CN117267102A - High-precision liquid medicine conveying flow pump - Google Patents
High-precision liquid medicine conveying flow pump Download PDFInfo
- Publication number
- CN117267102A CN117267102A CN202311573679.9A CN202311573679A CN117267102A CN 117267102 A CN117267102 A CN 117267102A CN 202311573679 A CN202311573679 A CN 202311573679A CN 117267102 A CN117267102 A CN 117267102A
- Authority
- CN
- China
- Prior art keywords
- sliding
- disc
- speed regulating
- peristaltic
- driving
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 26
- 239000003814 drug Substances 0.000 title abstract description 7
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 54
- 238000013016 damping Methods 0.000 claims abstract description 37
- 239000010985 leather Substances 0.000 claims abstract description 30
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 45
- 230000001105 regulatory effect Effects 0.000 claims description 41
- 230000035939 shock Effects 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000012377 drug delivery Methods 0.000 claims 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning 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
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
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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
- 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
- F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
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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
- F04B53/001—Noise damping
- F04B53/003—Noise damping by damping supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a high-precision liquid medicine conveying flow pump, which relates to the technical field of flow pumps and comprises a shell, wherein a pumping part is fixedly arranged on the shell, the pumping part comprises a driving seat, a driving disc is rotatably arranged in the driving seat, a toothed ring is fixedly arranged on the driving disc, a central gear is meshed and transmitted in the toothed ring through three planetary gears, and the three planetary gears are rotatably arranged on a rotating frame. The invention can accurately control the flow of liquid passing through the leather hose, and adopts a closed-loop detection mode to adjust the flow of the liquid in real time, thereby ensuring the accuracy of the liquid flow; the rotating speed of the peristaltic feeding disc is controlled by adopting a mode of controlling the rotating speed of the rotating frame, so that the speed is more accurate relative to a speed regulation mode of transmission, and stepless speed regulation can be realized; the vibration generated by the driving motor in the working process can be buffered and absorbed by the damping spring, so that the influence of the vibration of the driving motor on other equipment is reduced.
Description
Technical Field
The invention relates to the technical field of flow pumps, in particular to a high-precision liquid medicine conveying flow pump.
Background
The flow pump is mainly used for conveying and controlling the flow of fluid. It provides a certain pressure to make the fluid stably pass through the pump body at a certain flow rate. In the field of medical science research, peristaltic pumps are the most used, and peristaltic pumps have the advantages of being high in accuracy, capable of stably controlling the flow rate of fluid, simple and cheap to maintain, and high in corrosion resistance.
In the prior art, the invention patent with the publication number of CN113187720A uses a technical scheme about the flow pump, and the scheme can adjust the plugging pressure by adjusting the height of the plugging rod, so that the pressure in the pump during filling is effectively ensured, and meanwhile, the disassembly and assembly operation of the diversion supporting mechanism and the liquid injection limiting mechanism are convenient, the maintenance and the cleaning of the pump are convenient, but the flow of fluid passing through the pump body is not accurately controlled by a method.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the following technical scheme: a high-precision liquid medicine delivery flow pump comprises a shell, a pump inlet part is fixedly arranged on the shell, the pump inlet part comprises a driving seat, a driving disc is rotationally arranged on the driving seat, a toothed ring is fixedly arranged on the driving disc, a central gear is in meshed transmission in the toothed ring through three planetary gears, three planetary gears are rotationally arranged on a rotating frame, a sealing rotating cover which is in rotary fit with the rotating frame is fixedly arranged on the driving seat, a cover plate is fixedly arranged on the sealing rotating cover, a speed regulation extrusion block support is fixedly arranged on the cover plate, three speed regulation extrusion sliding grooves are formed on the speed regulation extrusion block support, speed regulation extrusion blocks are respectively provided with a bump pin, a speed regulation rotating frame is rotationally arranged on the cover plate, a speed regulation sliding groove is obliquely arranged on the speed regulation rotating frame, a speed regulation electric cylinder is rotationally arranged on the cover plate, a driving rod end part of the speed regulation electric cylinder is fixedly arranged on the speed regulation rotating frame, a movable push plate is fixedly arranged on the end of the speed regulation push plate, a peristaltic push plate is fixedly arranged on the end of the driving rod, a peristaltic drive plate is fixedly arranged on the end of the driving rod and is in sliding fit with at least one end of a peristaltic disc through a peristaltic drive plate, a peristaltic drive plate is fixedly arranged on the end of the driving rod and is fixedly connected with a peristaltic drive plate through a peristaltic drive plate and a peristaltic drive plate, and a fixed transmission plate is fixedly arranged on the end plate and a peristaltic plate is fixedly connected with the drive plate. Peristaltic extrusion blocks are fixedly arranged on the peristaltic feeding disc rotating frame, and leather pipes are arranged on the outer side of the peristaltic feeding disc in a surrounding mode.
Preferably, the housing is fixedly mounted on the frame by a mounting seat.
Preferably, the peristaltic feeding disc rotating frame is further fixedly provided with a leather tube fixing frame, the leather tube fixing frame is fixed with two ends of the leather tube, and the dustproof cover plate is further fixedly provided with a flow detector for detecting the flow rate of liquid in the leather tube.
Preferably, peristaltic feeding disc cover plates are further clamped on the peristaltic extrusion blocks and the leather tube fixing frames, and a protective cover is fixedly arranged on the dustproof cover plate.
Preferably, the output sliding disc is rotatably arranged on the driving seat, the output sliding disc is fixed with a rotating shaft of the driving disc, a damping frame is fixedly arranged in the shell, and four damping slideway grooves are formed in the damping frame.
Preferably, a driving motor is arranged on the inner side of the damping frame, four damping slide bars are fixedly arranged on the shell of the driving motor through a driving motor bracket, and each damping slide bar is in sliding fit with a corresponding damping slide channel.
Preferably, four damping springs are arranged between the inner wall of the damping frame and the driving motor support, the damping springs encircle the damping slide rod, and two ends of each damping spring are in sliding fit with the damping frame and the driving motor support.
Preferably, a spline pin shaft is fixedly arranged on an output shaft of the driving motor, a spline sleeve is slidably arranged on the spline pin shaft through a spline, an input sliding disc is fixedly arranged on the spline sleeve, and an intermediate sliding disc is slidably arranged between the input sliding disc and the output sliding disc.
Preferably, the sliding direction of the input sliding tray and the intermediate sliding tray and the sliding direction of the intermediate sliding tray and the output sliding tray are arranged perpendicularly.
Compared with the prior art, the invention has the following beneficial effects: (1) The pumping part provided by the invention can accurately control the flow of liquid passing through the leather hose, and adopts a closed-loop detection mode to adjust the flow of the liquid in real time, thereby ensuring the accuracy of the liquid flow; (2) The invention adopts a mode of controlling the rotating speed of the rotating frame to control the rotating speed of the peristaltic feeding disc, is more accurate relative to a transmission speed regulation mode, and can realize stepless speed regulation; (3) The vibration generated by the driving motor in the working process can be buffered and absorbed by the damping spring, so that the influence of the vibration of the driving motor on other equipment is reduced.
Drawings
Fig. 1 is a schematic view of the structure of the housing of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention.
FIG. 3 is a schematic view of a shock absorbing frame according to the present invention.
Fig. 4 is a schematic view of the structure of the middle sliding plate of the present invention.
FIG. 5 is a schematic view of the peristaltic feeding tray structure of the present invention.
Fig. 6 is a schematic view of the structure of the dust cover plate of the present invention.
FIG. 7 is a schematic view of the structure of FIG. 6A according to the present invention.
Fig. 8 is a schematic diagram of the structure of fig. 7B according to the present invention.
Fig. 9 is a schematic view of the structure of the sun gear of the present invention.
FIG. 10 is a schematic view of the structure of the speed adjusting extrusion block bracket of the present invention.
FIG. 11 is a schematic view of the structure of the speed regulating extrusion block of the present invention.
In the figure: 101-a housing; 102-a shock absorption frame; 1021-shock absorbing slideway slot; 103-a damping slide bar; 104-driving a motor bracket; 105-a shock-absorbing spring; 106-driving a motor; 107-spline pins; 108-a spline sleeve; 109-input slide plate; 110-an intermediate slide plate; 111-an output slide tray; 112-mounting base; 201-a driving seat; 202-a drive disk; 203-tooth ring; 204-planetary gears; 205-sun gear; 206-rotating frame; 207-a speed-regulating extrusion block bracket; 2071-speed-regulating extrusion chute; 208-speed-regulating extrusion blocks; 2081-bump pins; 209-a speed regulating rotating frame; 2091-a speed regulating sliding groove; 210-a cover plate; 211-sealing the rotating cover; 212-speed regulating swing arms; 213-output drive shaft; 214-end push rod; 215-speed regulating electric cylinder; 216-an active push plate; 217-passive push plate; 218-limiting blocks; 219-piezoresistor; 220-limiting pull rods; 221-peristaltic feed tray; 222-peristaltic extrusion block; 223-peristaltic feeding tray turret; 224-peristaltic feed tray cover; 225-a leather hose fixing frame; 226-leather hose; 227-a flow detector; 228-peristaltic extrusion wheel; 229-a dust cover plate; 230-protective cover.
Detailed Description
The technical scheme of the invention is further described below by means of specific embodiments with reference to fig. 1-11.
The invention provides a high-precision liquid medicine conveying flow pump, which comprises a shell 101, wherein a pumping part is fixedly arranged on the shell 101, the pumping part comprises a driving seat 201, a driving disc 202 is rotatably arranged in the driving seat 201, a toothed ring 203 is fixedly arranged on the driving disc 202, a central gear 205 is meshed and transmitted in the toothed ring 203 through three planetary gears 204, the three planetary gears 204 are rotatably arranged on a rotating frame 206, a sealing rotating cover 211 which is rotatably matched with the rotating frame 206 is fixedly arranged on the driving seat 201, a covering plate 210 is fixedly arranged on the sealing rotating cover 211, a speed regulation extrusion block bracket 207 is fixedly arranged on the covering plate 210, three speed regulation extrusion sliding grooves 2071 are arranged on the speed regulation extrusion block bracket 207, a speed regulation extrusion block 208 is slidably arranged in each speed regulation extrusion sliding groove 2071, a bump pin 2081 is arranged on the speed regulation extrusion block 208, a speed regulation rotating frame 209 is rotatably arranged on the covering plate 210, the speed regulating rotating frame 209 is provided with a speed regulating sliding groove 2091 which is obliquely arranged, the speed regulating sliding groove 2091 is in sliding fit with a bump pin 2081, the speed regulating rotating frame 209 is fixedly provided with a speed regulating swing arm 212, a cover plate 210 is rotatably provided with a speed regulating electric cylinder 215, the end part of a telescopic rod of the speed regulating electric cylinder 215 is fixedly provided with a driving push plate 216, the speed regulating swing arm 212 is movably provided with a tail end push rod 214, the tail end push rod 214 is fixedly provided with a driven push plate 217, a piezoresistor 219 is lapped between the driving push plate 216 and the driven push plate 217, the driving push plate 216 and the driven push plate 217 are in sliding fit through three limit pull rods 220, two ends of each limit pull rod 220 are respectively provided with a limit block 218 for limiting the distance between the driving push plate 216 and the driven push plate 217, a dustproof cover plate 229 is fixedly arranged on the sealing rotating cover 211, a peristaltic feeding plate 221 is rotatably provided on the dustproof cover plate 229 through a peristaltic feeding plate rotating frame 223, the peristaltic feeding disc 221 is fixedly connected with the central gear 205 through the output transmission shaft 213, at least 36 peristaltic extrusion wheels 228 are rotatably arranged on the peristaltic feeding disc 221, peristaltic extrusion blocks 222 are fixedly arranged on the peristaltic feeding disc rotating frame 223, and a leather tube 226 surrounds the outer side of the peristaltic feeding disc 221. The housing 101 is fixedly mounted to the frame by means of a mounting block 112. The peristaltic feeding tray rotating frame 223 is also fixedly provided with a leather hose fixing frame 225, the leather hose fixing frame 225 is fixed with two ends of the leather hose 226, and the dustproof cover plate 229 is also fixedly provided with a flow detector 227 for detecting the flow rate of liquid in the leather hose 226. Peristaltic feeding tray cover plates 224 are also clamped on the peristaltic extrusion blocks 222 and the leather hose fixing frames 225, and protective covers 230 are fixedly arranged on the dustproof cover plates 229.
The output sliding disc 111 is rotatably mounted on the driving seat 201, the output sliding disc 111 is fixed with the rotating shaft of the driving disc 202, the damping frame 102 is fixedly mounted in the casing 101, and four damping slideway grooves 1021 are formed in the damping frame 102. The inside of the shock absorption frame 102 is provided with a driving motor 106, four shock absorption slide bars 103 are fixedly arranged on the shell of the driving motor 106 through a driving motor bracket 104, and each shock absorption slide bar 103 is in sliding fit with a corresponding shock absorption slide groove 1021. Four damping springs 105 are arranged between the inner wall of the damping frame 102 and the driving motor bracket 104, the damping springs 105 encircle the damping slide rod 103, and two ends of the damping springs 105 are in sliding fit with the damping frame 102 and the driving motor bracket 104. The output shaft of the driving motor 106 is fixedly provided with a spline pin 107, the spline pin 107 is provided with a spline sleeve 108 in a sliding manner through a spline, the spline sleeve 108 is fixedly provided with an input sliding disc 109, and an intermediate sliding disc 110 is arranged between the input sliding disc 109 and the output sliding disc 111 in a sliding manner. The sliding direction of the input slide tray 109 and the intermediate slide tray 110 and the sliding direction of the intermediate slide tray 110 and the output slide tray 111 are disposed perpendicularly.
The invention discloses a working principle of a high-precision liquid medicine delivery flow pump, which comprises the following steps: the peristaltic feeding discs 221 are lapped by a proper number of leather tubes 226 (the outer sides of peristaltic extrusion wheels 228 are lapped, the leather tubes 226 are extruded at the positions between the peristaltic extrusion wheels 222 and 228), then the driving motor 106 is started, the output shaft of the driving motor 106 rotates to drive the peristaltic feeding discs 221 to rotate, the peristaltic feeding discs 221 rotate to drive the peristaltic extrusion wheels 228, and as a distance exists between each peristaltic extrusion wheel 228, and the gap between each peristaltic extrusion wheel 228 and each peristaltic extrusion wheel 222 is slightly smaller than twice the wall thickness of the leather tube 226, different peristaltic extrusion wheels 228 are alternately close to the peristaltic extrusion wheels 222 in the rotating process, negative pressure is formed in the extruded areas, so that external fluid is sucked into the leather tubes 226, and the leather tube fixing frames 225 are arranged to keep the two ends of the leather tubes 226 relatively fixed, so that the pumping precision is improved. The purpose of the flow detector 227 is to detect the flow at the outlet of the leather hose 226, perform closed-loop feedback on the data, and control and regulate the rotation speed of the output shaft of the driving motor 106, so as to further improve the flow accuracy.
The output shaft of the driving motor 106 rotates to drive the spline pin 107, the spline pin 107 rotates to drive the spline sleeve 108 to rotate, the spline sleeve 108 rotates to drive the input sliding disk 109 to rotate, the input sliding disk 109 rotates to drive the middle sliding disk 110 to rotate, the middle sliding disk 110 rotates to drive the output sliding disk 111 to rotate, the output sliding disk 111 rotates to drive the driving disk 202 to rotate, the driving disk 202 rotates to drive the toothed ring 203 to rotate, the toothed ring 203 rotates to drive the planet gear 204 to rotate, the planet gear 204 rotates to drive the central gear 205 to rotate, the central gear 205 rotates to drive the peristaltic feeding disk 221 through the output transmission shaft 213, since all the planet gears 204 are rotatably arranged on the rotating frame 206, the rotating frame 206 needs to be ensured to be fixed when the central gear 205 rotates at full speed, and therefore the telescopic rod of the speed regulating electric cylinder 215 needs to be controlled to extend at the moment, the telescopic rod of the speed regulating electric cylinder 215 drives the speed regulating swing arm 212 to swing through the active push plate 216, the piezoresistor 219, the passive push plate 217 and the tail end push rod 214, the speed regulating swing arm 212 swings to drive the speed regulating rotating frame 209 to swing, the speed regulating rotating frame 209 swings to drive the speed regulating sliding groove 2091 to swing, the speed regulating sliding groove 2091 swings to drive the speed regulating extrusion block 208 to radially slide in the speed regulating extrusion sliding groove 2071 through the bump pin 2081, so that the speed regulating extrusion block 208 is in friction extrusion with the inner side of the rotating frame 206, the rotating frame 206 is kept stationary, the magnitude of the force applied by the tail end push rod 214 to the speed regulating swing arm 212 can be known through the data feedback of the piezoresistor 219, so that the radial pressure value applied by the speed regulating extrusion block 208 to the rotating frame 206 is obtained, the friction force between the rotating frame 206 and the speed regulating extrusion block 208 is obtained, and the rotating force of the rotating frame 206 is provided by the planetary gear 204, therefore, the rotating speed of the rotating frame 206 can be controlled by controlling the friction force between the speed regulating extrusion block 208 and the rotating frame 206, so that the speed of the central gear 205 is controlled, and the accuracy of the fluid flow in the leather hose 226 is ensured by fine adjustment through data feedback of the flow detector 227.
The vibration can be generated in the working process of the driving motor 106, the vibration can be buffered by arranging the four damping springs 105, so that the influence of the driving motor 106 on other equipment is reduced, in the vibration process of the driving motor 106, the output shaft of the driving motor 106 can generate displacement, and the power is transmitted to the driving disk 202 through the matching between the spline pin shaft 107 and the spline sleeve 108 (axial displacement, the clearance between the damping slide rod 103 and the damping slide channel 1021) and the input slide disk 109, the middle slide disk 110 and the output slide disk 111 (mutual sliding, thereby compensating the radial displacement).
Claims (9)
1. A high precision liquid drug delivery flow pump comprising a housing (101), characterized in that: the casing (101) is fixedly provided with a pumping part, the pumping part comprises a driving seat (201), a driving disc (202) is rotationally arranged on the driving seat (201), a toothed ring (203) is fixedly arranged on the driving disc (202), a central gear (205) is meshed and transmitted in the toothed ring (203) through three planetary gears (204), the three planetary gears (204) are rotationally arranged on a rotating frame (206), a sealing rotating cover (211) which is rotationally matched with the rotating frame (206) is fixedly arranged on the driving seat (201), a cover plate (210) is fixedly arranged on the sealing rotating cover (211), a speed regulating extrusion block bracket (207) is fixedly arranged on the cover plate (210), three speed regulating extrusion sliding grooves (2071) are formed in the speed regulating extrusion block bracket (207), speed regulating extrusion blocks (208) are uniformly and slidingly arranged in each speed regulating extrusion sliding groove (2071), a bump pin (2081) is arranged on the speed regulating extrusion block (208), a speed regulating rotating frame (209) is rotationally arranged on the cover plate (210), a speed regulating swing arm (215) is arranged on the cover plate (209), a speed regulating cylinder (209) is obliquely arranged on the swing arm (209), a speed regulating cylinder (209) is fixedly matched with the speed regulating pin (209), the telescopic rod end of the speed regulating electric cylinder (215) is fixedly provided with an active push plate (216), the speed regulating swing arm (212) is movably provided with a tail end push rod (214), the tail end push rod (214) is fixedly provided with a passive push plate (217), a piezoresistor (219) is lapped between the active push plate (216) and the passive push plate (217), the active push plate (216) and the passive push plate (217) are in sliding fit through three limit pull rods (220), two ends of each limit pull rod (220) are respectively provided with a limiting block (218) for limiting the distance between the active push plate (216) and the passive push plate (217), the sealing rotating cover (211) is fixedly provided with a dustproof cover plate (229), the dustproof cover plate (229) is rotatably provided with a peristaltic feeding disc (221) through a peristaltic feeding disc rotating frame (223), the peristaltic feeding disc (221) is fixedly connected with a central gear (205) through an output transmission shaft (213), at least 36 peristaltic extrusion wheels (228) are rotatably arranged on the peristaltic feeding disc rotating frame (223), peristaltic feeding discs (222) are fixedly arranged on the peristaltic feeding disc rotating frame (223), and peristaltic feeding discs (226) encircle a leather tube (221).
2. A high precision liquid drug delivery flow pump as in claim 1, wherein: the shell (101) is fixedly arranged on the frame through a mounting seat (112).
3. A high precision liquid drug delivery flow pump as in claim 2, wherein: the peristaltic feeding disc rotating frame (223) is also fixedly provided with a leather hose fixing frame (225), the leather hose fixing frame (225) is fixed with two ends of a leather hose (226), and the dustproof cover plate (229) is also fixedly provided with a flow detector (227) for detecting the flow rate of liquid in the leather hose (226).
4. A high precision liquid drug delivery flow pump as in claim 3, wherein: peristaltic extrusion piece (222) and leather tube mount (225) are gone up still the joint has peristaltic feeding dish apron (224), fixed mounting has protection casing (230) on dustproof apron (229).
5. A high precision liquid drug delivery flow pump as in claim 4 wherein: the driving seat (201) is rotatably provided with an output sliding disc (111), the output sliding disc (111) is fixed with a rotating shaft of the driving disc (202), the damping frame (102) is fixedly arranged in the shell (101), and four damping slide grooves (1021) are formed in the damping frame (102).
6. A high precision liquid drug delivery flow pump as in claim 5 wherein: the inner side of the shock absorption frame (102) is provided with a driving motor (106), four shock absorption slide bars (103) are fixedly arranged on the shell of the driving motor (106) through a driving motor bracket (104), and each shock absorption slide bar (103) is in sliding fit with a corresponding shock absorption slide groove (1021).
7. A high precision liquid drug delivery flow pump as in claim 6 wherein: four damping springs (105) are arranged between the inner wall of the damping frame (102) and the driving motor support (104), the damping springs (105) encircle the damping sliding rod (103), and two ends of the damping springs (105) are in sliding fit with the damping frame (102) and the driving motor support (104).
8. A high precision liquid drug delivery flow pump as in claim 7 wherein: the output shaft of the driving motor (106) is fixedly provided with a spline pin shaft (107), the spline pin shaft (107) is provided with a spline sleeve (108) through spline sliding, the spline sleeve (108) is fixedly provided with an input sliding disc (109), and an intermediate sliding disc (110) is arranged between the input sliding disc (109) and the output sliding disc (111) in a sliding mode.
9. A high precision liquid drug delivery flow pump as in claim 8, wherein: the sliding direction of the input sliding disk (109) and the middle sliding disk (110) and the sliding direction of the middle sliding disk (110) and the output sliding disk (111) are perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311573679.9A CN117267102B (en) | 2023-11-23 | 2023-11-23 | High-precision liquid medicine conveying flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311573679.9A CN117267102B (en) | 2023-11-23 | 2023-11-23 | High-precision liquid medicine conveying flow pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117267102A true CN117267102A (en) | 2023-12-22 |
| CN117267102B CN117267102B (en) | 2024-02-09 |
Family
ID=89209163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311573679.9A Active CN117267102B (en) | 2023-11-23 | 2023-11-23 | High-precision liquid medicine conveying flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117267102B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130177463A1 (en) * | 2012-01-11 | 2013-07-11 | Cheshire Electric Company, Llc | Precision peristaltic metering pump and device thereof |
| CN108223342A (en) * | 2017-12-08 | 2018-06-29 | 东莞市松研智达工业设计有限公司 | A kind of peristaltic pump that pulsation is eliminated using guide rail |
| CN108412744A (en) * | 2018-05-09 | 2018-08-17 | 卡川尔流体科技(上海)有限公司 | A kind of peristaltic pump with output fluted disc planetary reduction box and H-type synchronous disk |
| CN210769253U (en) * | 2019-10-12 | 2020-06-16 | 卡川尔流体科技(上海)有限公司 | Peristaltic pump with compensation function |
| CN113446205A (en) * | 2021-08-16 | 2021-09-28 | 赛若麦得（上海）生物技术有限公司 | High-precision low-flow peristaltic pump |
| CN215444353U (en) * | 2021-03-12 | 2022-01-07 | 保定齐力恒流泵有限公司 | Peristaltic pump head elastic hose extrusion part |
| CN114033654A (en) * | 2021-12-08 | 2022-02-11 | 深圳市时光电子有限公司 | Multilayer peristaltic pump with rapidly adjustable flow |
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2023
- 2023-11-23 CN CN202311573679.9A patent/CN117267102B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130177463A1 (en) * | 2012-01-11 | 2013-07-11 | Cheshire Electric Company, Llc | Precision peristaltic metering pump and device thereof |
| CN108223342A (en) * | 2017-12-08 | 2018-06-29 | 东莞市松研智达工业设计有限公司 | A kind of peristaltic pump that pulsation is eliminated using guide rail |
| CN108412744A (en) * | 2018-05-09 | 2018-08-17 | 卡川尔流体科技(上海)有限公司 | A kind of peristaltic pump with output fluted disc planetary reduction box and H-type synchronous disk |
| CN210769253U (en) * | 2019-10-12 | 2020-06-16 | 卡川尔流体科技(上海)有限公司 | Peristaltic pump with compensation function |
| CN215444353U (en) * | 2021-03-12 | 2022-01-07 | 保定齐力恒流泵有限公司 | Peristaltic pump head elastic hose extrusion part |
| CN113446205A (en) * | 2021-08-16 | 2021-09-28 | 赛若麦得（上海）生物技术有限公司 | High-precision low-flow peristaltic pump |
| CN114033654A (en) * | 2021-12-08 | 2022-02-11 | 深圳市时光电子有限公司 | Multilayer peristaltic pump with rapidly adjustable flow |
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|---|---|
| CN117267102B (en) | 2024-02-09 |
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