CN207056595U - A kind of titration outfit - Google Patents

A kind of titration outfit Download PDF

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Publication number
CN207056595U
CN207056595U CN201720972832.9U CN201720972832U CN207056595U CN 207056595 U CN207056595 U CN 207056595U CN 201720972832 U CN201720972832 U CN 201720972832U CN 207056595 U CN207056595 U CN 207056595U
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CN
China
Prior art keywords
buret
reserve tank
liquid reserve
piston
titration
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720972832.9U
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Chinese (zh)
Inventor
王振
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Hydrological Engineering Geological Survey Institute Co ltd
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Wuxi Hydrology And Engineering Geological Survey Institute
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Priority to CN201720972832.9U priority Critical patent/CN207056595U/en
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Publication of CN207056595U publication Critical patent/CN207056595U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of titration outfit, including titration platform, buret and buret clamp, its drip irrigation device is, top is vertically arranged with the titration platform the riser of mounting bracket, the liquid reserve tank with filling opening is provided with the mounting bracket, the bottom of liquid reserve tank is provided with head in drain pipe that is coniform and being connected with liquid reserve tank;It is provided with the piston for being internally provided with runner at the drain pipe, during original state, the piston is located in drain pipe and the opening of runner blocks no leakage by the side wall of drain pipe;The titration outfit also includes being used for the drive mechanism for controlling piston to move;Coniform one end of the drain pipe is extend into be vertically arranged in the buret below liquid reserve tank by buret clamp;It is provided with buoyancy circle in the buret, and the contact switch for controlling drive mechanism to be stopped is provided with zero groove on the inwall of buret, the buoyancy circle can floats or move down with the lifting of liquid level in buret.

