Medical intermediate liquid medicine blending device

Abstract

The utility model discloses a medical intermediate liquid medicine blending device, and relates to the technical field of medical liquid preparation. The device comprises a blending barrel, wherein a mixing mechanism, a driving mechanism and a stirring mechanism are arranged on the blending barrel; the mixing mechanism comprises two guide pipes fixedly connected to the top surface of the sealing sleeve, the bottom ends of the two guide pipes extend to the inner top wall of the sealing sleeve, two fixing sleeves are fixedly connected to the inner top wall of the sealing sleeve, the bottom ends of the guide pipes extend into the fixing sleeves, and the fixing sleeves are fixedly connected to the inner top wall of the sealing sleeve. And a plurality of openings are formed in the two fixing sleeves, sliding rods penetrate through the two fixing sleeves, the top ends of the sliding rods extend into the guide pipe, the top ends of the two sliding rods are fixedly connected with pistons, and the two sliding rods are sleeved with springs. The mixing mechanism is arranged, so that the two liquid medicines are fully contacted and mixed before being stirred, and the blending effect of the liquid medicines is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pharmaceutical liquid preparation, in particular to a pharmaceutical intermediate liquid preparation device. Background Art

[0002] In the prior art, after searching, it was found that a Chinese patent disclosed "a liquid dispensing device for processing pharmaceutical intermediates", and its application number is "CN202120757959.5". The patent mainly includes a support frame, and the bottom ends of the support frame are fixedly connected with support legs on both sides, and the inner wall of one end of the support frame is fixed with a positioning plate, and the positioning plate is provided with a positioning hole, and the positioning hole is provided with three and a test tube is passed through, and the bottom end of the test tube contacts a buffer device, and the buffer device is provided with three and the bottom end is fixed to the inner wall of the bottom end of the support frame, and a lower cross bar is provided on one side of the positioning plate, and an upper cross bar is provided on the side of the lower cross bar away from the positioning plate, and the lower cross bar and the upper cross bar slide through the liquid dispensing device, and the lower cross bar and the upper cross bar are fixed with a limit plate at one end, and the other end of the lower cross bar and the upper cross bar is fixed to the inner wall of the support frame. The utility model can not only dispense medicines, but also buffer test tubes, and is simple to operate and highly practical.

[0003] However, when the medicine is prepared and stirred, the stirring device of the device has insufficient performance and cannot fully mix the medicine liquid during the stirring process. Due to insufficient mixing of the medicine liquid, the concentration distribution of different components of the medicine in the medicine liquid will be uneven, such as some areas with higher concentration of some components and other areas with lower concentration of other components, which will affect the efficacy and safety of the medicine. Utility Model Content

[0004] The utility model aims to provide a pharmaceutical intermediate liquid preparation device, which is provided with a mixing mechanism, and can expand the contact area of ​​two liquid medicines before stirring, so that the two liquid medicines can be fully contacted and mixed before stirring, thereby solving the problem that the concentration distribution of different components of drugs in the liquid medicine is uneven due to insufficient mixing of the liquid medicines, thereby affecting the efficacy and safety of the drugs.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a pharmaceutical intermediate liquid preparation device, comprising a preparation barrel, on which a mixing mechanism, a driving mechanism and a stirring mechanism are arranged;

[0007] The mixing mechanism includes two conduits fixedly connected to the top surface of the sealing sleeve, the bottom ends of the two conduits extend to the inner top wall of the sealing sleeve, the inner top wall of the sealing sleeve is fixedly connected to two fixed sleeves, the bottom ends of the conduits extend to the interior of the fixed sleeve, a plurality of openings are provided on the two fixed sleeves, sliding rods penetrate the two fixed sleeves, the fixed sleeves are slidably connected to the sliding rods, the top ends of the sliding rods extend to the interior of the conduits, the top ends of the two sliding rods are fixedly connected to pistons, the outer wall of the piston is slidably connected to the inner wall of the conduit, the outer wall of the piston is slidably connected to the inner wall of the fixed sleeve, the two sliding rods are sleeved with springs, the top end of the springs is fixedly connected to the bottom surface of the pistons, and the bottom end of the springs is fixedly connected to the inner bottom wall of the fixed sleeve.

[0008] Furthermore, the driving mechanism includes a limiting assembly, a driving assembly and a discharging assembly, the limiting assembly includes a connecting sleeve rotatably connected to the bottom end of the sealing sleeve, the inner wall of the connecting sleeve is provided with an annular groove, the bottom end of the sealing sleeve is fixedly connected with a connecting ring, and the outer wall of the connecting ring is slidably connected to the inner wall of the annular groove.

