CN218220738U

CN218220738U - Automatic adjust high accuracy control transfer pump

Info

Publication number: CN218220738U
Application number: CN202221466207.4U
Authority: CN
Inventors: 张智抗; 俞欣
Original assignee: Shanghai Zhenghao Electronic Instrument Co ltd
Current assignee: Shanghai Zhenghao Electronic Instrument Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2023-01-06
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to the technical field of medical equipment, and an automatically regulated high accuracy control transfer pump is disclosed, the outside of pivot is provided with the cam, the right-hand member of cam is provided with the extrusion device, there are ultrasonic wave bubble sensor and pressure sensor in the inside of standing groove fixed mounting respectively, the inner chamber right side of device body is provided with the controller respectively, power and alarm, drive the extrusion device through step motor and carry out regular extrusion to the infusion hose, control infusion total amount and infusion speed, and utilize ultrasonic wave bubble sensor, pressure sensor, infrared drop number sensor and alarm detect, and report to the police to the abnormal conditions in real time, avoided controlling infusion speed owing to need rely on nursing staff's naked eye observation and manual regulating wheel clamp when the infusion, make not only increased medical personnel's burden, and easy because of the patient too much produces the error, thereby influence the problem of patient's treatment.

Description

Automatic adjust high accuracy control transfer pump

Technical Field

The utility model relates to the technical field of medical equipment, specifically an automatically regulated high accuracy control transfer pump.

Background

The infusion pump is a control device which controls the infusion speed by acting on an infusion catheter, is widely applied to the injection of boosting drugs and antiarrhythmic drugs, and the intravenous infusion or intravenous anesthesia of infants, and needs to use a special infusion pump in order to strictly control the infusion amount and dosage during the infusion.

The existing infusion apparatus mainly inputs liquid to a receptor by depending on liquid level difference pressure, and the requirements on the infusion speed are different due to the difference of the property of the medicine and the physique of a patient, so that the infusion speed is controlled by depending on visual observation of nursing staff and manually adjusting a wheel clamp, the burden of the medical staff is increased, errors are easily caused by too many patients, the treatment effect of the patients is influenced, the potential safety hazard during nursing is caused, and the automatic adjustment high-precision control infusion pump is provided.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides an automatically regulated high accuracy control transfer pump to solve the problem that exists among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an automatically-adjusted high-precision control infusion pump comprises a device body, a guide groove and a hose groove, wherein a stepping motor is fixedly mounted at the top of the left side of an inner cavity of the device body, a rotating shaft is fixedly connected to the tail end of a rotor of the stepping motor, one end, away from the stepping motor, of the rotating shaft is rotatably connected with the wall of the inner cavity of the device body through a bearing, a cam is arranged outside the rotating shaft, an extrusion device is arranged at the right end of the cam, placing grooves are formed in the inner walls of the upper side and the lower side of the hose groove, an ultrasonic bubble sensor and a pressure sensor are respectively and fixedly mounted in the placing grooves, an infrared drop number sensor is fixedly mounted at the upper part of the right side of the device body, and a controller, a power supply and an alarm are respectively arranged at the right side of the inner cavity of the device body;

the extrusion device comprises a connecting block, a groove is formed in the left end of the connecting block, a pulley is additionally arranged inside the groove, a right-hand-end fixedly connected with guide post and a guide post of the connecting block are arranged inside a guide groove, a right-hand-end fixedly connected with pressing block of the guide post, a reset spring and a reset spring sleeve are additionally arranged inside the guide groove and outside the guide post, one end of the reset spring is fixedly connected with the connecting block, the other end of the reset spring is fixedly connected with the inside of the guide groove, and a notch is formed in the pressing block corresponding to the inner wall of the hose groove.

Preferably, a display and control buttons are provided on the exterior of the device body.

Preferably, the upper part, the middle part and the lower part of the hose groove are all hinged with a hose groove cover plate, and a handle is additionally arranged at the top of the hose groove cover plate.

Preferably, the through-hole has been seted up to the cam, the cam is the equidistance setting and the cam cover is established and fixed mounting is in the outside of pivot, be crisscross setting between the cam.

Preferably, the distance between one end of the cam, which is far away from the rotating shaft, and the axis of the rotating shaft is slightly greater than the horizontal distance between the axis of the rotating shaft and the pulley, the pulley is rotatably connected with the inner wall of the groove through a rotating rod, and the number of the extrusion devices corresponds to the number of the cams.

