CN215231046U - Transfer pump drive mechanism - Google Patents
Transfer pump drive mechanism Download PDFInfo
- Publication number
- CN215231046U CN215231046U CN202121274410.7U CN202121274410U CN215231046U CN 215231046 U CN215231046 U CN 215231046U CN 202121274410 U CN202121274410 U CN 202121274410U CN 215231046 U CN215231046 U CN 215231046U
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- CN
- China
- Prior art keywords
- extrusion
- infusion pump
- eccentric wheel
- drive mechanism
- pump drive
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 238000001125 extrusion Methods 0.000 claims abstract description 59
- 238000001802 infusion Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 239000003416 antiarrhythmic agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an infusion pump transmission mechanism, including support, rotation fix pivot on the support, fix at the follower at pivot middle part, the actuating mechanism who is connected with the follower to and fix the extrusion mechanism in the follower both sides, the transfer line passes from the extrusion mechanism bottom, be provided with spacing groove subassembly in the support, extrusion mechanism sets up in spacing groove subassembly, and the extrusion mechanism of both sides is wave reciprocating action on the transfer line. Through setting up the follower in the pivot middle part, two sets of eccentric wheel subassemblies and extrusion piece subassembly symmetry set up in the follower both sides, guarantee that follower both sides atress is more stable, and whole radial run-out is few, and the structure is comparatively stable, guarantees to carry the effect when avoiding the device to damage.
Description
Technical Field
The utility model relates to an transfer pump technical field, more specifically say, relate to an transfer pump drive mechanism.
Background
Infusion pumps are typically mechanical or electronic control devices that act on the infusion tubing for the purpose of controlling the rate of infusion. Is often used in situations where strict control of the amount of infusion and drug is required, such as in applications of boosting drugs, antiarrhythmic drugs, intravenous infusion or intravenous anesthesia for infants.
The infusion pump transmission mechanism is used for transmitting and conveying liquid medicine in an infusion tube, the existing transmission mechanism is complex, the difficulty in adjusting the conveying speed is high, and the infusion tube is easily damaged in the extrusion process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an transfer pump drive mechanism for carry the liquid in the transfer line, can not cause the damage to the transfer line, be used for solving the technical problem who exists among the above-mentioned background art.
The utility model provides a transfer pump drive mechanism, including support, rotation fix pivot on the support, fix follower at the pivot middle part, the actuating mechanism who is connected with the follower to and fix the extrusion mechanism in the follower both sides, the transfer line passes from the extrusion mechanism bottom, be provided with spacing groove subassembly in the support, extrusion mechanism sets up in spacing groove subassembly, and the extrusion mechanism of both sides is wave reciprocating action on the transfer line.
In a preferred embodiment, the extrusion mechanism comprises two groups of eccentric wheel assemblies fixedly sleeved on the rotating shaft and positioned on two sides of the rotating shaft and two groups of extrusion sheet assemblies arranged corresponding to the two groups of eccentric wheel assemblies, the extrusion sheet assemblies are extruded when the eccentric wheel assemblies rotate, and the infusion tube is positioned at the bottom of the extrusion sheet assemblies.
In a preferred embodiment, the eccentric wheel assembly comprises a plurality of eccentric wheels with opposite axes, and the eccentric wheels are the same in size if the positions of the centers of the eccentric wheels are different.
In a preferred embodiment, the extrusion sheet assembly comprises a plurality of extrusion sheets corresponding to the eccentric wheels one by one, the middle of each extrusion sheet is provided with a slot for the eccentric wheels to pass through, the bottom of each extrusion sheet is arc-shaped, and the extrusion sheets are slidably arranged in the limiting slots.
In a preferred embodiment, the limiting groove assembly comprises a plurality of groups of clamping grooves arranged in the support, each group of clamping grooves is provided with two opposite notches, and the pressurizing sheets are arranged in the clamping grooves.
In a preferred embodiment, the driving mechanism comprises a mounting seat fixed with the support, a servo motor fixed on the mounting seat, a driving gear fixed with an output shaft of the servo motor and an intermediate gear, and the driven member comprises a driven gear, and the intermediate gear is arranged between the driving gear and the driven gear.
In a preferred embodiment, the holder is fixed inside the infusion pump
The utility model discloses technical scheme's beneficial effect is:
1. through setting up the follower in the pivot middle part, two sets of eccentric wheel subassemblies and extrusion piece subassembly symmetry set up in the follower both sides, guarantee that follower both sides atress is more stable, and whole radial run-out is few, and the structure is comparatively stable, guarantees to carry the effect when avoiding the device to damage.
2. The extrusion piece can slide up and down in the clamping groove, and the extrusion piece is jacked up or pressed down when the eccentric wheel rotates, so that the bottom of the extrusion piece is far away from or extruded onto the infusion tube. The bottom of the extrusion piece is arc-shaped, so that the transfusion tube is prevented from being damaged.
Drawings
FIG. 1 is a fixed view of the infusion pump of the present invention,
figure 2 is a schematic view of the overall structure of the utility model,
FIG. 3 is a schematic view of the structure of the extruding mechanism of the present invention,
fig. 4 is an exploded view of the structure of the present invention.
Description of reference numerals: the device comprises a support 1, a rotating shaft 2, a driving mechanism 3, a 31 mounting seat, a 32 servo motor, a 33 driving gear, a 34 intermediate gear, a 4 driven gear, a 5 eccentric wheel assembly, a 51 eccentric wheel, a 6 extrusion sheet assembly, a 61 extrusion sheet, a 62 slot, a 7 limit slot assembly and a 71 slot.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Referring to fig. 1-4, the utility model discloses technical scheme an infusion pump drive mechanism, including support 1, rotate pivot 2 of fixing on support 1, fix at 2 middle parts of pivot follower, the actuating mechanism 3 of being connected with the follower to and fix the extrusion mechanism in follower both sides, the transfer line passes from the extrusion mechanism bottom, be provided with spacing groove subassembly 7 in the support 1, extrusion mechanism sets up in spacing groove subassembly 7, and the extrusion mechanism of both sides is the wave reciprocating action on the transfer line.
The support 1 is fixed in the infusion pump, the infusion tube passes through the injection pump, the driving piece drives the driven piece to rotate, then the driven piece drives the rotating shaft 2 to rotate, and the extrusion mechanism fixed on the rotating shaft 2 extrudes the infusion tube to enable the liquid medicine in the infusion tube to be conveyed forwards.
The extrusion mechanism comprises two groups of eccentric wheel assemblies 5 which are fixedly sleeved on the rotating shaft 2 and positioned on two sides of the rotating shaft 2 and two groups of extrusion sheet assemblies 6 which are arranged corresponding to the two groups of eccentric wheel assemblies 5, the extrusion sheet assemblies 6 are extruded when the eccentric wheel assemblies 5 rotate, and the infusion tube is positioned at the bottoms of the extrusion sheet assemblies 6. The eccentric wheel assembly 5 comprises a plurality of eccentric wheels 51 with opposite axes, and if the positions of the centers of the eccentric wheels 51 are different, the eccentric wheels 51 have the same size.
The eccentric wheels 51 are fixedly connected, and the fixed eccentric wheels 51 are in an undulating state integrally, so that the distance from the bottom of each eccentric wheel 51 to the extrusion sheet 61 is different, the extrusion depth of each eccentric wheel 51 to the extrusion sheet assembly 6 is different, and the wave-shaped motion of the extrusion sheet assembly 6 extrudes the infusion tube, so that the liquid in the infusion tube is conveyed.
Through setting up the follower in 2 middle parts of pivot, two sets of eccentric wheel subassemblies 5 and the symmetrical setting in follower both sides of extrusion piece subassembly 6 guarantee that follower both sides atress is more stable, and whole radial run-out is few, and the structure is comparatively stable, guarantees to carry the effect when avoiding the device to damage.
The extrusion piece assembly 6 comprises a plurality of extrusion pieces 61 which correspond to the eccentric wheels 51 one by one, the middle parts of the extrusion pieces 61 are provided with slots 62 for the eccentric wheels 51 to pass through, the bottoms of the extrusion pieces 61 are arc-shaped, and the extrusion pieces 61 are arranged in the limiting grooves in a sliding mode. The limiting groove assembly 7 comprises a plurality of groups of clamping grooves 71 arranged in the support 1, each group of clamping grooves 71 are provided with two opposite notches, and the pressurizing sheets are arranged in the clamping grooves 71.
The squeezing sheet 61 can slide up and down in the slot 71, and when the eccentric wheel 51 rotates, the squeezing sheet 61 is jacked up or pressed down, so that the bottom of the squeezing sheet 61 is far away from or squeezed onto the infusion tube. The bottom of the extrusion sheet 61 is arc-shaped, so that the transfusion tube is prevented from being damaged.
The driving mechanism 3 comprises a mounting seat 31 fixed with the support 1, a servo motor 32 fixed on the mounting seat 31, a driving gear 33 fixed with an output shaft of the servo motor 32 and an intermediate gear 34, the driven member comprises a driven gear 4, and the intermediate gear 34 is arranged between the driving gear 33 and the driven gear 4. The intermediate gear 34 transmits the rotation to the driven gear 4, and the driven gear 4 rotates the rotary shaft 2 together with the driven wheel assembly fixed to the rotary shaft 2.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.
Claims (7)
1. An infusion pump transmission mechanism is characterized in that: the infusion tube is passed through the bottom of the extrusion mechanism, a limit groove component is arranged in the support, the extrusion mechanism is arranged in the limit groove component, and the extrusion mechanisms on two sides act on the infusion tube in a wave-shaped reciprocating manner.
2. An infusion pump drive mechanism according to claim 1, wherein: the extrusion mechanism comprises two groups of eccentric wheel assemblies which are fixedly sleeved on the rotating shaft and located on two sides of the rotating shaft and two groups of extrusion sheet assemblies which are arranged corresponding to the two groups of eccentric wheel assemblies, the extrusion sheet assemblies are extruded when the eccentric wheel assemblies rotate, and the infusion tube is located at the bottoms of the extrusion sheet assemblies.
3. An infusion pump drive mechanism according to claim 2, wherein: the eccentric wheel assembly comprises a plurality of eccentric wheels with opposite axes, and if the positions of the centers of the eccentric wheels are different, the eccentric wheels are the same in size.
4. An infusion pump drive mechanism according to claim 3, wherein: the extrusion piece subassembly includes the extrusion piece of a plurality of and eccentric wheel one-to-one, the extrusion piece middle part is equipped with the slot that is used for the eccentric wheel to pass, the extrusion piece bottom sets up to the arc, the extrusion piece slides and sets up in the spacing inslot.
5. An infusion pump drive mechanism according to claim 4, wherein: the limiting groove assembly comprises a plurality of groups of clamping grooves arranged in the support, each group of clamping grooves are formed in a mode that notches are opposite, and the extrusion pieces are arranged in the clamping grooves.
6. An infusion pump drive mechanism according to claim 1, wherein: the driving mechanism comprises a mounting seat fixed with the support, a servo motor fixed on the mounting seat, a driving gear fixed with an output shaft of the servo motor and an intermediate gear, the driven member comprises a driven gear, and the intermediate gear is arranged between the driving gear and the driven gear.
7. An infusion pump drive mechanism according to claim 1, wherein: the support is fixed inside the infusion pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121274410.7U CN215231046U (en) | 2021-06-08 | 2021-06-08 | Transfer pump drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121274410.7U CN215231046U (en) | 2021-06-08 | 2021-06-08 | Transfer pump drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215231046U true CN215231046U (en) | 2021-12-21 |
Family
ID=79477712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121274410.7U Expired - Fee Related CN215231046U (en) | 2021-06-08 | 2021-06-08 | Transfer pump drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215231046U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116585561A (en) * | 2023-05-09 | 2023-08-15 | 上海玮启医疗器械有限公司 | Peristaltic module |
| CN117122771A (en) * | 2023-10-27 | 2023-11-28 | 中国人民解放军总医院第四医学中心 | Flow-control type infusion assembly |
-
2021
- 2021-06-08 CN CN202121274410.7U patent/CN215231046U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116585561A (en) * | 2023-05-09 | 2023-08-15 | 上海玮启医疗器械有限公司 | Peristaltic module |
| CN116585561B (en) * | 2023-05-09 | 2024-02-23 | 上海玮启医疗器械有限公司 | Peristaltic module |
| CN117122771A (en) * | 2023-10-27 | 2023-11-28 | 中国人民解放军总医院第四医学中心 | Flow-control type infusion assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Transmission mechanism of infusion pump Effective date of registration: 20220530 Granted publication date: 20211221 Pledgee: Bozhou Jindi financing Company limited by guarantee Pledgor: Bozhou Lianqi Medical Technology Co.,Ltd. Registration number: Y2022980006765 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |