CN105201928A - Fluid drawing conveying device with flow splitting structure - Google Patents
Fluid drawing conveying device with flow splitting structure Download PDFInfo
- Publication number
- CN105201928A CN105201928A CN201410267792.9A CN201410267792A CN105201928A CN 105201928 A CN105201928 A CN 105201928A CN 201410267792 A CN201410267792 A CN 201410267792A CN 105201928 A CN105201928 A CN 105201928A
- Authority
- CN
- China
- Prior art keywords
- air
- outlet hole
- air outlet
- pumping
- fluid device
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 30
- 238000005516 engineering process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention provides a fluid drawing conveying device with a pressure reducing structure. When the fluid drawing conveying device carries out discharging work on fluid in a container, an air outlet end of the fluid drawing conveying device is maintained to be communicated with the atmosphere and is not completely sealed so that high-pressure air entering the fluid drawing conveying device can form pressurizing split flow and discharging split flow, and the discharging split flow is led into the atmosphere through the air outlet end.
Description
Technical field
The present invention is relevant with pneumatic tool technology, particularly about a kind of fluid device for drawing-in and pumping-out of tool shunting structure.
Background technique
Press, the fluid device for drawing-in and pumping-out developed based on venturi principle, in known technology, existing many different concrete technology contents are disclosed, for example there is the fluid device for drawing-in and pumping-out disclosed by case before TaiWan, China No. 089222099 new patent, it provide in particular and controls the flow path of gas in Venturi tube, thus provide the use effect can inhaled and can arrange, and significantly promote the convenience in operation.
And then, the angle of industrial safety is conceived in case before TaiWan, China No. 098222559 new patent, with regard to aforementioned known fluid device for drawing-in and pumping-out for further to improve, with the using state in response to known fluid device for drawing-in and pumping-out, change the flow of external high pressure gas influent stream, when carrying out external fluid to suck internal tank with known fluid device for drawing-in and pumping-out, control can not be imposed to the influent stream amount of outside pressurized gas, and make larger influent stream speed and influent stream amount provide preferably suction, but when carrying out internal tank fluid to discharge with existing fluid device for drawing-in and pumping-out, then need the influent stream amount limiting external high pressure gas, avoid internal tank entering because of moment a large amount of gas, container inner fluid is caused to discharge not as good as and make accumulated gases in container, container is made to produce the situation of dilatancy, slow down the speed that container inner fluid is discharged simultaneously, in addition, the explosion avoiding container with safety valve is had in case before this new patent.
Before open the solid influent stream amount controlling pressurized gas by influent stream end of improving technology, but on general use, on to drive between fluid device for drawing-in and pumping-out and high-pressure air source the regulating mechanism that air pressure is not additionally set usually, therefore, vertical flow pressurized gas being entered internal tank gives limit, the gas pressure entering internal tank is still very high, and the expansion status of container cannot be avoided completely to occur, vertical its has been provided with safety valve in order to pressure release, but the startup of safety valve is need more than the lowest starting pressure of a setting, when not yet reaching this breakout pressure, this safety valve can't start, and the expansion status of container cannot be avoided to produce, these containers are generally with made by macromolecular material in addition, after permanent use, before open the reexpansion situation that improving technology still exists, namely mean that container itself is still subject to External Force Acting repeatedly, the intensity of easy attenuating container itself, and easily derive the situation of breaking, and still have the necessity improved, and when the force value of this internal tank is positioned near this lowest starting pressure value, because the pressure in container not immobilizes, therefore, also this safety valve will be caused to start repeatedly, close, and impact uses.
Summary of the invention
The object of this invention is to provide a kind of fluid device for drawing-in and pumping-out of tool decompression configuration, it makes fluid device for drawing-in and pumping-out when carrying out container inner fluid and discharging operation, an outlet side of fluid device for drawing-in and pumping-out is kept to be communicated with maintaining between air, make this outlet side in not exclusively closing, make the pressurized gas formation one pressurization shunting and entering this fluid device for drawing-in and pumping-out inside discharge according to this to shunt, and this discharge shunting is directed in air via this outlet side.
