CN110886686B - Manual and pneumatic dual-purpose liquid pumping machine - Google Patents
Manual and pneumatic dual-purpose liquid pumping machine Download PDFInfo
- Publication number
- CN110886686B CN110886686B CN201911324673.1A CN201911324673A CN110886686B CN 110886686 B CN110886686 B CN 110886686B CN 201911324673 A CN201911324673 A CN 201911324673A CN 110886686 B CN110886686 B CN 110886686B
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- Prior art keywords
- air
- air passage
- manual
- liquid
- inflator
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- 239000007788 liquid Substances 0.000 title claims abstract description 103
- 238000005086 pumping Methods 0.000 title description 27
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000007667 floating Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 238000009434 installation 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
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/14—Pumps characterised by muscle-power operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F3/00—Pumps using negative pressure acting directly on the liquid to be pumped
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The application discloses a manual and pneumatic dual-purpose liquid extractor, which comprises: a liquid storage barrel; the upper cover is provided with a first air passage and a second air passage which are mutually independent, a first one-way valve structure is arranged at the first end of the first air passage, a negative pressure structure is arranged in the middle of the second air passage, the upper cover is also provided with a communication channel which is connected with the liquid storage barrel and the negative pressure structure, and a second one-way valve structure is arranged on the communication channel; an inflator; the piston group is arranged in the inflator in an up-down movable mode, the piston group divides the inflator into an upper space and a lower space, the upper space of the inflator is communicated with the second end of the first air passage, when the piston group moves downwards, the upper space and the lower space are not communicated, and when the piston group moves upwards, the upper space and the lower space are communicated. According to the manual and pneumatic dual-purpose liquid extractor, a switch of a manual and pneumatic operation mode is omitted, and one air passage is additionally arranged, and a one-way valve is arranged on each air passage, so that the manual operation mode and the pneumatic operation mode are simple to operate, convenient and reliable and do not interfere with each other.
Description
Technical Field
The invention relates to liquid pumping equipment, in particular to a manual and pneumatic dual-purpose liquid pumping machine.
Background
As shown in FIG. 1, the existing manual and pneumatic dual-purpose pumping unit in the market has only one air passage, and the manual and pneumatic operation modes share one air passage, so that the switching operation mode needs a switch, the switch is arranged on the upper cover of the pumping unit, the shape of the upper cover integrated with the switch is complex, the die opening difficulty is high, the assembly requirement is high, the cost is high, and the defective rate is high.
Disclosure of Invention
The invention aims at the problems, overcomes at least one defect and provides a manual and pneumatic dual-purpose liquid extractor.
The technical scheme adopted by the invention is as follows:
a hand-pneumatic dual-purpose liquid extractor, comprising:
A liquid storage barrel with an opening at the upper end;
The upper cover is hermetically arranged at the opening end of the liquid storage barrel and is provided with a liquid suction pipe joint, a first air passage and a second air passage which are mutually independent are arranged in the upper cover, a first one-way valve structure is arranged at the first end of the first air passage, air in the liquid storage barrel is enabled to enter the first air passage from the liquid storage barrel in a one-way mode through the first one-way valve structure, a negative pressure structure is arranged in the middle of the second air passage, the upper cover is also provided with a communication channel which is connected with the liquid storage barrel and the negative pressure structure, a second one-way valve structure is arranged on the communication channel, when pressurized gas is introduced into the first end of the second air passage, negative pressure is formed at the negative pressure structure, and the air in the liquid storage barrel can enter the second air passage after passing through the connection channel in a one-way and is discharged from the second end of the second air passage;
The inflator is arranged at one side of the air storage cylinder;
The piston group is movably arranged in the inflator up and down, the piston group divides the inflator into an upper space and a lower space, the upper space of the inflator is communicated with the second end of the first air passage, when the piston group moves downwards, the upper space and the lower space are not communicated, and when the piston group moves upwards, the upper space and the lower space are communicated;
The one-way air outlet valve is arranged at the lower part of the inflator and is communicated with the lower space;
the lower end of the connecting rod is connected with the piston group, and the upper end of the connecting rod penetrates out of the inflator.
