A metering bracket for drug analysis in hospital laboratories

Abstract

The present invention discloses a metering support for drug analysis in a hospital laboratory in the field of drug metering technology, comprising a base, a support frame fixedly connected to the rear end of the upper side of the base, a disc shell fixedly connected to the middle part of the support frame, the disc shell being located directly above the base, and a connecting pipe fixedly connected to the upper end of the disc shell; the present invention can drive a rotating ring to rotate through a driving mechanism, and can make a piston in a measuring cylinder which rotates with the rotating ring to be aligned with the connecting pipe be pulled down from the outermost end of the measuring cylinder to a position set at the inner end of the measuring cylinder through a push-pull adjustment mechanism, so that the measuring cylinder can draw a quantitative amount of liquid medicine from a hopper, and can make a piston in the measuring cylinder which rotates with the rotating ring to be aligned with the discharge pipe be pushed down from the inner end of the measuring cylinder to the outermost end of the measuring cylinder through a push-pull adjustment mechanism, so that the quantitative liquid medicine in the measuring cylinder is completely discharged into a container through the discharge pipe, thereby realizing accurate and rapid continuous metering of the experimental liquid medicine.

Description

Technical Field

[0001] The invention relates to the technical field of drug metering, in particular to a metering support for drug analysis in a hospital laboratory. Background Art

[0002] Drug analysis, also known as drug testing, is an important means to test drug quality and ensure the safety, effectiveness and rationality of human drug use. In order to ensure the accuracy of drug certification experiments, drug analysis in hospital laboratories requires multiple groups of control experiments. In many groups of drug experiments, multiple groups of quantitative liquid drugs need to be carried out, which requires a liquid drug volume metering device.

[0003] At present, some liquid medicine volume metering devices are equipped with suction tubes for accurate measurement. In the early stage, too much liquid medicine will be injected into the container, and then the liquid medicine above the measuring height will be extracted through a fixed height return tube to ensure the accuracy of the liquid medicine volume. However, the measuring speed is slow. When faced with multiple groups of liquid medicines that need to be measured, a large amount of repetitive and slow measuring work is required, which reduces the experimental efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide a metering bracket for drug analysis in hospital laboratories to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a metering support for drug analysis in a hospital laboratory, comprising a base, a support frame is fixedly connected to the rear end of the upper side of the base, a disc shell is fixedly connected to the middle part of the support frame, the disc shell is located directly above the base, a connecting pipe is fixedly connected to the upper end of the disc shell, a hopper is fixedly connected to the upper end of the connecting pipe, the hopper is fixedly connected to the base, a drain pipe is fixedly connected to the lower end of the disc shell, a swivel is rotatably connected inside the disc shell, the disc shell and the swivel are concentrically arranged, and a drive mechanism for driving the disc shell is arranged on the support frame. A driving mechanism for the rotation of a movable ring, wherein a plurality of component cylinders distributed in a circular array are fixedly connected to the outer circular wall of the rotating ring, the outer end of the component cylinder can be connected to a connecting pipe, the outer end of the component cylinder can be connected to a discharge pipe, the inner end of the component cylinder is slidably connected to a piston, and a push-pull adjustment mechanism is provided between the disc shell and the plurality of pistons, the push-pull adjustment mechanism can push the piston to slide downward to the outer port of the component cylinder during the process of aligning the component cylinder with the discharge pipe, and the push-pull adjustment mechanism can pull the piston to slide toward the inner end of the component cylinder during the process of aligning the component cylinder with the connecting pipe.

