CN210347570U

CN210347570U - Titration test device for chemical analysis

Info

Publication number: CN210347570U
Application number: CN201921334927.3U
Authority: CN
Inventors: 李思忍
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-04-17
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a chemical analysis titration test device, comprising a base plate, the last fixed surface of bottom plate is connected with the bracing piece, the first dead lever of upper end side fixedly connected with of bracing piece, the one end fixedly connected with liquid reserve pipe of first dead lever, the upper end of liquid reserve pipe is provided with the filling opening, the emulsion tube has been cup jointed in the lower extreme outside of liquid reserve pipe, the middle part outside fixedly connected with second dead lever of bracing piece, the one end of second dead lever is provided with the side guide, the inboard of side guide is pegged graft and is had the slide bar, the one end fixedly connected with fly leaf of slide bar, the spring has been cup jointed in the outside of slide bar, this chemical analysis titration test device: the layer board that sets up can drive and titrate the bottle and rotate, titrates the molecular motion that can accelerate its inside solution when the bottle is rotatory, and the mixture that inside solution can be faster, and the dripper that sets up with titrate the bottle decentraction, the scope of solution placement enlarges when titrating, further accelerates the solution and mixes.

Description

Titration test device for chemical analysis

Technical Field

The utility model relates to a chemistry test technical field specifically is a chemical analysis titration test device.

Background

The titration test is a test using a titration analysis method, and is a kind of chemical analysis method, in which a reagent solution (referred to as a standard solution) whose exact concentration is known is dropped into a solution of a substance to be measured until a chemical reaction is completed, and then the content of a component to be measured can be determined based on the concentration and volume of the reagent solution used.

The existing chemical analysis titration test device has the advantages that the standard solution is in a static state all the time when undergoing a chemical reaction with the measured solution after passing through the molecular movement, the concentration of the measured solution becomes low at the final stage of titration, the standard solution in the titration bottle is dripped, the standard solution can be mixed with the measured solution after being mixed for a period of time, more time is wasted on the molecular movement, the single molecular movement depending on the solution per se is mixed, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chemical analysis titration test device to solve the motion that standard solution passes through the molecule, take place chemical reaction with being surveyed solution, titrate the bottle and be in quiescent condition all the time, at the final stage of titrating, surveyed solution concentration step-down, the standard solution in titrating the bottle is dripped to, often need a period just can carry out chemical reaction with being surveyed solution, more time has been wasted on molecular motion, single molecular motion by solution self mixes, the slow problem of efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a chemical analysis titration test device comprises a bottom plate, wherein a support rod is fixedly connected to the upper surface of the bottom plate, a first fixing rod is fixedly connected to the side face of the upper end of the support rod, a liquid storage pipe is fixedly connected to one end of the first fixing rod, a liquid filling opening is formed in the upper end of the liquid storage pipe, a latex pipe is sleeved on the outer side of the lower end of the liquid storage pipe, a second fixing rod is fixedly connected to the outer side of the middle of the support rod, a side pressing plate is arranged at one end of the second fixing rod, a sliding rod is inserted into the inner side of the side pressing plate, a movable plate is fixedly connected to one end of the sliding rod, a spring is sleeved on the outer side of the sliding rod, a threaded knob penetrates through the inner side of one end of the movable plate, one end of the threaded knob is in threaded connection with the side, the inner wall fixed mounting of bearing has the dabber, the upper end fixed mounting of dabber has the layer board, the upper surface of layer board is provided with the rubber pad, titration bottle has been placed to the upper surface of rubber pad.

Preferably, one end of the spring abuts against the outer side of the side pressure plate, and the other end of the spring abuts against the outer side of the movable plate.

Preferably, one side of the latex tube is in contact connection with the side pressing plate, and the other side of the latex tube is in contact connection with the movable plate.

Preferably, the outside fixed mounting of dabber has driven pulley, the inboard fixed mounting in middle part of bottom plate has the motor, the output shaft fixed mounting of motor has driving pulley, be connected through the belt between driving pulley and the driven pulley.

Preferably, the upper surface of one end of the bottom plate is provided with a storage battery, and one end of the bottom plate is provided with a switch.