The middle part of the second air passage is not limited to the middle part, and refers to a position between two ends of the second air passage.
According to the manual and pneumatic dual-purpose liquid extractor, a switch of a manual and pneumatic operation mode is omitted, and one air passage is additionally arranged, and a one-way valve is arranged on each air passage, so that the manual operation mode and the pneumatic operation mode are simple to operate, convenient and reliable and do not interfere with each other.
Compared with the existing structure, the manual and pneumatic dual-purpose liquid extractor has the advantages that assembly parts are reduced, the upper cover is concise and attractive, the liquid extracting function is efficient, and the manual and pneumatic dual-purpose liquid extractor is suitable for business and household, can be used as a pumping unit in actual use, and can also be used as a water extractor.
Manual mode: the inflator is pressurized, gas in the liquid storage barrel is pumped into the inflator through the first gas passage, and then the gas in the liquid storage barrel is discharged to the outside through the piston group of the inflator, so that the gas pressure in the liquid storage barrel is reduced, negative pressure is formed, and the liquid pumping pipe arranged at the liquid pumping pipe joint can pump liquid to equipment needing liquid pumping.
Pneumatic mode: the first end and the origin of second air flue are connected, and gaseous through the second air flue, under negative pressure structure's effect, form the negative pressure, take out the gas in the stock solution bucket through the intercommunication passageway through the atmospheric pressure difference, make the internal atmospheric pressure of stock solution bucket reduce, form the negative pressure, reuse install the drawing liquid pipe at the drawing liquid coupling can be for the equipment drawing liquid that needs the drawing liquid.
In practical use, the piston set of the prior patent CN209586611U may be used.
In one embodiment of the present invention, a gas supply valve is installed at the first end of the second gas channel, and the gas supply valve is used for connecting with a gas supply device.
The air supply valve is arranged to be conveniently connected with the air supply device, and the air supply device can be an air compressor during practical use.
In one embodiment of the present invention, the negative pressure structure includes:
the positioning shaft is arranged in the second air passage, one end of the positioning shaft, which is far away from the first end of the second air passage, is provided with a conical part, and the outer contour of the cross section of the conical part is smaller as the positioning shaft is far away from the second air passage;
The air-out sleeve is arranged in the second air passage and is positioned on one side of the positioning shaft away from the first end of the second air passage, one end of the air-out sleeve facing the positioning shaft is provided with a conical groove, the conical groove is sleeved on the conical part and is provided with a gap with the conical part, and the connecting channel is communicated with the gap.
Through the cooperation of the taper portion of locating shaft and the taper groove of air-out sleeve pipe, the speed slows down after highly flowing gas comes out from taper portion to form negative pressure vortex, can inhale the air from the stock solution bucket. During practical use, the positioning shaft and the air outlet sleeve are inserted into the second air passage, and the installation is convenient and quick. The second air passage may be provided with a positioning step to position the positioning shaft.
In an embodiment of the invention, a muffler is installed at the second end of the second air passage.
Noise can be reduced through installing the muffler, and product use experiences well.
In one embodiment of the present invention, the first check valve structure and the second check valve structure each include:
the mounting groove is positioned in the upper cover;
The end part of the connecting sleeve is fixedly connected with the mounting groove in a threaded manner, and an air outlet channel is arranged in the connecting sleeve and comprises an air outlet and an air inlet;
the sealing gasket is arranged in the mounting groove and used for sealing the air outlet of the air outlet channel;
and the spring is arranged in the mounting groove and matched with the sealing gasket and is used for pushing the sealing gasket to press the air outlet of the air outlet channel.
The mounting groove is positioned in the upper cover, and particularly the mounting groove of the first one-way valve structure is positioned in the first air passage, and the mounting groove of the second one-way valve structure is positioned in the connecting passage.
In one embodiment of the present invention, a blocking floating head is movably installed at the lower portion of the connecting sleeve, and the blocking floating head is used for blocking the air inlet of the air outlet channel after the liquid level of the liquid in the liquid storage barrel rises to a set value.
