Liquid preparation weighing device

Abstract

The utility model provides a kind of liquid preparation weighing device, it is related to dispensing device technical field.The device includes: support, weighing member, support plate and lifting member;The top of support is provided with weighing member, and support plate is provided on weighing member, wherein, the first end of support plate is connected in the top surface of weighing member by rotating member, and the second end of weighing member supports support plate;The side of support is provided with lifting member, when lifting member is in elongation state, the top end of lifting member props up the second end of support plate to separate from weighing member, when lifting member is in contraction state, the top end of lifting member and support plate have the gap of pre-set length between, to make support plate be supported by weighing member.The liquid preparation weighing device provided in the utility model embodiment, by setting weighing member on the top of support, the liquid bag before and after liquid preparation can be weighed respectively, by setting lifting member on the side of support, the angle of liquid bag can be adjusted, to prepare liquid or move.

Description

Technical Field

[0001] This utility model relates to the field of drug dispensing device technology, and in particular to a liquid dispensing and weighing device. Background Technology

[0002] Dispensing stations are used to precisely mix and prescribe various medications into a final therapeutic solution for patient use. The accuracy and efficiency of the dispensing process directly affect the patient's treatment outcome and safety. With the continuous advancement of medical technology, dispensing stations are gradually becoming automated and intelligent to improve work efficiency and reduce human error.

[0003] However, in current common procedures for preparing solutions at compounding stations, the dosage and verification of medications during the preparation process using medications and infusion bags primarily rely on manual operation. This involves using a graduated syringe to dispense and prepare the medication. This manual verification method is not only time-consuming and labor-intensive, but also prone to errors due to fatigue, distraction, and other factors, leading to incorrect medication dosages and posing a risk to the patient's treatment outcome. Utility Model Content

[0004] To address the technical problem that existing manual verification methods are not only time-consuming and labor-intensive, but also prone to errors due to fatigue and distraction, leading to incorrect drug dosages and posing a risk to patient treatment outcomes, this utility model provides a liquid dispensing and weighing device. The technical solution is as follows:

[0005] A liquid dispensing and weighing device is provided, the device comprising: a bracket, a weighing component, a support plate, and a lifting component;

[0006] A weighing component is provided on the top of the bracket, and a support plate is provided on the weighing component. The first end of the support plate is connected to the top surface of the weighing component through a rotating component, and the weighing component supports the second end of the support plate.

[0007] The support has a lifting member on its side. When the lifting member is in the extended state, the top of the lifting member lifts the second end of the support plate until it is detached from the weighing member. When the lifting member is in the retracted state, there is a gap of a preset length between the top of the lifting member and the support plate, so that the support plate is supported by the weighing member.

[0008] Optionally, the support plate is also provided with a locking element for locking the open end of the liquid bag.

[0009] Optionally, the locking element is an adjustable-width elastic buckle, and the inner side of the elastic buckle is provided with an anti-slip rubber pad layer.

[0010] Optionally, the lifting member includes a power unit and a guide unit, both of which are vertically arranged.

[0011] Optionally, the power unit is a pneumatic telescopic rod, and the guide unit includes a slide rail;

[0012] The pneumatic telescopic rod is slidably connected to the slide rail via a slider.

[0013] Optionally, a pressure sensor switch is provided at the top of the pneumatic telescopic rod, and the pressure sensor switch is electrically connected to the power unit.

[0014] Optionally, the top of the support plate is provided with an anti-slip pad.

[0015] Optionally, the bottom of the support plate is provided with a shock-absorbing and buffering assembly, which includes three spring dampers arranged in a triangular pattern.

[0016] Optionally, a buffer portion is provided on the top of the weighing component, the buffer portion corresponding to the second end of the support plate.

[0017] Optionally, the device further includes a controller, which is communicatively connected to the weighing device, and stores prescription information therein. The controller is capable of comparing the weight information acquired by the weighing device with the prescription information.

[0018] The beneficial effects of the technical solution provided by this utility model embodiment include at least the following:

[0019] The liquid mixing and weighing device provided in this embodiment of the utility model can weigh the liquid bags before and after liquid mixing by setting a weighing component on the top of the support, and can adjust the angle of the liquid bags by setting a lifting component on the side of the support for liquid mixing or movement. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of a liquid mixing and weighing device provided in an embodiment of this utility model.

[0022] Figure label:

[0023] 1. Bracket;

[0024] 2. Weighing components;

[0025] 3. Support plate; 31. Locking component;

[0026] 4. Lifting component; 41. Power unit; 42. Guide unit;

[0027] A. Flexitank. Detailed Implementation

[0028] The technical solution of this utility model will now be described with reference to the accompanying drawings.

[0029] In the embodiments of this utility model, words such as "exemplarily" and "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design described as "exemplary" in this utility model should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of the word "exemplary" is intended to present the concept in a concrete manner. Furthermore, in the embodiments of this utility model, the meaning expressed by "and / or" can be both, or it can be either one or the other.

[0030] To make the technical problems, technical solutions and advantages of this utility model clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0031] This utility model provides a liquid preparation and weighing device. Figure 1 This is a schematic diagram of the structure of a liquid preparation and weighing device provided in an embodiment of this utility model. Please refer to [link / reference]. Figure 1 The device includes: a bracket 1, a weighing component 2, a support plate 3, and a lifting component 4.

[0032] A weighing element 2 is provided on the top of the support 1, and a support plate 3 is provided on the weighing element 2. The first end of the support plate 3 is connected to the top surface of the weighing element 2 through a rotating component, and the weighing element 2 supports the second end of the support plate 3.

[0033] The support bracket 1 serves as the main support, with a weighing element 2 integrated at the top for real-time measurement of the total weight of the support plate 3 and the container on it. The weight of the support plate 3 is a fixed value and can be easily removed. The weighing element 2 can be a high-precision load cell to accurately measure the weight of the items placed above it. The first end of the support plate 3 is connected to the top surface of the weighing element 2 via a rotating component, and the second end is supported by the weighing element 2, forming a structure that can rotate around a pivot point. The rotating component can be a hinge, but this embodiment is not limited to it.

[0034] A lifting member 4 is provided on the side of the support 1, the top of which can precisely contact the second end of the support plate 3. The lifting member 4 can be raised or lowered along the side of the support 1, thereby raising and lowering the second end of the support plate 3. When the lifting member 4 is in the extended state, the top of the lifting member 4 supports the second end of the support plate 3 until it is detached from the weighing member 2, and the second end of the support plate 3 can be in a higher position. When the lifting member 4 is in the retracted state, there is a preset length gap between the top of the lifting member 4 and the support plate 3, so that the support plate 3 is supported by the weighing member 2. The preset gap between the top and the support plate 3, for example, can be 5-10mm, to ensure that the support plate 3 naturally falls back to the weighing member 2, achieving stable weighing.

[0035] For example, the support plate 3 can be used to support liquid bag A. The open end of liquid bag A corresponds to the second end of the support plate 3. When the second end moves upward to a certain position, the opening of liquid bag A can be positioned higher, thus avoiding the liquid inside and facilitating the injection of liquid into liquid bag A. This allows the device to be used not only for weighing but also for dispensing liquid. In use, before dispensing, liquid bag A can be placed on the support plate 3, with the lifting component 4 in the lowered position, so that liquid bag A is completely supported by the support plate 3. First, weigh liquid bag A. Then, lift the second end of the support plate 3 to form a certain tilt angle, such as 15°-30°, to facilitate safe dispensing and prevent spillage. After dispensing, lower the lifting component 4 so that liquid bag A is completely supported by the support plate 3, and weigh liquid bag A again. Finally, lift the second end of the support plate 3 again to move liquid bag A. The weight difference between the two weighings is the weight of the medicine mixed into liquid bag A. This structure not only allows for precise determination of the injected medicine volume but also enables liquid preparation without moving liquid bag A. Calculating the injected medicine weight through two weighings avoids the visual errors of traditional measuring cylinders. Furthermore, the lifting and lowering mechanism 4 allows for shaking of liquid bag A, promoting medicine dissolution.

[0036] The liquid mixing and weighing device provided in this embodiment of the utility model can weigh the liquid bag A before and after liquid mixing by setting a weighing component 2 on the top of the support 1. The angle of the liquid bag A can be adjusted by setting a lifting component 4 on the side of the support 1 so as to mix or move the liquid.

[0037] In one embodiment of this utility model, the support plate 3 is further provided with a locking member 31 for locking the opening end of the liquid bag A.

[0038] Specifically, the locking member 31 is rotatably connected to the support plate 3. The surface of the locking member 31 that contacts the liquid bag A is provided with a groove that matches the open end of the liquid bag A, so as to fix the open end and prevent the liquid bag A from sliding, tipping or leaking liquid during weighing or tilting.

[0039] Specifically, the locking component 31 employs a manual knob, spring clip, or pneumatic clamp to achieve quick one-handed fixing / releasing. Furthermore, the groove can be covered with silicone or rubber pads to prevent puncturing the liquid bag A and to increase friction.

[0040] Furthermore, in one embodiment of this utility model, the locking member 31 is an adjustable-width elastic buckle, and the inner side of the elastic buckle is provided with an anti-slip rubber pad layer.

[0041] Specifically, the aforementioned adjustable width structure can be achieved through mechanical structures such as knobs, screws, spring plates, or segmented elastic arms to adapt to the fixing needs of objects of different sizes.

[0042] Specifically, engineering plastic or metal spring sheets can be used, combining elastic deformation capability with durability. This allows for adjustment via manual pressing or expansion, eliminating the need for tools and lowering the barrier to entry for users.

[0043] The use of anti-slip rubber pads can increase the coefficient of friction and prevent the fixed object from sliding; at the same time, it plays a buffering role and protects the contact surface.

[0044] In one embodiment of the present invention, the lifting member 4 includes a power unit 41 and a guide unit 42, both of which are vertically arranged.

[0045] The power unit 41 provides the driving force for the lifting component 4 and can be an electric push rod, a pneumatic cylinder, or a hydraulic cylinder. The power unit 41 is installed along the height direction of the bracket 1, and its telescopic shaft is perpendicularly aligned with the movement trajectory of the support plate 3 to ensure that there is no lateral component in the force transmission.

[0046] Furthermore, millimeter-level lifting control (such as ±0.1mm) can be achieved by setting limit baffles or displacement sensors to meet the requirements of high-precision liquid preparation.

[0047] The guide section 42 is used to constrain the lifting member 4 to move only in the vertical direction, eliminating lateral offset.

[0048] Specifically, the support 1 may include a top plate, a bottom plate and multiple columns. A connecting plate may also be provided between two adjacent columns. The power unit 41 is fixed on the connecting plate and the power unit 41 is parallel to the extension direction of the columns.

[0049] Furthermore, in one embodiment of this utility model, the power unit 41 is a pneumatic telescopic rod, and the guide unit 42 includes a slide rail; the pneumatic telescopic rod is slidably connected to the slide rail via a slider, and the pneumatic telescopic rod can drive the slider to move up and down, and the sliding path of the slider is along the slide rail.

[0050] In pneumatic telescopic rods, compressed air is used to drive a piston rod to achieve linear motion. For example, the response speed can be 0.1~0.5m / s to adapt to different load requirements.

[0051] It is cleaner than hydraulic drive and easier to maintain than electric drive.

[0052] Specifically, the guide section 42 can use a high-precision chrome-plated optical axis, combined with a linear slider to achieve low-friction guidance.

[0053] Furthermore, in one embodiment of this utility model, a pressure sensing switch is provided at the top of the pneumatic telescopic rod, and the pressure sensing switch is electrically connected to the power unit 41. The pressure sensing switch can detect the pressure on the top of the pneumatic telescopic rod. During the upward extension of the pneumatic telescopic rod, when the pressure on the pneumatic telescopic rod exceeds zero, it indicates that the pneumatic telescopic rod is in contact with the support plate 3. The power unit 41 can then be controlled to stop operating after a preset time, thereby stopping the second end of the support plate 3 at a preset position, for example, the height used for liquid preparation. During the downward retraction of the pneumatic telescopic rod, when the pressure on the pneumatic telescopic rod decreases to zero, it indicates that the pneumatic telescopic rod is disengaged from the support plate 3. The power unit 41 can then be controlled to stop operating after a preset time, thereby placing the support plate 3 in a position fully supported by the weighing member 2.

[0054] In one embodiment of this utility model, an anti-slip pad is provided on the top of the support plate 3 to prevent the liquid bag A from slipping. Furthermore, the anti-slip pad has anti-slip patterns and is made of rubber to further increase the friction between it and the liquid bag A.

[0055] In one embodiment of this utility model, a shock-absorbing buffer assembly is provided at the bottom of the support plate 3 to provide shock absorption when it falls onto the weighing component 2. This shock-absorbing buffer assembly includes three spring dampers arranged in a triangular pattern. A spring damper is a mechanical device that works by connecting an elastic element and an energy-dissipating element in parallel or series. The elastic element can be a spring, and the energy-dissipating element can be a damper. It is mainly used to absorb impact energy, suppress vibration, or control movement speed. Its working principle consists of two stages: the spring energy storage stage, where the spring is compressed / stretched under external force, storing elastic potential energy; and the damping energy dissipation stage, where the damper converts the energy released by the spring into heat energy or other forms of dissipation, suppressing reciprocating vibration. This structure provides shock absorption, preventing the liquid bag A from being shaken and falling.

[0056] In one embodiment of this utility model, a buffer part is provided on the top of the weighing member 2, which corresponds to the second end of the support plate 3, and is used to prevent the liquid bag A from slipping due to vibration. The material of the buffer part can be rubber.

[0057] In one embodiment of this utility model, the device further includes a controller, which is communicatively connected to the weighing device 2. The controller stores prescription information and is able to compare the weight information obtained by the weighing device 2 with the prescription information.

[0058] Specifically, by weighing twice, the amount of medicine to be added can be obtained. By comparing it with the dosage in the prescription information, the accuracy of the solution preparation can be determined, which is beneficial for subsequent steps.

[0059] The liquid mixing and weighing device provided in this embodiment of the utility model can weigh the liquid bag A before and after liquid mixing by setting a weighing component 2 on the top of the support 1. The angle of the liquid bag A can be adjusted by setting a lifting component 4 on the side of the support 1 so as to mix or move the liquid.

[0060] It should be understood that the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. A and B can be singular or plural. Additionally, the character " / " in this article generally indicates an "or" relationship between the preceding and following related objects, but it can also represent an "and / or" relationship. Please refer to the context for a more accurate understanding.

[0061] In this invention, "at least one" means one or more, and "more than one" means two or more. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single or multiple items. For example, at least one of a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple.

[0062] It should be understood that in the various embodiments of this utility model, the sequence number of each process does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this utility model.

[0063] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A liquid dispensing and weighing device, characterized in that, The device includes: a bracket, a weighing component, a support plate, and a lifting component; A weighing component is provided on the top of the bracket, and a support plate is provided on the weighing component. The first end of the support plate is connected to the top surface of the weighing component through a rotating component, and the weighing component supports the second end of the support plate. The support has a lifting member on its side. When the lifting member is in the extended state, the top of the lifting member lifts the second end of the support plate until it is detached from the weighing member. When the lifting member is in the retracted state, there is a gap of a preset length between the top of the lifting member and the support plate, so that the support plate is supported by the weighing member.

2. The liquid dispensing and weighing device according to claim 1, characterized in that, The support plate is also provided with a locking element to lock the opening end of the liquid bag.

3. The liquid dispensing and weighing device according to claim 2, characterized in that, The locking element is an adjustable-width elastic buckle, and the inner side of the elastic buckle is provided with an anti-slip rubber pad layer.

4. The liquid dispensing and weighing device according to claim 1, characterized in that, The lifting component includes a power unit and a guide unit, both of which are vertically arranged.

5. The liquid dispensing and weighing device according to claim 4, characterized in that, The power unit is a pneumatic telescopic rod, and the guide unit includes a slide rail; The pneumatic telescopic rod is slidably connected to the slide rail via a slider.

6. The liquid dispensing and weighing device according to claim 5, characterized in that, The pneumatic telescopic rod is equipped with a pressure sensor switch at its top, and the pressure sensor switch is electrically connected to the power unit.

7. The liquid dispensing and weighing device according to claim 1, characterized in that, The top of the support plate is provided with an anti-slip pad.

8. The liquid dispensing and weighing device according to claim 1, characterized in that, The bottom of the support plate is provided with a shock-absorbing and buffering assembly, which includes three spring dampers arranged in a triangle.

9. The liquid dispensing and weighing device according to claim 1, characterized in that, The weighing component has a buffer section at its top, which corresponds to the second end of the support plate.

10. The liquid dispensing and weighing device according to claim 1, characterized in that, The device further includes a controller, which is communicatively connected to the weighing device. The controller stores prescription information and is capable of comparing the weight information acquired by the weighing device with the prescription information.

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