CN114215714B - Fluid conveying metering system and fluid conveying device - Google Patents
Fluid conveying metering system and fluid conveying device Download PDFInfo
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- CN114215714B CN114215714B CN202210005831.2A CN202210005831A CN114215714B CN 114215714 B CN114215714 B CN 114215714B CN 202210005831 A CN202210005831 A CN 202210005831A CN 114215714 B CN114215714 B CN 114215714B
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- 239000012530 fluid Substances 0.000 title claims abstract description 85
- 238000007789 sealing Methods 0.000 claims abstract description 95
- 239000007788 liquid Substances 0.000 claims abstract description 84
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000003814 drug Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 239000000919 ceramic Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000002572 peristaltic effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
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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
- 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
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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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a fluid conveying metering system, which comprises a cylinder body, a cover body and a rotary cylinder body, wherein the top end surface of the rotary cylinder body is fixedly provided with a connecting shaft, the connecting shaft is rotationally connected with the top end surface of the cover body, a piston which slides up and down is arranged in the rotary cylinder body, a pushing mechanism is connected on the piston, a rotary seat is connected at the position, close to the bottom end, of the interior of the rotary cylinder body, the piston divides the area above the rotary seat in the rotary cylinder body into a first sealing cavity and a second sealing cavity, the rotary seat comprises a base and an upper seat, the base is fixedly connected at the position, close to the bottom end, of the interior of the cylinder body, the upper seat is fixedly connected with the inner side surface of the rotary cylinder body, two connecting through holes A are symmetrically arranged on the base and are respectively connected with the first sealing cavity and the second sealing cavity through a first connecting channel and a second connecting channel, and the two connecting through holes A are respectively communicated with a liquid inlet and a liquid outlet at the position, close to the bottom end, on the side surface of the cylinder body; the invention can accurately control the flow rate of fluid and is safe and reliable to use.
Description
Technical Field
The invention belongs to the technical field of fluid conveying, and particularly relates to a fluid conveying metering system and a fluid conveying device.
Background
Currently, peristaltic pumps, piston pumps, diaphragm pumps are commonly used for fluid delivery. The pump products have peristaltic extrusion, pistons and diaphragm check valves.
The peristaltic pump is also called a constant flow pump or a hose pump, the mechanical principle is quite simple, fluid is pumped by alternately extruding and releasing an elastic conveying hose of the pump, and a pulse flow is generated during operation, so that the stability and the continuity of fluid flow are affected; after long-time operation, the fluid flow rate can also change correspondingly due to the elasticity of the pipeline and the change of the gap between the pump sheet and the pump door, thereby affecting the accuracy of fluid delivery.
The existing piston pump is characterized in that the working volume of a pump cavity is periodically changed by the reciprocating motion of a piston, so that the suction and discharge of fluid are realized, the volume of the piston pump is relatively fixed, the functions of continuous suction and discharge are not needed, and higher cost is required for controlling the precision.
The diaphragm pump is a special form in the volumetric pump, and the volume of a working chamber is changed by means of the back and forth movement of a diaphragm sheet so as to suck and discharge liquid, and the diaphragm pump is usually not too large in flow, so that most of the diaphragm pump is applied to a small system, and the diaphragm has short service life and is easy to damage; more importantly, since the fluid outlet is pulsed, precise control of fluid delivery may be affected.
Therefore, it is necessary to provide a fluid delivery metering system and a fluid delivery device that are reasonable in structural design, wide in capacity application range, high in fluid flow rate control accuracy, and safe and reliable in use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a fluid conveying metering system and a fluid conveying device which are reasonable in structural design, wide in capacity application range, high in fluid flow rate control accuracy and safe and reliable to use.
The purpose of the invention is realized in the following way: the utility model provides a fluid delivery metering system, includes barrel, lid and rotation cylinder body, the top face of rotation cylinder body is fixed with the connecting axle, the top face swivelling joint of connecting axle and lid, be provided with the piston of sliding from top to bottom in the rotation cylinder body, be connected with propulsion mechanism on the piston, the inside position department that is close to the bottom of rotation cylinder body is connected with the roating seat, the piston divide into two cavitys in first sealed chamber and second sealed chamber with the region of the inside roating seat top of rotation cylinder body, the roating seat includes base and upper seat, closely laminating and swivelling joint between the upper surface of base and the lower surface of upper seat, base fixed connection is in the position department that is close to the bottom inside the barrel, upper seat and the medial surface fixed connection of rotation cylinder body, along with rotation cylinder body are relative barrel and lid relatively rotatory, bilateral symmetry is provided with two connecting through-holes A on the base, two connecting through-hole A alternately pass through first connecting channel and second connecting channel respectively and two the sealed chamber link to each other, two the bottom of connecting through-hole A is close to the bottom of barrel respectively and the position of being close to the side of bottom of barrel and drain mouth.
