Analysis titration device for drug inspection

Abstract

The utility model discloses an analysis titration device for medicine inspection, which comprises a base, a vertical rod and a horizontal top plate, a titration tank is fixedly connected onto the top plate, an outlet pipe at the lower end of the titration tank penetrates through the top plate and is provided with a metering valve, the lower end of the titration tank is connected with a hose, the vertical rod is connected with a horizontal lifting plate, and the lower end of the hose penetrates through the lifting plate; a motor is fixedly arranged in the base, a rotating shaft of the motor is connected with a rotating disc, the rotating disc is fixedly connected with a sliding seat, two sliding blocks are arranged in a horizontal sliding hole of the sliding seat, a lead screw is connected with the two sliding blocks through two sections of threads with opposite rotating directions, one end of the lead screw is located on the outer side of the sliding seat, and the two sliding blocks are fixedly connected with clamping blocks. A sleeve is fixedly arranged on the base, an insertion rod is arranged in the sleeve, the insertion rod is fixedly connected with a horizontal plate, a reagent bottle is fixedly arranged on the horizontal plate, the lower end of the reagent bottle is connected with a liquid dropping head, and the liquid dropping head penetrates through the horizontal plate and is provided with a valve; according to the utility model, titration liquid can be prevented from being splashed to the device, the conical flask can be automatically oscillated, the device is convenient to operate, the liquid can be accurately titrated, medicaments can be conveniently added midway, and the accuracy and the efficiency of inspection are ensured.

Description

Technical Field

[0001] The utility model relates to an analytical titration device, in particular to an analytical titration device used for drug testing. Background Art

[0002] Titration is a method for quantitative analysis of chemical components and also a chemical experimental operation. It determines the content of the target chemical substance through the quantitative reaction of two solutions. The titration endpoint can be determined by observing the color change of the indicator in the conical flask with the naked eye. The amount of the target chemical substance is calculated by measuring the volume of the droplet, and then the component content of the solution in the conical flask below is determined, helping people calculate and analyze the results.

[0003] Existing titration devices often control the conical flask by hand, and the burette mounted on the bracket needs to be tightened and reinforced with bolts, and the nozzle of the burette cannot directly contact the conical flask. During titration, the conical flask needs to be shaken while being held, and the liquid needs to be titrated accurately to prevent it from slipping out. This makes one-handed operation inconvenient and prone to operational errors, which affects the accuracy and efficiency of the test. Summary of the Invention

[0004] The purpose of the utility model is to address the above-mentioned deficiencies in the prior art and to provide an analytical titration device for drug testing, which can prevent the titration liquid from splashing elsewhere, realize automatic oscillation of the conical flask, and is easy to operate. It can not only accurately measure the titration liquid, but also facilitate the addition of pharmaceutical agents midway, thereby ensuring the accuracy and efficiency of the test.

[0005] In order to achieve the above-mentioned purpose, the utility model discloses an analytical titration device for drug testing, comprising a connected base, a vertical rod and a horizontal top plate, characterized in that: a titration tank is fixedly connected to the top plate, an outlet pipe at the lower end of the titration tank passes through the top plate and is provided with a metering valve, a hose is connected to the lower end of the titration tank, the vertical rod is connected to a horizontal lifting plate, and the lower end of the hose passes through the lifting plate; a motor is fixed in the base, the rotating shaft of the motor is connected to the rotary disk, the rotary disk is fixedly connected to a slide, two sliders are provided in the horizontal sliding hole of the slide, a screw rod is connected to the two sliders through two sections of threads with opposite rotation directions, the two ends of the screw rod are connected to the slide through a bearing, one end of the screw rod is located at the outside of the slide, and the two sliders are fixedly connected to a clamping block; a vertical sleeve is fixed on the base, a plug rod is provided in the sleeve, the plug rod is fixedly connected to the horizontal plate, a reagent bottle is fixed on the horizontal plate, and a drip head is connected to the lower end of the reagent bottle, the drip head passes through the horizontal plate and is provided with a valve;

[0006] When the utility model is used, an indicator is injected into the reagent bottle, a titrant is added into the titration tank, and the liquid to be titrated and tested is added into the conical flask and placed on the turntable; the screw rod is rotated, and the two clamping blocks are driven to retract toward the center through the slider to clamp and fix the conical flask, and then the motor is started to rotate the turntable and the conical flask, and there is no need to hold the conical flask to implement oscillation; the direction of the insertion rod and the horizontal plate is then rotated so that the dripping head below the reagent bottle is located above the conical flask, and the valve is opened to inject the indicator into the conical flask; the metering valve is opened, and the lower end of the hose is located above the conical flask, and the titrant is dripped into the conical flask drop by drop, which can prevent the titrant from splashing in the environment outside the conical flask; the whole process does not require hand-held titration testing, and reagents can be added midway, which is easy to operate, and the titrant can be accurately measured through the metering valve, thereby ensuring the accuracy and efficiency of the test;

[0007] As a further improvement of the present invention, the titration tank is provided with a sealing cover, and the sealing cover is provided with a pressure pump; by adjusting the pressure of the pressure pump, the titration speed can be controlled, thereby improving the inspection efficiency;

[0008] As a further improvement of the present invention, the vertical rod is provided with a longitudinal slide groove, a sleeve block is fixedly provided at one end of the lifting plate, the upper and lower ends of the sleeve block are fixedly connected to sliders, the sliders are placed in the slide groove, and pulleys are provided on both sides of the slider to cooperate with the slide groove. The vertical rod is provided with a plurality of positioning holes, and a fastening bolt is connected to the sleeve block and inserted into a positioning hole; the height of the lifting plate can be adjusted to accommodate conical bottles of different sizes;

[0009] As a further improvement of the present invention, rubber pads are fixed on opposite sides of the two clamping blocks; this ensures appropriate clamping force and prevents damage to the conical flask;

[0010] As a further improvement of the present invention, one end of the screw rod outside the slide is connected to a handle; the screw rod is easily rotated by the handle;

[0011] In summary, the utility model can prevent the titration liquid from splashing to other places, realize automatic oscillation of the conical flask, and is easy to operate. It can not only accurately measure the titration liquid, but also facilitate the addition of reagents in the middle, thereby ensuring the accuracy and efficiency of the inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is the front view of the embodiment of the present utility model.

[0013] Figure 2 for Figure 1 Enlarged view of point A.

[0014] Figure 3 for Figure 1 Enlarged view of point B. DETAILED DESCRIPTION

[0015] The present invention will be further described in detail below with reference to the accompanying drawings.

[0016] like Figures 1 to 3 As shown, an analytical titration device for drug testing in this embodiment includes a base 1, a vertical rod 2 and a horizontal top plate 7 that are fixedly connected. A titration tank 8 is fixedly connected to the top plate 7, and a sealing cover 10 is provided on the titration tank 8. A pressure pump 11 is provided on the sealing cover 10; an outlet pipe at the lower end of the titration tank 8 passes through the top plate 7 and is provided with a metering valve 13, and a hose 14 is connected to the lower end of the titration tank 8; a vertical rod 3 is provided with a longitudinal slide 3, and a sleeve block 5 is fixedly provided at one end of a lifting plate 15. Slide blocks 26 are fixedly connected to the upper and lower ends of the sleeve block 5. The slide blocks 26 are both placed in the slide grooves 3, and pulleys 27 that cooperate with the slide grooves 3 are provided on both sides of the slide block 26. The vertical rod 2 is provided with several positioning holes 4, and a fastening bolt 6 is connected to the sleeve block 5 by a thread and inserted into a positioning hole 4;

[0017] The lower end of the hose 14 passes through the lifting plate 15 and is connected to the nozzle 16; the motor 12 is fixed in the base 1, and the rotating shaft of the motor 12 is connected to the rotary disk 23. The lower end of the hose 14 is located above the center of the rotary disk 23, and the rotary disk 23 is fixedly connected to the slide 9. Two sliders 28 are provided in the horizontal slide hole of the slide 9. A screw rod 24 is connected to the two sliders 28 through two sections of threads rotating in opposite directions. Both ends of the screw rod 24 are connected to the slide 9 through bearings. One end of the screw rod 24 is located outside the slide 9 and is connected to a handle 30. The two sliders 28 are fixedly connected to a clamping block 29, and the opposite sides of the two clamping blocks 29 are fixed with a rubber pad 31; a vertical sleeve 22 is fixed on the base 1, and a rod 21 is provided for sliding in the sleeve 22. The rod 21 is fixed to the horizontal plate 18, and a reagent bottle 17 is fixed on the horizontal plate 18. The lower end of the reagent bottle 17 is connected to a drip head 20, which passes through the horizontal plate 18 and is provided with a valve 19;

[0018] During use, the indicator is injected into the reagent bottle 17, the titrant is added into the titration tank 8, the liquid to be titrated is added into the conical flask 32 and placed on the rotary disk 23; the screw rod 24 is rotated by the handle 30, and the two clamping blocks 29 are driven to retract toward the center through the screw rod-nut pair and the two sliders 28 to clamp the conical flask 32; the direction of the insertion rod 21 and the horizontal plate 18 is rotated so that the dripping head 20 is located above the conical flask 32, and the valve 19 is opened to inject the indicator into the conical flask 32; the motor 12 is then started to rotate the rotary disk 23 and the conical flask 32, and there is no need to hold the conical flask to implement vibration; the metering valve 13 is opened, and the lower end of the hose 14 is positioned above the conical flask 32. The titrant is dripped dropwise into the conical flask 32 from above the conical flask 32, which prevents the titrant from splashing into the environment outside the conical flask. The titration test can be carried out without holding the conical flask, and reagents can be added midway, which is convenient to operate. The titrant can be accurately measured by the metering valve 13, ensuring the accuracy and efficiency of the test. The pressure can be adjusted by the pressure pump 11 to control the titration speed and improve the test efficiency. The height of the lifting plate 15 can be adjusted to accommodate conical flasks of different sizes by moving the pulley 27 in the slide 3 and the tightening bolt 6 and the positioning hole 4 to fix the height. The rubber pad 31 can ensure appropriate clamping force and prevent damage to the conical flask.

[0019] It is understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the invention, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An analytical titration device for drug testing, comprising a connected base, vertical rods, and a horizontal top plate, characterized in that: A titration tank is fixedly connected to the top plate, and the lower outlet pipe of the titration tank passes through the top plate and is provided with a metering valve, the lower end of the titration tank is connected to a hose, the vertical rod is connected to a horizontal lifting plate, and the lower end of the hose passes through the lifting plate; a motor is fixed in the base, the rotating shaft of the motor is connected to the turntable, the turntable is fixedly connected to a slide, and two sliders are provided in the horizontal sliding hole of the slide, a screw rod is connected to the two sliders through two sections of threads with opposite rotation directions, and the two ends of the screw rod are connected to the slide through bearings, one end of the screw rod is located on the outside of the slide, and the two sliders are fixed with clamping blocks; a vertical sleeve is fixed on the base, and an insertion rod is provided in the sleeve, and the insertion rod is fixedly connected to the horizontal plate, a reagent bottle is fixed on the horizontal plate, and a drip head is connected to the lower end of the reagent bottle, and the drip head passes through the horizontal plate and is provided with a valve.

2. The analytical titration device for drug testing according to claim 1, characterized in that: The titration tank is provided with a sealing cover, and the sealing cover is provided with a pressure pump.

3. The analytical titration device for drug testing according to claim 1 or 2, characterized in that: The vertical rod is provided with a longitudinal slide groove, and a sleeve block is fixedly provided at one end of the lifting plate. The upper and lower ends of the sleeve block are fixedly connected with sliders, and the sliders are placed in the slide groove. Pulleys that cooperate with the slide groove are provided on both sides of the slider. The vertical rod is provided with several positioning holes, and a fastening bolt is connected to the sleeve block and inserted into a positioning hole.

4. The analytical titration device for drug testing according to claim 3, characterized in that: The opposite sides of the two clamping blocks are both fixed with rubber pads.

5. The analytical titration device for drug testing according to claim 4, characterized in that: One end of the screw rod outside the slide is connected with a handle.

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