CN111828293A - Infusion pump with pipeline easy to replace - Google Patents
Infusion pump with pipeline easy to replace Download PDFInfo
- Publication number
- CN111828293A CN111828293A CN202010710956.6A CN202010710956A CN111828293A CN 111828293 A CN111828293 A CN 111828293A CN 202010710956 A CN202010710956 A CN 202010710956A CN 111828293 A CN111828293 A CN 111828293A
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- Prior art keywords
- pump
- main shaft
- pipeline
- eccentric main
- elastic
- 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
- 238000001802 infusion Methods 0.000 title claims abstract description 22
- 230000008859 change Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000020347 spindle assembly Effects 0.000 description 15
- 230000006872 improvement Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- F04B43/1207—Machines, pumps, or pumping installations having flexible working members having peristaltic action the actuating element being a swash plate
-
- 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
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- 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
- F04B53/22—Arrangements for enabling ready assembly or disassembly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses an infusion pump with an easily replaced pipeline, which comprises a first pump shell, a second pump shell, a locking piece used for locking the first pump shell and the second pump shell, an eccentric main shaft assembly arranged between the first pump shell and the second pump shell and capable of moving axially, and a wobble plate assembly arranged on the eccentric main shaft assembly, wherein a first pipeline accommodating groove and a second pipeline accommodating groove used for clamping an elastic pipeline are respectively arranged on the opposite sides of the first pump shell and the second pump shell, a first elastic piece is arranged between one end of the eccentric main shaft assembly and the first pump shell in a supporting manner, and a second elastic piece is arranged between the other end of the eccentric main shaft assembly and the second pump shell in a supporting manner. The invention has the advantages of simple and reliable structure, easy replacement of pipelines and the like.
Description
Technical Field
The invention relates to a liquid pump, in particular to an infusion pump with an easily replaced pipeline.
Background
A pump is a machine that delivers or pressurizes a liquid. The pump is widely used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspension emulsion, liquid metal and the like, and can also be used for conveying liquid, gas mixture and liquid containing suspended solids. Conventional pumps include centrifugal pumps, diaphragm pumps, piston pumps, peristaltic pumps, and the like. In the fields of chemical industry, food, pharmacy, bioengineering and the like, the flow pulsation and the flow precision are required to be higher. Patent document CN 110425121 a discloses a uniform flow pipeline pump, which comprises a pump casing, a cylindrical inner cavity is provided in the pump casing, an annular pipeline accommodating cavity is provided on the side wall of the cylindrical inner cavity, a pipeline inlet and outlet communicated with the pipeline accommodating cavity is provided on the pump casing, a pipe joint fixed with the pump casing is provided outside the pipeline inlet and outlet, two elastic hoses are provided in the pipeline accommodating cavity, two ends of the elastic hose are connected with the pipe joint, a main shaft coaxial with the inner cavity is provided in the inner cavity of the pump casing, the main shaft is connected with a motor, the pump casing is formed by connecting an upper pump casing and a lower pump casing in a matching manner, an upper pipeline accommodating groove and a lower pipeline accommodating groove are respectively provided at the opposite sides of the upper pump casing and the lower pump casing, a plurality of protrusions are provided at equal intervals along the circumferential direction at the bottoms of the upper pipeline accommodating groove, the main shaft is connected with a shaft sleeve, the main shaft and the shaft sleeve are provided with a first swinging disk and a second swinging disk, the parts of the main shaft and the shaft sleeve, which are connected with the first swinging disk and the second swinging disk, are inclined, the first wobble plate and the second wobble plate are installed in an inclined mode, arc-shaped protrusions are arranged on the edges of the first wobble plate and the second wobble plate and are respectively contacted with the inner sides of the two elastic hoses, the first wobble plate and the second wobble plate are supported by a first bearing and a second bearing, a plurality of bowl-shaped depressions are arranged on the opposite sides of the two wobble plates at intervals along the circumferential direction, the bowl-shaped depressions are paired to form a plurality of approximately spherical ball cavities, a plurality of ball cavities with a nearly spherical shape are respectively provided with a rotatable ball, when the main shaft rotates, the main shaft drives the first wobble plate and the second wobble plate to wobble in the circumferential direction, the elastic hose is periodically squeezed or released during the oscillation, so that the liquid is continuously discharged and sucked. This technical scheme is favorable to reducing the friction of balance to the pipeline, and the pipeline longitudinal symmetry overall arrangement simultaneously differs by 180 compensation for the flow is even, operates steadily. The disadvantages are that: along with the increase of service time, the elasticity decline, phenomenon such as ageing, damage can appear in the elastic hose, consequently must regularly change, will dismantle upper pump case and lower pump case completely when changing, reassemble again after the elastic hose change is accomplished, and is not convenient enough.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the infusion pump which is simple and reliable in structure and easy to replace a pipeline.
In order to solve the technical problems, the invention adopts the following technical scheme:
an infusion pump with a pipeline easy to replace comprises a first pump shell, a second pump shell, a locking piece used for locking the first pump shell and the second pump shell, an eccentric main shaft assembly arranged between the first pump shell and the second pump shell and capable of moving axially, and a wobble plate assembly arranged on the eccentric main shaft assembly, wherein a first pipeline accommodating groove and a second pipeline accommodating groove used for clamping an elastic pipeline are respectively arranged on the opposite sides of the first pump shell and the second pump shell, a first elastic piece is arranged between one end of the eccentric main shaft assembly and the first pump shell in a supporting mode, and a second elastic piece is arranged between the other end of the eccentric main shaft assembly and the second pump shell in a supporting mode.
As a further improvement of the above technical solution: a first stopping part and a second stopping part are arranged on the eccentric main shaft assembly, a first supporting bearing is arranged between the first pump shell and the eccentric main shaft assembly, and the first elastic part is abutted between the first stopping part and an inner ring of the first supporting bearing; a second supporting bearing is arranged between the second pump shell and the eccentric main shaft assembly, and the second elastic piece is abutted between the second stopping portion and an inner ring of the second supporting bearing.
As a further improvement of the above technical solution: the eccentric main shaft assembly comprises an eccentric main shaft and a shaft sleeve detachably connected with the eccentric main shaft, the first stopping part is arranged on the periphery of the shaft sleeve, and the second stopping part is arranged on the periphery of the eccentric main shaft.
As a further improvement of the above technical solution: the first elastic member and the second elastic member are both coil springs.
As a further improvement of the above technical solution: arc-shaped protrusions are arranged on two sides of the swinging plate assembly, and a plurality of protrusions are uniformly arranged at the bottoms of the first pipeline accommodating groove and the second pipeline accommodating groove along the circumferential direction.
As a further improvement of the above technical solution: the locking piece is a screw.
As a further improvement of the above technical solution: an axial limiting part is arranged in the first pump shell, and a clamping part matched with the axial limiting part and a conical guide part located between the axial limiting part and the clamping part are arranged on the screw.
As a further improvement of the above technical solution: the axial limiting part is provided with a clamp spring.
As a further improvement of the above technical solution: step parts are arranged at the upper end and the lower end of the screw, and the diameter of each step part is larger than the inner diameter of the clamp spring.
As a further improvement of the above technical solution: the first pipeline accommodating groove and the second pipeline accommodating groove are both annular grooves.
Compared with the prior art, the invention has the advantages that: the invention discloses an infusion pump with easy-to-disassemble and assemble pipelines, wherein a first elastic part and a second elastic part are respectively abutted between two ends of an eccentric main shaft assembly and a first pump shell and a second pump shell, when the elastic pipelines need to be replaced, a locking part is firstly disassembled, under the elastic action of the first elastic part and the second elastic part, the axial distance between the first pump shell and the second pump shell and a wobble plate assembly is increased, the elastic pipelines arranged in a first pipeline accommodating groove and a second pipeline accommodating groove are exposed, and the elastic pipelines are very convenient to disassemble; when a new elastic pipeline is installed, because the first pipeline accommodating groove, the second pipeline accommodating groove and the wobble plate assembly have larger spaces, the operation is very convenient, after the elastic pipeline is replaced, the elastic action of the first elastic piece and the second elastic piece is overcome, the first pump shell and the second pump shell are locked again by the locking piece, and the structure is simple and reliable.
Drawings
Fig. 1 is a schematic perspective view of an infusion pump with an easily replaced tube according to the present invention.
Fig. 2 is a schematic perspective view of the infusion pump with the upper and lower pump housings separated for easy tube replacement.
Fig. 3 is a schematic cross-sectional view of an infusion pump with tubing replacement of the present invention.
Fig. 4 is a schematic sectional view of the infusion pump with the upper and lower pump housings separated for easy tubing replacement according to the present invention.
Fig. 5 is a partially enlarged view of fig. 4.
The reference numerals in the figures denote: 1. a first pump casing; 11. a first pipeline accommodating groove; 12. a first support bearing; 13. an axial limiting part; 14. a protrusion; 2. a second pump casing; 21. a second pipeline accommodating groove; 22. a second support bearing; 3. an eccentric spindle assembly; 31. a first stopper portion; 32. a second stopper portion; 33. an eccentric main shaft; 34. a shaft sleeve; 35. a main shaft limiting clamp spring; 4. a wobble plate assembly; 41. an arc-shaped protrusion; 5. an elastic conduit; 61. a first elastic member; 62. a second elastic member; 7. a locking member; 71. a clamping part; 72. a tapered guide portion; 73. a step portion; 8. an electric motor.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
Fig. 1 to 5 show an embodiment of a fluid delivery pump with easy tubing replacement according to the present invention, which includes a first pump housing 1, a second pump housing 2, a locking member 7 for locking the first pump housing 1 and the second pump housing 2, an eccentric spindle assembly 3 disposed between the first pump housing 1 and the second pump housing 2 and capable of moving axially, and a wobble plate assembly 4 mounted on the eccentric spindle assembly 3, wherein opposite sides of the first pump housing 1 and the second pump housing 2 are respectively provided with a first tubing receiving groove 11 and a second tubing receiving groove 21 for holding an elastic tubing 5, a first elastic member 61 is disposed between one end of the eccentric spindle assembly 3 and the first pump housing 1, and a second elastic member 62 is disposed between the other end of the eccentric spindle assembly 3 and the second pump housing 2. Preferably, the first pipe receiving groove 11 and the second pipe receiving groove 21 are both annular grooves.
The infusion pump with the easily replaced pipeline is characterized in that a first elastic piece 61 and a second elastic piece 62 are respectively arranged between the upper end and the lower end of an eccentric main shaft component 3 and a first pump shell 1 and a second pump shell 2 in a supporting mode, when the elastic pipeline 5 needs to be replaced, a locking piece 7 is firstly detached, under the elastic action of the first elastic piece 61 and the second elastic piece 62, the axial distance between the first pump shell 1 and the second pump shell 2 and a swing disc component 4 is increased, the elastic pipeline 5 arranged in a first pipeline accommodating groove 11 and a second pipeline accommodating groove 21 is fully exposed, the detachment of the elastic pipeline 5 is very convenient, when a new elastic pipeline 5 is installed, because a large space is reserved between the first pipeline accommodating groove 11 and the second pipeline accommodating groove 21 and the swing disc component 4, the operation is also very convenient, after the replacement of the elastic pipeline 5 is completed, the elastic action of the first elastic piece 61 and the second elastic piece 62 is overcome, the first pump shell 1 and the second pump shell 2 are locked again by the locking piece 7, and the structure is simple and reliable. In this embodiment, the first pump case 1 is located above the second pump case 2, and correspondingly, the first elastic member 61 is abutted to the upper ends of the first pump case 1 and the eccentric spindle assembly 3, and the second elastic member 62 is abutted to the lower ends of the second pump case 2 and the eccentric spindle assembly 3; the first pipe receiving groove 11 is disposed at a lower side of the first pump case 1, and the second pipe receiving groove 21 is disposed at an upper side of the second pump case 2; preferably, the first elastic member 61 and the second elastic member 62 are both coil springs, but in other embodiments, other forms may be adopted, and the elastic force may be provided.
As a preferable technical solution, in this embodiment, a first stopper portion 31 and a second stopper portion 32 are disposed on the eccentric spindle assembly 3, a first support bearing 12 is disposed between the first pump casing 1 and the eccentric spindle assembly 3, and the first elastic member 61 is abutted between the first stopper portion 31 and an inner ring of the first support bearing 12, that is, the first elastic member 61 pushes the first support bearing 12 and the upper pump casing 1 to integrally ascend through the inner ring of the first support bearing 12, so that an interval between the first pipeline accommodating groove 11 and the wobble plate assembly 4 is increased; a second supporting bearing 22 is arranged between the second pump casing 2 and the eccentric spindle assembly 3, and the second elastic member 62 is abutted between the second stopping portion 32 and the inner ring of the second supporting bearing 22, that is, the second elastic member 62 pushes the eccentric spindle assembly 3, the wobble plate assembly 4, the first supporting bearing 12 and the first pump casing 1 to integrally ascend through the second stopping portion 32, so that the distance between the second pipeline accommodating groove 21 and the wobble plate assembly 4 is increased.
Preferably, the upper end and the lower end of the eccentric spindle assembly 3 are both provided with spindle limit snap springs 35, the lower spindle limit snap spring 35 is matched with the inner ring of the second support bearing 22, and when the lower spindle limit snap spring 35 is contacted with the inner ring of the second support bearing 22, the eccentric spindle assembly 3 and the like rise to the maximum height; and the main shaft limiting clamp spring 35 at the upper end is matched with the inner ring of the first support bearing 12, and when the main shaft limiting clamp spring 35 at the upper end is contacted with the inner ring of the first support bearing 12, the first pump shell 1 and the like rise to the maximum height, so that the eccentric main shaft assembly 3 can be prevented from being completely separated from the first pump shell 1 and the second pump shell 2.
In a preferred embodiment, the eccentric spindle assembly 3 includes an eccentric spindle 33 and a sleeve 34 detachably connected to the eccentric spindle 33, the first blocking portion 31 is disposed on an outer periphery of the sleeve 34, and the second blocking portion 32 is disposed on an outer periphery of the eccentric spindle 33. This structure completes the detachment of the first elastic member 61 and the second elastic member 62 after the first pump housing 1 and the second pump housing 2 are separated and the sleeve 34 and the eccentric main shaft 33 are separated. The eccentric main shaft 33 and the shaft sleeve 34 are preferably detachably connected through screws, so that the connection is reliable and the detachment is convenient.
Further, in the present embodiment, arc-shaped protrusions 41 are disposed on two sides of the wobble plate assembly 4, and a plurality of protrusions 14 are uniformly disposed on the bottom of the first pipe receiving groove 11 and the bottom of the second pipe receiving groove 21 along the circumferential direction. When the eccentric spindle assembly 3 rotates under the driving action of the motor 8, the swinging disc assembly 4 is driven to swing in the circumferential direction, the elastic pipeline 5 is periodically extruded or loosened in the swinging process, liquid is continuously discharged and sucked, the friction of the swinging disc assembly 4 on the elastic pipeline 5 is favorably reduced, meanwhile, the elastic pipeline 5 is symmetrically distributed up and down, the phase difference is 180 degrees, the flow is uniform, and the operation is stable.
In the present embodiment, the locking member 7 is a screw. The first pump shell 1 and the second pump shell 2 can be reliably locked into a whole by screws, and meanwhile, the first pump shell and the second pump shell are convenient to disassemble. Preferably, a handle is arranged at the upper end of the screw, so that the screw can be conveniently rotated manually.
Further, in the present embodiment, the first pump housing 1 is provided with the axial direction stopper portion 13, and the screw is provided with the locking portion 71 engaged with the axial direction stopper portion 13, and the tapered guide portion 72 located between the axial direction stopper portion 13 and the locking portion 71. When the locking piece 7 is detached, the clamping part 71 can be clamped into the axial limiting part 13 by utilizing the conical guide part 72, so that the locking piece 7 is suspended in the first pump shell 1, the locking piece 7 is prevented from moving along the axial direction, the locking piece 7 does not need to be completely taken out, and the use is more convenient.
Furthermore, in the present embodiment, the axial limiting portion 13 is provided with a snap spring, that is, the snap spring is utilized to clamp the clamping portion 71 on the screw, so that the structure is simple and reliable. Of course, in other embodiments, the suspension of the locking piece 7 in the first pump housing 1 may be achieved by an interference fit between the axial limiting portion 13 and the clamping portion 71, or other forms.
Furthermore, in this embodiment, the upper and lower ends of the screw are both provided with a step portion 73, and the diameter of the step portion 73 is greater than the inner diameter of the circlip. The step 73 at the upper end of the screw facilitates the machining of the screw; the step portion 73 at the lower end is beneficial to preventing the screw from being taken out of the clamp spring, and the reliability is further improved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. The utility model provides an infusion pump of easy change pipeline, includes first pump case (1), second pump case (2), is used for locking the lock of first pump case (1) and second pump case (2) and holds piece (7), but locates eccentric main shaft subassembly (3) between first pump case (1) and second pump case (2) and axial displacement and install balance weight subassembly (4) on eccentric main shaft subassembly (3), the opposite side of first pump case (1) and second pump case (2) is equipped with first pipeline storage tank (11) and second pipeline storage tank (21) that are used for centre gripping elasticity pipeline (5) respectively, its characterized in that: a first elastic part (61) is arranged between one end of the eccentric main shaft assembly (3) and the first pump shell (1) in a supporting mode, and a second elastic part (62) is arranged between the other end of the eccentric main shaft assembly (3) and the second pump shell (2) in a supporting mode.