[0006] As a further solution of the present invention, the push-pull adjustment mechanism includes a plurality of sliding rods, the number of the sliding rods is the same as that of the pistons, and the plurality of sliding rods are fixedly connected to the inner ends of the plurality of pistons respectively, the inner ends of the sliding rods extend outside the component cylinder, and one end of the sliding rod extending outside the component cylinder is fixedly connected to a limiting disk, a spring is sleeved on the outer side of the sliding rod between the limiting disk and the component cylinder, and one end of the limiting disk away from the sliding rod is fixedly connected to a U-shaped protrusion, the push-pull adjustment mechanism also includes a first arc track and a second arc track, the first arc track and the second arc track are both located on the inner side of the swivel and are distributed left and right, the first arc track and the second arc track are both fixedly connected to the inner wall of the disc shell, the first arc track and the second arc track are both concentrically arranged with the disc shell, and the first arc track A fixed inclined rail is fixedly connected between the lower end of an arc track and the lower end of the second arc track, the upper end of the first arc track is rotatably connected to the first movable inclined rail, the end of the first movable inclined rail away from the first arc track is rotatably and slidably connected to a lifting horizontal rail, the end of the lifting horizontal rail away from the first movable inclined rail is rotatably connected to the second movable inclined rail, the end of the second movable inclined rail away from the lifting horizontal rail is rotatably connected to the upper end of the second arc track, the end of the U-shaped protrusion away from the limiting plate can contact the outer side surfaces of the first arc track, the second arc track, the fixed inclined rail, the first movable inclined rail, the lifting horizontal rail and the second movable inclined rail, and a lifting adjustment component for adjusting the lifting horizontal rail to slide up and down is arranged between the lifting horizontal rail and the disc shell.

[0007] As a further solution of the present invention, the lifting and adjusting assembly includes a fixed seat, which is located below the lifting horizontal rail, the fixed seat is fixedly connected to the inner wall of the disc shell, a telescopic rod is arranged between the fixed seat and the lifting horizontal rail, the fixed end of the telescopic rod is fixedly connected to the fixed seat, and the free end of the fixed seat is fixedly connected to the lifting horizontal rail, the fixed seat is slidably connected with a first rack in the up and down directions, the first rack is fixedly connected to the lifting horizontal rail, the first rack is meshed with a first gear, the first gear is rotatably connected to the fixed seat, the rotating shaft of the first gear is fixedly connected with a worm wheel, the worm wheel is meshed with a worm, the worm is rotatably connected to the fixed seat, the rotating shaft of the worm gear extends outside the disc shell, and a manual adjustment unit is arranged between the rotating shaft of the worm gear and the outer wall of the disc shell, and the manual adjustment unit can adjust the position of the lifting horizontal rail in the up and down directions by rotating the worm gear.

[0008] As a further solution of the present invention, the manual adjustment unit includes a second gear, which is fixedly connected to the rotating shaft of the worm, the second gear is meshed with a second rack, the second rack is slidably connected to a slide groove, the slide groove is fixedly connected to the outer wall of the disc shell, and the front side of the second rack is fixedly connected to a handle.

[0009] As a further solution of the present invention, a capacity scale is provided on the slideway;

[0010] As a further solution of the present invention, the driving mechanism includes a motor, which is fixedly arranged on a support frame. The output end of the motor is fixedly connected to a transmission shaft, and one end of the transmission shaft away from the motor extends into a disc shell, and the end of the transmission shaft extending into the disc shell is fixedly connected to a swivel.

[0011] As a further solution of the present invention, a switch is installed on the outer side of the disc shell, and the switch is electrically connected to the motor.

[0012] As a further solution of the present invention, the left and right sides of the U-shaped protrusion are symmetrically fixedly connected with oblique rods, and the ends of the oblique rods on the left and right sides away from the U-shaped protrusion are respectively fixedly connected to the left and right sides of the limit plate.

[0013] As a further solution of the present invention, a side of the piston away from the center of the disc shell is arranged as an arc-shaped structure, and a radius of the arc-shaped structure is the same as an inner radius of the circular wall of the disc shell.

[0014] As a further solution of the present invention, a tray is placed on the upper side of the base, and the tray is located directly below the drain pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention can drive the rotating ring to rotate through a driving mechanism, and can make the piston in the measuring cylinder which is aligned with the connecting pipe as the rotating ring rotates down from the outermost end of the measuring cylinder to the set position at the inner end of the measuring cylinder through a push-pull adjustment mechanism, so that the measuring cylinder can suck a fixed amount of liquid medicine from the hopper, and can make the piston in the measuring cylinder which is aligned with the discharge pipe as the rotating ring rotates down from the inner end of the measuring cylinder to the outermost end of the measuring cylinder through a push-pull adjustment mechanism, so that the fixed amount of liquid medicine in the measuring cylinder is completely discharged into the container through the discharge pipe, thereby realizing accurate and rapid continuous measurement of the experimental liquid medicine.

[0017] 2. The present invention can use the push-pull adjustment mechanism to push the piston down from the inner end of the measuring cylinder to the outermost end of the measuring cylinder during the process from the measuring cylinder starting to be aligned with the discharge pipe to the process of being completely aligned with the discharge pipe, and can keep the piston at the outermost end of the measuring cylinder during the process from being completely aligned with the discharge pipe to being completely separated from the discharge pipe, so that the residual liquid medicine on the outer side of the piston will be scraped down by the upper port of the discharge pipe and flow out, thereby further improving the measurement accuracy of the device.

[0018] 3. The present invention can adjust the position of the lifting horizontal rail in the up and down directions through the lifting adjustment component, thereby adjusting the amount of liquid medicine in the hopper to be sucked by the piston that is rotated to align with the connecting pipe, so as to adjust the metering value of the device at any time according to various experimental needs, thereby greatly improving the practicality and applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention from a front left top view;

[0020] Figure 2 for Figure 1 A local enlarged schematic diagram of the middle A;

[0021] Figure 3 It is a cross-sectional schematic diagram of the disc shell and its internal structure from a rear right top view;

[0022] Figure 4 for Figure 3 A partial enlarged schematic diagram of point B in the middle;

[0023] Figure 5 is a cross-sectional view of the component cylinder and its internal structure;

[0024] Figure 6 It is a cross-sectional schematic diagram of the disc shell and its internal structure from the front left top view;

[0025] Figure 7 for Figure 6 A partial enlarged schematic diagram of point C in the middle.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Base; 2. Support frame; 3. Disc shell; 4. Connecting pipe; 5. Hopper; 6. Drain pipe; 7. Swivel; 8. Quantity cylinder; 9. Piston; 10. Slide rod; 11. Limit plate; 12. Spring; 13. U-shaped cam; 14. First arc track; 15. Second arc track; 16. Fixed inclined rail; 17. First movable inclined rail; 18. Lifting horizontal rail; 19. Second movable inclined rail; 20. Telescopic rod; 21. First rack; 22. First gear; 23. Worm wheel; 24. Worm; 25. Second gear; 26. Second rack; 27. Slide groove; 28. Handle; 29. ​​Motor; 30. Transmission shaft; 31. Switch; 32. Inclined rod; 33. Capacity scale; 34. Tray; 35. Fixed seat. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 7 The present invention provides a technical solution: a metering support for drug analysis in a hospital laboratory, comprising a base 1, a support frame 2 is fixedly connected to the rear end of the upper side of the base 1, a disc shell 3 is fixedly connected to the middle of the support frame 2, the disc shell 3 is located directly above the base 1, a connecting pipe 4 is fixedly connected to the upper end of the disc shell 3, a hopper 5 is fixedly connected to the upper end of the connecting pipe 4, the hopper 5 is fixedly connected to the base 1, a drain pipe 6 is fixedly connected to the lower end of the disc shell 3, a rotating ring 7 is rotatably connected in the disc shell 3, the disc shell 3 and the rotating ring 7 are concentrically arranged, and a device for driving the rotating ring 7 to rotate is arranged on the support frame 2 The driving mechanism has a plurality of component cylinders 8 distributed in a circular array fixedly connected to the outer circular wall of the rotating ring 7, the outer end of the component cylinder 8 can be connected to the connecting pipe 4, the outer end of the component cylinder 8 can be connected to the discharge pipe 6, the inner end of the component cylinder 8 is slidably connected to the piston 9, and a push-pull adjustment mechanism is arranged between the disc shell 3 and the plurality of pistons 9. The push-pull adjustment mechanism can push the piston 9 to slide downward to the outer end of the component cylinder 8 during the alignment of the component cylinder 8 with the discharge pipe 6, and the push-pull adjustment mechanism can pull the piston 9 to slide toward the inner end of the component cylinder 8 during the alignment of the component cylinder 8 with the connecting pipe 4.

[0030] When the above scheme is put into actual use, a proper amount of liquid medicine is first poured into the hopper 5, and then the rotating ring 7 is driven to rotate by the driving mechanism, and the rotating ring 7 drives a plurality of portioning cylinders 8 to rotate. Whenever the portioning cylinder 8 rotates to align with the connecting pipe 4 above, the push-pull adjustment mechanism can pull the piston 9 located at the inner and outer ends of the portioning cylinder 8 downward to a set position, so that the portioning cylinder 8 sucks a fixed amount of liquid medicine into the hopper 5 through the connecting pipe 4. Then, the portioning cylinder 8 filled with a fixed amount of liquid medicine rotates toward the discharge pipe 6 below. Whenever the portioning cylinder 8 filled with a fixed amount of liquid medicine rotates to When aligned with the discharge pipe 6 below, the push-pull adjustment mechanism can push the piston 9 in the dividing cylinder 8 downward to contact the inner wall of the disc shell 3, so that the quantitative liquid medicine in the dividing cylinder 8 is all discharged through the discharge pipe 6. A container for containing liquid medicine can be placed under the discharge pipe 6 in advance. When the dividing cylinder 8 has discharged the liquid medicine, it rotates upward to the connecting pipe 4 again. In the process of the dividing cylinder 8 rotating from the discharge pipe 6 to the connecting pipe 4, the push-pull adjustment mechanism can keep the piston 9 at the outermost end of the dividing cylinder 8 during the process, so as to facilitate the dividing cylinder 8 can again draw the liquid medicine in the hopper 5 by pulling down the piston 9; in this way, the device can drive a plurality of portioning cylinders 8 to revolve through the driving mechanism, and the revolving portioning cylinders 8 can draw a fixed amount of liquid medicine into the hopper 5 by pulling down the piston 9 through the push-pull adjustment mechanism, and the portioning cylinder 8 filled with a fixed amount of liquid medicine can push down the piston 9 through the push-pull adjustment mechanism so that all the fixed amount of liquid medicine is discharged through the discharge pipe 6 and loaded into a container prepared in advance; in this way, the device can drive the rotating ring 7 to rotate through the driving mechanism, and can push and pull the adjustment mechanism The structure enables the piston 9 in the measuring cylinder 8 to be pulled down from the outermost end of the measuring cylinder 8 to the set position at the inner end of the measuring cylinder 8 as the rotating ring 7 rotates to be aligned with the connecting pipe 4, so that the measuring cylinder 8 can suck a fixed amount of liquid medicine from the hopper 5, and the push-pull adjustment mechanism can enable the piston 9 in the measuring cylinder 8 to be pushed down from the inner end of the measuring cylinder 8 to the outermost end of the measuring cylinder 8 as the rotating ring 7 rotates to be aligned with the discharge pipe 6, so that the fixed amount of liquid medicine in the measuring cylinder 8 is completely discharged into the container through the discharge pipe 6, thereby realizing accurate, rapid and continuous measurement of the experimental liquid medicine.

[0031] As a further solution of the present invention, the push-pull adjustment mechanism includes a plurality of slide rods 10, the number of slide rods 10 is the same as that of pistons 9, and the plurality of slide rods 10 are fixedly connected to the inner ends of the plurality of pistons 9 respectively, the inner ends of the slide rods 10 extend to the outside of the component cylinder 8, and one end of the slide rod 10 extending to the outside of the component cylinder 8 is fixedly connected to a limiting disk 11, and a spring 12 is sleeved on the outer side of the slide rod 10 between the limiting disk 11 and the component cylinder 8, and one end of the limiting disk 11 away from the slide rod 10 is fixedly connected to a U-shaped boss 13, and the push-pull adjustment mechanism also includes a first arc track 14 and a second arc track 15, the first arc track 14 and the second arc track 15 are both located on the inner side of the swivel 7 and are distributed left and right, the first arc track 14 and the second arc track 15 are both fixedly connected to the inner wall of the disc shell 3, the first arc track 14 and the second arc track 15 are both concentrically arranged with the disc shell 3, and the first arc track 1 A fixed inclined rail 16 is fixedly connected between the lower end of the first curved track 14 and the lower end of the second curved track 15, a first movable inclined rail 17 is rotatably connected to the upper end of the first curved track 14, an end of the first movable inclined rail 17 away from the first curved track 14 is rotatably and slidably connected to a lifting horizontal rail 18, an end of the lifting horizontal rail 18 away from the first movable inclined rail 17 is rotatably connected to a second movable inclined rail 19, an end of the second movable inclined rail 19 away from the lifting horizontal rail 18 is rotatably and slidably connected to the upper end of the second curved track 15, an end of the U-shaped protrusion 13 away from the limiting plate 11 can contact the outer side surfaces of the first curved track 14, the second curved track 15, the fixed inclined rail 16, the first movable inclined rail 17, the lifting horizontal rail 18 and the second movable inclined rail 19, and a lifting adjustment component for adjusting the lifting horizontal rail 18 to slide up and down is provided between the lifting horizontal rail 18 and the disc shell 3.

[0032] When the above scheme is put into actual use, the position of the lifting horizontal rail 18 in the up and down direction can be adjusted in advance by the lifting and adjusting component according to the amount of liquid medicine required for the experiment, so as to set the amount of liquid medicine sucked by the component cylinder 8. When the component cylinder 8 rotates from the upper connecting pipe 4 to the lower discharge pipe 6, the U-shaped protrusion 13 can slide along the outer side of the second arc track 15 as the component cylinder 8 rotates. When the component cylinder 8 rotates from the lower discharge pipe 6 to the upper connecting pipe 4, the U-shaped protrusion 13 slides along the outer side of the first arc track 14. When the component cylinder 8 rotates to start to align with the connecting pipe 4, the U-shaped protrusion 13 starts to slide from the outer side of the first arc track 14 along the outer side of the first movable inclined rail 17 toward the lifting horizontal rail. Rail 18, at this time, the slide rod 10 slides downward under the elastic force of the spring 12, so that the component cylinder 8 starts to suck the liquid medicine, and when the U-shaped protrusion 13 slides to the middle of the lifting horizontal rail 18, the amount of liquid medicine sucked by the component cylinder 8 reaches the maximum value, and when the U-shaped protrusion 13 slides to the end of the lifting horizontal rail 18 close to the second movable inclined rail 19, the amount of medicine in the component cylinder 8 is slightly reduced to the set amount, and at the same time, the outer port of the component cylinder 8 is just completely separated from the lower port of the connecting pipe 4 and blocked by the inner wall of the disc shell 3, and then, the U-shaped protrusion 13 slides to the outer side of the second curved track 15 through the outer side of the second movable inclined rail 19 and slides along the outer side of the second curved track 15 to the fixed inclined rail 16, when the U-shaped protrusion 13 just slides to the fixed inclined rail 16 When the U-shaped projection 13 slides along the outer side of the fixed inclined rail 16, the fixed inclined rail 16 pushes the piston 9 to slide toward the outer end of the component cylinder 8 through the U-shaped projection 13, the limit plate 11 and the slide rod 10, thereby squeezing the liquid medicine in the component cylinder 8 outwards. When the U-shaped projection 13 slides to the connection between the fixed inclined rail 16 and the first curved track 14, the component cylinder 8 is completely aligned with the discharge pipe 6, and the piston 9 slides to the outermost end of the component cylinder 8, so that the quantitative liquid medicine in the component cylinder 8 is completely discharged through the discharge pipe 6. Then, the U-shaped projection 13 slides along the outer side of the first curved track 14 toward the upward connecting pipe 4. In the process of aligning with the discharge pipe 6 to completely separating from the discharge pipe 6, the residual medicine liquid on the outer side surface of the piston 9 will be scraped down and flowed out by the upper port of the discharge pipe 6, and then the dividing cylinder 8 that continues to revolve will perform the next round of quantitative extraction and discharge of medicine liquid; in this way, the device can use the push-pull adjustment mechanism to push the piston 9 down from the inner end of the dividing cylinder 8 to the outermost end of the dividing cylinder 8 in the process of the dividing cylinder 8 aligning with the discharge pipe 6 to completely aligning with the discharge pipe 6, and in the process of the dividing cylinder 8 being completely aligned with the discharge pipe 6 to being completely separated from the discharge pipe 6, the piston 9 is always located at the outermost end of the dividing cylinder 8, so that the residual medicine liquid on the outer side surface of the piston 9 will be scraped down and flowed out by the upper port of the discharge pipe 6, thereby further improving the measurement accuracy of the device;The device can adjust the position of the lifting horizontal rail 18 in the up and down direction through the lifting adjustment component, so as to adjust the amount of liquid medicine in the hopper 5 sucked by the piston 9 that rotates to align with the connecting pipe 4, so as to adjust the metering value of the device at any time according to various experimental needs, which greatly improves the practicality and applicability of the device. ;

[0033] As a further solution of the present invention, the lifting and adjusting assembly includes a fixed seat 35, which is located below the lifting horizontal rail 18, the fixed seat 35 is fixedly connected to the inner wall of the disc shell 3, a telescopic rod 20 is arranged between the fixed seat 35 and the lifting horizontal rail 18, the fixed end of the telescopic rod 20 is fixedly connected to the fixed seat 35, and the free end of the fixed seat 35 is fixedly connected to the lifting horizontal rail 18, the fixed seat 35 is slidably connected with a first rack 21 in the up and down directions, the first rack 21 is fixedly connected to the lifting horizontal rail 18, the first rack 21 is meshed with a first gear 22, the first gear 22 is rotatably connected to the fixed seat 35, the rotating shaft of the first gear 22 is fixedly connected with a worm gear 23, the worm gear 23 is meshed with a worm 24, the worm 24 is rotatably connected to the fixed seat 35, the rotating shaft of the worm gear 24 extends outside the disc shell 3, and a manual adjustment unit is arranged between the rotating shaft of the worm gear 24 and the outer wall of the disc shell 3, and the manual adjustment unit can adjust the position of the lifting horizontal rail 18 in the up and down directions by rotating the worm gear 24.

[0034] When the above scheme is put into actual use, the worm 24 can be driven to rotate by the manual adjustment unit, the worm 24 drives the worm wheel 23 to rotate, the worm wheel 23 drives the first gear 22 to rotate, the first gear 22 drives the first rack 21 to slide, and the first rack 21 drives the lifting horizontal rail 18 to slide up or down, thereby adjusting the final amount of liquid medicine sucked by the piston 9.

[0035] As a further solution of the present invention, the manual adjustment unit includes a second gear 25, which is fixedly connected to the rotating shaft of the worm 24, the second gear 25 is meshed with a second rack 26, the second rack 26 is slidably connected with a slide groove 27, the slide groove 27 is fixedly connected to the outer wall of the disc shell 3, and the front side of the second rack 26 is fixedly connected with a handle 28.

[0036] When the above solution is put into actual use, the handle 28 can be manually pushed, the handle 28 drives the second rack 26 to slide, the second rack 26 drives the second gear 25 to rotate, and the second gear 25 rotates the worm 24 to rotate, thereby adjusting the final amount of liquid medicine sucked by the piston 9.

[0037] As a further solution of the present invention, a capacity scale 33 is provided on the slide groove 27; during operation, the final amount of liquid medicine sucked by the piston 9 can be accurately controlled by setting the capacity scale 33.

[0038] As a further solution of the present invention, the driving mechanism includes a motor 29, which is fixedly arranged on the support frame 2. The output end of the motor 29 is fixedly connected to a transmission shaft 30. The end of the transmission shaft 30 away from the motor 29 extends into the disc shell 3. The end of the transmission shaft 30 extending into the disc shell 3 is fixedly connected to the swivel 7. During operation, the motor 29 is started, the motor 29 drives the transmission shaft 30 to rotate, and the transmission shaft 30 drives the swivel 7 to rotate clockwise.

[0039] As a further solution of the present invention, a switch 31 is installed on the outer side of the disc shell 3, and the switch 31 is electrically connected to the motor 29; during operation, the motor 29 is started or turned off by pressing the switch 31.

