CN211978796U

CN211978796U - Automatic potentiometric titrator

Info

Publication number: CN211978796U
Application number: CN202020529102.3U
Authority: CN
Inventors: 何敏; 李利娟; 邱冬雪; 谢林
Original assignee: Sichuan Zhong Zhong Quality Technology Inspection Co ltd
Current assignee: Sichuan Zhong Zhong Quality Technology Inspection Co ltd
Priority date: 2020-04-11
Filing date: 2020-04-11
Publication date: 2020-11-20
Anticipated expiration: 2030-04-11

Abstract

The utility model relates to an automatic potentiometric titrator belongs to the detecting instrument field, including the titrator body, one side of titrator body is provided with examines test table, examines test table and is provided with the pole setting, and sliding connection has the clamp in the pole setting, is provided with buret and detection electrode in the clamp, examines test table and has seted up the washing tank in the below that is located the clamp, is provided with the fixed plate in the washing tank, sets up the trompil that supplies buret and detection electrode to pass through on the fixed plate, and the fixed plate can be dismantled and connect in the washing tank. The utility model discloses have the effect of being convenient for wash buret and detection electrode.

Description

Automatic potentiometric titrator

Technical Field

The utility model belongs to the technical field of detecting instrument's technique and specifically relates to an automatic potentiometric titrator is related to.

Background

The automatic potentiometric titrator is a common analyzer designed according to the principle of potentiometry and used for capacity analysis, and the main principle is that a working battery is formed by selecting a proper indicating electrode and a proper reference electrode and a measured solution, and with the addition of a titrant, the concentration of measured ions is continuously changed due to chemical reaction, so that the potential of the indicating electrode is changed accordingly. In the vicinity of the titration end point, the measured ion concentration abruptly changes to cause a sudden electrode potential jump, and therefore the titration end point can be determined from the sudden electrode potential jump.

Present grant bulletin No. is CN 209992457U's chinese patent discloses a full-automatic potentiometric titrator, including the titrator, the loop bar is installed in titrator top left side, it has interior pole to peg graft in the loop bar, the transmission shaft that push rod motor and lifter and push rod motor were installed respectively in loop bar and interior pole left side is connected with the lifter transmission, interior pole top is installed solid fixed cylinder, gu fixed cylinder installs the horizontal pole on the right side, the clamp is installed on the horizontal pole right side just the clamp is total two sets of, two sets of the joint has buret and detection electrode respectively in the clamp, buret and detection electrode bottom all arrange in the detection bottle.

The above prior art solutions have the following drawbacks: when using this titrator, will wait to treat that solution arranges in the detection bottle, insert buret and detection electrode to the detection bottle in, utilize the titrator to detect solution can, but at every detection back, the measurement personnel all need wash buret and detection electrode, the cup that measurement personnel will be equipped with water this moment need be arranged in buret and detection electrode below in, make buret and detection electrode get into the aquatic and wash again, whole process is comparatively inconvenient, and detection efficiency has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic potentiometric titrator convenient to wash buret and detection electrode to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an automatic potentiometric titrator, includes the titrator body, one side of titrator body is provided with examines test table, it is provided with the pole setting on the test table to examine, sliding connection has the clamp in the pole setting, be provided with buret and detection electrode in the clamp, examine test table and be located the below of clamp and seted up the washing tank, be provided with the fixed plate in the washing tank, set up the trompil that supplies buret and detection electrode to pass through on the fixed plate, the fixed plate can be dismantled and connect in the washing tank.

By adopting the technical scheme, before the titrator is used, water is added towards the interior of the cleaning tank, the fixing plate is arranged in the cleaning tank, when the titrator is used, the detection bottle filled with the solution to be detected is arranged on the fixing plate, then the clamp is abutted to the detection bottle, the burette and the detection electrode are enabled to enter the detection bottle, then the titrator body can be used for carrying out titration detection on the solution to be detected, after the detection is finished, the detection bottle is taken off from the fixing plate, the clamp is moved towards the cleaning tank, the burette, the detection electrode and the open pore are enabled to enter the cleaning tank, the burette and the detection electrode are cleaned by using the water in the cleaning tank, after the cleaning is finished, the burette and the detection electrode are removed, then the detection of other solution to be detected is carried out, the operation steps of a tester are reduced by arranging the cleaning tank, and the burette and the detection electrode are more convenient to clean, meanwhile, the detection efficiency is improved.