Compared with the prior art, the beneficial effects of the utility model are that: this chemical analysis titration test device:

1. can drive the dabber through the motor that sets up and rotate, and then make the layer board rotatory thereupon, place the bottle of titrating in the layer board top and also can rotate, can accelerate the molecular motion of its inside solution when titrating the bottle rotation for inside solution can be faster mix, improves test efficiency.

2. The liquid filling opening that sets up is conical, makes things convenient for the interpolation of standard solution, and the emulsion tube centre gripping is between side clamp and fly leaf, through screwing up the screw knob, can make the fly leaf remove towards the side clamp, just can the shutoff emulsion tube, through the clearance size of control emulsion inside pipe wall, can change the speed of titrating, and the dripper that sets up is eccentric with titrating the bottle for the scope of solution drop point enlarges when titrating, further accelerates the solution mixing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the side press plate and the components thereof.

In the figure: 10. a base plate; 11. a support bar; 12. a first fixing lever; 13. a liquid storage pipe; 14. a liquid filling port; 15. a latex tube; 16. a second fixing bar; 17. side pressing plates; 18. a slide bar; 19. a movable plate; 20. a spring; 21. a threaded knob; 22. a liquid dropping head; 23. a bearing; 24. a mandrel; 25. a support plate; 26. a rubber pad; 27. a titration bottle; 28. a driven pulley; 29. a motor; 30. a drive pulley; 31. a belt; 32. a storage battery; 33. and (4) switching.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a chemical analysis titration test device comprises a bottom plate 10, a support rod 11 is fixedly connected to the upper surface of the bottom plate 10, a first fixing rod 12 is fixedly connected to the side face of the upper end of the support rod 11, a liquid storage pipe 13 is fixedly connected to one end of the first fixing rod 12, a standard solution is contained in the liquid storage pipe 13, a liquid adding opening 14 is formed in the upper end of the liquid storage pipe 13, the liquid adding opening 14 is conical, a larger opening facilitates adding of the standard solution, a latex pipe 15 is sleeved on the outer side of the lower end of the liquid storage pipe 13, the standard solution can flow towards the inside of the latex pipe 15, a second fixing rod 16 is fixedly connected to the outer side of the middle of the support rod 11, a side pressure plate 17 is arranged at one end of the second fixing rod 16, a sliding rod 18 is inserted into the inner side of the side pressure plate 17, a movable plate 19 is fixedly connected to one end of the, the other end of the spring 20 is propped against the outer side of the movable plate 19, the spring 20 applies thrust to the movable plate 19, so that the movable plate 19 always has a tendency of being far away from the side pressing plate 17, one side of the latex tube 15 is in contact connection with the side pressing plate 17, the other side of the latex tube 15 is in contact connection with the movable plate 19, the latex tube 15 is clamped between the side pressing plate 17 and the movable plate 19, a threaded knob 21 penetrates through the inner side of one end of the movable plate 19, one end of the threaded knob 21 is in threaded connection with the side pressing plate 17, the threaded knob 21 is displaced towards the side pressing plate 17 by screwing the threaded knob 21, the movable plate 19 is driven to move towards the side pressing plate 17 by the threaded knob 21, the distance between the movable plate 19 and the side pressing plate 17 is gradually reduced, the latex tube 15 between the movable plate 19 and the side pressing plate 17 is gradually blocked, the size of the, not only can change the titration speed, the inner side of the lower end of the latex tube 15 is inserted with the dropper 22, the standard solution passing through the latex tube 15 can enter the dropper 22 and drip from the dropper 22, the inner side of the base plate 10 is provided with the bearing 23, the inner wall of the bearing 23 is fixedly provided with the mandrel 24, the mandrel 24 can rotate, the upper end of the mandrel 24 is fixedly provided with the supporting plate 25, the upper surface of the supporting plate 25 is provided with the rubber pad 26, the upper surface of the rubber pad 26 is provided with the titration bottle 27, the titration bottle 27 is filled with the solution to be tested, the mandrel 24 rotates to drive the supporting plate 25 to rotate along with the titration bottle, the titration bottle 27 arranged above the supporting plate 25 can also rotate, the titration bottle 27 can accelerate the molecular motion of the solution therein when rotating, so that the solution inside is easier to mix and the test efficiency is improved, the outer side of the mandrel 24 is fixedly provided with the driven pulley 28, the one end upper surface of bottom plate 10 is provided with battery 32, the one end of bottom plate 10 is provided with switch 33, battery 32 passes through and establishes ties between wire and switch 33 and the motor 29, can control the route of electric current and open circuit through switch 33, can control opening and shutting of motor 29, the output shaft fixed mounting of motor 29 has drive pulley 30, be connected through belt 31 between drive pulley 30 and the driven pulley 28, the motor 29 is rotatory to drive pulley 30 rotatory, transmission effect through belt 31, driven pulley 28 can rotate thereupon, driven pulley 28 is rotatory will drive dabber 24 and rotate.

