CN218900199U

CN218900199U - Liquid pumping mechanism for syringe medicine

Info

Publication number: CN218900199U
Application number: CN202222348620.7U
Authority: CN
Inventors: 李艳伟
Original assignee: Yantai Kaibo Automation Technologies Co ltd
Current assignee: Yantai Kaibo Automation Technologies Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-04-25
Anticipated expiration: 2032-09-05

Abstract

The utility model provides a liquid suction mechanism for injector charge, which comprises a liquid suction clip, a vertical plate, a liquid suction track plate and a lifting mechanism, wherein the liquid suction clip is rotatably arranged on the lifting mechanism, the lifting mechanism is arranged in front of the vertical plate, and the liquid suction track plate is fixedly arranged on the upper part of the vertical plate; the liquid suction clamp comprises a clamp opening, a clamp main body and a position adjusting wheel, wherein the clamp opening is arranged at the upper part of the clamp main body, and the position adjusting wheel is arranged at the right part of the clamp main body; the liquid suction mechanism for loading the injector can automatically extract liquid medicine from the injection bottle, can complete a large amount of vaccine automatic liquid suction tasks, greatly reduces the labor intensity and the working time of medical staff, improves the injection efficiency of the vaccine, and can meet the requirement of concentrated vaccine injection for large-scale people.

Description

Liquid pumping mechanism for syringe medicine

Technical Field

The utility model belongs to the technical field of medical mechanical equipment, and particularly relates to a liquid pumping mechanism for filling a syringe.

Background

At present, medical institutions such as hospitals, community health service centers and the like generally adopt a manual operation mode to carry out a vaccination procedure on vaccinated people. In the vaccination process, medical staff need to take out the syringe and the injection bottle from the storage box manually, respectively carry out cap and bottle cap removing operation on the syringe and the injection bottle, and then insert the needle head of the syringe into the injection bottle for liquid pumping; because a lot of gas is attached to the inner wall of the injector after the injector is used for pumping liquid, at the moment, medical staff can manually spring the needle cylinder of the injector to spring down the small bubbles attached to the inner wall of the injector, thereby being convenient for the next step of exhausting operation; finally, medical staff manually pushes the piston handle to exhaust the air in the injector.

Because the number of medical staff performing vaccination procedures in medical institutions such as hospitals and community health service centers is limited, when the medical staff is faced with the situations of large-batch centralized vaccine injection and the like, the whole-course manual vaccination process has high labor intensity for the medical staff and long working time, and the medical staff cannot continuously keep the rapid injection of the vaccine after long-time injection operation, so that the injection efficiency of the vaccine is lower, and the requirement of large-scale crowd vaccination cannot be well met.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a liquid suction mechanism capable of automatically sucking liquid medicine from a syringe.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the liquid pumping mechanism for the injector charge comprises a liquid pumping clip, a vertical plate, a liquid pumping track plate and a lifting mechanism, wherein the liquid pumping clip is rotatably arranged on the lifting mechanism, the lifting mechanism is arranged in front of the vertical plate, and the liquid pumping track plate is fixedly arranged on the upper part of the vertical plate;

the liquid drawing clamp comprises a clamp opening, a clamp main body and a position adjusting wheel, wherein the clamp opening is arranged on the upper portion of the clamp main body, and the position adjusting wheel is arranged on the right portion of the clamp main body.

Further, the lifting mechanism comprises a lifting plate, a lifting rack and a lifting gear, wherein the lifting rack is fixedly arranged on the right part of the lifting plate along the vertical direction, the lifting rack is meshed with the lifting gear, and the lifting gear is connected with the output end of the liquid pumping motor.

Further, the left part of the clamp main body is hinged to the top of the lifting plate through a first pin shaft; the first pin shaft is sleeved with a liquid pumping unidirectional torsion spring.

Further, the right part of the clamp main body is provided with a groove, the groove is hinged with the swing arm through a second pin shaft, and the other end of the swing arm is connected with the position adjusting wheel.

Further, the upper portion of the drawing track plate is provided with an inclined guide surface.

Further, the liquid-pumping track plate is fixed on the upper part of the front side wall of the vertical plate and is matched with the position adjusting wheel.

Further, a spring needle unit is arranged above the vertical plate and comprises a spring needle motor and a spring needle rubber piece, the spring needle rubber piece is connected with the output end of the spring needle motor, and the spring needle motor is located at the side of the syringe needle cylinder.

The liquid suction mechanism for loading the injector can automatically extract liquid medicine from the injection bottle, can complete a large amount of vaccine automatic liquid suction tasks, greatly reduces the labor intensity and the working time of medical staff, improves the injection efficiency of the vaccine, and can meet the requirement of concentrated vaccine injection for large-scale people.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a liquid sucking mechanism for filling a syringe according to the present utility model.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a schematic diagram of the positional relationship between the suction clip and the lifting plate.

Fig. 4 is a schematic structural view of the suction clip.

Fig. 5 is a schematic diagram of an operating state in which the position adjusting wheel drives the clip body to deflect clockwise under the blocking effect of the liquid suction track plate when the liquid suction clip moves upwards.

FIG. 6 is a schematic view of the operation of the suction clip as it moves up to the push handle of the syringe.

Fig. 7 is a schematic view showing an operating state when the position regulating wheel moves up to the guide surface.

Fig. 8 is a schematic diagram of the working state of the drawing clamp when the clamp opening is moved downwards to pull the pushing handle of the injector to start drawing liquid.

Fig. 9 is a schematic view showing the operating state of the drawing clip pulling the syringe pushing handle to continue to move downwards for drawing liquid.

Fig. 10 is a schematic diagram of the positional relationship between the position adjustment wheel of the suction clip and the suction rail plate after the suction is completed.

Fig. 11 is a schematic diagram showing the working state that the lifting plate pushes the injector push handle upwards to exhaust.

Fig. 12 is a schematic view of the positional relationship between the syringe and the latch unit.

The symbols in the drawings illustrate:

1. a liquid drawing clamp; 2. a vertical plate; 3. a liquid pumping track plate; 4. a clamping opening; 5. a clip body; 6. a position adjustment wheel; 7. a first pin shaft; 8. a liquid-pumping unidirectional torsion spring; 9. the second pin shaft; 10. swing arms; 11. a guide surface; 12. a syringe push handle; 13. a lifting plate; 14. lifting the rack; 15. a lifting gear; 16. a liquid pumping motor; 17. a base; 18. a syringe; 19. injection bottle; 20. a spring needle motor; 21. spring needle rubber piece.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, the liquid suction mechanism for filling the injector comprises a liquid suction clip 1, a vertical plate 2 and a liquid suction track plate 3, wherein the vertical plate 2 is fixedly arranged on a base 17 along the vertical direction; the liquid suction track plate 3 is fixedly arranged on the upper part of the front side wall of the vertical plate 2, and an inclined guide surface 11 is arranged on the upper part of the liquid suction track plate 3.

The syringe 18 is supported by a prior art support structure (not shown in fig. 1 and 2) and the vial 19 is inserted onto the needle of the syringe 18 with the access clip 1 initially positioned below the syringe push handle 12.

The lifting mechanism capable of lifting is arranged in front of the vertical plate 2 and comprises a lifting plate 13, a lifting rack 14 and a lifting gear 15, wherein the lifting rack 14 is vertically and fixedly arranged on the right part of the lifting plate 13, the lifting rack is meshed with the lifting gear 15, and the lifting gear is connected with the output end of the liquid suction motor 16. The lifting plate 13 is in sliding connection with the vertical plate 2, and the lifting plate ascends or descends relative to the vertical plate through the cooperation of the sliding blocks and the sliding rails; the liquid suction motor 16 is started to drive the lifting gear 15 to rotate, and the lifting gear drives the lifting rack meshed with the lifting gear to move up and down, so that the lifting plate 13 is driven to move up and down.

As shown in fig. 3, the tapping clip 1 is arranged on the top of the lifting plate 13; the liquid suction track plate 3 is matched with the liquid suction clip 1 to realize the liquid suction operation of the injector.

As shown in fig. 4, the liquid suction clip 1 comprises a clip opening 4, a clip main body 5 and a position adjusting wheel 6, wherein the clip opening 4 is arranged at the upper part of the clip main body 5; the left part of the clamp main body 5 is hinged to the top of the lifting plate 13 through a first pin shaft 7; the first pin shaft 7 is sleeved with a liquid-drawing unidirectional torsion spring 8, and the liquid-drawing unidirectional torsion spring 8 provides unidirectional torsion for the clamp main body after the clamp main body 5 rotates, so that the power-assisted clamp main body rotates to return to an initial state.

The right part of the clamp main body 5 is provided with a groove, a swing arm 10 is hinged in the groove through a second pin shaft 9, and the other end of the swing arm is connected with the position adjusting wheel 6. When the position adjusting wheel drives the swing arm 10 to rotate clockwise relative to the clamp main body 5 under the action of external force, the bottom surface of the groove of the clamp main body can limit the rotation of the swing arm positioned at the inner side of the groove, and after the lower end surface of the swing arm is flush with the lower end surface of the clamp main body, the position adjusting wheel continuously drives the clamp main body 5 to rotate clockwise relative to the lifting plate under the action of external force, so that the clamp opening 4 is driven to rotate clockwise to realize the opening of the liquid suction clamp.

As shown in fig. 12, a needle flicking unit is arranged above the vertical plate 2, the needle flicking unit comprises a needle flicking motor 20 and a needle flicking rubber piece 21, the needle flicking rubber piece 21 is connected with the output end of the needle flicking motor 20, and the needle flicking motor 20 is positioned at the side of the syringe 18. After the syringe is pumped, the elastic needle motor 20 starts to drive the elastic needle rubber piece 21 to rotate, the elastic needle rubber piece 21 ejects the needle cylinder of the syringe 18, air attached to the inner wall of the syringe is ejected, then the lifting plate 13 moves upwards to push the syringe push handle 12, and the syringe push handle 12 moves upwards to drive the piston to move upwards to discharge air in the needle cylinder, so that automatic exhaust after the syringe is pumped is realized.

The working method of the liquid pumping mechanism for filling the injector comprises the following steps: the liquid drawing clamp is positioned below the pushing handle of the injector in the initial state; as shown in fig. 5, the liquid suction motor 16 is started to be meshed with the lifting rack 14 through the lifting gear 15 to drive the lifting plate 13 to move upwards, the lifting plate drives the liquid suction clip to lift, the position adjusting wheel 6 moves upwards to be blocked by the liquid suction track plate 3, and the position adjusting wheel drives the clip opening to deflect clockwise through the swing arm; as shown in fig. 6, the position adjusting wheel continues to move upwards to the position of the syringe push handle, and the deflected clamping opening is positioned at the side of the syringe push handle; as shown in fig. 7, when the position adjusting wheel moves up to the guide surface 11 along the liquid suction track plate 3, the position of the position adjusting wheel is not limited by the liquid suction track plate 3, and the clamp body 5 rotates anticlockwise under the torsion action of the liquid suction unidirectional torsion spring 8 to drive the clamp opening to move to the upper part of the injector push handle; as shown in fig. 8, the liquid suction motor is reversed to drive the lifting plate to move downwards, the position adjusting wheel 6 moves downwards and is blocked by the liquid suction track plate 3, so that the position adjusting wheel drives the swing arm 10 to rotate anticlockwise, the position of the clamping opening is locked, and the clamping opening 4 is clamped at the upper end of the pushing handle of the injector; as shown in fig. 9, the lifting plate moves downwards to drive the liquid drawing clamp to move downwards, the position adjusting wheel 6 moves downwards along the liquid drawing track plate 3, the clamp opening 4 pulls the injector push handle 12 to move downwards, and the injector draws liquid medicine from the injection bottle; as shown in fig. 10, the clamping opening 4 pulls the injector push handle to continue descending, and the position adjusting wheel 6 is separated from the liquid suction track plate 3; the position adjusting wheel and the swing arm 10 are clockwise overturned under the action of self gravity until the swing arm is in a horizontal state; the syringe is used for extracting the liquid medicine.

The needle spring motor 20 starts to drive the needle spring rubber piece 21 to rotate, and the needle spring rubber piece 21 knocks the syringe cylinder of the injector to spring off bubbles attached to the inner wall of the syringe cylinder; as shown in fig. 11, the liquid suction motor 16 is reversed to drive the lifting plate 13 to move upwards, the position adjusting wheel 6 moves upwards to be blocked by the liquid suction track plate 3 to drive the swing arm to deflect clockwise, and the clamping opening 4 leaves the pushing handle of the injector; the lifting plate 13 moves upwards to push the pushing handle of the injector to move upwards, and the pushing handle of the injector drives the liquid medicine in the syringe to move upwards to discharge the air in the syringe from the needle head, so that the air discharge of the liquid medicine in the syringe is realized.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a syringe powder charge is with drawing liquid mechanism which characterized in that: the device comprises a liquid suction clip, a vertical plate, a liquid suction track plate and a lifting mechanism, wherein the liquid suction clip is rotatably arranged on the lifting mechanism, the lifting mechanism is arranged in front of the vertical plate, and the liquid suction track plate is fixedly arranged on the upper part of the vertical plate;

2. The syringe charge pump mechanism of claim 1, wherein: the lifting mechanism comprises a lifting plate, a lifting rack and a lifting gear, wherein the lifting rack is fixedly arranged on the right part of the lifting plate along the vertical direction, the lifting rack is meshed with the lifting gear, and the lifting gear is connected with the output end of the liquid pumping motor.

3. The syringe charge pump mechanism of claim 2, wherein: the left part of the clamp main body is hinged to the top of the lifting plate through a first pin shaft; the first pin shaft is sleeved with a liquid pumping unidirectional torsion spring.

4. A syringe charge pump as in claim 3 wherein: the right part of the clamp main body is provided with a groove, the groove is hinged with the swing arm through a second pin shaft, and the other end of the swing arm is connected with the position adjusting wheel.

5. The syringe charge pump mechanism of claim 1, wherein: the upper part of the liquid suction track plate is provided with an inclined guide surface.

6. The syringe charge pump mechanism of claim 1, wherein: the liquid suction track plate is fixed on the upper part of the front side wall of the vertical plate and is matched with the position adjusting wheel.

7. The syringe charge pump mechanism of claim 1, wherein: the upper part of the vertical plate is provided with a needle spring unit, the needle spring unit comprises a needle spring motor and a needle spring rubber piece, the needle spring rubber piece is connected with the output end of the needle spring motor, and the needle spring motor is positioned at the side of the syringe needle cylinder.