2. The tubing easy-to-replace infusion pump of claim 1, wherein: a first stopping portion (31) and a second stopping portion (32) are arranged on the eccentric main shaft assembly (3), a first supporting bearing (12) is arranged between the first pump shell (1) and the eccentric main shaft assembly (3), and the first elastic piece (61) is abutted between the first stopping portion (31) and an inner ring of the first supporting bearing (12); a second supporting bearing (22) is arranged between the second pump shell (2) and the eccentric main shaft assembly (3), and the second elastic piece (62) is abutted between the second stopping portion (32) and an inner ring of the second supporting bearing (22).
3. The tubing easy-to-replace infusion pump of claim 2, wherein: eccentric main shaft subassembly (3) are including eccentric main shaft (33) and with eccentric main shaft (33) can dismantle axle sleeve (34) of being connected, first backstop portion (31) are located axle sleeve (34) periphery, second backstop portion (32) are located eccentric main shaft (33) periphery.
4. The tubing easy-to-replace infusion pump of claim 1, wherein: the first elastic member (61) and the second elastic member (62) are both coil springs.
5. The tubing easy-to-replace infusion pump of claim 1, wherein: arc-shaped protrusions (41) are arranged on two sides of the swinging plate assembly (4), and a plurality of protrusions (14) are uniformly arranged at the bottoms of the first pipeline accommodating groove (11) and the second pipeline accommodating groove (21) along the circumferential direction.
6. The tubing easy-to-replace infusion pump according to any one of claims 1-5, wherein: the locking piece (7) is a screw.
7. The tubing easy-to-replace infusion pump of claim 6, wherein: an axial limiting part (13) is arranged in the first pump shell (1), and a clamping part (71) matched with the axial limiting part (13) and a conical guide part (72) located between the axial limiting part (13) and the clamping part (71) are arranged on the screw.
8. The tubing easy-to-replace infusion pump of claim 7, wherein: the axial limiting part (13) is provided with a clamp spring.
9. The tubing easy-to-replace infusion pump of claim 8, wherein: step parts (73) are arranged at the upper end and the lower end of the screw, and the diameter of each step part (73) is larger than the inner diameter of the clamp spring.
10. The tubing easy-to-replace infusion pump according to any one of claims 1-5, wherein: the first pipeline accommodating groove (11) and the second pipeline accommodating groove (21) are both annular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010710956.6A CN111828293A (en) | 2020-07-22 | 2020-07-22 | Infusion pump with pipeline easy to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010710956.6A CN111828293A (en) | 2020-07-22 | 2020-07-22 | Infusion pump with pipeline easy to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111828293A true CN111828293A (en) | 2020-10-27 |
Family
ID=72926191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010710956.6A Pending CN111828293A (en) | 2020-07-22 | 2020-07-22 | Infusion pump with pipeline easy to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111828293A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006223448A (en) * | 2005-02-16 | 2006-08-31 | Masakazu Uzawa | Roller type infusion pump |
| CN106837754A (en) * | 2017-02-23 | 2017-06-13 | 肖立峰 | Multi-phase pipeline membrane pump |
| CN207989300U (en) * | 2018-03-06 | 2018-10-19 | 仟亿达集团股份有限公司 | A kind of water pump pump case provision for disengagement |
| CN212318264U (en) * | 2020-07-22 | 2021-01-08 | 楚天源创生物技术(长沙)有限公司 | Infusion pump with pipeline easy to replace |
-
2020
- 2020-07-22 CN CN202010710956.6A patent/CN111828293A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006223448A (en) * | 2005-02-16 | 2006-08-31 | Masakazu Uzawa | Roller type infusion pump |
| CN106837754A (en) * | 2017-02-23 | 2017-06-13 | 肖立峰 | Multi-phase pipeline membrane pump |
| CN207989300U (en) * | 2018-03-06 | 2018-10-19 | 仟亿达集团股份有限公司 | A kind of water pump pump case provision for disengagement |
| CN212318264U (en) * | 2020-07-22 | 2021-01-08 | 楚天源创生物技术(长沙)有限公司 | Infusion pump with pipeline easy to replace |
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