CN101880021B - Uploading sealed liquid filling device - Google Patents
Uploading sealed liquid filling device Download PDFInfo
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- CN101880021B CN101880021B CN2010102114278A CN201010211427A CN101880021B CN 101880021 B CN101880021 B CN 101880021B CN 2010102114278 A CN2010102114278 A CN 2010102114278A CN 201010211427 A CN201010211427 A CN 201010211427A CN 101880021 B CN101880021 B CN 101880021B
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- oil
- transition conduit
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Abstract
The invention discloses an uploading sealed liquid filling device. The device comprises an upper coupling tube, wherein the upper tube orifice of the upper coupling tube is abutted with the lower tube orifice of an oil inlet tube, and the lower tube orifice of the upper coupling tube is abutted with the upper tube orifice of a lower coupling tube; the upper coupling tube is internally provided with a gas separation tube the upper tube orifice of which is abutted with the lower tube orifice of an air outlet tube, and the upper end of the air outlet tube extends out of the oil inlet tube; the lower coupling tube is internally fixed with a guide tube; the lower end of the guide tube is fit with the upper end face of the gas separation tube; a first oil passing hole is arranged between every two adjacent connecting strips; the lower part of the guide tube is fixedly sheathed with a fielded panel; an oil passing seat is arranged above the fielded panel; and a resetting mechanism is arranged between the oil passing seat and the connecting strip; and the guide tube is internally provided with an inner tube, the upper part of the periphery of the inner tube is provided with a first step which is fit with the inner wall of the guide tube, and the lower part of the tube wall of the inner tube is provided with a gas passing hole. The invention has simple structure and convenient manufacture, can recover gas while filling liquid, effectively avoids environmental pollution and has high reliability.
Description
Technical field
The invention belongs to the liquid loading and unloading equipment technical field, specifically, relate to uploading sealed liquid filling device.
Background technology
At present, domestic extensive employing oil filling riser is to poisonous, the highly volatile liquid dielectric of slot train car or transportation tank loading and unloading, and the oil outlet end of oil filling riser is connected with uploading sealed device, and this uploading sealed device generally is provided in the petrol service station.Because there is the volatilization phenomenon in most liquid dielectrics particularly light oil (like gasoline),, in the loading and unloading liquid dielectric, need reclaim the gas that vapors away in order to prevent the pollution of the environment, avoid waste resource.The inventor in first to file a kind of oil filling riser use the magnetic obturator, it comprises magnetic shrouding and sleeve pipe, is installed with sleeve pipe in the centre hole of magnetic shrouding; On this magnetic shrouding, be embedded with the magnet steel that is circle distribution; On the said sleeve pipe above the said magnetic shrouding, be installed with upper sealing plate, this upper sealing plate is connected through wrinkle shape leather bag with said magnetic shrouding, and this leather bag is sleeved on the said sleeve pipe; Said upper sealing plate is provided with the gas recovery mouth, and this gas recovery mouth communicates with leather bag.The function that liquids and gases reclaim though it can realize annotating simultaneously, main still for the bit shift compensation problem of the jar that solves tank car mouthful; And the leather bag life-span is short, very easily damage, will cause leaking after leather bag damages, thereby cause the reliability of conventional apparatus relatively poor.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of reliability uploading sealed liquid filling device preferably, reclaims to realize the filling liquids and gases simultaneously.
Technical scheme of the present invention is following: a kind of uploading sealed liquid filling device; Its key is: comprise oil inlet, freeing pipe and upper and lower transition conduit; The upper orifice of wherein going up transition conduit docks with said oil inlet lower nozzle, and lower nozzle of transition conduit docks with the upper orifice of following transition conduit on this, in last transition conduit, is provided with the gas separator tube; The upper orifice of this gas separator tube docks with said freeing pipe lower nozzle, and the upper end of this freeing pipe passes the side pipe wall of oil inlet; Be fixed with guide pipe through connecting strap in the transition conduit down said, and be formed with first oil-through hole between adjacent two connecting straps; Fit in pipe separated from the gas lower surface, the upper surface of said guide pipe; Bottom at guide pipe is installed with panelling, above panelling, is provided with font, and this is crossed font and comprises outer tube and interior cover; The cover kink is on guide pipe wherein; And should interiorly overlap in connecting strap is fixed on outer tube, between this connecting strap and said connecting strap, be provided with Bringing-back mechanism, the outer wall of said outer tube contacts with following transition conduit inwall; And being provided with horizontal projection in the outer wall bottom of outer tube, the outer end of this horizontal projection is positioned at the outside of transition conduit and panelling down; In said guide pipe, be provided with interior pipe, pipe communicates with said gas separator tube and freeing pipe in this, and the tube wall bottom of pipe has air passing hole in said.