The utility model discloses when concrete implementation: when the titration apparatus is used, firstly, the screw knob 21 needs to be screwed down, the screw knob 21 moves towards the side pressure plate 17, the screw knob 21 drives the movable plate 19 to move towards the side pressure plate 17, the distance between the movable plate 19 and the side pressure plate 17 is gradually reduced, the latex tube 15 between the movable plate 19 and the side pressure plate 17 is gradually blocked, standard solution is added into the liquid storage tube 13, the titration bottle 27 is placed on the rubber pad 26, the titration bottle 27 needs to be concentric with the mandrel 24, the titration head 22 is not concentric with the titration bottle 27 when the closing switch 33 is opened, the motor 29 is electrified and rotates, the motor 29 rotates to drive the driving pulley 30 to rotate, the driven pulley 28 rotates along with the belt 31, the driven pulley 28 rotates to drive the mandrel 24 to rotate, the mandrel 24 rotates to drive the supporting plate 25 to rotate along with the mandrel 24, place and also can rotate at the titration bottle 27 of layer board 25 top, loosen screw knob 21 gradually for appear the clearance between the latex tube 15, in the standard solution through latex tube 15 can get into dripper 22, in dripping into titration bottle 27 from dripper 22, can accelerate the molecular motion of its inside solution when titration bottle 27 is rotatory, make its inside solution mix the improvement efficiency of experiment more easily.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A chemical analysis titration test device, includes bottom plate (10), its characterized in that: the upper surface of the bottom plate (10) is fixedly connected with a supporting rod (11), the upper end side surface of the supporting rod (11) is fixedly connected with a first fixing rod (12), one end of the first fixing rod (12) is fixedly connected with a liquid storage pipe (13), the upper end of the liquid storage pipe (13) is provided with a liquid filling opening (14), the outer side of the lower end of the liquid storage pipe (13) is sleeved with a latex pipe (15), the outer side of the middle part of the supporting rod (11) is fixedly connected with a second fixing rod (16), one end of the second fixing rod (16) is provided with a side pressure plate (17), the inner side of the side pressure plate (17) is inserted with a sliding rod (18), one end of the sliding rod (18) is fixedly connected with a movable plate (19), the outer side of the sliding rod (18) is sleeved with a spring (20), and the inner side of one, the utility model discloses a titration flask, including latex tube (15), bottom plate (10), inner wall fixed mounting of bearing (23), the one end and the side pressure board (17) threaded connection of screw thread knob (21), the inboard grafting of the lower extreme of latex tube (15) has dripper (22), the inboard of bottom plate (10) is provided with bearing (23), the inner wall fixed mounting of bearing (23) has dabber (24), the upper end fixed mounting of dabber (24) has layer board (25), the upper surface of layer board (25) is provided with rubber pad (26), titration flask (27) have been placed to the upper surface of rubber pad (26).

2. A titration test device for chemical analysis according to claim 1, wherein: one end of the spring (20) props against the outer side of the side pressure plate (17), and the other end of the spring (20) props against the outer side of the movable plate (19).

3. A titration test device for chemical analysis according to claim 1, wherein: one side of the latex tube (15) is in contact connection with the side pressing plate (17), and the other side of the latex tube (15) is in contact connection with the movable plate (19).

4. A titration test device for chemical analysis according to claim 1, wherein: the outer side fixed mounting of dabber (24) has driven pulley (28), the inboard fixed mounting in middle part of bottom plate (10) has motor (29), the output shaft fixed mounting of motor (29) has drive pulley (30), be connected through belt (31) between drive pulley (30) and driven pulley (28).

5. A titration test device for chemical analysis according to claim 4, wherein: the upper surface of one end of the bottom plate (10) is provided with a storage battery (32), and one end of the bottom plate (10) is provided with a switch (33).