For achieving the above object, the present invention takes following technological scheme:
The fluid device for drawing-in and pumping-out of tool shunting structure provided by the present invention, its main technical characteristics is on the position, outlet side of known fluid device for drawing-in and pumping-out, the drainage channel that gas can be directed in air is additionally set, specifically, it is textural includes a container, there is an enclose inside room, a material entrance, in order to be communicated with inside and outside this room; One pressure difference generating unit, is located on this container, has an air inlet end and an outlet side, the pressure difference generating piece of a hollow, and between this air inlet end and this outlet side, a passage, is communicated with this pressure difference generating piece and this room; One choke portion, is located in this pressure difference generating unit, and can close and a displacement between the open position start in a resistance; One air input part, is located on this container, and is connected with this air inlet end, in order to be connected with the delivery line of external high pressure gas, to form the flow passage that external high pressure gas enters this air inlet end; Its feature is then, this choke portion is positioned at this resistance when closing on position, and this outlet side is closed in resistance completely, and this outlet side is communicated with air with some; Accordingly, when this choke portion be positioned at this resistance close on position time, the external high pressure gas entered by this air inlet end is split into a pressurization shunting and discharges shunt with one, this pressurization is shunted and enters in this room via this pressure difference generating unit, and this discharge shunting is escaped in air via this outlet side.
Further, this outlet side can be single poroid gas flow channel, also can be the gas flow channel of plural number, and this choke portion closes the mobile route between position and this open position in this resistance, can be and move relative to this stomidium axle reciprocal axle axially of giving vent to anger, also can be relative to the reciprocating rotation in this outlet side radial direction.
Further, when this outlet side is single poroid gas flow channel and this choke portion carries out radial rotating, this choke portion can be made to have a pivot, one sheet is turned and is positioned at axial one end of this pivot, and amplexiform on all sides, aperture of this outlet side so that side is unilateral, and can this pivot be that axle closes pivotable start between position in this enable possition and this resistance.
Wherein, this choke portion more includes a breach, is located on this turns, when this turn be positioned at this resistance close on position time, make interlaced with each other and landform of the occuring simultaneously headroom in a row of this exhaust breach and this aperture, outlet side, flow to air for this discharge point transpiration.
Wherein, the another end aperture of this outlet side and this breach are respectively in fan-shaped.
Further, when this outlet side is single poroid gas flow channel and this choke portion moves axially, this choke portion can be made to have an axle plug, the aperture of this outlet side is coaxially opposite in one end, and axially can close position countershaft in this enable possition and this resistance along self and move, when being positioned at this resistance and closing on position, be connected to the aperture of this outlet side with one end, and block one of this aperture, outlet side.
Wherein, this choke portion has more an exhaust breach, is located on one end of this axle plug, when this axle plug be positioned at this resistance close on position time, one end of this axle plug abuts the aperture closing this outlet side, and this exhaust breach is then communicated with this outlet side and air.
Further, when this outlet side is the poroid gas flow channel of plural number, this outlet side can be made to have an air outlet hole, and one aperture be less than the exhaust port of this air outlet hole, when this choke portion be positioned at this resistance close on position time, close the aperture of this air outlet hole, and this exhaust port be communicated with air.
The invention has the beneficial effects as follows: the fluid device for drawing-in and pumping-out of tool decompression configuration provided by the present invention, it makes fluid device for drawing-in and pumping-out when carrying out container inner fluid and discharging operation, an outlet side of fluid device for drawing-in and pumping-out is kept to be communicated with maintaining between air, make this outlet side in not exclusively closing, make the pressurized gas formation one pressurization shunting and entering this fluid device for drawing-in and pumping-out inside discharge according to this to shunt, and this discharge shunting is directed in air via this outlet side.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the present invention first preferred embodiment.