[0040] As a further solution of the present invention, the U-shaped protrusion 13 is symmetrically fixedly connected with inclined rods 32 on the left and right sides, and the ends of the inclined rods 32 on the left and right sides away from the U-shaped protrusion 13 are respectively fixedly connected to the left and right sides of the limit plate 11; during operation, the setting of the inclined rods 32 can prevent direct collision between the two sides of the limit plate 11, thereby improving the smoothness of the sliding of the U-shaped protrusion 13.

[0041] As a further solution of the present invention, the side of the piston 9 away from the center of the disc shell 3 is set to an arc-shaped structure, and the radius of the arc-shaped structure is the same as the inner radius of the circular wall of the disc shell 3; during operation, the radius of the arc-shaped structure is the same as the inner radius of the circular wall of the disc shell 3, so that the piston 9 can completely squeeze the medicine liquid in the portion cylinder 8 into the discharge pipe 6.

[0042] As a further solution of the present invention, a tray 34 is placed on the upper side of the base 1 , and the tray 34 is located directly below the drain pipe 6 ; during operation, the tray 34 can be used to collect accidentally spilled liquid medicine.

[0043] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metering bracket for drug analysis in hospital laboratories, characterized in that: The invention comprises a base (1), wherein the rear end of the upper side of the base (1) is fixedly connected to a support frame (2), the middle part of the support frame (2) is fixedly connected to a disc shell (3), the disc shell (3) is located directly above the base (1), the upper end of the disc shell (3) is fixedly connected to a connecting pipe (4), the upper end of the connecting pipe (4) is fixedly connected to a hopper (5), the hopper (5) is fixedly connected to the base (1), the lower end of the disc shell (3) is fixedly connected to a discharge pipe (6), a rotating ring (7) is rotatably connected inside the disc shell (3), the disc shell (3) and the rotating ring (7) are concentrically arranged, and a driving mechanism for driving the rotating ring (7) to rotate is arranged on the support frame (2), the rotating ring (7) is fixedly connected to the base (1), and the rotating ring (7) is fixedly connected to the base (1). A plurality of component cylinders (8) distributed in a circumferential array are fixedly connected to the outer circular wall of the ring (7); the outer end of the component cylinder (8) can be connected to the connecting pipe (4); the outer end of the component cylinder (8) can be connected to the discharge pipe (6); the inner end of the component cylinder (8) is slidably connected to the piston (9); a push-pull adjustment mechanism is provided between the disc shell (3) and the plurality of pistons (9); the push-pull adjustment mechanism can push the piston (9) to slide downward to the outer end of the component cylinder (8) during the process of aligning the component cylinder (8) with the discharge pipe (6); and the push-pull adjustment mechanism can pull the piston (9) to slide toward the inner end of the component cylinder (8) during the process of aligning the component cylinder (8) with the connection pipe (4);The push-pull adjustment mechanism comprises a plurality of slide rods (10), the number of the slide rods (10) being the same as the number of the pistons (9), the plurality of slide rods (10) being fixedly connected to the inner ends of the plurality of pistons (9), the inner ends of the slide rods (10) extending outside the component cylinder (8), one end of the slide rod (10) extending outside the component cylinder (8) being fixedly connected to a limit plate (11), the outer side of the slide rod (10) being sleeved with a spring (12) between the limit plate (11) and the component cylinder (8), the limit plate (11) being away from the component cylinder (8), and the limit plate (11) being spaced apart from the component cylinder (8). One end of the slide bar (10) is fixedly connected to a U-shaped protrusion (13), and the push-pull adjustment mechanism also includes a first arc track (14) and a second arc track (15), the first arc track (14) and the second arc track (15) are both located on the inner side of the rotating ring (7) and are distributed on the left and right sides, the first arc track (14) and the second arc track (15) are both fixedly connected to the inner wall of the disc shell (3), the first arc track (14) and the second arc track (15) are both concentrically arranged with the disc shell (3), and the first arc track (14) and the second arc track (15) are both arranged on the inner side of the disc shell (3). A fixed inclined rail (16) is fixedly connected between the lower end of the track (14) and the lower end of the second curved track (15); the upper end of the first curved track (14) is rotatably connected to a first movable inclined rail (17); an end of the first movable inclined rail (17) away from the first curved track (14) is rotatably and slidably connected to a lifting horizontal rail (18); an end of the lifting horizontal rail (18) away from the first movable inclined rail (17) is rotatably connected to a second movable inclined rail (19); and the second movable inclined rail (19) away from the lifting horizontal rail (18) is rotatably connected to a second movable inclined rail (19). One end of the flat rail (18) is rotatably and slidably connected to the upper end of the second arc-shaped rail (15); the end of the U-shaped protrusion (13) away from the limiting plate (11) can contact the outer side surfaces of the first arc-shaped rail (14), the second arc-shaped rail (15), the fixed inclined rail (16), the first movable inclined rail (17), the lifting horizontal rail (18) and the second movable inclined rail (19); and a lifting adjustment component for adjusting the lifting horizontal rail (18) to slide up and down is provided between the lifting horizontal rail (18) and the disc shell (3);The lifting and lowering adjustment assembly comprises a fixed seat (35), the fixed seat (35) being located below the lifting horizontal rail (18), the fixed seat (35) being fixedly connected to the inner wall of the disc shell (3), a telescopic rod (20) being arranged between the fixed seat (35) and the lifting horizontal rail (18), the fixed end of the telescopic rod (20) being fixedly connected to the fixed seat (35), the free end of the fixed seat (35) being fixedly connected to the lifting horizontal rail (18), the fixed seat (35) being slidably connected to a first rack (21) in the up-and-down direction, the first rack (21) being fixedly connected to the lifting horizontal rail (18), the first rack (21) being meshed with a first gear (22), the first gear (22) being rotationally connected to the fixed seat (35), the rotation shaft of the first gear (22) being fixedly connected to a worm gear (21). 3), the worm wheel (23) is meshed with a worm (24), the worm (24) is rotatably connected to a fixed seat (35), the rotation axis of the worm (24) extends outside the disc shell (3), a manual adjustment unit is provided between the rotation axis of the worm (24) and the outer wall of the disc shell (3), the manual adjustment unit can adjust the position of the lifting horizontal rail (18) in the up and down direction by rotating the worm (24); the manual adjustment unit comprises a second gear (25), the second gear (25) is fixedly connected to the rotation axis of the worm (24), the second gear (25) is meshed with a second rack (26), the second rack (26) is slidably connected to a slide groove (27), the slide groove (27) is fixedly connected to the outer wall of the disc shell (3), and the front side of the second rack (26) is fixedly connected to a handle (28). ; 2. A metering bracket for drug analysis in hospital laboratories according to claim 1, characterized in that: The slide groove (27) is provided with a capacity scale (33).

