CN212662387U - Micro-injection pump - Google Patents
Micro-injection pump Download PDFInfo
- Publication number
- CN212662387U CN212662387U CN202020333854.2U CN202020333854U CN212662387U CN 212662387 U CN212662387 U CN 212662387U CN 202020333854 U CN202020333854 U CN 202020333854U CN 212662387 U CN212662387 U CN 212662387U
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- China
- Prior art keywords
- injection pump
- pump body
- support
- bracket
- micro
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- Expired - Fee Related
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Abstract
The utility model relates to a micro-injection pump, which comprises a bracket, an injection pump body arranged on the bracket, a connecting flange arranged on the bracket and used for being connected with the injection pump body, an input pipeline arranged on the injection pump body, an electric push rod arranged on the bracket and driving a valve core of the injection pump body to push liquid, an output head arranged on the injection pump body, a connecting frame arranged on the valve core of the injection pump body and a guide polished rod arranged on the bracket; the connecting frame moves along the guide polished rod under the driving of the electric push rod; the utility model relates to a rationally, compact structure and convenient to use.
Description
Technical Field
The utility model relates to a micro-injection pump.
Background
The micro-injection pump (micro pump for short) is a new type of pump force instrument, and can accurately, micro-uniformly and continuously output a small quantity of fluid. Consists of a controller, an actuating mechanism and an injector.
The micro-injection pump accurately, micro, uniformly and continuously pumps a small amount of liquid medicine into the body, is convenient to operate, timed and quantitative, can adjust the concentration and the speed of the medicine at any time according to the needs of the state of an illness, enables the medicine to keep effective blood concentration in the body, utilizes the micro-injection pump to rescue critical patients, can reduce the workload of nurses, improves the working efficiency, and accurately, safely and effectively cooperates with doctors to rescue. CN201621178659.7 an Internet of things wireless control micro pump; CN201821201008.4 a pre-filled micro-pump syringe assembly, although providing two different intelligent syringe pumps, it does not allow intuitive and accurate measurement feedback.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a micro-injection pump is provided on the whole.
In order to solve the above problems, the utility model adopts the following technical proposal:
the micro-injection pump comprises a support, an injection pump body arranged on the support, a connecting flange arranged on the support and used for being connected with the injection pump body, an input pipeline arranged on the injection pump body, an electric push rod arranged on the support and driving a valve core of the injection pump body to push liquid, an output head arranged on the injection pump body, a connecting frame arranged on the valve core of the injection pump body and a guide optical lever arranged on the support, wherein the injection pump body is used for realizing liquid medicine input;
under the drive of the electric push rod, the connecting frame moves along the guide polished rod, so that the motion stability is ensured;
one of the innovative points of the utility model is that a differential cylinder parallel to the guide light bar is arranged on the bracket, the connecting frame is connected with a primary input rod of the differential cylinder, a differential piston is arranged in the differential cylinder, and the diameter of the primary input rod is larger than that of the secondary piston rod; a stroke pointer is arranged on the secondary piston rod; the utility model discloses a volume constant becomes length with the area to the realization is to the enlargeing of pump body stroke, thereby realizes the accurate measurement with pump body propelling movement scale, compares in the tradition on the pump body or through the push rod measurement, and its visual measurement accuracy is high.
The scale corresponding to the stroke pointer is arranged on the support to realize visual observation, and the technologies such as optical grating and the like can also be adopted.
The reverse spring sleeved on the guide light bar is connected between the connecting frame and the support, the balance of motion inertia of pushing is achieved through traction, and pushing errors are reduced.
The two-stage piston rod is provided with a rack, the bracket is provided with a bearing seat, the bearing seat is provided with a gear shaft meshed with the rack, and one side of the bearing seat is provided with an angle sensor for sensing the rotation deflection angle of the gear shaft and a counter for recording the number of rotation turns of the gear shaft. The Hall sensor and the counter are adopted, and the measurement and control of the advancing distance are realized by measuring the forwarding and deflection angles. The counter and the angle sensor convert the injection amount into electronic data, and the electronic data is transmitted to the processor in a wireless or wired mode and reported to the upper computer.
The utility model discloses the precision is high, enlargies the area of propelling movement into the distance to reduced measuring order of magnitude, realized accurate control, reasonable in design, low cost, durable, safe and reliable, easy operation, labour saving and time saving, saving fund, compact structure and convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the structure of the injection pump body of the present invention.
Wherein: 1. a support; 2. an injection pump body; 3. a connecting flange; 4. an input pipeline; 5. an electric push rod; 6. an output head; 7. a connecting frame; 8. a guide polished rod; 9. a reverse spring; 10. a differential cylinder; 11. a secondary piston rod; 12. a rack; 13. a trip pointer; 14. a scale; 15. a bearing seat; 16. a gear shaft; 17. an angle sensor.
Detailed Description
As shown in fig. 1-2, the micro-syringe pump of the present embodiment includes a support 1, a syringe pump body 2 disposed on the support 1 realizes liquid medicine input, a connecting flange 3 disposed on the support 1 and used for connecting with the syringe pump body 2 realizes detachable fixed connection, an input pipeline 4 disposed on the syringe pump body 2 realizes liquid medicine input, an electric push rod 5 disposed on the support 1 and driving a valve core of the syringe pump body 2 to push liquid realizes linear pushing, an output head 6 disposed on the syringe pump body 2 realizes liquid medicine output, a connecting frame 7 disposed on the valve core of the syringe pump body 2 realizes connection, and a guiding optical rod 8 disposed on the support 1 realizes guiding;
under the drive of the electric push rod 5, the connecting frame 7 moves along the guide light bar 8, so that the motion stability is ensured;
one of the innovative points of the present invention is that a differential cylinder 10 parallel to the guiding light bar 8 is disposed on the bracket 1, the connecting frame 7 is connected to a primary input rod of the differential cylinder 10, a differential piston is disposed in the differential cylinder 10, and the diameter of the primary input rod is larger than that of the secondary piston rod 11; a stroke pointer 13 is arranged on the secondary piston rod 11; the utility model discloses a volume constant becomes length with the area to the realization is to the enlargeing of pump body stroke, thereby realizes the accurate measurement with pump body propelling movement scale, compares in the tradition on the pump body or through the push rod measurement, and its visual measurement accuracy is high.
