CN210317636U - Nano-liter quantitative pump - Google Patents
Nano-liter quantitative pump Download PDFInfo
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- CN210317636U CN210317636U CN201921440417.4U CN201921440417U CN210317636U CN 210317636 U CN210317636 U CN 210317636U CN 201921440417 U CN201921440417 U CN 201921440417U CN 210317636 U CN210317636 U CN 210317636U
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- 238000007599 discharging Methods 0.000 claims abstract description 64
- 239000012530 fluid Substances 0.000 abstract description 35
- 239000000463 material Substances 0.000 abstract description 17
- 238000010008 shearing Methods 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 8
- 239000003292 glue Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000003973 paint Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 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 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 230000036632 reaction speed Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a measuring pump technical field especially relates to nano liter constant delivery pump, comprising a base, the cylinder body, the plunger rod, the plunger, drive arrangement, the inlet pipe, the discharging pipe, the plunger is fixed on the plunger rod, the front material mouth has been seted up to the front end of cylinder body, preceding discharge gate, back material mouth has been seted up to the rear end of cylinder body, back discharge gate, the front material mouth is equipped with the feed switch valve, ejection of compact ooff valve before preceding discharge gate is equipped with, back material mouth is equipped with back feed switch valve, back discharge gate is equipped with back ejection of compact ooff valve, the export of inlet pipe respectively with the feed switch valve that advances, back feed switch valve intercommunication, the entry of discharging pipe respectively with preceding ejection of compact ooff valve, back ejection of compact: the fluid continuous output can be realized, the shearing force action does not exist on the fluid, the flow and the output quantity of the fluid can be controlled at high precision, and the nano-liter constant delivery pump can be cleaned quickly.
Description
The technical field is as follows:
the utility model relates to a measuring pump technical field especially relates to nanoliter constant delivery pump.
Background art:
at present, gear pumps, vane pumps or plunger pumps are mainly used as power devices for liquid delivery. In the paint spraying and glue spraying industries, the paint and the glue have the characteristics of high viscosity and sensitivity to shearing force, and the precise control is difficult to realize during small-flow conveying. When the existing gear pump and vane pump products are used for conveying paint or glue, the small flow accurate control cannot be realized under the influence of high viscosity of the paint or glue, the precision is low, the mechanical sealing structure limits the products, and the products are not suitable for high-pressure working conditions; the gear pump is sealed by meshing of gears and conveys flow, has large shearing force to fluid, and is not suitable for fluids sensitive to the shearing force, such as paint, glue and the like. The existing plunger pump product is of a unidirectional extrusion structure, fluid is firstly sucked into a cylinder body to be stored during working, then the fluid in the cylinder body is pushed out, and the operation is repeated, so that the fluid is required to be sucked back for a time, the function of intermittently conveying the fluid can be realized, and the plunger pump is only suitable for intermittent control and is not suitable for continuous control.
The utility model has the following contents:
the utility model aims at providing a nano-liter constant delivery pump which can control the liquid output flow with high precision and can output liquid continuously and quantitatively aiming at the defects existing in the prior art.
In order to realize the purpose, the utility model discloses a technical scheme is:
the nano-lift quantitative pump comprises a base body, a cylinder body arranged on the base body along the front-back direction, a plunger rod arranged in the cylinder body in a sliding manner along the front-back direction, a plunger matched with an inner cavity of the cylinder body in a sliding manner, a driving device for driving the plunger rod to do reciprocating linear motion along the front-back direction, a feeding pipe and a discharging pipe, wherein the plunger is fixed on the plunger rod, the front end of the cylinder body is provided with a front feeding port and a front discharging port, the rear end of the cylinder body is provided with a rear feeding port and a rear discharging port, the front feeding port is provided with a front feeding switch valve, the front discharging port is provided with a front discharging switch valve, the rear feeding port is provided with a rear feeding switch valve, an outlet of the feeding pipe is respectively communicated with the front feeding switch valve and the rear feeding switch.
The driving device drives the plunger rod and the plunger to do reciprocating linear motion along the front-back direction, when the plunger moves forwards, the front feeding switch valve and the rear discharging switch valve are closed, and the rear feeding switch valve and the front discharging switch valve are opened; when the plunger moves backwards, the front feeding switch valve and the rear discharging switch valve are opened, and the rear feeding switch valve and the front discharging switch valve are closed.
The driving device comprises a linear motor arranged on the seat body along the front-back direction, and an output shaft of the linear motor is connected with the plunger rod.
The linear motor is a linear servo motor or a linear stepping motor.
The driving device also comprises a sliding seat and a sliding guide rail arranged on the seat body along the front-back direction, an output shaft of the linear motor is connected with the plunger rod through the sliding seat, and the sliding seat is connected on the sliding guide rail in a sliding manner.
And the linear motor is connected with an absolute value encoder for detecting a rotor position signal of the linear motor.
The utility model discloses still including the controller, the absolute value encoder is connected with the input electricity of controller, and linear electric motor is connected with the output electricity of controller.
The front feeding switch valve, the rear feeding switch valve, the front discharging switch valve and the rear discharging switch valve are all pneumatic control valves.
The base body is provided with 2 reversing electromagnetic valves, the 2 reversing electromagnetic valves are respectively electrically connected with the output end of the controller, the gas signal control ports of the front feeding switch valve and the rear discharging switch valve are communicated with one reversing electromagnetic valve through pipelines, and the gas signal control ports of the rear feeding switch valve and the front discharging switch valve are communicated with the other reversing electromagnetic valve through pipelines.
The utility model has the advantages that: the nano-liter quantitative pump comprises a base, a cylinder body, a plunger rod, a plunger, a driving device, a feeding pipe and a discharging pipe, wherein the plunger is fixed on the plunger rod, the front end of the cylinder body is provided with a front feeding port and a front discharging port, the rear end of the cylinder body is provided with a rear feeding port and a rear discharging port, the front feeding port is provided with a front feeding switch valve, the front discharging port is provided with a front discharging switch valve, the rear feeding port is provided with a rear feeding switch valve, the rear discharging port is provided with a rear discharging switch valve, the outlet of the feeding pipe is respectively communicated with the front feeding switch valve and the rear feeding switch valve, the inlet of the discharging pipe is respectively communicated with the front discharging switch valve and the rear discharging switch valve, the driving device drives the plunger rod and the plunger to reciprocate linearly along the front and rear direction, when the plunger moves forwards, the front feeding switch valve and the rear discharging switch valve are closed, the rear feeding switch valve and the front discharging switch valve are opened, simultaneously, the rear cavity of the cylinder body generates suction force to suck the fluid raw materials into the rear cavity of the cylinder body from the feeding pipe and the rear feeding port in sequence; when the plunger rearward movement, preceding material inlet switch valve and back ejection of compact ooff valve are opened, and back material inlet switch valve and preceding ejection of compact ooff valve are closed, and the fluid raw materials in the cavity behind the cylinder body is released the discharging pipe by the back discharge gate under the promotion of plunger and is carried away, and the cavity produces suction before the cylinder body simultaneously with the fluid raw materials by the inlet pipe in proper order before the inlet opening inhales the cavity before the cylinder body, so circulate, compare in traditional plunger pump, the utility model discloses a nano liter constant delivery pump and flow control system have following advantage:
1. the driving device can output fluid raw materials in the forward movement process and the reverse movement process, and can realize continuous output of fluid;
2. the fluid raw material is pushed to move by the linear motion of the plunger, so that no shearing force action exists on the fluid, and the fluid can be used for conveying the water-based paint and the glue sensitive to the shearing force;
3. the flow and output quantity of the fluid can be controlled at high precision by controlling the moving speed and distance of the plunger, the liquid can be continuously and quantitatively output, nano-grade fluid control can be realized, and intermittent quantitative extrusion, continuous constant flow control and the like can be realized;
4. the cylinder body has self-suction capacity, a fluid inlet does not need to be additionally provided with a power device, the structure is simple, and the control is more convenient;
5. the front feeding switch valve, the rear feeding switch valve, the front discharging switch valve and the rear discharging switch valve are all active control valves, can be respectively and independently controlled to be opened and closed, can be completely opened, and can quickly flow through the feeding pipe, the front cavity and the rear cavity of the cylinder body, each switch valve and the discharging pipe when water or cleaning solution is introduced after each switch valve is completely opened, so that the nano-liter constant delivery pump can be quickly cleaned;
6. the driving device comprises a linear motor arranged on the seat body along the front-back direction, an output shaft of the linear motor is connected with the plunger rod, the moving speed of the plunger is in direct proportion to the rotating speed of the linear motor, and the moving speed of the plunger can be accurately controlled by controlling the rotating speed of the linear motor, so that the flow of the output liquid can be controlled at high precision, and the flow measurement is accurate.
Description of the drawings:
FIG. 1 is a schematic view of the structure of a nano-liter constant displacement pump of the present invention;
FIG. 2 is a schematic structural view of the cylinder body of the nano-liter quantitative pump of the present invention;
FIG. 3 is a schematic structural view of the nano-liter constant delivery pump during the forward movement of the plunger;
FIG. 4 is a schematic structural view of the nano-liter constant delivery pump plunger in the backward movement process;
FIG. 5 is a schematic structural diagram of the nano-liter constant delivery pump in the cleaning process of the present invention;
fig. 6 is a control schematic diagram of the present invention.
The specific implementation mode is as follows:
the utility model discloses a make further explanation below with the accompanying drawing, see fig. 1-6 and show, the nano liter constant delivery pump of the utility model comprises a pedestal 1, set up cylinder body 2 on pedestal 1 along the fore-and-aft direction, slide plunger rod 3 that sets up in cylinder body 2 along the fore-and-aft direction, with 2 inner chamber sliding fit's of cylinder body plunger 4, drive plunger rod 3 along the reciprocating linear motion's of fore-and-aft direction drive arrangement 5, inlet pipe 6, discharging pipe 7, plunger 4 fixes on plunger rod 3, cavity and back cavity before plunger 4 separates the formation with the inner chamber of cylinder body 2. The front end of cylinder body 2 has been seted up and has been advanced material mouth 21, preceding discharge gate 22, preceding discharge gate 21 and preceding discharge gate 22 and preceding cavity intercommunication, the rear end of cylinder body 2 has been seted up and has been advanced material mouth 23, back discharge gate 24, back discharge gate 23 and back discharge gate 24 and back cavity intercommunication, preceding discharge gate 21 is equipped with material inlet ooff valve 25, preceding discharge gate 22 is equipped with preceding ejection of compact ooff valve 26, back discharge gate 23 is equipped with back feeding ooff valve 27, back discharge gate 24 is equipped with back ejection of compact ooff valve 28, the export of inlet pipe 6 communicates with preceding material inlet ooff valve 25, back feeding ooff valve 27 respectively, the entry of discharging pipe 7 communicates with preceding material inlet ooff valve 26, back ejection of compact ooff valve 28 respectively. The nano-liter constant flow pump has the advantages of high reaction speed, short reversing time and extremely small pulsation, and can realize smooth and zero-pulsation constant flow control. The wide-range flow control can be realized by arranging the cylinder bodies 2 with different capacities, the self-packing sealing element and the plunger 4 made of corrosion-resistant materials, and high-viscosity and low-viscosity fluids can be applied to low-pressure and high-pressure working conditions.
The driving device 5 drives the plunger rod 3 and the plunger 4 to do reciprocating linear motion along the front and back directions, when the plunger 4 moves forwards, the front feeding switch valve 25 and the back discharging switch valve 28 are closed, the back feeding switch valve 27 and the front discharging switch valve 26 are opened, the fluid raw material in the front chamber of the cylinder body 2 is pushed out to the discharging pipe 7 through the front discharging port 22 under the pushing of the plunger 4 and is conveyed out, and meanwhile, the back chamber of the cylinder body 2 generates suction force to suck the fluid raw material into the back chamber of the cylinder body 2 through the feeding pipe 6 and the back discharging port 23 in sequence; when the plunger 4 moves backwards, the front feeding switch valve 25 and the rear discharging switch valve 28 are opened, the rear feeding switch valve 27 and the front discharging switch valve 26 are closed, the fluid raw material in the rear cavity of the cylinder body 2 is pushed out to the discharging pipe 7 through the rear discharging port 24 under the pushing of the plunger 4 and is conveyed out, meanwhile, the front cavity of the cylinder body 2 generates suction force to suck the fluid raw material into the front cavity of the cylinder body 2 through the feeding pipe 6 and the front discharging port 21 in sequence, and when one cavity of the cylinder body 2 discharges, the other cavity sucks the material at the same time, and the process is repeated.
The driving device 5 can output fluid raw materials in the forward movement process and the reverse movement process, and can realize continuous output and supply of fluid; the fluid raw material is pushed to move by the linear motion of the plunger 4, so that no shearing force action exists on the fluid, and the fluid raw material can be used for conveying the water-based paint and glue sensitive to the shearing force; the flow and output quantity of the fluid can be controlled at high precision by controlling the moving speed and distance of the plunger 4, the liquid can be continuously and quantitatively output, nano-grade fluid control can be realized, and intermittent quantitative extrusion, continuous constant flow control and the like can be realized; the cylinder body 2 has self-suction capacity, a fluid inlet does not need to be additionally provided with a power device, the structure is simple, and the control is more convenient; preceding feeding ooff valve 25, back feeding ooff valve 27, preceding ejection of compact ooff valve 26 and back ejection of compact ooff valve 28 all are active control valve, can open and close by independent control respectively, can all open, each ooff valve is whole to be opened the back, can flow through inlet pipe 6 fast when letting in water or cleaning solution, the front and back cavity of cylinder body 2, each ooff valve, discharging pipe 7 and wash away the fluid raw materials, can wash the nano liter constant delivery pump fast, and traditional plunger pump need repeat very many times suction, the action of extruding just can play abluent effect, the cleaning efficiency is low, and the fluid raw materials is remained very easily in the plunger pump inside, the cleaning performance is not good.
The driving device 5 comprises a linear motor 51 arranged on the base body 1 along the front-back direction, an output shaft of the linear motor 51 is connected with the plunger rod 3, the moving speed of the plunger 4 is in direct proportion to the rotating speed of the linear motor 51, the moving speed of the plunger 4 can be accurately controlled by controlling the rotating speed of the linear motor 51, so that the flow of the output liquid can be controlled at high precision, the flow measurement is accurate, and the micron-sized stroke control can be realized.
The driving device 5 further comprises a sliding seat 52 and a sliding guide rail 53 arranged on the seat body 1 along the front-back direction, the output shaft of the linear motor 51 is connected with the plunger rod 3 through the sliding seat 52, and the sliding seat 52 is connected on the sliding guide rail 53 in a sliding manner, so that the sliding seat 52 slides more stably. The linear motor 51 is a linear servo motor or a linear stepping motor.
The linear motor 51 is connected to an absolute value encoder 54 for detecting a rotor position signal of the linear motor 51, and the rotary shaft of the linear motor 51 is drivingly connected to the absolute value encoder 54. The absolute value encoder 54 can detect the number of rotations of the linear motor 51 to obtain stroke position data of the output shaft of the linear motor 51, and stroke position data of the forward stroke limit position and stroke position data of the backward stroke limit position of the linear motor 51 are set in advance. The linear motor 51 is driven to rotate to drive the sliding seat 52, the plunger rod 3 and the plunger 4 to linearly move in the front-back direction, when the output shaft of the linear motor 51 is detected to move forwards to be in accordance with the set stroke position data, the linear motor 51 automatically rotates in the reverse direction to drive the sliding seat 52, the plunger rod 3 and the plunger 4 to linearly move backwards together, when the output shaft of the linear motor 51 is detected to move backwards to be in accordance with the set stroke position data, the linear motor 51 automatically rotates in the reverse direction to drive the sliding seat 52, the plunger rod 3 and the plunger 4 to linearly move forwards together, and the cycle is repeated, the linear motor 51 is controlled to continuously rotate forwards and reversely through the stroke position data to realize the reciprocating linear motion of the plunger 4, so that the control is simple and convenient, the reaction speed is high, the reversing time is short, the pulsation is extremely. The front feeding switch valve 25, the rear feeding switch valve 27, the front discharging switch valve 26 and the rear discharging switch valve 28 are all pneumatic control valves, so that the reaction action speed is high, and the control is convenient.
The utility model discloses still including controller 9, absolute value encoder 54 is connected with controller 9's input electricity, and linear electric motor 51 is connected with controller 9's output electricity. Be equipped with 2 switching-over solenoid valves 11 on the pedestal 1, 2 switching-over solenoid valves 11 are connected with the output electricity of controller 9 respectively, the gas signal control mouth of preceding material switch valve 25 and back ejection of compact ooff valve 28 all communicates through pipeline and one of them switching-over solenoid valve 11, back material switch valve 27, the gas signal control mouth of preceding ejection of compact ooff valve 26 all communicates through pipeline and another switching-over solenoid valve 11, for preceding material switch valve 25 through switching-over solenoid valve 11, back material switch valve 27, preceding ejection of compact ooff valve 26 and back ejection of compact ooff valve 28 provide the gas signal.
The absolute value encoder 54 detects the number of turns of the linear motor 51 in real time and feeds back the number to the controller 9, the controller 9 calculates real-time stroke position data of the output shaft of the linear motor 51, when the output shaft of the linear motor 51 moves axially to be in accordance with the set stroke position data, the controller 9 sends signals for executing opposite action states to the linear motor 51 and the 2 reversing electromagnetic valves 11 respectively, the linear motor 51 automatically rotates in reverse direction to drive the sliding seat 52, the plunger rod 3 and the plunger 4 to move in reverse direction together, meanwhile, the front feeding switch valve 25, the rear feeding switch valve 27, the front discharging switch valve 26 and the rear discharging switch valve 28 automatically switch in opposite states, the closing switch is opened, the opening switch is closed, the linear motor 51 is controlled by the stroke position data to continuously rotate in forward and reverse, and the switch valves are controlled to continuously switch working states, the reciprocating linear motion of the plunger 4 and the continuous output and supply of the liquid are realized, the control is simple and convenient, the reaction speed is high, the reversing time is short, the pulsation is extremely small, and the smooth and zero-pulsation constant flow control can be realized.
The utility model discloses a galvanometer detects linear electric motor 51's operating current, because linear electric motor 51's torsion is directly proportional with linear electric motor 51's operating current, pressure in the cylinder body 2 is directly proportional with linear electric motor 51's torsion, consequently, the operating current through detecting linear electric motor 51 just can obtain the pressure size in the cylinder body 2, automatic control linear electric motor 51 slows down or the standby when detecting the too big pressure in the cylinder body 2, automatic control linear electric motor 51 continues the operation when detecting the pressure in the cylinder body 2 is normal. When the outlet of the cylinder body 2 is closed or blocked, the motor can be decelerated or standby, and automatically continues to operate when the outlet is opened or dredged, so that the device is safe and reliable.
As another embodiment of the utility model, the utility model discloses can also be through travel switch control linear electric motor 51 corotation, reversal, the position that lies in sliding seat 52 the place ahead and rear on pedestal 1 is equipped with travel switch respectively, and when sliding seat 52 removed the travel switch position, linear electric motor 51 automatic counter-rotation drove sliding seat 52, plunger rod 3 and plunger 4 counter-motion together, through travel switch control linear electric motor 51 continuous corotation, reversal, realizes plunger 4's reciprocal linear motion.
Of course, the above description is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (9)
1. Nano liter constant delivery pump, its characterized in that: comprises a base body (1), a cylinder body (2) arranged on the base body (1) along the front-back direction, a plunger rod (3) arranged in the cylinder body (2) along the front-back direction in a sliding manner, a plunger (4) in sliding fit with an inner cavity of the cylinder body (2), a driving device (5) for driving the plunger rod (3) to do reciprocating linear motion along the front-back direction, a feeding pipe (6) and a discharging pipe (7), wherein the plunger (4) is fixed on the plunger rod (3), the front end of the cylinder body (2) is provided with a front feeding opening (21) and a front discharging opening (22), the rear end of the cylinder body (2) is provided with a rear feeding opening (23) and a rear discharging opening (24), the front feeding opening (21) is provided with a front feeding switch valve (25), the front discharging opening (22) is provided with a front discharging switch valve (26), the rear feeding opening (23, the outlet of the feeding pipe (6) is respectively communicated with the front feeding switch valve (25) and the rear feeding switch valve (27), and the inlet of the discharging pipe (7) is respectively communicated with the front discharging switch valve (26) and the rear discharging switch valve (28).
2. Nano-liter dosing pump according to claim 1, characterized in that: the driving device (5) drives the plunger rod (3) and the plunger (4) to do reciprocating linear motion along the front-back direction, when the plunger (4) moves forwards, the front feeding switch valve (25) and the rear discharging switch valve (28) are closed, and the rear feeding switch valve (27) and the front discharging switch valve (26) are opened; when the plunger (4) moves backwards, the front feeding switch valve (25) and the rear discharging switch valve (28) are opened, and the rear feeding switch valve (27) and the front discharging switch valve (26) are closed.
3. Nano-liter dosing pump according to claim 1, characterized in that: the driving device (5) comprises a linear motor (51) which is arranged on the base body (1) along the front-back direction, and an output shaft of the linear motor (51) is connected with the plunger rod (3).
4. Nano-liter dosing pump according to claim 3, characterized in that: the linear motor (51) is a linear servo motor or a linear stepping motor.
5. Nano-liter dosing pump according to claim 3, characterized in that: the driving device (5) further comprises a sliding seat (52) and a sliding guide rail (53) which is arranged on the seat body (1) along the front-back direction, an output shaft of the linear motor (51) is connected with the plunger rod (3) through the sliding seat (52), and the sliding seat (52) is connected to the sliding guide rail (53) in a sliding mode.
6. Nano-liter dosing pump according to claim 3, characterized in that: the linear motor (51) is connected with an absolute value encoder (54) for detecting a rotor position signal of the linear motor (51).
7. Nano-liter dosing pump according to claim 6, characterized in that: the device also comprises a controller (9), wherein the absolute value encoder (54) is electrically connected with the input end of the controller (9), and the linear motor (51) is electrically connected with the output end of the controller (9).
8. Nano-liter dosing pump according to claim 7, characterized in that: the front feeding switch valve (25), the rear feeding switch valve (27), the front discharging switch valve (26) and the rear discharging switch valve (28) are all pneumatic control valves.
9. Nano-liter dosing pump according to claim 8, characterized in that: the base body (1) is provided with 2 reversing electromagnetic valves (11), the 2 reversing electromagnetic valves (11) are respectively electrically connected with the output end of the controller (9), the gas signal control ports of the front feeding switch valve (25) and the rear discharging switch valve (28) are communicated with one reversing electromagnetic valve (11) through pipelines, and the gas signal control ports of the rear feeding switch valve (27) and the front discharging switch valve (26) are communicated with the other reversing electromagnetic valve (11) through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440417.4U CN210317636U (en) | 2019-09-02 | 2019-09-02 | Nano-liter quantitative pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440417.4U CN210317636U (en) | 2019-09-02 | 2019-09-02 | Nano-liter quantitative pump |
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| Publication Number | Publication Date |
|---|---|
| CN210317636U true CN210317636U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921440417.4U Active CN210317636U (en) | 2019-09-02 | 2019-09-02 | Nano-liter quantitative pump |
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| Country | Link |
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| CN (1) | CN210317636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939551A (en) * | 2019-09-02 | 2020-03-31 | 苏州悦奇宁流体自动化科技有限公司 | Nano-liter quantitative pump |
| CN111550379A (en) * | 2020-04-29 | 2020-08-18 | 国药控股星鲨制药（厦门）有限公司 | A pump body device for dropping pills |
-
2019
- 2019-09-02 CN CN201921440417.4U patent/CN210317636U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939551A (en) * | 2019-09-02 | 2020-03-31 | 苏州悦奇宁流体自动化科技有限公司 | Nano-liter quantitative pump |
| CN111550379A (en) * | 2020-04-29 | 2020-08-18 | 国药控股星鲨制药（厦门）有限公司 | A pump body device for dropping pills |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220608 Address after: 215024 No. 55, Tingdong Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Zhuang Yuanxiang Address before: 215000 No. 502 Fengting Avenue, Weiting, Suzhou Industrial Park, Jiangsu Province Patentee before: Suzhou yueqining fluid automation technology Co.,Ltd. |
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Effective date of registration: 20231115 Address after: 516000, No. 08, 21st Floor, Comprehensive Building Phase III, Jiazhaoye Center, No. 5 Huizhou Avenue, Huicheng District, Huizhou City, Guangdong Province Patentee after: HUIZHOU JIUSAN MACHINERY CO.,LTD. Address before: 215024 No. 55, Tingdong Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee before: Zhuang Yuanxiang |
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Effective date of registration: 20231128 Address after: Room 4-1, Building 2-4, No. 55, Tingdong Road, Suzhou Industrial Park, Suzhou, Jiangsu 215000 Patentee after: Zhongtu Equipment Co.,Ltd. Address before: 516000, No. 08, 21st Floor, Comprehensive Building Phase III, Jiazhaoye Center, No. 5 Huizhou Avenue, Huicheng District, Huizhou City, Guangdong Province Patentee before: HUIZHOU JIUSAN MACHINERY CO.,LTD. |