The density of the blocking floating head is smaller than that of liquid sucked into the liquid storage barrel, so that after the liquid level rises, the blocking floating head can move upwards, the air inlet of the air outlet channel is finally closed, the oil pumping operation is stopped, and air and oil are prevented from flowing out further from the air outlet channel.
In one embodiment of the invention, an anti-falling part is installed at the lower end of the connecting sleeve, and the anti-falling part is matched with the plugging floating head to prevent the plugging floating head from falling off the connecting sleeve.
In practical use, the anti-falling piece can be a bolt inserted into the lower part of the connecting sleeve.
In one embodiment of the present invention, a through hole is provided on a side wall of the area where the connecting sleeve and the plugging floating head are matched.
The through hole is arranged, so that the plugging floating head can be matched with the connecting sleeve better, and the plugging floating head can move up and down along with the liquid level sensitivity conveniently.
In one embodiment of the invention, the manual and pneumatic dual-purpose liquid extractor further comprises a liquid extracting pipe, wherein one end of the liquid extracting pipe is used for being installed on the liquid extracting pipe joint; the hand-pneumatic dual-purpose liquid extractor also comprises a handle fixed at the upper end of the connecting rod.
In one embodiment of the invention, the air pump further comprises a base, wherein the lower end of the air pump and the lower end of the liquid storage barrel are both fixed on the base in a sealing way, the upper cover is provided with a positioning part, and the positioning part is matched with the upper end of the air pump in a sealing way.
The beneficial effects of the application are as follows: according to the manual and pneumatic dual-purpose liquid extractor, a switch of a manual and pneumatic operation mode is omitted, and one air passage is additionally arranged, and a one-way valve is arranged on each air passage, so that the manual operation mode and the pneumatic operation mode are simple to operate, convenient and reliable and do not interfere with each other.
Description of the drawings:
FIG. 1 is a prior art hand-pneumatic dual purpose pumping unit;
FIG. 2 is a schematic diagram of the hand-pneumatic dual-purpose pumping unit of the present invention;
FIG. 3 is an exploded view of the dual purpose hand and pneumatic pumping unit of the present invention;
FIG. 4 is a schematic diagram of manual mode operation;
Fig. 5 is a schematic diagram of the pneumatic mode operation.
The reference numerals in the drawings are as follows:
1. A liquid storage barrel; 2. an upper cover; 3. a liquid suction pipe joint; 4. a first airway; 5. a second airway; 6. a first one-way valve structure; 7. a negative pressure structure; 8. a communication passage; 9. a second one-way valve structure; 10. an inflator; 11. a piston group; 12. a lower space; 13. a one-way air outlet valve; 14. a connecting rod; 15. an air supply valve; 16. positioning a shaft; 17. a taper portion; 18. an air outlet sleeve; 19. a conical groove; 20. a void; 21. a muffler; 22. a mounting groove; 23. a connection sleeve; 24. an air outlet channel; 25. a sealing gasket; 26. a spring; 27. plugging the floating head; 28. an anti-falling member; 29. a through hole; 30. a liquid suction pipe; 31. a handle; 32. a base; 33. a positioning part; 34. and an upper space.
The specific embodiment is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 2,3, 4 and 5, a hand-pneumatic dual-purpose extractor comprises:
A liquid storage barrel 1 with an opening at the upper end;
The upper cover 2 is hermetically arranged at the opening end of the liquid storage barrel 1, the upper cover 2 is provided with a liquid suction pipe joint 3, a first air passage 4 and a second air passage 5 which are mutually independent are arranged in the upper cover 2, a first one-way valve structure 6 is arranged at the first end of the first air passage 4, air in the liquid storage barrel 1 is enabled to enter the first air passage 4 from the liquid storage barrel 1 in a one-way through the first one-way valve structure 6, a negative pressure structure 7 is arranged in the middle of the second air passage 5, the upper cover 2 is also provided with a communication channel 8 which is connected with the liquid storage barrel 1 and the negative pressure structure 7, a second one-way valve structure 9 is arranged on the communication channel 8, when pressurized air is introduced into the first end of the second air passage 5, negative pressure is formed at the negative pressure structure 7, and the air in the liquid storage barrel 1 can be enabled to enter the second air passage 5 after passing through the connection channel in a one-way and be discharged from the second end of the second air passage 5;
the inflator 10 is arranged at one side of the air storage cylinder;
The piston group 11 is movably arranged in the inflator 10 up and down, the piston group 11 divides the inflator 10 into an upper space 34 and a lower space 12, the upper space 34 of the inflator 10 is communicated with the second end of the first air passage 4, when the piston group 11 moves downwards, the upper space 12 is not communicated, and when the piston group 11 moves upwards, the upper space 34 is communicated with the lower space 12;
A one-way air outlet valve 13 installed at the lower part of the inflator 10 and communicated with the lower space 12;
the lower end of the connecting rod 14 is connected with the piston group 11, and the upper end of the connecting rod penetrates out of the inflator 10.
