Liquid adding device and liquid injection gun for intelligent laboratory

Abstract

The utility model relates to the technical field of laboratory liquid adding devices, in particular to an intelligent laboratory liquid adding device and a liquid injection gun, the intelligent laboratory liquid adding device comprises a storage box, a discharging port is formed in one side of the storage box, a discharging pipe is fixedly connected to the inner wall of the discharging port, and an extension plate is fixedly connected to the storage box; the lower side of the extension plate is fixedly connected with an infusion pump matched with the discharge pipe, and the output end of the infusion pump is provided with a liquid injection gun assembly; the upper side of the storage box is fixedly connected with a stirring motor. Through the arrangement of the placing frame, the movable opening and the stress block, after the bearing container is placed, the stress block is extruded downwards, the trigger assembly is extruded, so that the contact switch is turned on, then the stirring motor is controlled to drive the stirring rod to stir, all components are uniformly mixed again, it is guaranteed that the taken liquid has the accurate component proportion during liquid adding, and the liquid adding efficiency is improved. Therefore, the subsequent experiment result is more accurate and reliable.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of laboratory liquid adding devices, in particular to a liquid adding device and a liquid injection gun for an intelligent laboratory. BACKGROUND

[0002] The liquid adding device of the laboratory refers to a device specially designed for controlling the volume of liquid in a laboratory environment. This device is usually used for processing and preparing experimental samples such as solutions, suspensions or biological samples, etc. to ensure the accuracy and repeatability of experiments.

[0003] Through retrieval, a laboratory automatic liquid adding device disclosed in Chinese patent application No. CN202320943053.1 adopts a working mode of cooperation of three parts of a liquid adding unit, a lifting unit and a tray moving unit. The liquid adding unit is responsible for automatic liquid adding, the tray moving unit is responsible for transporting the tray, and the lifting unit controls the lifting of the liquid adding head to assist liquid adding. The continuous automatic liquid adding of multiple triangular flasks can be realized, and the problems of physical fatigue caused by heavy labor of experimenters and physical discomfort caused by frequent contact of experimenters with strong acid, strong alkali and volatile reagents are solved.

[0004] For the related technologies in the above, the inventors found that the following defects exist: In the actual use process, due to the change of physical or chemical properties of the principle, when the liquid raw material is stored for a certain period of time, it is easy to precipitate or stratify, such as suspension, emulsion, colloidal solution, etc. When taking the material, due to the precipitation or stratification, it is easy to take the wrong components or the mixture with incorrect proportion, resulting in inaccurate material taking. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the problems mentioned in the background art, the application provides a liquid adding device and a liquid injection gun for an intelligent laboratory.

[0006] The liquid adding device and the liquid injection gun for an intelligent laboratory provided by the application adopt the following technical scheme: a storage box is provided, a discharge port is formed in one side of the storage box, a discharge pipe is fixedly connected to the inner wall of the discharge port, an extension plate is fixedly connected to the storage box, a liquid pumping pump matched with the discharge pipe is fixedly connected to the lower side of the extension plate, and a liquid injection gun assembly is arranged at the output end of the liquid pumping pump.

[0007] The upper side of the storage box is fixedly connected with a stirring motor, the upper side of the inner wall of the storage box is rotationally connected with a stirring rod fixedly connected with the output end of the stirring motor, the storage box is fixedly connected with a bearing plate, the bearing plate is fixedly connected with a placing frame, the lower side of the placing frame is provided with a movable opening, the inner wall of the movable opening is slidingly connected with a stress block, the lower side of the placing frame is fixedly connected with a trigger frame, the lower side of the inner wall of the trigger frame is fixedly connected with a contact switch matched with the stirring motor, the lower side of the stress block is provided with a trigger assembly, and the lower side of the liquid injection gun assembly is provided with a protection mechanism.

[0008] Optionally, the liquid injection gun assembly comprises a flow metering valve fixedly connected to the output end of the liquid pumping pump, a liquid injection gun body fixedly connected to the output end of the flow metering valve, and an intelligent controller fixedly connected to the upper side of the extension plate, which is matched with the flow metering valve and the liquid pumping pump.

[0009] Optionally, the trigger assembly comprises a movable plate fixedly connected to the lower side of the stress block and slidingly matched with the trigger frame, a trigger rod fixedly connected to the lower side of the movable plate and matched with the contact switch, and two reset springs fixedly connected between the movable plate and the trigger frame.

