CN217954334U

CN217954334U - Automatic titrator of formula

Info

Publication number: CN217954334U
Application number: CN202221780658.5U
Authority: CN
Inventors: 曹二林; 王守群
Original assignee: Nanjing Ruijing Instrument Technology Co ltd
Current assignee: Nanjing Ruijing Instrument Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-12-02
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses an automatic titrator of formula involves the titrator field, including the operation panel, the top of operation panel is provided with the movable plate, and the front side fixedly connected with of movable plate side surface titrates the case, titrates the inner wall sliding connection of case and has the piston, and the upside fixed surface of piston is connected with the fixed plate, the equal fixedly connected with lead screw in the left and right sides on fixed plate side surface, and first cavity has been seted up on the upside surface of movable plate, and the left and right sides of first cavity inner wall downside all rotates through the bearing and is connected with the internal thread bucket. The utility model discloses, through the rebound of piston, the convenient titration liquid that extracts in to the titration box avoids causing the pollution to the titration liquid, through the rebound of piston, conveniently releases the titration liquid in the titration box through the buret, makes things convenient for operating personnel to operate when using simultaneously to under the effect of first servo motor and first valve, the output quantity of convenient control titration liquid.

Description

Automatic titrator of formula

Technical Field

The utility model relates to a titrator field, in particular to titrator of automatic formula.

Background

The automatic potentiometric titrator can perform potentiometric titration, including acid-base titration, redox titration, precipitation titration, complexation titration and non-water titration, and also can perform constant pH measurement, and can perform photometric titration, polarization titration, volumetric Ka's water titration and surfactant titration through selection, and other titration analysis methods.

The applicant finds that a Chinese patent discloses a 'data feedback type automatic titrator' through retrieval, and the disclosure (announcement) number of the Chinese patent is 'CN 211553899U', and the Chinese patent is mainly provided with a first adjusting rod, a sliding tooth, a second adjusting rod, a first rotating rod, a second rotating rod, a connecting seat, a first pull rod, a handle, a second pull rod, a titration frame, a first sliding block, a first sliding rail, a second spring, a second sliding block, a threaded sleeve, a rotating shaft and a third spring.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic titrator of formula to the solution is proposed in the above-mentioned background art when adding titration liquid in the buret, inconvenient interpolation, current titrator is mostly put into the titration pipe and extracts the titration liquid, but because be stained with impurity on the buret easily, pollutes the titration liquid, leads to the unable problem of using of titration liquid.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an automatic titrator of formula, includes the operation panel, the top of operation panel is provided with the movable plate, the front side fixedly connected with of movable plate downside surface titrates the case, the inner wall sliding connection who titrates the case has the piston, the upside fixed surface of piston is connected with the fixed plate, the equal fixedly connected with lead screw in left and right sides of fixed plate upside surface, first cavity has been seted up on the upside surface of movable plate, the left and right sides of first cavity inner wall downside all rotates through the bearing and is connected with the internal thread bucket, two the downside surface to its upside surface of movable plate, two are all run through to the upper end of lead screw the pole wall of lead screw all with the inner wall threaded connection of internal thread bucket, the inside of first cavity is provided with drive mechanism.

Preferably, drive mechanism's inside includes two first spur gears, two the inner wall of first spur gear all with the bucket wall fixed connection of internal thread bucket, two the common meshing of a relative side surface of first spur gear is connected with the second spur gear, the first servo motor of front side fixedly connected with of side surface on the movable plate, the inside of side surface to first cavity on the movable plate is run through to the output of first servo motor, the output of first servo motor is connected with the side surface fixed connection of going up of second spur gear.

Preferably, the front side surface of the titration box is fixedly connected with a transparent observation window, and the front side surface of the transparent observation window is provided with a plurality of scale marks.

Preferably, the lower side surface of the titration box is fixedly connected with a titration tube, and the tube wall of the titration tube is fixedly connected with a first valve.

Preferably, the right side fixedly connected with connecting pipe of titration case downside surface, the pipe wall fixedly connected with second valve of connecting pipe, the downside threaded connection of connecting pipe inner wall has the connector, the lower extreme fixedly connected with hose of connector, the right-hand stock solution box that is provided with of side surface on the operation panel, the lower extreme of hose and the downside fixed connection of stock solution box left side surface.

Preferably, two screw thread mouths, two are opened to the rear side of movable plate upside surface the equal threaded connection of inner wall of screw thread mouth has the threaded rod, the rear side of operation panel upside surface is opened and is equipped with the second cavity, two the inside of upside surface to the second cavity of operation panel, two are all run through to the lower extreme of threaded rod the equal fixedly connected with worm wheel of downside of threaded rod wall, two the common meshing of rear side surface of worm wheel is connected with the worm, the left end of worm runs through the left side of second cavity inner wall to the left side surface of operation panel, the left side fixed surface of operation panel is connected with second servo motor, the output of second servo motor and the left end fixed connection of worm.

Preferably, a placing groove is formed in the front side of the upper side surface of the operating platform, and a detection bottle is arranged in the placing groove.

The utility model discloses a technological effect and advantage:

1. through setting up operation panel, movable plate, titration case, piston, fixed plate, lead screw, internal thread bucket, the utility model discloses, through the rebound of piston, the convenient liquid of titrating of extracting in to the titration case avoids causing the pollution to titration liquid, through the rebound of piston, and the convenient liquid of titrating in the case is released through the buret, makes things convenient for operating personnel to operate when using simultaneously to under the effect of a servo motor and first valve, the output quantity of convenient control titration liquid.

2. Through setting up first straight-toothed gear, the internal thread bucket, the second straight-toothed gear, first servo motor, the movable plate, under first servo motor's drive, make the lead screw can drive the piston and reciprocate in titrating the case, thereby conveniently twitch the titration liquid, through setting up the titration case, transparent observation window, the scale mark, under the effect of transparent observation window and scale mark, conveniently observe the volume of liquid in the titration case, through setting up the titration case, the buret, first valve, under the effect of first valve, the output volume of control buret, through setting up the titration case, the connecting pipe, the second valve, the connector, the hose, the stock solution box, the operation panel, under the effect of connecting pipe, conveniently pass through connector coupling hose, simultaneously under the effect of second valve, avoid liquid reflux to in the stock solution box.

3. Through setting up operation panel, movable plate, threaded rod, worm wheel, worm, second servo motor, under the effect of two threaded rods, the threaded rod conveniently drives the movable plate and reciprocates when carrying out the pivoted, through setting up operation panel, standing groove, detection bottle, under the effect that detects the bottle, conveniently places the sample that needs carry out the detection to under the effect of standing groove, keep the stability of detecting the bottle.

Drawings

Fig. 1 is a schematic view of the overall front side cross-sectional structure of the present invention.

Fig. 2 is an enlarged schematic view of the part a of the present invention.

Fig. 3 is a schematic view of the overall left side cross-sectional structure of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the titration chamber of the present invention.

In the figure: 1. an operation table; 2. moving the plate; 3. a titration box; 4. a piston; 5. a fixing plate; 6. a screw rod; 7. an internal thread barrel; 8. a first straight gear; 9. a second spur gear; 10. a first servo motor; 11. a burette; 12. a first valve; 13. a connecting pipe; 14. a second valve; 15. a connector; 16. a hose; 17. a liquid storage box; 18. scale lines; 19. a threaded rod; 20. a worm gear; 21. a worm; 22. a second servo motor; 23. a placement groove; 24. detecting the bottle; 25. a transparent viewing window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model provides an automatic formula's titrator as shown in fig. 1-4, including operation panel 1, operation panel 1's top is provided with

movable plate

2, 2 front side fixedly connected with of side surface titrate the case 3 under the movable plate, the inner wall sliding connection of titrating case 3 has piston 4, the side surface fixedly connected with fixed plate 5 of piston 4, the equal fixedly connected with lead screw 6 in the left and right sides of side surface on fixed plate 5, first cavity has been seted up to the side surface of movable plate 2, the left and right sides of first cavity inner wall downside all is connected with interior thread barrel 7 through the bearing rotation, the lower side surface to its upper surface that movable plate 2 was all run through to the upper end of two lead screws 6, the pole wall of two lead screws 6 all with the inner wall threaded connection of interior thread barrel 7, the inside of first cavity is provided with drive mechanism, the utility model discloses, through the rebound through piston 4, conveniently to extracting titration liquid in the case 3, avoid causing the pollution to titration liquid, through the downward movement of piston 4, conveniently push out titration liquid in titration case 3 through titration buret 11, make things convenient for the operating personnel to operate when using, and at first servo motor 10 and the effect of first servo motor 12, the convenient control liquid output volume.

As shown in fig. 3, the inside of the transmission mechanism includes two first spur gears 8, the inner walls of the two first spur gears 8 are all fixedly connected with the barrel wall of the internal thread barrel 7, the opposite side surfaces of the two first spur gears 8 are engaged with the second spur gear 9 together, the front side of the upper side surface of the movable plate 2 is fixedly connected with a first servo motor 10, the output end of the first servo motor 10 runs through the upper side surface of the movable plate 2 to the inside of the first cavity, the output end of the first servo motor 10 is fixedly connected with the upper side surface of the second spur gear 9, under the driving of the first servo motor 10, the lead screw 6 can drive the piston 4 to move up and down in the titration box 3, and thus the titration solution can be pumped conveniently.

As shown in fig. 1-4, a transparent observation window 25 is fixedly connected to a front side surface of the titration tank 3, a plurality of scale marks 18 are formed on the front side surface of the transparent observation window 25, the amount of liquid in the titration tank 3 is convenient to observe under the action of the transparent observation window 25 and the scale marks 18, a burette 11 is fixedly connected to a lower side surface of the titration tank 3, a first valve 12 is fixedly connected to a pipe wall of the burette 11, the output amount of the burette 11 is controlled under the action of the first valve 12, a connecting pipe 13 is fixedly connected to a right side of the lower side surface of the titration tank 3, a second valve 14 is fixedly connected to a pipe wall of the connecting pipe 13, a connector 15 is connected to a lower side thread of an inner wall of the connecting pipe 13, a hose 16 is fixedly connected to a lower end of the connector 15, a liquid storage box 17 is disposed on a right side surface of the operation panel 1, a lower end of the hose 16 is fixedly connected to a lower side surface of a left side surface of the liquid storage box 17, the hose 16 is convenient to connect to the hose 16 through the connector 15, and backflow of the liquid storage box 17 is avoided under the action of the second valve 14.

As shown in fig. 1 and fig. 3, two screw holes are opened at the rear side of the upper side surface of the moving plate 2, threaded rods 19 are connected to inner walls of the two screw holes in a threaded manner, a second cavity is opened at the rear side of the upper side surface of the operation table 1, lower ends of the two threaded rods 19 penetrate through the upper side surface of the operation table 1 to the inside of the second cavity, worm gears 20 are fixedly connected to lower sides of rod walls of the two threaded rods 19, rear side surfaces of the two worm gears 20 are jointly engaged with a worm 21, a left end of the worm 21 penetrates through a left side of an inner wall of the second cavity to a left side surface of the operation table 1, a second servo motor 22 is fixedly connected to the left side surface of the operation table 1, an output end of the second servo motor 22 is fixedly connected to a left end of the worm 21, under the effect of the two threaded rods 19, the threaded rods 19 facilitate driving the moving plate 2 to move up and down when rotating, a placing groove 23 is opened at the front side of the upper side surface of the operation table 1, a detection bottle 24 is arranged inside the placing groove 23, and a detection bottle 24 is arranged under the effect of the detection bottle 24.

The utility model discloses the theory of operation: when the device is used, a first valve 12 on a burette 11 is closed, a second valve 14 on a connecting pipe 13 is opened, the first servo motor 10 is electrified, the first servo motor 10 drives a second straight gear 9 to rotate, so that the two first straight gears 8 are driven to rotate, two screw rods 6 drive a piston 4 under a fixed plate 5 to move upwards in a titration box 3, when the piston 4 moves upwards, the piston 4 pumps titration liquid in a liquid storage box 17 into the titration box 3 through a hose 16 until the titration liquid is pumped to a required dosage, the second valve 14 on the connecting pipe 13 is closed, the second servo motor 22 is electrified, the second servo motor 22 drives a worm 21 to rotate, so that worm gears 20 on two threaded rods 19 are driven to rotate, the threaded rods 19 are driven to rotate, so that the titration box 3 on the movable plate 2 is driven to move downwards, and the burette 11 is moved into a detection bottle 24 in a placement groove 23;

open first valve 12 on the buret 11 for in titrating the titration liquid in the case 3 and entering into detecting bottle 24 through buret 11, through the volume that first valve 12 control titrated the liquid and get into, when the mouthful of opening of first valve 12 is too little, switch on first servo motor 10, make lead screw 6 drive piston 4 move down through the drive of first servo motor 10, promote titrating the liquid in the case 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An automatic titrator, comprising an operating table (1), characterized in that: the top of operation panel (1) is provided with movable plate (2), movable plate (2) downside surface's front side fixedly connected with titrates case (3), the inner wall sliding connection who titrates case (3) has piston (4), the upside fixed surface of piston (4) is connected with fixed plate (5), the equal fixedly connected with lead screw (6) of the left and right sides of fixed plate (5) upside surface, first cavity has been seted up on the upside surface of movable plate (2), the left and right sides of first cavity inner wall downside all is connected with interior thread barrel (7) through the bearing rotation, two the downside surface to its upper surface of movable plate (2) is all run through to the upper end of lead screw (6), two the pole wall of lead screw (6) all with the inner wall threaded connection of interior thread barrel (7), the inside of first cavity is provided with drive mechanism.

2. An automated titrator as claimed in claim 1, wherein: the inside of drive mechanism includes two first spur gears (8), two the inner wall of first spur gear (8) all with the bucket wall fixed connection of internal thread bucket (7), two the common meshing of the relative side surface of first spur gear (8) is connected with second spur gear (9), the first servo motor (10) of front side fixedly connected with of side surface on movable plate (2), the inside of side surface to first cavity on movable plate (2) is run through to the output of first servo motor (10), the output of first servo motor (10) and the side surface fixed connection of going up of second spur gear (9).

3. An automated titrator as claimed in claim 1, wherein: the front side surface of the titration box (3) is fixedly connected with a transparent observation window (25), and the front side surface of the transparent observation window (25) is provided with a plurality of scale marks (18).

4. An automated titrator as claimed in claim 1, wherein: the lower side surface fixed connection of titration case (3) has buret (11), the pipe wall fixed connection of buret (11) has first valve (12).

5. An automated titrator as claimed in claim 1, wherein: titration case (3) downside surface's right side fixedly connected with connecting pipe (13), pipe wall fixedly connected with second valve (14) of connecting pipe (13), the downside threaded connection of connecting pipe (13) inner wall has connector (15), the lower extreme fixedly connected with hose (16) of connector (15), operation panel (1) upside surface right-hand liquid storage box (17) that is provided with, the lower extreme of hose (16) and the downside fixed connection of liquid storage box (17) left side surface.

6. An automated titrator according to claim 1, wherein: moving plate (2) upside surface's rear side is opened and is equipped with two screw thread mouths, two the equal threaded connection of inner wall of screw thread mouth has threaded rod (19), the rear side of operation panel (1) upside surface is opened and is equipped with the second cavity, two the inside of upside surface to the second cavity of operation panel (1) is all run through to the lower extreme of threaded rod (19), two the equal fixedly connected with worm wheel of downside (20) pole wall, two the common meshing of rear side surface of worm wheel (20) is connected with worm (21), the left end of worm (21) runs through the left side of second cavity inner wall to the left side surface of operation panel (1), the left side fixed surface of operation panel (1) is connected with second servo motor (22), the output of second servo motor (22) and the left end fixed connection of worm (21).

7. An automated titrator as claimed in claim 1, wherein: a placing groove (23) is formed in the front side of the upper side surface of the operating platform (1), and a detection bottle (24) is arranged in the placing groove (23).