The middle part of the second air passage 5 according to the present application is not limited to the middle, but refers to the position between the two ends of the second air passage 5.
According to the manual and pneumatic dual-purpose liquid extractor, a switch of a manual and pneumatic operation mode is omitted, and one air passage is additionally arranged, and a one-way valve is arranged on each air passage, so that the manual operation mode and the pneumatic operation mode are simple to operate, convenient and reliable and do not interfere with each other.
Compared with the existing structure, the manual and pneumatic dual-purpose liquid extractor reduces assembly parts, the upper cover 2 is simple and attractive, has high liquid extracting function, is suitable for commercial and household use, and can be used as a pumping unit or a water extractor in actual use.
Manual mode: the inflator 10 is pressurized, the air in the liquid storage barrel 1 is pumped into the inflator 10 through the first air passage 4, the air in the liquid storage barrel 1 is reduced to form negative pressure through the piston group 11 of the inflator 10, and the liquid can be pumped into equipment needing liquid pumping by utilizing the liquid pumping pipe 30 arranged at the liquid pumping pipe joint 3.
Pneumatic mode: the first end of the second air passage 5 is connected with the origin, gas passes through the second air passage 5, under the action of the negative pressure structure 7, negative pressure is formed, the gas in the liquid storage barrel 1 is pumped out through the communication channel 8 by the air pressure difference, the air pressure in the liquid storage barrel 1 is reduced, the negative pressure is formed, and the liquid suction pipe 30 arranged at the liquid suction pipe joint 3 can be used for sucking liquid for equipment needing liquid suction.
In practice, the piston set 11 may be the piston set 11 in the prior patent CN 209586611U.
As shown in fig. 2 and 3, in the present embodiment, the first end of the second air passage 5 is installed with an air supply valve 15, and the air supply valve 15 is used to connect an air supply device.
The air supply valve 15 is arranged to be conveniently connected with an air supply device, and the air supply device can be an air compressor in actual use.
As shown in fig. 3 and 5, in the present embodiment, the negative pressure structure 7 includes:
The positioning shaft 16 is installed in the second air passage 5, one end of the positioning shaft 16, which is far away from the first end of the second air passage 5, is provided with a conical part 17, and the smaller the outer contour of the cross section of the conical part 17 is, the farther away from the second air passage 5;
An air outlet sleeve 18 is arranged in the second air passage 5 and is positioned on one side of the positioning shaft 16 away from the first end of the second air passage 5, one end of the air outlet sleeve 18 facing the positioning shaft 16 is provided with a conical groove 19, the conical groove 19 is sleeved on the conical part 17, a gap 20 is formed between the conical part 17, and the connecting channel is communicated with the gap 20.
By the cooperation of the tapered portion 17 of the positioning shaft 16 and the tapered groove 19 of the air outlet sleeve 18, the velocity of the highly flowing air is slowed down after the highly flowing air comes out of the tapered portion 17, so that negative pressure vortex is formed, and air can be sucked from the liquid storage barrel 1. In actual use, the positioning shaft 16 and the air outlet sleeve 18 are inserted into the second air passage 5, so that the installation is convenient and quick. The second air passage 5 may be provided with a positioning step to position the positioning shaft 16.
As shown in fig. 2, 3 and 5, in the present embodiment, the second end of the second air passage 5 is fitted with a muffler 21. Noise can be reduced by installing the muffler 21, and the product is used and experienced well.
As shown in fig. 3, 4 and 5, in the present embodiment, the first check valve structure 6 and the second check valve structure 9 each include:
A mounting groove 22 in the upper cover 2;
The end part of the connecting sleeve 23 is fixedly connected with the mounting groove 22 in a threaded manner, an air outlet channel 24 is arranged in the connecting sleeve 23, and the air outlet channel 24 comprises an air outlet and an air inlet;
the sealing gasket 25 is arranged in the mounting groove 22 and used for blocking the air outlet of the air outlet channel 24;
And a spring 26, which is arranged in the mounting groove 22 and is matched with the sealing gasket 25, and is used for pushing the sealing gasket 25 to press the air outlet of the air outlet channel 24.
The mounting groove 22 of the present application is located in the upper cover 2, specifically, the mounting groove 22 of the first check valve structure 6 is located in the first air channel 4, and the mounting groove 22 of the second check valve structure 9 is located in the connecting channel.
In this embodiment, a blocking floating head 27 is movably mounted at the lower portion of the connecting sleeve 23, and the blocking floating head 27 is used for blocking the air inlet of the air outlet channel 24 after the liquid level of the liquid in the liquid storage barrel 1 rises to a set value.
The density of the plugging floating head 27 is smaller than that of the liquid sucked into the liquid storage barrel 1, so that after the liquid level rises, the plugging floating head 27 can be moved upwards, and finally the air inlet of the air outlet channel 24 is closed, the oil pumping operation is stopped, and the air and the oil are prevented from flowing out further from the air outlet channel 24.
As shown in fig. 3, 4 and 5, in the present embodiment, the lower end of the connection sleeve 23 is provided with an anti-falling member 28, and the anti-falling member 28 cooperates with the plugging floating head 27 to prevent the plugging floating head 27 from falling off from the connection sleeve 23. In practice, the anti-falling member 28 may be a latch inserted into the lower portion of the connection sleeve 23.
As shown in fig. 3, 4 and 5, in this embodiment, a through hole 29 is provided on the side wall of the region where the connection sleeve 23 is engaged with the plugging floating head 27. The through hole 29 is arranged, so that the plugging floating head 27 can be matched with the connecting sleeve 23 better, and the plugging floating head 27 can move up and down flexibly along with the liquid level conveniently.
As shown in fig. 4, in this embodiment, the dual-purpose manual and pneumatic extractor further includes an extractor tube 30, wherein one end of the extractor tube 30 is used for being mounted on the extractor tube joint 3; the hand-pneumatic dual-purpose extractor further comprises a handle 31 fixed at the upper end of the connecting rod 14.
As shown in fig. 2 and 4, in this embodiment, the air pump further comprises a base 32, the lower end of the air pump 10 and the lower end of the liquid storage barrel 1 are both fixed on the base 32 in a sealing manner, and the upper cover 2 is provided with a positioning portion 33, and the positioning portion 33 is matched with the upper end of the air pump 10 in a sealing manner.
The specific operation flow of this embodiment is as follows:
1. Manual mode of operation, see fig. 4: by repeatedly lifting the handle 31, the air pressure of the upper space 34 and the first air passage 4 becomes low, under the action of negative pressure, the air in the liquid storage barrel 1 pushes the sealing gasket 25 to compress the spring 26 after passing through the air outlet passage 24 of the connecting sleeve 23, enters the first air passage 4, then enters the upper space 34, and is discharged to the outside through the one-way exhaust valve under the action of the piston group 11, so that the air pressure in the liquid storage barrel 1 forms negative pressure, and the pumping pipe can be used for pumping oil to equipment needing pumping oil.
When oil is pumped to a certain degree, the blocking floating head 27 can be moved upwards, the air inlet of the air outlet channel 24 is finally closed, the oil pumping operation is stopped, and air and oil are prevented from flowing out of the air outlet channel 24 further.
2. Pneumatic mode of operation, see fig. 5: firstly, the air supply pipe of the air compressor is connected to the air supply valve 15, the valve is opened, air supplied by the air compressor enters the second air passage 5, when the air flow passes through the negative pressure structure 7, the speed of the air which flows at high speed is slowed down after the air comes out of the conical part 17, so that negative pressure vortex is formed, the air in the liquid storage barrel 1 passes through the air outlet channel 24 of the connecting sleeve 23 and pushes the sealing gasket 25 to compress the spring 26, the air enters the second air passage 5 after passing through the communicating channel 8, and then the air flows together with the air flow of the air compressor pass through the air outlet sleeve 18 and the silencer 21 and then is discharged to the outside, so that negative pressure is formed in the liquid storage barrel 1, and then the oil pumping pipe is utilized to pump liquid to the oil pumping equipment which needs to be pumped.
When oil is pumped to a certain degree, the blocking floating head 27 can be moved upwards, the air inlet of the air outlet channel 24 is finally closed, the oil pumping operation is stopped, and air and oil are prevented from flowing out of the air outlet channel 24 further.
In the manual and pneumatic dual-purpose liquid pumping machine of the embodiment, the sealing gasket 25 of the first one-way valve structure 6 and the sealing gasket 25 of the second one-way valve structure 9 are both in a normally closed state, so that two air passages are not dry and astringent during working, and in one working mode, the negative pressure in the liquid storage barrel 1 can enable the air closing cushion of the other working mode to be compressed more and more tightly, thus avoiding the air leakage phenomenon, and the working reliability is extremely high.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover all equivalent structures as modifications within the scope of the invention, either directly or indirectly, as may be contemplated by the present invention.
Claims (8)
1. A manual and pneumatic dual-purpose liquid extractor, which is characterized by comprising:
A liquid storage barrel with an opening at the upper end;
The upper cover is hermetically arranged at the opening end of the liquid storage barrel and is provided with a liquid suction pipe joint, a first air passage and a second air passage which are mutually independent are arranged in the upper cover, a first one-way valve structure is arranged at the first end of the first air passage, air in the liquid storage barrel is enabled to enter the first air passage from the liquid storage barrel in a one-way mode through the first one-way valve structure, a negative pressure structure is arranged in the middle of the second air passage, the upper cover is also provided with a communication channel which is connected with the liquid storage barrel and the negative pressure structure, a second one-way valve structure is arranged on the communication channel, when pressurized gas is introduced into the first end of the second air passage, negative pressure is formed at the negative pressure structure, and the air in the liquid storage barrel can enter the second air passage after passing through the connection channel in a one-way and is discharged from the second end of the second air passage;
The inflator is arranged at one side of the air storage cylinder;
The piston group is movably arranged in the inflator up and down, the piston group divides the inflator into an upper space and a lower space, the upper space of the inflator is communicated with the second end of the first air passage, when the piston group moves downwards, the upper space and the lower space are not communicated, and when the piston group moves upwards, the upper space and the lower space are communicated;
The one-way air outlet valve is arranged at the lower part of the inflator and is communicated with the lower space;
the lower end of the connecting rod is connected with the piston group, and the upper end of the connecting rod penetrates out of the inflator;
the first end of the second air passage is provided with an air supply valve which is used for being connected with an air supply device;
the first check valve structure and the second check valve structure each include:
the mounting groove is positioned in the upper cover;
The end part of the connecting sleeve is fixedly connected with the mounting groove in a threaded manner, and an air outlet channel is arranged in the connecting sleeve and comprises an air outlet and an air inlet;
the sealing gasket is arranged in the mounting groove and used for sealing the air outlet of the air outlet channel;
and the spring is arranged in the mounting groove and matched with the sealing gasket and is used for pushing the sealing gasket to press the air outlet of the air outlet channel.
2. The dual-purpose manual and pneumatic extractor of claim 1, wherein said negative pressure structure comprises:
the positioning shaft is arranged in the second air passage, one end of the positioning shaft, which is far away from the first end of the second air passage, is provided with a conical part, and the outer contour of the cross section of the conical part is smaller as the positioning shaft is far away from the second air passage;
The air-out sleeve is arranged in the second air passage and is positioned on one side of the positioning shaft away from the first end of the second air passage, one end of the air-out sleeve facing the positioning shaft is provided with a conical groove, the conical groove is sleeved on the conical part and is provided with a gap with the conical part, and the connecting channel is communicated with the gap.
3. The dual purpose manual and pneumatic extractor of claim 2 wherein a muffler is mounted at the second end of said second air passage.
4. The manual and pneumatic dual-purpose liquid extractor as claimed in claim 1, wherein a blocking floating head is movably installed at the lower part of the connecting sleeve, and the blocking floating head is used for blocking the air inlet of the air outlet channel after the liquid level of the liquid in the liquid storage barrel rises to a set value.
5. The manual and pneumatic dual-purpose liquid extractor of claim 4, wherein the lower end of the connecting sleeve is provided with an anti-falling member, and the anti-falling member is matched with the plugging floating head to prevent the plugging floating head from falling off the connecting sleeve.
6. The manual and pneumatic dual-purpose liquid extractor according to claim 5, wherein a through hole is arranged on the side wall of the matching area of the connecting sleeve and the plugging floating head.
7. The dual-purpose manual and pneumatic extractor of claim 1 further comprising an extractor tube, wherein one end of the extractor tube is configured to be mounted on an extractor tube connector; the hand-pneumatic dual-purpose liquid extractor also comprises a handle fixed at the upper end of the connecting rod.
8. The dual-purpose manual and pneumatic pump according to claim 1, further comprising a base, wherein the lower end of the inflator and the lower end of the liquid storage barrel are both fixed on the base in a sealing manner, and the upper cover is provided with a positioning part which is matched with the upper end of the inflator in a sealing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911324673.1A CN110886686B (en) | 2019-12-20 | 2019-12-20 | Manual and pneumatic dual-purpose liquid pumping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911324673.1A CN110886686B (en) | 2019-12-20 | 2019-12-20 | Manual and pneumatic dual-purpose liquid pumping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110886686A CN110886686A (en) | 2020-03-17 |
| CN110886686B true CN110886686B (en) | 2024-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911324673.1A Active CN110886686B (en) | 2019-12-20 | 2019-12-20 | Manual and pneumatic dual-purpose liquid pumping machine |
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| Country | Link |
|---|---|
| CN (1) | CN110886686B (en) |
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| CN201858109U (en) * | 2010-10-21 | 2011-06-08 | 中山市太力家庭用品制造有限公司 | Manual two-way air extracting pump |
| CN109469627A (en) * | 2019-01-07 | 2019-03-15 | 苏州经贸职业技术学院 | A kind of centrifugal pump Portable air extraction device and centrifugal pumping apparatus |
| CN109611312A (en) * | 2018-11-30 | 2019-04-12 | 辽宁工程技术大学 | A kind of mining hand air extractor |
| CN110529358A (en) * | 2019-09-24 | 2019-12-03 | 天津一安生物技术有限公司 | Pressurize decompression two-purpose inflator |
| CN211287987U (en) * | 2019-12-20 | 2020-08-18 | 嘉善精展五金工具有限公司 | Manual and pneumatic dual-purpose liquid pumping machine |
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2019
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| US5445505A (en) * | 1994-05-03 | 1995-08-29 | Hung; Michael | Manual/pneumatic dual-control oil pump |
| CN201858109U (en) * | 2010-10-21 | 2011-06-08 | 中山市太力家庭用品制造有限公司 | Manual two-way air extracting pump |
| CN109611312A (en) * | 2018-11-30 | 2019-04-12 | 辽宁工程技术大学 | A kind of mining hand air extractor |
| CN109469627A (en) * | 2019-01-07 | 2019-03-15 | 苏州经贸职业技术学院 | A kind of centrifugal pump Portable air extraction device and centrifugal pumping apparatus |
| CN110529358A (en) * | 2019-09-24 | 2019-12-03 | 天津一安生物技术有限公司 | Pressurize decompression two-purpose inflator |
| CN211287987U (en) * | 2019-12-20 | 2020-08-18 | 嘉善精展五金工具有限公司 | Manual and pneumatic dual-purpose liquid pumping machine |
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