Titration device

Abstract

The utility model discloses a titration device which comprises a placement table, a rotatable quick mounting mechanism is sleeved on the placement table, and a plurality of liquid dropping mechanisms are inserted into the top of the quick mounting mechanism and are used for respectively storing different titration reagents; the quick mounting mechanism comprises a rotating frame, and a plurality of mounting cylinders are arranged on the rotating frame; the liquid dropping mechanism comprises a liquid storage barrel, the top of the liquid storage barrel is sleeved with a sealing barrel in a threaded mode, and a liquid outlet assembly is arranged in the sealing barrel. The titration device disclosed by the utility model has the advantage of convenience in reagent switching, and solves the problems that the existing titration device is relatively low in operation efficiency in the use process, inconvenient to quickly select and switch required experimental reagents, long in switching time and low in convenience and efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of fine chemicals, in particular to a titration device. Background Art

[0002] The titration device is a kind of equipment for chemical analysis. It is an auxiliary device to help use the titration method. As a commonly used analytical chemical method, titration is to quantitatively add reagents to the sample to be tested and determine the concentration or content of the substance to be tested based on the indicative changes at the reaction end point. The titration device is also used in drug testing. The main purpose of using the titration device is to accurately measure and determine the content of specific ingredients in the drug. The titration device can control the accurate dosage of the reagent and determine the concentration of the substance to be tested by observing the changes at the end point of the chemical reaction.

[0003] Patent number CN211061492U is a drug inspection titration device, including a titration fixed bearing seat component, a lifting fixed slide component, a test cup supporting device, a titration lifting device and an extrusion titration device. The storage chamber is filled with liquid medicine, and the distance between the lifting slide frame I and the lifting slide frame II is adjusted according to the height of the test cup. The height of the lifting slide frame I and the lifting slide frame II are fixed by slidingly connecting the telescopic wedge plate I and the telescopic wedge plate II in the fixed tooth groove. The test cup is placed on the supporting plate, and the lead screw III is rotated. The lead screw III drives the rubber ring to move downward through the linkage ring, so that the liquid medicine in the storage chamber is dripped into the test cup. When this titration device needs to add multiple reagents, it is necessary to frequently replace the titration container, which reduces the efficiency of the test.

[0004] The existing titration device has low operating efficiency during use, is not convenient for quickly selecting and switching the required experimental reagents, increases the switching time, and reduces the convenience and efficiency of the titration device. Utility Model Content

[0005] The utility model aims to provide a titration device, which has the advantage of convenient reagent switching, solves the problems of low operating efficiency of the existing titration device during use, inconvenience in quickly selecting and switching the required experimental reagents, increases the switching time, and reduces the convenience and efficiency of the titration device.

[0006] To achieve the above object, the utility model provides the following technical solutions: a titration device, comprising a placement table, the placement table is provided with a rotatable quick installation mechanism, the top of the quick installation mechanism is inserted with a plurality of dripping mechanisms, respectively storing different titration reagents;

[0007] The quick installation mechanism comprises a rotating frame, on which a plurality of installation cylinders are provided;

[0008] The liquid dripping mechanism comprises a liquid storage cylinder, a sealing cylinder is threadedly sleeved on the top of the liquid storage cylinder, and a liquid outlet component is arranged inside the sealing cylinder.

[0009] As a preferred titration device of the utility model, the placement table includes a plate body, the bottom of the plate body is connected to a support leg for supporting it, one side of the upper portion of the plate body is provided with an integrally formed fixed column, the rotating frame is sleeved on the surface of the fixed column, the surface of the fixed column is sleeved with a limit plate for limiting the position of the rotating frame, and the other side of the upper portion of the plate body is provided with a placement groove for placing a drug solution container.

[0010] As a preferred titration device of the utility model, a plurality of first springs are provided at the bottom of the inner wall of the mounting cylinder, and a movable plate sliding on the inner wall of the mounting cylinder is connected to the top of the plurality of first springs, and the movable plate is movably connected to the bottom of the liquid storage cylinder, and an anti-slip sleeve made of rubber material is provided on the inner wall of the center hole of the rotating frame to increase the friction inside the rotating frame.

[0011] As a preferred titration device of the utility model, the liquid outlet end of the liquid storage cylinder is sleeved with a dripping head, and the surface of the sealing cylinder is respectively installed with a controller and a battery.

