CN220302310U - Peristaltic device for infusion pump - Google Patents
Peristaltic device for infusion pump Download PDFInfo
- Publication number
- CN220302310U CN220302310U CN202321745477.3U CN202321745477U CN220302310U CN 220302310 U CN220302310 U CN 220302310U CN 202321745477 U CN202321745477 U CN 202321745477U CN 220302310 U CN220302310 U CN 220302310U
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- Prior art keywords
- peristaltic
- chamber
- gear
- assembly
- transmission
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- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 64
- 238000001802 infusion Methods 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the field of infusion pump design, in particular to a peristaltic device for an infusion pump. The peristaltic device comprises a mounting frame, wherein the mounting frame comprises a first chamber, a second chamber which is arranged on the side part of the first chamber and communicated with the first chamber, and a third chamber which is arranged below the first chamber and communicated with the second chamber; a peristaltic assembly mounted within the first chamber; the transmission assembly is arranged in the second cavity and is connected with the peristaltic assembly; the power assembly is arranged in the third cavity and is connected with the transmission assembly; the peristaltic component, the transmission component and the power component can be arranged in the mounting frame through the first chamber, the second chamber and the third chamber of the mounting frame respectively, so that the structure is reasonable and compact, and the working stability of the mounting frame is improved; meanwhile, the space utilization rate can be effectively improved.
Description
Technical Field
The utility model relates to the field of infusion pump design, in particular to a peristaltic device for an infusion pump.
Background
Infusion pumps are a widely used class of fluid infusion devices. Generally, infusion pumps include a pump body and a pump door, the pump body typically having an infusion tube mounting structure and other required components, including, for example, a pump body assembly, a drive mechanism to control locking of the pump door with the pump body, a power module, a battery assembly, and the like.
The peristaltic device is a device used for extruding the infusion tube in the infusion pump so as to push the liquid in the infusion tube to flow; however, the existing peristaltic device is unreasonable in structural arrangement and compact in structure, so that the infusion pump is large in size; in addition, the existing peristaltic device is unstable in operation, has poor extrusion pushing effect on the infusion tube, and is not suitable for medical application.
For this reason, a technical means is needed to solve the above-mentioned drawbacks.
Disclosure of Invention
The utility model adopts the following technical scheme:
peristaltic device for an infusion pump, the peristaltic device comprising
The mounting frame comprises a first chamber, a second chamber which is arranged on the side part of the first chamber and communicated with the first chamber, and a third chamber which is arranged below the first chamber and communicated with the second chamber;
a peristaltic assembly mounted within the first chamber;
the transmission assembly is arranged in the second cavity and is connected with the peristaltic assembly;
the power assembly is arranged in the third cavity and is connected with the transmission assembly;
wherein, the two side walls of the first chamber are provided with guide grooves; the peristaltic component comprises a rotating shaft, a plurality of circular transmission plates arranged on the rotating shaft side by side, and a peristaltic plate arranged on the circular transmission plates; the section of the rotating shaft is hexagonal, a hexagonal mounting hole is formed in the circular transmission plate corresponding to the hexagon, and the hexagonal mounting hole is formed in the eccentric position of the circular transmission plate; the circular transmission plates are arranged on the rotating shaft in a staggered manner, so that the circular transmission plates are distributed on the rotating shaft in a wave manner; the two sides of the round transmission plate are respectively provided with a connecting column and a connecting hole, and the connecting columns between two adjacent round transmission plates are all arranged in the corresponding connecting holes; the peristaltic board is internally provided with an accommodating hole, the circular transmission sheet is arranged in the accommodating hole, and the aperture of the accommodating hole is larger than that of the circular transmission sheet, so that the circular transmission sheet drives the peristaltic board to lift up and down in the rotating process; the two ends of the peristaltic board are respectively arranged in the guide grooves of the two side walls of the first chamber.
Preferably, the top of the peristaltic board is provided with a liquid squeezing board for driving liquid in the infusion tube to flow; the upper part of the liquid squeezing plate is recessed from the center towards two sides.
Preferably, the transmission assembly comprises a first gear connected with the rotating shaft, a second gear meshed with the first gear, a third gear connected with the second gear and rotating with the second gear, and a fourth gear meshed with the third gear; the fourth gear is connected with the power assembly.
Preferably, the power assembly comprises a servo motor; the servo motor is connected with the fourth gear.
Preferably, the mounting frame is provided with a mounting column for being connected with the outside.
According to the peristaltic device for the infusion pump, the peristaltic component, the transmission component and the power component are arranged in the mounting frame through the first chamber, the second chamber and the third chamber of the mounting frame respectively, so that the peristaltic device is reasonable and compact in structural arrangement, and the working stability of the peristaltic device is improved; meanwhile, the space utilization rate can be effectively improved.
Drawings
FIG. 1 is an overall schematic of a peristaltic device for an infusion pump of the present utility model;
FIG. 2 is an overall schematic view of a mounting bracket in a peristaltic device for an infusion pump of the present utility model;
FIG. 3 is an overall schematic of the drive assembly of the peristaltic device for an infusion pump of the present utility model;
FIG. 4 is an overall schematic of a peristaltic assembly in a peristaltic device for an infusion pump of the present utility model;
FIG. 5 is an overall schematic of a circular drive plate in the peristaltic device for an infusion pump of the present utility model;
fig. 6 is an overall schematic view of another angle of fig. 5.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying 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 utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 6, a peristaltic device for an infusion pump includes a mounting frame 10, wherein the mounting frame 10 includes a first chamber 101, a second chamber 102 mounted on a side portion of the first chamber 101 and communicated with the first chamber 101, and a third chamber 103 mounted below the first chamber 101 and communicated with the second chamber 102; peristaltic assembly 20, peristaltic assembly 20 is mounted within first chamber 101; the transmission assembly 30, the transmission assembly 30 is installed in the second chamber 102, and is connected with the peristaltic assembly 20; a power assembly 40, the power assembly 40 being mounted in the third chamber 103 and being connected to the transmission assembly 30;
wherein, the two side walls of the first chamber 101 are provided with guide grooves 104; peristaltic assembly 20 includes a rotating shaft 201, a plurality of circular driving plates 202 mounted side by side on rotating shaft 201, and peristaltic sheet 203 mounted on circular driving plates 202; the cross section of the rotating shaft 201 is hexagonal, a hexagonal mounting hole 204 is arranged on the circular transmission plate 202 corresponding to the hexagon, and the hexagonal mounting hole 204 is arranged at the eccentric position of the circular transmission plate 202; the plurality of circular transmission plates 202 are arranged on the rotating shaft 201 in a staggered manner, so that the plurality of circular transmission plates 202 are distributed on the rotating shaft 201 in a wave manner; the two sides of the round transmission plates 202 are respectively provided with a connecting column 205 and a connecting hole 206, and the connecting columns 205 between two adjacent round transmission plates 202 are respectively arranged in the corresponding connecting holes 206; the peristaltic board 203 is internally provided with an accommodating hole 207, the circular transmission board 202 is arranged in the accommodating hole 207, and the aperture of the accommodating hole 207 is larger than that of the circular transmission board 202, so that the circular transmission board 202 drives the peristaltic board 203 to lift up and down in the rotating process; the peristaltic boards 203 are respectively installed in the guide grooves 104 on the two side walls of the first chamber 101 at two ends. In this embodiment, the arrangement of the guide grooves 104 improves the stability of the directional movement of the peristaltic sheet 203, and thus the stability of the operation of the peristaltic assembly 20.
Specifically, the circular driving piece includes the first circular driving piece and the second circular driving piece that link to each other, and first circular driving piece and the dislocation set of second circular driving piece, and hexagonal mounting hole 204 runs through this first circular driving piece and the second circular driving piece to all with first circular driving piece and the eccentric setting of second circular driving piece, through the setting of first circular driving piece and the second circular driving piece, improved its job stabilization nature.
In the embodiment, by installing the mounting frame 10 in the first chamber 101, the second chamber 102 and the third chamber 103 respectively, the peristaltic assembly 20, the transmission assembly 30 and the power assembly 40 can be installed in the mounting frame 10, so that the structure is reasonable and compact, and the working stability of the device is improved; meanwhile, the space utilization rate can be effectively improved.
In this embodiment, through the hexagonal mounting hole 204 and the corresponding arrangement of the rotating shaft 201 in the hexagonal cross-section shape, the idle sliding of the circular driving plate 202 can be effectively prevented in the process that the rotating shaft 201 drives the hexagon to rotate, so that the working stability of the peristaltic assembly 20 is improved;
in this embodiment, the linkage between the circular driving plates 202 is improved by the arrangement of the connecting holes 206 and the connecting posts 205, so that the stability of the operation is improved.
The peristaltic device for the infusion pump is reasonable and compact in structural arrangement, high in space utilization rate, stable in work and suitable for industrial application through the arrangement of the mounting frame 10, the peristaltic assembly 20 and the transmission assembly 30.
In one specific embodiment, the top of the peristaltic board 203 is provided with a squeezing board 208 for driving the liquid in the infusion tube to flow; the upper portion of the squeeze plate 208 is recessed from the center toward both sides. Because the upper portion of the liquid squeezing plate 208 is recessed from the center toward two sides, a certain radian is provided to form a corrugated shape among the liquid squeezing plates 208, so that the liquid squeezing operation of the liquid squeezing plate 208 is relatively smooth and smooth when the liquid squeezing operation is performed on the infusion tube.
In one embodiment, the transmission assembly 30 includes a first gear 301 coupled to the rotation shaft 201, a second gear 302 engaged with the first gear 301, a third gear 303 coupled to the second gear 302 and rotated with the second gear 302, and a fourth gear 304 engaged with the third gear 303; the fourth gear 304 is coupled to the power assembly 40. During operation, the power assembly 40 drives the rotation shaft 201 to rotate through the first gear 301, the second gear 302, the third gear 303 and the fourth gear 304; because the transmission assembly 30 is gear-driven, the rotation condition of the rotation shaft 201 can be effectively and accurately controlled.
In one embodiment, the power assembly 40 includes a servo motor 401; the servo motor 401 is connected to the fourth gear 304.
In a specific embodiment, the mounting frame 10 is provided with mounting posts 105 for connection to the outside.
According to the peristaltic device for the infusion pump, the peristaltic assembly 20, the transmission assembly 30 and the power assembly 40 can be installed in the mounting frame 10 through the first chamber 101, the second chamber 102 and the third chamber 103 of the mounting frame 10 respectively, so that the structure is reasonable and compact, and the working stability of the peristaltic device is improved; meanwhile, the space utilization rate can be effectively improved.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (5)
1. A peristaltic device for an infusion pump, characterized in that: the peristaltic device comprises
The mounting frame comprises a first chamber, a second chamber which is arranged on the side part of the first chamber and communicated with the first chamber, and a third chamber which is arranged below the first chamber and communicated with the second chamber;
a peristaltic assembly mounted within the first chamber;
the transmission assembly is arranged in the second cavity and is connected with the peristaltic assembly;
the power assembly is arranged in the third cavity and is connected with the transmission assembly;
wherein, the two side walls of the first chamber are provided with guide grooves; the peristaltic component comprises a rotating shaft, a plurality of circular transmission plates arranged on the rotating shaft side by side, and a peristaltic plate arranged on the circular transmission plates; the section of the rotating shaft is hexagonal, a hexagonal mounting hole is formed in the circular transmission plate corresponding to the hexagon, and the hexagonal mounting hole is formed in the eccentric position of the circular transmission plate; the circular transmission plates are arranged on the rotating shaft in a staggered manner, so that the circular transmission plates are distributed on the rotating shaft in a wave manner; the two sides of the round transmission plate are respectively provided with a connecting column and a connecting hole, and the connecting columns between two adjacent round transmission plates are all arranged in the corresponding connecting holes; the peristaltic board is internally provided with an accommodating hole, the circular transmission sheet is arranged in the accommodating hole, and the aperture of the accommodating hole is larger than that of the circular transmission sheet, so that the circular transmission sheet drives the peristaltic board to lift up and down in the rotating process; the two ends of the peristaltic board are respectively arranged in the guide grooves of the two side walls of the first chamber.
2. A peristaltic device for an infusion pump according to claim 1, wherein: the top of the peristaltic board is provided with a liquid squeezing board for driving liquid in the infusion tube to flow; the upper part of the liquid squeezing plate is recessed from the center towards two sides.
3. A peristaltic device for an infusion pump according to claim 1, wherein: the transmission assembly comprises a first gear connected with the rotating shaft, a second gear meshed with the first gear, a third gear connected with the second gear and rotating with the second gear, and a fourth gear meshed with the third gear; the fourth gear is connected with the power assembly.
4. A peristaltic device for an infusion pump according to claim 3, wherein: the power assembly comprises a servo motor; the servo motor is connected with the fourth gear.
5. A peristaltic device for an infusion pump according to claim 1, wherein: and the mounting frame is provided with a mounting column connected with the outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321745477.3U CN220302310U (en) | 2023-07-04 | 2023-07-04 | Peristaltic device for infusion pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321745477.3U CN220302310U (en) | 2023-07-04 | 2023-07-04 | Peristaltic device for infusion pump |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220302310U true CN220302310U (en) | 2024-01-05 |
Family
ID=89345210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321745477.3U Active CN220302310U (en) | 2023-07-04 | 2023-07-04 | Peristaltic device for infusion pump |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220302310U (en) |
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2023
- 2023-07-04 CN CN202321745477.3U patent/CN220302310U/en active Active
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