Description

A kind of titration outfit
Technical field
A kind of chemical experiment device is the utility model is related to, more specifically, it relates to a kind of titration outfit.
Background technology
Titration is a kind of chemistry experiment operating, and a kind of means of quantitative analysis.It passes through the quantitative anti-of two kinds of solution The content of certain solute should be determined.Titration operation is completed typically by titration stand and buret.
Existing Authorization Notice No. is that CN106423323A Chinese patent discloses a kind of universal buret, by buret Body and titrating head two parts composition.Need to clean buret before use and rinse, titer is then injected into, from drop Determine head and release partially liq to drive bubble in pipe away.Releasing partially liq after more than supplement titer to zero groove makes liquid level just At zero groove.Then, titration operation is carried out.
But after carrying out titration operation using above-mentioned buret, often complete to be required for supplementing titer simultaneously after once titrating Liquid level is adjusted to zero groove, operating process is cumbersome, and also when adjusting every time at liquid level to zero groove, it is understood that there may be difference, it is unfavorable In the precision for improving titration detection, have much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of titration outfit, it has can Quickly to supplement titer, advantage easy to operate.
To achieve the above object, the utility model provides following technical scheme:
A kind of titration outfit, including titration platform, buret and buret clamp, riser is vertically arranged with the titration platform, The one end of the riser away from titration platform is provided with mounting bracket;Liquid reserve tank, the top of the liquid reserve tank are provided with the mounting bracket Portion is provided with filling opening, and it is in coniform drain pipe that bottom, which is provided with head, and the drain pipe is connected with the liquid reserve tank;Institute State and piston be provided with drain pipe, be provided with runner in the piston, the opening of the runner respectively positioned at the side of piston and Bottom surface, during original state, the piston is located in drain pipe and the opening of runner blocks no leakage by the side wall of drain pipe;It is described Titration outfit also includes being used for the drive mechanism for controlling piston to move;Coniform one end of the drain pipe extend into the drop In fixed tube, the buret is vertically arranged in the lower section of liquid reserve tank by buret clamp;Buoyancy circle is provided with the buret, And contact switch is set at zero groove on the inwall of buret, the buoyancy circle can with the lifting of liquid level in buret and Float or move down, the contact switch can control drive mechanism to be stopped.
By using above-mentioned technical proposal, before carrying out titration operation, clean buret is fixed on buret clamp, made The drain pipe of liquid reserve tank bottom is inserted into buret.Titer is added into liquid reserve tank, the control for opening buret bottom is opened Close, moved up by driving mechanisms control piston, the runner in piston connects liquid reserve tank with drain pipe, the titer in drain pipe It is flowed into buret.With the injection of titer, the buoyancy circle in buret floats, and when liquid level is risen at zero groove, floats Power circle contacts with contact switch, and drive mechanism promotes piston to move down, and liquid reserve tank no longer connects with drain pipe, stops liquid feeding.Now, Titration operation can be carried out.After completing titration, standard can be injected into buret again by driving mechanisms control piston Liquid, reduce and be artificially infused to titer and need to harmonize inconvenience of the liquid level to zero groove, improve the accuracy of titration.
Further, the drive mechanism includes being vertically arranged in the hollow guide pillar of liquid reserve tank roof, the guide pillar Lower end does not contact with the bottom wall of liquid reserve tank;Elastic component is arranged with the guide pillar, described elastic component one end is fixed on liquid reserve tank On roof, the other end is fixed on the piston, and the elastic component is in relaxed state during original state;Connected on the piston There is drawstring, the drawstring stretches out after the length of guide pillar from the roof of liquid reserve tank, and the roof of the liquid reserve tank is provided with pulley, The one end of the drawstring away from piston is provided with the pull-push piece for providing push-pull effort;The drawstring pushes away after bypassing pulley with described Draw piece is fixedly connected.
