CN107246379A - A kind of linear high precision peristaltic pump - Google Patents
A kind of linear high precision peristaltic pump Download PDFInfo
- Publication number
- CN107246379A CN107246379A CN201710600133.6A CN201710600133A CN107246379A CN 107246379 A CN107246379 A CN 107246379A CN 201710600133 A CN201710600133 A CN 201710600133A CN 107246379 A CN107246379 A CN 107246379A
- Authority
- CN
- China
- Prior art keywords
- reciprocating motion
- pressure pipe
- straight reciprocating
- motion module
- hose
- 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
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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1223—Machines, pumps, or pumping installations having flexible working members having peristaltic action the actuating elements, e.g. rollers, moving in a straight line during squeezing
-
- 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
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of linear high precision peristaltic pump, including：Lift drive component, pump assembly, straight reciprocating motion module, back-flow preventer, pressure pipe roll wheel assembly and hose；Lifting drive component, back-flow preventer, hose are installed on pump assembly；Straight reciprocating motion module is arranged on lifting drive component, drives straight reciprocating motion module to move up and down by lifting drive component；Pressure pipe roll wheel assembly is arranged on straight reciprocating motion module；Back-flow preventer is arranged on one end of straight reciprocating motion module, and back-flow preventer is connected with lifting drive component, and the elevating movement of back-flow preventer shares a set of power-driven system with the elevating movement of straight reciprocating motion module.The present invention has the advantages that simple, with low cost principle, stable transmission, measuring accuracy are higher.
Description
Technical field
Present invention relates generally to fluid metering technical field, refer in particular to a kind of linear high accuracy suitable for fluid and wriggle
Pump.
Background technology
With the development of technology, many special industries are such as given birth to the precision of metering and the requirement more and more higher of cleanliness factor
Thing pharmaceutical industry, medical industry, chemical industry etc..At present, when carrying out accurate measurement to fluid, typically using plunger pump, compacted
Dynamic pump technology.But existing mode still has some shortcomings, so as to largely effect on the accuracy of metering.
In existing straight line peristaltic pump technology, as shown in fig. 6, straight reciprocating motion module is fixed, pressure pipe roller needs
Moved along a straight line on straight reciprocating motion module, while the pressure pipe for doing raising and lowering is acted, thus entirely transmission is tied
Structure is more complicated.It is farthest from straight line module sliding block during pressure pipe roller pressure pipe, while suffered elastic hose resistance is maximum during work, make
The increase of straight line module sliding block moment of torsion is obtained, transmission efficiency is relatively low and is driven relatively unstable.Simultaneously in existing straight line peristaltic pump technology,
Back-flow preventer and pressure pipe roller devices need each a set of independent power drive, and control is relative complex, and stability is poor.
The content of the invention
The technical problem to be solved in the present invention is that：The technical problem existed for prior art, the present invention provides one
Plant the higher linear high precision peristaltic pump of simple, with low cost principle, stable transmission, measuring accuracy.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of linear high precision peristaltic pump, including：Lift drive component, pump assembly, straight reciprocating motion module, anti-return
Device, pressure pipe roll wheel assembly and at least one set of hose；The lifting drive component, back-flow preventer, hose are pacified
On pump assembly；The straight reciprocating motion module is arranged on lifting drive component, is driven by lifting drive component
The straight reciprocating motion module is moved up and down；The pressure pipe roll wheel assembly is arranged on straight reciprocating motion module；It is described
Back-flow preventer is arranged on one end of straight reciprocating motion module, and the back-flow preventer is connected with lifting drive component, described
The elevating movement of back-flow preventer shares a set of power-driven system with the elevating movement of straight reciprocating motion module.
As a further improvement on the present invention：The lifting drive component includes driving power part and cam mechanism, according to
Curve controlled straight reciprocating motion module elevating movement and the order of back-flow preventer elevating movement by the cam mechanism.
As a further improvement on the present invention：The output end of the driving power part passes through shaft coupling and connecting shaft phase
Even, module lifter cam mechanism and anti-return lifter cam mechanism are installed in the connecting shaft.
As a further improvement on the present invention：The cam mechanism is linear cam mechanism.
As a further improvement on the present invention：The straight reciprocating motion module lifts swing arm by module and module is lifted
Installing plate is installed.
As a further improvement on the present invention：The pump assembly includes base, flexible pipe fixed plate, side seal board, upper cover plate
And locking device, the hose is fixedly installed in flexible pipe fixed plate, and the upper cover plate passes through locking device locking connection.
As a further improvement on the present invention：The hose is arranged on the centre of pressure pipe roll wheel assembly and upper cover plate.
As a further improvement on the present invention：The back-flow preventer includes pressure pipe bar and sliding equipment, the pressure pipe bar
One end with lifting drive component be connected, with it is described lifting drive component driving and sliding equipment cooperation under complete liter
Drop motion, the other end of the pressure pipe bar is used for coordinating to carry out anti-return operation with hose.
As a further improvement on the present invention：The pressure pipe roll wheel assembly includes roller mounting seat, pressure pipe roller and roller
Axle, the pressure pipe roller is installed in roller mounting seat by roller shaft, the pressure pipe roller be used for hose coordinate with
Carry out extruding action.
As a further improvement on the present invention：The hose includes elastic hose and pipe joint, the elastic hose
Arrange that the two ends of the elastic hose are provided with pipe joint along the direction of motion of straight reciprocating motion module.
Compared with prior art, the advantage of the invention is that：The linear high precision peristaltic pump of the present invention, it is simple in construction,
Stable transmission, measuring accuracy is higher.Back-flow preventer is lifted shares a set of power drive line with the lifting of straight reciprocating motion module
System, control simple and stable, energy consumption is low, beneficial to optimizing and lift control accuracy and measuring accuracy.
Brief description of the drawings
Fig. 1 is the structure front sectional view of embodiments of the invention one.
Fig. 2 is Fig. 1 left view sectional view.
Fig. 3 is structural representation when embodiments of the invention one work.
Fig. 4 is the structure front sectional view of embodiments of the invention two.
Fig. 5 is the lifting drive component schematic diagram of embodiments of the invention one.
Fig. 6 is the structural representation of prior art.
Marginal data：
1st, drive component is lifted；11st, power part is driven；12nd, shaft coupling；13rd, bearing block；14th, module lifter cam mechanism；
15th, module lifting swing arm；16th, module liftable mounting plate；17th, anti-return lifter cam mechanism；18th, connecting shaft；19th, linear cam
Mechanism；2nd, pump assembly；21st, base；22nd, flexible pipe fixed plate；23rd, side seal board；24th, upper cover plate；25th, locking device；3rd, straight line
Move back and forth module；4th, back-flow preventer；41st, pressure pipe bar；42nd, sliding equipment；5th, pressure pipe roll wheel assembly；51st, roller mounting seat；
52nd, pressure pipe roller；53rd, roller shaft；6th, hose；61st, elastic hose；62nd, pipe joint.
Embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Embodiment 1：As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, a kind of linear high precision peristaltic pump of the invention, including：Rise
It is soft that drive component 1, pump assembly 2, straight reciprocating motion module 3, back-flow preventer 4, pressure pipe roll wheel assembly 5 and at least one set drop
Tube assembly 6.Lifting drive component 1, back-flow preventer 4, hose 6 are installed on pump assembly 2；Straight reciprocating motion mould
Group 3 is arranged on lifting drive component 1, is driven by lifting drive component 1, and straight reciprocating motion module 3 can do lifting fortune
It is dynamic.Pressure pipe roll wheel assembly 5 is directly fixedly mounted on straight reciprocating motion module 3.Hose 6 is arranged on pressure pipe roll wheel assembly
5 with the centre of the upper cover plate 24 of pump assembly 2；Back-flow preventer 4 is arranged on one end of straight reciprocating motion module 3, and prevents back
Stream device 4 is connected with lifting drive component 1, the elevating movement of back-flow preventer 4 and the elevating movement of straight reciprocating motion module 3
Share a set of power-driven system.
In the present embodiment, lifting drive component 1 includes driving power part 11 and cam mechanism, is controlled by cam curve
The elevating movement of straight reciprocating motion module 3 and the order of the elevating movement of back-flow preventer 4.In the present embodiment, power part is driven
11 are connected by shaft coupling 12 with connecting shaft 18, and module lifter cam mechanism 14 is provided with connecting shaft 18 and anti-return lifting is convex
Mechanism 17 is taken turns, connecting shaft 18 is installed on bearing block 13.Straight reciprocating motion module 3 lifts swing arm 15 and module liter by module
Drop installing plate 16 is installed.
In the present embodiment, pump assembly 2 includes base 21, flexible pipe fixed plate 22, side seal board 23, upper cover plate 24 and locking dress
25 are put, hose 6 is fixedly installed in flexible pipe fixed plate 22, upper cover plate 24 is locked by locking device 25 and connected.
In concrete application example, straight reciprocating motion module 3 can select suitable mechanism according to actual needs, only
Meet the demand of straight reciprocating motion.
In the present embodiment, back-flow preventer 4 includes pressure pipe bar 41 and sliding equipment 42, and one end and the lifting of pressure pipe bar 41 are driven
Dynamic component 1 is connected, and elevating movement, pressure pipe bar are completed under the driving and the cooperation of sliding equipment 42 with lifting drive component 1
41 other end is used for coordinating to carry out anti-return operation with hose 6.It is appreciated that in other examples, it is above-mentioned
Back-flow preventer 4 can use anti-reflux valve, for example, use check valve or pinch valve, or on-off valve according to actual needs, but
It is also not limited to on-off valve and above-mentioned valve group.
In the present embodiment, pressure pipe roll wheel assembly 5 includes roller mounting seat 51, pressure pipe roller 52 and roller shaft 53, pressure pipe rolling
Wheel 52 is installed in roller mounting seat 51 by roller shaft 53, and pressure pipe roller 52 is used for coordinating to be extruded with hose 6
Action.
In the present embodiment, hose 6 includes elastic hose 61 and pipe joint 62, and elastic hose 61 is transported along linear reciprocation
The direction of motion arrangement of dynamic model group 3, the two ends of elastic hose 61 are provided with pipe joint 62.
During work, driven by lifting drive component 1, elevating movement is carried out with straight reciprocating motion module 3, so that pressure pipe
Roll wheel assembly 5 contacts, extrudes or left hose 6；Meanwhile, as straight reciprocating motion module 3 is with pressure pipe roll wheel assembly 5
Moved along the arranged direction of hose 6, measuring fixed amount operation is completed with squeezing tube component 6.During this, anti-return
Device 4 also carries out elevating movement in the case where lifting drive component 1 drives, and is coordinated with hose 6, prevents fluid reflux.
Embodiment 2：As shown in Figure 4 and Figure 5, a kind of linear high precision peristaltic pump of the invention, including：Lift driving group
Part 1, pump assembly 2, straight reciprocating motion module 3, back-flow preventer 4, pressure pipe roll wheel assembly 5 and hose 6.Lifting driving
Component 1, back-flow preventer 4, hose 6 are installed on pump assembly 2；Straight reciprocating motion module 3 is arranged on lifting and driven
On dynamic component 1, driven by lifting drive component 1, straight reciprocating motion module 3 can be moved up and down.Pressure pipe roll wheel assembly 5
Directly it is fixedly mounted on straight reciprocating motion module 3.Hose 6 is arranged on the upper of pressure pipe roll wheel assembly 5 and pump assembly 2
The centre of cover plate 24；Back-flow preventer 4 is arranged on one end of straight reciprocating motion module 3, and back-flow preventer 4 drives with lifting
Component 1 is connected, and the elevating movement of back-flow preventer 4 shares a set of power drive with the elevating movement of straight reciprocating motion module 3
System.
In the present embodiment, lifting drive component 1 includes driving power part 11 and cam mechanism, is controlled by cam curve
The elevating movement of straight reciprocating motion module 3 and the order of the elevating movement of back-flow preventer 4.In the present embodiment, cam mechanism is used
Linear cam mechanism 19.Straight reciprocating motion module 3 lifts swing arm 15 by module and module liftable mounting plate 16 is installed.
In the present embodiment, pump assembly 2 includes base 21, flexible pipe fixed plate 22, side seal board 23, upper cover plate 24 and locking dress
25 are put, hose 6 is fixedly installed in flexible pipe fixed plate 22, upper cover plate 24 is locked by locking device 25 and connected.
In concrete application example, straight reciprocating motion module 3 can select suitable mechanism according to actual needs, only
Meet the demand of straight reciprocating motion.
In the present embodiment, back-flow preventer 4 includes pressure pipe bar 41 and sliding equipment 42, and one end and the lifting of pressure pipe bar 41 are driven
Dynamic component 1 is connected, and elevating movement, pressure pipe bar are completed under the driving and the cooperation of sliding equipment 42 with lifting drive component 1
41 other end is used for coordinating to carry out anti-return operation with hose 6.It is appreciated that in other examples, it is above-mentioned
Back-flow preventer 4 can use anti-reflux valve, for example, use check valve or pinch valve, or on-off valve according to actual needs, but
It is also not limited to on-off valve and above-mentioned valve group.
In the present embodiment, pressure pipe roll wheel assembly 5 includes roller mounting seat 51, pressure pipe roller 52 and roller shaft 53, pressure pipe rolling
Wheel 52 is installed in roller mounting seat 51 by roller shaft 53, and pressure pipe roller 52 is used for coordinating to be extruded with hose 6
Action.
