CN110821816A - Plunger pump convenient to discharge redundant air in pump chamber in real time - Google Patents
Plunger pump convenient to discharge redundant air in pump chamber in real time Download PDFInfo
- Publication number
- CN110821816A CN110821816A CN201911056891.1A CN201911056891A CN110821816A CN 110821816 A CN110821816 A CN 110821816A CN 201911056891 A CN201911056891 A CN 201911056891A CN 110821816 A CN110821816 A CN 110821816A
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- plunger pump
- sealing
- sleeve
- sealed sliding
- 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
- 238000007789 sealing Methods 0.000 claims description 97
- 230000005540 biological transmission Effects 0.000 claims description 17
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 52
- 238000000034 method Methods 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/06—Venting
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention relates to the field of plunger pump equipment, and discloses a plunger pump convenient for discharging redundant air in a pump cavity in real time. This plunger pump convenient to unnecessary air in real-time discharge pump chamber, through sealed sliding sleeve, go up the seal cover, the design of lower seal cover and kicking block, shift up the in-process of drawing water on sealed sliding sleeve, go up the seal cover and plug up the logical groove, draw water at the negative pressure, when sealed sliding sleeve moves down the drainage, sealed sliding sleeve is earlier relative lower seal cover and is moved down, the unnecessary air in sealed sliding sleeve below gets into the top of sealed sliding sleeve through leading to the groove, the logical groove is plugged up to the lower seal cover, carry out the drainage again, so that discharge sealed sliding sleeve below unnecessary air, make sealed sliding sleeve shift up under the unchangeable condition of stroke, the volume of drawing water all remains stable at every turn, compare in current plunger pump, the effectual efficiency.
Description
Technical Field
The invention relates to the field of plunger pump equipment, in particular to a plunger pump convenient for discharging redundant air in a pump cavity in real time.
Background
The plunger type hydraulic pump forms the change of the sealing volume by the reciprocating motion of the plunger in the cylinder body to realize water absorption and water pressing, and the main components of the plunger type hydraulic pump and the cylinder body are cylindrical, so the plunger type hydraulic pump has the advantages of convenient processing, high matching precision, good sealing performance and compact structure, and the maximum stroke of the plunger is convenient to adjust, thereby the displacement and the liquid flow direction of the pump are easy to adjust, and the plunger type hydraulic pump is widely applied to the fields of oil mines, water conservancy and the like.
The working principle of the existing plunger pump is as follows, referring to fig. 6: the eccentric wheel set in the control drive machine case 2 rotates, the transmission of the transmission assembly 3 is utilized, so that the plunger rod 4 drives the sealing sliding sleeve 5 to do reciprocating motion in the inner cavity of the drive machine case 2 to pump water and send water, namely, in the upward moving process of the sealing sliding sleeve 5, the one-way valve in the water inlet pipe 6 is opened, the one-way valve in the water outlet pipe 7 is closed, the negative pressure in the upward moving process of the sealing sliding sleeve 5 is utilized to pump water, in the downward moving process of the sealing sliding sleeve 5, the one-way valve in the water inlet pipe 6 is closed, and the one-way valve in the water.
However, because the water or oil contains air, along with the long-time work of the plunger pump, there is partial gas and water separation, so that the air quantity below the sealing sliding sleeve 5 is increased, under the condition that the upward movement stroke of the sealing sliding sleeve 5 is not changed, the negative pressure quantity is reduced, the water quantity subsequently pumped into the driving case 2 is reduced, the working efficiency of the plunger pump is reduced, after a period of time, the pipeline of the plunger pump needs to be disassembled, the pump body is started, the no-load operation is realized, the air release point is arranged at the highest end of the system for air release, and the exhaust is troublesome.
Disclosure of Invention
The plunger pump convenient for discharging the redundant air in the pump cavity in real time has the advantage of being convenient for trying to discharge the redundant air in the pump cavity, and solves the technical problems in the background art.