By using above-mentioned technical proposal, when pull-push piece produces pulling force, pulling drawstring moves up piston.The piston pressure moved up Contracting elastic component, piston is moved to when being offseted with guide pillar, and the runner in piston connects liquid reserve tank with drain pipe.Pull-push piece release is drawn During power, drawstring relaxation, elastic component recovers deformation, and piston moves down, and liquid reserve tank no longer connects with drain pipe.
Further, the pull-push piece is cylinder, and the drawstring is fixedly connected with the movable end of cylinder.
By using above-mentioned technical proposal, cylinder is easy for installation, easily controllable.When cylinder produces pulling force, drawstring is pulled, is entered And piston is pulled to move.When cylinder discharges pressure, elastic component recovers deformation, piston reset.
Further, the liquid reserve tank is provided with two groups, and the buret of a liquid reserve tank bottom is acid buret, The buret of another liquid reserve tank bottom is base buret.
By using above-mentioned technical proposal, two groups of liquid reserve tanks and two burets are set, same titration outfit can be passed through Acid base titration operation is separately carried out, improves the convenience of acid base titration operation.
Further, water tank is additionally provided with the mounting bracket, is provided with the top of the water tank and adds the mouth of a river;It is each described Buret is provided with branch pipe close to one end of liquid reserve tank, and flexible pipe is arranged with the branch pipe, and the flexible pipe is connected with water tank, And the connectivity part of the branch pipe and buret is located at the top of zero groove on buret;Control is provided with each flexible pipe Part.
By using above-mentioned technical proposal, water tank is used to store pure water, and the water in water tank can be controlled by control piece Flowed into by flexible pipe and branch pipe in buret, buret is cleaned without buret is pulled down into can, facilitates operation The use of person.
Further, the control piece is hose clamp.
By using above-mentioned technical proposal, hose clamp is easy to use, it is necessary to when discharging water, and removing hose clamp from flexible pipe can So that the water in water tank is injected into buret, buret is cleaned.
Further, transparent windows are provided with the side wall of the liquid reserve tank and water tank.
By using above-mentioned technical proposal, transparent windows are used to observe the liquid level in liquid reserve tank or water tank at any time, Liquid level can be added in time when low.
Further, the filling opening and add capping is provided with the mouth of a river.
By using above-mentioned technical proposal, capping plays the role of to stop that debris enters liquid reserve tank or water tank so that liquid storage The pure water in titer and water tank in case is not contaminated.
In summary, the utility model has the advantages that:
1st, the injection of the cooperation control titer of drive mechanism and piston, buoyancy circle is engaged with contact switch so that liquid level After rising to zero groove, i.e. the injection of stopping criterion liquid, without zeroing, reducing needs continuous supplement standard in titration operation Liquid, the cumbersome of liquid level is adjusted, facilitate use;
2nd, liquid reserve tank is provided with two groups, and acid base titration pipe is independently arranged, and can separately carry out acid drop using same device Fixed and alkali formula titration operation, improves the convenience used;
3rd, the preparation of water tank, buret is cleaned without removing buret can, facilitates use.
Brief description of the drawings
Fig. 1 is the structural representation of titration outfit in embodiment;
Fig. 2 is the enlarged drawing of part A in Fig. 1;
Fig. 3 is the front view of titration outfit in embodiment;
Fig. 4 is the sectional view of liquid reserve tank in embodiment.
In figure:1st, titration platform;11st, riser;12nd, mounting bracket;13rd, conical flask;2nd, buret;21st, acid buret;22、 Base buret;23rd, buoyancy circle;24th, contact switch;25th, branch pipe;26th, zero groove;3rd, buret clamp;4th, liquid reserve tank;41st, add Liquid mouth;42nd, drain pipe;43rd, piston;431st, runner;44th, transparent windows;5th, water tank;51st, the mouth of a river is added;52nd, flexible pipe;521st, it is soft Pipe clamp;6th, cylinder;7th, drawstring;71st, pulley;8th, guide pillar;81st, elastic component;9th, cover.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment:
A kind of titration outfit, reference picture 1, it includes titration platform 1, buret 2 and buret 2 and pressed from both sides, is set vertically on titration platform 1 Riser 11 is equipped with, the folder of buret 2 is arranged on riser 11.In the present embodiment, buret 2 one shares two, is acid drop respectively Fixed tube 21 and base buret 22, two burets 2 are fixed by buret clamp 3.
Reference picture 2, the buoyancy that can be floated or move down with the change of liquid level in buret 2 is provided with buret 2 Circle 23, contact switch 24 is set close to the top of zero groove 26 in buret 2.When the liquid level in buret 2 rose to for zero quarter During line 26, buoyancy circle 23 floats up to just to touch with contact switch 24, trigger switch, and then controls cylinder 6 to stop producing thrust.