[0009] Furthermore, the driving assembly includes a motor fixedly connected to the top surface of the mixing barrel, the outer wall of the connecting sleeve is fixedly connected to a first gear, the output end of the motor is fixedly connected to a rotating shaft, the bottom end of the rotating shaft is fixedly connected to a second gear, and the second gear is meshed with the first gear.

[0010] Furthermore, the discharge assembly includes a discharge pipe fixedly connected to the bottom end of the connecting sleeve, the top end of the discharge pipe extends to the interior of the connecting sleeve, and the discharge pipe is L-shaped.

[0011] Furthermore, the stirring mechanism includes a connecting assembly, a stirring assembly and a discharging assembly, the connecting assembly includes a connecting plate fixedly connected to the outer wall of the connecting sleeve, the bottom surface of the connecting plate is rotatably connected to two rotating rods, the outer walls of the two rotating rods are fixedly connected to a third gear, the inner top wall of the mixing barrel is fixedly connected to a plurality of connecting rods, the bottom ends of the plurality of connecting rods are fixedly connected to a gear ring, and the two third gears are meshed with the gear ring.

[0012] Furthermore, the stirring assembly includes a plurality of stirring blades which are fixedly connected to the outer walls of the two rotating rods, and the connecting rod is located below the second gear.

[0013] Furthermore, the discharge assembly includes a discharge port connected to the bottom surface of the mixing barrel, and a valve is fixedly connected to the outer wall of the discharge port.

[0014] The utility model has the following beneficial effects:

[0015] 1. By providing a mixing mechanism, liquid pumps are provided at the top ends of the two conduits to simultaneously deliver liquid medicine into the conduits. During the delivery process, the liquid medicine will squeeze the piston so that the piston and the slide rod move downward at the same time. At this time, the spring is in a compressed state. When the piston slides to the inner wall of the fixed sleeve, the interior of the conduit communicates with the interior of the sealing sleeve through the opening. At this time, the liquid medicine is sprayed out from the opening, which can expand the contact area of ​​the two liquid medicines before stirring, so that the two liquid medicines can be fully contacted and mixed before stirring, further improving the preparation effect of the liquid medicine.

[0016] 2. By providing a stirring mechanism, the connecting sleeve can drive the connecting plate to rotate when it rotates, and at the same time drive the two rotating rods to rotate around the connecting sleeve. The gear ring and the third gear cooperate with each other, so that the rotating rod can rotate in the opposite direction when it rotates around the connecting sleeve, so that the several stirring blades on the rotating rod can fully mix and stir the liquid medicine, making it more fully mixed. At the same time, the discharge port cooperates with the valve to adjust the discharge speed of the liquid medicine.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a front cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0023] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure at point C in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Mixing barrel; 2. Mixing mechanism; 3. Driving mechanism; 4. Stirring mechanism; 21. Sealing sleeve; 22. Conduit; 23. Fixed sleeve; 24. Opening; 25. Slide rod; 26. Piston; 27. Spring; 31. Connecting sleeve; 32. Annular slide groove; 33. Connecting ring; 34. First gear; 35. Motor; 36. Rotating shaft; 37. Second gear; 38. Discharging pipe; 41. Connecting plate; 42. Rotating rod; 43. Third gear; 44. Connecting rod; 45. Gear ring; 46. Stirring blade; 47. Discharging port; 48. Valve. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 As shown, the utility model is a pharmaceutical intermediate liquid preparation device, comprising a preparation barrel 1, on which a mixing mechanism 2, a driving mechanism 3 and a stirring mechanism 4 are arranged;

[0028] The mixing mechanism 2 includes two conduits 22 fixedly connected to the top surface of the sealing sleeve 21, the bottom ends of the two conduits 22 extend to the inner top wall of the sealing sleeve 21, the inner top wall of the sealing sleeve 21 is fixedly connected to two fixed sleeves 23, the bottom ends of the conduits 22 extend to the inside of the fixed sleeve 23, the two fixed sleeves 23 are provided with a plurality of openings 24, the two fixed sleeves 23 are penetrated by a sliding rod 25, the fixed sleeve 23 is slidably connected to the sliding rod 25, the top ends of the sliding rods 25 extend to the inside of the conduits 22, and the top ends of the two sliding rods 25 are fixedly connected A piston 26 is connected, the outer wall of the piston 26 is slidably connected to the inner wall of the conduit 22, the outer wall of the piston 26 is slidably connected to the inner wall of the fixed sleeve 23, and a spring 27 is sleeved on the two slide bars 25, the top of the spring 27 is fixedly connected to the bottom surface of the piston 26, and the bottom of the spring 27 is fixedly connected to the inner bottom wall of the fixed sleeve 23. By providing a mixing mechanism 2, the liquid medicine is sprayed out from the opening 24, and the contact area of ​​the two liquid medicines can be expanded before the liquid medicines are stirred, so that the two liquid medicines can be fully contacted and mixed before stirring, and the preparation effect of the liquid medicines is further improved;

