CN115998619A - Pediatric medicine divider - Google Patents

Abstract

The invention relates to a medicine dispenser, in particular to a pediatric medicine dispenser. The invention provides a pediatric drug dispenser with accurate components. A pediatric medicine dispenser comprises a base, a first material box, a second material box, a threaded cover, an installation box, a discharging mechanism and a quantifying mechanism; the base upside is equipped with the second workbin, and second workbin upside inclines left side and is equipped with first workbin, and first workbin upside screw thread is equipped with the screw cap, and second workbin lower part right side is equipped with feed mechanism, is equipped with ration mechanism between first workbin and the second workbin, is equipped with the install bin on the ration mechanism. According to the invention, when the water level of the medicament reaches the proper scale on the scale, people stop moving the piston rod, and then people move the piston rod downwards, so that the medicament flows into the containing bottle through the connecting pipe and the discharging pipe, and the accurate dispensing effect is realized.

Description

Pediatric medicine divider

Technical Field

The invention relates to a medicine dispenser, in particular to a pediatric medicine dispenser.

Background

When a doctor performs diagnosis and treatment on a patient, different medicine doses are adopted according to the age and the disease condition of the patient, and then a pharmacist performs medicine distribution, so that a medicine distributor needs to be designed.

Patent application: CN213697966U, the publication day is 20210716, a clinical medication medicine component ware of child's internal medicine is disclosed, can drive the transmission shaft through manual rotation standpipe and rotate, thereby drive the carousel rotation, can drive the connecting rod downstream, thereby drive slide bar downstream, make the space of slide bottom compressed, can pass through the medicine discharging tube with the inside liquid medicine of jar body and discharge, here through being provided with the scale mark in the standing board outside, can drive the pointer and rotate when the standpipe rotates, the volume of the liquid medicine of getting can be read out from the scale mark that the pointer corresponds, can reverse the standpipe and drive slide upward movement after the liquid medicine is got, the space increase of slide bottom this moment is favorable to in time flowing back the inside of standpipe with the inside liquid medicine of medicine discharging tube, and then flow back to the jar body inside, the device discharges the medicine through the medicine discharging tube through rotating the standpipe, because the medicine discharging tube is vertical state, can cause the inside liquid medicine backward flow of medicine discharging tube to the standpipe, cause the component inaccurate.

The pediatric medicine component device with accurate components is designed to achieve the effect of overcoming the inaccuracy of the components of the existing component device.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a pediatric medicine dispenser with accurate components, which overcomes the defect of inaccurate components caused by backflow of the existing dispenser.

In order to achieve the above object, the present invention is realized by the following scheme: a pediatric drug dispenser comprising:

the upper side of the base is provided with a second feed box;

the upper side of the first material box and the upper side of the second material box are deviated to the left side, and the first material box for containing medicaments is arranged;

the screw cap is arranged on the upper side of the first feed box in a screw manner;

the right side of the lower part of the second feed box is provided with a feeding mechanism for controlling the flow of the medicament;

the quantifying mechanism is arranged between the first material box and the second material box and used for quantifying the medicament;

the quantifying mechanism comprises:

the connecting frame is arranged on the upper side of the first feed box in a sliding way and is connected with the mounting box;

the piston rod is arranged on the mounting box in a sliding manner;

the perspective box is arranged at the lower side of the installation box and is connected with the second feed box in a sliding manner;

the right side of the perspective box is provided with a scale for displaying the medicine position graduations of the medicines;

the connecting pipe is arranged at the lower side of the perspective box and is connected with the second feed box in a sliding manner;

the quantitative mechanism is provided with an installing box.

As the improvement of above-mentioned scheme, unloading mechanism includes:

a blanking pipe is arranged on the right side of the lower part of the second feed box;

the guide rods are arranged on the upper sides of the front side and the rear side of the blanking pipe in a sliding mode;

a baffle plate for controlling the flow of the medicament is connected between the two guide rods and is connected with the blanking pipe in a sliding manner;

the first springs are connected between the front side and the rear side of the left part of the baffle plate and the blanking pipe, and the first springs are wound on the guide rods.

As an improvement of the above-mentioned scheme, the quantitative mechanism includes:

and a second spring is connected between the perspective box and the second feed box, and the second spring is wound on the connecting pipe.

As the improvement of above-mentioned scheme, still including being used for blocking the self-locking mechanism of piston rod, self-locking mechanism has:

the upper side in the piston rod is provided with a limiting block;

the upper side of the limiting block is provided with a third spring, the third spring is provided with a movable tube, and the movable tube is connected with the piston rod and the limiting block in a sliding manner;

the left side and the right side of the piston rod are both provided with clamping blocks in a sliding mode, and the clamping blocks are connected with the movable pipe in a sliding mode.

As the improvement of above-mentioned scheme, still including realizing quantitative extraction medicament positioning mechanism, positioning mechanism is including:

the installation frame is arranged on the perspective box, ten positioning holes are formed in the front side and the rear side of the right part of the installation frame, and ten positioning holes are formed in the front side and the rear side of the right part of the installation frame;

the positioning block is arranged on the mounting frame in a sliding manner and is connected with the perspective box in a sliding manner;

the movable rod is arranged on the right side of the positioning block in a sliding way;

the fourth springs are connected between the front side and the rear side of the movable rod and the positioning blocks, and the fourth springs are wound on the movable rod;

the piston rod is provided with a first connecting rod.

As the improvement of above-mentioned scheme, still including realizing automatic valve control's self-starting mechanism, self-starting mechanism is including:

the mounting sleeve is arranged on the upper side of the right side of the base;

the gravity block is arranged in the installation sleeve in a sliding manner;

the upper side in the installation sleeve is rotatably provided with a guide wheel;

the pull rope is arranged on the upper side of the gravity block and bypasses the guide wheel to be connected with the baffle;

the hinge block is hinged to the lower side of the left side of the mounting sleeve;

the torsion springs are connected between the front side and the rear side of the hinge block and the mounting sleeve, and the torsion springs are wound on the hinge block;

the front side, the rear side and the lower side of the hinge block are respectively provided with a stop block;

the second connecting rod is arranged on the lower side of the left side of the perspective box and is connected with the second feed box and the mounting sleeve in a sliding manner;

the pressing block is arranged on the lower side of the left side of the second connecting rod.

As the improvement of above-mentioned scheme, still including rotary mechanism, rotary mechanism includes:

the middle part in the base is provided with a shaft sleeve;

the first rotating shaft is rotationally arranged in the shaft sleeve and is rotationally connected with the second feed box;

the stirring fan is arranged on the upper side of the first rotating shaft;

the knob is rotatably arranged at the lower side of the base;

the second rotating shaft is rotatably arranged on the lower side of the base in a manner of deviating from the front side;

the first gear set is connected between the second rotating shaft and the knob;

the second gear set is connected between the second rotating shaft and the first rotating shaft.

As an improvement of the scheme, a round hole is formed in the right side of the bottom in the second feed box.

The invention has the advantages that: 1. according to the invention, when the water level of the medicament reaches the proper scale on the scale, people stop moving the piston rod, and then people move the piston rod downwards, so that the medicament flows into the containing bottle through the connecting pipe and the discharging pipe, and the accurate dispensing effect is realized;

2. the hinged block rotates to be far away from the gravity block, so that the gravity block moves downwards under the action of gravity, the pull rope pulls the baffle to move leftwards, then the second connecting rod moves upwards to drive the gravity block to move upwards, and the first spring resets to drive the baffle to move rightwards, so that the effect of automatic valve control is realized;

3. through manual knob that rotates of people to make first gear train rotate, make the second pivot rotate, and then second gear train and axle sleeve rotate, make the stirring fan rotate, with this effect that has realized stirring medicament, avoided the medicament to deposit.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a discharging mechanism of the present invention.

Fig. 3 is a perspective sectional view of the discharging mechanism of the present invention.

FIG. 4 is a schematic perspective view of the quantitative mechanism of the present invention.

FIG. 5 is a perspective sectional view of the dosing mechanism of the present invention.

Fig. 6 is a schematic perspective view of the self-locking mechanism of the present invention.

Fig. 7 is a perspective sectional view of the self-locking mechanism of the present invention.

Fig. 8 is a schematic perspective view of a positioning mechanism according to the present invention.

Fig. 9 is a partial perspective sectional view of the positioning mechanism of the present invention.

Fig. 10 is an enlarged view of the present invention at a.

Fig. 11 is a perspective sectional view of the self-opening mechanism of the present invention.

Fig. 12 is a partial perspective sectional view of the self-opening mechanism of the present invention.

Fig. 13 is a perspective sectional view of the rotary mechanism of the present invention.

Fig. 14 is a partial perspective sectional view of the rotary mechanism of the present invention.

Reference numerals in the figures: 1. base, 21, first bin, 22, second bin, 3, screw cap, 4, mounting bin, 5, blanking mechanism, 51, blanking tube, 52, baffle, 53, guide rod, 54, first spring, 6, dosing mechanism, 61, connecting frame, 62, piston rod, 63, perspective bin, 64, scale, 65, connecting tube, 66, second spring, 7, self-locking mechanism, 71, movable tube, 72, stopper, 73, third spring, 74, fixture block, 8, positioning mechanism, 81, mounting rack, 82, positioning block, 83, positioning hole, 84, movable rod, 85, fourth spring, 86, first connecting rod, 9, self-opening mechanism, 91, mounting sleeve, 92, gravity block, 93, guide wheel, 94, pull cord, 95, hinge block, 96, torsion spring, 97, stopper, 98, second connecting rod, 99, pressing block, 10, rotating mechanism, 101, shaft sleeve, 102, first rotating shaft, 103, stirring fan, 104, knob, 105, second rotating shaft, 106, first gear set, 107, second gear set.

Detailed Description

The invention will be further described with reference to the accompanying drawings and detailed description below:

example 1

Referring now to fig. 1, the pediatric medicine dispenser comprises a base 1, a first material box 21, a second material box 22, a thread cover 3, an installation box 4, a blanking mechanism 5 and a quantifying mechanism 6, wherein the second material box 22 is arranged on the upper side of the base 1, a round hole is formed in the right side of the bottom in the second material box 22, the first material box 21 is arranged on the upper side of the second material box 22 in a deviated left side, the second material box 22 is communicated with the first material box 21, the first material box 21 is used for containing medicines, the thread cover 3 is arranged on the upper side of the first material box 21, the blanking mechanism 5 is arranged on the right side of the lower part of the second material box 22, the quantifying mechanism 6 is arranged between the first material box 21 and the second material box 22, and the installation box 4 is arranged on the quantifying mechanism 6.

Referring to fig. 1, 2, 3, 4 and 11, the blanking mechanism 5 includes a blanking pipe 51, a baffle plate 52, a guide rod 53 and a first spring 54, the right side of the lower portion of the second material box 22 is welded with the blanking pipe 51, the guide rods 53 are slidably arranged on the upper sides of the front side and the rear side of the blanking pipe 51, the baffle plate 52 is welded between the two guide rods 53, a round hole is formed in the baffle plate 52, the baffle plate 52 can block the liquid medicine in the second material box 22 from flowing downwards, the baffle plate 52 is slidably connected with the blanking pipe 51, the first springs 54 are connected between the front side and the rear side of the left portion of the baffle plate 52 and the blanking pipe 51, and the first springs 54 are wound on the guide rods 53.

Referring now to fig. 1, 4, 5, 6, 7, 8 and 11, the dosing mechanism 6 includes a connecting frame 61, a piston rod 62, a perspective box 63, a scale 64, a connecting pipe 65 and a second spring 66, the connecting frame 61 is slidably disposed on the first box 21, the connecting frame 61 is connected with the mounting box 4, the piston rod 62 is slidably disposed on the mounting box 4, the perspective box 63 is slidably disposed on the lower side of the mounting box 4, the perspective box 63 is slidably connected with the second box 22, the scale 64 is disposed on the right side of the perspective box 63, the connecting pipe 65 is welded on the lower side of the perspective box 63, the connecting pipe 65 contacts with the round hole after moving, the connecting pipe 65 is slidably connected with the second box 22, a second spring 66 is connected between the perspective box 63 and the second box 22, and the second spring 66 is wound around the connecting pipe 65.

When one needs to dose the medicine, one can use this pediatric medicine dispenser by first manually turning the screw cap 3, then one injects the medicine into the first bin 21 so that the medicine flows into the second bin 22, after the injection is completed, one turns the screw cap 3 tightly on the first bin 21, then one manually moves the piston rod 62 upward so that the medicine flows from the second bin 22 into the see-through bin 63 under the action of air pressure, one can check the medicine level of the medicine according to the scale 64, when there is an appropriate amount of medicine in the see-through bin 63, one stops moving the piston rod 62 upward, then one manually moves the mounting bin 4 downward so that the connecting frame 61 moves downward so that the connecting tube 65 and the see-through bin 63 move downward, the second spring 66 is compressed, at this time the connecting tube 65 coincides with the round hole in the second bin 22, then one manually moves the baffle plate 52 leftward, so that the guide rod 53 moves leftwards, the round hole on the baffle plate coincides with the round hole in the second feed box 22, the first spring 54 is compressed, meanwhile, people place the containing bottle right below the blanking pipe 51, then people manually move the piston rod 62 downwards, under the action of air pressure, medicines flow into the containing bottle through the connecting pipe 65 and the blanking pipe 51, when no medicines exist in the perspective box 63, people stop moving the piston rod 62 and release the mounting box 4, the second spring 66 resets to drive the perspective box 63 to move upwards, so that the connecting pipe 65 moves upwards, the mounting box 4 and the connecting frame 61 move upwards, meanwhile, people release the baffle plate 52, so that the first spring 54 resets to drive the guide rod 53 and the baffle plate 52 to move rightwards, at the moment, the blanking pipe 51 is blocked by the baffle plate 52, people place the containing bottle containing medicines at the moment, when the medicines are still needed, people can operate according to the steps.

Example 2

On the basis of embodiment 1, referring to fig. 1, 6 and 7, the self-locking mechanism 7 further comprises a self-locking mechanism 7, the self-locking mechanism 7 comprises a movable tube 71, a limiting block 72, a third spring 73 and a clamping block 74, the limiting block 72 is welded on the upper side in the piston rod 62, the third spring 73 is arranged on the upper side of the limiting block 72, the movable tube 71 is slidably connected with the piston rod 62 and the limiting block 72, the clamping block 74 is slidably connected with the movable tube 71 on the left side and the right side of the piston rod 62, and the clamping block 74 is in contact with the installation box 4.

Referring now to fig. 1, 8, 9 and 10, the positioning mechanism 8 is further included, the positioning mechanism 8 includes a mounting frame 81, a positioning block 82, a movable rod 84, a fourth spring 85 and a first connecting rod 86, the mounting frame 81 is disposed on the perspective box 63, the positioning block 82 is slidably disposed on the mounting frame 81, the positioning block 82 is slidably connected with the perspective box 63, ten positioning holes 83 are formed in front and rear sides of the right portion of the mounting frame 81, ten positioning holes 83 are formed in the right side of the positioning block 82, the movable rod 84 is in contact with the positioning holes 83, the fourth spring 85 is connected between the front and rear sides of the movable rod 84 and the positioning block 82, the fourth spring 85 is wound on the movable rod 84, the first connecting rod 86 is welded on the piston rod 62, and the first connecting rod 86 is in contact with the positioning block 82 after moving.

Referring to fig. 1, 11 and 12, the self-opening mechanism 9 further comprises a self-opening mechanism 9, the self-opening mechanism 9 comprises a mounting sleeve 91, a gravity block 92, a guide wheel 93, a pull rope 94, a hinge block 95, a torsion spring 96, a stop block 97, a second connecting rod 98 and a pressing block 99, wherein the mounting sleeve 91 is arranged on the right side of the base 1, the gravity block 92 is arranged in the mounting sleeve 91 in a sliding manner, the guide wheel 93 is rotatably arranged on the upper side of the mounting sleeve 91, the pull rope 94 is arranged on the upper side of the gravity block 92, the pull rope 94 bypasses the guide wheel 93 and is connected with the baffle plate 52, the hinge block 95 is hinged to the left side of the mounting sleeve 91, the hinge block 95 is in contact with the gravity block 92, a torsion spring 96 is connected between the front side and the rear side of the hinge block 95 and the mounting sleeve 91, the torsion spring 96 winds on the hinge block 95, the stop block 97 is arranged on the front side and the rear side of the hinge block 95, the second connecting rod 98 is welded on the left side of the lower side of the perspective box 63, the second connecting rod 98 is slidably connected with the second box 22 and the mounting sleeve 91, the second connecting rod 98 is in contact with the gravity block 92, the left side of the second connecting rod 98 is in contact with the pressing block 99, and the pressing block is in contact with the rear side of the pressing block 97.

Referring to fig. 1, 13 and 14, the rotary mechanism 10 is further included, the rotary mechanism 10 includes a shaft sleeve 101, a first rotating shaft 102, a stirring fan 103, a knob 104, a second rotating shaft 105, a first gear set 106 and a second gear set 107, the shaft sleeve 101 is welded in the middle of the base 1, the first rotating shaft 102 is rotatably disposed in the shaft sleeve 101, the first rotating shaft 102 is rotatably connected with the second feed box 22, the stirring fan 103 is disposed on the upper side of the first rotating shaft 102, the knob 104 is rotatably disposed on the lower side of the base 1, the second rotating shaft 105 is rotatably disposed on the lower side of the base 1, a first gear set 106 is connected between the second rotating shaft 105 and the knob 104, the first gear set 106 is composed of an inner ring gear and a straight gear, the inner ring gear is meshed with the straight gear, the second gear set 107 is connected between the second rotating shaft 105 and the first rotating shaft 102, the second gear set 107 is composed of two straight gears, the second rotating shaft 105 is meshed with the straight gears on the lower side of the first rotating shaft 102, and the two straight gears are meshed with each other.

When one needs to move the piston rod 62 upward, one manually moves the movable tube 71 downward so that the third spring 73 is compressed, at this time, the movable tube 71 does not clamp the clamp block 74, one can move the piston rod 62 upward, when one has a proper amount of medicine in the see-through box 63, one can release the movable tube 71, thereby resetting the third spring 73 to drive the movable tube 71 to move upward, at this time, the movable tube 71 presses the clamp block 74 to clamp it, so that the clamp block 74 and the piston rod 62 are clamped on the mounting box 4, one can manually move the mounting box 4 downward, thereby realizing the clamping effect, reducing the operation of holding the piston rod 62 for a long time, when one needs to move the piston rod 62 downward, one can manually move the movable tube 71 downward, when one does not clamp the clamp block 74, one can move the piston rod 62 downward, and when one does not have medicine in the see-through box 63, one can release the movable tube 71.

One positioning hole 83 represents one liter, the lowest positioning hole 83 represents one liter, the next to last positioning hole 83 represents two liters, the uppermost positioning hole 83 represents ten liters, when people need to control the dosage of medicaments, people can manually move the movable rod 84 rightward, so that the movable rod 84 is far away from the positioning hole 83, the fourth spring 85 is compressed, then people manually move the positioning block 82, when the positioning block 82 is aligned with the proper positioning hole 83, people can release the movable rod 84, so that the fourth spring 85 resets to drive the movable rod 84 to move leftwards into the proper positioning hole 83, the movable rod 84 clamps the positioning block 82 on the mounting frame 81, then people manually move the piston rod 62 upwards, so that the first connecting rod 86 moves upwards, when the first connecting rod 86 moves to be in contact with the positioning block 82, people stop moving the piston rod 62 upwards excessively, the positioning effect is achieved, and then the piston rod 62 is prevented from moving the piston rod 86 downwards.

The downward movement of the perspective box 63 drives the second connecting rod 98 to move downwards so as to enable the pressing block 99 to move downwards, the gravity block 92 is clamped by the hinging block 95 at the moment, the gravity block 92 cannot move downwards, when the pressing block 99 moves downwards to be in contact with the baffle plate 97, the pressing block 99 drives the baffle plate 97 to rotate, so that the hinging block 95 rotates, the torsion spring 96 is twisted and deformed, when the hinging block 95 rotates to be far away from the gravity block 92, the gravity block 92 moves downwards under the action of gravity to be in contact with the second connecting rod 98, the pull rope 94 pulls the baffle plate 52 to move leftwards, the guide wheel 93 rotates, the automatic blanking effect is achieved, then the upward movement of the perspective box 63 drives the second connecting rod 98 to move upwards, so that the pressing block 99 moves upwards, the second connecting rod 98 drives the gravity block 92 to move upwards at the moment, the pulling force of the pull rope 94 on the baffle plate 52 is small, the baffle plate 52 moves rightwards to reset, the guide wheel 93 rotates reversely, and when the pressing block 99 moves upwards to be far away from the baffle plate 97, the torsion spring 96 resets to drive the hinging block 95 to rotate reversely, so that the baffle plate 97 rotates reversely, at the moment, the hinging block 95 is clamped by the hinging block 95.

When people need to stir the medicament, people manually rotate the knob 104, so that the first gear set 106 rotates, the second rotating shaft 105 rotates, the second gear set 107 and the first rotating shaft 102 rotate, the stirring fan 103 rotates, the stirring effect is realized, medicament precipitation is avoided, and when stirring is not needed, people stop rotating the knob 104.

It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the invention as defined in the appended claims.

Claims (8)

1. A pediatric drug dispenser comprising:

the device comprises a base (1) and a second feed box (22), wherein the second feed box (22) is arranged on the upper side of the base (1);

the upper side of the second feed box (22) is deviated to the left side and is provided with a first feed box (21) for containing medicaments;

a screw cap (3), wherein the screw cap (3) is arranged on the upper side of the first feed box (21) in a screw manner;

the discharging mechanism (5) is arranged on the right side of the lower part of the second feed box (22), and the discharging mechanism (5) for controlling the flow of the medicament is arranged on the right side of the lower part of the second feed box;

a dosing mechanism (6), a dosing mechanism (6) for dosing the medicament is arranged between the first material box (21) and the second material box (22);

the quantifying mechanism (6) comprises:

the connecting frame (61) is arranged on the upper side of the first material box (21) in a sliding way, the connecting frame (61) is connected with the mounting box (4);

a piston rod (62), wherein the piston rod (62) is arranged on the installation box (4) in a sliding manner;

the perspective box (63) is arranged at the lower side of the installation box (4), and the perspective box (63) is connected with the second feed box (22) in a sliding manner;

a scale (64), a scale (64) for displaying the medicine level graduation of the medicine is arranged on the right side of the perspective box (63);

the connecting pipe (65), the connecting pipe (65) is arranged at the lower side of the perspective box (63), and the connecting pipe (65) is connected with the second feed box (22) in a sliding manner;

the mounting box (4) is arranged on the quantifying mechanism (6), and the mounting box (4) is arranged on the quantifying mechanism.

2. A pediatric drug dispenser according to claim 1, wherein the blanking mechanism (5) comprises:

a blanking pipe (51) is arranged on the right side of the lower part of the second feed box (22);

the guide rods (53) are arranged on the upper sides of the front side and the rear side of the blanking pipe (51) in a sliding mode;

a baffle plate (52), wherein the baffle plate (52) for controlling the flow of the medicament is connected between the two guide rods (53), and the baffle plate (52) is connected with the blanking pipe (51) in a sliding manner;

the first springs (54) are connected between the front side and the rear side of the left part of the baffle plate (52) and the blanking pipe (51), and the first springs (54) are wound on the guide rod (53).