Referring to Figures 1 and 2, the top of riser 11 is provided with mounting bracket 12, is disposed with from left to right on mounting bracket 12 Liquid reserve tank 4, water tank 5 and liquid reserve tank 4.The upper end of buret 2, the position of zero groove more than 26 is provided with branch pipe 25, branch pipe 25 Connected between water tank 5 by flexible pipe 52.Hose clamp 521 is provided with flexible pipe 52, the top of water tank 5, which is provided with, adds the mouth of a river 51, Can be toward the pure water of the inner injection cleaning buret 2 of water tank 5 by adding the mouth of a river 51.Remove the hose clamp 521 on flexible pipe 52, water Pure water in case 5 flows into buret 2 by flexible pipe 52, and buret 2 can be cleaned.
Reference picture 3 and Fig. 4, the bottom of liquid reserve tank 4 are provided with drain pipe 42, and the end of drain pipe 42 is in cone.Installation During buret 2, the tapered segment of drain pipe 42 is set to be inserted into buret 2, while normal drain is ensured so that drain pipe 42 and buret 2 be in endless whole sealing status so that the control section of control buret 2 lower end can make liquid downstream to cone In shape bottle 13, titration operation is carried out.
Reference picture 4, piston 43 are internally provided with runner 431, and runner 431 includes the horizontal run through the diameter of piston 43 431 and along the axially arranged some vertical runners 431 connected with horizontal run 431 of piston 43, the opening position of horizontal run 431 In the side of piston 43, the opening of vertical runner 431 is positioned at the bottom surface of piston 43.During original state, piston 43 is fully located at out In liquid pipe 42, the opening of runner 431 is blocked, and the liquid in liquid reserve tank 4 will not be flowed into buret 2 through runner 431.
Reference picture 4, hollow guide pillar 8 is fixedly installed on the roof of liquid reserve tank 4, the lower end of guide pillar 8 is located at piston 43 Top and do not contacted with piston 43.Elastic component 81 is arranged with guide pillar 8, elastic component 81 is that one end is fixed on liquid storage in the present embodiment On the roof of case 4, the other end is fixed on the spring on piston 43.Drawstring 7 is fixedly connected with piston 43, drawstring 7 runs through guide pillar 8 Stretched out from the roof of liquid reserve tank 4, then pass around and be arranged on the roof pulley 71 of liquid reserve tank 4, the other end is fixed on the roof of liquid reserve tank 4 Cylinder 6 movable end.When cylinder 6 produces thrust, drawstring 7 is pulled, drawstring 7 pulls piston 43 to move up simultaneously compression elastic piece 81. After piston 43 moves up, the opening of runner 431 connects with the inner chamber of liquid reserve tank 4, and the liquid in liquid reserve tank 4 can pass through runner 431 Flowed out through drain pipe 42.
Reference picture 1 and Fig. 4, the top of liquid reserve tank 4 are provided with filling opening 41, capping 9 are provided with filling opening 41, passes through liquid feeding Mouthfuls 41 cover capping 9 toward after adding liquid in liquid reserve tank 4, can stop the entrance of debris.Transparent windows are provided with liquid reserve tank 4 44, the level change in liquid reserve tank 4 can be observed by transparent windows 44, to supplement the liquid in liquid reserve tank 4 in time.
Operation principle is as follows:
When needing to inject liquid into buret 2, control cylinder 6 produces thrust to pull drawstring 7.Drawstring 7 pulls piston 43 movements, compression elastic piece 81, the piston 43 moved up make runner 431 connect liquid reserve tank 4 with drain pipe 42.In liquid reserve tank 4 Liquid is flowed into buret 2 through runner 431 and drain pipe 42.While liquid level rises in buret 2, the internal buoyancy circle of buret 2 23 rise therewith.When liquid level rises to zero groove 26, buoyancy circle 23 just touches with the contact switch 24 in buret 2.Touch Point switch 24 is triggered, and so as to control cylinder 6 to discharge pressure, elastic component 81 recovers deformation.Piston 43 is pushed down by elastic component 81 Move, piston 43 is moved to be fully inserted into drain pipe 42 after, the opening of runner 431 is blocked, and liquid stops flowing down.Now can be with Titration operation is carried out, simple to operate, needs return to zero cumbersome when eliminating conventional titration operation, reduce caused by manual operation Titration error, improve the Efficiency and accuracy of titration operation.
When needing to wash buret 2, the hose clamp 521 on flexible pipe 52 is removed, the pure water in water tank 5 can lead to Cross flexible pipe 52 and enter buret 2, buret 2 is washed, it is simple to operate.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (8)

