CN115888545B - Medicine drip mixing device for clinical injection - Google Patents
Medicine drip mixing device for clinical injection Download PDFInfo
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- CN115888545B CN115888545B CN202310147164.6A CN202310147164A CN115888545B CN 115888545 B CN115888545 B CN 115888545B CN 202310147164 A CN202310147164 A CN 202310147164A CN 115888545 B CN115888545 B CN 115888545B
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Abstract
The invention discloses a medicine drip mixing device for clinical injection, which comprises a medicine powder box arranged above a mixing box, wherein a cover plate is arranged on the top of the mixing box in a sealing way, two first medicine containing plates and second medicine containing plates with the same specification are symmetrically arranged below the cover plate, and groove bodies are formed at the tops of the first medicine containing plates and the second medicine containing plates; the medicine powder in the groove body is poured into the mixing box through the rotation of the first medicine containing plate and the second medicine containing plate in the direction away from each other, and the first medicine containing plate and the second medicine containing plate rotate along the central axis of the vertical direction. According to the invention, the medicine powder in the medicine powder box is fed to the two medicine containing plates, the medicine powder on the groove body can be fully contacted with the liquid by controlling the reciprocating swing of the first medicine containing plate and the second medicine containing plate, so that the medicine powder can be fully dissolved, the medicine powder is prevented from being attached to the groove body, the medicine liquid can be stirred by the reciprocating swing of the first medicine containing plate and the second medicine containing plate, and the mixing effect of the first medicine containing plate and the second medicine containing plate is further improved.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a medicine drip mixing device for clinical injection.
Background
The medical drug can be directly injected into the vein by the way of infusion, the drug effect of the infusion is quick, and other therapeutic drugs are required to be mixed into the infusion for intravenous injection when in use. Some drugs with high irritation have high liquid concentration in injection, and especially powder drugs, if they are not sufficiently dissolved, they may irritate blood vessels or cause discomfort, so that it is necessary to mix the powder and the drug solution sufficiently. The traditional mixing device is that the powder tank is used for pouring the powder into the liquid medicine through a pipeline after metering, but a small amount of powder is attached to the pipe wall when flowing in the pipeline, so that resource waste is caused, if the powder in the powder tank does not pass through the pipeline, but directly falls into the liquid medicine, although the waste of the powder can be avoided, the powder firstly stays on the surface of the liquid medicine when being poured, then begins to sink into the liquid for diffusion dissolution, and if the powder cannot be uniformly spread on the liquid surface, especially when more powder is added at one time, the problem that the powder is hard to dissolve is caused.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a medicine drip mixing device for clinical injection.
In order to achieve the above purpose, the present invention provides the following technical solutions: the medicine drip mixing device for clinical injection comprises a medicine powder box arranged above a mixing box, wherein the discharge end of the medicine powder box is communicated with the inside of the mixing box, medicine liquid is injected into the mixing box, the top of the mixing box is provided with a cover plate in a sealing manner, and the center of the cover plate is provided with a through hole for communicating the medicine powder box with the mixing box; the two medicine containing plates are symmetrically arranged below the cover plate, the tops of the first medicine containing plate and the second medicine containing plate are respectively provided with a groove, and when the first medicine containing plate and the second medicine containing plate are in a horizontal state, the two grooves are communicated, and medicine powder contained in the medicine powder box falls into the two grooves through the through holes in the cover plate; the medicine powder in the groove body is poured into the mixing box through the rotation of the first medicine containing plate and the second medicine containing plate in the direction away from each other, after the first medicine containing plate and the second medicine containing plate rotate to the vertical state, the groove bodies of the first medicine containing plate and the second medicine containing plate can be fully immersed into the medicine liquid, and the first medicine containing plate and the second medicine containing plate rotate along the central axis of the vertical direction.
Preferably, the top of the cover plate is symmetrically distributed with two transmission boxes on two sides of the medicine powder box, a fixing seat with a U-shaped structure is fixed inside each transmission box, a second rotating shaft is rotatably installed at the vertical part of the fixing seat downwards penetrating through the cover plate, a connecting plate is rotatably sleeved outside the second rotating shaft, and the first medicine containing plate/the second medicine containing plate are abutted with the connecting plate and are mutually adsorbed and connected through magnetic force;
the middle part of the second rotating shaft is sheathed with an outer sleeve in a sliding way along the direction perpendicular to the axis of the second rotating shaft, one end of the outer sleeve penetrates through the connecting plate and then is connected with the first medicine containing plate/the second medicine containing plate, the other end of the outer sleeve is contracted inwards along the radial direction and then extends into an arc-shaped positioning sleeve in the transmission case, and the extending end is fixedly connected with a limiting sphere and a worm wheel in sequence in the arc-shaped positioning sleeve;
the section of the arc-shaped positioning sleeve is matched with the limiting sphere and the worm wheel, the bottom of the arc-shaped positioning sleeve is fixedly connected with the cover plate, and the top of the arc-shaped positioning sleeve extends to the top end of the fixing seat along the edge; the top of fixing base still erects two connecting axles, is connected with between two connecting axles and is used for with worm wheel engaged with worm, when first flourishing medicine board/second flourishing medicine board rotated to vertical state by the horizontality, in the breach of seting up at the fixing base middle part was rotated at the top of outer tube, wherein spacing spheroid and breach form joint structure, and worm wheel then keeps the meshing with the worm.
Preferably, the extending end of any connecting shaft in each transmission case extends to the outside of the transmission case and is fixedly sleeved with a gear, the top of the cover plate is also provided with two fixing plates, the outer side end of the fixing plate, which is close to one side of the gear, is provided with two racks, and the two racks are tangent to the top and the bottom of the two gears respectively and keep meshed;
one ends of the two racks, which are close to each other, are connected through a vertical rod, a sliding groove is formed in the vertical rod along the length direction of the vertical rod, a first rotating shaft is rotationally connected to the end face of the fixed plate, which is positioned below the vertical rod, and is in driving connection with a first motor fixed on the cover plate, a swinging rod is sleeved outside the first rotating shaft, and a first sliding block connected with the tail end of the swinging rod is slidably embedded in the sliding groove;
the side face of each transmission case is provided with a sliding rail for sliding racks, and the two racks and the vertical rod form an integral structure and then are in sliding fit with the transmission case through the two sliding rails.
Preferably, the guide slot penetrating through the plate surface of the fixing plate is formed in the plate surface of the fixing plate along the length direction of the fixing plate, a guide rod is connected to the guide slot, the back of the vertical rod is connected with a second sliding block in an integrated mode, the second sliding block is sleeved on the guide rod in a sliding mode, springs are respectively arranged between two ends of the second sliding block and two ends of the guide slot, and the springs are sleeved on the guide rod in a sleeved mode.
Preferably, the periphery of the through hole at the top of the cover plate is fixedly provided with a medicine guiding frame, and the discharging end at the bottom of the medicine powder box extends into the medicine guiding frame; a supporting frame is arranged between the two transmission boxes, and the medicine powder box is detachably arranged on the supporting frame.
Preferably, the bottom of the first medicine containing plate extends to a direction approaching to the second medicine containing plate to form an extending plate.
Preferably, the inner part of the outer sleeve is sheathed with a sliding column along the axial sliding of the sliding column, the sliding column is connected to the limiting sphere after extending to the outer part of the outer sleeve, a plurality of ribs are annularly distributed on the circumferential surface of the sliding column, a plurality of rib grooves are correspondingly formed in the inner wall of the sliding column, the sliding column is in limiting sliding connection with the outer sleeve through the matching of the ribs and the rib grooves, and the height of the first medicine containing plate/the second medicine containing plate in the mixing box is adjusted through the sliding column relative to the outer sleeve along the axial sliding of the sliding column.
Preferably, a clamping groove is formed at the position of each rib close to the opening side of the outer sleeve, a clamping block is elastically mounted on the opening side of the outer sleeve along the radial direction, the clamping groove and the clamping block form a clamping structure, and the magnetic force between the first medicine containing plate/the second medicine containing plate and the cover plate can enable the clamping groove and the clamping block to complete the clamping action.
Preferably, one end of the outer sleeve, which is close to the limiting sphere, is radially fixed with a ring plate, the inner side of the fixed seat is provided with a positioning ring pipe corresponding to the rotating path of the ring plate, and two ends of the positioning ring pipe are connected with piston ends of two cylinders arranged on the top of the fixed seat;
the positioning ring pipe is in a semicircular tubular structure, and the height of the inside of the positioning ring pipe is larger than the thickness of the ring plate, so that the ring plate rotates into the positioning ring pipe.
Preferably, one end of the sliding column, which faces the first medicine containing plate/the second medicine containing plate, is fixedly connected with a limiting plate, a plurality of arc-shaped stop plates with the same diameter as the limiting plate are annularly distributed at the position, close to the annular plate, on the inner wall of the outer sleeve, and the arc-shaped stop plates and the rib grooves are distributed in a staggered mode.
Compared with the prior art, the invention provides a medicine drip mixing device for clinical injection, which has the following beneficial effects:
(1) According to the invention, the first medicine containing plate and the second medicine containing plate are arranged at the positions below the cover plate corresponding to the through holes, the weighed medicine powder in the medicine powder box enters the groove bodies of the first medicine containing plate and the second medicine containing plate, the first medicine containing plate and the second medicine containing plate rotate towards the directions far away from each other, and along with the continuous slow rotation of the first medicine containing plate and the second medicine containing plate, the medicine powder continuously slides from the groove bodies to the inside of the mixing box, so that the medicine powder is uniformly sprinkled on the liquid surface, the medicine powder is prevented from agglomerating, and the quick sedimentation and diffusion of the medicine powder in the liquid surface are promoted, so that the dissolution efficiency is accelerated. Meanwhile, the medicine powder on the tank body can be fully contacted with the liquid by controlling the reciprocating swing of the first medicine containing plate and the second medicine containing plate, so that the medicine powder can be fully dissolved, the medicine powder is prevented from being attached to the tank body, the stirring of the medicine liquid can be realized by the reciprocating swing of the first medicine containing plate and the second medicine containing plate, and the mixing effect of the medicine liquid and the liquid is further improved.