[0012] As a preferred titration device of the utility model, the liquid outlet component includes a driving device, the driving device is placed at the top of the inner cavity of the sealing cylinder, the output shaft of the driving device is connected to a screw through a coupling, the screw thread sleeve is provided with a moving frame, the bottom of the moving frame is connected to a piston, the piston is movably connected to the sealing cylinder and the inner wall of the liquid storage cylinder, the left and right sides of the moving frame are provided with sliders, and the inner wall of the sealing cylinder is provided with a sliding groove used in conjunction with the slider.

[0013] As a preferred titration device of the utility model, a clamping mechanism for clamping the drug solution container is arranged on the periphery of the placement groove on the plate body.

[0014] As a preferred titration device of the utility model, the clamping mechanism includes a group of relative clamping components, each clamping component includes a frame, the inner wall of the frame is connected to a second spring, one end of the second spring is connected to a deformable elastic clamp, an anti-slip pad is provided on one side of the elastic clamp, and a limiting plate is provided on the top of the frame to limit the elastic clamp.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model provides a rotatable quick installation mechanism on the surface of the placement table, and the quick installation mechanism can drive several dripping mechanisms to rotate to help users quickly select and switch required reagents, thereby reducing the time for manually replacing reagent bottles and improving the convenience and efficiency of operation. By arranging several dripping mechanisms inside the quick installation mechanism, limited space can be fully utilized, and collision and cross contamination between the dripping mechanisms can be avoided. The dripping mechanism is movably connected inside the quick installation mechanism, which can facilitate the management and maintenance of reagent storage and replacement. When the reagent is exhausted or needs to be replaced, it is only necessary to remove the empty dripping mechanism and install a new dripping mechanism without making major adjustments or disassembly of the entire titration device.

[0017] 2. The utility model provides a clamping mechanism on the placement table, which can clamp and fix the storage container of the drug solution to prevent the container from shaking and causing the drug solution to spill out during the titration process, thereby increasing the stability of the titration process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a main axonometric view of the titration device according to an embodiment of the utility model;

[0019] Figure 2 This is a main axonometric view of the placement table in the embodiment of the utility model;

[0020] Figure 3 This is a main axonometric view of the quick installation mechanism in the embodiment of the utility model;

[0021] Figure 4 This is a bottom-up isometric view of the quick installation mechanism in the embodiment of the utility model;

[0022] Figure 5 It is a partial cross-sectional view of the dripping mechanism in the embodiment of the utility model;

[0023] Figure 6 This is an exploded view of the dripping mechanism in the embodiment of the utility model;

[0024] Figure 7 This is a front view of the liquid outlet component in the embodiment of the utility model;

[0025] Figure 8 It is an exploded view of the clamping mechanism in the embodiment of the utility model.

[0026] In the figure: 1. placing table; 101. plate body; 102. placing groove; 103. fixing column; 104. limiting plate; 105. supporting leg; 2. quick installation mechanism; 201. rotating frame; 202. first spring; 203. anti-skid sleeve; 204. mounting cylinder; 205. movable plate; 3. dripping mechanism; 301. liquid storage cylinder; 302. controller; 303. sealing cylinder; 304. battery; 305. screw rod; 306. moving frame; 307. piston; 308. dripping head; 309. driving device; 4. clamping mechanism; 401. frame body; 402. limiting plate; 403. second spring; 404. elastic clamp; 405. anti-skid pad. DETAILED DESCRIPTION

[0027] The present invention is described in detail below in conjunction with the embodiments and drawings. Example

[0028] See also Figure 1-Figure 8 A titration device includes a placement table 1, on which a rotatable quick installation mechanism 2 is mounted, and a plurality of dripping mechanisms 3 are inserted on the top of the quick installation mechanism 2, which can make full use of the limited space and avoid collision and cross contamination between the dripping mechanisms 3. The plurality of dripping mechanisms 3 store reagents added for different titrations, and the quick installation mechanism 2 drives the dripping mechanism 3 to rotate to help the user quickly select and switch the required titration reagents.

[0029] The quick installation mechanism 2 includes a rotating frame 201, on which a plurality of installation cylinders 204 are provided. The dripping mechanism 3 is movably connected in the installation cylinder 204. The installation cylinder 204 supports and limits the dripping mechanism 3, which can facilitate the management and maintenance of the storage and replacement of reagents. When the reagent is exhausted or needs to be replaced, only the empty dripping mechanism 3 needs to be removed and a new dripping mechanism 3 needs to be installed.

[0030] The dripping mechanism 3 includes a liquid storage cylinder 301, which stores reagents. A sealing cylinder 303 is threadedly provided on the top of the liquid storage cylinder 301, and the sealing cylinder 303 seals the top of the liquid storage cylinder 301 to prevent the reagent from leaking out. A liquid outlet component is provided inside the sealing cylinder 303, and the liquid outlet component can discharge the reagent inside the liquid storage cylinder 301, so that the reagent inside the liquid storage cylinder 301 drips into the inside of the drug solution.

[0031] In the embodiment, the placement table 1 includes a plate body 101, a support leg 105 is fixedly connected to the bottom of the plate body 101 to support it, an integrally formed fixed column 103 is provided on one side of the upper part of the plate body 101, a rotating frame 201 is movably sleeved on the surface of the fixed column 103, a limiting plate 104 is fixedly sleeved on the surface of the fixed column 103 to limit the rotating frame 201, and a placement groove 102 for placing a drug solution container is provided on the other side of the upper part of the plate body 101.

[0032] In the embodiment, a plurality of first springs 202 are fixedly connected to the bottom of the inner wall of the mounting cylinder 204, and a movable plate 205 sliding on the inner wall of the mounting cylinder 204 is fixedly connected to the top of the plurality of first springs 202. The movable plate 205 is movably connected to the bottom of the liquid storage cylinder 301 to support the bottom of the liquid storage cylinder 301. When it is necessary to add reagents, the liquid storage cylinder 301 is pressed downward, and the liquid storage cylinder 301 squeezes the movable plate 205 downward and compresses the first springs 202, so that the bottom of the liquid storage cylinder 301 can extend downward into the drug solution container to prevent the dripping reagent from spilling.

[0033] An anti-skid sleeve 203 made of rubber material is fixedly connected to the inner wall of the central hole of the rotating frame 201 . The anti-skid sleeve 203 increases the friction inside the rotating frame 201 to prevent the rotating frame 201 from rotating on the surface of the plate body 101 .

[0034] In the embodiment, a replaceable dripping head 308 is movably provided at the liquid outlet end of the liquid storage cylinder 301 , and the dripping head 308 can increase the dripping length at the bottom of the liquid storage cylinder 301 to prevent the reagent from spilling.

[0035] The surface of the sealing cylinder 303 is respectively fixedly mounted with a controller 302 and a battery 304 . The battery 304 supplies power to the driving device 309 . The controller 302 controls the driving device 309 so that the driving device 309 can rotate a set number of circles.

[0036] In the embodiment, the liquid outlet component includes a driving device 309, which is a micro motor. The driving device 309 is fixedly connected to the top of the inner cavity of the sealing cylinder 303. The output shaft of the driving device 309 is connected to a screw rod 305 through a coupling. A movable frame 306 is provided on the surface of the screw rod 305 through a threaded sleeve. The movable frame 306 is movably connected to the inner wall of the sealing cylinder 303. A piston 307 is connected to the bottom of the movable frame 306. The piston 307 is movably connected to the inner wall of the sealing cylinder 303 and the liquid storage cylinder 301.

[0037] The output shaft of the driving device 309 drives the screw rod 305 to rotate. When the screw rod 305 rotates, it drives the movable frame 306 to slide on the inner wall of the sealing tube 303, and the movable frame 306 drives the piston 307 to slide on the inner wall of the liquid storage tube 301. The piston 307 squeezes out the reagent inside the liquid storage tube 301, so that the reagent drips into the drug solution.

[0038] Slide blocks are arranged on both sides of the movable frame 306, and a slide groove for cooperating with the slide block is provided on the inner wall of the sealing cylinder 303. When the movable frame 306 moves, the slide block is driven to move on the inner wall of the slide groove to prevent the movable frame 306 from rotating when moving.

[0039] In the embodiment, a clamping mechanism 4 for clamping a drug solution container is disposed on the periphery of the placement groove 102 on the plate body 101. The clamping mechanism 4 fixes the drug solution container to prevent the container from shaking during the titration of the drug solution, causing the drug solution to spill out, thereby increasing the stability during the titration process.

[0040] The clamping mechanism 4 includes a group of relative clamping components, each clamping component includes a frame 401, the inner wall of the frame 401 is fixedly connected to a second spring 403, one end of the second spring 403 is fixedly connected to a deformable elastic clamp 404, the elastic clamp 404 can be deformed to clamp and fix containers of different diameters, the material of the elastic clamp 404 is elastic plastic, and an anti-skid pad 405 is provided on one side of the elastic clamp 404, and the anti-skid pad 405 is made of rubber material to increase the friction between the elastic clamp 404 and the contact surface of the container, and a limiting plate 402 is fixedly provided on the top of the frame 401 to limit the elastic clamp 404. When fixing the container, the elastic clamp 404 is moved in advance, and the elastic clamp 404 retracts toward the inside of the frame 401 and squeezes the second spring 403. After the container is placed in the placement slot 102, the elastic clamp 404 is released after the placement is completed, and the second spring 403 drives the elastic clamp 404 to reset and clamp and fix the container.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A titration device, comprising a placement table (1), characterized in that: The placement table (1) is provided with a rotatable quick installation mechanism (2), a plurality of dripping mechanisms (3) are inserted into the top of the quick installation mechanism (2), and the plurality of dripping mechanisms (3) respectively store different titration reagents; The quick installation mechanism (2) comprises a rotating frame (201), and a plurality of installation cylinders (204) are provided on the rotating frame (201); The liquid dripping mechanism (3) comprises a liquid storage cylinder (301), a sealing cylinder (303) is threadedly sleeved on the top of the liquid storage cylinder (301), and a liquid outlet assembly is arranged inside the sealing cylinder (303).

2. A titration device according to claim 1, characterized in that: The placement table (1) comprises a plate body (101), the bottom of the plate body (101) is connected to a support leg (105) for supporting the plate body (101), one side of the upper portion of the plate body (101) is provided with an integrally formed fixed column (103), the rotating frame (201) is sleeved on the surface of the fixed column (103), the surface of the fixed column (103) is sleeved with a limiting piece (104) for limiting the position of the rotating frame (201), and the other side of the upper portion of the plate body (101) is provided with a placement groove (102) for placing a drug solution container.

3. A titration device according to claim 1, characterized in that: A plurality of first springs (202) are provided at the bottom of the inner wall of the mounting cylinder (204); a movable plate (205) that can slide on the inner wall of the mounting cylinder (204) is connected to the top of the plurality of first springs (202); the movable plate (205) is movably connected to the bottom of the liquid storage cylinder (301); and a non-slip sleeve (203) made of rubber material is provided on the inner wall of the center hole of the rotating frame (201).

4. A titration device according to claim 1, characterized in that: The liquid outlet end of the liquid storage cylinder (301) is sleeved with a liquid dripping head (308), and the surface of the sealing cylinder (303) is respectively mounted with a controller (302) and a storage battery (304).

5. A titration device according to claim 1, characterized in that: The liquid outlet assembly comprises a driving device (309), wherein the driving device (309) is placed at the top of the inner cavity of the sealing cylinder (303), wherein the output shaft of the driving device (309) is connected to a screw rod (305) via a coupling, wherein a movable frame (306) is threadedly sleeved on the screw rod (305), wherein a piston (307) is connected to the bottom of the movable frame (306), wherein the piston (307) is movably connected to the inner wall of the sealing cylinder (303) and the liquid storage cylinder (301), wherein sliders are arranged on the left and right sides of the movable frame (306), and wherein a sliding groove for use with the slider is provided on the inner wall of the sealing cylinder (303).

6. A titration device according to claim 2, characterized in that: A clamping mechanism (4) for clamping a drug solution container is provided on the periphery of the placement groove (102) on the plate body (101).

7. A titration device according to claim 6, characterized in that: The clamping mechanism (4) comprises a group of relative clamping components, each clamping component comprises a frame (401), the inner wall of the frame (401) is connected to a second spring (403), one end of the second spring (403) is connected to a deformable elastic clamp (404), one side of the elastic clamp (404) is provided with an anti-slip pad (405), and the top of the frame (401) is provided with a limiting plate (402) for limiting the elastic clamp (404).

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