CN111135884A - Multi-channel adjustable injection pump structure - Google Patents

Multi-channel adjustable injection pump structure Download PDF

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Publication number
CN111135884A
CN111135884A CN202010036163.0A CN202010036163A CN111135884A CN 111135884 A CN111135884 A CN 111135884A CN 202010036163 A CN202010036163 A CN 202010036163A CN 111135884 A CN111135884 A CN 111135884A
Authority
CN
China
Prior art keywords
transmission
transmission gear
plate
gear
nut
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
Application number
CN202010036163.0A
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Chinese (zh)
Inventor
张鹏成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Qishu Biotechnology Co Ltd
Original Assignee
Anhui Qishu Biotechnology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Qishu Biotechnology Co Ltd filed Critical Anhui Qishu Biotechnology Co Ltd
Priority to CN202010036163.0A priority Critical patent/CN111135884A/en
Publication of CN111135884A publication Critical patent/CN111135884A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02Burettes; Pipettes
    • B01L3/021Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B01L3/0217Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14Pistons, piston-rods or piston-rod connections

Abstract

The invention provides a multichannel adjustable injection pump structure, which comprises: the injection pump clamping device comprises a bottom plate, a top plate, a driving shaft, a plurality of injection pumps, speed-regulating transmission mechanisms and clamping mechanisms, wherein the speed-regulating transmission mechanisms and the clamping mechanisms are in one-to-one correspondence with the injection pumps; the speed regulation transmission mechanism comprises: a support plate and a plurality of transmission modules; the transmission module comprises a first transmission gear, a second transmission gear and a concentric transmission gear which are rotatably arranged on the corresponding supporting plate; the first transmission gear drives the concentric transmission gear to rotate at equal angles, and the concentric transmission gear drives the second transmission gear to rotate at equal stroke; in the transmission modules, the ratio of the diameter of the concentric transmission gear to the diameter of the first transmission gear is used as a transmission coefficient, and the transmission coefficients of any two transmission modules are different. The invention can adjust the transmission module on the transmission station in each speed-adjusting transmission mechanism, thereby realizing the adjustment of the movement speed of the piston rod of each injection pump and the adjustment of the injection speed of each injection pump, and meeting the requirements of injection quantities with different proportions.

Description

Multi-channel adjustable injection pump structure
Technical Field
The invention relates to the technical field of injection pumps, in particular to a multi-channel adjustable injection pump structure.
Background
With the wide application of microfluidic chips in various chemical experiments and detection in recent years, in one experiment, the injection rate and the injection sequence of a plurality of medicines may be required, and the simultaneous injection of a plurality of medicines according to different proportions is sometimes required in the experiment process, so that the performance requirements on an injection system are more and more strict, the accurate injection of the medicines according to the set injection rate is required, and an operator is also required to conveniently set the cooperative work of all pumps.
Although some injection pump systems exist at home and abroad at present, most of the designs of circuit control units of the injection pump systems are designed by taking one pump as a center, and then other pumps are controlled by cascading the pumps, so that great operation inconvenience is brought to the operation of operators needing to work the pumps in a coordinated mode. Moreover, the design scheme is too dependent on program control, and once data are stable, chain reaction occurs, so that uncontrollable experimental errors are caused.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a multi-channel adjustable injection pump structure.
The invention provides a multichannel adjustable injection pump structure, which comprises: the injection pump clamping device comprises a bottom plate, a top plate, a driving shaft, a plurality of injection pumps, speed-regulating transmission mechanisms and clamping mechanisms, wherein the speed-regulating transmission mechanisms and the clamping mechanisms are in one-to-one correspondence with the injection pumps; the top plate is horizontally arranged above the bottom plate through the supporting columns;
the injection pump comprises a cylinder and a piston rod; the fixture includes: the device comprises a bracket, a nut clamp, a barrel clamp, a guide rod and a barrel clamp; the bracket is arranged on the bottom plate, the nut clamp and the barrel clamp are both arranged on the bracket, the barrel is arranged on the barrel clamp, the nut is rotationally arranged on the nut clamp, and the axis of the nut is superposed with the axis of the barrel; the piston rod penetrates through the nut and is in threaded connection with the nut, and the guide rod is vertically arranged on the lower surface of the top plate and inserted into the piston rod; in the rotation process of the nut, the piston rod slides up and down along the guide rod;
the driving shaft is rotatably arranged on the top plate and is vertically arranged, and a driving gear is sleeved on the driving shaft;
the speed regulation transmission mechanism comprises: the device comprises a supporting plate, a plurality of transmission modules and supporting plates which correspond to the transmission modules one by one; the supporting plate moves up and down and is horizontally arranged on the upper surface of the top plate, a plurality of connecting rods which are vertically arranged are arranged on the supporting plate, and the connecting rods penetrate through the top plate and are in sliding connection with the top plate; each supporting plate is horizontally arranged on the connecting rod;
the transmission module comprises a first transmission gear, a second transmission gear and a concentric transmission gear which are rotatably arranged on the corresponding supporting plate; the first transmission gear drives the concentric transmission gear to rotate at equal angles, and the concentric transmission gear drives the second transmission gear to rotate at equal stroke; in the transmission modules, the ratio of the diameter of the concentric transmission gear to the diameter of the first transmission gear is used as a transmission coefficient, and the transmission coefficients of any two transmission modules are different;
the connecting rod is provided with a transmission station on the motion trail, a transmission module is positioned on the transmission station, a first transmission gear of the transmission module is meshed with the driving gear, and a second transmission gear of the transmission module is meshed with the corresponding nut.
Preferably, in the transmission module, the concentric transmission gear and the first transmission gear are coaxially arranged and synchronously rotate, and the concentric transmission gear is in transmission connection with the second transmission gear through a gear.
Preferably, in the transmission module, the concentric transmission gear is meshed with the second transmission gear; the transmission module further comprises a third transmission gear, the third transmission gear is in transmission connection with the first transmission gear through a gear, and the concentric transmission gear and the third transmission gear are coaxially arranged and synchronously rotate.
Preferably, two syringe pumps are included and mounted on opposite sides of the drive shaft.
