CN110529354A - A kind of linkage pumping mechanism avoiding adverse current - Google Patents
A kind of linkage pumping mechanism avoiding adverse current Download PDFInfo
- Publication number
- CN110529354A CN110529354A CN201910970754.2A CN201910970754A CN110529354A CN 110529354 A CN110529354 A CN 110529354A CN 201910970754 A CN201910970754 A CN 201910970754A CN 110529354 A CN110529354 A CN 110529354A
- Authority
- CN
- China
- Prior art keywords
- pump housing
- piston
- adverse current
- push plate
- annular groove
- 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.)
- Pending
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 22
- 230000002411 adverse Effects 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 239000000126 substance 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
-
- 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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
-
- 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
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of linkage pumping mechanisms for avoiding adverse current, it include: inlet tube, outlet tube, piston, the pump housing, connecting rod, push plate, pedestal, turntable, sleeve-type valve core, actuating arm and rotation drive device, the piston setting is in the cavity, the front end indent of the pump housing is provided with and the body concentric annular groove of chamber, the sleeve-type valve core end extends in annular groove, the front end of sleeve-type valve core is arranged in the push plate, the connecting rod is arranged between the push plate back side and piston, eccentric setting has drive rod on the turntable, the inlet tube is arranged in pump housing outer circle front side, the first inlet of connection inlet tube and annular groove is provided on the pump housing, the annular groove rear portion is provided with the second inlet being connected to cavity, the outlet tube is arranged in pump housing rear end.By the above-mentioned means, the linkage pumping mechanism of the present invention for avoiding adverse current, the problem of avoiding adverse current, work efficiency is high, and cleaning convenience avoids the pollution to subsequent solution.
Description
Technical field
The present invention relates to hydraulic pump technical fields, more particularly to a kind of linkage pumping mechanism for avoiding adverse current.
Background technique
It is temporary to have part solution in reaction kettle and other NaOH solution tank NaOHs, it is then exhausted from after needing to mix or react.In order to realize
The quick discharge or transfer of solution, are usually equipped with electric pump in outlet in reaction kettle and other NaOH solution tank NaOHs.
The structure of electric pump is usually relatively complex, it has not been convenient to dismantled and cleared up, be easy remaining chemical solution and after polluting
Continuous reaction solution is unfavorable for the progress of subsequent production, needs to improve.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of linkage pumping mechanisms for avoiding adverse current, promote disassembly cleaning
Convenience, avoid the reflux problem in pumping procedure, promote working efficiency.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of linkage avoiding adverse current is provided
Pumping mechanism, comprising: inlet tube, outlet tube, piston, the pump housing, connecting rod, push plate, pedestal, turntable, sleeve-type valve core, actuating arm and
Rotation drive device, the pump housing are horizontally set on pedestal, the pump housing back-end closure and front end indent is provided with and piston
Corresponding cavity, in the cavity, the front end indent of the pump housing is provided with and the body concentric annular groove of chamber, institute for the piston setting
It states sleeve-type valve core end to extend in annular groove, the front end of sleeve-type valve core is arranged in the push plate, and the connecting rod setting exists
Between the push plate back side and piston, the rotation drive device is set on the base and is located at the front of push plate, the turntable setting
On the output shaft of rotation drive device, eccentric setting has drive rod on the turntable, and the push plate front end is provided with axis pin base,
The actuating arm is arranged between drive rod and axis pin base, by the rotation of turntable, drives the reciprocating motion of push plate and piston, institute
State the first feed liquor that inlet tube setting is provided with connection inlet tube and annular groove on pump housing outer circle front side, the pump housing
Mouthful, the annular groove rear portion is provided with the second inlet being connected to cavity, and the outlet tube is arranged in pump housing rear end, the pump
Body rear end is provided with the liquid outlet of connection outlet tube and cavity, is provided with check valve on the outlet tube.
In a preferred embodiment of the present invention, the rotation drive device is reduction gearbox, the input terminal of the reduction gearbox
Motor is provided with to be driven.
In a preferred embodiment of the present invention, the actuating arm front end is provided with the bearing being set on drive rod.
In a preferred embodiment of the present invention, the pin for running through actuating arm from thickness direction is provided on the axis pin base
Axis.
In a preferred embodiment of the present invention, the first sealing corresponding with cavity inner wall is provided on the outside piston
Circle.
In a preferred embodiment of the present invention, the annular groove oral area is provided with and sleeve-type valve core outer circle and inner wall pair
The second sealing ring answered.
The beneficial effects of the present invention are: a kind of linkage pumping mechanism for avoiding adverse current that the present invention points out, passes through turntable band
The revolution of dynamic drive rod, realizes the reciprocating promotion of actuating arm, thus the movement with piston, when piston retracts, in the cavity
Negative pressure is formed, sleeve-type valve core, which synchronizes, to be retreated and gradually open the first inlet, and the solution in inlet tube is quickly sucked, and piston is endured
Into when, sleeve-type valve core advanced in unison and first close the first inlet, form positive pressure in the cavity, by outlet tube will be pressurized after
Solution send out, avoid the problem that adverse current, work efficiency is high, simple for structure, removes drive rod, so that it may release the limit of actuating arm
Sleeve-type valve core and piston taking-up are cleared up, greatly improve the convenience of cleaning, avoid the dirt to subsequent solution by position
Dye.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is a kind of structural schematic diagram (feed liquor) for linkage one preferred embodiment of pumping mechanism for avoiding adverse current of the present invention；
Fig. 2 is a kind of structural schematic diagram (drain) for the linkage another state of pumping mechanism for avoiding adverse current of the present invention.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Fig. 1 ~ Fig. 2 is please referred to, the embodiment of the present invention includes:
The linkage pumping mechanism for avoiding adverse current as shown in Figure 1, comprising: inlet tube 12, piston 20, the pump housing 2, connects outlet tube 16
Bar 21, push plate 8, pedestal 1, turntable 7, sleeve-type valve core 9, actuating arm 6 and rotation drive device 3, the pump housing 2 are horizontally set on
On pedestal 1, it is fixed by bolts.
2 back-end closure of the pump housing and front end indent are provided with cavity corresponding with piston 20, and the setting of piston 20 exists
In cavity, facilitate the movement of piston 20, the first sealing ring 19 corresponding with cavity inner wall is provided on the outside piston, is avoided
Leakage problem.
The front end indent of the pump housing 2 is provided with to be extended with the body concentric annular groove 14 of chamber, 9 end of sleeve-type valve core
Into annular groove 14, the annular groove oral area is provided with the second sealing ring 10 corresponding with sleeve-type valve core outer circle and inner wall, keeps away
Exempt from the leakage of solution.The front end of sleeve-type valve core 9 is arranged in the push plate 8, is welded and fixed, stable structure.
The connecting rod 21 is arranged between 8 back side of push plate and piston 20, and sleeve-type valve core 9 and piston 20 are being pushed away
It is moved synchronously under the action of plate 8.21 both ends of connecting rod can be welded with push plate 8 and piston 20 respectively, and sound construction can also push away
Mounting-fixing base on plate 8 and piston 20 carries out the pin joint at 21 both ends of connecting rod, reduces assembling difficulty.
The front on pedestal 1 and being located at push plate 8 is arranged in the rotation drive device 3, and the setting of turntable 7 is driven in rotation
On the output shaft of dynamic device 3, the rotation drive device 3 is reduction gearbox, and the input terminal of the reduction gearbox 3 is provided with motor progress
Driving, motor can use servo motor, be driven by PLC controller, and running accuracy is high, can control the fortune of piston 20
Dynamic frequency realizes intermittent pumping, is conducive to the filling of solution.
Eccentric setting has drive rod 5 on the turntable 7, and 8 front end of push plate is provided with axis pin base 17, the actuating arm 6
It is arranged between drive rod 5 and axis pin base 17, the pin shaft for running through actuating arm 6 from thickness direction is provided on the axis pin base 17,
Adapt to the swing of actuating arm 6.
By the rotation of turntable 7, the reciprocating motion of push plate 8 and piston 20 is driven.6 front end of actuating arm, which is provided with, to be arranged
Bearing 4 on drive rod 5, avoids the abrasion of drive rod 5 and actuating arm 6, and drive rod 5 is fixed on turntable 7 using engagement thread
On, disassembly convenience.Remove drive rod 5, so that it may which sleeve-type valve core 9 and piston 20 are taken out and carried out by the limit for releasing actuating arm 6
Cleaning, greatly improves the convenience of cleaning, avoids the pollution to subsequent solution.
The inlet tube 12 is arranged in 2 outer circle front side of the pump housing, is attached by flange and screw.The pump housing 2
On be provided with connection inlet tube 12 and annular groove 14 the first inlet 11,14 rear portion of annular groove is provided with to be connected to cavity
The second inlet 13, the first inlet 11 and the second inlet 13 allow the solution in inlet tube 12 to enter cavity.
The outlet tube 16 is arranged in 2 rear end of the pump housing, is attached by flange and screw.2 rear end of the pump housing setting
There is the liquid outlet 15 of connection outlet tube 16 and cavity to avoid out as shown in Fig. 2, being provided with check valve 18 on the outlet tube 16
Solution in liquid pipe 16 flows back into cavity.