The present invention may be further configured in a preferred embodiment as: the improved washing device is characterized in that a water inlet pipe is arranged on the detection table, the water inlet pipe penetrates through the side wall of the detection table and extends into a washing tank, a washing pipe is arranged in the washing tank, the washing pipe is annular, the water inlet pipe is communicated with the washing pipe, a plurality of water outlets are uniformly arranged on the washing pipe along the circumferential direction of the washing pipe at intervals and face the direction far away from the inner wall of the washing tank, a water outlet hole is formed in the bottom of the washing tank, and the water outlet hole penetrates through the detection table in an inclined mode.

Through adopting above-mentioned technical scheme, when needs wash buret and detection electrode, with buret and detection electrode immigration washing tank in, let in water source to the intake pipe afterwards, water gets into in the washing pipe through the inlet tube, then apopore blowout on the rethread washing pipe, this moment because buret and detection electrode are located the washing pipe, consequently, washing pipe spun water can wash buret and detection electrode, and the water after washing then discharges through the wash port, the cleaning performance to buret and detection electrode has been improved through setting up of washing pipe.

The present invention may be further configured in a preferred embodiment as: the water inlet pipe is provided with a control valve.

By adopting the technical scheme, a tester can more conveniently control the input of water through the control valve.

The present invention may be further configured in a preferred embodiment as: and a collecting box is arranged on the detection table and at the position where the drain hole penetrates through.

Through adopting above-mentioned technical scheme, collect the box and can collect the waste water of following the wash port drainage to make the use of titrator more convenient.

The present invention may be further configured in a preferred embodiment as: be provided with joint portion along the circumference of fixed plate on the fixed plate, the joint groove has been seted up along the edge of washing tank on examining test table, joint portion is located the joint inslot, just joint portion sets up with the cooperation of joint groove.

Through adopting above-mentioned technical scheme, when placing the fixed plate, make the fixed plate get into the washing tank in, make the joint portion entering joint inslot of fixed plate, can fix the position of fixed plate through setting up in joint portion and joint groove, the testing personnel of being convenient for place on detecting the bottle fixed plate, when needs put aside the fixed plate simultaneously, only need make the fixed plate follow washing tank in move out can, comparatively convenient.

The present invention may be further configured in a preferred embodiment as: the two sides of the clamping groove on the detection table are provided with arc grooves, and the arc grooves are communicated with the clamping groove.

Through adopting above-mentioned technical scheme, when needs remove the fixed plate, the testing personnel can block the arc wall with the finger card to take out the fixed plate is whole, the setting up of arc wall makes taking out of fixed plate more convenient.

The present invention may be further configured in a preferred embodiment as: and the fixed plate is provided with a positioning groove for positioning the position of the detection disc.

Through adopting above-mentioned technical scheme, the constant head tank can be to the position of location detection bottle to need not the experimenter and go to adjust the position that detects the bottle, make detection bottle and clamp correspond, make the use of titrator more convenient.

The present invention may be further configured in a preferred embodiment as: the fixed plate is made of transparent PVC materials.

Through adopting above-mentioned technical scheme, set up the fixed plate into transparent PVC material for the condition that buret and detection electrode wash can be seen more clearly to the testing personnel.

To sum up, the utility model discloses a following at least one useful technological effect:

1. after detection is finished, the burette and the detection electrode can be cleaned only by moving the burette and the detection electrode into the cleaning tank through the opening, so that the burette and the detection electrode are more convenient to clean, and the detection efficiency is improved;

2. through setting up annular scavenge pipe in the washing tank, set up the water outlet on the scavenge pipe, the rethread inlet tube makes the water source get into in the scavenge pipe, and water can follow the apopore blowout, with buret and back in the measuring electrode immigration washing tank, spun water alright wash with buret and measuring electrode to the cleaning performance to buret and measuring electrode has been improved.