In the present embodiment, hose 6 includes elastic hose 61 and pipe joint 62, and elastic hose 61 is transported along linear reciprocation
The direction of motion arrangement of dynamic model group 3, the two ends of elastic hose 61 are provided with pipe joint 62.
In other embodiments, hose 6, can be by pressure pipe roll wheel assembly 5 come Synchronization Control to be more than two.
During work, driven by lifting drive component 1, elevating movement is carried out with straight reciprocating motion module 3, so that pressure pipe
Roll wheel assembly 5 contacts, extrudes or left hose 6；Meanwhile, as straight reciprocating motion module 3 is with pressure pipe roll wheel assembly 5
Moved along the arranged direction of hose 6, measuring fixed amount operation is completed with squeezing tube component 6.During this, anti-return
Device 4 also carries out elevating movement in the case where lifting drive component 1 drives, and is coordinated with hose 6, prevents fluid reflux.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Scope.
Claims (10)
1. a kind of linear high precision peristaltic pump, it is characterised in that including：Lift drive component（1）, pump assembly（2）, straight line
Move back and forth module（3）, back-flow preventer（4）, pressure pipe roll wheel assembly（5）With at least one set of hose（6）；The lifting is driven
Dynamic component（1）, back-flow preventer（4）, hose（6）It is installed in pump assembly（2）On；The straight reciprocating motion module
（3）Installed in lifting drive component（1）On, by lifting drive component（1）Drive the straight reciprocating motion module（3）Rise
Drop motion；The pressure pipe roll wheel assembly（5）Installed in straight reciprocating motion module（3）On；The back-flow preventer（4）It is arranged on
Straight reciprocating motion module（3）One end, the back-flow preventer（4）With lifting drive component（1）It is connected, the anti-return dress
Put（4）Elevating movement and straight reciprocating motion module（3）Elevating movement share a set of power-driven system.
2. linear high precision peristaltic pump according to claim 1, it is characterised in that the lifting drive component（1）Bag
Include driving power part（11）And cam mechanism, by the curve controlled straight reciprocating motion module of the cam mechanism（3）Rise
Drop motion and back-flow preventer（4）The order of elevating movement.
3. linear high precision peristaltic pump according to claim 2, it is characterised in that the driving power part（11）'s
Output end passes through shaft coupling（12）With connecting shaft（18）It is connected, the connecting shaft（18）On module lifter cam mechanism is installed
（14）With anti-return lifter cam mechanism（17）.
4. linear high precision peristaltic pump according to claim 2, it is characterised in that the cam mechanism is linear cam
Mechanism（19）.
5. linear high precision peristaltic pump according to claim 2, it is characterised in that the straight reciprocating motion module
（3）Swing arm is lifted by module（15）With module liftable mounting plate（16）Install.
6. the linear high precision peristaltic pump according to any one in Claims 1 to 5, it is characterised in that the pump housing
Component（2）Including base（21）, flexible pipe fixed plate（22）, side seal board（23）, upper cover plate（24）And locking device（25）, it is described soft
Tube assembly（6）It is fixedly installed in flexible pipe fixed plate（22）On, the upper cover plate（24）Pass through locking device（25）Locking connection.
7. linear high precision peristaltic pump according to claim 6, it is characterised in that the hose（6）It is arranged on
Pressure pipe roll wheel assembly（5）With upper cover plate（24）Centre.
8. the linear high precision peristaltic pump according to any one in Claims 1 to 5, it is characterised in that described to prevent back
Flow device（4）Including pressure pipe bar（41）And sliding equipment（42）, the pressure pipe bar（41）One end with lifting drive component（1）Phase
Even, with the lifting drive component（1）Driving and sliding equipment（42）Cooperation under complete elevating movement, the pressure pipe
Bar（41）The other end be used for and hose（6）Coordinate to carry out anti-return operation.
9. the linear high precision peristaltic pump according to any one in Claims 1 to 5, it is characterised in that the pressure pipe
Roll wheel assembly（5）Including roller mounting seat（51）, pressure pipe roller（52）And roller shaft（53）, the pressure pipe roller（52）Pass through rolling
Wheel shaft（53）It is installed on roller mounting seat（51）On, the pressure pipe roller（52）It is used for and hose（6）Coordinate to be squeezed
Press work.
10. the linear high precision peristaltic pump according to any one in Claims 1 to 5, it is characterised in that the flexible pipe
Component（6）Including elastic hose（61）And pipe joint（62）, the elastic hose（61）Along straight reciprocating motion module（3）'s
Direction of motion arrangement, the elastic hose（61）Two ends be provided with pipe joint（62）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600133.6A CN107246379A (en) | 2017-07-21 | 2017-07-21 | A kind of linear high precision peristaltic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600133.6A CN107246379A (en) | 2017-07-21 | 2017-07-21 | A kind of linear high precision peristaltic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107246379A true CN107246379A (en) | 2017-10-13 |
Family
ID=60015400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710600133.6A Pending CN107246379A (en) | 2017-07-21 | 2017-07-21 | A kind of linear high precision peristaltic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107246379A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139436A (en) * | 2018-09-30 | 2019-01-04 | 长沙执先智量科技股份有限公司 | A kind of linear peristaltic pump roller gearing |
| CN110030178A (en) * | 2019-03-29 | 2019-07-19 | 长沙执先智量科技股份有限公司 | A kind of high-precision rotary peristaltic pump of cylinder driving |
| CN112078847A (en) * | 2020-08-28 | 2020-12-15 | 湖南执先科技有限公司 | Intelligent filling method and system |
| CN114508481A (en) * | 2022-02-22 | 2022-05-17 | 常州普瑞流体技术有限公司 | Reciprocating cycle peristaltic pump |
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| US3437050A (en) * | 1966-01-10 | 1969-04-08 | Ceskoslovenska Akademie Ved | Peristaltic pumping device |
| AU1139583A (en) * | 1982-02-25 | 1983-09-01 | John T. Broadfoot | Peristaltic pump |
| CN103147964A (en) * | 2013-03-27 | 2013-06-12 | 常州普瑞流体技术有限公司 | Linear peristaltic pump |
| CN103557144A (en) * | 2013-11-07 | 2014-02-05 | 常州普瑞流体技术有限公司 | Linear type peristaltic pump for precise and quantitative fluid conveying |
| CN105033089A (en) * | 2015-08-28 | 2015-11-11 | 江苏合丰机械制造有限公司 | Discharge device of pipe forming equipment |
| CN206172909U (en) * | 2016-11-25 | 2017-05-17 | 重庆市万盛区万兴建筑材料有限公司 | Conveyer of cash brick |
| EP3168472A1 (en) * | 2015-11-12 | 2017-05-17 | Geolyth Mineral Technologie GmbH | Filling apparatus for mineral insulating foams |
| CN207018180U (en) * | 2017-07-21 | 2018-02-16 | 长沙执先智量科技股份有限公司 | A kind of linear high precision peristaltic pump |
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2017
- 2017-07-21 CN CN201710600133.6A patent/CN107246379A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3437050A (en) * | 1966-01-10 | 1969-04-08 | Ceskoslovenska Akademie Ved | Peristaltic pumping device |
| AU1139583A (en) * | 1982-02-25 | 1983-09-01 | John T. Broadfoot | Peristaltic pump |
| CN103147964A (en) * | 2013-03-27 | 2013-06-12 | 常州普瑞流体技术有限公司 | Linear peristaltic pump |
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| CN105033089A (en) * | 2015-08-28 | 2015-11-11 | 江苏合丰机械制造有限公司 | Discharge device of pipe forming equipment |
| EP3168472A1 (en) * | 2015-11-12 | 2017-05-17 | Geolyth Mineral Technologie GmbH | Filling apparatus for mineral insulating foams |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139436A (en) * | 2018-09-30 | 2019-01-04 | 长沙执先智量科技股份有限公司 | A kind of linear peristaltic pump roller gearing |
| CN110030178A (en) * | 2019-03-29 | 2019-07-19 | 长沙执先智量科技股份有限公司 | A kind of high-precision rotary peristaltic pump of cylinder driving |
| CN110030178B (en) * | 2019-03-29 | 2024-05-28 | 湖南执先科技有限公司 | Cylinder-driven high-precision rotary peristaltic pump |
| CN112078847A (en) * | 2020-08-28 | 2020-12-15 | 湖南执先科技有限公司 | Intelligent filling method and system |
| CN114508481A (en) * | 2022-02-22 | 2022-05-17 | 常州普瑞流体技术有限公司 | Reciprocating cycle peristaltic pump |
| CN114508481B (en) * | 2022-02-22 | 2024-02-20 | 常州普瑞流体技术有限公司 | Reciprocating circulation peristaltic pump |
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| PB01 | Publication | ||
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Application publication date: 20171013 |