(2) When the medicine powder on the first medicine containing plate and the second medicine containing plate are completely mixed inside the medicine liquid, the first motor can drive the first motor and the second motor to synchronously rotate reversely in the vertical direction when the first medicine containing plate and the second medicine containing plate are rotated to be in a vertical state, so that disturbance on different directions of the medicine liquid is formed, and particularly, the first medicine containing plate is further provided with an extension plate, interference generated when the first medicine containing plate and the second medicine containing plate rotate can be avoided, and the stirring action area can be enlarged. The invention also fully utilizes the inertia of the liquid medicine in the rotating process, so that the first medicine containing plate and the second medicine containing plate periodically perform forward and reverse rotation, thereby generating irregular flow of the liquid medicine and greatly improving the mixing effect of the liquid medicine and the medicine powder.
(3) The first medicine containing plate and the second medicine containing plate can be adjusted in position along the vertical direction in the mixing box, so that the whole device can be suitable for the proportion of different liquid medicines on the premise of not affecting the mixing effect, and the application range of the whole device is further improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the invention and do not constitute a limitation to the invention, and in which:
FIG. 1 is a schematic view of the structure of the entire mixing device at a first angle in the embodiment;
fig. 2 is a schematic distribution diagram of each structure on the cover plate in the embodiment, and the powder box is not shown in the figure;
FIG. 3 is a schematic view showing the installation of two racks and a vertical rod on a fixed plate in the embodiment;
FIG. 4 is a schematic view of two drug holding plates in a drug holding state inside a mixing box according to an embodiment;
FIG. 5 is a schematic diagram illustrating the installation of a drug delivery frame on a cover plate according to an embodiment;
FIG. 6 is a schematic view of two drug containing plates rotated to a vertical state inside a mixing box in an embodiment;
FIG. 7 is a schematic view of the structure of the inside of the transmission case in the embodiment;
FIG. 8 is a schematic view of a transmission case in three dimensions taken in the width direction in an embodiment;
fig. 9 is a schematic diagram showing connection between the first medicine containing plate and the fixing base in a vertical state during rotation in the embodiment;
FIG. 10 is a schematic view of the positioning collar distributed on the fixing base in the embodiment;
FIG. 11 is a schematic three-dimensional cross-sectional view of an embodiment of the coupling of an outer sleeve and a sliding post;
fig. 12 is a schematic view showing the structure of the inside of the outer tube in the embodiment.
In the figure: 1. a mixing box; 2. a transmission case; 3. a medicine powder box; 4. a support frame; 5. a fixing plate; 6. a first motor; 7. a medicine guiding frame; 8. a gear; 9. a rack; 10. a chute; 11. a first slider; 12. a swinging rod; 13. a first rotation shaft; 14. a second slider; 15. a guide rod; 16. a spring; 17. a slide rail; 18. a cover plate; 19. a first medicine containing plate; 20. a second medicine containing plate; 21. a tank body; 22. an extension plate; 23. an arc-shaped positioning sleeve; 24. a support rod; 25. a fixing seat; 26. a worm; 27. a connecting shaft; 28. a connecting plate; 29. an outer sleeve; 30. a second rotation shaft; 31. a ring plate; 32. limiting spheres; 33. a worm wheel; 34. a cylinder; 35. a notch; 36. positioning a ring pipe; 37. a sliding column; 38. a limiting plate; 39. ribs; 40. a clamping groove; 41. a rib groove; 42. an arc-shaped stop plate; 43. and (5) clamping blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
The embodiment provides a medicine drip mixing device for clinical injection, which is mainly used for fully and uniformly mixing powdery medicine powder and liquid medicine liquid, as shown in fig. 1 to 12, and comprises a mixing box 1 and a medicine powder box 3, wherein the top of the mixing box 1 is sealed with a cover plate 18, as shown in fig. 4, the center of the cover plate 18 is provided with a through hole for the powdery medicine to fall into the mixing box 1, the side part of the mixing box 1 is communicated with a conveying pipe for the medicine liquid to be input into the mixing box 1, the bottom is provided with a liquid outlet valve, and the medicine liquid can be normally used through the liquid outlet valve after being uniformly mixed. The bottom of powder case 3 corresponds with this through-hole, and the blanking is inside mixing box 1 after weighing the powder that will want, in order to avoid powder to spill on apron 18 at blanking in-process, is fixed with and leads medicine frame 7 in the through-hole periphery at apron 18 top, and as shown in fig. 1, fig. 2, the blanking end of powder case 3 bottom directly stretches into and leads in the medicine frame 7 to the discharge end of powder case 3 is the toper structure. Because this mixing arrangement is applicable to the mixing of different kinds of powder and liquid medicine, so in order to be convenient for change powder case 3, this application is equipped with a support frame 4 at the mount between two transmission case 2, and the cross-section size of support frame 4 is B, and two upper and lower cross-section sizes of the discharge end of powder case 3 toper structure are A and C respectively, and set for A < B < C, when needs are to mix the inside injection powder of case 1, directly with powder case 3 place on support frame 4 can.
As shown in fig. 4, two first medicine containing plates 19 and second medicine containing plates 20 with the same specification are symmetrically arranged below the cover plate 18, groove bodies 21 are formed at the tops of the first medicine containing plates 19 and the second medicine containing plates 20, and when the first medicine containing plates 19 and the second medicine containing plates 20 are in a horizontal state, the two groove bodies 21 are communicated, and the sum of the cross sections of the two groove bodies 21 is kept consistent with the cross section of the through hole, so that medicine powder in the medicine powder box 3 falls into the two groove bodies 21. The first medicine containing plate 19 and the second medicine containing plate 20 can rotate towards the direction close to or far away from each other, after the target quantity of medicine powder is obtained in the groove body 21 of the first medicine containing plate 19 and the second medicine containing plate 20, the first medicine containing plate 19 and the second medicine containing plate 20 rotate towards the direction far away from each other, along with the slow rotation of the first medicine containing plate 19 and the second medicine containing plate 20, the medicine powder slides down into the mixing box 1 from the groove body 21, and the finally formed effect is that the medicine powder is evenly spread on the liquid level of the medicine liquid, so that the quick sedimentation of the medicine powder from top to bottom can be promoted, and the dissolving speed can be accelerated. The first medicine containing plate 19 and the second medicine containing plate 20 in the application can extend into the medicine liquid in the rotating process, so that a stirring effect is formed on the medicine liquid, the medicine liquid flows from the middle to the two sides, and when the first medicine containing plate 19 and the second medicine containing plate 20 rotate to the position shown in fig. 6, the liquid level in the mixing box 1 is located above the top of the groove body 21, so that all medicine powder contained in the groove body 21 can be dissolved by contacting with the medicine liquid.
In the actual operation process, the first medicine containing plate 19 and the second medicine containing plate 20 can be reciprocated, namely, the first medicine containing plate 19 and the second medicine containing plate 20 are rotated to a vertical state from a horizontal state towards a direction far away from each other, and then are rotated to the horizontal state from the vertical state, so that the medicine powder and the medicine liquid in the tank body 21 can be fully contacted and dissolved continuously for several times, the waste of resources caused by the adhesion of the medicine powder in the tank body 21 is avoided, and the first medicine containing plate 19 and the second medicine containing plate 20 can stir the mixture.
On the basis of the above scheme, when the first medicine containing plate 19 and the second medicine containing plate 20 in the application rotate to the state shown in fig. 6, coordinates are established by the geometric centers of the first medicine containing plate and the second medicine containing plate, and the first medicine containing plate and the second medicine containing plate can do circular motion along the Z axis, so that medicine liquid can be stirred, and medicine powder and medicine liquid can be mixed. In addition, because the first medicine containing plate 19 and the second medicine containing plate 20 have a certain distance from the bottom of the mixing box 1, and in order to further increase the stirring action area, the first medicine containing plate 19 in the present application extends in the direction close to the second medicine containing plate 20 to form an extension plate 22, as shown in fig. 6, when the first medicine containing plate 19 and the second medicine containing plate 20 rotate to the vertical state, the extension plate 22 can extend into the position close to the bottom of the mixing box 1, and further can achieve the effect of full stirring, and the extension plate 22 adopts such a structure, not only can achieve the stirring effect, but also can not interfere with each other in the process that the first medicine containing plate 19 and the second medicine containing plate 20 rotate from the vertical state to the horizontal state.
Specifically, as shown in fig. 7, 8 and 9, a fixed seat 25 with a U-shaped structure is fixed in the transmission case 2, a second rotating shaft 30 is installed at a vertical portion of the fixed seat 25 and penetrates through the cover plate 18, and the second rotating shaft 30 is rotatably connected with the fixed seat 25 and is driven by a second motor (the second motor is not shown in the drawings) fixed on the outer side of the fixed seat 25. The connecting plate 28 is sleeved outside the second rotating shaft 30 in a rotating way, the first medicine containing plate 19/the second medicine containing plate 20 are connected with the connecting plate 28 in an abutting mode, the abutting part of the first medicine containing plate and the second medicine containing plate is made of magnetic materials, and the first medicine containing plate and the second medicine containing plate can be kept in an mutually adsorbed state under the action of magnetic force. The middle part of the second rotation shaft 30 is slidably sleeved with an outer sleeve 29 along the direction perpendicular to the axis of the second rotation shaft, one end of the outer sleeve 29 penetrates through a connecting plate 28 and then is connected with a first medicine containing plate 19/a second medicine containing plate 20, the other end of the outer sleeve 29 is reduced in diameter and then extends into an arc-shaped positioning sleeve 23, the extending end is sequentially and fixedly connected with a limiting ball 32 and a worm gear 33 in the arc-shaped positioning sleeve 23, the whole cross section of the arc-shaped positioning sleeve 23 is matched with the limiting ball 32 and the worm gear 33, the whole radian of the whole cross section of the arc-shaped positioning sleeve is 90 degrees, so that the first medicine containing plate 19 and the second medicine containing plate 20 can swing from a horizontal state to a vertical state, and the periphery of the arc-shaped positioning sleeve 23 is supported and fixed in the transmission case 2 through a plurality of support rods 24. The bottom of the arc-shaped locating sleeve 23 is fixedly connected with the cover plate 18, the top of the arc-shaped locating sleeve extends to the top end of the fixed seat 25, two connecting shafts 27 are further erected on the top of the fixed seat 25, and the two connecting shafts 27 are connected through a worm 26. When the first medicine containing plate 19/the second medicine containing plate 20 repeatedly swings for several times to stir the medicine liquid, the two plates rotate to a vertical state, and at this time, the limit ball 32 and the worm gear 33 extend out from the top of the arc-shaped positioning sleeve 23 and rotate to the upper part of the fixed seat 25. It should be noted that, as shown in fig. 10 and 11, the smaller diameter portion of the extending end of the outer sleeve 29 enters the notch 35, but the end of the outer sleeve 29 is connected with the limiting ball 32, so that the notch 35 is in a groove shape, the limiting ball 32 can smoothly pass through the notch 35 and be placed above the fixing seat 25, and the limiting ball 32 can form a stop effect on the outer sleeve 29 in the vertical direction after being placed above the fixing seat 25. The worm wheel 33 is just in contact with the worm 26 to be meshed, the worm wheel 33, the outer sleeve 29 and the first medicine containing plate 19/second medicine containing plate 20 are driven to rotate by the rotation of the worm 26, and the rotation power of the first medicine containing plate 19/second medicine containing plate 20 can break loose the adsorption of the connecting plate 28, so that the first medicine containing plate 19/second medicine containing plate 20 can do circular motion along the Z axis.
When the first medicine containing plate 19 and the second medicine containing plate 20 in the application rotate along the Z axis, the two medicine containing plates can synchronously rotate in the same direction, but stirring effect caused by synchronous reverse rotation is obviously better, therefore, the gear 8 is fixedly sleeved after the extending end of any connecting shaft 27 in each transmission case 2 extends to the outside of the transmission case 2, two fixing plates 5 are arranged on the top of the cover plate 18, which is positioned on the outer side of the medicine guiding frame 7, in the vertical direction, as shown in fig. 3 and 5, two ends of each fixing plate 5 are respectively connected with two transmission cases 2, two racks 9 are arranged on the outer side end of the fixing plate 5, which is close to one side of the gear 8, are respectively tangent to the top and the bottom of the two gears 8 and keep meshed, one end of each rack 9, which is close to each other, is connected with a vertical rod through a vertical rod, a sliding chute 10 is formed in the inside of the vertical rod along the length direction, a first rotating shaft 13 is rotatably connected with the lower part positioned on the end face of the fixing plate 5, the first rotating shaft 13 is connected with a first motor 6 fixed on the 18, two racks 9 are arranged on the side face of each transmission case 2, and two racks 9 are respectively matched with the two sliding rails 17 in the sliding way, and the two racks 9 are formed on the side face of each transmission case 2. When the first motor 6 drives the first rotating shaft 13 to rotate, the swinging rod 12 fixedly sleeved outside the first rotating shaft 13 rotates, and the first sliding block 11 at the tail end of the swinging rod 12 is embedded in the sliding groove 10, so that the swinging rod 12 acts on the vertical rod to slide along the horizontal direction when rotating, and finally, the first medicine containing plate 19 and the second medicine containing plate 20 do synchronous and reverse circular motion in the Z-axis direction. In order to fully utilize the inertia of the liquid flowing in the mixing box 1, the first motor 6 in the application periodically rotates forward and backward, so as to drive the first medicine containing plate 19 and the second medicine containing plate 20 to periodically rotate forward and backward in the mixing box 1, and the liquid medicine is mixed to the greatest extent.
After the first medicine containing plate 19 and the second medicine containing plate 20 are stirred, the front faces of the groove bodies 21 of the first medicine containing plate and the second medicine containing plate are guaranteed to face each other, so that the first medicine containing plate and the second medicine containing plate can rotate towards each other from a vertical state to a horizontal state, and the first medicine containing plate and the second medicine containing plate can be used normally next time. In order to achieve the purpose, as shown in fig. 3, the fixing plate 5 is further provided with a guide groove penetrating through the plate surface along the length direction, a guide rod 15 is connected to the guide groove, the back of the vertical rod is connected with a second slide block 14 in an integrated manner, the second slide block 14 is slidably sleeved on the guide rod 15, springs 16 are respectively arranged between two ends of the second slide block 14 and two ends of the guide groove, and the springs 16 are sleeved on the guide rod 15. When the first medicine containing plate 19 and the second medicine containing plate 20 are stirred, the first motor 6 stops acting, the vertical rods return to the middle part of the guide groove under the acting force of the two springs 16, the first medicine containing plate 19 and the second medicine containing plate 20 also just rotate to face towards each other along the Z axis, and the first medicine containing plate 19 and the second medicine containing plate 20 can smoothly rotate to the horizontal state.
The scene that above-mentioned scheme is suitable for is that the liquid medicine that holds in the mixing box 1 is many, and when first flourishing medicine board 19 and second flourishing medicine board 20 rotated to vertical state, the liquid medicine liquid level in the mixing box 1 inside can be abundant with cell body 21 meet department (sometimes the liquid level can even with first flourishing medicine board 19, second flourishing medicine board 20 top flush), can guarantee like this that powder carries out abundant contact with the liquid medicine. However, in the clinical dispensing process, there is not so much liquid medicine required, and if there is little liquid medicine contained in the mixing tank 1, the first medicine containing plate 19 and the second medicine containing plate 20 cannot extend completely below the liquid surface even when they are rotated to the vertical state, and there is a possibility that a part of the medicine powder adheres to the tank 21 and cannot be mixed with the liquid medicine. The application is further improved on this phenomenon, specifically: as shown in fig. 11 and 12, a sliding column 37 is sleeved in the outer sleeve 29 along the axial sliding direction thereof, the sliding column 37 extends to the outside of the outer sleeve 29 and is connected to the limit sphere 32, a plurality of ribs 39 are annularly distributed on the circumferential surface of the sliding column 37, a plurality of rib grooves 41 are correspondingly arranged on the inner wall of the outer sleeve 29, and the sliding column 37 and the outer sleeve 29 form limit sliding connection through the matching of the ribs 39 and the rib grooves 41, so that the two can slide relatively and synchronously rotate. When the first medicine containing plate 19 and the second medicine containing plate 20 rotate to the vertical state, the first medicine containing plate 19 and the second medicine containing plate 20 can be kept in a connected state with the cover plate 18 under the action of magnetic force, in order to further improve the connection firmness of the first medicine containing plate 19 and the second medicine containing plate, a clamping groove 40 is formed at the position of each rib 39 close to the opening side of the outer sleeve 29, a clamping block 43 is elastically mounted on the opening side of the outer sleeve 29 along the radial direction, and the clamping structure is formed between the clamping groove 43 and the clamping groove, so that the outer sleeve 29 and the sliding column 37 can be kept motionless relatively, and when the height of the first medicine containing plate 19 and the second medicine containing plate 20 is not required to be adjusted, the outer sleeve 29 and the sliding column 37 can be prevented from moving relatively.
When the liquid level is low, the first medicine containing plate 19 and the second medicine containing plate 20 can be driven to move downwards relative to the connecting plate 28 by the relative movement of the outer sleeve 29 and the sliding column 37, so that the medicine powder and the medicine liquid in the tank body 21 can be contacted and mixed. For this reason, as shown in fig. 10, 11 and 12, a ring plate 31 is radially fixed at one end of the outer sleeve 29 near the limit ball 32, a positioning ring tube 36 is disposed at the inner side of the fixing seat 25 corresponding to the rotation path of the ring plate 31, two ends of the positioning ring tube 36 are connected with piston ends of two cylinders 34 mounted on the top of the fixing seat 25, the positioning ring tube 36 is in a semi-circular tube structure, and the height of the inside of the ring tube is larger than the thickness of the ring plate 31, so that the ring plate 31 can be smoothly rotated to the inside of the positioning ring tube 36. When the ring plate 31 rotates to the inside of the positioning ring tube 36, the two cylinders 34 act to apply a downward force to the positioning ring tube 36, and the force can separate the clamping block 43 and the clamping groove 40, and overcome the magnetic force between the cover plate 18 and the first medicine containing plate 19/the second medicine containing plate 20, so as to drive the first medicine containing plate 19 and the second medicine containing plate 20 to move downwards, thereby realizing the adjustment of the heights of the two inside the mixing box 1. It should be noted that, when the ring plate 31 enters the positioning collar 36, because the space of the positioning collar 36 is larger, the positioning collar 36 is in a suspended state, after the cylinder 34 drives the positioning collar 36 to move downward for a very small distance, the top of the inner side of the positioning collar 36 abuts against the upper surface of the ring plate 31, and then the whole first medicine containing plate 19/second medicine containing plate 20 starts to move downward, and when the ring plate 31 moves downward, the ring plate 31 moves downward relative to the positioning collar 36 under the action of gravity of the first medicine containing plate 19/second medicine containing plate 20 until the lower end surface of the ring plate 31 contacts with the bottom of the positioning collar 36. After the first medicine containing plate 19/second medicine containing plate 20 completes stirring, the piston end of the air cylinder 34 is retracted to enable the two to return to the initial position, at this time, the clamping block 43 cannot enter the clamping groove 40 yet due to the contact between the lower end surface of the annular plate 31 and the bottom inside the positioning annular tube 36, but under the magnetic force between the cover plate 18 and the first medicine containing plate 19/second medicine containing plate 20, the outer sleeve 29 continues to slide relative to the sliding column 37, so that the clamping block 43 is clamped into the clamping groove 40, and thus the outer sleeve 29 and the sliding column 37 can be completely reset.
In order to prevent the outer sleeve 29 and the sliding column 37 from slipping off, as shown in fig. 11 and 12, the application fixedly connects with a limiting plate 38 at one end of the sliding column 37 facing the first medicine containing plate 19/the second medicine containing plate 20, the diameter of the sliding column 37 is D1, the diameter of the limiting plate 38 is D2, the distance between the ribs 39 and the axis of the sliding column 37 is D3, D1 < D2 < D3, a plurality of arc-shaped baffle plates 42 with the same diameter as the limiting plate 38 are annularly distributed at the position, close to the annular plate 31, on the inner wall of the outer sleeve 29, and the arc-shaped baffle plates 42 and the rib grooves 41 are distributed in a staggered manner.
In the description of the present invention, the terms "first," "second," "another," "yet another" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A medicine drip mixing device for clinical injection, including setting up in powder case (3) of mixing box (1) top, the discharge end of powder case (3) communicates with the inside of mixing box (1), and the inside of mixing box (1) is annotated has liquid medicine, its characterized in that: the top of the mixing box (1) is provided with a cover plate (18) in a sealing way, and a through hole is formed in the center of the cover plate (18) and used for communicating the medicine powder box (3) with the mixing box (1); two first medicine containing plates (19) and second medicine containing plates (20) with the same specification are symmetrically arranged below the cover plate (18), groove bodies (21) are formed at the tops of the first medicine containing plates (19) and the second medicine containing plates (20), and when the first medicine containing plates (19) and the second medicine containing plates (20) are in a horizontal state, the two groove bodies (21) are communicated, and medicine powder contained in the medicine powder box (3) falls into the two groove bodies (21) through holes in the cover plate (18); the first medicine containing plate (19) and the second medicine containing plate (20) are rotated in the direction away from each other to pour the medicine powder in the groove body (21) into the mixing box (1), after the first medicine containing plate (19) and the second medicine containing plate (20) are rotated to the vertical state, the groove bodies (21) of the first medicine containing plate and the second medicine containing plate can be fully immersed into the medicine liquid, and the first medicine containing plate (19) and the second medicine containing plate (20) are rotated along the central axis in the vertical direction;
two transmission boxes (2) are symmetrically distributed on two sides of the medicine powder box (3) at the top of the cover plate (18), a fixing seat (25) with a U-shaped structure is fixed inside each transmission box (2), a second rotating shaft (30) is rotatably installed at the vertical part of the fixing seat (25) downwards penetrating through the cover plate (18), a connecting plate (28) is rotatably sleeved outside the second rotating shaft (30), and the first medicine containing plate (19) or the second medicine containing plate (20) is abutted with the connecting plate (28) and is in adsorption connection with each other through magnetic force;
the middle part of the second rotating shaft (30) is sheathed with an outer sleeve (29) in a sliding way along the direction perpendicular to the axis of the second rotating shaft, one end of the outer sleeve (29) passes through a connecting plate (28) and then is connected with a first medicine containing plate (19) or a second medicine containing plate (20), the other end of the outer sleeve is contracted inwards in the radial direction and then extends into an arc-shaped positioning sleeve (23) in the transmission case (2), and the extending end is fixedly connected with a limiting sphere (32) and a worm wheel (33) in sequence in the arc-shaped positioning sleeve (23);
the section of the arc-shaped positioning sleeve (23) is matched with the limiting sphere (32) and the worm wheel (33), the bottom of the arc-shaped positioning sleeve is fixedly connected with the cover plate (18), and the top of the arc-shaped positioning sleeve extends to the top end of the fixed seat (25); the top of the fixing seat (25) is also provided with two connecting shafts (27), a worm (26) which is used for being meshed with a worm wheel (33) is connected between the two connecting shafts (27), when the first medicine containing plate (19) or the second medicine containing plate (20) rotates from a horizontal state to a vertical state, the top of the outer sleeve (29) rotates into a notch (35) which is formed in the middle of the fixing seat (25), wherein the limiting sphere (32) and the notch (35) form a clamping structure, and the worm wheel (33) is meshed with the worm (26);
the extending end of any connecting shaft (27) in each transmission case (2) extends to the outside of the transmission case (2), then a gear (8) is fixedly sleeved, two fixing plates (5) are further arranged at the top of the cover plate (18), two racks (9) are arranged at the outer side end of the fixing plate (5) close to one side of the gear (8), and the two racks (9) are tangent to the top and the bottom of the two gears (8) respectively and keep meshed;
one ends of the two racks (9) close to each other are connected through a vertical rod, a sliding groove (10) is formed in the vertical rod along the length direction of the vertical rod, a first rotating shaft (13) is rotatably connected to the end face of the fixed plate (5) and positioned below the vertical rod, the first rotating shaft (13) is in driving connection with a first motor (6) fixed on a cover plate (18), a swinging rod (12) is sleeved outside the first rotating shaft (13), and a first sliding block (11) connected with the tail end of the swinging rod (12) is embedded in the sliding groove (10) in a sliding mode;
a sliding rail (17) for sliding the racks (9) is arranged on the side face of each transmission case (2), and the two racks (9) and the vertical rods form an integral structure and are in sliding fit with the transmission case (2) through the two sliding rails (17).
2. A medication drip mixing device for clinical injections according to claim 1, wherein: the guide way that link up its face has been seted up along its length direction on the face of fixed plate (5), and the internally connected of guide way has a guide bar (15), and the back of montant then integrated into one piece is connected with second slider (14), and second slider (14) slip cup joints on guide bar (15) to be provided with spring (16) between the both ends of second slider (14) and the both ends of guide way respectively, spring (16) cup joint on guide bar (15).
3. A drip mixing device for clinical injections according to any one of claims 1 or 2, wherein: the periphery of the through hole at the top of the cover plate (18) is fixedly provided with a medicine guiding frame (7), and the discharging end at the bottom of the medicine powder box (3) extends into the medicine guiding frame (7); a supporting frame (4) is arranged between the two transmission boxes (2), and the medicine powder box (3) is detachably arranged on the supporting frame (4).
4. A medication drip mixing device for clinical injections according to claim 3, wherein: an extension plate (22) is formed by extending the bottom of the first medicine containing plate (19) towards the direction close to the second medicine containing plate (20).
5. A medication drip mixing device for clinical injections according to claim 4, wherein: the inside of outer tube (29) is along its axial slip sleeve joint slip post (37), connect on spacing spheroid (32) after this slip post (37) extends to outer tube (29) outside, be annular distribution on the periphery of slip post (37) and have several rib (39), then be provided with several rib groove (41) on the inner wall of slip post (37) then correspond, slip post (37) forms spacing sliding connection with outer tube (29) through the cooperation of rib (39) and rib groove (41), through slip post (37) for outer tube (29) along its axial slip adjust the height of first flourishing medicine board (19) or second flourishing medicine board (20) inside mixing box (1).
6. A medication drip mixing device for clinical injections according to claim 5, wherein: a clamping groove (40) is formed in the position, close to the opening side of the outer sleeve (29), of each rib (39), a clamping block (43) is elastically installed on the opening side of the outer sleeve (29) along the radial direction, the clamping groove (40) and the clamping block (43) form a clamping structure, and the clamping action can be completed by the magnetic force between the first medicine containing plate (19) or the second medicine containing plate (20) and the cover plate (18).
7. A medication drip mixing device for clinical injections according to claim 6, wherein: one end of the outer sleeve (29) close to the limit sphere (32) is radially fixed with a ring plate (31), the inner side of the fixed seat (25) is provided with a positioning ring pipe (36) corresponding to the rotating path of the ring plate (31), and two ends of the positioning ring pipe (36) are connected with piston ends of two cylinders (34) arranged on the top of the fixed seat (25);
the positioning ring pipe (36) is in a semicircular tubular structure, and the height of the inner part of the positioning ring pipe is larger than the thickness of the ring plate (31) so that the ring plate (31) rotates into the positioning ring pipe (36).
8. A medication drip mixing device for clinical injections according to claim 7, wherein: one end of the sliding column (37) facing the first medicine containing plate (19) or the second medicine containing plate (20) is fixedly connected with a limiting plate (38), a plurality of arc-shaped stop plates (42) with the same diameter as the limiting plate (38) are annularly distributed at the position, close to the annular plate (31), on the inner wall of the outer sleeve (29), and the arc-shaped stop plates (42) and the rib grooves (41) are distributed in a staggered mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310147164.6A CN115888545B (en) | 2023-02-22 | 2023-02-22 | Medicine drip mixing device for clinical injection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310147164.6A CN115888545B (en) | 2023-02-22 | 2023-02-22 | Medicine drip mixing device for clinical injection |
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| CN115888545B true CN115888545B (en) | 2023-05-02 |
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| CN115888545A (en) | 2023-04-04 |
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