Preferably, the ultrasonic bubble sensor, the pressure sensor, the infrared drop number sensor, the controller, the alarm and the display are all electrically connected with the power supply.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatically regulated high accuracy control transfer pump possesses following beneficial effect:

this automatically regulated high accuracy control transfer pump, rotor through step motor rotates and drives the pivot and rotate and make the cam rotate, the crisscross cam that sets up can be regular extrudees extrusion device, when the cam contacts with the pulley, drive pulley pivoted while and extrude the pulley because the continuation of cam rotates, drive the guide post and remove in the guide way and extrude reset spring, make the briquetting stretch out the guide way and extrude the hose to the hose inslot, when the cam changes from the pulley, reset spring resets the briquetting under the elastic action, can control infusion total amount and infusion speed effectively, ultrasonic wave bubble sensor, pressure sensor, infrared drop number sensor and alarm can be to infusion speed and flow, block up pressure, weeping and bubble detect, and report to the police to the abnormal conditions in real time, avoided when infusing because need rely on nursing staff's naked eye observation and manual regulating wheel clamp to control infusion speed, make not only increased medical personnel's burden, and easily because of patient too much produces the error, thereby influence patient's treatment, lead to the problem of potential safety hazard appears in the nursing.

Drawings

FIG. 1 is a schematic longitudinal sectional view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the cam and the extruding device of the present invention;

in the figure: 1. a device body; 2. a guide groove; 3. a hose groove; 4. a stepping motor; 5. a rotating shaft; 6. a bearing; 7. a cam; 8. an ultrasonic bubble sensor; 9. a pressure sensor; 10. an infrared drop number sensor; 11. a controller; 12. a power source; 13. an alarm; 14. connecting blocks; 15. a groove; 16. a pulley; 17. a guide post; 18. briquetting; 19. a return spring; 20. a display; 21. a control button; 22. a hose groove cover plate; 23. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1 and 3, the utility model provides a technical scheme, an automatic adjustment high precision control infusion pump, comprising a device body 1, a guide groove 2 and a hose groove 3, a stepping motor 4 is fixedly installed on the top of the left side of the inner cavity of the device body 1, a rotating shaft 5 is fixedly connected with the end of the rotor of the stepping motor 4, one end of the rotating shaft 5 far away from the stepping motor 4 is rotatably connected with the inner cavity wall of the device body 1 through a bearing 6, a cam 7 is arranged outside the rotating shaft 5, a through hole is arranged on the cam 7, the cam 7 is equidistantly arranged and sleeved and fixedly installed outside the rotating shaft 5, the cams 7 are staggered, an extrusion device is arranged at the right end of the cam 7, the extrusion device comprises a connecting block 14, a groove 15 is arranged at the left end of the connecting block 14, a pulley 16 is additionally arranged inside the groove 15, the distance between one end of the cam 7 far away from the rotating shaft 5 and the axis of the rotating shaft 5 is slightly larger than the horizontal distance between the axis of the rotating shaft 5 and the pulley 16, the pulley 16 is rotatably connected with the inner wall of the groove 15 through a rotating rod, the number of the extrusion devices corresponds to the number of the cams 7, the right end of the connecting block 14 is fixedly connected with a guide post 17, the guide post 17 is arranged inside the guide groove 2, the right end of the guide post 17 is fixedly connected with a pressing block 18, a return spring 19 is additionally arranged inside the guide groove 2, the return spring 19 is sleeved outside the guide post 17, one end of the return spring 19 is fixedly connected with the connecting block 14, the other end of the return spring 19 is fixedly connected with the inner wall of the guide groove 2, the inner wall of the hose groove 3 is provided with a notch corresponding to the pressing block 18, the inner walls of the upper side and the lower side of the hose groove 3 are provided with placing grooves, the inner parts of the placing grooves are respectively and fixedly provided with an ultrasonic bubble sensor 8 and a pressure sensor 9, the upper part of the right side of the device body 1 is fixedly provided with an infrared drop number sensor 10, the inner chamber right side of device body 1 is provided with controller 11 respectively, power 12 and alarm 13, ultrasonic wave bubble sensor 8, pressure sensor 9, infrared drop number sensor 10, controller 11, alarm 13 and display 20 all link to each other with power 12 electrical property, rotor through step motor 4 rotates and drives pivot 5 and rotate and make cam 7 rotate, crisscross cam 7 that sets up can be regular extrudees the extrusion device, when cam 7 contacts with pulley 16, drive pulley 16 pivoted and extrude pulley 16 simultaneously because of the continuation of rotation of cam 7, drive guide post 17 and remove and extrude reset spring 19 in the guide way 2, make briquetting 18 stretch out guide way 2 to hose groove 3 come to extrude the hose, when cam 7 changes from pulley 16, reset spring 19 resets briquetting 18 under the elasticity effect, can control infusion total amount and infusion speed effectively, ultrasonic wave bubble sensor 8, pressure sensor 9, infrared drop number sensor 10 and alarm 13 can be to infusion speed and flow, jam pressure, the detection is gone on leakage of liquid and bubble, and the bubble is carried out the real-time to the unusual circumstances and is carried out the briquetting 18 under the elasticity, thereby the problem of the influence of the patient's control of infusion speed and the easy regulation of infusion because of the infusion that the eye, thereby the problem of the patient's attention to the infusion has been avoided the easy emergence of the problem of the observation of the eye-controlled and the problem of the nursing staff's influence of the problem of the eye, thereby the problem of the patient's control of the infusion has been caused the infusion to the infusion, thereby the eye.

