Liquid adding device
By combining the base, linear module, and connector assembly, the liquid volume of the liquid adding device is precisely controlled, solving the problem of inaccurate liquid volume control in manual operation and achieving high-precision liquid adding operation.
Patent Information
- Application Number
- CN202322189299.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-15
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2033-08-15
AI Technical Summary
In existing technologies, it is difficult to accurately control the liquid volume during manual liquid addition, resulting in low precision.
The design employs a combination of a base, a first linear module, a second linear module, and a connector assembly. The first linear module precisely controls the displacement of the first push plate, thereby achieving precise control of the liquid volume.
It enables accurate control of the liquid volume for each liquid addition operation, solving the problem of low precision in manual operation.
Smart Images
Figure CN223800542U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to experimental equipment field, especially a liquid adding device. BACKGROUND
[0002] In medical or chemical applications, it is often necessary to add a predetermined amount of liquid in a container for subsequent use. In the process of adding liquid, the prior art is generally operated manually by an operator. However, manual operation is difficult to accurately control the liquid amount and has low precision. SUMMARY
[0003] The utility model provides a liquid adding device, solve the technical problem of low precision caused by manual operation in the prior art.
[0004] To solve the above problems, the utility model provides the following technical scheme:
[0005] In an embodiment of the first aspect, the utility model provides a liquid adding device, comprising:
[0006] a base, the base is equipped with a first clamp for fixing a syringe;
[0007] a first linear module, the free end of the first linear module is equipped with a first push plate for pushing the movable end of the syringe;
[0008] a second linear module, the free end of the second linear module is equipped with a second push plate for placing a sample cup;
[0009] a joint assembly, the joint assembly is installed on the base, the fixed seat is located on the movement track of the second push plate, one end of the joint assembly is communicated with the syringe through a pipe, and the other end is used for inserting the joint of the sample cup.
[0010] The utility model discloses a base, a first linear module, a second linear module and a joint assembly are arranged, the first clamp for fixing the syringe is equipped on the base, the first push plate for pushing the movable end of the syringe is equipped on the free end of the first linear module, the second push plate for placing the sample cup is equipped on the free end of the second linear module, one end of the joint assembly is communicated with the syringe through the pipe, and the other end is used for inserting the joint of the sample cup. When using, the first linear module can accurately control the displacement of the first push plate, and the liquid amount of each liquid adding operation can be controlled, thereby solving the problem of low precision caused by manual operation in the prior art.
[0011] In some embodiments, the joint assembly comprises a joint and a fixing piece, and the fixing piece is sleeved on the joint;
[0012] The base is further provided with a fixing seat, and a groove matched with the shape of the fixing piece is arranged on the fixing seat.
[0013] In some embodiments, a first magnet is arranged on the fixing piece, and a second magnet is arranged on the fixing seat at a position corresponding to the first magnet.
[0014] In some embodiments, the fixing piece has a head portion and a tail portion, the head portion is inserted into the fixing seat, and the tail portion is dovetail-shaped.
[0015] In some embodiments, the joint is cylindrical, the joint has an upper section, a middle section and a lower section, the outer diameter of the upper section and the lower section is larger than that of the middle section, the fixing piece is sleeved on the middle section, a spring is further sleeved on the middle section, one end of the spring abuts against the fixing piece, and the other end of the spring abuts against the lower section.
[0016] In some embodiments, the base is further provided with a second clamp for fixing the pipe.
[0017] In some embodiments, a pipeline sensor is arranged on the second clamp, and the first push plate is connected with the movable end of the syringe.
[0018] In some embodiments, the first push plate has a clamping groove, and the clamping groove is clamped with the movable end of the syringe.
[0019] In some embodiments, the second clamp comprises a base and a clamping plate, and the base and the clamping plate are hinged through a torsion hinge.
[0020] In some embodiments, the liquid adding device further comprises a weighing mechanism, the weighing mechanism is arranged on the base and located below the second push plate.
[0021] The second push plate is provided with a through hole matched with the shape of the sample cup, the through hole is larger than the outer diameter of the cup body of the sample cup but smaller than the outer diameter of the cover body of the sample cup.
[0022] Additional aspects and advantages of the embodiments of the present application will be given in part in the following description, become apparent from the following description, or be learned from the practice of the embodiments of the present application.
[0023] Beneficial effects
[0024] The first linear module can accurately control the displacement of the first push plate, and can control the liquid volume of each liquid adding operation, thereby solving the problem of low precision caused by manual operation in the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor based on these drawings.
[0026] The methods, systems, and / or programs in the drawings will be further described according to exemplary embodiments. These exemplary embodiments will be described in detail with reference to the drawings. These exemplary embodiments are non-limiting exemplary embodiments, in which the example numbers represent similar mechanisms in each view of the drawings.
[0027] Figure 1 is a schematic structural diagram of a liquid adding device provided by an embodiment of the present application.
[0028] Figure 2 is another schematic structural diagram of a liquid adding device provided by an embodiment of the present application.
[0029] Figure 3 is a schematic structural diagram of the back of a liquid adding device provided by an embodiment of the present application.
[0030] Figure 4 is a schematic structural diagram of a joint assembly and a fixing seat provided by an embodiment of the present application.
[0031] Figure 5 is a schematic structural diagram of a second clamp provided by an embodiment of the present application.
[0032] Explanation of reference signs
[0033] 001-injector; 002-sample cup;
[0034] 100-base; 110-bottom plate; 120-fixing frame; 121-first bar-shaped through hole; 122-second bar-shaped through hole;
[0035] 200-first clamp; 210-first linear module; 220-first push plate; 221-clamping groove;
[0036] 300-second linear module; 310-second push plate; 311-through hole; 320-weighing mechanism;
[0037] 400-joint assembly; 410-fixing seat; 411-groove; 412-second magnet; 420-joint; 421-first magnet; 422-spring; 430-fixing piece;
[0038] 500-second clamp; 510-pipeline sensor; 520-base; 530-clamping plate; 540-torsion hinge. DETAILED DESCRIPTION
[0039] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0040] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0041] In the description of the utility model, it should be noted that the terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is placed, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.
[0042] In the description of the utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0043] In medical or chemical applications, it is often necessary to add a predetermined amount of liquid in a container for subsequent use. In the process of adding liquid, the prior art is generally manually operated by the operator, but manual operation is difficult to accurately control the liquid amount, and the precision is low.
[0044] Please refer to Figures 1 to 3In some embodiments, the utility model provides a liquid adding device, including base 100, first linear module 210, second linear module 300 and joint assembly 400, wherein the first clamp 200 is assembled on the base 100, and is used for fixing the syringe 001. The first linear module 210 includes motor, screw rod and free end, and the first push plate 220 is assembled on the free end, and is used for pushing the movable end of the syringe 001. The second linear module also includes motor, screw rod and free end, and the second push plate 310 is assembled on the free end, and is used for placing the sample cup 002. The joint assembly 400 is assembled on the base 100 and is located on the movement track of the second push plate 310, one end of the joint assembly 400 is communicated with the syringe 001 through a pipe, when the second push plate 310 pushes the sample cup 002 to the predetermined position, the sample cup 002 is inserted with the other end of the joint assembly 400. When using, the operator can first fix the needle cylinder part of the syringe 001 filled with liquid on the base 100 through the first clamp 200, and makes the movable end of the syringe 001 abut against the first push plate 220, places the sample cup 002 on the second push plate 310, makes the joint of the sample cup 002 coaxial with the joint assembly 400, then starts the second linear module 300, the second push plate 310 pushes the sample cup 002, and the joint part of the sample cup 002 is inserted with the joint assembly 400, and then the first linear module 210 is started, the first push plate 220 pushes the movable end of the syringe 001, and the liquid in the syringe 001 enters the sample cup 002 through the pipe and the joint assembly 400, and then the second push plate 310 retreats, and the sample cup 002 is separated from the joint assembly 400 due to its weight, and the liquid adding operation is completed. The displacement of the first push plate can be accurately controlled through the first linear module 210, so that the liquid volume of each liquid adding operation can be accurately controlled, and the problem of low precision caused by manual operation in the prior art is solved.
[0045] Preferably, the pipe is a hose.
[0046] Please refer to Figure 4 In some embodiments, the joint assembly 400 includes a joint 420 and a fixing piece 430, and the fixing piece 430 is sleeved on the joint 420. The base 100 is also provided with a fixing seat 410, and the fixing seat 410 is provided with a groove 411 matched with the shape of the fixing piece 430, and the fixing piece 430 is inserted with the groove 411. In actual application, since the joint assembly 400 is frequently in direct contact with the sample cup 002, in order to reduce the risk of infection of the sample, the joint assembly 400 needs to be cleaned frequently, and the insertion of the fixing piece 430 and the groove 411 can make the joint assembly 400 extremely convenient to install and disassemble, and improve the work efficiency.
[0047] Please continue to refer to Figure 4In some embodiments, the fixing member 430 is equipped with a first magnet 421, and the fixing base 410 is equipped with a second magnet 412 corresponding to the first magnet 421, and the first magnet 421 is attracted to the second magnet 412. Through the cooperation of the first magnet 421 and the second magnet 412, the plug-in cooperation of the fixing member 430 and the fixing base 410 is more stable.
[0048] Please continue to refer to Figure 4 In some embodiments, the fixing member 430 has a head and a tail, the head is plugged into the fixing base 410, and the tail is dovetail-shaped. The dovetail-shaped structure is convenient for an operator to hold, making the disassembly of the joint assembly 400 more convenient and further improving the work efficiency.
[0049] Please continue to refer to Figure 4 In some embodiments, the joint 420 is cylindrical, the joint 420 has an upper segment, a middle segment and a lower segment, the outer diameters of the upper segment and the lower segment are greater than that of the middle segment, the fixing member 430 is sleeved on the middle segment, and the fixing member 430 is in sliding cooperation with the middle segment of the joint 420. A spring 422 is also sleeved on the middle segment, one end of the spring 422 abuts against the bottom surface of the fixing member 430, and the other end abuts against the upper end surface of the lower segment of the joint 420. In actual application, under the pushing of the second push plate 310, the joint of the sample cup 002 is plugged into the joint 420, the sample cup 002 drives the joint 420 to continue to move for a distance after plugging, and gradually slows down under the action of the spring 422. The spring 422 provides a buffer for the plugging action of the sample cup 002 and the joint 420, avoiding damage to the sample cup 002 or the joint assembly 400 during plugging.
[0050] Specifically, the joint 420 can be a split structure, for example, the upper segment is a male luer joint, the middle segment is a female luer joint, and the lower segment is a liquid adding joint. The split structure is more convenient for an operator to clean the joint assembly 400.
[0051] Please refer to Figure 1 In some embodiments, the base 100 is also equipped with a second clamp 500 for fixing the pipe.
[0052] Please refer to Figure 5In some embodiments, the pipeline sensor 510 is assembled on the second clamp 500. The first push plate 220 is connected with the movable end of the syringe 001. A position sensor is assembled on the base 100 at a position corresponding to the end point of the movement track of the movable end of the syringe 001. When the liquid adding device is controlled by an industrial computer, the first linear module 210, the pipeline sensor 510 and the position sensor are all in communication connection with the industrial computer. In use, when the movable end of the syringe 001 moves to the end point, the first sensor gives feedback, at which time the liquid in the syringe 001 is exhausted. Then the first push plate 220 drives the movable end of the syringe 001 to retreat, and the residual liquid in the hose is sucked into the needle cylinder by the syringe 001, at which time the pipeline sensor 510 detects the change of the liquid pressure in the hose and gives feedback, so that the operator can confirm that the liquid in the syringe 001 is exhausted through the feedback and replace it.
[0053] Please continue to refer to Figure 5 In some embodiments, the first push plate 220 has a clamping groove 221 which is clamped with the movable end of the syringe 001 and can realize the push-pull operation of the movable end of the syringe 001 under the driving of the first linear module 210.
[0054] Please continue to refer to Figure 5 In some embodiments, the second clamp 500 includes a base 520 and a clamping plate 530 which are hinged through a torsion hinge 540. The opening and closing operation of the second clamp 500 can be completed by pressing the clamping plate 530, which facilitates the replacement of the hose by the operator and improves the work efficiency.
[0055] Please refer to Figure 1 and Figure 2 In some embodiments, the liquid adding device further includes a weighing mechanism 320 which is assembled on the base 100 below the second push plate 310. A through hole 311 matching the shape of the sample cup 002 is opened on the second push plate 310, which is larger than the outer diameter of the cup body of the sample cup 002 but smaller than the outer diameter of the cover body of the sample cup 002. The weighing mechanism 320 is in position corresponding to the through hole 311. After each liquid adding operation is completed, the sample cup 002 retreats to the initial position, and the liquid amount in the sample cup 002 can be confirmed through the data feedback by the weighing mechanism 320, so that the operator can review the liquid amount through the data.
[0056] Specifically, the weighing mechanism 320 includes a tray for placing the sample cup 002 and a weighing sensor assembled below the tray.
[0057] Further, a liquid leakage hole is also opened on the tray. In actual application, there is a case that residual liquid leaks from the joint assembly 400 to the tray, and the liquid leakage hole can timely drain the residual liquid in the tray to avoid the influence of the residual liquid on the data of the weighing sensor.
[0058] In some specific embodiments, the base 100 is further provided with a first push plate 220 reset sensor for detecting whether the first push plate 220 is reset, a second push plate 310 reset sensor for detecting whether the second push plate 310 is reset, a display screen for displaying data information of each sensor, and a main control board connected with the first linear module 210, the second linear module 300, the pipeline sensor 510, the weighing sensor, the display screen, the position sensor, the first push plate 220 reset sensor and the second push plate 310 reset sensor respectively for controlling the liquid adding device. The control method can be realized based on a computer data processing method. Since the software method does not belong to the protection object of the present embodiment, it will not be described in detail in the present embodiment. The data management method in the prior art can be adopted.
[0059] Please refer to Figure 2 Figure 2 In some specific embodiments, the base 100 includes a bottom plate 110 and a fixed frame 120 assembled in the middle of the bottom plate 110 and perpendicular to the bottom plate 110. The first linear module 210 and the second linear module 300 are assembled on the bottom plate 110 and located at the back of the fixed frame 120. The first clamp 200, the second clamp 500 and the fixed seat 410 are assembled on the front of the fixed frame 120. The fixed frame 120 is provided with a first slot-shaped hole 121 along the movement direction of the first push plate 220. The first push plate 220 is connected with the movable end of the syringe by penetrating through the first slot-shaped hole 121. The fixed frame 120 is provided with a second slot-shaped hole 122 along the movement direction of the second push plate 310. The second push plate 310 penetrates through the second slot-shaped hole 122.
[0060] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application. The scope of the present application is defined by the claims and their equivalents.
Claims
1. Liquid adding device, characterized in that The utility model relates to a liquid adding device for sample cup, which comprises a base (100) and a first clamp (200) mounted on the base (100) for fixing a syringe (001);a first linear module (210) is mounted on the base (100), and a first push plate (220) is mounted on the free end of the first linear module (210) for pushing the movable end of the syringe (001);a second linear module (300) is mounted on the base (100), and a second push plate (310) is mounted on the free end of the second linear module (300) for placing a sample cup (002);a joint assembly (400) is mounted on the base (100), and a fixing seat (410) is located on the movement track of the second push plate (310), one end of the joint assembly (400) is communicated with the syringe (001) through a pipe, and the other end is used for inserting a joint of the sample cup (002). The joint assembly (400) comprises a joint (420) and a fixing piece (430), and the fixing piece (430) is sleeved on the joint (420); The base (100) is further provided with a fixing seat (410), and the fixing seat (410) is provided with a groove (411) matched with the shape of the fixing piece (430), and the fixing piece (430) is inserted and matched with the groove (411). The fixing piece (430) is provided with a first magnet (421), and a second magnet (412) is mounted on the fixing seat (410) corresponding to the first magnet (421). The fixing piece (430) has a head and a tail, the head is inserted and matched with the fixing seat (410), and the tail is dovetail-shaped.
2. The liquid adding device according to claim 1, wherein The joint (420) is cylindrical, and the joint (420) has an upper section, a middle section and a lower section, the outer diameter of the upper section and the lower section is larger than that of the middle section, the fixing piece (430) is sleeved on the middle section, a spring (422) is further sleeved on the middle section, one end of the spring (422) abuts against the fixing piece (430), and the other end of the spring (422) abuts against the lower section. The base (100) is further provided with a second clamp (500) for fixing the pipe.
3. The liquid adding device according to claim 2, wherein The second clamp (500) is provided with a pipeline sensor (510), and the first push plate (220) is connected with the movable end of the syringe (001).
4. The liquid adding device according to claim 2, wherein The first push plate (220) has a clamping groove (221), and the clamping groove (221) is clamped with the movable end of the syringe (001).
5. The liquid adding device according to claim 2, wherein The second clamp (500) comprises a base (520) and a clamping plate (530), and the base (520) and the clamping plate (530) are hinged through a torsion hinge (540).
6. The liquid adding device according to claim 1, wherein The liquid adding device further comprises a weighing mechanism (320) mounted on the base (100) below the second push plate (310).
7. The liquid adding device according to claim 6, wherein 8. The liquid adding device according to claim 7, wherein 9. The liquid adding device according to claim 6, wherein 10. The liquid adding device according to claim 1, wherein The second push plate (310) is provided with a through hole (311) matching the shape of the sample cup (002), the through hole (311) is larger than the outer diameter of the cup body of the sample cup (002), but smaller than the outer diameter of the cover body of the sample cup (002).