Fig. 2 is the combination stereogram of the present invention first preferred embodiment.
Fig. 3 is the sectional view of the present invention first preferred embodiment along a-a secant in Fig. 2, and wherein, this choke portion is positioned on this enable possition.
Fig. 3 A is the enlarged diagram along A place in Fig. 3.
Fig. 4 is the sectional view of the present invention first preferred embodiment along a-a secant in Fig. 2, and wherein, this choke portion is positioned at this resistance and closes on position.
Fig. 4 A is the enlarged diagram along B place in Fig. 4.
Fig. 5 is the exploded perspective view of the present invention second preferred embodiment.
Fig. 6 is the combination stereogram of the present invention second preferred embodiment.
Fig. 7 is the sectional view of the present invention second preferred embodiment along b-b secant in Fig. 6, and wherein, this choke portion is positioned on this enable possition.
Fig. 7 A is the enlarged diagram along C place in Fig. 7.
Fig. 8 is the choke facial planes schematic diagram of the present invention second preferred embodiment, and wherein, this choke portion is positioned on this enable possition.
Fig. 9 is the sectional view of the present invention second preferred embodiment along b-b secant in Fig. 6, and wherein, this choke portion is positioned at this resistance and closes on position.
Fig. 9 A is the enlarged diagram along D place in Fig. 9.
Figure 10 is the choke facial planes schematic diagram of the present invention second preferred embodiment, and wherein, this choke portion is positioned at this resistance and closes on position.
Drawing reference numeral: 10,10 ': the fluid device for drawing-in and pumping-out of tool shunting structure; 20,20 ': container; 21: stack shell; 22: cover; 23: room; 24: material entrance; 30,30 ': pressure difference generating unit; 31: pressure difference generating elements; 32: air inlet end; 33,33 ': outlet side; 331,331 ': air outlet hole; 332: end cap; 34: passage; 40,40 ': choke portion; 41: axle plug; 41 ': pivot; 42: exhaust breach; 42 ': turn; 43 ': tommy bar; 44 ': breach; 45 ': exhaust space; 50,50 ': air input part; A: air-flow; A1: pressurization shunting; A2: discharge shunting.
Embodiment
First, refer to shown in Fig. 1 to Fig. 4 and Fig. 4 A, in the present invention first preferred embodiment the fluid device for drawing-in and pumping-out 10 of tool shunting structure is provided, identical with front opening No. 098222559 new patent institute person of taking off, but difference be in the present embodiment the shunting structure of exposure to be belonged to before this new patent case institute without person, specifically, the fluid device for drawing-in and pumping-out 10 of this tool shunting structure consists predominantly of container 20, pressure difference generating unit 30, choke portion 40 and an air input part 50.
This container 20 has the stack shell 21 of a hollow tip transmission, one cover 22 this stack shell 21 open-topped can closed, in order to do the open-topped to be closed this stack shell 21 by this cover 22, make this stack shell 21 internal capacity room 23 in closing, the material entrance 24 of a tubulose is communicated with inside and outside this room 23.
This pressure difference generating unit 30 is located on this cover 22, there is a hollow pressure difference generating elements 31 formed with Venturi tube, be located in this cover 22, one air inlet end 32 and an outlet side 33 are divided on this cover 22, and it is outside with this cover 22 to be communicated with this pressure difference generating elements 31 separately, one passage 34, is located on this cover 22 in order to be communicated with this pressure difference generating elements 31 and this room 23.
This choke portion 40 is located in this pressure difference generating unit 30, and it is adjacent corresponding with this outlet side 33, in order to control the connected state between this outlet side 33 and air, and can hinder in an enable possition and one and close start between position, generally speaking, when being positioned on this enable possition, as namely as shown in Fig. 3, Fig. 3 A, this choke portion 40 does not interfere this outlet side 33 and being communicated with between air, and gas all can be flowed between space and air in this outlet side 33.