The invention provides the following technical scheme: a plunger pump convenient for discharging redundant air in a pump cavity in real time comprises a plunger pump pipeline, a driving case, a transmission assembly, a plunger rod, a sealing sliding sleeve, a water inlet pipe and a water outlet pipe, wherein the driving case is arranged at the top of the plunger pump pipeline, the driving case is provided with an eccentric wheel set for driving the transmission assembly to reciprocate up and down, the bottom of the transmission assembly is in transmission connection with the plunger rod extending to the inner cavity of the driving case, the bottom end of the plunger rod is fixedly connected with the top of the sealing sliding sleeve, the sealing sliding sleeve is attached to the inner wall of the driving case, two symmetrical through grooves are formed in the outer edge of the sealing sliding sleeve, a linkage shaft positioned between two ends of the through grooves is movably sleeved on the sealing sliding sleeve, the top ends of the two linkage shafts are fixedly connected with an upper sealing sleeve positioned at the top of the sealing sliding sleeve, and, the upper sealing sleeve and the lower sealing sleeve can block the two through grooves; the improved plunger pump is characterized in that the two sides of the bottom of the driving case are respectively communicated with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are respectively provided with a one-way valve, the outer side of the plunger pump pipeline is fixedly sleeved with a gas storage pipe, the inner cavity of the gas storage pipe is communicated with the inner cavity of the plunger pump pipeline above the sealing sliding sleeve, and the bottom of the gas storage pipe is provided with a pressure release valve.
Preferably, the fixed cover on the interlock axle is equipped with the baffle that is located sealed sliding sleeve inner chamber, and the bottom fixedly connected with extension spring of baffle, extension spring movable sleeve is on the interlock axle, and the bottom of extension spring and the bottom fixed connection of interlock axle inner chamber.
Preferably, the lower sealing sleeve is annular, and the distance between the top of the lower sealing sleeve and the upper sealing sleeve is greater than the length of the through groove.
Preferably, the bottom of the lower sealing sleeve is fixedly connected with a floating block, the floating block is annular, and the binding surface between the outer side of the floating block and the inner wall of the driving case is an elastic soft body.
The invention has the following beneficial effects:
according to the plunger pump convenient for discharging redundant air in the pump cavity in real time, through the design of the sealing sliding sleeve, the upper sealing sleeve, the lower sealing sleeve and the floating block, in the process of moving the sealing sliding sleeve upwards to pump water, the upper sealing sleeve plugs the through groove to pump water under negative pressure, when the sealing sliding sleeve moves downwards to drain water, the sealing sliding sleeve moves downwards relative to the lower sealing sleeve, redundant air below the sealing sliding sleeve enters the upper part of the sealing sliding sleeve through the through groove, the lower sealing sleeve plugs the through groove and drains water, so that the redundant air below the sealing sliding sleeve is discharged, the water pumping amount is kept stable every time under the condition that the upward moving stroke of the sealing sliding sleeve is not changed, compared with the existing plunger pump, the water pumping efficiency is effectively improved, meanwhile, the redundant air enters the air storage pipe to be automatically discharged, the plunger pump does not need to be disassembled; and, in the process that the sealing sliding sleeve reciprocates, the floating block acts on the inner wall of the plunger pump pipeline below the sealing sliding sleeve firstly, so that the joint sealing surface between the sealing sliding sleeve and the inner wall of the plunger pump pipeline is not influenced by impurities in water, the hard abrasion degree between the sealing sliding sleeve and the inner wall of the plunger pump pipeline is reduced, and the service life of the plunger pump is effectively prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a side sectional view of the sealing runner 5 of the structure of FIG. 2;
FIG. 4 is a bottom view of the sealing sleeve of the structure of FIG. 2;
FIG. 5 is a schematic view of the structure 2 of the sealing sliding sleeve of the present invention;
fig. 6 is a view showing a structure of a conventional plunger pump.
In the figure: 1. a plunger pump conduit; 2. a drive chassis; 3. a transmission assembly; 4. a plunger rod; 5. sealing the sliding sleeve; 6. a water inlet pipe; 7. a water outlet pipe; 8. a linkage shaft; 9. an upper sealing sleeve; 10. floating blocks; 11. a lower sealing sleeve; 12. a tension spring; 13. a through groove; 14. a gas storage pipe; 15. and (4) releasing the valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a plunger pump convenient for discharging excess air in a pump cavity in real time includes a plunger pump pipeline 1, a driving case 2, a transmission assembly 3, a plunger rod 4, a sealing sliding sleeve 5, a water inlet pipe 6 and a water outlet pipe 7, the driving case 2 is disposed on the top of the plunger pump pipeline 1, the driving case 2 is provided with an eccentric wheel set for driving the transmission assembly 3 to reciprocate up and down, the bottom of the transmission assembly 3 is connected with the plunger rod 4 extending to the inner cavity of the driving case 2 in a transmission manner, the bottom end of the plunger rod 4 is fixedly connected with the top of the sealing sliding sleeve 5, the sealing sliding sleeve 5 is attached to the inner wall of the driving case 2, the transmission assembly 3 is driven to move by a driving motor on the upper section of the driving case 2, the transmission assembly 3 is equivalent to a crank sliding rod structure, so that the plunger rod 4 drives the sealing sliding sleeve 5 to, moving downwards for draining;
the outer edge of the sealing sliding sleeve 5 is provided with two symmetrical through grooves 13, the sealing sliding sleeve 5 is movably sleeved with a linkage shaft 8 positioned between two ends of the two through grooves 13, the linkage shaft 8 is fixedly sleeved with a baffle positioned in an inner cavity of the sealing sliding sleeve 5, the bottom of the baffle is fixedly connected with a tension spring 12, the tension spring 12 is movably sleeved on the linkage shaft 8, the bottom end of the tension spring 12 is fixedly connected with the bottom of the inner cavity of the linkage shaft 8, the top ends of the two linkage shafts 8 are fixedly connected with an upper sealing sleeve 9 positioned at the top of the sealing sliding sleeve 5, the bottom ends of the two linkage shafts 8 are fixedly connected with a lower sealing sleeve 11 positioned below the sealing sliding sleeve 5, the lower sealing sleeve 11 is annular, the distance between the top of the lower sealing sleeve 11 and the upper sealing sleeve 9 is larger than the length value of the through grooves 13; the two sides of the bottom of the driving case 2 are respectively communicated with a water inlet pipe 6 and a water outlet pipe 7, and the insides of the water inlet pipe 6 and the water outlet pipe 7 are respectively provided with a one-way valve, in the upward movement water pumping action stroke of the sealing sliding sleeve 5, the sealing sliding sleeve 5 firstly contacts with the upper sealing sleeve 9 to block the through groove, the one-way valve on the water inlet pipe 6 is opened, the one-way valve on the water outlet pipe 7 is closed to perform water pumping action, in the downward movement water draining action stroke of the sealing sliding sleeve 5, the sealing sliding sleeve 5 firstly moves downwards relative to the lower sealing sleeve 11, at the moment, redundant air below the sealing sliding sleeve 5 flows to the upper part of the sealing sliding sleeve 5 through the through groove, meanwhile, a little water above the sealing sliding sleeve 5 preferentially flows back to the lower part of the sealing sliding sleeve 5 until the residual sealing sliding sleeve 5 contacts with the sealing sleeve to block, so that the unnecessary air in sealed sliding sleeve 5 below of discharging for under the unchangeable condition of sealed sliding sleeve 5 upstroke stroke, the volume of drawing water all remains stable at every turn, compares in current plunger pump, and effectual improvement efficiency of drawing water.
Wherein, the fixed cover in the outside of plunger pump pipeline 1 is equipped with gas receiver 14, and the inner chamber of gas receiver 14 communicates with each other with the inner chamber that plunger pump pipeline 1 is located sealed sliding sleeve 5 top, and communicates with each other the groove and locate the top of gas receiver 14, and the bottom of gas receiver 14 is equipped with relief valve 15, and the unnecessary air of sealed sliding sleeve 5 top in plunger pump pipeline 1 gets into in the gas receiver 14 to by the automatic discharge of relief valve 15, need not to dismantle the plunger pump, the discharge of the unnecessary gas in the plunger pump of being convenient for.
The bottom fixedly connected with floating block 10 of lower seal cover 11, the shape of floating block 10 is cyclic annular, and the binding face of the outside of floating block 10 and the inner wall of drive machine case 2 is the elasticity software, utilize floating block 10, when sealing sliding sleeve 5 moves down, utilize the buoyancy of floating block 10 on water and with the frictional force effect with plunger pump pipeline 1 inner wall down, sealing sliding sleeve 5 moves down relatively lower seal cover 11 earlier, discharge sealing sliding sleeve 5 and the unnecessary air of its below, and, utilize the removal of floating block 10 to act on the inner wall of plunger pump pipeline 1, ensure that the sealing face of laminating of the sealing sliding sleeve 5 of its top and plunger pump pipeline 1 inner wall is not influenced by impurity in the water, the hard wearing degree between sealing sliding sleeve 5 and plunger pump pipeline 1 inner wall has been reduced, the effectual life who improves the plunger pump.
