Multifunctional quantifying device applied to laboratory analysis and detection

Abstract

The utility model relates to the technical field of quantifying devices, in particular to a multifunctional quantifying device applied to laboratory analysis and detection. Comprising a shell, a control panel, a temperature controller, a rotating door plate, an electric sliding rail I, a movable plate, an electric push rod I, a lifting frame, a wedge-shaped rod, a sample fixing injector and the like, the control panel and the temperature controller are installed on the side face of the shell, the rotating door plate is rotationally connected to the side face of the shell, the electric sliding rail I is installed on the inner wall of the shell, and the movable plate is connected to a sliding block of the electric sliding rail I; the electric push rod I is connected to the side face of the movable plate, the lifting frame is connected to a telescopic rod of the electric push rod I, and the wedge-shaped rod and the sample fixing injector are symmetrically connected to the lifting frame. Through the cooperation of the electric push rod I, the sample fixing injector and the electric push rod II, a reagent can be automatically and accurately sampled, so that an experimenter can be prevented from being injured due to direct contact with the reagent, and the experiment efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of quantitative devices, in particular to a multifunctional quantitative device applied to laboratory analysis and detection. Background Technique

[0002] In the field of modern laboratory analysis and detection, accuracy, efficiency, and safety are the basic requirements for experimental operations. With the development of science and technology and the increasing complexity of industrial production, higher requirements are put forward for the speed and accuracy of sample analysis. The traditional manual operation method not only consumes time and effort but also easily introduces human errors. Especially in the case of a large number of repetitive experiments, the limitations of manual operation are more obvious.

[0003] Although the current sample dispensers on the market can meet the needs of laboratories to a certain extent, there are still some deficiencies. For example, most sample dispensers have relatively single functions and usually can only complete simple sample dispensing and adding tasks, unable to adapt to complex experimental processes; in addition, the automation degree of these devices is not high and requires frequent manual intervention, which not only reduces the experimental efficiency but also increases the operation risk; more importantly, the traditional sample dispensers lack an effective cleaning mechanism and are prone to cross-contamination between samples, which will affect the reliability of experimental results. Content of the Utility Model

[0004] In view of this, the utility model provides a multifunctional quantitative device applied to laboratory analysis and detection, which can overcome the disadvantages of the existing sample dispensers with relatively single functions, low automation degree, and the need for frequent manual intervention, which not only reduces the experimental efficiency but also increases the operation risk.

[0005] The technical solution is: a multifunctional quantitative device applied to laboratory analysis and detection, including a housing, a control panel, a thermostat, a rotating door panel, an electric slide rail I, a moving plate, an electric push rod I, a lifting frame, a wedge rod, a sample dispensing syringe, a pressure relief valve I, an electric push rod II, a storage mechanism, and a cleaning mechanism. The control panel and the thermostat are both installed on the side of the housing. The rotating door panel is rotatably connected to the side of the housing. The electric slide rail I is installed on the inner wall of the housing. The moving plate is connected to the slider of the electric slide rail I. The electric push rod I is connected to the side of the moving plate. The lifting frame is connected to the telescopic rod of the electric push rod I. The wedge rod and the sample dispensing syringe are symmetrically connected to the lifting frame. The pressure relief valve I is installed on the top surface of the sample dispensing syringe. The electric push rod II is connected to the sample dispensing syringe, and the upper end of the piston rod of the sample dispensing syringe is connected to the telescopic rod of the electric push rod II. The storage mechanism is used to store reagents and clean water, and the cleaning mechanism is used to clean the sample dispensing needle of the sample dispensing syringe.

[0006] Furthermore, the storage mechanism includes a fixed shell, a material storage cylinder, a water storage cylinder, a connecting pipe, a pressure relief valve II, an electric push rod III, a lifting plate, a sealing assembly, and a feeding assembly. The fixed shell is connected to the inner bottom of the shell at intervals. The fixed shell is respectively connected with a material storage cylinder and a water storage cylinder. The connecting pipe is connected to the top surface of the material storage cylinder. The pressure relief valve II is installed on the top surface of the material storage cylinder. The electric push rod III is connected to the inner bottom of the shell. The lifting plate is slidably connected to the material storage cylinder, and the lifting plate is connected to the telescopic rod of the electric push rod III. The sealing assembly is used to seal the connecting pipe. The feeding assembly is used to add reagents and clear water into the material storage cylinder and the water storage cylinder respectively.

[0007] Furthermore, the sealing assembly includes a guide sleeve, a sliding baffle, a connecting spring, and a short rod. The guide sleeve is connected to the material storage cylinder. The sliding baffle is slidably connected to the guide sleeve. The sliding baffle is slidably connected to the connecting pipe. The connecting spring connects the guide sleeve and the sliding baffle. The short rod is connected to the side of the sliding baffle, and the short rod is in contact and cooperation with the wedge-shaped rod.

[0008] Furthermore, the feeding assembly includes a liquid adding pipe, a fixed hopper, and a sealing cover. The liquid adding pipe is connected to the shell at intervals, and the lower ends of the liquid adding pipe are respectively connected to the top surfaces of the material storage cylinder and the water storage cylinder. The fixed hopper is connected to the upper end of the liquid adding pipe. The sealing cover is threadedly connected to the fixed hopper.

[0009] Furthermore, the cleaning mechanism includes a water pump, a three-way pipe, a spray head, a collection frame, a liquid discharge pipe, and a liquid discharge valve. The water pump is installed on the top surface of the water storage cylinder. The three-way pipe is connected to the moving plate, and the end of the three-way pipe is communicated with the water outlet of the water pump. The spray heads are installed at the other two ends of the three-way pipe. The collection frames are symmetrically connected to the inner bottom of the shell. The liquid discharge pipe is connected to the side of the collection frame, and the liquid discharge pipe penetrates through the side of the shell. The liquid discharge valve is installed on the liquid discharge pipe.

[0010] Furthermore, it further includes an electric slide rail II, a sliding plate, and a light-shielding cloth. The electric slide rail II is symmetrically installed inside the shell. The sliding plate is connected to the slider of the electric slide rail II. The light-shielding cloth is connected to the sliding plate and the inner wall of the shell.

[0011] The beneficial effects of the present utility model are as follows: Through the cooperation of the electric push rod I, the sample syringe, and the electric push rod II, the present utility model can automatically and accurately sample the reagent, which can not only avoid the harm caused by the experimenter directly contacting the reagent, but also improve the experimental efficiency. Moreover, through the function of the memory storage module, the parameters used can be added to the sample adding program with one-key operation. At the same time, since most experiments require repetitive verification, the thermostat can store according to the best preservation temperature of the reagent, improving the experimental accuracy and efficiency. Through the cooperation of the water pump, the three-way pipe, and the spray head, the sample needle of the sample syringe can be automatically cleaned without manual operation, reducing the difficulty of manual operation. Description of the Drawings

[0012] Figure 1 is a three-dimensional structural schematic diagram of the present utility model.

[0013] Figure 2 This is a cross-sectional view of the housing of the present utility model.

[0014] Figure 3 This is a schematic structural diagram of the lifting frame, the sample syringe, and the electric push rod II of the present utility model.

[0015] Figure 4 This is an installation schematic diagram of the sealing assembly of the present utility model.

[0016] Figure 5 This is a schematic structural diagram of the sliding baffle of the present utility model.

[0017] Figure 6 This is an installation schematic diagram of the feeding assembly and the cleaning mechanism of the present utility model.

[0018] Figure 7 This is an installation schematic diagram of the electric slide rail II, the sliding plate, and the light-shielding cloth of the present utility model.

[0019] Names and serial numbers of components in the figure: 1 - housing, 2 - control panel, 3 - thermostat, 4 - rotating door panel, 5 - electric slide rail I, 6 - moving plate, 7 - electric push rod I, 8 - lifting frame, 801 - wedge-shaped rod, 9 - sample syringe, 901 - pressure relief valve I, 10 - electric push rod II, 11 - fixed housing, 121 - material storage cylinder, 122 - water storage cylinder, 13 - connecting pipe, 14 - pressure relief valve II, 15 - electric push rod III, 16 - lifting plate, 17 - guide sleeve, 18 - sliding baffle, 19 - connecting spring, 20 - short rod, 21 - liquid adding pipe, 22 - fixed hopper, 23 - sealing cover, 24 - water pump, 25 - three-way pipe, 26 - nozzle, 27 - collection frame, 28 - drain pipe, 29 - drain valve, 30 - electric slide rail II, 31 - sliding plate, 32 - light-shielding cloth. Specific embodiments

[0020] The present utility model will be further described below in conjunction with specific embodiments. The illustrative embodiments and descriptions of this utility model are used to explain the present utility model, but not to limit the present utility model.

[0021] Embodiment: A multifunctional quantitative device applied to laboratory analysis and testing, such as Figures 1-6As shown in the figure, it includes a housing 1, a control panel 2, a thermostat 3, a rotating door panel 4, an electric slide rail I 5, a moving plate 6, an electric push rod I 7, a lifting frame 8, a wedge rod 801, a sample syringe 9, a pressure relief valve I 901, an electric push rod II 10, a storage mechanism and a cleaning mechanism. The top surface of the housing 1 is made of transparent material for easy observation of the internal situation of the housing 1. The control panel 2 is installed at the lower front part on the left side of the housing 1, the thermostat 3 is installed at the middle front part on the left side of the housing 1, the rotating door panel 4 is rotatably connected to the upper rear part on the left side of the housing 1, the electric slide rail I 5 is installed at the upper rear side of the inner wall of the housing 1, the moving plate 6 is connected to the slider of the electric slide rail I 5, the moving plate 6 is located directly to the right of the rotating door panel 4, the electric push rod I 7 is connected to the front side of the moving plate 6, the lifting frame 8 is connected to the telescopic rod of the electric push rod I 7, both the left and right sides of the lifting frame 8 are connected with wedge rods 801, the number of wedge rods 801 is two, both the left and right sides of the lifting frame 8 are connected with sample syringes 9, the number of sample syringes 9 is two, pressure relief valves I 901 are installed on the top surfaces of both sample syringes 9, electric push rods II 10 are connected to the front sides of both sample syringes 9, and the telescopic rods of the electric push rods II 10 are connected to the upper ends of the pistons of the sample syringes 9. The storage mechanism is used for storing reagents and clean water, and the cleaning mechanism is used for cleaning the sample needles of the sample syringes 9.

[0022] As Figures 2-6 shown, the storage mechanism includes a fixed shell 11, a material storage cylinder 121, a water storage cylinder 122, a connecting pipe 13, a pressure relief valve II 14, an electric push rod III 15, a lifting plate 16, a sealing component and a feeding component. Three fixed shells 11 are connected at intervals to the inner bottom of the housing 1. The upper parts of the two left fixed shells 11 are both connected with material storage cylinders 121, the number of material storage cylinders 121 is two, and the two material storage cylinders 121 correspond to the two sample syringes 9 one by one. The upper part of the right fixed shell 11 is connected with a water storage cylinder 122. The material storage cylinders 121 and the water storage cylinder 122 are both made of transparent material for easy observation of the remaining amount of reagents in the material storage cylinders 121 and the remaining amount of clean water in the water storage cylinder 122. Connecting pipes 13 are connected to the rear sides of the top surfaces of both material storage cylinders 121. The outer diameter of the sample syringe 9 is adapted to the inner diameter of the connecting pipe 13 so that when the sample syringe 9 moves downward and inserts into the connecting pipe 13, a sealing fit can be achieved. Pressure relief valves II 14 are installed on the front sides of the top surfaces of both material storage cylinders 121. Two electric push rods III 15 are connected to the inner bottom of the housing 1, and the two electric push rods III 15 are respectively located inside the two left fixed shells 11. Lifting plates 16 are slidably connected inside both material storage cylinders 121. The outer edges of the lifting plates 16 are attached to the inner walls of the material storage cylinders 121, and the lifting plates 16 correspond to the electric push rods III 15 one by one. The telescopic rods of the electric push rods III 15 are all connected to the bottom surfaces of their corresponding lifting plates 16. The sealing component is used for sealing the connecting pipe 13, and the feeding component is used for respectively adding reagents and clean water into the material storage cylinders 121 and the water storage cylinder 122.

[0023] As Figure 4 andFigure 5 As shown in the figure, the sealing assembly includes a guide sleeve 17, a sliding baffle 18, a connecting spring 19, and a short rod 20. Guide sleeves 17 are connected to the rear sides of the upper parts of both storage cylinders 121. The sliding baffle 18 is slidably connected to the guide sleeve 17. The sliding baffle 18 corresponds to the connecting pipe 13 one by one, and one end of the sliding baffle 18 close to the connecting pipe 13 can slidably penetrate the side surface of the connecting pipe 13 to block the inside of the connecting pipe 13 for sealing. A square plate is connected to the top surface of the sliding baffle 18. The two ends of the connecting spring 19 are respectively connected to the side surface of the guide sleeve 17 and the side surface of the square plate of the sliding baffle 18. The short rod 20 is connected to the right side of the sliding baffle 18 (described from the Figure 1 viewpoint shown). Openings for the front-back movement of the short rod 20 are provided on the right sides of the two guide sleeves 17, so as not to affect the front-back movement of the sliding baffle 18. The short rod 20 corresponds to the wedge rod 801 one by one, and when the wedge rod 801 moves downward, it can contact its corresponding short rod 20.

