CN219245167U

CN219245167U - Automatic sample injection diluting device

Info

Publication number: CN219245167U
Application number: CN202223577180.9U
Authority: CN
Inventors: 张景东; 王翠娥
Original assignee: Suzhou Yuanhong Environmental Protection Technology Co ltd
Current assignee: Suzhou Yuanhong Environmental Protection Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-23
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses an automatic sample injection diluting device, and particularly relates to the field of liquid dilution, comprising a box body, wherein the middle part of the box body is fixedly connected with a partition plate, one side of the partition plate is provided with a sample injection cavity, the bottom of the inner cavity of the box body is provided with a collecting cavity, the bottom of the inner cavity of the sample injection cavity is provided with an elastic pad, the top of one side of the partition plate is provided with a water tank, the bottom of the water tank is connected with a drain pipe, and one end of the drain pipe, which is close to the water tank, is connected with an electromagnetic valve and a first flowmeter. According to the utility model, the electric push rod is started to control the liquid suction pipe to be automatically inserted into the water sample box, the liquid suction pump is started to pump water samples in the water sample box through the liquid suction pipe and input the water samples into the collecting box, automatic sample injection can be completed, meanwhile, water sample quantity monitoring and recording are carried out through the second flowmeter, and when various water samples are diluted, dilution can be carried out by only replacing the water sample box filled with different water samples and a new collecting box, so that the use effect is improved.

Description

Automatic sample injection diluting device

Technical Field

The utility model relates to the technical field of liquid dilution, in particular to an automatic sample injection dilution device.

Background

Dilution refers to a process of adding a solvent to a solution to reduce the concentration of the solution, and sample analysis is widely used in research fields such as biomedical and drug development, wherein the concentration of the solution is reduced after dilution, but the total amount of solute is unchanged, for example, 1mol (about 58.5 g) of salt (solute) is dissolved in one liter of water (solvent), the molar concentration of the solution is 1M, and if one liter of water is added, the molar concentration of the solution is 0.5M, but the total amount of salt in the solution is still 1mol.

The utility model of Chinese patent application number CN202021973833.3 discloses a water sample diluting device, which comprises a shell, the inside of casing is provided with the diluting tank, the top fixedly connected with fixed shell of diluting tank, the top of diluting tank is provided with the motor, fixedly connected with first pivot on the output shaft of motor, be provided with first conical gear in the first pivot, the round hole has been seted up at the top of diluting tank. This water sample diluting device, through setting up flow monitor and first solenoid valve, the convenience carries out strict regulation control to the addition of water sample and pure water, effectively masters the degree of dilution, and is more convenient when using, through setting up the motor, makes the motor drive first conical gear, makes first conical gear drive second conical gear and rotates, makes second conical gear drive the second pivot and rotates, makes the second pivot stir the dilution to the water sample in the dilution tank, has improved dilution efficiency more convenient.

However, when the structure is in actual use, water samples are required to be poured into the water sample storage box, the structure is inconvenient to continuously use when various water samples are diluted, and the effect of a finished product is easily influenced by residues in the box body.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art. In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an automatic sample injection dilution device to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic sample injection diluting device comprises a box body, wherein the middle part of the box body is fixedly connected with a partition plate, one side of the partition plate is provided with a sample injection cavity, the bottom of the inner cavity of the box body is provided with a collecting cavity, the bottom of the inner cavity of the sample injection cavity is provided with an elastic pad, the top of one side of the partition plate is provided with a water tank, and the bottom of the water tank is connected with a drain pipe;

the utility model discloses a drain pipe, including the drain pipe, the drain pipe is connected with solenoid valve and first flowmeter near the one end of water tank, one side of solenoid valve and first flowmeter is provided with the control box, one side of water tank is provided with the transfer line, the top of transfer line is connected with drawing liquid pump and second flowmeter, the inner chamber top of advance the appearance chamber is provided with the lifter plate, the top of lifter plate is provided with electric putter bottom one side fixedly connected with drawing liquid pipe of lifter plate, the standing groove has been seted up at the top of elastic pad, the middle part of standing groove is provided with the water sample box, the middle part of collecting the chamber is provided with the collecting box.