The present invention is arranged in the petrol service station, and the oil inlet of this device links to each other with oil filling riser, and freeing pipe links to each other with gas concentration unit, on train tank car or transportation tank, is provided with dress enclosed liquid filling device down, and this lower device and this device mate fully, and supporting use.When train tank car or transportation tank leave in the petrol service station filling liquid; This device and said dress enclosed liquid filling device down are assembled together, and this adorns the font of crossing that enclosed liquid filling device upwards promotes this device at present, gets through oil duct; Liquid dielectric (like gasoline) flows to the said enclosed liquid filling device of dress down through fuel filler pipe, first oil-through hole and mistake font; Be filled on train tank car or the transportation tank, simultaneously, the gas that vapors away is through adorning interior pipe, gas separator tube and the freeing pipe of enclosed liquid filling device and this device down; Evaporate into the gas concentration unit that links to each other with freeing pipe, be recycled.Adopt above technical scheme, this device can carry out gas recovery in filling liquid (like gasoline), can effectively prevent the pollution of the environment, the resource that avoids waste, and not only can be used for the liquid of annotating, and can also promote the use in other liquid dielectrics of filling.In addition; The various pipe fittings of this device are steel part, and for being rigidly connected, and there are seal ring or the sealing of O type circle in the junction of each parts between the steel part; With leakproofness, the reliability that guarantees this device, and can avoid the defective that exists with the magnetic obturator at the oil filling riser of first to file.
Said Bringing-back mechanism comprises spring, strut bar and sleeve pipe, and the top of its middle sleeve is fixed on the connecting strap, after this sleeve pipe is passed on the top of said strut bar, stretches in the gas separator tube, and the lower end of strut bar is fixed with mistake font connecting strap; At the strut bar overcoat said spring is arranged, an end of this spring leaned against on the font connecting strap, and the other end leans against on the first step of internal surface of sleeve pipe upper end.Above structure was convenient to font and was resetted, so that the time sealing oil duct that stops to annotate liquid prevents to reveal, and simple in structure, dependable performance.
In said, be provided with the hemisphere piece below the pipe, the top of this hemisphere piece is stretched in the interior pipe, and fixes through screw thread and interior pipe, has radial hole in hemisphere piece bottom, has axial hole in the center of hemisphere piece, and this axial hole communicates with said radial hole; In said, vertically be provided with the probe pipe in the pipe; The lower nozzle of this probe pipe communicates with said axial hole, is provided with second step in the bottom of probe pipe excircle, and this second step is stuck between hemisphere piece and the 3rd step; The inwall bottom of pipe in the 3rd step is located at, and be positioned at said air passing hole below.In said probe pipe, liquid-level probe can be installed, the cable of this liquid-level probe reaches the external world from the through hole on the freeing pipe tube wall, and links to each other with liquid filling device.When filling it up with oil soon; Liquid dielectric can be in radial hole and axial hole flow direction probe pipe; And touch liquid-level probe, after this liquid-level probe detects this signal, give the liquid apparatus for filling with this signal feedback through cable; Make liquid filling device stop the liquid of annotating, and then prevent that liquid dielectric from overflowing outside train tank car or transportation tank.
As optimization, said transition conduit, connecting strap and guide pipe down are made of one the formula structure.
For firm fixation gas separator tube, outside said gas separator tube, be distributed with mounting bar, the outer end of this mounting bar is fixed on the transition conduit inwall, and is formed with second oil-through hole between adjacent two mounting bars, and this second oil-through hole communicates with said first oil-through hole.
As optimization, said transition conduit, gas separator tube and the mounting bar gone up is made of one the formula structure.
Between said Oil-gas Separation pipe and guide pipe, being provided with annular slab, fits in the upper face of this annular slab and Oil-gas Separation pipe lower surface, and fit in the upper surface of its lower face and guide pipe, and the edge of this annular slab is stuck on the 4th step of transition conduit inwall lower end; The central through hole of said annular slab is positioned at the Oil-gas Separation pipe, on the annular slab around this through hole, has oil through, and this oil through communicates with said first and second oil-through hole, and said annular slab is mainly used in fixing interior pipe.
For the said interior pipe of firm fixation, the top of pipe excircle is provided with the 5th step in said, and the 5th step and said annular slab lower face are fitted, and the upper end of interior pipe is stretched in the gas separator tube, and is set with circular nut in the upper end of interior pipe.
Beneficial effect: the present invention is simple in structure, easy to make, and filling can be carried out gas recovery liquid the time, has effectively avoided contaminated environment, waste resource, and good airproof performance, reliability are high, long service life.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a birds-eye view of going up transition conduit 3 among Fig. 1.
Fig. 3 is the birds-eye view of following transition conduit 4 among Fig. 1.
Fig. 4 is the upward view of following transition conduit 4 among Fig. 1.
Fig. 5 is a birds-eye view of crossing font 10 among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Shown in Fig. 1～5; The present invention is by component set-ups such as oil inlet 1, freeing pipe 2, last transition conduit 3, following transition conduit 4, gas separator tube 5, connecting strap 6 and guide pipes 7; The upper orifice of wherein going up transition conduit 3 docks with the lower nozzle of said oil inlet 1; And fixing through welding, the upper orifice of oil inlet 1 docks fixing with the lower nozzle of connection pipe 23, and the upper orifice of connection pipe 23 links to each other with oil filling riser (not drawing among the figure); And connection pipe 23 movable installations have so just solved the bit shift compensation problem that causes because of gravity in passing.The bottom of transition conduit 3 excircles is provided with installation step 3a down on said, and the top correspondence of following transition conduit 4 excircles is provided with installation step 4a.The said lower nozzle of going up transition conduit 3 is with after the upper orifice of following transition conduit 4 dock, last installation step 3a and following installation step 4a applying, and the screw (not marking among the figure) of warp setting is from top to bottom fixed.For the ease of this device and said dress enclosed liquid filling device down are assembled together, outside last transition conduit 3, be set with handle nut 24, the lower end of this handle nut 24 leans against on the said installation step 3a down.Vertically have four breach 25 in the said tube wall lower end of transition conduit 4 down, these four breach, 25 edges are the circumferential rectangular distribution of transition conduit 4 down.
From Fig. 1～5, can find out; On said, be provided with gas separator tube 5 in the transition conduit 3; Be evenly distributed with four mounting bars 18 outside this gas separator tube 5; The outer end of these four mounting bars 18 is fixed on transition conduit 3 inwalls, and is formed with second oil-through hole 19 between adjacent two mounting bars 18, and this second oil-through hole 19 is an arcuate structure.As optimization, said transition conduit 3, gas separator tube 5 and the mounting bar 18 gone up is made of one the formula structure at present.The upper orifice reducing of said gas separator tube 5, the lower nozzle of freeing pipe 2 docks the upper orifice of gas separator tube 5, and inserts in the said reducing, and is fixing through welding at last.After the through hole on oil inlet 1 tube wall top is passed in the upper end of said freeing pipe 2, stretch out outside the oil inlet 1, and link to each other with gas concentration unit (not drawing among the figure).
From Fig. 1～5, can further find out; In said transition conduit 4 down, be provided with guide pipe 7 through four connecting straps 6; These four connecting straps 6 are evenly distributed on outside the guide pipe 7; Be formed with first oil-through hole 8 between adjacent two connecting straps 6, this first oil-through hole 8 is an arcuate structure, and communicates with said second oil-through hole 19.As optimization, said transition conduit 4, connecting strap 6 and guide pipe 7 down are made of one the formula structure.Between guide pipe 7 and said gas separator tube 5, be provided with annular slab 20; Fit in the lower surface of the upper face of this annular slab 20 pipe 5 separated from the gas; Fit in the upper surface of the lower face of annular slab 20 and guide pipe 7, and the edge of annular slab 20 is stuck on the 4th step (not marking among the figure) of transition conduit 3 inwall lower ends.Said annular slab 20 central through holes are positioned at gas separator tube 5, and on the annular slab 20 around this through hole, have oil through 21, and this oil through 21 is an arcuate structure, and communicates with said first and second oil-through hole 8,19.The lower face applying of the 5th step 12c and the annular slab 20 on pipe 12 tops in said, and the upper end of interior pipe 12 stretches in the gas separator tube 5, and be set with circular nut 22 in the upper end of interior pipe 12.
From Fig. 1～5, also can further find out; Be installed with annular panelling 9 in the bottom of said guide pipe 7; The diameter of this panelling 9 is identical with the external diameter of following transition conduit 4; And being provided with step (not marking among the figure) at the edge of panelling 9 upper faces, fit in the lower surface of the upper surface of this step and said transition conduit 4 down.Above said panelling 9, be provided with font 10; This is crossed font 10 and comprises outer tube 10a and interior cover 10b, and wherein interior cover 10b kink is on guide pipe 7, and four connecting strap 10c of warp are fixed in the outer tube 10a; Overlap outside the 10b in these four connecting strap 10c are evenly distributed on; Be formed with oil-through hole 26 between the adjacent two connecting strap 10c, this oil-through hole 26 is an arcuate structure, and communicates with said first oil-through hole 8.Be provided with Bringing-back mechanism said the mistake between font connecting strap 10c and the connecting strap 6.The said outer wall of crossing font outer tube 10a contacts with following transition conduit 4 inwalls; Be evenly distributed with four horizontal projections 11 in the outer wall bottom of outer tube 10a; The outer end of these four horizontal projections 11 is positioned at the said outside of transition conduit 4, panelling 9 down; And this horizontal projection 11 snaps in down in the breach 25 of transition conduit 4 lower ends, with circumferentially spacing to crossing font 10.When this device and the said enclosed liquid filling device of dress down are assembled together; Horizontal projection 11 is pushed upwardly; And then drove font 10 and moved up; Get through oil duct, liquid dielectric flows to down in the dress enclosed liquid filling device through said oil-through hole 26 places, finally is filled in train tank car or the transportation tank.
As shown in Figure 1, said Bringing-back mechanism comprises spring 13, strut bar 14 and sleeve pipe 15, and the top of its middle sleeve 15 is fixed on the connecting strap 6.After sleeve pipe 15 is passed in the upper end of said strut bar 14, stretch in the gas separator tube 5, the lower end of strut bar 14 and the said font connecting strap 10c that crosses fix.At strut bar 14 overcoats said spring 13 is arranged, an end of this spring 13 leaned against on the font connecting strap 10c, and the other end leans against on the second step 15a of sleeve pipe 15 inwalls upper end.After filling liquid is accomplished; This device and the said enclosed liquid filling device of dress are down separated; The said font 10 of crossing moves down, automatically resets under the effect of Bringing-back mechanism, and fits with the upper face of said panelling 9; The sealing oil duct, thus the liquid dielectric of avoiding being retained in this device is leaked to the external world.
As shown in Figure 1, pipe 12 in said guide pipe 7 internal fixation have, pipe 12 communicates with said gas separator tube 5 and freeing pipe 2 in this.The upper outer circumference of pipe 12 is provided with the 5th step 12c in said, and the 5th step 12c contacts with guide pipe 7 inwalls.The tube wall bottom of pipe 12 has air passing hole 12a in said, and interior pipe 12 inwalls of this air passing hole 12a below are provided with the 3rd step 12b.In said pipe 12 below be provided with hemisphere piece 16, in the top of this hemisphere piece 16 is stretched in the pipe 12, and fix through screw thread and interior pipe 12.Have radial hole 16a in the bottom of hemisphere piece 16, the center of hemisphere piece 16 has axial hole 16b, and this axial hole 16b communicates with said radial hole 16a.In said, be provided with probe pipe 17 in the pipe 12, the lower nozzle of probe pipe 17 communicates with said axial hole 16b.Bottom at probe pipe 17 excircles is provided with second step 17a, and this second step 17a is stuck between hemisphere piece 16 and said the 3rd step 12b.Above said probe pipe 17, be provided with and press nut 25; Nut 26 is equipped with on the top of this pressure nut 25; Press the bottom of nut 25 to stretch in the probe pipe 17, and fixing with probe pipe 17, and said pressure nut 25, nut 26 are used for fixing the cable that liquid-level probe is installed through screw thread.Liquid-level probe (not drawing among the figure) can be installed in said probe pipe 17, and after the cable of this liquid-level probe was fixed by said pressure nut 25 and nut 26, the through hole from freeing pipe 2 tube walls reached the external world, and links to each other with liquid filling device.When filling it up with oil soon; Liquid dielectric can flow in the probe pipe 17 through radial hole 16a and axial hole 16b; And touch liquid-level probe, after this liquid-level probe detects this signal, give the liquid apparatus for filling with this signal feedback through cable; Make liquid filling device stop the liquid of annotating, and then prevent that liquid dielectric from overflowing outside train tank car or transportation tank.
The present invention is arranged in the petrol service station, and the oil inlet 1 of this device links to each other with oil filling riser, and freeing pipe 2 links to each other with gas concentration unit, on train tank car or transportation tank, is provided with dress enclosed liquid filling device down, and this device matees with this device fully, and supporting use.When train tank car or transportation tank leave in the petrol service station filling liquid; This device and said dress enclosed liquid filling device down are assembled together; During installation, said following dress enclosed liquid filling device upwards promotes the font 10 excessively of this device, gets through oil duct; Liquid dielectric through connection pipe 23, fuel filler pipe 1, go up transition conduit 3, second oil-through hole 19, oil through 21, first oil-through hole 8, transition conduit 4 and the oil-through hole 26 of crossing font stream be to the said enclosed liquid filling device of dress down down; Be filled on train tank car or the transportation tank, simultaneously, the gas that vapors away is through adorning interior pipe air passing hole 12a, interior pipe 12, gas separator tube 5 and the freeing pipe 2 of enclosed liquid filling device and this device down; Finally evaporate into gas concentration unit that this freeing pipe 2 links to each other in, be recycled.Adopt above technical scheme, this device can carry out gas recovery in filling liquid, can effectively prevent the pollution of the environment, the resource that avoids waste, and can promote the use in other liquid dielectric of filling; In addition; The various pipe fittings of this device are steel part, and for being rigidly connected, and there are seal ring or the sealing of O type circle in the junction of each parts between the steel part; With leakproofness, the reliability that guarantees this device, and can avoid the defective that exists with the magnetic obturator at the oil filling riser of first to file.
The above is merely preferred embodiment of the present invention, is not restriction with the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. uploading sealed liquid filling device; It is characterized in that: comprise oil inlet (1), freeing pipe (2) and upper and lower transition conduit (3,4); The upper orifice of wherein going up transition conduit (3) docks with said oil inlet (1) lower nozzle; The lower nozzle that should go up transition conduit (3) docks with the upper orifice of following transition conduit (4); In last transition conduit (3), be provided with gas separator tube (5), the upper orifice of this gas separator tube (5) docks with said freeing pipe (2) lower nozzle, and the upper end of this freeing pipe (2) passes the side pipe wall of oil inlet (1); Be fixed with guide pipe (7) through connecting strap (6) in the transition conduit (4) down said, and be formed with first oil-through hole (8) between adjacent two connecting straps (6); Be installed with panelling (9) in the bottom of said guide pipe (7); Be provided with font (10) in the top of panelling (9); This is crossed font (10) and comprises outer tube (10a) and interior cover (10b), wherein in the cover (10b) kink on guide pipe (7), and should in the cover (10b) in connecting strap (10c) is fixed on outer tube (10a); Between this connecting strap (10c) and said connecting strap (6), be provided with Bringing-back mechanism; The outer wall of said outer tube (10a) contacts with following transition conduit (4) inwall, and is provided with horizontal projection (11) in the outer wall bottom of outer tube (10a), the outside of transition conduit (4) and panelling (9) under the outer end of this horizontal projection (11) is positioned at; In said guide pipe (7), be provided with interior pipe (12), pipe (12) communicates with said gas separator tube (5) and freeing pipe (2) in this, and the tube wall bottom of pipe (12) has air passing hole (12a) in said.
2. uploading sealed liquid filling device according to claim 1; It is characterized in that: said Bringing-back mechanism comprises spring (13), strut bar (14) and sleeve pipe (15); The top of its middle sleeve (15) is fixed on the connecting strap (6); After this sleeve pipe (15) is passed on the top of said strut bar (14), stretch in the gas separator tube (5), the lower end of strut bar (14) is with font connecting strap (10c) is fixing excessively; At strut bar (14) overcoat said spring (13) is arranged, an end of this spring leaned against on the font connecting strap (10c), and the other end leans against on the first step (15a) of sleeve pipe (15) inwall upper end.