1. a kind of titration outfit, including titration platform (1), buret (2) and buret clamp(3), it is characterised in that:The titration platform (1) riser (11) is vertically arranged with, the one end of the riser (11) away from titration platform (1) is provided with mounting bracket (12);It is described Liquid reserve tank (4) is provided with mounting bracket (12), is provided with filling opening (41) at the top of the liquid reserve tank (4), bottom is provided with head Portion is in coniform drain pipe (42), and the drain pipe (42) is connected with the liquid reserve tank (4);Drain pipe (42) place is set Piston (43) is equipped with, is provided with runner (431) in the piston (43), the opening of the runner (431) is located at piston respectively (43) side and bottom surface, during original state, the piston (43) is located in drain pipe (42) and the opening of runner (431) is gone out The side wall closure no leakage of liquid pipe (42);The titration outfit also includes being used for the drive mechanism for controlling piston (43) mobile;Institute The coniform one end for stating drain pipe (42) is extend into the buret (2), and the buret (2) passes through buret clamp(3) It is vertically arranged in the lower section of liquid reserve tank (4);Buoyancy circle (23) is provided with the buret (2), and on the inwall of buret (2) Close to zero groove (26) place set contact switch (24), the buoyancy circle (23) can with the lifting of buret (2) interior liquid level and Float or move down, the contact switch (24) can control drive mechanism to be stopped.
A kind of 2. titration outfit according to claim 1, it is characterised in that:The drive mechanism includes being vertically arranged in storage Hollow guide pillar (8) on liquid case (4) roof, the bottom wall of the lower end of the guide pillar (8) not with liquid reserve tank (4) contact;It is described to lead Elastic component (81) is arranged with post (8), described elastic component (81) one end is fixed on the roof of liquid reserve tank (4), and the other end is fixed On the piston (43), the elastic component (81) is in relaxed state during original state;Drawing is connected with the piston (43) Restrict (7), the drawstring (7) is stretched out after the length of guide pillar (8) from the roof of liquid reserve tank (4), the roof of the liquid reserve tank (4) Pulley (71) is provided with, the one end of the drawstring (7) away from piston (43) is provided with the pull-push piece for providing push-pull effort;It is described Drawstring (7) is fixedly connected with the pull-push piece afterwards around pulley (71).
A kind of 3. titration outfit according to claim 2, it is characterised in that:The pull-push piece is cylinder (6), the drawstring (7) movable end with cylinder (6) is fixedly connected.
A kind of 4. titration outfit according to claim 1, it is characterised in that:The liquid reserve tank (4) is provided with two groups, one The buret (2) of liquid reserve tank (4) bottom is acid buret (21), the buret (2) of another liquid reserve tank (4) bottom For base buret (22).
A kind of 5. titration outfit according to claim 1, it is characterised in that:Water tank is additionally provided with the mounting bracket (12) (5), it is provided with the top of the water tank (5) and adds the mouth of a river (51);Each buret (2) is equal close to one end of liquid reserve tank (4) Branch pipe (25) is provided with, flexible pipe (52) is arranged with the branch pipe (25), the flexible pipe (52) is connected with water tank (5), and institute The connectivity part for stating branch pipe (25) and buret (2) is located at the top of zero groove (26) on buret (2);Each flexible pipe (52) On be provided with control piece.
A kind of 6. titration outfit according to claim 5, it is characterised in that:The control piece is hose clamp(521).
A kind of 7. titration outfit according to claim 1, it is characterised in that:The liquid reserve tank (4) and the side wall of water tank (5) On be provided with transparent windows (44).
A kind of 8. titration outfit according to claim 1, it is characterised in that:The filling opening (41) and add the mouth of a river (51) place It is provided with capping (9).
CN201720972832.9U 2017-08-04 2017-08-04 A kind of titration outfit Expired - Fee Related CN207056595U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720972832.9U CN207056595U (en) 2017-08-04 2017-08-04 A kind of titration outfit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720972832.9U CN207056595U (en) 2017-08-04 2017-08-04 A kind of titration outfit

Publications (1)

Publication Number Publication Date
CN207056595U true CN207056595U (en) 2018-03-02

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CN201720972832.9U Expired - Fee Related CN207056595U (en) 2017-08-04 2017-08-04 A kind of titration outfit

Country Status (1)

Country Link
CN (1) CN207056595U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111097330A (en) * 2020-02-17 2020-05-05 邵阳学院 Experimental apparatus for pharmacology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111097330A (en) * 2020-02-17 2020-05-05 邵阳学院 Experimental apparatus for pharmacology

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GR01 Patent grant
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CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 214063 Jiangsu Province, Wuxi City Binhu District No. 280 Xinyuan Zhou Lixin building 11 layer

Patentee after: WUXI HYDROLOGICAL ENGINEERING GEOLOGICAL SURVEY INSTITUTE CO.,LTD.

Address before: 214063 Jiangsu city of Wuxi province Qian Rong Lu No. 10

Patentee before: WUXI HYDROLOGY ENGINEERING GEOLOGICAL EXPLORATION INSTITUTE

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180302

Termination date: 20210804