Preferably, the bottom of drain pipe sets up the top at the collecting box, the bottom of transfer line sets up the top at the collecting box, the top of transfer line runs through the lifter plate and is linked together with the inside of drawing liquid pipe, the solenoid valve sets up one side that is close to the water tank at first flowmeter, the drawing liquid pump sets up one side that is close to the lifter plate at second flowmeter, the drawing liquid pipe sets up directly over the water sample case, water sample case and standing groove looks adaptation, the front side of box is provided with the observation window, the observation window sets up the front side at the water tank, top one side of water tank is provided with inlet tube and blast pipe, the front side of box is provided with control panel, control panel is connected with the control box electricity, control box and solenoid valve and first flowmeter, drawing liquid pump, second flowmeter, electric putter electricity are connected, the front side of sampling cavity is provided with the sealing door, the sealing door is connected through rotating with the wall body of hinge with the sampling cavity.

The utility model has the technical effects and advantages that:

1. according to the utility model, the electric push rod is started to control the liquid suction pipe to be automatically inserted into the water sample box, the liquid suction pump is started to pump water samples in the water sample box through the liquid suction pipe and input the water samples into the collecting box, automatic sample injection can be completed, meanwhile, water sample quantity monitoring and recording are carried out through the second flowmeter, when various water samples are diluted, dilution can be carried out by only replacing the water sample box filled with different water samples and a new collecting box, the use effect is improved, and the interior of the infusion pipe is required to be washed after each use, so that the effect of a finished product is prevented from being influenced by liquid residues;

2. the utility model also provides a placing groove, which is convenient for limiting the water sample box, conveniently and timely supplementing the diluent content in the water tank through the observation window, and improving the use effect, and the inside of the sample injection cavity can be sealed and protected when not in use through the sealing door, so that the influence of external dust on the surface of the liquid suction pipe on the use effect is avoided, and the passing quantity of the liquid can be monitored in real time through the arranged second flowmeter and the first flowmeter, thereby conveniently controlling the dilution ratio and improving the use effect;

in conclusion, through the mutual influence of a plurality of effects, the accurate dilution is conveniently carried out to the water sample, and conveniently changes different water samples and dilutes the use, improves result of use.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

Fig. 3 is a schematic cross-sectional structure of the case of the present utility model.

Fig. 4 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.

The reference numerals are: 1. a case; 2. a partition plate; 3. a sample introduction cavity; 4. a collection chamber; 5. an elastic pad; 6. a water tank; 7. a drain pipe; 8. an electromagnetic valve; 9. a first flowmeter; 10. a control box; 11. an infusion tube; 12. a liquid pump; 13. a second flowmeter; 14. a lifting plate; 15. an electric push rod; 16. a liquid suction pipe; 17. a water sample tank; 18. a placement groove; 19. an observation window; 20. a water inlet pipe; 21. an exhaust pipe; 22. a control panel; 23. sealing the door; 24. and (5) collecting a box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The automatic sample injection diluting device comprises a box body 1, wherein the middle part of the box body 1 is fixedly connected with a partition plate 2, one side of the partition plate 2 is provided with a sample injection cavity 3, the bottom of the inner cavity of the box body 1 is provided with a collecting cavity 4, the bottom of the inner cavity of the sample injection cavity 3 is provided with an elastic pad 5, the top of one side of the partition plate 2 is provided with a water tank 6, and the bottom of the water tank 6 is connected with a drain pipe 7;

one end of the drain pipe 7, which is close to the water tank 6, is connected with an electromagnetic valve 8 and a first flowmeter 9, one side of the electromagnetic valve 8 and the first flowmeter 9 is provided with a control box 10, one side of the water tank 6 is provided with a transfusion tube 11, the top end of the transfusion tube 11 is connected with a liquid pump 12 and a second flowmeter 13, the top of the inner cavity of the sample injection cavity 3 is provided with a lifting plate 14, the top of the lifting plate 14 is provided with an electric push rod 15, one side of the bottom of the lifting plate 14 is fixedly connected with a liquid pump tube 16, the top of the elastic pad 5 is provided with a placing groove 18, the middle part of the placing groove 18 is provided with a water sample box 17, and the middle part of the collection cavity 4 is provided with a collection box 24.

