A constant volume feeding system for laboratory sample preparation

Abstract

The utility model discloses a kind of constant-volume liquid supply systems for laboratory sample preparation, it is related to laboratory sample preparation technical field, including installation bottom plate, installation top plate and top cover, the upper side of the fixed rod is fixed on the both sides upper side of installation bottom plate, and the upper side of fixed rod is fixed with support plate, the middle part of installation bottom plate, support plate is equipped with pen-shaped cylinder, and the piston rod top of pen-shaped cylinder is fixed with installation top plate, the both sides below of installation top plate are fixed with top cover by support column, and the lower side of top cover is equipped with liquid storage barrel. This constant-volume liquid supply system for laboratory sample preparation, pen-shaped cylinder is driven to open installation top plate and the lift of top cover by telescopic, and then it is convenient to open the top cover of liquid storage barrel upper side, for automatic quick change barrel liquid, for raw material to carry out rationalization storage and use, substantially improve the precision and filling efficiency of filling liquid, the setting of liquid level sensor is convenient for carrying out monitoring to liquid level, without manual intervention, real-time liquid level detection can be carried out.

Description

Technical Field

[0001] This utility model relates to the field of laboratory sample preparation technology, specifically a volumetric liquid supply system for laboratory sample preparation. Background Technology

[0002] Laboratory sample preparation is commonly used in laboratories to prepare reagent solutions of various concentrations and compositions for chemical analysis, reactions, or other experimental operations.

[0003] In laboratory sample preparation experiments, the traditional method of dilution and volume determination involves manually adding ultrapure water and ethanol in ordinary beakers. This manual addition results in inconsistent proportions and low efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a volumetric liquid supply system for laboratory sample preparation, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a laboratory sample preparation volumetric liquid supply system, comprising a mounting base plate, a mounting top plate, and a top cover. Fixing rods are fixed to the upper sides of both sides of the mounting base plate, and a support plate is fixed to the upper side of the fixing rods. A pen-shaped cylinder is installed in the middle of the mounting base plate and the support plate, and the top plate is fixed to the top of the piston rod of the pen-shaped cylinder. A top cover is fixed to both lower sides of the mounting top plate via support columns, and a liquid storage tank is installed on the lower side of the top cover. A peristaltic pump is installed on the top of the top cover, and a liquid outlet connector is connected to the upper side of the peristaltic pump. A flexible suction tube located inside the liquid storage tank is connected to the lower side of the peristaltic pump. A liquid level sensor is installed in the middle of the top cover.

[0006] Furthermore, guide rods are fixed to the lower left and right sides of the mounting top plate, and linear bearings penetrating the support plate are installed on the lower side of the guide rods.

[0007] Furthermore, an extension plate is fixed to the front side of the support plate, and a lifting rod is installed on the upper middle part of the extension plate.

[0008] Furthermore, a bearing plate is fixed to the upper side of the lifting rod, and the bearing plate and the extension plate are parallel to each other.

[0009] Furthermore, a stabilizing positioning component is installed on the upper side of the support plate, and the stabilizing positioning component includes a side plate, which is fixed to the left and right sides of the support plate.

[0010] Furthermore, the stabilizing positioning component also includes a telescopic rod and a movable clamping plate. A telescopic rod is installed on one side of the side plate, and a movable clamping plate is fixed to one end of the telescopic rod. The movable clamping plate has an arc-shaped structure.

[0011] Furthermore, the stabilizing positioning component also includes a fixed clamping plate, which is fixed to the upper middle part of the bearing plate, and the fixed clamping plate has an "X" shaped structure.

[0012] This invention provides a laboratory sample preparation and volumetric liquid supply system, which has the following advantages: This utility model features a pen-shaped cylinder, which, through extension and retraction, drives the lifting and lowering of the mounting top plate and top cover. The cooperation of the guide rod and linear bearing ensures smooth lifting and lowering of the mounting top plate, facilitating the opening of the top cover on the upper side of the storage tank. This enables automated and rapid tank changing and liquid addition, allowing for rational storage and use of raw materials, significantly improving the accuracy and efficiency of liquid addition. The liquid level sensor facilitates real-time monitoring of the liquid level without manual intervention, enabling control via electrical connection to the liquid level sensor for low-level alarms or automated liquid addition. The peristaltic pump and outlet connector facilitate liquid output. With good practicality and ease of promotion and application, this invention possesses significant practical value.

[0013] This utility model is equipped with a stable positioning component. The support plate is used to support the liquid storage tank. The position of the movable clamping plate can be easily adjusted by extending and retracting the telescopic rod. The "X" shaped structure, together with the two arc-shaped movable clamping plates on the left and right, can position and clamp the two liquid storage tanks, improving the support stability of the liquid storage tanks. The height of the support plate can be easily adjusted by extending and retracting the lifting rod, making it suitable for supporting liquid storage tanks of different depths. Attached Figure Description

[0014] Figure 1 This is a partial front view of a laboratory sample preparation and volumetric liquid supply system according to the present invention. Figure 2 This is a partial side view of a laboratory sample preparation and volumetric liquid supply system according to the present invention. Figure 3 This is a schematic diagram of the overall rear view structure of a laboratory sample preparation and volumetric liquid supply system according to the present invention; Figure 4 This is a schematic diagram of the stable positioning component of a laboratory sample preparation and volumetric liquid supply system according to the present invention.

[0015] In the diagram: 1. Mounting base plate; 2. Fixing rod; 3. Support plate; 4. Pen-shaped cylinder; 5. Mounting top plate; 6. Guide rod; 7. Linear bearing; 8. Support column; 9. Top cover; 10. Liquid storage tank; 11. Peristaltic pump; 12. Liquid outlet connector; 13. Liquid level sensor; 14. Extension plate; 15. Lifting rod; 16. Bearing plate; 17. Stabilizing positioning assembly; 1701. Side plate; 1702. Telescopic rod; 1703. Moving clamp; 1704. Fixed clamp. Detailed Implementation

[0016] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0017] like Figures 1-3 As shown, a laboratory sample preparation volumetric liquid supply system includes a mounting base plate 1, a mounting top plate 5, and a top cover 9. Fixing rods 2 are fixed to the upper sides of both sides of the mounting base plate 1, and a support plate 3 is fixed to the upper side of the fixing rods 2. A pen-shaped cylinder 4 is installed in the middle of the mounting base plate 1 and the support plate 3, and the top of the piston rod of the pen-shaped cylinder 4 is fixed to the top of the mounting top plate 5. The top cover 9 is fixed to both sides of the lower part of the mounting top plate 5 via support columns 8. A liquid storage tank 10 is installed on the lower side of the top cover 9. A peristaltic pump 11 is installed on the top of the top cover 9, and a liquid outlet connector 12 is connected to the upper side of the peristaltic pump 11. A flexible pipette located inside the liquid storage tank 10 is connected to the lower side of the peristaltic pump 11. A liquid level sensor 13 is installed in the middle of the top cover 9. Guide rods 6 are fixed on the lower left and right sides of the 5, and linear bearings 7 that penetrate the support plate 3 are installed on the lower side of the guide rods 6. The pen-shaped cylinder 4 can drive the lifting and lowering of the mounting top plate 5 and the top cover 9 by extension and retraction. At this time, the cooperation of the guide rods 6 and the linear bearings 7 makes the lifting and lowering of the mounting top plate 5 smooth, which makes it easy to open the top cover 9 on the upper side of the liquid storage tank 10 for automated and rapid tank changing and liquid filling, which greatly improves the accuracy and efficiency of liquid filling. The liquid level sensor 13 is set to facilitate the real-time monitoring of the liquid level without manual intervention. It can detect the liquid level in real time, so as to facilitate the control that is electrically connected to the liquid level sensor 13 to provide low liquid level alarm reminders or automated liquid filling. The peristaltic pump 11 and the liquid outlet connector 12 facilitate the output of liquid.

[0018] like Figures 3-4As shown, an extension plate 14 is fixed to the front side of the support plate 3, and a lifting rod 15 is installed on the upper side of the middle part of the extension plate 14. A bearing plate 16 is fixed to the upper side of the lifting rod 15, and the bearing plate 16 and the extension plate 14 are parallel to each other. A stabilizing positioning component 17 is installed on the upper side of the bearing plate 16, and the stabilizing positioning component 17 includes a side plate 1701, which is fixed to the left and right sides of the bearing plate 16. The stabilizing positioning component 17 also includes a telescopic rod 1702 and a movable clamping plate 1703. A telescopic rod 1702 is installed on one side of the side plate 1701, and a movable clamping plate 1703 is fixed to one end of the telescopic rod 1702. The 3-arc-shaped stable positioning component 17 also includes a fixed clamping plate 1704. The fixed clamping plate 1704 is fixed on the upper middle part of the bearing plate 16, and the fixed clamping plate 1704 has an "X" shape. The bearing plate 16 is used to support the liquid storage tank 10. The position of the movable clamping plate 1703 can be easily adjusted by the extension and retraction of the telescopic rod 1702. The "X" shape structure, together with the two arc-shaped movable clamping plates 1703 on the left and right, can position and clamp the two liquid storage tanks 10, improving the support stability of the liquid storage tanks 10. The height of the bearing plate 16 can be easily adjusted by the extension and retraction of the lifting rod 15, which is suitable for supporting liquid storage tanks 10 of different depths.

[0019] In summary, as Figures 1-4 As shown, this laboratory sample preparation constant volume liquid supply system, in use, firstly, the liquid storage tank 10 can be placed on the upper side of the support plate 16. At this time, the height of the support plate 16 can be adjusted by the extension and retraction of the lifting rod 15 to make it suitable for supporting liquid storage tanks 10 of different depths. Then, the position of the movable clamping plate 1703 can be adjusted by the extension and retraction of the telescopic rod 1702. The "X"-shaped structure, together with the two arc-shaped movable clamping plates 1703 on the left and right, can position and clamp the two liquid storage tanks 10, improving the support stability of the liquid storage tanks 10. Then, during use, through... The pen-shaped cylinder 4 can be extended and retracted to open the mounting top plate 5 and the top cover 9. At this time, the cooperation of the guide rod 6 and the linear bearing 7 makes the mounting top plate 5 rise and fall smoothly, thereby opening the top cover 9 on the upper side of the liquid storage tank 10 for automated and rapid tank changing and liquid addition. The liquid level sensor 13 can monitor the liquid level in real time, so that the control electrically connected to the liquid level sensor 13 can provide low liquid level alarm reminders or automated liquid addition. The peristaltic pump 11 and the liquid outlet connector 12 are used for liquid output. In this way, the use process of the laboratory sample preparation constant volume liquid supply system is completed.

[0020] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A laboratory sample preparation and volumetric liquid supply system, comprising a mounting base plate (1), a mounting top plate (5), and a top cover (9), characterized in that, The mounting base plate (1) is fixed with fixing rods (2) on both sides above, and a support plate (3) is fixed on the upper side of the fixing rods (2). A pen-shaped cylinder (4) is installed in the middle of the mounting base plate (1) and the support plate (3). A mounting top plate (5) is fixed on the top of the piston rod of the pen-shaped cylinder (4). A top cover (9) is fixed on both sides of the mounting top plate (5) by a support column (8). A liquid storage tank (10) is installed on the lower side of the top cover (9). A peristaltic pump (11) is installed on the top of the top cover (9). A liquid outlet connector (12) is connected to the upper side of the peristaltic pump (11). A flexible suction tube located inside the liquid storage tank (10) is connected to the lower side of the peristaltic pump (11). A liquid level sensor (13) is installed in the middle of the top cover (9).

2. The laboratory sample preparation and volumetric liquid supply system according to claim 1, characterized in that, Guide rods (6) are fixed on the lower left and right sides of the mounting top plate (5), and linear bearings (7) that penetrate the support plate (3) are installed on the lower side of the guide rods (6).

3. A laboratory sample preparation and volumetric liquid supply system according to claim 1, characterized in that, An extension plate (14) is fixed to the front side of the support plate (3), and a lifting rod (15) is installed on the upper middle part of the extension plate (14).

4. A laboratory sample preparation and volumetric liquid supply system according to claim 3, characterized in that, The upper side of the lifting rod (15) is fixed with a bearing plate (16), and the bearing plate (16) and the extension plate (14) are parallel to each other.

5. A laboratory sample preparation and volumetric liquid supply system according to claim 4, characterized in that, A stabilizing and positioning component (17) is installed on the upper side of the bearing plate (16), and the stabilizing and positioning component (17) includes a side plate (1701), and the side plate (1701) is fixed to the left and right sides of the bearing plate (16).

6. A laboratory sample preparation and volumetric liquid supply system according to claim 5, characterized in that, The stabilizing and positioning component (17) also includes a telescopic rod (1702) and a movable clamping plate (1703). The telescopic rod (1702) is installed on one side of the side plate (1701), and the movable clamping plate (1703) is fixed at one end of the telescopic rod (1702). The movable clamping plate (1703) has an arc-shaped structure.

7. A laboratory sample preparation and volumetric liquid supply system according to claim 6, characterized in that, The stable positioning component (17) also includes a fixed clamping plate (1704), which is fixed on the upper middle part of the bearing plate (16) and has an "X" shaped structure.

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