[0010] Optionally, the protection mechanism comprises a hollow groove plate fixedly connected to the lower side of the flow metering valve, a push plate slidingly and elastically matched with the inner wall of the hollow groove plate, a protection plate fixedly connected to one side of the push plate, a protection sponge fixedly connected to the upper side of the protection plate, and a pressure rod fixedly connected to the push plate and located below the protection plate.

[0011] Optionally, one side of the storage box is provided with an observation opening, and the inner wall of the observation opening is provided with a transparent scale plate.

[0012] Optionally, the lower side of the inner wall of the storage box is provided with a hidden groove, and the inner wall of the hidden groove is fixedly connected with a heating plate.

[0013] Optionally, one side of the storage box is provided with a temperature sensing head, and one side of the temperature sensing head is fixedly connected with a display screen.

[0014] Optionally, the inner wall of the storage box is fixedly connected with a protection net, and the protection net is matched with the discharge pipe.

[0015] In summary, the present application has the following beneficial technical effects:

[0016] 1. The utility model discloses a frame, movable opening, stress block can be realized when placing the bearing container, to the stress block extrusion, through the extrusion of trigger assembly, make to the contact switch open, control stirring motor drive stirring rod stirring again, make each component re -evenly mix, guarantee the liquid of taking when adding liquid has accurate component ratio, thereby make subsequent experiment result more accurate and reliable.

[0017] 2. By setting up a protective mechanism, this utility model can ensure that when the push plate is reset, the protective plate and the protective sponge will directly contact the output end of the injection gun body, thereby sealing the injection gun body and effectively blocking dust and particles to prevent them from entering the inside of the injection head and keeping the injection head clean. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure in an embodiment of this application;

[0019] Figure 2 This is an embodiment of the present application. Figure 1 Enlarged structural diagram of point A;

[0020] Figure 3 This is a schematic diagram of the overall three-dimensional cross-section of the embodiments of this application;

[0021] Figure 4 This is a schematic diagram of the three-dimensional cross-section of the bearing plate in an embodiment of this application;

[0022] Figure 5 This is a three-dimensional structural diagram of the protective mechanism in the embodiments of this application.

[0023] Reference numerals: 1. Storage tank; 2. Discharge port; 3. Discharge pipe; 4. Extension plate; 5. Liquid pump; 6. Injection gun assembly; 601. Flow meter valve; 602. Injection gun body; 603. Intelligent controller; 7. Stirring motor; 8. Stirring rod; 9. Support plate; 10. Placement frame; 11. Movable port; 12. Force block; 13. Trigger frame; 14. Contact switch; 15. Trigger assembly; 151. Movable plate; 152. Trigger rod; 153. Return spring; 16. Protective mechanism; 161. Empty slot plate; 162. Push plate; 163. Protective plate; 164. Protective sponge; 165. Pressure rod; 17. Observation port; 18. Transparent scale plate; 19. Hidden slot; 20. Heating plate; 21. Temperature sensing head; 22. Display screen; 23. Protective net. Detailed Implementation

[0024] The following is in conjunction with the appendix Figure 1 —5 provides further details regarding this application.

[0025] This application discloses a liquid dispensing device and a liquid injection gun for a smart laboratory. For example... Figures 1-5 As shown, a storage tank 1 has a discharge port 2 on one side. A discharge pipe 3 is fixedly connected to the inner wall of the discharge port 2. An extension plate 4 is fixedly connected to the storage tank 1. A liquid pump 5 that cooperates with the discharge pipe 3 is fixedly connected to the lower side of the extension plate 4. An injection gun assembly 6 is provided at the output end of the liquid pump 5.

[0026] Please see Figure 1 andFigure 2 The liquid injection gun assembly 6 includes a flow metering valve 601 fixedly connected to the output end of the liquid pumping pump 5, a liquid injection gun body 602 fixedly connected to the output end of the flow metering valve 601, and a smart controller 603 fixedly connected to the upper side of the extension plate 4. The smart controller 603 cooperates with the flow metering valve 601 and the liquid pumping pump 5, and controls the liquid pumping pump 5 through the smart controller 603. During the liquid pumping process, the liquid injection gun body 602 calculates the flow of the liquid. When the liquid reaches the set capacity, a signal is transmitted to the smart controller 603, and the smart controller 603 stops the liquid pumping pump 5 from pumping, thereby achieving liquid addition.

[0027] Please refer to Figure 1 A viewing port 17 is formed on one side of the storage tank 1, and a transparent scale plate 18 is arranged on the inner wall of the viewing port 17. The liquid condition in the storage tank 1 can be observed through the transparent scale plate 18 in the viewing port 17, which is convenient for personnel to use.

[0028] Please refer to Figure 3 A hidden groove 19 is formed on the lower side of the inner wall of the storage tank 1, and a heating plate 20 is fixedly connected to the inner wall of the hidden groove 19. After some raw materials are added, the heating plate 20 can heat in the hidden groove 19 to heat the raw materials inside, so that the stirring is more uniform.

[0029] Please refer to Figure 3 A temperature sensing head 21 is arranged on one side of the storage tank 1, and a display screen 22 is fixedly connected to one side of the temperature sensing head 21. The temperature sensing head 21 detects the liquid in the storage tank 1, and then the temperature can be displayed through the display screen 22.

[0030] Please refer to Figure 3 A protective net 23 is fixedly connected to the inner wall of the storage tank 1, and cooperates with the discharge pipe 3. The protective net 23 can filter the flowing liquid to reduce the blockage of the liquid injection gun body 602 caused by particles.

[0031] A stirring motor 7 is fixedly connected to the upper side of the storage tank 1, a stirring rod 8 fixedly connected to the output end of the stirring motor 7 is rotatably connected to the upper side of the inner wall of the storage tank 1, a bearing plate 9 is fixedly connected to the storage tank 1, a placing frame 10 is fixedly connected to the bearing plate 9, a movable opening 11 is formed on the lower side of the placing frame 10, a stress block 12 is slidably connected to the inner wall of the movable opening 11, a trigger frame 13 is fixedly connected to the lower side of the placing frame 10, a contact switch 14 cooperating with the stirring motor 7 is fixedly connected to the inner wall of the trigger frame 13, a trigger assembly 15 is arranged on the lower side of the stress block 12, and a protection mechanism 16 is arranged on the lower side of the liquid injection gun assembly 6.

[0032] Please refer to Figure 4The triggering assembly 15 comprises a movable plate 151 fixedly connected to the lower side of the stress block 12 and slidingly matched with the triggering frame 13, a triggering rod 152 fixedly connected to the lower side of the movable plate 151 and matched with the contact switch 14, and two reset springs 153 fixedly connected between the movable plate 151 and the triggering frame 13. After the container is placed into the placing frame 10, the stress block 12 is pressed, the movable plate 151 presses the reset springs 153, the reset springs 153 move downward and contact the contact switch 14, the contact switch 14 controls the rotation of the stirring motor 7 when the container is opened, the stirring is automatically performed after the container is placed, and the uniformity in the storage box 1 is improved.

[0033] Please refer to Figure 2 and Figure 5 The protection mechanism 16 comprises an empty groove plate 161 fixedly connected to the lower side of the flow meter valve 601, a pushing plate 162 slidingly and elastically matched with the inner wall of the empty groove plate 161, a protection plate 163 fixedly connected to one side of the pushing plate 162, a protection sponge 164 fixedly connected to the upper side of the protection plate 163, and a pressure rod 165 fixedly connected to the pushing plate 162 and located at the lower side of the protection plate 163. When the corresponding container is placed, the pushing plate 162 moves to one side by pressing the pressure rod 165, the protection plate 163 and the protection sponge 164 move in the same direction, the liquid injection gun body 602 is opened, and when not in use, the pushing plate 162 is reset in the empty groove plate 161, and the protection plate 163 and the protection sponge 164 can protect the liquid injection gun body 602.

[0034] The implementation principle of the liquid adding device of the intelligent laboratory and the liquid injection gun is as follows: when the device is needed, the container for receiving liquid is placed in the placing frame 10. During the placing process, the container presses the pressure rod 165, the pushing plate 162 moves in the empty groove plate 161, and the protection plate 163 and the protection sponge 164 are separated from the liquid injection gun body 602, so that the liquid injection gun body 602 is exposed.

[0035] When the container enters the placing frame 10, the container first presses the stress block 12 to slide in the movable port 11, the movable plate 151 shrinks the reset spring 153, the triggering rod 152 contacts the contact switch 14, the contact switch 14 starts the stirring motor 7 to rotate, the stirring motor 7 stirs the liquid in the storage box 1, the components are uniformly mixed again, the liquid taken during liquid adding has an accurate component ratio, and the subsequent experimental results are more accurate and reliable.

[0036] Then the liquid pump 5 can be controlled by starting the intelligent controller 603 to draw liquid in the storage tank 1 through the discharge pipe 3, and the liquid flow is calculated when passing through the liquid injection gun body 602, and when the corresponding liquid is added, the signal is transmitted to the intelligent controller 603, and then the intelligent controller 603 controls the liquid pump 5 to be closed, so as to realize automatic metering and feeding, and the intelligent controller 603 can be a voice intelligent control device, so as to improve the intelligent degree of the device.

[0037] After use, the container is taken out, the pressure rod 165 is no longer limited, the push plate 162 is reset, the protective plate 163 and the protective sponge 164 are directly contacted with the output end of the liquid injection gun body 602 again, the liquid injection gun body 602 is sealed, dust and particles can be effectively blocked from entering the inside of the filling head, the filling head is kept clean, and the elastic member between the empty slot plate 161 and the push plate 162 is automatically reset when not subjected to external force.

[0038] The above are preferred embodiments of the application, and are not intended to limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A liquid dispensing device and dispensing gun for an intelligent laboratory, comprising a storage tank (1), characterized in that: The storage tank (1) has a discharge port (2) on one side. A discharge pipe (3) is fixedly connected to the inner wall of the discharge port (2). An extension plate (4) is fixedly connected to the storage tank (1). A liquid pump (5) that cooperates with the discharge pipe (3) is fixedly connected to the lower side of the extension plate (4). An injection gun assembly (6) is provided at the output end of the liquid pump (5). A stirring motor (7) is fixedly connected to the upper side of the storage tank (1). A stirring rod (8) is rotatably connected to the upper side of the inner wall of the storage tank (1) and fixedly connected to the output end of the stirring motor (7). A support plate (9) is fixedly connected to the storage tank (1). A placement frame (10) is fixedly connected to the support plate (9). An movable opening (11) is opened on the lower side of the placement frame (10). A force block (12) is slidably connected to the inner wall of the movable opening (11). A trigger frame (13) is fixedly connected to the lower side of the placement frame (10). A contact switch (14) that cooperates with the stirring motor (7) is fixedly connected to the lower side of the inner wall of the trigger frame (13). A trigger assembly (15) is provided on the lower side of the force block (12). A protective mechanism (16) is provided on the lower side of the injection gun assembly (6).

2. The liquid dispensing device and dispensing gun for an intelligent laboratory according to claim 1, characterized in that: The injection gun assembly (6) includes a flow meter valve (601) fixedly connected to the output end of the pump (5), an injection gun body (602) fixedly connected to the output end of the flow meter valve (601), and an extension plate (4) fixedly connected to the extension plate. The upper intelligent controller (603) works in conjunction with the flow meter valve (601) and the liquid pump (5).

3. The liquid dispensing device and dispensing gun for an intelligent laboratory according to claim 1, characterized in that: The trigger assembly (15) includes a movable plate (151) fixedly connected to the lower side of the force block (12) and slidingly engaged with the trigger frame (13), a trigger rod (152) fixedly connected to the lower side of the movable plate (151) and engaged with the contact switch (14), and two reset springs (153) fixedly connected between the movable plate (151) and the trigger frame (13).

4. The liquid dispensing device and dispensing gun for an intelligent laboratory according to claim 2, characterized in that: The protective mechanism (16) includes a hollow slot plate (161) fixedly connected to the lower side of the flow meter valve (601), a push plate (162) that slides and elastically fits the inner wall of the hollow slot plate (161), and a push plate (162) fixedly connected to the push plate (162). A protective plate (163) on one side, a protective sponge (164) fixedly connected to the upper side of the protective plate (163), and a pressure rod (165) fixedly connected to the push plate (162) and located on the lower side of the protective plate (163).

5. The liquid dispensing device and dispensing gun for an intelligent laboratory according to claim 1, characterized in that: The storage box (1) has an observation port (17) on one side, and a transparent scale plate (18) is provided on the inner wall of the observation port (17).

6. The liquid dispensing device and dispensing gun for an intelligent laboratory according to claim 1, characterized in that: The storage box (1) has a hidden groove (19) on the lower side of its inner wall, and a heating plate (20) is fixedly connected to the inner wall of the hidden groove (19).

7. The liquid dispensing device and dispensing gun for an intelligent laboratory according to claim 1, characterized in that: A temperature sensor (21) is provided on one side of the storage box (1), and a display screen (22) is fixedly connected to one side of the temperature sensor (21).

8. The liquid dispensing device and dispensing gun for an intelligent laboratory according to claim 1, characterized in that: The inner wall of the storage box (1) is fixedly connected with a protective net (23), and the protective net (23) cooperates with the discharge pipe (3).

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