3. uploading sealed liquid filling device according to claim 1; It is characterized in that: pipe (12) below is provided with hemisphere piece (16) in said; The top of this hemisphere piece is stretched in the interior pipe (12), and fixing through screw thread and interior pipe (12), has radial hole (16a) in hemisphere piece (16) bottom; Have axial hole (16b) in the center of hemisphere piece (16), this axial hole communicates with said radial hole (16a); In said, vertically be provided with probe pipe (17) in the pipe (12); The lower nozzle of this probe pipe communicates with said axial hole (16b); Bottom at probe pipe (17) excircle is provided with second step (17a); This second step is stuck between hemisphere piece (16) and the 3rd step (12b), and the 3rd step (12b) is located at the inwall bottom of interior pipe (12), and is positioned at said air passing hole (12a) below.
4. uploading sealed liquid filling device according to claim 1 is characterized in that: said transition conduit (4), connecting strap (6) and guide pipe (7) down are integral structure.
5. uploading sealed liquid filling device according to claim 1; It is characterized in that: outside said gas separator tube (5), be distributed with mounting bar (18); The outer end of this mounting bar is fixed on transition conduit (3) inwall; And be formed with second oil-through hole (19) between adjacent two mounting bars (18), this second oil-through hole communicates with said first oil-through hole (8).
6. uploading sealed liquid filling device according to claim 5 is characterized in that: said upward transition conduit (3), gas separator tube (5) and mounting bar (18) are integral structure.
7. according to claim 4 or 6 described uploading sealed liquid filling devices; It is characterized in that: between said gas separator tube (5) and guide pipe (7), be provided with annular slab (20); Fit in the upper face of this annular slab pipe separated from the gas (5) lower surface; Fit in the upper surface of its lower face and guide pipe (7), and the edge of this annular slab (20) is stuck on the 4th step of transition conduit (3) inwall lower end; The through hole of said annular slab (20) central authorities is positioned at gas separator tube (5), on the annular slab (20) around this through hole, has oil through (21), and this oil through (21) communicates with said first and second oil-through hole (8,19).
8. uploading sealed liquid filling device according to claim 7; It is characterized in that: the top of pipe (12) excircle is provided with the 5th step (12c) in said; The 5th step (12c) is fitted with said annular slab (20) lower face; The upper end of interior pipe (12) is stretched in the gas separator tube (5), and is set with circular nut (22) in the upper end of interior pipe (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102114278A CN101880021B (en) | 2010-06-28 | 2010-06-28 | Uploading sealed liquid filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102114278A CN101880021B (en) | 2010-06-28 | 2010-06-28 | Uploading sealed liquid filling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101880021A CN101880021A (en) | 2010-11-10 |
| CN101880021B true CN101880021B (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102114278A Expired - Fee Related CN101880021B (en) | 2010-06-28 | 2010-06-28 | Uploading sealed liquid filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101880021B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234038A (en) * | 1991-09-27 | 1993-08-10 | Briggs & Stratton Corporation | Pour spout |
| CA2442385A1 (en) * | 2003-10-02 | 2005-04-02 | Stu Hittle | Liquid transfer device |
| CN200999141Y (en) * | 2007-01-16 | 2008-01-02 | 重庆耐德工业股份有限公司 | Opening sealing device for crane tube |
| CN101417781A (en) * | 2007-10-26 | 2009-04-29 | 东京应化工业株式会社 | Dispensing device and dispensing method of liquid medicine |
| CN201737688U (en) * | 2010-06-28 | 2011-02-09 | 中国石油化工股份有限公司上海石油分公司 | Top-entry closed oiling device |
-
2010
- 2010-06-28 CN CN2010102114278A patent/CN101880021B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234038A (en) * | 1991-09-27 | 1993-08-10 | Briggs & Stratton Corporation | Pour spout |
| CA2442385A1 (en) * | 2003-10-02 | 2005-04-02 | Stu Hittle | Liquid transfer device |
| CN200999141Y (en) * | 2007-01-16 | 2008-01-02 | 重庆耐德工业股份有限公司 | Opening sealing device for crane tube |
| CN101417781A (en) * | 2007-10-26 | 2009-04-29 | 东京应化工业株式会社 | Dispensing device and dispensing method of liquid medicine |
| CN201737688U (en) * | 2010-06-28 | 2011-02-09 | 中国石油化工股份有限公司上海石油分公司 | Top-entry closed oiling device |
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| Publication number | Publication date |
|---|---|
| CN101880021A (en) | 2010-11-10 |
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