[0029] The driving mechanism 3 includes a limiting component, a driving component and a discharging component. The limiting component includes a connecting sleeve 31 rotatably connected to the bottom end of the sealing sleeve 21. The inner wall of the connecting sleeve 31 is provided with an annular groove 32. The bottom end of the sealing sleeve 21 is fixedly connected with a connecting ring 33. The outer wall of the connecting ring 33 is slidably connected with the inner wall of the annular groove 32. The driving component includes a motor 35 fixedly connected to the top surface of the mixing barrel 1. The outer wall of the connecting sleeve 31 is fixedly connected with a first gear 34. The output end of the motor 35 is fixedly connected with a rotating shaft 36. The bottom end of the rotating shaft 36 is fixedly connected with a second gear 37. The second gear 37 and the first gear 34 are meshed with each other. The discharging component includes a discharging pipe 38 fixedly connected to the bottom end of the connecting sleeve 31. The top end of the discharging pipe 38 extends to the inside of the connecting sleeve 31. The discharging pipe 38 is L-shaped. By providing the driving mechanism 3, the liquid medicine can be evenly sprayed inside the mixing barrel 1, so that the liquid medicine in the mixing barrel 1 is always in a flowing state, so that it is mixed more fully.

[0030] The stirring mechanism 4 includes a connecting assembly, a stirring assembly and a discharging assembly. The connecting assembly includes a connecting plate 41 fixedly connected to the outer wall of the connecting sleeve 31. The bottom surface of the connecting plate 41 is rotatably connected to two rotating rods 42. The outer walls of the two rotating rods 42 are fixedly connected to a third gear 43. The inner top wall of the mixing barrel 1 is fixedly connected to a plurality of connecting rods 44. The bottom ends of the plurality of connecting rods 44 are fixedly connected to a gear ring 45. The two third gears 43 and the gear ring 45 are meshed with each other. The stirring assembly includes a plurality of connecting rods 44 fixedly connected to the outer walls of the two rotating rods 42. The dry stirring blades 46 and the connecting rod 44 are located below the second gear 37. The discharging assembly includes a discharging port 47 connected to the bottom surface of the mixing barrel 1. The outer wall of the discharging port 47 is fixedly connected to a valve 48. By providing a stirring mechanism 4, the rotating rod 42 can rotate in the opposite direction when rotating around the connecting sleeve 31, so that the several stirring blades 46 on the rotating rod 42 can fully mix and stir the medicine liquid, making it more fully mixed. At the same time, the discharging port 47 cooperates with the valve 48 to regulate the discharging speed of the medicine liquid.

[0031] A specific application of this embodiment is: by providing a mixing mechanism 2, a liquid pump is provided at the top of the two conduits 22 to simultaneously transport liquid medicine into the conduits 22. During the transportation process, the liquid medicine squeezes the piston 26 so that the piston 26 and the slide rod 25 move downward at the same time. At this time, the spring 27 is in a compressed state. When the piston 26 slides to the inner wall of the fixed sleeve 23, the interior of the conduit 22 communicates with the interior of the sealing sleeve 21 through the opening 24. At this time, the liquid medicine is sprayed out from the opening 24, which can expand the contact area of ​​the two liquid medicines before stirring, so that the two liquid medicines can be fully contacted and mixed before stirring, further improving the preparation effect of the liquid medicine.

[0032] By providing the driving mechanism 3, the connecting ring 33 and the annular slide groove 32 cooperate with each other, so that the connecting sleeve 31 can only rotate on the bottom end of the sealing sleeve 21, and when the motor 35 drives the rotating shaft 36 to rotate, the second gear 37 and the first gear 34 cooperate with each other to drive the connecting sleeve 31 to rotate, and at the same time drive the discharge pipe 38 to rotate, and the mixed liquid medicine is thrown out through the discharge pipe 38, so that the liquid medicine can be evenly sprayed inside the mixing barrel 1, so that the liquid medicine in the mixing barrel 1 is always in a flowing state, so that it is mixed more fully;

[0033] By providing a stirring mechanism 4, the connecting sleeve 31 can drive the connecting plate 41 to rotate when it rotates, and at the same time drive the two rotating rods 42 to rotate around the connecting sleeve 31. The gear ring 45 and the third gear 43 cooperate with each other, so that the rotating rod 42 can rotate in the opposite direction when rotating around the connecting sleeve 31, so that the several stirring blades 46 on the rotating rod 42 can fully mix and stir the medicine liquid, making it mixed more fully. At the same time, the discharge port 47 cooperates with the valve 48 to adjust the discharge speed of the medicine liquid.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A pharmaceutical intermediate liquid preparation device, comprising a preparation barrel (1), characterized in that: The mixing barrel (1) is provided with a mixing mechanism (2), a driving mechanism (3) and a stirring mechanism (4); The mixing mechanism (2) comprises two conduits (22) fixedly connected to the top surface of the sealing sleeve (21), the bottom ends of the two conduits (22) extending to the inner top wall of the sealing sleeve (21), the inner top wall of the sealing sleeve (21) being fixedly connected to two fixed sleeves (23), the bottom ends of the conduits (22) extending to the inside of the fixed sleeves (23), the two fixed sleeves (23) being provided with a plurality of openings (24), the two fixed sleeves (23) being penetrated by a sliding rod (25), the fixed sleeves (23) and the sliding rod (25) being connected to each other. 5) sliding connection, the top ends of the sliding rods (25) extend to the inside of the conduit (22), the top ends of the two sliding rods (25) are fixedly connected with pistons (26), the outer wall of the piston (26) is slidingly connected to the inner wall of the conduit (22), the outer wall of the piston (26) is slidingly connected to the inner wall of the fixed sleeve (23), and the two sliding rods (25) are sleeved with springs (27), the top ends of the springs (27) are fixedly connected to the bottom surface of the pistons (26), and the bottom ends of the springs (27) are fixedly connected to the inner bottom wall of the fixed sleeve (23).

2. A pharmaceutical intermediate liquid preparation device according to claim 1, characterized in that: The driving mechanism (3) comprises a limiting assembly, a driving assembly and a discharging assembly. The limiting assembly comprises a connecting sleeve (31) rotatably connected to the bottom end of the sealing sleeve (21). An annular sliding groove (32) is provided on the inner wall of the connecting sleeve (31). A connecting ring (33) is fixedly connected to the bottom end of the sealing sleeve (21). The outer wall of the connecting ring (33) is slidably connected to the inner wall of the annular sliding groove (32).

3. A pharmaceutical intermediate liquid preparation device according to claim 2, characterized in that: The driving assembly comprises a motor (35) fixedly connected to the top surface of the mixing barrel (1); a first gear (34) is fixedly connected to the outer wall of the connecting sleeve (31); an output end of the motor (35) is fixedly connected to a rotating shaft (36); a bottom end of the rotating shaft (36) is fixedly connected to a second gear (37); and the second gear (37) and the first gear (34) are meshed with each other.

4. A pharmaceutical intermediate liquid preparation device according to claim 3, characterized in that: The discharge assembly comprises a discharge pipe (38) fixedly connected to the bottom end of the connecting sleeve (31), the top end of the discharge pipe (38) extending to the interior of the connecting sleeve (31), and the discharge pipe (38) is L-shaped.

5. A pharmaceutical intermediate liquid preparation device according to claim 4, characterized in that: The stirring mechanism (4) comprises a connecting assembly, a stirring assembly and a discharging assembly. The connecting assembly comprises a connecting plate (41) fixedly connected to the outer wall of the connecting sleeve (31). The bottom surface of the connecting plate (41) is rotatably connected to two rotating rods (42). The outer walls of the two rotating rods (42) are fixedly connected to a third gear (43). The inner top wall of the mixing barrel (1) is fixedly connected to a plurality of connecting rods (44). The bottom ends of the plurality of connecting rods (44) are fixedly connected to a gear ring (45). The two third gears (43) and the gear ring (45) are meshed with each other.

6. A pharmaceutical intermediate liquid preparation device according to claim 5, characterized in that: The stirring assembly comprises a plurality of stirring blades (46) fixedly connected to the outer walls of two rotating rods (42), and the connecting rod (44) is located below the second gear (37).

7. A pharmaceutical intermediate liquid preparation device according to claim 6, characterized in that: The discharge assembly comprises a discharge port (47) which is arranged in communication with the bottom surface of the mixing barrel (1), and a valve (48) is fixedly connected to the outer wall of the discharge port (47).

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