When the plunger pump is used, firstly, the driving case 2 is controlled to drive the transmission assembly 3 to act, so that the plunger rod 4 drives the sealing sliding sleeve 5 to reciprocate up and down in the plunger pump pipeline 1, in the moving action of the sealing sliding sleeve 5, the one-way valve on the water inlet pipe 6 is opened, the one-way valve on the water outlet pipe 7 is closed, water enters the plunger pump pipeline 1 through the water inlet pipe 6, the sealing sliding sleeve 5 moves down after moving to the highest point, the sealing sliding sleeve 5 moves down first to be attached to the lower sealing sleeve 11 to block the through groove 13, in the process, redundant air below the sealing sliding sleeve 5 is discharged through the through groove 13, the random sealing sliding sleeve 5 and the lower sealing sleeve 11 move down simultaneously, the one-way valve in the water inlet pipe 6 is unstable, and the one-way valve in the.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a plunger pump convenient to unnecessary air in real-time discharge pump chamber, includes plunger pump pipeline (1), drive machine case (2), drive assembly (3), plunger rod (4), sealed sliding sleeve (5), inlet tube (6) and outlet pipe (7), its characterized in that: the plunger pump is characterized in that the driving case (2) is arranged at the top of the plunger pump pipeline (1), the driving case (2) is provided with an eccentric wheel unit for driving the transmission component (3) to reciprocate up and down, the bottom of the transmission component (3) is in transmission connection with a plunger rod (4) extending to the inner cavity of the driving case (2), the bottom end of the plunger rod (4) is fixedly connected with the top of the sealing sliding sleeve (5), the sealing sliding sleeve (5) is attached to the inner wall of the driving case (2), the outer edge of the sealing sliding sleeve (5) is provided with two symmetrical through grooves (13), the sealing sliding sleeve (5) is movably sleeved with a linkage shaft (8) positioned between the two ends of the two through grooves (13), the top ends of the two linkage shafts (8) are fixedly connected with an upper sealing sleeve (9) positioned at the top of the sealing sliding sleeve (5), and the bottom ends of the two linkage shafts (8) are fixedly connected with a, the upper sealing sleeve (9) and the lower sealing sleeve (11) can block two through grooves (13); the both sides of drive machine case (2) bottom are put through respectively and are had inlet tube (6) and outlet pipe (7), and the inside of inlet tube (6) and outlet pipe (7) all is equipped with the check valve, the fixed cover in the outside of plunger pump pipeline (1) is equipped with gas receiver (14), and the inner chamber that the inner chamber and the plunger pump body (1) of gas receiver (14) are located sealed sliding sleeve (5) top communicates with each other, the bottom of gas receiver (14) is equipped with relief valve (15).
2. A plunger pump for facilitating the real-time evacuation of excess air from a pump chamber, as defined in claim 1, wherein: the fixed cover is equipped with the baffle that is located sealed sliding sleeve (5) inner chamber on interlock axle (8), and the bottom fixedly connected with extension spring (12) of baffle, extension spring (12) activity suit is on interlock axle (8), and the bottom of extension spring (12) and the bottom fixed connection of interlock axle (8) inner chamber.
3. A plunger pump for facilitating the real-time evacuation of excess air from a pump chamber, as defined in claim 1, wherein: the shape of the lower sealing sleeve (11) is annular, and the distance value between the top of the lower sealing sleeve (11) and the upper sealing sleeve (9) is greater than the length value of the through groove (13).
4. A plunger pump for facilitating the real-time evacuation of excess air from a pump chamber, as defined in claim 1, wherein: the bottom fixedly connected with floating block (10) of lower seal cover (11), the shape of floating block (10) is cyclic annular, and the binding face of the outside of floating block (10) and driver case (2) inner wall is the elasticity software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056891.1A CN110821816B (en) | 2019-10-31 | 2019-10-31 | Plunger pump convenient to discharge redundant air in pump chamber in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056891.1A CN110821816B (en) | 2019-10-31 | 2019-10-31 | Plunger pump convenient to discharge redundant air in pump chamber in real time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110821816A true CN110821816A (en) | 2020-02-21 |
| CN110821816B CN110821816B (en) | 2022-01-28 |
Family
ID=69552084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911056891.1A Active CN110821816B (en) | 2019-10-31 | 2019-10-31 | Plunger pump convenient to discharge redundant air in pump chamber in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110821816B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855519A (en) * | 2021-03-04 | 2021-05-28 | 宁波贡承机械有限公司 | Uninterrupted water supply plunger pump system |
| CN116771631A (en) * | 2022-03-18 | 2023-09-19 | 毛笑尘 | High-stability isolated electric water pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4854835A (en) * | 1987-04-28 | 1989-08-08 | Sumimoto Electric Industries, Ltd. | Plunger pump |
| CN204025026U (en) * | 2014-07-31 | 2014-12-17 | 高燕军 | Plunger pump automatic control pressure vent |
| CN206144776U (en) * | 2016-11-17 | 2017-05-03 | 东北石油大学 | Oil pump preventing gas |
| CN206144775U (en) * | 2016-09-19 | 2017-05-03 | 佛山市科达液压机械有限公司 | Novel plunger and novel plunger pump |
| US20170152841A1 (en) * | 2014-05-08 | 2017-06-01 | Dürr Systems Ag | Exhaust air conduit for a coating agent pump |
| CN206845450U (en) * | 2017-04-08 | 2018-01-05 | 深圳艾卓奇科技有限公司 | A kind of piston pump exhaust structure |
-
2019
- 2019-10-31 CN CN201911056891.1A patent/CN110821816B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4854835A (en) * | 1987-04-28 | 1989-08-08 | Sumimoto Electric Industries, Ltd. | Plunger pump |
| US20170152841A1 (en) * | 2014-05-08 | 2017-06-01 | Dürr Systems Ag | Exhaust air conduit for a coating agent pump |
| CN204025026U (en) * | 2014-07-31 | 2014-12-17 | 高燕军 | Plunger pump automatic control pressure vent |
| CN206144775U (en) * | 2016-09-19 | 2017-05-03 | 佛山市科达液压机械有限公司 | Novel plunger and novel plunger pump |
| CN206144776U (en) * | 2016-11-17 | 2017-05-03 | 东北石油大学 | Oil pump preventing gas |
| CN206845450U (en) * | 2017-04-08 | 2018-01-05 | 深圳艾卓奇科技有限公司 | A kind of piston pump exhaust structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855519A (en) * | 2021-03-04 | 2021-05-28 | 宁波贡承机械有限公司 | Uninterrupted water supply plunger pump system |
| CN116771631A (en) * | 2022-03-18 | 2023-09-19 | 毛笑尘 | High-stability isolated electric water pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110821816B (en) | 2022-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110821816B (en) | Plunger pump convenient to discharge redundant air in pump chamber in real time | |
| CN113426748B (en) | Reciprocating structure of cleaning machine and handheld cleaning machine | |
| CN206017110U (en) | A kind of multi-stage compression commutation valve type diaphragm type compressor | |
| CN111271255A (en) | Air compressor for compressing gas and improving gas pressure | |
| CN210623001U (en) | Oil cylinder type bidirectional oil-water conversion high-pressure water generating device | |
| CN207686912U (en) | A kind of use in washing machine two-chamber piston pump | |
| CN206668521U (en) | A kind of diaphragm type water pump | |
| CN108506184B (en) | Non-pulsation large-stroke plunger pump | |
| CN205805894U (en) | A kind of high pressure reciprocating plunger pump hydraulic end through type combination valve | |
| CN210660460U (en) | Single-plunger cleaning machine pump and cleaning machine | |
| CN110185593B (en) | Novel pressure of well of combined type device | |
| CN208564893U (en) | A kind of plunger type draining vacuum pump | |
| CN2224298Y (en) | Hydraulic motor for hydraulic piston pump by directly using water as power liquid | |
| CN216111151U (en) | Motor direct-drive fracturing device | |
| CN216894775U (en) | Single-plunger high-pressure self-priming pump and handheld high-pressure cleaning machine | |
| CN211500891U (en) | Reciprocating clean water pump for mine | |
| CN205330904U (en) | Mud plunger pump | |
| CN212717030U (en) | Full-water-lubrication low-noise water hydraulic axial plunger pump capable of running under negative pressure | |
| CN110594147B (en) | Plunger pump for oil field | |
| CN210949101U (en) | Water pump with filtering capability | |
| CN1031215C (en) | Water supply booster unit for pressure pump of water source | |
| CN209025905U (en) | A kind of reversal valve | |
| CN113738608A (en) | Automatic pressure regulating water injection pump | |
| SU1373767A1 (en) | Soil intake device for suction dredger | |
| CN219911081U (en) | High-speed chassis of reciprocating compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220110 Address after: 264100 No. 739-1, Government Street, Mouping District, Yantai City, Shandong Province Applicant after: Yantai Fengyi Pump Industry Co.,Ltd. Address before: 545000 No. 3-1-2, building 23, shanshuifu, East Ring Road, Chengzhong District, Liuzhou City, Guangxi Zhuang Autonomous Region Applicant before: Yang Min |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |