CN108905373B - Mechanical pump oil filtration equipment - Google Patents
Mechanical pump oil filtration equipment Download PDFInfo
- Publication number
- CN108905373B CN108905373B CN201810836657.XA CN201810836657A CN108905373B CN 108905373 B CN108905373 B CN 108905373B CN 201810836657 A CN201810836657 A CN 201810836657A CN 108905373 B CN108905373 B CN 108905373B
- Authority
- CN
- China
- Prior art keywords
- cavity
- filter
- barrel
- groove
- filtering
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- 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
- F04B53/20—Filtering
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a mechanical pump oil filtering device which comprises a filtering barrel, wherein a filtering cavity is formed in the bottom side of the filtering barrel, a first sealing cover is hermetically installed at the bottom side of the filtering barrel, a cavity is formed in the filtering barrel and is positioned above the filtering cavity, a motor cavity is formed in the filtering barrel and is positioned above the cavity, a motor is fixedly installed in the motor cavity, a groove is formed in the inner wall of the top side of the cavity, a through hole is formed in the inner wall of one side, close to the groove, of the motor cavity, is communicated with the groove, a rotating shaft is rotatably installed in the through hole, one end, close to the motor cavity, of the rotating shaft extends into the motor cavity and is fixedly connected with an output shaft of the motor, a cam is fixedly installed in the groove, a push rod is slidably installed in the groove and is in contact. The invention can filter the oil containing impurities for many times, and has high filtering precision, good filtering effect and strong practicability.
Description
Technical Field
The invention relates to the technical field of filtering equipment, in particular to mechanical pump oil filtering equipment.
Background
At present, the mechanical pump on the market has the disadvantages of too fast oil contamination, oil need to be fresh every month, serious oil loss, production time waste when the fresh oil is replaced, easy oil leakage of the oil seal of the mechanical pump, and high use cost of the oil.
The invention discloses a filtering device with 201711104566.9 patent number, which comprises a supporting seat, wherein an oil absorption filter, an oil pump, a motor, a pressure gauge, a vent valve, a fine filter and a power switch are respectively arranged on the upper portion of the supporting seat, the fine filter is fixedly connected with the supporting seat, the oil pump is arranged on one side of the fine filter, the oil absorption filter is arranged on one side of the oil pump, the oil pump is respectively connected with the fine filter and the oil absorption filter in an embedded mode, the oil absorption filter is connected with the fine filter through an oil pipeline, the motor is arranged on the upper portion of the oil pump, and the oil pump is fixedly connected with the motor. The invention can prolong the period of oil use from the original one-month replacement to the month replacement, saves the use cost of oil, improves the utilization rate of equipment, and avoids oil leakage caused by abrasion of an oil seal of a mechanical pump due to the fact that the oil is not filtered, prolongs the service life, saves the cost, has simple structure and is easy to realize, but the filtering step of the equipment is simple and the filtering is insufficient.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides mechanical pump oil filtering equipment.
The invention provides a mechanical pump oil filtering device, which comprises a filter barrel, wherein a filter cavity is formed in the bottom side of the filter barrel, a first sealing cover is hermetically installed at the bottom side of the filter barrel, a cavity is formed in the filter barrel and is positioned above the filter cavity, a motor cavity is formed in the filter barrel and is positioned above the cavity, a motor is fixedly installed in the motor cavity, a groove is formed in the inner wall of the top side of the cavity, a through hole is formed in the inner wall of one side, close to the groove, of the motor cavity, is communicated with the groove, a rotating shaft is rotatably installed in the through hole, one end, close to the motor cavity, of the rotating shaft extends into the motor cavity and is fixedly connected with an output shaft of the motor, a cam is fixedly installed in the groove, a push rod is slidably installed in the groove and is contacted with the cam, the bottom end of the push rod extends into, the through hole is linked together with the filter chamber, and one side of filter vat is equipped with the setting vat, and the sealed lid of second is installed to the bottom side seal of setting vat, and the funnel is installed on the top side of setting vat, and the funnel is linked together with the setting vat, and fixed mounting has first filter layer in the funnel, installs the connecting pipe between filter vat and the setting vat, and the both ends of connecting pipe extend to in the setting vat respectively and the filter chamber, and fixed mounting has the second filter layer in the connecting pipe, and filter chamber internal fixation has the third filter layer.