Referring to fig. 2, a display 20 and a control button 21 are disposed outside the device body 1, a hose trough cover plate 22 is hinged to the upper portion, the middle portion and the lower portion of the hose trough 3, and a handle 23 is additionally disposed on the top of the hose trough cover plate 22 to facilitate fixing of the infusion hose and prevent the infusion hose from separating from the hose trough 3.

The working principle of the device is as follows: the infusion hose is placed in the hose groove 3 and fixed by the aid of the hose groove cover plate 22, the infusion hose is prevented from being separated from the hose groove 3, the stepping motor 4 is arranged, the stepping motor 4 is started by the control button 21, the rotor of the stepping motor 4 rotates to drive the rotating shaft 5 to rotate to enable the cam 7 to rotate, the cams 7 which are arranged in a staggered mode can regularly extrude the extruding device, when the cam 7 is in contact with the pulley 16, the pulley 16 rotates under the driving of the continuous rotation of the cam 7 and extrudes the pulley 16, the guide post 17 is driven to move in the guide groove 2 and extrude the reset spring 19, the pressing block 18 extends out of the guide groove 2 to the hose groove 3 to extrude the hose, when the cam 7 rotates away from the pulley 16, the reset spring 19 resets the pressing block 18 under the elastic action, total infusion amount and infusion speed can be effectively controlled, the ultrasonic bubble sensor 8, the pressure sensor 9, the infrared drop number sensor 10 and the alarm 13 can detect infusion speed and flow, blocking pressure, leakage and bubble, real-time alarm can give an alarm for timely handling abnormal conditions, the problem that a patient needs to observe and easily controls the speed and easily comes, and the potential safety of nursing staff is avoided, and the problem of patients caused by visual observation and the manual nursing staff is easily caused by the manual adjustment.

It is noted that, in the text, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatically regulated high accuracy control transfer pump, includes device body (1), guide way (2) and hose groove (3), its characterized in that: the device comprises a device body (1) and is characterized in that a stepping motor (4) is fixedly mounted at the top of the left side of an inner cavity of the device body (1), a rotating shaft (5) is fixedly connected to the tail end of a rotor of the stepping motor (4), one end, far away from the stepping motor (4), of the rotating shaft (5) is rotatably connected with the wall of the inner cavity of the device body (1) through a bearing (6), a cam (7) is arranged outside the rotating shaft (5), an extrusion device is arranged at the right end of the cam (7), placing grooves are formed in the inner walls of the upper side and the lower side of a hose groove (3), an ultrasonic bubble sensor (8) and a pressure sensor (9) are fixedly mounted in the placing grooves respectively, an infrared drop number sensor (10) is fixedly mounted at the upper part of the right side of the device body (1), and a controller (11), a power supply (12) and an alarm (13) are arranged on the right side of the inner cavity of the device body (1);

the extruding device comprises a connecting block (14), a groove (15) is formed in the left end of the connecting block (14), a pulley (16) is arranged in the groove (15), a guide column (17) and a guide column (17) are fixedly connected to the right end of the connecting block (14), a pressing block (18) is fixedly connected to the right end of the guide column (17), a reset spring (19) and a reset spring (19) are arranged in the guide groove (2), the reset spring (19) is sleeved outside the guide column (17), one end of the reset spring (19) is fixedly connected with the connecting block (14), the other end of the reset spring (19) is fixedly connected with the inner wall of the guide groove (2), and a notch is formed in the inner wall of a hose groove (3) corresponding to the pressing block (18).

2. The self-regulating high-precision controlled infusion pump according to claim 1, wherein: the device body (1) is externally provided with a display (20) and a control button (21).

3. The self-regulating high-precision controlled infusion pump according to claim 1, wherein: the upper part, the middle part and the lower part of the hose groove (3) are all hinged with a hose groove cover plate (22) and a handle (23) is additionally arranged at the top of the hose groove cover plate (22).

4. The self-regulating high-precision controlled infusion pump according to claim 1, wherein: the through-hole has been seted up in cam (7), cam (7) are the equidistance setting and cam (7) cover is established and fixed mounting is in the outside of pivot (5), be crisscross setting between cam (7).

5. The self-regulating high-precision controlled infusion pump according to claim 1, wherein: the distance between one end that pivot (5) were kept away from in cam (7) and pivot (5) axle center slightly is greater than the horizontal distance between pivot (5) axle center and pulley (16), pulley (16) are connected through the inner wall rotation of bull stick with recess (15), extrusion device's quantity is corresponding with the quantity of cam (7).

6. The self-regulating high-precision controlled infusion pump according to claim 1, wherein: ultrasonic wave bubble sensor (8), pressure sensor (9), infrared drop number sensor (10), controller (11), alarm (13) and display (20) all link to each other with power (12) electrical property.