Further, the pushing mechanism adopts a rotary pushing linkage mechanism, so that the piston can move up and down along the axial direction of the rotary cylinder body synchronously with the rotation of the rotary cylinder body.
Further, the propelling mechanism comprises a lifting guide rail fixed on the inner side surface of the cover body, a guide rod is arranged in the lifting guide rail in a sliding manner, the guide rod is arranged in a guide groove on the side surface of the rotary cylinder body in a vertical sliding manner, the piston comprises an upper piston head, a lower piston head and a piston rod connected between the two piston heads, the two piston heads are respectively located above and below the guide groove in the rotary cylinder body and are respectively connected with the inner side surface of the rotary cylinder body in a vertical sliding manner, the inner end of the guide rod is fixed on the piston rod, the guide rod drives the piston to slide up and down in the rotary cylinder body along with the rotary cylinder body under the restraint of the lifting guide rail and the guide groove, so that the volumes of the two cavities of the first sealing cavity and the second sealing cavity are changed, and further the suction and discharge of fluid in the two cavities of the first sealing cavity and the second sealing cavity are realized.
Further, the upper surface 180 degrees symmetry of base is provided with two arc grooves, and the top of two connecting through-holes A is located the central point department of two arc grooves respectively, the bottom of first connecting channel and second connecting channel is linked together with corresponding connecting through-hole A through different arc grooves respectively, can guarantee through the design of arc groove that the intraductal fluid of first sealed chamber and second is sealed and is inhaled, and then realizes the continuous infusion of fluid.
Further, the first connecting channel comprises a connecting hole arranged in the upper seat and connecting pipes with two ends connected with the first sealing cavity and the connecting hole respectively, the other end of the connecting hole is communicated with the arc-shaped groove on the upper surface of the base, and the first sealing cavity is communicated with the two connecting through holes A alternately through the connecting pipes, the connecting holes and the arc-shaped groove in the process of relative rotation of the base and the upper seat, so that the fluid in the first sealing cavity is discharged and absorbed.
Further, the second connecting channel comprises a connecting through hole B arranged in the upper seat, the top end of the connecting through hole B is communicated with the second sealing cavity, the bottom end of the connecting through hole B is communicated with the arc-shaped groove on the upper surface of the base, and the second sealing cavity is alternately communicated with the two connecting through holes A through the connecting through hole B and the arc-shaped groove in the process of relative rotation of the base and the upper seat, so that the exhausting and sucking of fluid in the second sealing cavity are realized.
Further, the connecting shaft adopts a regular polygon mechanism, or a positioning groove along the axial direction of the connecting shaft is formed in the connecting shaft so as to realize quick connection between the connecting shaft and the output shaft of the driving motor.
The invention also provides a fluid conveying device, which comprises a fluid conveying metering system, wherein the cylinder body is detachably inserted on the bottom end face of the control box body, the connecting shaft is connected with an output shaft of a driving motor in the control box body, the bottom end of the control box body is connected with a bottom shell, the bottom shell is detachably connected with the control box body through a buckle, and the liquid inlet and the liquid outlet are respectively connected with the liquid inlet pipe and the liquid outlet pipe.
Further, the lower surface of the bottom shell is fixedly connected with a medicine box, and the liquid inlet pipe is communicated with a medicine bag arranged in the medicine box.
Further, a controller and a battery are further arranged in the control box body, the controller is respectively electrically connected with the driving motor, the display, the control button and the battery, and the rotation speed of the driving motor can be adjusted and controlled according to the requirement through the controller, so that the flow rate of fluid in the fluid conveying device is adjusted and controlled.
The invention has the beneficial effects that:
1. The invention can control the flow rate by controlling the rotation speed of the rotary cylinder body, and has the more remarkable effects that the fluid in the sealing cavity is discharged and sucked by rotating 180 degrees, and the high-precision fluid conveying can be realized by controlling the stepping quantity of the motor.
2. The materials used in the present invention can be low cost plastics and ceramics, thus achieving good cost effectiveness.
3. The invention has wide flow speed and flow range and low shearing force, thereby realizing wide application range.
In addition to the technical problems, features of the constituent technical solutions and advantages brought by the technical features of the technical solutions described above, other technical features of the present invention and advantages brought by the technical features of the technical solutions, further description will be made with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic illustration of a fluid delivery metering system of the present invention.