Preferably, an oil suction pipe is installed in the sedimentation barrel, the oil suction pipe is S-shaped, a plurality of filtering oil suction holes are formed in the oil suction pipe, the top end of the oil suction pipe is in a sealed state, and the other end of the oil suction pipe is communicated with the connecting pipe.
Preferably, the top end of the ejector rod is provided with a ball in a rolling way, and the ball is in contact with the cam.
Preferably, the top side of the filter vat is provided with an air inlet which is communicated with the cavity.
Preferably, a bearing is fixedly installed in the through hole, and an inner ring of the bearing is fixedly sleeved with the rotating shaft.
Preferably, the piston is fixedly sleeved with a sealing ring, and the sealing ring is connected with the inner wall of the cavity in a sliding and sealing manner.
Preferably, the limiting grooves are formed in the inner walls of the two sides of the groove, the supporting rods are fixedly mounted in the limiting grooves, the limiting blocks are fixedly mounted on the two sides of the ejector rod, and the limiting blocks are in sliding sleeve connection with the supporting rods.
Preferably, the support rod is sleeved with a spring, the bottom end of the spring is fixedly connected with the inner wall of the limiting groove, and the top end of the spring is fixedly connected with the limiting block.
Preferably, fixed mounting has first check valve on the piston, and the direction of intercommunication of first check valve is from the bottom up, and fixed mounting has the second check valve in the through hole, and the direction of intercommunication of second check valve is from the bottom up, and fixed mounting has the third check valve in the connecting tube, and the direction of intercommunication of third check valve is from left to right.
Preferably, the filtering diameter of the first filtering layer is larger than that of the second filtering layer, and the filtering diameter of the second filtering layer is larger than that of the third filtering layer.
The invention has the beneficial effects that: through the cooperation of the filter barrel, the filter cavity, the motor, the groove, the through hole, the rotating shaft, the cam, the ejector rod, the piston, the first one-way valve, the through hole, the second one-way valve, the connecting pipe, the third filter layer, the bearing, the air inlet hole, the second filter layer, the third one-way valve, the first sealing cover, the sedimentation barrel, the second sealing cover, the oil suction pipe, the funnel, the first filter layer, the filtering oil suction hole, the limiting groove, the support rod and the limiting block, the oil enters the sedimentation barrel through the first filter layer for sedimentation, the motor is started after the static sedimentation is carried out for a period of time, the rotating shaft drives the rotating shaft to rotate, the cam drives the ejector rod to rotate and extrude the ejector rod to slide, the ejector rod drives the limiting block compression spring, the ejector rod drives the piston to slide downwards, the air pressure below the piston is raised, at the moment, when the cam rotates for one circle, the ejector rod drives the piston to move upwards under the action of the spring, the pressure below the piston is reduced, the second one-way valve is opened at the moment, air in the filtering cavity enters the cavity, the air pressure in the filtering cavity is reduced, the third one-way valve is opened under the action of atmospheric pressure, oil in the sedimentation barrel enters the oil suction pipe through the filtering oil suction hole and then enters the connecting pipe from the oil suction pipe, the oil enters the filtering cavity through the second filtering layer and then passes through the third filtering layer, and the process is repeated, so that the repeated filtering of the oil is realized.
Drawings
FIG. 1 is a schematic structural diagram of a mechanical oil pumping filter device according to the present invention;
FIG. 2 is a schematic structural diagram of part A of a mechanical oil pumping filter device according to the present invention;
FIG. 3 is a schematic structural diagram of part B of a mechanical oil pumping filter device according to the present invention;
FIG. 4 is a schematic perspective view of a connection pipe of a mechanical oil pumping filter device according to the present invention;
fig. 5 is a schematic perspective view of a filter vat of the mechanical oil pumping filter device according to the present invention.
In the figure: 1 filter barrel, 2 filter chambers, 3 cavities, 4 motor chambers, 5 motors, 6 grooves, 7 through holes, 8 rotating shafts, 9 cams, 10 ejector rods, 11 pistons, 12 first one-way valves, 13 through holes, 14 second one-way valves, 15 connecting pipes, 16 third filter layers, 17 bearings, 18 air inlet holes, 19 second filter layers, 20 third one-way valves, 21 first sealing covers, 22 sedimentation barrels, 23 second sealing covers, 24 oil suction pipes, 25 funnels, 26 first filter layers, 27 filtering oil suction holes, 28 limiting grooves, 29 supporting rods and 30 limiting blocks.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-5, the present embodiment provides a mechanical pump oil filtering apparatus, which includes a filter vat 1, a filter cavity 2 is disposed at the bottom side of the filter vat 1, a first sealing cover 21 is sealingly mounted at the bottom side of the filter vat 1, a cavity 3 is disposed on the filter vat 1, the cavity 3 is located above the filter cavity 2, a motor cavity 4 is disposed on the filter vat 1, the motor cavity 4 is located above the cavity 3, a motor 5 is fixedly mounted in the motor cavity 4, a groove 6 is disposed on the inner wall of the top side of the cavity 3, a through hole 7 is disposed on the inner wall of one side of the motor cavity 4 close to the groove 6, the through hole 7 is communicated with the groove 6, a rotating shaft 8 is rotatably mounted in the through hole 7, one end of the rotating shaft 8 close to the motor cavity 4 extends into the motor cavity 4 and is fixedly connected with an output shaft of the motor 5, the other end of the rotating shaft 8 extends, the top rod 10 is contacted with the cam 9, the bottom end of the top rod 10 extends into the cavity 3, a piston 11 is fixedly installed on the bottom wall of the cavity 3, a through hole 13 is formed in the inner wall of the bottom side of the cavity 3, the through hole 13 is communicated with the filter cavity 2, a sedimentation barrel 22 is arranged on one side of the filter barrel 1, a second sealing cover 23 is hermetically installed on the bottom side of the sedimentation barrel 22, a funnel 25 is installed on the top side of the sedimentation barrel 22, the funnel 25 is communicated with the sedimentation barrel 22, a first filtering layer 26 is fixedly installed in the funnel 25, a connecting pipe 15 is installed between the filter barrel 1 and the sedimentation barrel 22, two ends of the connecting pipe 15 respectively extend into the sedimentation barrel 22 and the filter cavity 2, a second filtering layer 19 is fixedly installed in the connecting pipe 15, a third filtering layer 16 is fixedly installed in the filter cavity 2, and passes through the filter barrel 1, the filter cavity 2, the, The method comprises the following steps of matching a push rod 10, a piston 11, a first one-way valve 12, a through hole 13, a second one-way valve 14, a connecting pipe 15, a third filter layer 16, a bearing 17, an air inlet 18, a second filter layer 19, a third one-way valve 20, a first sealing cover 21, a sedimentation barrel 22, a second sealing cover 23, an oil suction pipe 24, a funnel 25, a first filter layer 26, a filtering oil suction hole 27, a limiting groove 28, a support rod 29 and a limiting block 30, pouring oil containing impurities into the funnel 25, allowing the oil to pass through the first filter layer 26 and enter the sedimentation barrel 22 for sedimentation, starting a motor 5 after standing and sedimentation for a period of time, driving a rotating shaft 8 to rotate by an output shaft of the motor 5, driving a cam 9 to rotate, extruding the push rod 10 to slide, driving the limiting block 30 to compress a spring by the push rod 10, driving the piston 11 to slide downwards, increasing air pressure below, air below the piston 11 enters the upper part of the piston 11 through the first one-way valve 12, when the cam 9 rotates for one circle, the ejector rod 10 drives the piston 11 to move upwards under the action of the spring, the pressure below the piston 11 becomes small, at the moment, the second one-way valve 14 is opened, air in the filter cavity 2 enters the cavity 3, the air pressure in the filter cavity 2 is reduced, the third one-way valve 20 is opened under the action of atmospheric pressure, oil in the sedimentation barrel 22 enters the oil suction pipe 24 through the filtering oil suction hole 27, then enters the connecting pipe 15 from the oil suction pipe 24, the oil enters the filter cavity 2 through the second filter layer 19, and then passes through the third filter layer 16 to and fro, so that the oil is filtered for multiple times.
In the embodiment, an oil suction pipe 24 is installed in the precipitation barrel 22, the oil suction pipe 24 is S-shaped, a plurality of filtering oil suction holes 27 are formed in the oil suction pipe 24, the top end of the oil suction pipe 24 is in a sealed state, the other end of the oil suction pipe 24 is communicated with the connecting pipe 15, a ball is roll-installed at the top end of the ejector rod 10 and is contacted with the cam 9, an air inlet hole 18 is formed in the top side of the filtration barrel 1, the air inlet hole 18 is communicated with the cavity 3, a bearing 17 is fixedly installed in the through hole 7, an inner ring of the bearing 17 is fixedly sleeved with the rotating shaft 8, a sealing ring is fixedly sleeved on the piston 11 and is in sliding sealing connection with the inner wall of the cavity 3, limiting grooves 28 are respectively formed in the inner walls of the two sides of the groove 6, supporting rods 29 are fixedly installed in the limiting grooves 28, limiting blocks 30 are fixedly installed on the two, the top end of the spring is fixedly connected with a limiting block 30, a first one-way valve 12 is fixedly installed on a piston 11, the communication direction of the first one-way valve 12 is from bottom to top, a second one-way valve 14 is fixedly installed in a through hole 13, the communication direction of the second one-way valve 14 is from bottom to top, a third one-way valve 20 is fixedly installed in a connecting pipe 20, the communication direction of the third one-way valve 20 is from left to right, the filtering diameter of a first filtering layer 26 is larger than that of a second filtering layer 19, the filtering diameter of the second filtering layer 19 is larger than that of a third filtering layer 16, and the spring passes through a filtering barrel 1, a filtering cavity 2, a cavity 3, a motor cavity 4, a motor 5, a groove 6, a through hole 7, a rotating shaft 8, a cam 9, a mandril 10, the piston 11, the first one-way valve 12, the through hole 13, the second one-way valve 14, the connecting pipe 15, The third one-way valve 20, the first sealing cover 21, the sedimentation barrel 22, the second sealing cover 23, the oil suction pipe 24, the funnel 25, the first filtering layer 26, the filtering oil suction hole 27, the limiting groove 28, the supporting rod 29 and the limiting block 30 are matched, oil containing impurities is poured into the funnel 25, the oil enters the sedimentation barrel 22 through the first filtering layer 26 to be sedimented, the motor 5 is started after the oil is statically sedimented for a period of time, the output shaft of the motor 5 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the cam 9 to rotate, the cam 9 rotates to extrude the ejector rod 10 to slide, the ejector rod 10 drives the limiting block 30 to compress the spring, the ejector rod 10 drives the piston 11 to slide downwards, the air pressure below the piston 11 rises, at the moment, the first one-way valve 12 is opened, air below the piston 11 enters the position above the piston 11 through the first one-way valve 12, when the cam 9 rotates for one week, the ejector, at the moment, the second one-way valve 14 is opened, air in the filter cavity 2 enters the cavity 3, the air pressure in the filter cavity 2 is reduced, the third one-way valve 20 is opened under the action of the atmospheric pressure, oil in the sedimentation barrel 22 enters the oil suction pipe 24 through the filtering oil suction hole 27 and then enters the connecting pipe 15 from the oil suction pipe 24, the oil enters the filter cavity 2 through the second filter layer 19 and then passes through the third filter layer 16, and the process is repeated, so that the repeated filtering of the oil is realized.
In the embodiment, when the device is used, oil containing impurities is poured into a funnel 25, the oil enters a precipitation barrel 22 through a first filter layer 26 to precipitate, the motor 5 is started after the oil is statically precipitated for a period of time, an output shaft of the motor 5 drives a rotating shaft 8 to rotate, the rotating shaft 8 drives a cam 9 to rotate, the cam 9 rotates to extrude a push rod 10 to slide, the push rod 10 drives a limiting block 30 to compress a spring, the push rod 10 drives a piston 11 to slide downwards, air pressure below the piston 11 rises, at the moment, a first one-way valve 12 is opened, air below the piston 11 enters the upper part of the piston 11 through the first one-way valve 12, when the cam 9 rotates for one week, the push rod 10 drives the piston 11 to move upwards under the action of the spring, the pressure below the piston 11 is reduced, at the moment, a second one-way valve 14 is opened, air in a filter cavity 2 enters a cavity, the third one-way valve 20 is opened, the oil in the settling barrel 22 enters the oil suction pipe 24 through the filtering oil suction hole 27, then enters the connecting pipe 15 from the oil suction pipe 24, enters the filter cavity 2 through the second filter layer 19, passes through the third filter layer 16, and the process is repeated, so that the oil is filtered for multiple times.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The mechanical pump oil filtering equipment comprises a filter barrel (1) and is characterized in that a filter cavity (2) is formed in the bottom side of the filter barrel (1), a first sealing cover (21) is hermetically installed on the bottom side of the filter barrel (1), a cavity (3) is formed in the filter barrel (1), the cavity (3) is located above the filter cavity (2), a motor cavity (4) is formed in the filter barrel (1), the motor cavity (4) is located above the cavity (3), a motor (5) is fixedly installed in the motor cavity (4), a groove (6) is formed in the inner wall of the top side of the cavity (3), a through hole (7) is formed in the inner wall of one side, close to the groove (6), of the motor cavity (4), the through hole (7) is communicated with the groove (6), a rotating shaft (8) is rotatably installed in the through hole (7), one end, close to the motor cavity (4), of the rotating shaft (8) extends into the motor cavity (4) and is fixedly connected with an, the other end of the rotating shaft (8) extends into the groove (6) and is fixedly provided with a cam (9), a push rod (10) is arranged in the groove (6) in a sliding manner, the push rod (10) is in contact with the cam (9), the bottom end of the push rod (10) extends into the cavity (3), a piston (11) is fixedly arranged on the bottom end of the piston, a through hole (13) is formed in the inner wall of the bottom side of the cavity (3), the through hole (13) is communicated with the filter cavity (2), one side of the filter barrel (1) is provided with a precipitation barrel (22), the bottom side of the precipitation barrel (22) is provided with a second sealing cover (23), the top side of the precipitation barrel (22) is provided with a funnel (25), the funnel (25) is communicated with the precipitation barrel (22), a first filter layer (26) is fixedly arranged in the funnel (25), a connecting pipe (15) is arranged between the filter barrel (1) and the precipitation barrel (22), two ends of the, a second filter layer (19) is fixedly arranged in the connecting pipe (15), and a third filter layer (16) is fixedly arranged in the filter cavity (2);
an air inlet (18) is formed in the top side of the filter barrel (1), and the air inlet (18) is communicated with the cavity (3);
limiting grooves (28) are formed in the inner walls of the two sides of the groove (6), supporting rods (29) are fixedly mounted in the limiting grooves (28), limiting blocks (30) are fixedly mounted on the two sides of the ejector rod (10), and the limiting blocks (30) are in sliding sleeve connection with the supporting rods (29);
the supporting rod (29) is sleeved with a spring, the bottom end of the spring is fixedly connected with the inner wall of the limiting groove (28), and the top end of the spring is fixedly connected with the limiting block (30);
fixed mounting has first check valve (12) on piston (11), and the direction of intercommunication of first check valve (12) is from the bottom up, and fixed mounting has second check valve (14) in through hole (13), and the direction of intercommunication of second check valve (14) is from the bottom up, and fixed mounting has third check valve (20) in connecting pipe (20), and the direction of intercommunication of third check valve (20) is from left to right.
2. The mechanical oil pumping filter device as claimed in claim 1, wherein an oil suction pipe (24) is installed in the settling barrel (22), the oil suction pipe (24) is S-shaped, a plurality of filtering oil suction holes (27) are formed in the oil suction pipe (24), the top end of the oil suction pipe (24) is in a sealed state, and the other end of the oil suction pipe (24) is communicated with the connecting pipe (15).
3. The mechanical pump oil filtering device as claimed in claim 1, wherein the top end of the push rod (10) is provided with a ball in rolling mode, and the ball is in contact with the cam (9).
4. The mechanical pump oil filtering equipment as claimed in claim 1, wherein a bearing (17) is fixedly installed in the through hole (7), and an inner ring of the bearing (17) is fixedly sleeved with the rotating shaft (8).
5. The mechanical pump oil filtering device as claimed in claim 1, wherein a sealing ring is fixedly sleeved on the piston (11) and is in sliding sealing connection with the inner wall of the cavity (3).
6. A mechanical pump oil filter device according to claim 1, characterized in that the filter diameter of the first filter layer (26) is larger than the filter diameter of the second filter layer (19), the filter diameter of the second filter layer (19) being larger than the filter diameter of the third filter layer (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810836657.XA CN108905373B (en) | 2018-07-26 | 2018-07-26 | Mechanical pump oil filtration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810836657.XA CN108905373B (en) | 2018-07-26 | 2018-07-26 | Mechanical pump oil filtration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108905373A CN108905373A (en) | 2018-11-30 |
| CN108905373B true CN108905373B (en) | 2020-12-08 |
Family
ID=64417039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810836657.XA Active CN108905373B (en) | 2018-07-26 | 2018-07-26 | Mechanical pump oil filtration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108905373B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1300581A (en) * | 1969-01-03 | 1972-12-20 | Tecalemit Engineering | Improvements in or relating to pumps |
| US5366642A (en) * | 1991-04-09 | 1994-11-22 | Kpa, Incorporated | Compact water filtration and purification pump |
| CN202746133U (en) * | 2012-09-06 | 2013-02-20 | 方庆高 | Spring type gas-liquid supercharging constant pressure pump |
| CN205019802U (en) * | 2015-07-01 | 2016-02-10 | 鼎泰（湖北）生化科技设备制造有限公司 | A vacuum suction device |
| CN107956683A (en) * | 2017-11-10 | 2018-04-24 | 江西水晶光电有限公司 | A kind of machinery pump oil filter plant |
-
2018
- 2018-07-26 CN CN201810836657.XA patent/CN108905373B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1300581A (en) * | 1969-01-03 | 1972-12-20 | Tecalemit Engineering | Improvements in or relating to pumps |
| US5366642A (en) * | 1991-04-09 | 1994-11-22 | Kpa, Incorporated | Compact water filtration and purification pump |
| CN202746133U (en) * | 2012-09-06 | 2013-02-20 | 方庆高 | Spring type gas-liquid supercharging constant pressure pump |
| CN205019802U (en) * | 2015-07-01 | 2016-02-10 | 鼎泰（湖北）生化科技设备制造有限公司 | A vacuum suction device |
| CN107956683A (en) * | 2017-11-10 | 2018-04-24 | 江西水晶光电有限公司 | A kind of machinery pump oil filter plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108905373A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019062991A1 (en) | System for circulating replacement of grease for bearing | |
| CN201496219U (en) | Pneumatic plunger pump | |
| CN203835653U (en) | High-pressure air pump | |
| CN108905373B (en) | Mechanical pump oil filtration equipment | |
| CN107461319B (en) | Diaphragm type oilless vacuum pump | |
| CN110260141A (en) | A kind of electric grease lubricating pump | |
| CN111997173B (en) | Integration pump station desilting equipment | |
| CN208611907U (en) | A kind of ultrasound Suction filtration device | |
| CN210141193U (en) | Gear pump convenient to maintenance | |
| CN104088777A (en) | Metering pump with quantitatively-compressed diaphragm | |
| CN115025623B (en) | Anti-leakage closed type seawater desalination device with alarm function | |
| CN103133081A (en) | Device special for engine oil replacement | |
| CN2361871Y (en) | Roller plunger pump | |
| CN113565732A (en) | Dry vacuum pump | |
| CN203189998U (en) | Backward-sucking lubricating grease pump for power-driven bucket | |
| CN102358463B (en) | Constant flow pump device | |
| CN114320829A (en) | Dry vacuum pump | |
| CN110821816B (en) | Plunger pump convenient to discharge redundant air in pump chamber in real time | |
| CN207795493U (en) | Hand pressure plunger pump | |
| CN215242593U (en) | Hydraulic vacuum pumping device for molding of automobile parts | |
| CN213516475U (en) | Sampling device for external water quality monitoring | |
| CN218001122U (en) | Reciprocating pushing structure for high-pressure oil injection machine | |
| CN203809228U (en) | Water pump | |
| CN221799768U (en) | Oil extraction pumping unit | |
| CN219652747U (en) | Oil remover |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201125 Address after: No.8, Jinfeng Road, Qingfeng town, Jianhu County, Yancheng City, Jiangsu Province Applicant after: Yancheng Jude Machinery Parts Co., Ltd Address before: 510170 84 Xihua Road, Yuexiu District, Guangzhou, Guangdong 901 Applicant before: Liu Peiling |
|
| TA01 | Transfer of patent application right |