The scale 14 corresponding to the stroke pointer 13 is arranged on the support 1 to realize visual observation, and the technologies such as optical grating and the like can also be adopted.
A reverse spring 9 sleeved on the guide light bar 8 is connected between the connecting frame 7 and the support 1, balance of motion inertia of pushing is achieved through traction, and pushing errors are reduced.
A rack 12 is provided on the secondary piston rod 11, a bearing housing 15 is provided on the bracket 1, a gear shaft 16 meshed with the rack 12 is provided on the bearing housing 15, and an angle sensor 17 for sensing a rotational deflection angle of the gear shaft 16 and a counter for recording the number of revolutions of the gear shaft 16 are provided on one side of the bearing housing 15. The Hall sensor and the counter are adopted, and the measurement and control of the advancing distance are realized by measuring the forwarding and deflection angles.
Use the utility model discloses the time, the support is for supporting fixed injection pump body 2 and connect through flange 3, realize the input pipeline 4 of liquid medicine input, realize pump body motion through the 5 reciprocal tractive of electric push rod straight line, realize the pump sending liquid medicine, output 6 output liquid medicine, the case of the 5 drive injection pump bodies of electric push rod moves ahead in pump body inner chamber, link 7 follow-up moves along direction polished rod 8, reverse spring 9 realizes buffering and elimination clearance, move at differential cylinder 10 through one-level input rod (main-end piston rod), utilize the volume difference, realize 11 long distance outputs of second grade piston rod, through stroke pointer 13, scale 14 realizes the high accuracy and measures, it is rotatory at the gear shaft 16 on bearing frame 15 through the rack 12 drive, utilize angle sensor 17 and counter realization to trun into the signal of telecommunication, realize intelligent control. The angle sensor 17 and the counter are connected with a processor in a wired or wireless mode, the processor is located in a ward or a nurse station, an upper computer of the department is installed in a department, the processor records the data of the injection amount, reports the upper computer and stores the data in an electronic medical record of a patient. The management is convenient and intelligent. By being installed at a nurse station, the system provides technical support for unmanned automation.
The present invention has been fully described for a clear disclosure, and is not further described in detail in the prior art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious to those skilled in the art that a plurality of embodiments of the present invention may be combined. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (3)
1. A micro-syringe pump, characterized by: the injection pump comprises a support (1), an injection pump body (2) arranged on the support (1), a connecting flange (3) arranged on the support (1) and used for being connected with the injection pump body (2), an input pipeline (4) arranged on the injection pump body (2), an electric push rod (5) arranged on the support (1) and used for driving a valve core of the injection pump body (2) to push liquid, an output head (6) arranged on the injection pump body (2), a connecting frame (7) arranged on the valve core of the injection pump body (2) and a guide light bar (8) arranged on the support (1);
the connecting frame (7) moves along the guide polished rod (8) under the drive of the electric push rod (5);
a differential cylinder (10) parallel to the guide light bar (8) is arranged on the support (1), the connecting frame (7) is connected with a primary input rod of the differential cylinder (10), a differential piston is arranged in the differential cylinder (10), and the diameter of the primary input rod is larger than that of the secondary piston rod (11); a stroke pointer (13) is arranged on the secondary piston rod (11);
the scale (14) corresponding to the stroke pointer (13) is arranged on the bracket (1).
2. The micro-syringe pump according to claim 1, wherein a reverse spring (9) fitted around the guide lever (8) is connected between the connecting bracket (7) and the support bracket (1).
3. The micro-injection pump according to claim 1, wherein a rack (12) is provided on the secondary piston rod (11), a bearing seat (15) is provided on the bracket (1), a gear shaft (16) engaged with the rack (12) is provided on the bearing seat (15), an angle sensor (17) for sensing a rotational deflection angle of the gear shaft (16) and a counter for recording the number of revolutions of the gear shaft (16) are provided on one side of the bearing seat (15);
the counter and the angle sensor (17) convert the injection amount into electronic data, and the electronic data is transmitted to the processor in a wireless or wired mode and reported to the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020333854.2U CN212662387U (en) | 2020-03-17 | 2020-03-17 | Micro-injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020333854.2U CN212662387U (en) | 2020-03-17 | 2020-03-17 | Micro-injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212662387U true CN212662387U (en) | 2021-03-09 |
Family
ID=74811309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020333854.2U Expired - Fee Related CN212662387U (en) | 2020-03-17 | 2020-03-17 | Micro-injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212662387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113304356A (en) * | 2021-06-04 | 2021-08-27 | 深圳市第二人民医院(深圳市转化医学研究院) | Fixed-point puncture dosing device and dosing method for stem cell exosome preparation |
-
2020
- 2020-03-17 CN CN202020333854.2U patent/CN212662387U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113304356A (en) * | 2021-06-04 | 2021-08-27 | 深圳市第二人民医院(深圳市转化医学研究院) | Fixed-point puncture dosing device and dosing method for stem cell exosome preparation |
| CN113304356B (en) * | 2021-06-04 | 2022-01-18 | 深圳市第二人民医院(深圳市转化医学研究院) | Fixed-point puncture drug delivery device for stem cell exosomes and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |