CN108046205A - One kind has purification function refuelling device - Google Patents
One kind has purification function refuelling device Download PDFInfo
- Publication number
- CN108046205A CN108046205A CN201711446097.9A CN201711446097A CN108046205A CN 108046205 A CN108046205 A CN 108046205A CN 201711446097 A CN201711446097 A CN 201711446097A CN 108046205 A CN108046205 A CN 108046205A
- Authority
- CN
- China
- Prior art keywords
- hairbrush
- blade
- filter plate
- filter
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000746 purification Methods 0.000 title claims abstract description 24
- 239000012535 impurity Substances 0.000 claims abstract description 31
- 239000000446 fuel Substances 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 238000011049 filling Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims description 9
- 239000012634 fragment Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 241001191009 Gymnomyza Species 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/76—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/08—Arrangements of devices for controlling, indicating, metering or registering quantity or price of liquid transferred
- B67D7/16—Arrangements of liquid meters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses one kind to have purification function refuelling device, including fuel charger, oil filling pipe, purifier and flowmeter, one end of fuel charger through connection oil filling pipe, the other end through connection of oil filling pipe has purifier and flowmeter, and the other end of flowmeter is connected to by refueling nozzle in automotive oil tank, purifier is rectangular parallelepiped structure, the purifier includes purifying box, first filter plate, sliding block, motion bar, first hairbrush, rolling frame, steel wire rope, fixed pulley, shaft, blade, slide block, bearing, helical disk, second hairbrush, this is with purification function refuelling device good purification, dust removal rate is fast, it will not stop the flowing of oil because of impurity, and, well cuts are taken away in time.
Description
Technical field
The present invention relates to oiling technology association areas, are specially that one kind has purification function refuelling device.
Background technology
Fuel charger is the oil transportation measuring equipment directly refueled for motor vehicle.It is constituted with oil tank, pipeline, pipe fitting valve etc.
One complete oil supply system.Fuel charger be by oil pump, gs-oil separator, meter, four big assembly of counter and motor,
Some other component such as oil gun is formed, and any all kinds of fuel chargers are all considered as by this big assembly and some other simple component
It forms.
At present, there are many scale species of fuel charger used by gas station, from mechanical, electronic type until computer adds automatically
Oil machine.The flow of fuel charger can be divided into 50-60 liters/min and 80-90 liters/min two kinds.The fuel charger of small flow be suitable for car,
Minibus refuels；The fuel charger of big flow is suitable for the oiling of motorbus and container carrier.The basic knot of various fuel chargers
Structure（Mechanical driving part）It is consistent.Mechanical and electronic type difference lies in numeric display unit difference, electronic type
It can be used cooperatively with microcomputer, achieve the purpose that be automatically brought into operation.It is many difficult using existing for a long time in oil pipe in existing refueling device
It is long-term previous as oiling is entered in automobile cylinder with the impurity of removal, hold so as to cause the cylinder in the automobile to be refueled
It is fragile, for this purpose, proposing a kind of with purification function refuelling device.
The content of the invention
It is an object of the invention to provide one kind to have purification function refuelling device, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical solution：
One kind has purification function refuelling device, including fuel charger, oil filling pipe, purifier and flowmeter, fuel charger perforation
One end of oil filling pipe is connected, the other end through connection of oil filling pipe has purifier and flowmeter, and the other end of flowmeter leads to
It crosses refueling nozzle to be connected in automotive oil tank, purifier is rectangular parallelepiped structure, and the purifier includes purifying box, the first filtering
Plate, sliding block, motion bar, the first hairbrush, rolling frame, steel wire rope, fixed pulley, shaft, blade, slide block, bearing, helical disk,
Two hairbrush, spring, idler wheel, the second filter plate, link block, scraper plate, the first filter opening, the second filter opening and impurity collecting box；
The inner cavity one side of the purifying box slidably connects one side of first filter plate away from fuel charger and slidably connects sliding block,
One end of the sliding block rotation connection motion bar, the other end of motion bar are rotatably connected to the first hairbrush, and the two of the first hairbrush
End is respectively connected with rolling frame, and the wheel rolling of the rolling frame is connected to the bar shaped guide rail that the intracavity sidewall of purifying box is opened up
In, first hairbrush is connected with the second filter plate by steel wire rope, and steel wire rope, around fixed pulley, the pulley yoke of fixed pulley is consolidated
Surely it is connected on the intracavity sidewall of purifying box；
Shaft is equipped between the fixed pulley and the second filter plate, and the upper and lower end of shaft is rotationally connected with purification box cavity
Upper and lower side wall is socketed with bearing in the shaft, and the outer wall of bearing is connected to the inner cavity upper end of purifying box, the bearing
Lateral wall is connected to the end face of the second filter plate by spring, and the upper end both ends of the second filter plate are rotatably connected to idler wheel, idler wheel
The upper and lower side wall for being connected to purification box cavity is rolled, second filter plate is fixedly connected on the end face of the one side of shaft
There is link block；
The middle part annular spread of the shaft is fixedly connected with multiple blades, and the outer surface of any one blade is fixedly connected with
Slide block, multiple second hairbrush are connected with this blade on symmetrical blade, slide block alternating contact squeeze link block promotes
Second filter plate moves back and forth, and the lower face of the purifying box offers the first filter opening and the second filter opening, and the first filter opening and the
The equal through connection of two filter openings has impurity collecting box, and the sealing of impurity collecting box is hinged on the lateral wall of purifying box.
Preferably, second filter plate connects scraper plate close to the one side of shaft.
Preferably, one fragment position of shaft between the blade and first filter opening is socketed with helical disk.
Preferably, the madial wall of the scraper plate and purifying box is obliquely installed.
Preferably, the equal detachable interposing in inside of first filter opening and the second filter opening is connected to filtering net plate.
Preferably, there are six the numbers of the blade, and angularly annular spread between blade.
Preferably, second hairbrush at least 16, and the second hairbrush equidistantly distributed is on the surface of blade.
Preferably, the sliding block is slidably connected to the end face of the first filter plate and offers in guide rail.
Compared with prior art, the beneficial effects of the invention are as follows：This with purification function refuelling device good purification,
Dust removal rate is fast, the flowing of oil will not be stopped because of impurity, moreover, well cuts are taken away in time, when oil enters from oil filling pipe
To purifier and flowmeter, then go through in automotive oil tank, in the process, oily impact flow blade, band movable vane piece
It is rotated together with shaft, the first filter plate carries out by-pass filtration, and then the second filter plate carries out secondary filtration, and blade surface is dialled
Motion block when turn to contradict link block position when, block is press-connected, so as to which the second filter plate be driven to be moved to the right, when stirring
Block leaves link block position position, and under spring return force function, the second filter plate is moved to the left side, so as to drive scraper plate thereon
Sundries is scraped the second filter opening to enter in impurity collecting box, meanwhile, the reciprocating motion of the second filter opening so that impurity thereon
It can shake off down, be scraped by scraper plate in impurity collecting box；On the other hand, steel wire rope of the bolt on the second filter plate pulls first mao
Brush and rolling frame movement, the first hair brush belt movable slider and motion bar movement, cause the first filter plate to move back and forth, by impurity from the
One filter opening is entered in impurity collecting box.To sum up, it is known that this purification well cuts is efficient, in time takes away impurity, removal of impurities effect
Rate is high.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the cutaway view Amplified image of purifier in structure of the present invention.
In figure：Fuel charger 1, oil filling pipe 2, purifier 3, purifying box 301, the first filter plate 302, sliding block 303, motion bar
304th, the first hairbrush 305, rolling frame 306, steel wire rope 307, fixed pulley 308, shaft 309, blade 310, slide block 311, bearing
312nd, helical disk 313, the second hairbrush 314, spring 315, idler wheel 316, the second filter plate 317, link block 318, scraper plate 319,
One filter opening 320, the second filter opening 321, impurity collecting box 322, flowmeter 4.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution：
One kind has purification function refuelling device, including fuel charger 1, oil filling pipe 2, purifier 3 and flowmeter 4, fuel charger 1
One end of through connection oil filling pipe 2, the other end through connection of oil filling pipe 2 have a purifier 3 and flowmeter 4, and flowmeter 4
The other end is connected to by refueling nozzle in automotive oil tank, and purifier 3 is rectangular parallelepiped structure, and purifier 3 includes purifying box
301st, the first filter plate 302, sliding block 303, motion bar 304, the first hairbrush 305, rolling frame 306, steel wire rope 307, fixed pulley
308th, shaft 309, blade 310, slide block 311, bearing 312, helical disk 313, the second hairbrush 314, spring 315, idler wheel 316,
Second filter plate 317, link block 318, scraper plate 319, the first filter opening 320, the second filter opening 321 and impurity collecting box 322.
The inner cavity one side of purifying box 301 slidably connects the first one side of the filter plate 302 away from fuel charger 1 and is slidably connected
There is sliding block 303, sliding block 303 is rotatablely connected one end of motion bar 304, and the other end of motion bar 304 is rotatably connected to the first hairbrush
305, and the both ends of the first hairbrush 305 are respectively connected with rolling frame 306, the wheel rolling of rolling frame 306 is connected to purifying box 301
In the bar shaped guide rail that intracavity sidewall is opened up, the first hairbrush 305 is connected with the second filter plate 317, and steel wire by steel wire rope 307
Rope 307 is fixedly connected on around fixed pulley 308, the pulley yoke of fixed pulley 308 on the intracavity sidewall of purifying box 301.
Shaft 309 is equipped between 308 and second filter plate 317 of fixed pulley, and the upper and lower end of shaft 309 is rotationally connected with
The upper and lower side wall of 301 inner cavity of purifying box is socketed with bearing 312 in shaft 309, and the outer wall of bearing 312 is connected to purifying box
301 inner cavity upper end, the lateral wall of bearing 312 are connected to the end face of the second filter plate 317, the second filter plate by spring 315
317 upper end both ends are rotatably connected to idler wheel 316, and idler wheel 316 rolls the upper and lower side wall for being connected to 301 inner cavity of purifying box, and second
Filter plate 317 is fixedly connected with link block 318 on the end face of the one side of shaft 309, and the second filter plate 317 is close to shaft
309 one side connection scraper plate 319.
The middle part annular spread of shaft 309 is fixedly connected with multiple blades 310, and the outer surface of any one blade 310
Slide block 311 is fixedly connected with, is connected with multiple second hairbrush 314, slide block on symmetrical blade 310 with this blade 310
311 alternating contact squeeze link blocks 318 promote the second filter plate 317 to move back and forth, and the lower face of purifying box 301 offers first
320 and second filter opening 321 of filter opening, and the first filter opening 320 and 321 equal through connection of the second filter opening have impurity collecting box 322, impurity
The sealing of collecting box 322 is hinged on the lateral wall of purifying box 301.
309 1 fragment position of shaft between 310 and first filter opening 320 of blade is socketed with helical disk 313, helical disk
313 rotate together with shaft 309, form whirlpool, so that impurity is easier, with speed, to pass through 320 He of the first filter opening
After second filter opening 321, it is easy to screw into impurity collecting box 322.
Scraper plate 319 and the madial wall of purifying box 301 are obliquely installed, and one is convenient so that under the second filter plate 317 tumbles
Impurity can be entered conveniently in the second filter opening 321, and on the other hand, 301 intracavity sidewall contact jaw of scraper plate 319 and purifying box can
The impurity of surface attachment is scraped in the second filter opening 321.The equal detachable interposing in inside of first filter opening 320 and the second filter opening 321
Filtering net plate is connected to, is convenient for changing mesh sheet, there are six the numbers of blade 310, and angularly annular spread between blade 310, is adding
During oil stream is moved, band movable vane piece 310 and shaft 309 is facilitated to rotate together, the second hairbrush 314 at least 16, and the second hairbrush
314 equidistantly distributeds are on the surface of blade 310, when the second hairbrush 314 turns to the end face of the first filter plate 302 of contact, to the
One filter plate, 302 surface impurity is cleaned with water, when the second hairbrush 314 turn to contact the second filter plate 317 end face, to second filter
The surface impurity of plate 317 is cleaned with water, two-way function, and the end face that sliding block 303 is slidably connected to the first filter plate 302 offers guide rail
In, convenient for sliding, the first filter plate 302 is driven to move back and forth.
Operation principle：When oil enters purifier 3 and flowmeter 4 from oil filling pipe 2, then go through in automotive oil tank,
In the process, oily impact flow blade 310, band movable vane piece 310 and shaft 309 rotate together, and the first filter plate 302 carries out
By-pass filtration, then the second filter plate 317 progress secondary filtration, the slide block 311 on 310 surface of blade ought turn to conflict connection
When 318 position of block, block 318 is press-connected, so as to which the second filter plate 317 be driven to be moved to the right, when 311 company of leaving of slide block
318 position position of block is connect, under 315 return force function of spring, the second filter plate 317 is moved to the left side, so as to drive scraping thereon
Sundries is scraped the second filter opening 321 and entered in impurity collecting box 322 by plate 319, meanwhile, the reciprocating motion of the second filter opening 321 makes
The impurity obtained thereon can also be shaken off down, be scraped by scraper plate 319 in impurity collecting box 322；
On the other hand, steel wire rope 307 of the bolt on the second filter plate 317 pulls the first hairbrush 305 and rolling frame 306 to move, the
One hairbrush 305 is moved with movable slider 303 and motion bar 304, and the first filter plate 302 is caused to move back and forth, and impurity is filtered from first
Hole 320 is entered in impurity collecting box 322.To sum up, it is known that this purification well cuts is efficient.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. one kind has purification function refuelling device, including fuel charger（1）, oil filling pipe（2）, purifier（3）And flowmeter
（4）, fuel charger（1）Through connection oil filling pipe（2）One end, oil filling pipe（2）Other end through connection have purifier（3）With
Flowmeter（4）, and flowmeter（4）The other end be connected to by refueling nozzle in automotive oil tank, purifier（3）For cuboid knot
Structure, it is characterised in that：The purifier（3）Including purifying box（301）, the first filter plate（302）, sliding block（303）, motion bar
（304）, the first hairbrush（305）, rolling frame（306）, steel wire rope（307）, fixed pulley（308）, shaft（309）, blade（310）、
Slide block（311）, bearing（312）, helical disk（313）, the second hairbrush（314）, spring（315）, idler wheel（316）, second filtering
Plate（317）, link block（318）, scraper plate（319）, the first filter opening（320）, the second filter opening（321）With impurity collecting box（322）；
The purifying box（301）Inner cavity one side slidably connect the first filter plate（302）Away from fuel charger（1）One side slide
It is dynamic to be connected with sliding block（303）, the sliding block（303）It is rotatablely connected motion bar（304）One end, motion bar（304）The other end
It is rotatably connected to the first hairbrush（305）, and the first hairbrush（305）Both ends be respectively connected with rolling frame（306）, the rolling frame
（306）Wheel rolling be connected to purifying box（301）The bar shaped guide rail that is opened up of intracavity sidewall in, first hairbrush
（305）Pass through steel wire rope（307）It is connected with the second filter plate（317）, and steel wire rope（307）Around fixed pulley（308）, fixed pulley
（308）Pulley yoke be fixedly connected on purifying box（301）Intracavity sidewall on；
The fixed pulley（308）With the second filter plate（317）Between be equipped with shaft（309）, and shaft（309）Upper and lower end turn
It is dynamic to be connected to purifying box（301）The upper and lower side wall of inner cavity, the shaft（309）On be socketed with bearing（312）, bearing（312）
Outer wall be connected to purifying box（301）Inner cavity upper end, the bearing（312）Lateral wall pass through spring（315）It is connected to
Two filter plates（317）End face, the second filter plate（317）Upper end both ends be rotatably connected to idler wheel（316）, idler wheel（316）Rolling
It is dynamic to be connected to purifying box（301）The upper and lower side wall of inner cavity, second filter plate（317）Close to shaft（309）One side end
Link block is fixedly connected on face（318）；
The shaft（309）Middle part annular spread be fixedly connected with multiple blades（310）, and any one blade（310）'s
Outer surface is fixedly connected with slide block（311）, with this blade（310）Symmetrical blade（310）On be connected with multiple second maos
Brush（314）, slide block（311）Alternately contact squeeze link block（318）Promote the second filter plate（317）It moves back and forth, it is described net
Change case（301）Lower face offer the first filter opening（320）With the second filter opening（321）, and the first filter opening（320）With the second filter opening
（321）Equal through connection has impurity collecting box（322）, impurity collecting box（322）Sealing is hinged on purifying box（301）Lateral wall
On.