Drawings

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

Fig. 2 is a schematic view of a partial cross-sectional structure of the test table according to the embodiment of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a titrator body; 2. a detection table; 21. erecting a rod; 22. clamping a hoop; 23. a burette; 24. a detection electrode; 25. a cleaning tank; 26. a water inlet pipe; 261. a control valve; 27. cleaning the tube; 271. a water outlet hole; 28. a drain hole; 281. a collection box; 29. a clamping groove; 291. an arc-shaped slot; 3. a fixing plate; 31. opening a hole; 32. a clamping part; 33. and (6) positioning a groove.

Detailed Description

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

Referring to fig. 1 and fig. 2, for the utility model discloses an automatic potentiometric titrator, including titrator body 1, one side of titrator body 1 is provided with detects platform 2, it follows the pole setting 21 of vertical direction to detect fixedly connected with on platform 2, sliding connection has clamp 22 on the pole setting 21, be provided with buret 23 and detection electrode 24 in the clamp 22, it has seted up washing tank 25 to detect the below that is located clamp 22 on platform 2, be provided with fixed plate 3 in the washing tank 25, the used detection bottle is placed on fixed plate 3 when examining, set up the trompil 31 that supplies buret 23 and detection electrode 24 to pass through on the while fixed plate 3, and fixed plate 3 can be dismantled and connect in washing tank 25.

Before using the titrator, add water to the washing tank 25 in, arrange fixed plate 3 in washing tank 25, then will be equipped with the detection bottle of waiting to examine solution and arrange in fixed plate 3, remove clamp 22 and make buret 23 and detection electrode 24 get into in the detection bottle, utilize titrator body 1 to treat the solution of examining and detect, after the detection finishes, will detect the bottle and take off from fixed plate 3, make buret 23 and detection electrode 24 and trompil 31 get into in the washing tank 25, utilize the water in the washing tank 25 to wash buret 23 and detection electrode 24, so improve the convenience of wasing buret 23 and detection electrode 24.

Referring to fig. 2 and 3, in order to improve the cleaning performance to burette 23 and detection electrode 24, be provided with inlet tube 26 on detecting platform 2, inlet tube 26 and outside water source intercommunication, inlet tube 26 runs through the lateral wall that detects platform 2 and extends to in the wash bowl 25, be provided with wholly annular scavenge pipe 27 in the wash bowl 25, inlet tube 26 and scavenge pipe 27 intercommunication, evenly spaced apart along the circumference of scavenge pipe 27 on the scavenge pipe 27 and be equipped with a plurality of apopores 271, a plurality of apopores 271 all are towards the direction of keeping away from wash bowl 25 inner wall, burette 23 and detection electrode 24 get into behind the wash bowl 25, be located annular scavenge pipe 27, wash bowl 28 has been seted up to the bottom of wash bowl 25 simultaneously, wash bowl 28 slope runs through downwards and detects platform 2 setting.

After the burette 23 and the detection electrode 24 enter the cleaning tank 25, a water source is introduced into the water inlet pipe 26 to enable water to enter the cleaning pipe 27 and then be sprayed out from the water outlet 271 on the cleaning pipe 27, so that the burette 23 and the detection electrode 24 are washed, the cleaning effect on the burette 23 and the detection electrode 24 can be improved by washing, and the water after cleaning can be discharged out of the cleaning tank 25 through the water outlet 28.

Referring to fig. 1 and 2, in order to facilitate the control of the washing of the burette 23 and the detection electrode 24, a control valve 261 is provided on the water inlet pipe 26, the control valve 261 is configured as a butterfly valve, the water inlet pipe 26 is communicated or closed by the control valve 261, and a collection box 281 is provided on the detection table 2 at a position through which the drain hole 28 penetrates in order to facilitate the collection and treatment of wastewater.