3. A pediatric drug dispenser according to claim 2, wherein the dosing mechanism (6) further comprises:

and a second spring (66), wherein the second spring (66) is connected between the perspective box (63) and the second feed box (22), and the second spring (66) is wound on the connecting pipe (65).

4. A pediatric drug dispenser according to claim 3, further comprising a self-locking mechanism (7) for locking the piston rod (62), the self-locking mechanism (7) comprising:

a limiting block (72), wherein the limiting block (72) is arranged on the upper side in the piston rod (62);

the third spring (73), the upper side of the limiting block (72) is provided with the third spring (73), the third spring (73) is provided with the movable pipe (71), and the movable pipe (71) is connected with the piston rod (62) and the limiting block (72) in a sliding mode;

the clamping block (74) is arranged on the left side and the right side of the piston rod (62) in a sliding mode, and the clamping block (74) is connected with the movable pipe (71) in a sliding mode.

5. A pediatric drug dispenser according to claim 4, further comprising a positioning mechanism (8) for effecting metered withdrawal of the drug, the positioning mechanism (8) comprising:

the installation frame (81) is arranged on the perspective box (63), ten positioning holes (83) are formed in the front side and the rear side of the right part of the installation frame (81), and ten positioning holes (83) are formed;

the positioning block (82) is arranged on the mounting frame (81) in a sliding mode, the positioning block (82) is connected with the perspective box (63) in a sliding mode;

a movable rod (84), wherein the movable rod (84) is arranged on the right side of the positioning block (82) in a sliding manner;

a fourth spring (85), wherein the fourth spring (85) is connected between the front side and the rear side of the movable rod (84) and the positioning block (82), and the fourth spring (85) is wound on the movable rod (84);

the first connecting rod (86) is arranged on the piston rod (62), and the first connecting rod (86) is arranged on the piston rod.

6. A pediatric drug dispenser according to claim 5, further comprising a self-priming mechanism (9) for effecting an automatic control of the valve, the self-priming mechanism (9) comprising:

the mounting sleeve (91) is arranged on the upper side of the right side of the base (1);

a gravity block (92), wherein the gravity block (92) is arranged in the installation sleeve (91) in a sliding manner;

the guide wheel (93) is rotatably arranged on the upper side in the mounting sleeve (91);

a pull rope (94) is arranged on the upper side of the gravity block (92), and the pull rope (94) bypasses the guide wheel (93) to be connected with the baffle plate (52);

the hinge block (95) is hinged to the lower side of the left side of the mounting sleeve (91);

the torsion springs (96) are connected between the front side, the rear side and the mounting sleeve (91) of the hinge block (95), and the torsion springs (96) are wound on the hinge block (95);

the stop blocks (97) are arranged on the lower sides of the front side, the rear side and the lower sides of the hinge blocks (95);

the second connecting rod (98) is arranged on the lower side of the left side of the perspective box (63), and the second connecting rod (98) is connected with the second feed box (22) and the mounting sleeve (91) in a sliding mode;

the pressing block (99) is arranged on the lower side of the left side of the second connecting rod (98).

7. A pediatric drug dispenser according to claim 6, further comprising a rotation mechanism (10), the rotation mechanism (10) comprising:

the shaft sleeve (101) is arranged in the middle of the base (1);

the first rotating shaft (102) is rotatably arranged on the shaft sleeve (101), and the first rotating shaft (102) is rotatably connected with the second feed box (22);

a stirring fan (103), wherein the stirring fan (103) is arranged on the upper side of the first rotating shaft (102);

a knob (104), wherein the knob (104) is rotatably arranged at the lower side of the base (1);

a second rotating shaft (105), wherein the second rotating shaft (105) is rotatably arranged on the lower side of the base (1) and is deviated to the front side;

the first gear set (106) is connected between the second rotating shaft (105) and the knob (104);

and a second gear set (107), wherein the second gear set (107) is connected between the second rotating shaft (105) and the first rotating shaft (102).

8. A pediatric drug dispenser according to claim 1, wherein the second bin (22) has a circular aperture in the right side of the bottom.

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