It is 2. according to claim 1 a kind of with purification function refuelling device, it is characterised in that：Second filter plate
（317）Close to shaft（309）One side connection scraper plate（319）.
It is 3. according to claim 1 a kind of with purification function refuelling device, it is characterised in that：Positioned at the blade
（310）With first filter opening（320）Between shaft（309）One fragment position is socketed with helical disk（313）.
It is 4. according to claim 1 a kind of with purification function refuelling device, it is characterised in that：The scraper plate（319）
With purifying box（301）Madial wall be obliquely installed.
It is 5. according to claim 1 a kind of with purification function refuelling device, it is characterised in that：First filter opening
（320）With the second filter opening（321）The equal detachable interposing in inside be connected to filtering net plate.
It is 6. according to claim 1 a kind of with purification function refuelling device, it is characterised in that：The blade（310）
Number there are six, and blade（310）Between angularly annular spread.
It is 7. according to claim 1 a kind of with purification function refuelling device, it is characterised in that：Second hairbrush
（314）At least 16, and the second hairbrush（314）Equidistantly distributed is in blade（310）Surface.
It is 8. according to claim 1 a kind of with purification function refuelling device, it is characterised in that：The sliding block（303）
It is slidably connected to the first filter plate（302）End face offer in guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446097.9A CN108046205B (en) | 2017-12-27 | 2017-12-27 | One kind having purification function refuelling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446097.9A CN108046205B (en) | 2017-12-27 | 2017-12-27 | One kind having purification function refuelling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108046205A true CN108046205A (en) | 2018-05-18 |
| CN108046205B CN108046205B (en) | 2019-05-21 |
Family
ID=62128192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711446097.9A Expired - Fee Related CN108046205B (en) | 2017-12-27 | 2017-12-27 | One kind having purification function refuelling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108046205B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605182A (en) * | 1995-04-20 | 1997-02-25 | Dover Corporation | Vehicle identification system for a fuel dispenser |
| CN202429995U (en) * | 2011-12-08 | 2012-09-12 | 重庆今润机电有限公司 | Precision oil cleaning and oiling machine |
| CN204324861U (en) * | 2014-12-05 | 2015-05-13 | 广州市海同机电设备有限公司 | High precision fuel filter fuel loading system |
| JP2015105105A (en) * | 2013-11-29 | 2015-06-08 | トキコテクノ株式会社 | Fuel supply device |
| CN205387472U (en) * | 2016-03-15 | 2016-07-20 | 新乡市利菲尔特滤器股份有限公司 | Filtration purification device that can quantitative oiling |
-
2017
- 2017-12-27 CN CN201711446097.9A patent/CN108046205B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605182A (en) * | 1995-04-20 | 1997-02-25 | Dover Corporation | Vehicle identification system for a fuel dispenser |
| CN202429995U (en) * | 2011-12-08 | 2012-09-12 | 重庆今润机电有限公司 | Precision oil cleaning and oiling machine |
| JP2015105105A (en) * | 2013-11-29 | 2015-06-08 | トキコテクノ株式会社 | Fuel supply device |
| CN204324861U (en) * | 2014-12-05 | 2015-05-13 | 广州市海同机电设备有限公司 | High precision fuel filter fuel loading system |
| CN205387472U (en) * | 2016-03-15 | 2016-07-20 | 新乡市利菲尔特滤器股份有限公司 | Filtration purification device that can quantitative oiling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108046205B (en) | 2019-05-21 |
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