Refer to fig. 2 and fig. 3, circumference along fixed plate 3 is provided with joint portion 32 on the fixed plate 3, detect and seted up joint groove 29 along the edge of washing tank 25 on the platform 2, joint portion 32 is located joint groove 29, and joint portion 32 and the cooperation of joint groove 29 set up, when installing fixed plate 3, when only needing joint portion 32 get into joint groove 29 can, it is very convenient, detect the both sides that lie in joint groove 29 on the platform 2 simultaneously and set up the arc wall 291 that communicates with joint groove 29, the testing personnel can take out fixed plate 3 through arc wall 291, constant head tank 33 has still been seted up on fixed plate 3, make placing of detecting the bottle more convenient, and observe the washing condition for the testing personnel for the convenience, set up fixed plate 3 into transparent PVC material (not shown in the figure).

The implementation principle of the embodiment is as follows: when the titrator is used, firstly, the fixing plate 3 is installed in the cleaning tank 25 through the clamping part 32, then a detection bottle filled with a solution to be detected is arranged in the positioning groove 33 on the fixing plate 3, the clamp 22 is moved to enable the burette 23 and the detection electrode 24 to enter the detection bottle, the titrator body 1 is used for carrying out titration detection on the solution to be detected, after the detection is finished, the detection bottle is taken down from the fixing plate 3, then the clamp 22 is moved to enable the burette 23, the detection electrode 24 and the opening 31 to enter the cleaning tank 25, the control valve 261 on the water inlet pipe 26 is opened to enable water to enter the cleaning pipe 27 through the water inlet pipe 26 and finally to be sprayed out from the water outlet 271, the burette 23 and the detection electrode 24 are cleaned by the sprayed water, after the cleaning is finished, the burette 23 and the detection electrode 24 are moved out, so that the cleaning of the burette 23 and the detection electrode 24 is realized, and, the burette 23 and the detection electrode 24 are more convenient to clean, and the detection efficiency is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an automatic potentiometric titrator, includes titrator body (1), one side of titrator body (1) is provided with detects platform (2), it is provided with pole setting (21) on detecting platform (2), sliding connection has clamp (22) on pole setting (21), be provided with burette (23) and detection electrode (24), its characterized in that in clamp (22): examine on platform (2) and be located the below of clamp (22) and seted up washing tank (25), be provided with fixed plate (3) in washing tank (25), offer trompil (31) that supply buret (23) and detection electrode (24) to pass through on fixed plate (3), fixed plate (3) can be dismantled and connect in washing tank (25).

2. An automated potentiometric titrator according to claim 1, wherein: it is provided with inlet tube (26) on test table (2), inlet tube (26) run through the lateral wall that detects test table (2) and extend to in wash bowl (25), be provided with scavenge pipe (27) in wash bowl (25), scavenge pipe (27) are whole to be the annular, inlet tube (26) and scavenge pipe (27) intercommunication, a plurality of apopores (271) have been seted up along the even interval of circumference of scavenge pipe (27) on scavenge pipe (27), and are a plurality of apopore (271) all towards the direction of keeping away from wash bowl (25) inner wall, wash port (28) have been seted up to the bottom of wash bowl (25), wash port (28) slope runs through downwards and detects test table (2) setting.

3. An automated potentiometric titrator according to claim 2, wherein: and a control valve (261) is arranged on the water inlet pipe (26).

4. An automated potentiometric titrator according to claim 2, wherein: and a collecting box (281) is arranged on the detection table (2) and at the position where the drain hole (28) penetrates.

5. An automated potentiometric titrator according to claim 1, wherein: be provided with joint portion (32) along the circumference of fixed plate (3) on fixed plate (3), joint groove (29) have been seted up along the edge of washing tank (25) on examining test table (2), joint portion (32) are located joint groove (29), just joint portion (32) set up with joint groove (29) cooperation.

6. An automated potentiometric titrator according to claim 5, wherein: the two sides of the clamping groove (29) on the detection table (2) are provided with arc-shaped grooves (291), and the arc-shaped grooves (291) are communicated with the clamping groove (29).

7. An automated potentiometric titrator according to claim 1, wherein: and a positioning groove (33) for positioning the position of the detection disc is formed in the fixing plate (3).

8. An automated potentiometric titrator according to claim 1, wherein: the fixing plate (3) is made of transparent PVC materials.