Preferably, 4 transmission modules are arranged in the same speed-regulating transmission mechanism, and the ratio of the transmission coefficients of the 4 transmission modules is 1:2:3: 4.
Preferably, the nut clip is a notched ring with a U-shaped cross section and an inner diameter matching the outer diameter of the nut.
Preferably, the cartridge is removably mounted to the cartridge holder.
Preferably, a first motor for driving the driving shaft to rotate is mounted on the top plate.
Preferably, a cylinder for driving the support plate to move up and down is installed on the top plate corresponding to each support plate.
According to the multichannel adjustable injection pump structure, when any one transmission module in the speed-regulating transmission mechanism is positioned at a transmission station, the corresponding nut can rotate along with the driving shaft, so that the piston rod is driven to move, and the operation of the injection pump is realized. The speed-regulating transmission mechanisms are in one-to-one correspondence with the injection pumps, so that the transmission modules positioned on the transmission stations in the speed-regulating transmission mechanisms can be regulated by driving different supporting plates to move, the movement speed of the piston rods of the injection pumps can be regulated, the injection speed of the injection pumps can be regulated, and the requirements of injection quantities in different proportions can be met.
Drawings
FIG. 1 is a front view of a multi-channel adjustable syringe pump according to the present invention;
FIG. 2 is a top view of a multi-channel adjustable syringe pump according to the present invention;
FIG. 3 is a perspective view of a multi-channel adjustable syringe pump according to the present invention;
FIG. 4 is another angular view of FIG. 3;
FIG. 5 is a further angular view of FIG. 3;
fig. 6 is a perspective view of the clamping mechanism of fig. 1.
The figure is as follows: the gear transmission mechanism comprises a bottom plate 1, a top plate 2, a driving shaft 3, a driving gear 3-1, a cylinder 4-1, a piston rod 4-2, a support 5-1, a nut 5-2, a nut clamp 5-3, a cylinder clamp 5-4, a guide rod 5-5, a cylinder 5-6 support plate 6-1, a connecting rod 6-2, a support plate 6-3, a first transmission gear 6-4, a second transmission gear 6-5, a concentric transmission gear 6-6 and a third transmission gear 6-7.
Detailed Description
Referring to fig. 1, the present invention provides a multi-channel adjustable injection pump structure, which includes: the injection molding machine comprises a bottom plate 1, a top plate 2, a driving shaft 3, a plurality of injection pumps, a speed-regulating transmission mechanism and a clamping mechanism, wherein the speed-regulating transmission mechanism and the clamping mechanism correspond to the injection pumps one to one. The top plate 2 is horizontally arranged above the bottom plate 1 through a support column.
Referring to fig. 6, the syringe pump includes a cylinder 4-1 and a piston rod 4-2. The fixture includes: 5-1 parts of bracket, 5-2 parts of nut, 5-3 parts of nut clamp, 5-4 parts of cylinder clamp, 5-5 parts of guide rod and 5-4 parts of cylinder clamp. The support 5-1 is arranged on the bottom plate 1, the nut clamp 5-3 and the cylinder clamp 5-4 are both arranged on the support 5-1, the cylinder 4-1 is arranged on the cylinder clamp 5-4, the nut 5-2 is rotatably arranged on the nut clamp 5-3, and the axis of the nut 5-2 is coincident with the axis of the cylinder 4-1. That is, the nut clip 5-3 and the barrel clip 5-4 are used to hold the nut 5-2 and the barrel 4-1, respectively. In specific implementation, the cylinder clamp 5-4 can be detachably connected with the cylinder 4-1 so as to replace the cylinder 4-1. The nut clamp 5-3 is a notched ring with a U-shaped section and an inner diameter matched with the outer diameter of the nut 5-2, so that the nut 5-2 can rotate horizontally and reliably.
The piston rod 4-2 penetrates through the nut 5-2 and is in threaded connection with the nut 5-2, and the guide rod 5-5 is vertically arranged on the lower surface of the top plate 2 and inserted into the piston rod 4-2. In the process of rotating the nut 5-2, the piston rod 4-2 slides up and down along the guide rod 5-5. Therefore, the piston rod 4-2 is sleeved with the guide rod 5-5 and is in sliding connection with the guide rod 5-5, the piston rod 4-2 is limited to rotate along with the nut 5-2, and accordingly the rotation of the nut 5-2 without horizontal movement is converted into the up-and-down sliding of the piston rod 4-2 along the guide rod 5-5, the piston movement of the piston rod 4-2 is achieved, and the injection pump works.
The driving shaft 3 is rotatably installed on the top plate 2 and vertically arranged, a driving gear 3-1 is sleeved on the driving shaft 3, and the driving gear 3-1 and the driving shaft 3 synchronously rotate. In the present embodiment, a first motor for driving the driving shaft 3 to rotate is mounted on the top plate 2.
The speed regulation transmission mechanism comprises: the device comprises a supporting plate 6-1, a plurality of transmission modules and supporting plates 6-3 which correspond to the transmission modules one by one. The supporting plate 6-1 is horizontally arranged on the upper surface of the top plate 2 in an up-and-down movement mode, a plurality of connecting rods 6-2 which are vertically arranged are arranged on the supporting plate 6-1, and the connecting rods 6-2 penetrate through the top plate 2 and are in sliding connection with the top plate 2. Each supporting plate 6-3 is horizontally arranged on the connecting rod 6-2. Therefore, the supporting plates 6-3 can be driven to synchronously move by the up-and-down movement of the supporting plates 6-1. In the present embodiment, a cylinder 5-6 for driving the support plate 6-1 to move up and down is installed on the top plate 2 corresponding to each support plate 6-1, so that the support plate 6-1 is driven to move up and down by the cylinder 5-6.
The transmission module comprises a first transmission gear 6-4, a second transmission gear 6-5 and a concentric transmission gear 6-6 which are rotatably arranged on the corresponding supporting plate 6-3. The first transmission gear 6-4 drives the concentric transmission gear 6-6 to rotate at equal angles, and the concentric transmission gear 6-6 drives the second transmission gear 6-5 to rotate at equal strokes. In the transmission modules, the ratio of the diameter of the concentric transmission gear 6-6 to the diameter of the first transmission gear 6-4 is used as a transmission coefficient, and the transmission coefficients of any two transmission modules are different.
The connecting rod 6-2 is provided with a transmission station on the motion trail, a transmission module is arranged on the transmission station, a first transmission gear 6-4 of the transmission module is meshed with the driving gear 3-1, and a second transmission gear 6-5 of the transmission module is meshed with the corresponding nut 5-2.
Therefore, when any one transmission module is positioned at a transmission station, the nut 5-2 can rotate along with the driving shaft 3, so that the piston rod 4-2 is driven to move, and the injection pump works. Because the speed-regulating transmission mechanisms correspond to the injection pumps one by one, the transmission modules positioned on the transmission stations in each speed-regulating transmission mechanism can be adjusted by driving different supporting plates 6-1 to move, so that the movement speed of the piston rod 4-2 of each injection pump can be adjusted, the injection speed of each injection pump can be adjusted, and the requirements of injection quantities in different proportions can be met.
The operation of the multi-channel adjustable syringe pump structure will be further described with reference to the embodiment shown in fig. 1.
Referring to fig. 1 to 5, in the present embodiment, two syringe pumps are included and installed on two opposite sides of the driving shaft 3 to avoid mutual interference.
In the embodiment, the speed-regulating transmission mechanism comprises 4 transmission modules, when the rotation angle of the driving shaft 3 is α, the stroke of the driving gear 3-1 is pi d α, d is the diameter of the driving gear, in the transmission process of the transmission modules, the first transmission gear 6-4 and the driving gear 3-1 have the same stroke and are pi d α, and the rotation angles of the concentric transmission gear 6-6 and the first transmission gear 6-4 are the same and are bothd1The diameter of the first drive gear 6-4; the second transmission gear 6-5 has the same stroke as the concentric transmission gear 6-6, and the strokes are all the sameAnd the nut 5-2 has the same stroke as the second transmission gear 6-5.
Thus, the transmission module has a transmission coefficient of
Therefore, in the present embodiment, the transmission ratio of the four transmission modules is:
wherein k isnFor the transmission coefficient of the nth transmission module in the speed-regulating transmission, d0-nThe diameter of the concentric transmission gears 6-6 in the nth transmission module, d1-nThe diameter of a first transmission gear 6-4 in the nth transmission module is more than or equal to 1 and less than or equal to 4.
In this example, d0-1=d0-2=d0-3=d0-4,d1-1:d1-2:d1-3:d1-4=1:2:3:4。
Thus, k1:k2:k3:k4=4:3:2:1。
So, in this embodiment, through adjusting the transmission module on the transmission station that two syringe pumps correspond, can realize the injection ratio in 6: 1:1, 1:2, 1:3, 1:4, 2:3, 3: 4.
In this embodiment, the concentric drive gear 6-6 is meshed with the second drive gear 6-5 in the drive module. The transmission module further comprises a third transmission gear 6-7, the third transmission gear 6-7 is in transmission connection with the first transmission gear 6-4 through a gear, and the concentric transmission gear 6-6 and the third transmission gear 6-7 are coaxially arranged and synchronously rotate.
In the transmission module, a concentric transmission gear 6-6 and a first transmission gear 6-4 are coaxially arranged and synchronously rotate, and the concentric transmission gear 6-6 is in transmission connection with a second transmission gear 6-5 through a gear.
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 are equivalent to or changed within the technical scope of the present invention.

Claims (9)

1. A multi-channel adjustable syringe pump structure, comprising: the injection pump speed regulation device comprises a bottom plate (1), a top plate (2), a driving shaft (3), a plurality of injection pumps, and a speed regulation transmission mechanism which correspond to the injection pumps one by one; the top plate (2) is horizontally arranged above the bottom plate (1) through a support column;
the injection pump comprises a cylinder body (4-1) and a piston rod (4-2); the speed regulation transmission mechanism comprises: the device comprises a support (5-1), a nut (5-2), a nut clamp (5-3), a cylinder clamp (5-4), a guide rod (5-5) and a cylinder clamp (5-4); the support (5-1) is arranged on the bottom plate (1), the nut clamp (5-3) and the barrel clamp (5-4) are both arranged on the support (5-1), the barrel (4-1) is arranged on the barrel clamp (5-4), the nut (5-2) is rotatably arranged on the nut clamp (5-3), and the axis of the nut (5-2) is coincided with the axis of the barrel (4-1); the piston rod (4-2) penetrates through the nut (5-2) and is in threaded connection with the nut (5-2), and the guide rod (5-5) is vertically arranged on the lower surface of the top plate (2) and inserted into the piston rod (4-2); in the rotation process of the nut (5-2), the piston rod (4-2) slides up and down along the guide rod (5-5);
the driving shaft (3) is rotatably arranged on the top plate (2) and is vertically arranged, and the driving shaft (3) is sleeved with a driving gear (3-1);
the speed regulation transmission mechanism comprises: the device comprises a supporting plate (6-1), a plurality of transmission modules and supporting plates (6-3) which correspond to the transmission modules one by one; the supporting plate (6-1) is horizontally arranged on the upper surface of the top plate (2) in an up-and-down motion manner, a plurality of connecting rods (6-2) which are vertically arranged are arranged on the supporting plate (6-1), and the connecting rods (6-2) penetrate through the top plate (2) and are in sliding connection with the top plate (2); each supporting plate (6-3) is horizontally arranged on the connecting rod (6-2);
the transmission module comprises a first transmission gear (6-4), a second transmission gear (6-5) and a concentric transmission gear (6-6) which are rotatably arranged on the corresponding supporting plate (6-3); the first transmission gear (6-4) drives the concentric transmission gear (6-6) to rotate at equal angles, and the concentric transmission gear (6-6) drives the second transmission gear (6-5) to rotate at equal strokes; in the transmission modules, the ratio of the diameter of the concentric transmission gear (6-6) to the diameter of the first transmission gear (6-4) is used as a transmission coefficient, and the transmission coefficients of any two transmission modules are different;
a transmission station is arranged on the motion trail of the connecting rod (6-2), a transmission module is arranged on the transmission station, a first transmission gear (6-4) of the transmission module is meshed with the driving gear (3-1), and a second transmission gear (6-5) of the transmission module is meshed with the corresponding nut (5-2).
2. The structure of the multichannel adjustable syringe pump as recited in claim 1, characterized in that in the transmission module, the concentric transmission gear (6-6) and the first transmission gear (6-4) are coaxially arranged and synchronously rotate, and the concentric transmission gear (6-6) and the second transmission gear (6-5) are in transmission connection through gears.
3. The multiple channel adjustable syringe pump structure according to claim 1, characterized in that in the transmission module, the concentric transmission gear (6-6) is engaged with the second transmission gear (6-5); the transmission module further comprises a third transmission gear (6-7), the third transmission gear (6-7) is in transmission connection with the first transmission gear (6-4) through a gear, and the concentric transmission gear (6-6) and the third transmission gear (6-7) are coaxially arranged and synchronously rotate.
4. A multiple channel adjustable syringe pump arrangement according to claim 2 or 3, characterized by two syringe pumps mounted on opposite sides of the drive shaft (3).
5. The structure of the multi-channel adjustable injection pump of claim 2 or 3, wherein 4 transmission modules are arranged in the same speed-adjusting transmission mechanism, and the ratio of the transmission coefficients of the 4 transmission modules is 1:2:3: 4.
6. The structure of multichannel adjustable syringe pump according to claim 1, characterized in that the nut clip (5-3) is a notched ring with a U-shaped cross section and an inner diameter matching the outer diameter of the nut (5-2).
7. Multichannel adjustable syringe pump construction according to claim 1, characterised in that the cartridge (4-1) is detachably mounted on the cartridge holder (5-4).
8. A multiple channel adjustable syringe pump structure as claimed in claim 1, characterized in that the top plate (2) is provided with a first motor for driving the drive shaft (3) in rotation.
9. The structure of a multichannel adjustable syringe pump as defined in claim 1, characterized in that a cylinder (5-6) for driving the support plate (6-1) to move up and down is installed on the top plate (2) corresponding to each support plate (6-1).
CN202010036163.0A 2020-01-14 2020-01-14 Multi-channel adjustable injection pump structure Pending CN111135884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010036163.0A CN111135884A (en) 2020-01-14 2020-01-14 Multi-channel adjustable injection pump structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010036163.0A CN111135884A (en) 2020-01-14 2020-01-14 Multi-channel adjustable injection pump structure

Publications (1)

Publication Number Publication Date
CN111135884A true CN111135884A (en) 2020-05-12

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Family Applications (1)

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CN202010036163.0A Pending CN111135884A (en) 2020-01-14 2020-01-14 Multi-channel adjustable injection pump structure

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Country Link
CN (1) CN111135884A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004103888A2 (en) * 2003-05-20 2004-12-02 Zaxis, Inc. Systems and methods for providing a dynamically adjustable reciprocating fluid dispenser
CN1736611A (en) * 2005-08-26 2006-02-22 北京博奥生物芯片有限责任公司 Multi-channeled transposition arrangement and application method thereof
CN101358910A (en) * 2008-09-24 2009-02-04 天津市天大天发科技有限公司 Multichannel syringe pump
CN105624804A (en) * 2014-11-19 2016-06-01 天津工大瑞工光电技术研究院有限公司 Multichannel perpendicular micro-injection device
CN205495611U (en) * 2016-01-21 2016-08-24 山东绿都安特动物药业有限公司 Multitube pipettor
CN208268060U (en) * 2018-04-24 2018-12-21 湖南帕普泵业有限公司 A kind of vertical single screw pump
CN209286375U (en) * 2018-11-07 2019-08-23 安徽省昂普拓迈生物科技有限责任公司 A kind of multichannel linkage type syringe pump
CN110617193A (en) * 2019-09-11 2019-12-27 台州知通科技有限公司 Metering pump piston rod driving device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004103888A2 (en) * 2003-05-20 2004-12-02 Zaxis, Inc. Systems and methods for providing a dynamically adjustable reciprocating fluid dispenser
CN1736611A (en) * 2005-08-26 2006-02-22 北京博奥生物芯片有限责任公司 Multi-channeled transposition arrangement and application method thereof
CN101358910A (en) * 2008-09-24 2009-02-04 天津市天大天发科技有限公司 Multichannel syringe pump
CN105624804A (en) * 2014-11-19 2016-06-01 天津工大瑞工光电技术研究院有限公司 Multichannel perpendicular micro-injection device
CN205495611U (en) * 2016-01-21 2016-08-24 山东绿都安特动物药业有限公司 Multitube pipettor
CN208268060U (en) * 2018-04-24 2018-12-21 湖南帕普泵业有限公司 A kind of vertical single screw pump
CN209286375U (en) * 2018-11-07 2019-08-23 安徽省昂普拓迈生物科技有限责任公司 A kind of multichannel linkage type syringe pump
CN110617193A (en) * 2019-09-11 2019-12-27 台州知通科技有限公司 Metering pump piston rod driving device

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