The revolution of drive rod 5 is driven by turntable 7, the reciprocating promotion of actuating arm 6 is realized, thus the fortune with piston 20
It is dynamic, when piston 20 retracts, negative pressure is formed in the cavity, and sleeve-type valve core 9, which synchronizes, to be retreated and gradually open the first inlet 11, fastly
Speed sucks the solution in inlet tube 12, when piston 20 is drive on boldly, 9 advanced in unison of sleeve-type valve core and first closes the first inlet 11,
Positive pressure is formed in the cavity, and pressurized solution is sent out by outlet tube 16, avoids the problem that adverse current, work efficiency is high.
In conclusion a kind of linkage pumping mechanism for avoiding adverse current that the present invention points out, simple for structure, cleaning is just
Benefit, and reflux problem is avoided when pumping, the efficiency of work is improved, intermittent pumping can also be carried out, it is applied widely
It is general.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (6)
1. a kind of linkage pumping mechanism for avoiding adverse current characterized by comprising inlet tube, outlet tube, piston, the pump housing, company
Bar, push plate, pedestal, turntable, sleeve-type valve core, actuating arm and rotation drive device, the pump housing are horizontally set on pedestal, institute
State pump housing back-end closure and front end indent is provided with cavity corresponding with piston, the piston setting in the cavity, the pump housing
Front end indent be provided with and extended in annular groove with the body concentric annular groove of chamber, the sleeve-type valve core end, the push plate
The front end of sleeve-type valve core is set, and the connecting rod is arranged between the push plate back side and piston, the rotation drive device setting
Front on pedestal and positioned at push plate, the turntable are arranged on the output shaft of rotation drive device, eccentric on the turntable
It is provided with drive rod, the push plate front end is provided with axis pin base, and the actuating arm is arranged between drive rod and axis pin base, passes through
The rotation of turntable, drives the reciprocating motion of push plate and piston, and the inlet tube is arranged in pump housing outer circle front side, the pump housing
On be provided with connection inlet tube and annular groove the first inlet, the annular groove rear portion be provided be connected to cavity second into
Liquid mouth, the outlet tube are arranged in pump housing rear end, and the pump housing rear end is provided with the liquid outlet of connection outlet tube and cavity, described
Check valve is provided on outlet tube.
2. the linkage pumping mechanism according to claim 1 for avoiding adverse current, which is characterized in that the rotation drive device is
Reduction gearbox, the input terminal of the reduction gearbox are provided with motor and are driven.
3. the linkage pumping mechanism according to claim 1 for avoiding adverse current, which is characterized in that the actuating arm front end setting
There is the bearing being set on drive rod.
4. the linkage pumping mechanism according to claim 1 for avoiding adverse current, which is characterized in that be provided on the axis pin base
Run through the pin shaft of actuating arm from thickness direction.
5. the linkage pumping mechanism according to claim 1 for avoiding adverse current, which is characterized in that be arranged on the outside piston
There is the first sealing ring corresponding with cavity inner wall.
6. the linkage pumping mechanism according to claim 1 for avoiding adverse current, which is characterized in that the annular groove oral area setting
There is the second sealing ring corresponding with sleeve-type valve core outer circle and inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970754.2A CN110529354A (en) | 2019-10-14 | 2019-10-14 | A kind of linkage pumping mechanism avoiding adverse current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910970754.2A CN110529354A (en) | 2019-10-14 | 2019-10-14 | A kind of linkage pumping mechanism avoiding adverse current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110529354A true CN110529354A (en) | 2019-12-03 |
Family
ID=68671768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910970754.2A Pending CN110529354A (en) | 2019-10-14 | 2019-10-14 | A kind of linkage pumping mechanism avoiding adverse current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110529354A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392679A (en) * | 2020-11-16 | 2021-02-23 | 台州辉腾泵业有限公司 | Compound water pump |
| CN112791476A (en) * | 2020-12-25 | 2021-05-14 | 蒋春梅 | Energy-saving high-efficient type sewage filters recovery plant |
| CN113477642A (en) * | 2021-06-05 | 2021-10-08 | 阳泉鑫丰溢科技有限公司 | Waste zinc-containing material packaging bag recycling and cleaning device |
| CN113623164A (en) * | 2021-09-06 | 2021-11-09 | 德帕姆(杭州)泵业科技有限公司 | Environment-friendly metering pump and control device thereof |
| CN115126673A (en) * | 2022-07-21 | 2022-09-30 | 镇江宝城注浆设备有限公司 | Reciprocating pump with protection function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533291Y (en) * | 2002-02-01 | 2003-01-29 | 徐明凯 | Reciprocating pump |
| CN101290002A (en) * | 2008-04-30 | 2008-10-22 | 林波 | Dosage pump and its drive apparatus |
| CN203477402U (en) * | 2013-09-23 | 2014-03-12 | 干平 | Baffle valve |
| EP3088736A1 (en) * | 2015-05-01 | 2016-11-02 | Sugino Machine Limited | Piston pump and material processing apparatus having piston pump |
| CN107781457A (en) * | 2017-11-06 | 2018-03-09 | 北京理工大学 | A kind of side valve type proportional pressure-reducing valve |
| CN210799248U (en) * | 2019-10-14 | 2020-06-19 | 沙洲职业工学院 | Linkage pumping mechanism capable of avoiding countercurrent |
-
2019
- 2019-10-14 CN CN201910970754.2A patent/CN110529354A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533291Y (en) * | 2002-02-01 | 2003-01-29 | 徐明凯 | Reciprocating pump |
| CN101290002A (en) * | 2008-04-30 | 2008-10-22 | 林波 | Dosage pump and its drive apparatus |
| CN203477402U (en) * | 2013-09-23 | 2014-03-12 | 干平 | Baffle valve |
| EP3088736A1 (en) * | 2015-05-01 | 2016-11-02 | Sugino Machine Limited | Piston pump and material processing apparatus having piston pump |
| CN107781457A (en) * | 2017-11-06 | 2018-03-09 | 北京理工大学 | A kind of side valve type proportional pressure-reducing valve |
| CN210799248U (en) * | 2019-10-14 | 2020-06-19 | 沙洲职业工学院 | Linkage pumping mechanism capable of avoiding countercurrent |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392679A (en) * | 2020-11-16 | 2021-02-23 | 台州辉腾泵业有限公司 | Compound water pump |
| CN112791476A (en) * | 2020-12-25 | 2021-05-14 | 蒋春梅 | Energy-saving high-efficient type sewage filters recovery plant |
| CN113477642A (en) * | 2021-06-05 | 2021-10-08 | 阳泉鑫丰溢科技有限公司 | Waste zinc-containing material packaging bag recycling and cleaning device |
| CN113623164A (en) * | 2021-09-06 | 2021-11-09 | 德帕姆(杭州)泵业科技有限公司 | Environment-friendly metering pump and control device thereof |
| CN115126673A (en) * | 2022-07-21 | 2022-09-30 | 镇江宝城注浆设备有限公司 | Reciprocating pump with protection function |
| CN115126673B (en) * | 2022-07-21 | 2024-05-03 | 镇江宝城注浆设备有限公司 | Reciprocating pump with protection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110529354A (en) | A kind of linkage pumping mechanism avoiding adverse current | |
| CN112546903A (en) | Be used for abluent chemical cleaning liquid medicine automatic stirring of reverse osmosis membrane to prepare device | |
| CN2924063Y (en) | Five-cylinder horizontal piston slurry pump | |
| CN210799248U (en) | Linkage pumping mechanism capable of avoiding countercurrent | |
| CN212744059U (en) | Novel dust removal that tunnel engineering used device | |
| CN110576230B (en) | Automatic welding device for manhole door of wind power generation tower cylinder | |
| CN209671156U (en) | A kind of plunger type gluing device | |
| CN102141019A (en) | Novel metering pump | |
| CN212615210U (en) | Toothed reciprocating pump | |
| CN214077532U (en) | Suck-back dispensing valve | |
| CN111330789B (en) | Prevent deposiing and energy-conserving security protection and patrol inspection robot and use and spray structure | |
| CN2826000Y (en) | Power transformation apparatus | |
| CN111706487A (en) | Toothed reciprocating pump | |
| CN208534746U (en) | A kind of clear barrel using screw pump | |
| CN2890015Y (en) | Digitally-controlled continuous liquid filling machine | |
| CN216173734U (en) | Two-component glue outlet valve | |
| CN209934570U (en) | Speed-reducing type pneumatic lifting mixer with material suction function | |
| CN221722981U (en) | High-viscosity reciprocating plunger pump | |
| CN216518460U (en) | Plunger type double-liquid grouting pump convenient for flow adjustment | |
| CN221462537U (en) | Strong self-priming chemical process pump | |
| CN215109308U (en) | Energy-saving plunger pump | |
| CN213144919U (en) | High-strength integrated rotary oil cylinder | |
| CN220860397U (en) | Sterilizing device for biological fermentation tank | |
| CN220616284U (en) | Electric filling machine | |
| CN218963147U (en) | Injection pump of coating machine |
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 |