As shown in fig. 1-4, the bottom end of the drain pipe 7 is arranged at the top of the collecting box 24, the bottom end of the infusion tube 11 is arranged at the top of the collecting box 24, the top end of the infusion tube 11 penetrates through the lifting plate 14 and is communicated with the inside of the liquid suction tube 16, the electromagnetic valve 8 is arranged at one side of the first flowmeter 9, which is close to the water tank 6, the liquid suction tube 12 is arranged at one side of the second flowmeter 13, which is close to the lifting plate 14, the liquid suction tube 16 is arranged right above the water sample box 17, the water sample box 17 is matched with the placing groove 18, the front side of the box 1 is provided with an observation window 19, the observation window 19 is arranged at the front side of the water tank 6, one side of the top of the water tank 6 is provided with the water inlet tube 20 and the exhaust tube 21, the front side of the box 1 is provided with a control panel 22, the control panel 22 is electrically connected with the control box 10, the control box 10 is electrically connected with the electromagnetic valve 8, the first flowmeter 9, the liquid suction pump 12, the second flowmeter 13 and the electric push rod 15, the front side of the sealing door 23 is matched with the front side opening of the sample cavity 3, the sealing door 23 is matched with the front side of the sample cavity 1, the wall body of the box 1 is rotationally connected with the wall body of the box body, the water sample box 1 is conveniently, the water sample is conveniently filled into the water sample box 1 through the liquid suction tube 16 through the control box 16, the control box 16 and the water suction tube 16 is filled into the water sample box 17 through the water suction tube 17 through the control valve 16, the water suction tube 17 through the water suction tube 17, and then the water sample is filled into the water sample box 17 through the water sample tube through the inside the water suction tube 16 through the inside the water tank 16 through the inside the water tank 16;

then the electromagnetic valve 8 is opened to enable the liquid in the water tank 6 to be injected into the collecting box 24 through the drain pipe 7, the passing liquid amount is recorded through the first flowmeter 9, and when the first flowmeter 9 detects that the passing amount reaches a preset value, the electromagnetic valve 8 is automatically controlled to be closed through the control box 10, so that the use effect is improved;

the water sample box 17 is conveniently placed and taken through the placement groove 18, and the collection box 24 and the collection cavity 4 are arranged, so that the collection box 24 is conveniently replaced, and the use effect is improved;

the liquid amount in the water tank 6 is conveniently observed through the arranged observation window 19, so that the liquid can be conveniently and timely supplemented, the inside of the sample injection cavity 3 can be conveniently sealed through the sealing door 23, and the phenomenon that the surface of the liquid suction pipe 16 is polluted by external dust after long-time use and the using effect is influenced is avoided;

it should be added that after each dilution of the liquid, the liquid suction pump 12 can sequentially make the liquid suction pipe 16 pump purified water to flush the residual liquid inside the liquid suction pipe 16 and the infusion pipe 11, so as to improve the use effect.

The working principle of the utility model is as follows: when diluting the water sample, only the water sample tank 17 filled with the water sample is placed in the placing groove 18, then the electric push rod 15 is controlled by the control panel 22 to start so that the liquid suction pipe 16 is inserted into the water sample tank 17, then the liquid suction pump 12 is started to suck the liquid and input the liquid into the collecting box 24, automatic sample injection is completed, and meanwhile, the amount of the sucked water sample is recorded through the second flowmeter 13;

then the ratio is input through the control panel 22, the control box 10 calculates the required amount of the diluent at the moment, the electromagnetic valve 8 is opened through the control panel 22, the liquid in the water tank 6 flows into the collecting box 24 through the drain pipe 7 at the moment and the flow is monitored through the first flowmeter 9, when the flow reaches a preset value, the electromagnetic valve 8 is automatically closed, and the accurate dilution of the water sample can be completed, so that the use effect is improved;

the water sample box 17 and the collecting box 24 need to be replaced before secondary dilution is used, the inside of the infusion tube 11 is flushed through the cleaning liquid through the inside of the infusion tube 11, specifically, the water sample box 17 with the flushing liquid is placed in the placing groove 18, the electric push rod 15 is started to sequentially enable the liquid suction tube 16 to be inserted into the inside of the water sample box 17, the liquid suction pump 12 is started, the cleaning liquid is pumped out through the liquid suction tube 16 and flows out through the bottom end of the infusion tube 11, the flushing of the inside of the infusion tube 11 is completed, and the use effect is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. An automatic sampling diluting device, includes box (1), its characterized in that: the novel sample collection device is characterized in that the middle part of the box body (1) is fixedly connected with a separation plate (2), one side of the separation plate (2) is provided with a sample injection cavity (3), the bottom of the inner cavity of the box body (1) is provided with a collection cavity (4), the bottom of the inner cavity of the sample injection cavity (3) is provided with an elastic pad (5), the top of one side of the separation plate (2) is provided with a water tank (6), and the bottom of the water tank (6) is connected with a drain pipe (7);

one end of the drain pipe (7) close to the water tank (6) is connected with an electromagnetic valve (8) and a first flowmeter (9), and one side of the electromagnetic valve (8) and one side of the first flowmeter (9) are provided with a control box (10);

one side of the water tank (6) is provided with a transfusion tube (11), and the top end of the transfusion tube (11) is connected with a liquid pump (12) and a second flowmeter (13);

the utility model discloses a sample injection device, including inner chamber top of advance line cavity (3), inner chamber top of advance line cavity (3) is provided with lifter plate (14), the top of lifter plate (14) is provided with electric putter (15), bottom one side fixedly connected with drainage pipe (16) of lifter plate (14), standing groove (18) have been seted up at the top of elastic pad (5), the middle part of standing groove (18) is provided with water sample case (17), the middle part of collection chamber (4) is provided with collecting box (24).

2. The autosampler dilution apparatus of claim 1, wherein: the bottom of drain pipe (7) sets up the top at collection box (24), the bottom of transfer line (11) sets up the top at collection box (24), the top of transfer line (11) runs through lifter plate (14) and is linked together with the inside of drawing liquid pipe (16).

3. The autosampler dilution apparatus of claim 1, wherein: the electromagnetic valve (8) is arranged on one side, close to the water tank (6), of the first flowmeter (9), the liquid suction pump (12) is arranged on one side, close to the lifting plate (14), of the second flowmeter (13), and the liquid suction pipe (16) is arranged right above the water sample tank (17).

4. The autosampler dilution apparatus of claim 1, wherein: the water sample box (17) is matched with the placing groove (18), an observation window (19) is arranged on the front side of the box body (1), the observation window (19) is arranged on the front side of the water tank (6), and a water inlet pipe (20) and an exhaust pipe (21) are arranged on one side of the top of the water tank (6).

5. The autosampler dilution apparatus of claim 1, wherein: the front side of box (1) is provided with control panel (22), control panel (22) are connected with control box (10) electricity, control box (10) are connected with solenoid valve (8) and first flowmeter (9), drawing liquid pump (12), second flowmeter (13), electric putter (15) electricity.

6. The autosampler dilution apparatus of claim 1, wherein: the front side of advance appearance chamber (3) is provided with sealing door (23), sealing door (23) and advance the front side opening looks adaptation of appearance chamber (3), sealing door (23) are connected through the hinge rotation with the wall of box (1).