[0024] As Figure 6 shown, the feeding assembly includes a liquid adding pipe 21, a fixed hopper 22, and a sealing cover 23. Three liquid adding pipes 21 are connected to the upper part of the front side of the housing 1 at intervals from left to right. The lower ends of the two left liquid adding pipes 21 are respectively communicated with the top surfaces of the two storage cylinders 121, and the lower end of the right liquid adding pipe 21 is communicated with the top surface of the water storage cylinder 122. Fixed hoppers 22 are connected to the upper ends of the three liquid adding pipes 21. The diameter of the fixed hopper 22 gradually increases from bottom to top, and a sealing cover 23 is threadedly connected to the upper part of the outer wall of the fixed hopper 22.

[0025] As Figure 6 shown, the cleaning mechanism includes a water pump 24, a three-way pipe 25, a spray head 26, a collection frame 27, a drain pipe 28, and a drain valve 29. A water pump 24 is connected to the rear side of the top surface of the water storage cylinder 122. A water suction pipe (not shown in the figure) is connected to the water inlet of the water pump 24, and the lower end of the water suction pipe is located on the inner bottom surface of the water storage cylinder 122. The three-way pipe 25 is connected to the moving plate 6. The three-way pipe 25 is a flexible pipe, and the lower end of the three-way pipe 25 is communicated with the water outlet of the water pump 24. The other two ends of the three-way pipe 25 are both connected with a spray head 26. The two spray heads 26 correspond to the two sample syringes 9 one by one, and the spray head 26 is inclined and oriented towards the sample needle of the sample syringe 9. Two collection frames 27 are connected to the inner bottom of the housing 1. Drain pipes 28 are connected to the front sides of the collection frames 27, and the front ends of the drain pipes 28 penetrate the side surface of the housing 1. The drain valve 29 is installed on the drain pipe 28.

[0026] As Figure 7 shown, it further includes an electric slide rail II 30, a sliding plate 31, and a light-shielding cloth 32. Electric slide rails II 30 are symmetrically connected to the upper side inside the housing 1 from left to right. A sliding plate 31 is connected between the sliders of the two electric slide rails II 30. A light-shielding cloth 32 is connected between the rear side of the sliding plate 31 and the rear inner wall of the housing 1.