This air input part 50 in a tubular form, and is communicated with this air inlet end 32, in order to be connected with the delivery line of external high pressure source of the gas, in order to form flow channel, the gas of external high pressure source of the gas is entered in this pressure difference generating elements 31 via this air inlet end 32.
Above-mentioned illustrated person belongs to published known technology content, real in carrying out excessive explanation more in the present embodiment, is only to illustrate as above outline.
Then will illustrate namely belong to the technology of the present invention feature part, specifically:
This outlet side 33 has the air outlet hole 331 of a circular hole, axle one end, hole is communicated with this pressure difference generating elements 31, another end aperture is then positioned at the side of this cover 22, be communicated with in order to do with air in open shape, the end cap 332 of one tubular is located on this cover 22 with opening end, and is positioned at the outside in this air outlet hole 331 another end aperture.
This choke portion 40 has the axle plug 41 of a screw shaped, spiral shell to be located on this end cap 332 and coaxially corresponding with the another end aperture of this air outlet hole 321 with one end, and axially can close reciprocal axle between position in this enable possition and this resistance along self and move start, one exhaust breach 42 is located on one end of this axle plug 41, accordingly, deserve axle plug 41 to be positioned at this resistance and to close on position, and be closely against on this air outlet hole 331 another end aperture with axial one end, while it blocks this air outlet hole 331, this exhaust breach 42 is communicated with this air outlet hole 331 another end aperture and air, and as shown in Figure 4 as, though the gas being positioned at this air outlet hole 331 is subject to the stop of this axle plug 41, but still can flow in air via this exhaust breach 42 ease.
By the composition of above-mentioned component, the fluid device for drawing-in and pumping-out 10 of this tool shunting structure is when carrying out external fluid being drawn the operation of takeing in into this room 23 inside, as as shown in Fig. 3, Fig. 3 A, this choke portion 40 is made to be positioned on this enable possition, then external high pressure gas from this air inlet end 32 via this pressure difference generating elements 31, during from this outlet side 33 jet flow to air, the low static pressure district that this pressure difference generating elements 31 is formed can make the pressure in this room 23 reduce, thus can obtain a suction and drawn by the fluid of outside and take in this room 23.
And when the fluid device for drawing-in and pumping-out 10 of this tool shunting structure is when carrying out the operation outwards pushed by the fluid of this room 23 inside, making this choke portion 40 be positioned at this resistance closes on position, accordingly, then external high pressure gas is when this air inlet end 32 enters this pressure difference generating elements 31, because major part is closed by resistance in this outlet side 33, the flow direction of gas is caused to be changed, venturi-effect cannot be produced, the air-flow a then entering this pressure difference generating elements 31 is split into a pressurization shunting a1 and and discharges and shunt a2, wherein, this pressurization shunting a1 enters in this room 23 via this passage 34, to improve the air pressure in this room 23, then via this exhaust breach 42, ease flow in air this discharge shunting a2, and the structure of air and this air outlet hole 331 is communicated with by this exhaust 42 breach, by atmospheric pressure automatically adjust this pressurization shunting a1 and this discharge shunt a2 flow separately, avoid too much accumulated gases in this room 23, the derivative situation that the barrel of this stack shell 21 is expanded, except can guaranteeing the intensity of this stack shell 21, also the rate of flow of fluid of discharge can be made comparatively gentle, be beneficial to use.
Continuing refers to shown in Fig. 5 to Figure 10, in the present invention second preferred embodiment the fluid device for drawing-in and pumping-out 10 ' of tool shunting structure is provided, it has the structure identical with front taking off the first preferred embodiment substantially, easy speech it, namely the fluid device for drawing-in and pumping-out 10 ' of this tool shunting structure also includes a container 20 ', pressure difference generating unit 30 ', choke portion 40 ' and air input part 50 '.
