CN106595989B - A kind of air-leakage test jig - Google Patents
A kind of air-leakage test jig Download PDFInfo
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- CN106595989B CN106595989B CN201611238296.6A CN201611238296A CN106595989B CN 106595989 B CN106595989 B CN 106595989B CN 201611238296 A CN201611238296 A CN 201611238296A CN 106595989 B CN106595989 B CN 106595989B
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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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Abstract
The present invention relates to a kind of air-leakage test jig, bottom plate and the driving device for being slidably installed in the carrier on bottom plate top and carrier capable of being driven to move, bottom plate top is installed with press mechanism, lower sealing cavity is installed on carrier；Lower sealing cavity includes sealing parts, seals the lateral follower mechanism for being installed with product in parts and capable of being sealed the right side of product；The lower platen bottom of press mechanism is installed with sealing sky plate；The bottom of sealing sky plate is installed with the upper sealing cavity that can be sealed lower sealing cavity, it seals the bottom of sky plate and is installed with the sealing element that product can be sealed at the upper sealing cavity positions, seal the bottom of sky plate and be installed with to match with lateral follower mechanism at upper sealing cavity positions and merge the upper follower that push side face follower moves.The waterproof detection jig that the present invention is suitable for wrist-watch, bracelet, camera etc. effectively improves productivity far more than artificial detection operation.
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
Jig.
Background technology：
To wrist-watch, bracelet, camera shooting first-class product, product requires product to need with certain with special application field
Air-tightness, it is airtight when not reaching requirement, it is easy to generate safety accident, generally require and gas leakage detection is carried out to product, commonly
Detection air-tightness method one is liquid is added in the product, see whether to have liquid leakage, this is needed in product
Portion's water filling, but the unsuitable water filling of interiors of products having, so being not suitable for；Another method is that gas is injected in product, is placed on water
In see whether gas leakage, this method is using extensive, however this method needs operating personnel to have been manually done, and use is very inconvenient,
The requirement of automation is not achieved.
In the prior art, generally product relevant portion is sealed using detection device, by being filled in seal chamber
Positive pressure or negative-pressure gas detect products air tightness.However, existing air-tightness detection device is to ensure sealing effect, usually
All inconvenient product picks and places.
Such as application No. is 201310555146.8 patents to disclose a kind of air-tightness detection device, the detection device
Including control board, and it is installed on the positioning carrier controlled on board, exterior seal assembly, pushing component and interior sealing component,
Using the sealing ring inflation in interior sealing component and exterior seal assembly to being sealed simultaneously inside and outside product, citadel is formed
Domain, by with closed area is vacuumized and air gauge is utilized to detect vacuum degree, realize detection to products air tightness, and lead to
Each sealing ring exhaust is crossed with collapsed seal circle, product is facilitated to pick and place the air-tightness that above-mentioned patent is only applicable to mesh shell product
Detection, use scope are limited.
Such as application No. is 201510165812.6 patents to disclose a kind of cylinder cap air-leakage detector, it is used for cylinder cap gas
The operating room left and right sides of road, water channel air-leakage test, the air-leakage detector is arranged symmetrically, and operating room includes：Positioning device,
Main pressing device, side compression device, rear pressing device, side compression device are made of pressing device under pressing device, side on side, are led to
It crosses and the venthole of each branch road in air flue in cylinder cap and water channel is blocked to each device, then add from air admission hole to air flue water channel
The gas of certain air pressure carries out pressurize processing, finally detects the atmospheric pressure value after pressurize in air flue water channel to judge that the air-tightness of cylinder cap is closed
Whether lattice.Above-mentioned patent is also that for cylinder cap, a kind of this product is detected, and apparatus structure is complicated, and product picks and places also not side
Just.
Invention content：
The purpose of the present invention is in view of the deficiencies of the prior art, providing a kind of air-leakage test jig, to product into
Row waterproof detects, and sealing test is fixed to product.Any products size can be designed, it is easy to operate, the time is short,
Low manufacture cost, product pick and place conveniently.
The technology solution of the present invention is as follows：
A kind of air-leakage test jig, including bottom plate and be slidably installed in bottom plate top carrier and carrier can be driven to transport
Dynamic driving device, the bottom plate top are installed with press mechanism, and lower sealing cavity is installed on the carrier；The lower sealing
Cavity includes sealing parts, seal be installed in parts product and the side that the right side of product can be sealed with
Motivation structure, and lateral follower mechanism slips are installed in sealing parts；The lower platen bottom of the press mechanism is installed with close
Seal sky plate；The bottom of the sealing sky plate is installed with the upper sealing cavity that can be sealed lower sealing cavity, the sealing
The bottom of sky plate and the sealing element that product can be sealed, the sealing sky plate are installed at the upper sealing cavity positions
Bottom and be installed at the upper sealing cavity positions and merge the follower movement of push side face with lateral follower mechanism matching
Upper follower.
Preferably, being respectively fixed with one group of sliding rail at left and right sides of the bottom plate top, coordinates on every group of sliding rail and be equipped with
Sliding block, the carrier are installed on sliding block.
Preferably, the driving device includes being installed in motor fixing plate and leading screw fixed seat, the installing of bottom base plate
In the driving motor on motor fixing plate, the driving wheel being installed on driving motor main shaft, the silk that is installed in leading screw fixed seat
The driven wheel of bar and installing and lead screw end, is connected by belt between the driving wheel and driven wheel, is coordinated on the lead screw
Feed screw nut is installed, carrier link block is installed, and carrier link block is passed through from bottom plate on the feed screw nut, carrier connection
The upper end of block is fixed on the bottom of carrier.
Preferably, the press mechanism include by support column be mounted on bottom plate above air cylinder fixed plate, be installed in
The lower platen of lower air cylinder and the piston-rod lower end for being installed in lower air cylinder in air cylinder fixed plate, the lower platen are solid with cylinder
Pushing guiding mechanism is installed between fixed board.
Preferably, the pushing guiding mechanism includes the guide post being installed on lower platen and is installed in air cylinder fixed plate
With the matched guide sleeve of guide post, the guide post passed through from guide sleeve and the upper end of guide post be higher than air cylinder fixed plate upper surface.
Preferably, the lower sealing cavity is identical with the structure of upper sealing cavity, and lower sealing cavity is equipped with positioning
Hole, the bottom of upper sealing cavity and with positioning column is equipped at location hole opposite position, positioning column is inserted into location hole.
Preferably, the lateral follower mechanism include be mounted on sealing parts in servo-actuated sliding rail, be installed in it is servo-actuated
It is higher than lower closed type with the upper surface for being servo-actuated link block with the servo-actuated link block on movable slider is installed in movable slider on sliding rail
The upper surface of chamber；The servo-actuated link block is equipped with a lateral straight slot, is installed with supporting roller in lateral straight slot, and supporting roller is upper
End face is higher than the upper surface of servo-actuated link block；The right end of the servo-actuated link block is installed with side sealing block, side sealing block upper surface
With the upper surface flush of servo-actuated link block.
Preferably, the ladder block structure for the integral type that the upper follower is made of interconnecting piece and servo-actuated portion, even
The thickness of socket part is less than the thickness in servo-actuated portion, and interconnecting piece is fixed on the bottom of sealing sky plate, and the portion that is servo-actuated is wedge-shaped block structure, wedge shape
Inclined-plane on block can with supporting roller is mutually circumscribed contacts, the lower face of the lower face of the wedge block less than upper sealing cavity.
Preferably, the sealing element includes being fixedly mounted on the sealed base for the bottom for sealing sky plate and mounted on sealing
Pedestal lower part and sealed groove corresponding with the top profile of product, the sealed base are located at upper closed type intracavitary, sealing
The upper part of groove is located at upper closed type intracavitary, and the lower face of sealed groove is less than the upper lower face for sealing cavity.
The beneficial effects of the present invention are：
Product is placed at the product space in sealing parts by the present invention, and then driving device is run, and carrier is made to transport
Move the underface of press mechanism；Then lower air cylinder driving lower platen movement, lower platen band dynamic sealing sky plate and upper closed type
Chamber moves together, and the positioning column of sealing cavity bottom upper first is inserted into the location hole on lower sealing cavity, by lower sealing cavity
It is positioned with upper sealing cavity；Then servo-actuated in the contact of incline plane lateral follower mechanism on the wedge block of upper follower
Driving supporting roller movement in inclined-plane when wheel, in this way pushing, to drive servo-actuated link block and side sealing block to move to right, to product left side
It is sealed, while sealing element is moved down and is sealed to product top, interiors of products is fully sealed in realization, upper and lower at this time close
Envelope cavity also presses together, and entire product is made to be in the space of sealing, seals and fixes to product orientation.If detection is completed
Afterwards, lower air cylinder reset, disengagement of seal member product top, at the same the inclined-plane on the wedge block of upper follower be also detached from side with
Supporting roller on motivation structure, the side of product is loosened, push manually lateral follower mechanism just make product be in do not stress
State, then take out product, such product, which picks and places, to be also convenient for.
The present invention can be achieved 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 present invention is easy to operate, the time is short, low manufacture cost, and setting detection can be carried out to arbitrary waterproof parameter, saves people
Working hour imitates.As long as set in realizing production line parametric job can volume production operation, considerably beyond artificial detection operation, effectively
Improve productivity.Waterproof suitable for such as wrist-watch bracelet camera etc. detects jig, and sealing test is fixed to product, can be right
Any products size is designed.
Description of the drawings：
Following further describes the present invention with reference to the drawings：
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the vertical view of Fig. 1；
Fig. 4 is the left view of Fig. 1；
Fig. 5 is the structural schematic diagram of the press mechanism of the present invention；
Fig. 6 is the structural schematic diagram of the upper sealing cavity of the present invention, sealing element and upper follower；
Fig. 7 is the structural schematic diagram of inventive drive means；
Fig. 8 is inventive drive means, carrier and the lower structural schematic diagram for sealing cavity；
Fig. 9 is the front view of Fig. 8.
Symbol description in figure：I-driving device；II-press mechanism；III-lateral follower mechanism；1-bottom plate；2-carry
Tool；3-sliding rails；4-sliding blocks；5-motor fixing plates；6-leading screw fixed seats；7-driving motors；8-driving wheels；9-lead screws；
10-driven wheels；11-feed screw nuts；12-carrier link blocks；13-sensing chips；14-mounting bars；15-photoelectric sensors；
16-support columns；17-air cylinder fixed plates；18-lower air cylinders；19-lower platens；20-guide posts；21-guide sleeves；It is close under 22-
Seal cavity；2201-location holes；23-sealing parts；24-sealing sky plates；25-above seal cavity；2501-positioning columns；
26-sealing elements；2601-sealed bases；2602-sealed grooves；27-upper followers；2701-interconnecting pieces；2702-with
Dynamic portion；2703-inclined-planes；28-servo-actuated link blocks；2801-lateral straight slots；29-supporting rollers；30-side sealing blocks；31-productions
Product.
Specific implementation mode：
Embodiment is shown in attached drawing 1~9, a kind of air-leakage test jig, including bottom plate 1 and is slidably installed in bottom plate top
Carrier 2 and the driving device I that carrier can be driven to move, in the present embodiment, bottom plate is slab construction, the bottom plate top is left,
Right both sides are respectively fixed with one group of sliding rail 3, coordinate on every group of sliding rail and are equipped with sliding block 4, the carrier is installed on sliding block, carrier
It can be moved along sliding rail under the action of driving device.
See attached drawing 7~9, the driving device include be installed in bottom base plate motor fixing plate 5 and leading screw fixed seat 6,
The driving motor 7 that is installed on motor fixing plate, is installed in leading screw fixed seat at the driving wheel 8 being installed on driving motor main shaft
On lead screw 9 and installing and the driven wheel 10 of lead screw end, connected by belt between the driving wheel and driven wheel, the silk
Cooperation is equipped with feed screw nut 11 on bar, is equipped with carrier link block 12 on the feed screw nut, and carrier link block is from bottom plate
It passes through, the upper end of carrier link 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, which is spirally connected, is fixed on bottom base plate, L shaped plate it is another
Driving motor is fixedly mounted in one end, and the main shaft of driving motor passes through L shaped plate, and the end of main shaft is connected to driving wheel.The silk
Thick stick fixed seat has two groups, and lead screw is mounted in two groups of leading screw fixed seats, and the carrier link block is also L-type structure, carrier connection
The one end side of block is connected on feed screw nut, and the other end side of carrier link block is equipped with a through-hole, and lead screw is from through-hole
It is passed through at position, the other end side surface upper part of the carrier link block is equipped with sensing chip 13, and the bottom of the bottom plate is equipped with
Mounting bar 14 is equipped with three groups of photoelectric sensors 15 on mounting bar, and sensing chip can be matched with photoelectric sensor, and detection carries
The displacement distance for having link block, so that it is determined that the displacement distance of carrier.
See that attached drawing 5~6, the bottom plate top are installed with press mechanism II, the press mechanism includes passing through support column 16
Air cylinder fixed plate 17 above bottom 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 have four groups, and air cylinder fixed plate is mounted on four groups of support columns, and air cylinder fixed plate with
Bottom 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 bottom plate, and the sectional dimension of lower platen is less than the section of air cylinder fixed plate
Size.Pushing guiding mechanism is installed between the lower platen and air cylinder fixed plate.The pushing guiding mechanism includes being installed in
Guide post 20 on lower platen and be installed in air cylinder fixed plate with the matched guide sleeve 21 of guide post, the guide post wears from guide sleeve
It crosses and the upper end of guide post is higher than the upper surface of air cylinder fixed plate, guide post has four groups, and four groups of guide posts are distributed on the top four of lower platen
A angular position, guide sleeve have four groups, and four groups of guide sleeves are distributed on four, lower platen top angular position.
Lower sealing cavity 22 is installed on the carrier；The lower sealing cavity includes sealing parts 23, seals zero
The lateral follower mechanism III that is installed with product in part and the right side of product can be sealed, and lateral follower mechanism slips
It is installed in sealing parts.
The lower platen bottom of the press mechanism is installed 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 installed with the upper sealing cavity that can be sealed lower sealing cavity
25, the bottom of the sealing sky plate and the sealing element that product can be sealed is installed at the upper sealing cavity positions
26, it the bottom of the sealing sky plate and is installed at the upper sealing cavity positions to match with lateral follower mechanism and merges push side
The upper follower 27 of face follower movement.
The lower sealing cavity is identical with the structure of upper sealing cavity, and lower sealing cavity is equipped with location hole 2201, on
Seal cavity bottom and at location hole opposite position be equipped with positioning column 2501, positioning column is inserted into location hole.
The lateral follower mechanism include be mounted on sealing parts in servo-actuated sliding rail, be installed on servo-actuated sliding rail with
Movable slider is higher than the upper end of lower sealing cavity with the upper surface for being servo-actuated link block with the servo-actuated link block 28 on movable slider is installed in
Face；The servo-actuated link block is equipped with a lateral straight slot 2801, and lateral straight slot is interior to be installed with supporting roller 29 by shaft, and servo-actuated
The upper surface of wheel is higher than the upper surface of servo-actuated link block；The right end of the servo-actuated link block is installed with side sealing block 30, side seal
The upper surface flush of block upper surface and servo-actuated link block.
The ladder block structure for the integral type that the upper follower is made of interconnecting piece 2701 and servo-actuated portion 2702, connection
The thickness in portion is less than the thickness in servo-actuated portion, and interconnecting piece is fixed on the bottom of sealing sky plate, and the portion that is servo-actuated is wedge-shaped block structure, wedge block
On inclined-plane 2703 can with supporting roller is mutually circumscribed contacts, the lower face of the lower face of the wedge block less than upper sealing cavity.
The sealing element includes being fixedly mounted on the sealed base 2601 for the bottom for sealing sky plate and mounted on sealed base
Lower part and sealed groove 2602 corresponding with the top profile of product, the sealed base are located at upper closed type intracavitary, sealing
The upper part of groove is located at upper closed type intracavitary, and the lower face of sealed groove is less than the upper lower face for sealing cavity.
It is sealed and installed with an air charging system and reference leakage device, and air charging system and leakage on the side wall of the lower sealing cavity
Device of air is connected with the product after sealing respectively, and air charging system is convenient for being inflated the product after sealing, reference leakage device pair
After product is inflated after sealing, pressurize is carried out, detection gas flow is switched by external connection reference leakage device to judge gas leakage
Amount.
Operation principle of the present invention：Product 31 is placed at the product space in sealing parts, then driving device
Driving motor 7 drives driving wheel 8 to rotate, and driven wheel 10 rotates under the drive of belt, and to make lead screw 9 rotate, lead screw drives
Feed screw nut 11 moves, and feed screw nut drives carrier link block 12 to move, to make 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 cavity 25 move together,
The positioning column 2501 of sealing cavity bottom upper first is inserted into the location hole 2201 on lower sealing cavity 22, by lower sealing cavity with
Upper sealing cavity is positioned；Then the supporting roller in the contact of incline plane lateral follower mechanism on the wedge block of upper follower 27
29, driving supporting roller movement in inclined-plane when pushing in this way, so that drive is servo-actuated link block 28 and side sealing block 30 moves to right, to a product left side
Side is sealed, while sealing element 26 is moved down and is sealed to product top, and interiors of products is fully sealed in realization, at this time
Upper and lower sealing cavity also presses together, and entire product is made to be in the space of sealing.Then air charging system fills product
After gas, press mechanism push and keeps steady pressure pressing sealing in the set time, and pressurize is carried out to the product after inflation,
External connection reference leakage device judges air leakage simultaneously, reference leakage device be equipped with precise digital display control fluid switch be detected whether
Gas leakage.It can be achieved to carrying out setting value detection below product different water depth such as surface waterproofing, diving how much rice, it can be to arbitrary waterproof
Parameter carries out setting detection, saves artificial aging.
Above-described embodiment is the specific descriptions carried out to the present invention, and only invention is further explained, Bu Nengli
Solution is limiting the scope of the present invention, and it is nonessential that those skilled in the art according to the content of foregoing invention makes some
Modifications and adaptations are each fallen within protection scope of the present invention.
Claims (7)
1. a kind of air-leakage test jig, including bottom plate and it is slidably installed in the carrier on bottom plate top and carrier can be driven to move
Driving device, the bottom plate top is installed with press mechanism, it is characterised in that：Lower sealing cavity is installed on the carrier；
The lower sealing cavity includes sealing parts, seals and is installed with product in parts and can carry out the right side of product close
The lateral follower mechanism of envelope, and lateral follower mechanism slips are installed in sealing parts；The lower platen bottom of the press mechanism
Portion is installed with sealing sky plate；The bottom of the sealing sky plate is installed with the upper closed type that can be sealed lower sealing cavity
Chamber, the bottom of the sealing sky plate and is installed with the sealing element that can be sealed product at the upper sealing cavity positions,
It the bottom of the sealing sky plate and is installed at the upper sealing cavity positions to match with lateral follower mechanism and merges push side face
The upper follower of follower movement；
The lateral follower mechanism includes the servo-actuated sliding rail being mounted in sealing parts, the servo-actuated cunning being installed on servo-actuated sliding rail
Block is higher than the upper surface of lower sealing cavity with the upper surface for being servo-actuated link block with the servo-actuated link block on movable slider is installed in；Institute
It states servo-actuated link block and is equipped with a lateral straight slot, supporting roller is installed in lateral straight slot, and the upper surface of supporting roller is higher than servo-actuated
The upper surface of link block；The right end of the servo-actuated link block is installed with side sealing block, side sealing block upper surface and servo-actuated link block
Upper surface flush；
The ladder block structure for the integral type that the upper follower is made of interconnecting piece and servo-actuated portion, the thickness of interconnecting piece are less than
The thickness in servo-actuated portion, interconnecting piece are fixed on the bottom of sealing sky plate, and the portion that is servo-actuated is wedge-shaped block structure, and the inclined-plane on wedge block can
With supporting roller is mutually circumscribed contacts, the lower face of the lower face of the wedge block less than upper sealing cavity.
2. a kind of air-leakage test jig according to claim 1, it is characterised in that：Divide at left and right sides of the bottom plate top
It is not fixed with one group of sliding rail, coordinates on every group of sliding rail and sliding block is installed, the carrier is installed on sliding block.
3. a kind of air-leakage test jig according to claim 1, it is characterised in that：The driving device includes being installed in
The motor fixing plate and leading screw fixed seat of bottom base plate, are installed in driving motor at the driving motor being installed on motor fixing plate
The driven wheel of driving wheel on main shaft, the lead screw being installed in leading screw fixed seat and installing and lead screw end, the driving wheel with
It is connected by belt between driven wheel, coordinates on the lead screw and feed screw nut is installed, carrier is installed on the feed screw nut
Link block, and carrier link block is passed through from bottom plate, the upper end of carrier link block is fixed on the bottom of carrier.
4. a kind of air-leakage test jig according to claim 1, it is characterised in that：The press mechanism includes passing through branch
Dagger is mounted on air cylinder fixed plate above bottom plate, the lower air cylinder that is installed in air cylinder fixed plate and is installed in lower air cylinder
The lower platen of piston-rod lower end is installed with pushing guiding mechanism between the lower platen and air cylinder fixed plate.
5. a kind of air-leakage test jig according to claim 4, it is characterised in that：The pushing guiding mechanism includes dress
Guide post on lower platen and be installed in air cylinder fixed plate with the matched guide sleeve of guide post, the guide post wears from guide sleeve
Cross and the upper end of guide post be higher than air cylinder fixed plate upper surface.
6. a kind of air-leakage test jig according to claim 1, it is characterised in that：The lower sealing cavity and upper sealing
The structure of cavity is identical, and lower sealing cavity be equipped with location hole, it is upper sealing cavity bottom and with location hole opposite position
Place is equipped with positioning column, and positioning column is inserted into location hole.
7. a kind of air-leakage test jig according to claim 1, it is characterised in that：The sealing element includes being fixedly mounted
In the sealed base of the bottom of sealing sky plate and mounted on sealed base lower part and sealing corresponding with the top profile of product
Groove, the sealed base are located at upper closed type intracavitary, and the upper part of sealed groove is located at upper closed type intracavitary, sealed groove
Lower face of the lower face less than upper sealing 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 |
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| CN106595989A CN106595989A (en) | 2017-04-26 |
| CN106595989B true 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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