-actuated portion composition, the thickness of connecting portion is less than the thickness in servo-actuated portion, and connecting portion is fixed on
Sealing sky plate bottom, be servo-actuated portion be wedge shape block structure, the inclined-plane on wedge can contact mutually circumscribed with supporting roller, the wedge
Lower surface of the lower surface of shape block less than upper sealing die cavity.
9. a kind of air-leakage test tool according to claim 1, it is characterised in that：The sealing member includes fixed installation
In the sealed base of the bottom of sealing sky plate and installed in sealed base bottom and the sealing corresponding with the top profile of product
Groove, the sealed base is located at upper closed type intracavity, and the upper part of sealed groove is located at upper closed type intracavity, sealed groove
Lower surface of the lower surface less than upper sealing die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238296.6A CN106595989B (en) | 2016-12-28 | 2016-12-28 | A kind of air-leakage test jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238296.6A CN106595989B (en) | 2016-12-28 | 2016-12-28 | A kind of air-leakage test jig |
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| Publication Number | Publication Date |
|---|---|
| CN106595989A true CN106595989A (en) | 2017-04-26 |
| CN106595989B CN106595989B (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611238296.6A Active CN106595989B (en) | 2016-12-28 | 2016-12-28 | A kind of air-leakage test jig |
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| CN113218594A (en) * | 2021-03-25 | 2021-08-06 | 中国电子科技集团公司第三十八研究所 | Differential pressure type air tightness online detection mechanism |
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Address after: The Wujiang economic and Technological Development Zone West Road Wujiang District of Suzhou City, Jiangsu Province, No. 666 215200 Applicant after: Bo Seiko Polytron Technologies Inc Address before: The Wujiang economic and Technological Development Zone West Road Wujiang District of Suzhou City, Jiangsu Province, No. 666 215200 Applicant before: Suzhou Bozhong Precision Industry Technology Co., Ltd. |
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