[0027] Initially, the sliding baffle 18 blocks the inside of the connecting pipe 13 to play a sealing role. First, the sealing cover 23 can be unscrewed and removed. Then, through the action of the fixed hopper 22 and the liquid adding pipe 21, appropriate amounts of reagent and clear water can be added into the storage barrel 121 and the water storage barrel 122 respectively. Then, the sealing cover 23 is tightened. If the reagent in the storage barrel 121 needs to be stored away from light, the control panel 2 can be used to control the electric slide rail II 30 to drive the sliding plate 31 to move forward. The sliding plate 31 can pull the front end of the light-shielding cloth 32 to move forward, so that the light-shielding cloth 32 unfolds to block the upper part of the storage barrel 121, thereby enabling the reagent in the storage barrel 121 to be stored away from light. If the reagent in the storage barrel 121 does not need to be stored away from light, the control panel 2 can be used to control the electric slide rail II 30 to drive the sliding plate 31 to move backward. The sliding plate 31 can push the front end of the light-shielding cloth 32 to move backward, so that the light-shielding cloth 32 folds up and retracts. According to the different storage temperatures of different reagents, the control panel 2 can be used to control the thermostat 3 to adjust the temperature inside the housing 1, so that the reagent can be stored according to the optimal storage temperature of the reagent. When quantitative sampling of the reagent in the storage barrel 121 is required, first, the control panel 2 is used to control the electric push rod I 7 to drive the lifting frame 8 to move downward. The lifting frame 8 can drive the wedge-shaped rod 801 and the fixed-sample syringe 9 to move downward, so that the fixed-sample syringe 9 can first enter the connecting pipe 13. Subsequently, the inclined surface of the wedge-shaped rod 801 will contact the short rod 20. Under the action of the inclined surface, the wedge-shaped rod 801 will squeeze the short rod 20 to move backward, driving the sliding baffle 18 to move backward, and the connecting spring 19 is compressed, so that the front part of the sliding baffle 18 no longer blocks the inside of the connecting pipe 13. Subsequently, the fixed-sample needle of the fixed-sample syringe 9 can pass through the inside of the connecting pipe 13 and enter the storage barrel 121;Then, according to the types of reagents to be sampled, the corresponding electric push rod II 10 is controlled by the control panel 2 to drive the piston rod of the corresponding sample-fixing syringe 9 upward, so that the sample-fixing syringe 9 can quantitatively extract the corresponding reagent (each time the electric push rod II 10 operates, it can drive the piston rod of the sample-fixing syringe 9 upward by a set distance. In this way, only by operating the number of runs of the electric push rod II 10 on the control panel 2, the sampling amount of the reagent by the sample-fixing syringe 9 can be controlled to achieve the purpose of quantitative sampling). During the sampling process, the control panel 2 can control the electric push rod III 15 to drive the lifting plate 16 to move upward slowly. The lifting plate 16 can push the reagent in the storage cylinder 121 upward, so that the liquid level of the reagent in the storage cylinder 121 can rise slowly, ensuring that the sample-fixing needle of the sample-fixing syringe 9 can always contact the reagent in the storage cylinder 121. The pressure relief valve I 901 can automatically adjust the air pressure according to the air pressure change in the sample-fixing syringe 9, and the pressure relief valve II 14 can automatically adjust the air pressure according to the air pressure change in the storage cylinder 121 to ensure the normal progress of the sampling work. After the sampling is completed, the control panel 2 can control the electric push rod I 7 to drive the lifting frame 8 to move upward and reset. The lifting frame 8 can drive the wedge-shaped rod 801 and the sample-fixing syringe 9 to move upward and reset. The sample-fixing syringe 9 will first move away from the storage cylinder 121, and then the wedge-shaped rod 801 will separate from the short rod 20. At this time, the connecting spring 19 will gradually return to its original state, and the elastic force of the connecting spring 19 can drive the sliding baffle 18 and the short rod 20 to move forward and reset, so that the front part of the sliding baffle 18 blocks the inside of the connecting pipe 13 again. Subsequently, the sample-fixing syringe 9 will separate from the connecting pipe 13; then, the control panel 2 controls the electric slide rail I 5 to drive the moving plate 6 to move leftward. The moving plate 6 can push the rotating door panel 4 to open leftward, and the moving plate 6 can drive the sample-fixing syringe 9 to move leftward to the outside of the housing 1, so that the operator can take out the reagent in the sample-fixing syringe 9. Then, the control panel 2 controls the electric slide rail I 5 to drive the moving plate 6 to move rightward and reset. The moving plate 6 can drive the sample-fixing syringe 9 to move rightward back into the housing 1. Finally, the operator rotates the door panel 4 to close it in reverse; the control panel 2 has a memory storage function. When the next experimental sampling is required, the memory parameters can be used for one-key sampling, which is convenient for operation; and after each sampling is completed, it can be selected on the control panel 2 whether it is necessary to clean the sample-fixing needle of the sample-fixing syringe 9. If it is necessary to clean the sample-fixing syringe 9, the control panel 2 will control the electric slide rail I 5 to drive the moving plate 6 to move rightward. The moving plate 6 can drive the sample-fixing syringe 9 to move rightward to directly above the collection box 27. Subsequently, the control panel 2 will control the water pump 24 to extract the clean water in the water storage cylinder 122 through the water suction pipe, and then transport the clean water to the nozzle 26 through the three-way pipe 25. The nozzle 26 can spray the clean water to automatically clean the sample-fixing needle of the sample-fixing syringe 9, and the waste water will fall downward into the collection box 27 for storage. Finally, the drain valve 29 can be opened to discharge the waste water in the collection box 27 through the drain pipe 28 for unified treatment.;

[0028] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A multi-functional quantitative device applied to laboratory analysis and detection, characterized in that, It includes a housing (1), a control panel (2), a thermostat (3), a rotating door panel (4), an electric slide rail I (5), a moving plate (6), an electric push rod I (7), a lifting frame (8), a wedge-shaped rod (801), a sample syringe (9), a pressure relief valve I (901), an electric push rod II (10), a storage mechanism and a cleaning mechanism. The control panel (2) and the thermostat (3) are both installed on the side of the housing (1). The rotating door panel (4) is rotatably connected to the side of the housing (1). The electric slide rail I (5) is installed on the inner wall of the housing (1). The moving plate (6) is connected to the slider of the electric slide rail I (5). The electric push rod I (7) is connected to the side of the moving plate (6). The lifting frame (8) is connected to the telescopic rod of the electric push rod I (7). The wedge-shaped rod (801) and the sample syringe (9) are both symmetrically connected to the lifting frame (8). The pressure relief valve I (901) is installed on the top surface of the sample syringe (9). The electric push rod II (10) is connected to the sample syringe (9), and the upper end of the piston rod of the sample syringe (9) is connected to the telescopic rod of the electric push rod II (10). The storage mechanism is used to store reagents and clean water, and the cleaning mechanism is used to clean the sample needle of the sample syringe (9).

2. The multifunctional quantitative device applied to laboratory analysis and detection according to claim 1, characterized in that, The storage mechanism includes a fixed shell (11), a reagent storage cylinder (121), a water storage cylinder (122), a connecting pipe (13), a pressure relief valve II (14), an electric push rod III (15), a lifting plate (16), a sealing component and a feeding component. The fixed shell (11) is spaced and connected to the inner bottom of the housing (1). The reagent storage cylinder (121) and the water storage cylinder (122) are respectively connected to the fixed shell (11). The connecting pipe (13) is connected to the top surface of the reagent storage cylinder (121). The pressure relief valve II (14) is installed on the top surface of the reagent storage cylinder (121). The electric push rod III (15) is connected to the inner bottom of the housing (1). The lifting plate (16) is slidably connected to the reagent storage cylinder (121), and the lifting plate (16) is connected to the telescopic rod of the electric push rod III (15). The sealing component is used to seal the connecting pipe (13), and the feeding component is used to respectively add reagents and clean water into the reagent storage cylinder (121) and the water storage cylinder (122).

3. The multifunctional quantitative device applied to laboratory analysis and detection according to claim 2, wherein, The sealing component includes a guide sleeve (17), a sliding baffle (18), a connecting spring (19) and a short rod (20). The guide sleeve (17) is connected to the reagent storage cylinder (121). The sliding baffle (18) is slidably connected to the guide sleeve (17). The sliding baffle (18) is slidably connected to the connecting pipe (13). The connecting spring (19) connects the guide sleeve (17) and the sliding baffle (18). The short rod (20) is connected to the side of the sliding baffle (18), and the short rod (20) is in contact and cooperation with the wedge-shaped rod (801).

4. A multifunctional quantitative device applied to laboratory analysis and detection according to claim 3, characterized in that, The feeding component includes a liquid adding pipe (21), a fixed hopper (22) and a sealing cover (23). The liquid adding pipe (21) is spaced and connected to the housing (1), and the lower ends of the liquid adding pipe (21) are respectively connected to the top surfaces of the reagent storage cylinder (121) and the water storage cylinder (122). The fixed hopper (22) is connected to the upper end of the liquid adding pipe (21). The sealing cover (23) is threadedly connected to the fixed hopper (22).

5. The multifunctional quantitative device applied to laboratory analysis and detection according to claim 4, characterized in that, The cleaning mechanism includes a water pump (24), a three-way pipe (25), a spray head (26), a collection box (27), a liquid discharge pipe (28) and a liquid discharge valve (29). The water pump (24) is installed on the top surface of the water storage cylinder (122). The three-way pipe (25) is connected to the moving plate (6), and the end of the three-way pipe (25) is communicated with the water outlet of the water pump (24). The spray head (26) is installed at the other two ends of the three-way pipe (25). The collection box (27) is symmetrically connected to the inner bottom of the housing (1). The liquid discharge pipe (28) is connected to the side of the collection box (27), and the liquid discharge pipe (28) penetrates through the side of the housing (1). The liquid discharge valve (29) is installed on the liquid discharge pipe (28).

6. The multi-functional quantitative device applied to laboratory analysis and detection according to claim 5, wherein, It further includes an electric slide rail II (30), a sliding plate (31) and a light-shielding cloth (32). The electric slide rail II (30) is symmetrically installed inside the housing (1). The sliding plate (31) is connected to the slider of the electric slide rail II (30). The light-shielding cloth (32) is connected to the sliding plate (31) and the inner wall of the housing (1).

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