3. A metering bracket for drug analysis in hospital laboratories according to claim 1, characterized in that: The driving mechanism comprises a motor (29), the motor (29) being fixedly arranged on the support frame (2), the output end of the motor (29) being fixedly connected to a transmission shaft (30), one end of the transmission shaft (30) away from the motor (29) extending into the disc shell (3), and the end of the transmission shaft (30) extending into the disc shell (3) being fixedly connected to a rotating ring (7).

4. A metering bracket for drug analysis in hospital laboratories according to claim 3, characterized in that: A switch (31) is installed on the outside of the disc shell (3), and the switch (31) is electrically connected to the motor (29).

5. A metering bracket for drug analysis in hospital laboratories according to claim 1, characterized in that: The left and right sides of the U-shaped protrusion (13) are symmetrically fixedly connected with oblique rods (32), and the ends of the oblique rods (32) on the left and right sides away from the U-shaped protrusion (13) are respectively fixedly connected to the left and right sides of the limit plate (11).

6. A metering bracket for drug analysis in hospital laboratories according to claim 1, characterized in that: The side of the piston (9) away from the center of the disc shell (3) is arranged as an arc-shaped structure, and the radius of the arc-shaped structure is the same as the inner radius of the circular wall of the disc shell (3).

7. A metering bracket for drug analysis in hospital laboratories according to claim 1, characterized in that: A tray (34) is placed on the upper side of the base (1), and the tray (34) is located directly below the drain pipe (6).

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