FIG. 2 is a schematic cross-sectional view of a fluid delivery metering system of the present invention.
Fig. 3 is a schematic diagram of a rotary cylinder in a fluid delivery metering system according to the present invention.
FIG. 4 is a schematic cross-sectional view of a swivel base in a fluid delivery metering system in accordance with the present invention.
Fig. 5 is a schematic view of a base of a fluid delivery metering system according to the present invention.
Fig. 6 is a schematic view of a cover of a fluid delivery metering system according to the present invention.
Fig. 7 is a schematic diagram of the piston structure of a fluid delivery metering system according to the present invention.
Fig. 8 is a schematic view showing a structure of a fluid delivery device of the present invention in a state of being connected to a cartridge.
Fig. 9 is a schematic view showing the structure of the inside of a control housing in a fluid delivery device according to the present invention.
In the figure: 1. barrel 2, lid 3, connecting axle 4, inlet 5, leakage fluid dram 6, rotation cylinder 7, piston 8, first sealed chamber 9, second sealed chamber 10, upper seat 11, base 12, connecting through-hole A13, lift guide 14, guide bar 15, guide slot 16, connecting pipe 17, connecting hole 18, connecting through-hole B19, constant head tank 20, piston rod 21, piston head 22, control box 23, drain pan 24, inlet pipe 25, leakage fluid dram 26, buckle 27, battery 28, driving motor 29, display 30, control button 31, controller 32, arc wall 33, medicine box.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, fig. 2, fig. 4 and fig. 5, a fluid delivery metering system comprises a cylinder body 1, a cover body 2 and a rotary cylinder body 6, wherein a connecting shaft 3 is fixed on the top end surface of the rotary cylinder body 6, the connecting shaft 3 is rotationally connected with the top end surface of the cover body 2, a rotating seat is connected to the position, close to the bottom end, inside the rotary cylinder body 6, of the rotary seat, the rotating seat comprises a base 11 and an upper seat 10, the base 11 is rotationally connected with the upper seat 10, the surface, close to the bottom surface, of the upper surface of the base 11 and the lower surface of the upper seat 10 is a smooth surface similar to a ceramic sheet, so that the fluid can smoothly do relative motion and can ensure sealing effect to flow according to a specified cavity, the base 11 is fixedly connected to the position, close to the bottom end, inside the upper seat 10 is fixedly connected with the inner side surface of the rotary cylinder body 6, and in the process of driving the rotary cylinder body 6 to rotate through the connecting shaft 3, the upper seat 10 in the rotating seat rotates relative to the base 11, the piston 7 divides the area above the upper seat 10 in the rotating cylinder 6 into a first sealing cavity 8 and a second sealing cavity 9, two connecting through holes A12 are symmetrically arranged on the base 11 left and right, the two connecting through holes A12 are respectively connected with the first sealing cavity 8 and the second sealing cavity 9 through a first connecting channel and a second connecting channel, two arc grooves 32 are symmetrically arranged on the upper surface of the base 11, the top ends of the two connecting through holes A12 are respectively positioned at the central positions of the two arc grooves 32, the bottom ends of the first connecting channel and the second connecting channel are respectively communicated with the corresponding connecting through holes A12 through different arc grooves 32, the continuous communication between the first sealing cavity 8 and the second sealing cavity 9 and the liquid inlet 4 and the liquid outlet 5 can be ensured through the arc grooves 32, the bottom ends of the two connecting through holes A12 are respectively communicated with the liquid inlet 4 and the liquid outlet 5 which are arranged on the side surface of the cylinder body 1 and close to the bottom end, in the process that the upper seat 10 rotates relative to the base 11, the two connecting through holes A12 are alternately communicated with the first sealing cavity 8 and the second sealing cavity 9 respectively through a first connecting channel and a second connecting channel, the first sealing cavity 8 and the second sealing cavity 9 are respectively communicated with or disconnected from the two connecting through holes A12 at the same time, so that the first sealing cavity 8 and the second sealing cavity 9 are alternately communicated with the liquid inlet 4 and the liquid outlet 5, a piston 7 is connected in the rotary cylinder body 6 in a sliding manner, a pushing mechanism is connected to the piston 7, in the process that the first sealing cavity 8 and the second sealing cavity 9 are alternately communicated with the liquid inlet 4 and the liquid outlet 5 in a circulating manner, the pushing mechanism pushes the piston 7 to slide up and down along the inner side wall of the rotary cylinder body 6, and each time the rotary cylinder body 6 exactly completes two strokes, namely, after moving from one limit position to the other limit position, the first sealing cavity 8 and the second sealing cavity 9 are continuously sucked into the liquid outlet 5 from the first sealing cavity 4 to the liquid outlet 5, and the liquid outlet 5 can be synchronously sucked from the first sealing cavity 8 to the liquid outlet 5 through the sealing cavity 6, and the fluid is synchronously pumped from the first sealing cavity 6 to the liquid outlet 5 to the liquid inlet and the liquid outlet 5 to the liquid outlet 5 through the synchronous system.
The specific working process comprises the following steps:
(1) Initial position: the piston is positioned at the center of the rotary cylinder body, the bottom ends of the first connecting channel and the second connecting channel respectively correspond to the positions of the two connecting through holes A, and at the moment, the volumes of fluid in the first sealing cavity and the second sealing cavity are the same and are 0.5V;
(2) The connecting shaft drives the rotary cylinder body to rotate by 90 degrees, in the process, the first sealing cavity is communicated with the liquid outlet through the first connecting channel, the corresponding arc-shaped groove and the connecting through hole A, the second sealing cavity is communicated with the liquid inlet through the second connecting channel, the corresponding arc-shaped groove and the connecting through hole A, the pushing mechanism pushes the piston to move upwards from the central position of the rotary cylinder body to the upper limit position along the axial direction of the rotary cylinder body, so that fluid in the first sealing cavity is gradually discharged from the liquid outlet, and simultaneously fluid is pumped into the second sealing cavity from the liquid inlet until the bottom ends of the first connecting channel and the second connecting channel are respectively symmetrically positioned at positions between the two arc-shaped grooves on the upper surface of the base, at the moment, the first sealing cavity, the liquid outlet and the second sealing cavity are respectively disconnected with the liquid inlet, at the moment, the volume of fluid in the first sealing cavity is 0, and the volume of fluid in the second sealing cavity is V;
(3) The driving motor drives the rotary cylinder body to continuously rotate 180 degrees, at the moment, the first sealing cavity is gradually communicated with the liquid inlet, the second sealing cavity is gradually communicated with the liquid outlet, in the process, the pushing mechanism pushes the piston to move downwards from the upper limit position of the rotary cylinder body to the lower limit position along the axial direction of the rotary cylinder body, so that fluid in the second sealing cavity is gradually discharged from the liquid outlet, and simultaneously fluid is pumped into the first sealing cavity from the liquid inlet until the first connecting channel and the bottom end of the second connecting channel are respectively symmetrically positioned at positions between two arc-shaped grooves on the upper surface of the base, at the moment, the first sealing cavity, the liquid inlet, the second sealing cavity and the liquid outlet are respectively disconnected, at the moment, the volume of fluid in the first sealing cavity is V, and the volume of fluid in the second sealing cavity is 0;
(4) The driving motor drives the rotary cylinder body to continuously rotate 180 degrees, in the process, the first sealing cavity is communicated with the liquid outlet, the second sealing cavity is communicated with the liquid inlet, the pushing mechanism pushes the piston to move upwards from the lower limit position of the rotary cylinder body to the upper limit position along the axial direction of the rotary cylinder body, so that fluid in the first sealing cavity is gradually discharged from the liquid outlet, and simultaneously fluid is pumped into the second sealing cavity from the liquid inlet until the bottom ends of the first connecting channel and the second connecting channel are respectively symmetrically positioned at positions between two arc-shaped grooves on the upper surface of the base, at the moment, the first sealing cavity is respectively disconnected with the liquid outlet, the second sealing cavity is respectively disconnected with the liquid inlet, at the moment, the volume of fluid in the first sealing cavity is 0, and the volume of fluid in the second sealing cavity is V;
and (3) repeating the steps (3) and (4) to realize continuous delivery of the fluid.
As shown in fig. 8 and 9, a fluid delivery device includes a fluid delivery metering system, the cylinder 1 is detachably plugged on the bottom end face of the control box 22 and the connecting shaft 3 is connected with the output shaft of the driving motor 28 in the control box 22, the bottom end of the control box 22 is connected with the bottom shell 23, the bottom shell 23 is detachably connected with the control box 22 through the buckle 26, the liquid inlet 4 and the liquid outlet 5 are respectively connected with the liquid inlet 24 and the liquid outlet 25, and the connecting shaft 3 is provided with a positioning groove 19 along the axial direction thereof, when in use, the liquid inlet 24 and the liquid outlet 25 are respectively connected with the liquid inlet 4 and the liquid outlet 5, then the cylinder 1 of the delivery mechanism is fixed in the plugging port on the bottom end face of the control box 22 in a plugging manner, the connecting shaft 3 is fixedly connected with the output shaft of the driving motor 28 in a plugging manner, and then the bottom shell 23 is quickly fixed with the control box 22 through the buckle 26, so as to effectively prevent the delivery mechanism from falling off from the bottom end face of the control box 22.
Example 2
As shown in fig. 1-7, a fluid delivery metering system comprises a cylinder body 1, a cover body 2 and a rotary cylinder body 6, wherein a connecting shaft 3 is fixed on the top end surface of the rotary cylinder body 6, the connecting shaft 3 is rotationally connected with the top end surface of the cover body 2, a rotary seat is connected to the position, close to the bottom end, inside the rotary cylinder body 6, of the rotary seat, the rotary seat comprises a base 11 and an upper seat 10, the base 11 is rotationally connected with the upper seat 10, the surface, close to the lower surface, of the upper seat 10 is a smooth surface similar to a ceramic plate, so that the upper surface of the base 11 and the lower surface of the upper seat 10 can smoothly do relative motion and can ensure sealing action to enable fluid to flow according to a specified cavity, the base 11 is fixedly connected to the position, close to the bottom end, inside the upper seat 10 and the inner side surface of the rotary cylinder body 6 are fixedly connected, and in the process of driving the rotary cylinder body 6 to rotate through the connecting shaft 3, the upper seat 10 in the rotating seat rotates relative to the base 11, the piston 7 divides the area above the upper seat 10 in the rotating cylinder 6 into a first sealing cavity 8 and a second sealing cavity 9, two connecting through holes A12 are symmetrically arranged on the base 11 left and right, the two connecting through holes A12 are respectively communicated with the first sealing cavity 8 and the second sealing cavity 9 through a first connecting channel and a second connecting channel, two arc grooves 32 are symmetrically arranged on the upper surface of the base 11 at 180 degrees, the top ends of the two connecting through holes A12 are respectively positioned at the central positions of the two arc grooves 32, the first connecting channel comprises a connecting hole 17 arranged in the upper seat 10 and a connecting pipe 16 with two ends respectively connected with the first sealing cavity 8 and the connecting hole 17, the other end of the connecting hole 17 corresponds to one of the arc grooves 32 on the upper surface of the base 11, the second connecting channel comprises a connecting through hole B18 arranged in the upper seat 10, the top end of the connecting through hole B18 is communicated with the second sealing cavity 9, the bottom end of the connecting through hole B18 corresponds to the other arc-shaped groove 32 on the upper surface of the base 11, the first connecting channel comprises a connecting pipe 16 arranged in the center of the rotary cylinder body 6 and a connecting hole 17 arranged in the upper seat 10, the top end of the connecting pipe 16 is communicated with the first sealing cavity 8, the bottom end of the connecting pipe 16 is connected with the connecting hole 17, the other end of the connecting hole 17 corresponds to the top end of the connecting through hole A12, the second connecting channel comprises a connecting through hole B18 arranged in the upper seat 10, the top end of the connecting through hole B18 is communicated with the second sealing cavity 9, the bottom end of the connecting through hole A12 corresponds to the top end of the connecting through hole A12, and the arc-shaped groove 32 can ensure continuous communication of the first sealing cavity 8, the second sealing cavity 9 and the liquid inlet 4 and the liquid outlet 5 respectively, the bottom ends of the two connecting through holes A12 are respectively communicated with the liquid inlet 4 and the liquid outlet 5 which are arranged on the side surface of the cylinder body 1 and near the bottom end, in the process of rotating the upper seat 10 relative to the base 11, the connecting holes 17 and the connecting through holes B18 in the upper seat 10 are alternately communicated with the two connecting through holes A12 respectively, so that the two connecting through holes A12 are alternately communicated with the first sealing cavity 8 and the second sealing cavity 9 respectively, the first sealing cavity 8 and the second sealing cavity 9 are alternately communicated with the liquid inlet 4 and the liquid outlet 5, the piston 7 is connected in the rotating cylinder body 6 in a vertical sliding way, the piston 7 comprises an upper piston head 21, a lower piston head 21 and a piston rod 20 connected between the two piston heads 21, the two piston heads 21 are respectively positioned above and below the guide groove 15 in the rotating cylinder body 6 and are respectively connected with the inner side surface of the rotating cylinder body 6 in a vertical sliding way, the inner end of the guide rod 14 is fixed on the piston rod 20, the guide rod 14 slides up and down in a guide groove 15 arranged on the side surface of the rotary cylinder body 6, and the outer end of the guide rod 14 slides in a lifting guide rail 13 arranged on the inner side surface of the cover body 2, during the rotation of the rotary cylinder body 6, the guide rod 14 rotates along with the rotary cylinder body 6, at the moment, under the pushing of the lifting guide rail 13, the guide rod 14 drives the piston 7 to move upwards or downwards along the axial direction of the rotary cylinder body 6, the rotary cylinder body 6 just completes two strokes when rotating the piston once every round, namely, moves from one limit position to the other limit position and returns to the original position, and during the process that the first sealing cavity 8 and the second sealing cavity 9 are alternately communicated with the liquid inlet 4 and the liquid outlet 5, the pushing mechanism pushes the piston 7 to slide up and down along the inner side wall of the rotary cylinder body 6 continuously, so that fluid in the first sealing cavity 8 is discharged from the liquid outlet 5, fluid in the second sealing cavity 9 is pumped from the liquid inlet 4 to the second sealing cavity 9 synchronously, the fluid in the second sealing cavity 9 is pumped from the liquid inlet 5 to the liquid outlet 5, the fluid in the second sealing cavity 9 is pumped from the liquid outlet 5 to the liquid outlet 6 and the liquid outlet 6 is synchronously pumped from the liquid inlet cavity 6 to the liquid outlet 6, the fluid is pumped into the liquid sealing system is accurately and the fluid is conveyed in a unit, and the unit is conveyed in the time unit, and the accurate speed can flow is controlled, and the speed is controlled.
The fluid delivery metering system operates in the same manner as in example 1.
As shown in fig. 8 and 9, a fluid delivery device comprises a fluid delivery metering system, wherein a cylinder 1 is detachably inserted on the bottom end face of a control box 22, a connecting shaft 3 is connected with an output shaft of a driving motor 28 in the control box 22, a bottom shell 23 is connected to the bottom end of the control box 22, the bottom shell 23 is detachably connected with the control box 22 through a buckle 26, a liquid inlet 4 and a liquid outlet 5 are respectively connected with a liquid inlet pipe 24 and a liquid outlet pipe 25, a positioning groove 19 along the axial direction of the connecting shaft 3 is arranged, a medicine box 33 is fixedly connected to the lower surface of the bottom shell 23, the liquid inlet pipe 24 is communicated with the medicine box 33, when the fluid delivery device is used, the liquid inlet 24 and the liquid outlet pipe 25 are respectively connected with the liquid inlet 4 and the liquid outlet 5, then the cylinder 1 of the delivery mechanism is fixed in the inserting port on the bottom end face of the control box 22 in an inserting manner, the connecting shaft 3 is quickly connected with the output shaft of the driving motor 28 through the inserting manner, and then the bottom shell 23 is quickly connected with the control box 22 through the buckle 26, and the bottom end face of the control box 22 is effectively prevented from falling off from the control box 22; the control box 22 is internally provided with a controller 31 and a battery 27, the controller 31 is electrically connected with the driving motor 28, the display 29, the control button 30 and the battery 27 respectively, the rotation speed of the driving motor 28 can be adjusted through the control button 30 and the controller 31, the conveying speed of fluid is further controlled, the flow speed of the fluid or the rotation speed of the driving motor can be intuitively displayed through the display 29, and the battery 27 comprises a lithium battery and a dry battery, and can be used as an external power supply or independently used when the power supply is inconvenient to plug.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" and "an" and similar referents in the description and claims of the application are not necessarily to scale. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A fluid delivery metering system, characterized by: the rotary cylinder comprises a cylinder body (1), a cover body (2) and a rotary cylinder body (6), wherein a connecting shaft (3) is fixed on the top end surface of the rotary cylinder body (6), the connecting shaft (3) is in rotary connection with the top end surface of the cover body (2), a piston (7) which slides up and down is arranged in the rotary cylinder body (6), a pushing mechanism is connected to the piston (7), a rotary seat is connected to the position, close to the bottom, of the interior of the rotary cylinder body (6), the piston (7) divides the area above the rotary seat inside the rotary cylinder body (6) into two cavities, namely a first sealing cavity (8) and a second sealing cavity (9), the rotary seat comprises a base (11) and an upper seat (10), the upper surface of the base (11) is in rotary connection with the lower surface of the upper seat (10), the base (11) is fixedly connected to the position, close to the bottom, of the inner side surface of the rotary cylinder body (6), the inner side surface of the rotary cylinder body (6) is fixedly connected with the inner side of the rotary cylinder body (6), the cover body (1) is in opposite direction to the rotary cylinder body (6), the two cavities (12) are in opposite direction, the two sealing cavities (12) are connected to the two sealing cavities (12) in opposite direction, the two sealing cavities (12A) are connected to the two sealing cavities (12) in opposite direction, the two sealing cavities are connected to one another through the two sealing cavities (12A respectively, the bottom ends of the two connecting through holes A (12) are respectively communicated with a liquid inlet (4) and a liquid outlet (5) at the positions close to the bottom ends on the side surface of the cylinder body (1);
The pushing mechanism adopts a rotary pushing linkage mechanism, the pushing mechanism comprises a lifting guide rail (13) fixed on the inner side surface of the cover body (2), a guide rod (14) is arranged in the lifting guide rail (13) in a sliding manner, the guide rod (14) is arranged in a guide groove (15) on the side surface of the rotary cylinder body (6) in a sliding manner, the piston (7) comprises an upper piston head (21) and a lower piston head (21) and a piston rod (20) connected between the two piston heads (21), the two piston heads (21) are respectively positioned above and below the guide groove (15) in the rotary cylinder body (6) and are respectively connected with the inner side surface of the rotary cylinder body (6) in a sliding manner, and the inner end of the guide rod (14) is fixed on the piston rod (20);
Two arc-shaped grooves (32) are symmetrically formed in the upper surface of the base (11) at 180 degrees, the top ends of the two connecting through holes A (12) are respectively located at the center positions of the two arc-shaped grooves (32), and the bottom ends of the first connecting channel and the second connecting channel are respectively communicated with the corresponding connecting through holes A (12) through different arc-shaped grooves (32); the first connecting channel comprises a connecting hole (17) arranged in the upper seat (10) and a connecting pipe (16) with two ends respectively connected with the first sealing cavity (8) and the connecting hole (17), and the other end of the connecting hole (17) is communicated with an arc-shaped groove (32) on the upper surface of the base (11); the second connecting channel comprises a connecting through hole B (18) arranged in the upper seat (10), the top end of the connecting through hole B (18) is communicated with the second sealing cavity (9), and the bottom end of the connecting through hole B is communicated with an arc-shaped groove (32) on the upper surface of the base (11).
2. A fluid delivery metering system as claimed in claim 1 wherein: the connecting shaft (3) adopts a regular polygon mechanism, or a positioning groove (19) along the axial direction of the connecting shaft (3) is arranged on the connecting shaft.
3. A fluid delivery device, characterized by: the fluid conveying metering system according to claim 1 or 2, wherein the cylinder (1) is detachably inserted on the bottom end face of the control box body (22) and the connecting shaft (3) is connected with an output shaft of a driving motor (28) in the control box body (22), a bottom shell (23) is connected with the bottom end of the control box body (22), the bottom shell (23) is detachably connected with the control box body (22) through a buckle (26), and the liquid inlet (4) and the liquid outlet (5) are respectively connected with a liquid inlet pipe (24) and a liquid outlet pipe (25).
4. A fluid delivery device according to claim 3, wherein: the medicine box (33) is fixedly connected to the lower surface of the bottom shell (23), and the liquid inlet pipe (24) is communicated with a medicine bag arranged in the medicine box (33).
5. A fluid delivery device according to claim 3 or 4, wherein: the control box body (22) is internally provided with a controller (31) and a battery (27), and the controller (31) is electrically connected with the driving motor (28), the display (29), the control button (30) and the battery (27) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210005831.2A CN114215714B (en) | 2022-01-05 | 2022-01-05 | Fluid conveying metering system and fluid conveying device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210005831.2A CN114215714B (en) | 2022-01-05 | 2022-01-05 | Fluid conveying metering system and fluid conveying device |
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| CN114215714A CN114215714A (en) | 2022-03-22 |
| CN114215714B true CN114215714B (en) | 2024-05-03 |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1359626A (en) * | 1962-05-15 | 1964-04-30 | Rotary cylinder and piston metering pump | |
| FI910104A0 (en) * | 1990-01-10 | 1991-01-09 | Dennis Pinkerton | PUMP WITH FLERPORTSUTMATNING. |
| EP0433649A1 (en) * | 1989-11-17 | 1991-06-26 | ASKOLL S.p.A. | Fluid metering pump |
| US5807075A (en) * | 1993-11-23 | 1998-09-15 | Sarcos, Inc. | Disposable ambulatory microprocessor controlled volumetric pump |
| JPH11117855A (en) * | 1997-10-20 | 1999-04-27 | Kayaba Ind Co Ltd | Axial piston pump |
| WO1999051880A2 (en) * | 1998-04-03 | 1999-10-14 | Allen Norman Geldenhuys | Multi-cylinder piston pump |
| AU2005308558A1 (en) * | 2004-11-29 | 2006-06-01 | Swissinnov Product S.a.r.l | Volumetric pump with reciprocated and rotated piston |
| WO2015041980A1 (en) * | 2013-09-18 | 2015-03-26 | Smiths Medical Asd, Inc. | Pump device and method therefor of conveying fluid, and method of manufacturing the pump device |
| CN106103988A (en) * | 2014-02-07 | 2016-11-09 | 托维克公司 | Axial plunger device |
| CN206234069U (en) * | 2016-10-31 | 2017-06-09 | 深圳市世椿智能装备股份有限公司 | A kind of type bidirectional piston pump |
| EP3187729A2 (en) * | 2015-12-30 | 2017-07-05 | Graco Minnesota Inc. | Fluted piston components for pumps |
| CN111097082A (en) * | 2019-12-26 | 2020-05-05 | 多普医疗科技(郑州)有限公司 | Conveying metering device and infusion device |
| CN111237155A (en) * | 2020-02-28 | 2020-06-05 | 燕山大学 | Through-shaft axial piston pump capable of realizing energy recovery |
| CN212479484U (en) * | 2020-06-23 | 2021-02-05 | 嘉岳智能科技(威海)有限公司 | Single-cylinder reciprocating piston metering pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170234307A1 (en) * | 2014-03-02 | 2017-08-17 | Swissinnov Product Sarl | Volumetric pump with bleed mechanism |
-
2022
- 2022-01-05 CN CN202210005831.2A patent/CN114215714B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1359626A (en) * | 1962-05-15 | 1964-04-30 | Rotary cylinder and piston metering pump | |
| EP0433649A1 (en) * | 1989-11-17 | 1991-06-26 | ASKOLL S.p.A. | Fluid metering pump |
| FI910104A0 (en) * | 1990-01-10 | 1991-01-09 | Dennis Pinkerton | PUMP WITH FLERPORTSUTMATNING. |
| US5807075A (en) * | 1993-11-23 | 1998-09-15 | Sarcos, Inc. | Disposable ambulatory microprocessor controlled volumetric pump |
| JPH11117855A (en) * | 1997-10-20 | 1999-04-27 | Kayaba Ind Co Ltd | Axial piston pump |
| WO1999051880A2 (en) * | 1998-04-03 | 1999-10-14 | Allen Norman Geldenhuys | Multi-cylinder piston pump |
| AU2005308558A1 (en) * | 2004-11-29 | 2006-06-01 | Swissinnov Product S.a.r.l | Volumetric pump with reciprocated and rotated piston |
| WO2015041980A1 (en) * | 2013-09-18 | 2015-03-26 | Smiths Medical Asd, Inc. | Pump device and method therefor of conveying fluid, and method of manufacturing the pump device |
| CN106103988A (en) * | 2014-02-07 | 2016-11-09 | 托维克公司 | Axial plunger device |
| EP3187729A2 (en) * | 2015-12-30 | 2017-07-05 | Graco Minnesota Inc. | Fluted piston components for pumps |
| CN106930937A (en) * | 2015-12-30 | 2017-07-07 | 固瑞克明尼苏达有限公司 | For the rotary-piston of pump |
| CN110345033A (en) * | 2015-12-30 | 2019-10-18 | 固瑞克明尼苏达有限公司 | Rotary-piston for pump |
| CN206234069U (en) * | 2016-10-31 | 2017-06-09 | 深圳市世椿智能装备股份有限公司 | A kind of type bidirectional piston pump |
| CN111097082A (en) * | 2019-12-26 | 2020-05-05 | 多普医疗科技(郑州)有限公司 | Conveying metering device and infusion device |
| CN111237155A (en) * | 2020-02-28 | 2020-06-05 | 燕山大学 | Through-shaft axial piston pump capable of realizing energy recovery |
| CN212479484U (en) * | 2020-06-23 | 2021-02-05 | 嘉岳智能科技(威海)有限公司 | Single-cylinder reciprocating piston metering pump |
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|---|---|
| CN114215714A (en) | 2022-03-22 |
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