And be with the different person of this first preferred embodiment:
The air outlet hole 331 ' that this outlet side 33 ' has is in fan-shaped.
This choke portion 40 ' then has a pivot 41 ' and wears and be articulated on this end cap 332 ', one fan-shaped sheet is turned 42 ' one end being fixed in this pivot 41 ', and amplexiform on all side end faces, the another end aperture of this air outlet hole 331 ' so that side is unilateral, in order to do can this pivot 41 ' for axle and along the radial direction of this air outlet hole 331 ', reciprocally pivotable start between position is closed in this enable possition and this resistance, one tommy bar 43 ' is vertically fixed in the another end in this pivot 41 ' this end cap 332 ' outside outstanding, for force switching, this turns 42 ', one fan-shaped breach 44 ' is located at this and is turned on 42 '.
Accordingly, when this turn 42 ' be positioned on this enable possition time, as shown in Fig. 7, Fig. 7 A and Fig. 8, this breach 44 ' is made to overlap corresponding with the another end aperture of this air outlet hole 331 ', whole with this air outlet hole 331 ' another end aperture open, make gas can whole spaces of providing of this air outlet hole 331 ' as the flow channel flowing to air.
And when this turn 42 ' be positioned at this resistance close on position time, as then as shown in Fig. 9, Fig. 9 A and Figure 10, this breach 44 ' is interlaced with each other with the another end aperture of this air outlet hole 331 ', and an exhaust space 45 ' is formed in the position of occuring simultaneously each other, accordingly, this discharge shunting a2 can flow in air via this exhaust space 45 ' ease, thus obtains the identical effect of taking off with aforementioned first preferred embodiment.
It is aforementioned that to take off first and second preferred embodiment be all that the structure only having a single air outlet hole with this outlet side illustrates for it, it is by being connected on this outlet side opening partly with one end end face in this choke portion, in order to do with make the poroid outlet of this outlet side be subject to local obstruction, to reach above-mentioned object and effect, but be not limited with it in its concrete technology, its also can change as in case before No. 098222559 new patent the length in choke portion of taking off, its choke portion is made to be positioned at this resistance when closing on position, former in order to the end face in the poroid outlet of this outlet side, and be separated by between the poroid outlet of this outlet side a small gap, according to this for the ease stream of this discharge shunting, and specifically reach the technology contents of this micro-gap, then can by shortening the mode of this choke minister degree, or make it to there is suitable positioning structure to reach, all this, all should belong to the present invention answer shielded scope person.
In addition, this outlet side also non-being only limitted to only can be single air outlet hole structure, for example, also this outlet side can be made to have the air outlet hole of a larger aperture and the exhaust port of a smaller aperture due, and be communicated with this pressure difference generating elements and air respectively, accordingly, then the structure in this choke portion can be continued to use as front taken off before No. 098222559 new patent as case, this choke portion is made to be positioned at this resistance when closing on position, this air outlet hole of total blockage, and be communicated with this pressure difference generating elements and air by means of only this exhaust port, accordingly, also still can reach and the identical effect of front taking off two embodiments and taking off.
In other words; technical characteristics of the present invention be when this choke portion be positioned at this resistance close on position time; still can provide one with the communicating passage be communicated with between this this pressure difference generating elements and air; with make this air-flow a can be split into this pressurization shunting a1 and this discharge shunt a2; thus be able to the flow automatically being adjusted respectively this shunting by atmospheric pressure; guarantee component wear to reach and fluid sent with easing up; be beneficial to use; namely; all have this technical characteristics person, all should belong to this case plan to invite the scope asking protection.
Claims (10)
1. a fluid device for drawing-in and pumping-out for tool shunting structure, it is characterized in that, it comprises:
One container, has an enclose inside room, a material entrance, in order to be communicated with inside and outside this room;
One pressure difference generating unit, is located on this container, has an air inlet end and an outlet side; The pressure difference generating piece of one hollow, between this air inlet end and this outlet side; One passage, is communicated with this pressure difference generating piece and this room;
One choke portion, is located in this pressure difference generating unit, and can close and a displacement between the open position start in a resistance;
One air input part, is located on this container, and is connected with this air inlet end, in order to be connected with the delivery line of external high pressure gas, to form the flow passage that external high pressure gas enters this air inlet end;
It is characterized in that:
This choke portion is positioned at this resistance when closing on position, and this outlet side is closed in resistance completely, and this outlet side is communicated with air with some;
Accordingly, when this choke portion be positioned at this resistance close on position time, the external high pressure gas entered by this air inlet end is split into a pressurization shunting and discharges shunt with one, this pressurization is shunted and enters in this room via this pressure difference generating unit, and this discharge shunting is escaped in air via this outlet side.
2. the fluid device for drawing-in and pumping-out of tool shunting structure according to claim 1, is characterized in that, described outlet side has an air outlet hole, is communicated with described pressure difference generating elements with one end.
3. the fluid device for drawing-in and pumping-out of tool shunting structure according to claim 2, it is characterized in that, described choke portion amplexiforms on the another end aperture of described air outlet hole week side end face with side, and can to close between position in described enable possition and described resistance along the radial direction of this air outlet hole and move.
4. the fluid device for drawing-in and pumping-out of tool shunting structure according to claim 2, it is characterized in that, described choke portion has a pivot, one sheet is turned and is positioned at axial one end of described pivot, and amplexiform on all sides, the another end aperture of described air outlet hole so that side is unilateral, and can this pivot be that axle closes pivotable start between position in described enable possition and described resistance.
5. the fluid device for drawing-in and pumping-out of tool shunting structure according to claim 4, it is characterized in that, described choke portion more includes a breach, on turning described in being located at, when this turn be positioned at described resistance close on position time, make interlaced with each other and landform of the occuring simultaneously headroom in a row of described exhaust breach and described air outlet hole another end aperture, flow to air for discharge shunting ease.
6. the fluid device for drawing-in and pumping-out of tool shunting structure according to claim 5, is characterized in that, the another end aperture of described air outlet hole and described breach are respectively in fan-shaped.
7. the fluid device for drawing-in and pumping-out of tool shunting structure according to claim 2, is characterized in that, described choke portion is opposite in the another end aperture of described air outlet hole with one end, and can to close between position in described unlatching and described resistance along the axial direction of this air outlet hole and move.
8. the fluid device for drawing-in and pumping-out of tool shunting structure according to claim 7, it is characterized in that, described choke portion has an axle plug, the another end aperture of described air outlet hole is coaxially opposite in one end, and axially can close position countershaft in described enable possition and described resistance along self and move, when being positioned at this resistance and closing on position, be connected to the another end aperture of this air outlet hole with one end, and block the some in this air outlet hole another end aperture.
9. the fluid device for drawing-in and pumping-out of tool shunting structure according to claim 8, it is characterized in that, described choke portion has more an exhaust breach, be located on one end of described axle plug, when this axle plug be positioned at described resistance close on position time, one end of this axle plug abuts the another end aperture closing described air outlet hole, and described exhaust breach is then communicated with this air outlet hole and air.
10. the fluid device for drawing-in and pumping-out of the tool shunting structure according to claim 3 or 7, it is characterized in that, described outlet side more includes an exhaust port, aperture is less than described air outlet hole, and be communicated with described pressure difference generating elements with one end, when described choke portion be positioned at described resistance close on position time, close the another end aperture of this air outlet hole, and described exhaust port be communicated with air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267792.9A CN105201928B (en) | 2014-06-16 | 2014-06-16 | Has the fluid device for drawing-in and pumping-out of shunting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267792.9A CN105201928B (en) | 2014-06-16 | 2014-06-16 | Has the fluid device for drawing-in and pumping-out of shunting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105201928A true CN105201928A (en) | 2015-12-30 |
| CN105201928B CN105201928B (en) | 2018-01-12 |
Family
ID=54949805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410267792.9A Expired - Fee Related CN105201928B (en) | 2014-06-16 | 2014-06-16 | Has the fluid device for drawing-in and pumping-out of shunting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105201928B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI605195B (en) * | 2016-09-06 | 2017-11-11 | Pneumatic suction and drainage fluid conveying device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030223881A1 (en) * | 2002-05-29 | 2003-12-04 | Tien-Tsai Tseng | Manual/pneumatic oil pumping device |
| CN101021276A (en) * | 2006-02-14 | 2007-08-22 | 马宏威 | Ceramic seal gasket with large flow rate and small corner |
| CN102478028A (en) * | 2010-11-26 | 2012-05-30 | 政相工业有限公司 | Venturi tube component and manual and pneumatic dual-purpose pump containing same |
| WO2013098087A1 (en) * | 2011-12-27 | 2013-07-04 | Nuovo Pignone S.P.A | Rotary valves having sealing profiles between stator and rotor and related methods |
-
2014
- 2014-06-16 CN CN201410267792.9A patent/CN105201928B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030223881A1 (en) * | 2002-05-29 | 2003-12-04 | Tien-Tsai Tseng | Manual/pneumatic oil pumping device |
| CN101021276A (en) * | 2006-02-14 | 2007-08-22 | 马宏威 | Ceramic seal gasket with large flow rate and small corner |
| CN102478028A (en) * | 2010-11-26 | 2012-05-30 | 政相工业有限公司 | Venturi tube component and manual and pneumatic dual-purpose pump containing same |
| WO2013098087A1 (en) * | 2011-12-27 | 2013-07-04 | Nuovo Pignone S.P.A | Rotary valves having sealing profiles between stator and rotor and related methods |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI605195B (en) * | 2016-09-06 | 2017-11-11 | Pneumatic suction and drainage fluid conveying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105201928B (en) | 2018-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102478028B (en) | Venturi tube component and manual and pneumatic dual-purpose pump containing same | |
| CN102401155A (en) | Air valve set with four functions for waterproof hammer | |
| CN204877268U (en) | Brill develops integrative device | |
| US20120275944A1 (en) | Airflow passage structure of manual pump of fluid-pumping apparatus | |
| CN109336032B (en) | Isobaric filling valve | |
| CN102961932A (en) | A separate filter device | |
| CN102101385B (en) | Printer head cleaning device and method | |
| CN105782466B (en) | A kind of hydraulic control valve assemblies | |
| CN105201928A (en) | Fluid drawing conveying device with flow splitting structure | |
| CN106552788B (en) | A high pressure washer | |
| US2617414A (en) | Oxygen breathing apparatus | |
| CN105422451B (en) | The compression mechanism of rotary compressor and there is its rotary compressor | |
| CN108869436A (en) | A kind of oil distributing valve | |
| TW201427799A (en) | Fluid pumping device with flow diversion structure | |
| CN111379681A (en) | Cylinderless double acting pneumatic syringe pump | |
| CN105311979A (en) | High-flow liquid-powder mixing device | |
| CN205781909U (en) | A kind of with sealing member part automatic oiling device | |
| DE1403470A1 (en) | Motor-driven screw compressor system with control device | |
| CN102747916A (en) | Shielding door control system, shielding door device and shielding door control method | |
| CN202493716U (en) | Four-function water-hammer resistant air valve set | |
| CN203508243U (en) | Powder pump | |
| CN216800964U (en) | Connecting plug screw convenient to ventilate | |
| CN202073542U (en) | Adjustable jet water mixing device for oil well | |
| CN111137827B (en) | Liquid pressurizing, liquid taking and pressure reducing vacuum fresh-keeping device | |
| CN203248816U (en) | Valve automatic control air reservoir |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20200616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |