CN215727958U

CN215727958U - Multifunctional burette

Info

Publication number: CN215727958U
Application number: CN202121705287.XU
Authority: CN
Inventors: 严彬
Original assignee: Jiangsu Chengrui Safety Technology Consulting Co ltd
Current assignee: Jiangsu Chengrui Safety Technology Consulting Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-02-01
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a multifunctional burette, relates to the technical field of burettes, and aims to solve the problems that the existing burette in the prior art is simple in structure, single in function and inconvenient to use. The inside of being responsible for is provided with the piston, and the piston with be responsible for sliding connection, the pull rod is installed to the top of piston, and pull rod and piston fixed connection, the pull head is installed to the top of pull rod, and pull head and pull rod fixed connection, one side of being responsible for is provided with the auxiliary pipe, and the auxiliary pipe sets up structure as an organic whole with being responsible for, the below of being responsible for is provided with first compression pipe, and first compression pipe sets up structure as an organic whole with being responsible for, the below of first compression pipe is provided with the straight-flow pipe, and the straight-flow pipe sets up structure as an organic whole with first compression pipe.

Description

Multifunctional burette

Technical Field

The utility model relates to the technical field of burettes, in particular to a multifunctional burette.

Background

The burette is the main measuring apparatus used in the titration analysis method, and can be divided into two types: one is acid burette, the other is basic burette, the lower end of the acid burette is provided with a glass piston, acid or oxidizing titration liquid can be filled, and basic titration liquid can not be filled, because the basic titration liquid can lead the piston to be bonded with the piston sleeve and is difficult to rotate, the basic burette is used for containing the basic titration liquid, the lower end of the basic burette is connected with a rubber tube, glass beads are placed in the rubber tube to control the outflow of the solution, and the lower end of the rubber tube is connected with a sharp-mouth glass tube. All solutions capable of reacting with rubber tubes, such as potassium permanganate, iodine and the like, cannot be filled into the basic burette

The structure of the prior burette is still very single, the main body of the burette is a glass tube, but the burette is required to be cleaned after being used, and the common burette has simple structure, can not pressurize the interior of the burette, so that pollutants are easy to accumulate at the position of a titration valve, and the burette is required to be cleaned by other equipment and is inconvenient to use; therefore, the market is urgently needed to develop a multifunctional burette to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional burette, which solves the problems of simple structure, single function and inconvenient use of the prior burette in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multifunctional burette, includes and is responsible for, the inside of being responsible for is provided with the piston, and piston and the person in charge sliding connection, the pull rod is installed to the top of piston, and pull rod and piston fixed connection, the pull head is installed to the top of pull rod, and pull head and pull rod fixed connection.

Preferably, one side of being responsible for is provided with the auxiliary pipe, and the auxiliary pipe sets up structure as an organic whole with being responsible for, the below of being responsible for is provided with first compression pipe, and just first compression pipe sets up structure as an organic whole with being responsible for, the below of first compression pipe is provided with the straight flow pipe, and just the straight flow pipe sets up structure as an organic whole with first compression pipe.

Preferably, the below of direct current pipe is provided with titrates the valve, and titrates the valve and set up structure as an organic whole with the direct current pipe, the below of titrating the valve is provided with the second compression pipe, and the second compression pipe sets up structure as an organic whole with titrating the valve, the below of second compression pipe is provided with the drain pipe, and drain pipe and second compression pipe set up structure as an organic whole.

Preferably, the internally mounted of titrating the valve has the threaded pin, and threaded pin and titrate valve threaded connection, one side of threaded pin is provided with even leg, and even leg and threaded pin set up as an organic whole structure.

Preferably, one side of linking the leg is provided with the hand wheel, and the hand wheel sets up structure as an organic whole with linking the leg, the sealed lid is installed to one side of titrating the valve, and sealed lid and titrate valve threaded connection.

Preferably, the pipe cover is installed above the main pipe, is in threaded connection with the main pipe, and is in sliding connection with the pull rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model discloses a setting through the piston, the inside of being responsible for sets up the piston, piston accessible pull rod orders about and slides from top to bottom, thereby change this buret into the buret that can inject and extract, when needs clean buret, the motion that does not stop through the piston extracts the inside of being responsible for with the sanitizer from the drain pipe of bottom, thereby play supplementary clear effect, and when titrating the during operation, also can pressurize the inside liquid of being responsible for through descending of piston, play supplementary pressurized effect, thereby make this buret function more numerous and diverse, it is more convenient to use, it is simpler to clean.

2. The utility model discloses a through the setting of screw thread round pin, screw thread round pin and titration valve threaded connection, when the inside liquid of person in charge is being responsible for in the release, through rotatory screw thread round pin, can release pressure gradually to the realization is to the accurate control of pressure when titrating, thereby can the volume of accurate control titration, thereby make this buret use more reliable, experimental data is more accurate.

Drawings

FIG. 1 is a front view of a multi-functional burette of the present invention;

FIG. 2 is a cross-sectional view of a titration valve of the present invention;

fig. 3 is an enlarged schematic view of the utility model at a.

In the figure: 1. a main pipe; 2. a secondary pipe; 3. a pull rod; 4. a slider; 5. a first compression tube; 6. a DC pipe; 7. a titration valve; 8. a second compression tube; 9. a liquid outlet pipe; 10. a threaded pin; 11. connecting legs; 12. a hand wheel; 13. a sealing cover; 14. a tube cover; 15. a piston; 16. a graduated scale.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a multifunctional burette, is including being responsible for 1, is responsible for the inside of 1 and is provided with piston 15, piston 15 and be responsible for 1 sliding connection, and pull rod 3 is installed to the top of piston 15, and pull rod 3 and piston 15 fixed connection, pull head 4 is installed to the top of pull rod 3, and pull head 4 and pull rod 3 fixed connection.

Further, one side of the main pipe 1 is provided with the secondary pipe 2, the secondary pipe 2 and the main pipe 1 are arranged into an integrated structure, the lower part of the main pipe 1 is provided with the first compression pipe 5, the first compression pipe 5 and the main pipe 1 are arranged into an integrated structure, the lower part of the first compression pipe 5 is provided with the direct current pipe 6, the direct current pipe 6 and the first compression pipe 5 are arranged into an integrated structure, the secondary pipe 2 and the main pipe 1 are communicated, the length of the pull rod 3 is longer than that of the main pipe 1, and the common piston 15 is arranged above a connecting port between the secondary pipe 2 and the main pipe 1.

Further, the below of straight flow pipe 6 is provided with titration valve 7, titration valve 7 sets up structure as an organic whole with straight flow pipe 6, and the below of titration valve 7 is provided with second compression pipe 8, and second compression pipe 8 sets up structure as an organic whole with titration valve 7, and the below of second compression pipe 8 is provided with drain pipe 9, and drain pipe 9 sets up structure as an organic whole with second compression pipe 8, and the diameter of drain pipe 9 is minimum, discharges liquid with the form of water droplet.

Further, the interior of the titration valve 7 is provided with a threaded pin 10, the threaded pin 10 is in threaded connection with the titration valve 7, one side of the threaded pin 10 is provided with a connecting leg 11, the connecting leg 11 and the threaded pin 10 are arranged into an integral structure, the threaded pin 10 is a cone-like body, and pressure can be gradually released.

Further, a hand wheel 12 is arranged on one side of the connecting leg 11, the hand wheel 12 and the connecting leg 11 are arranged to be of an integrated structure, a sealing cover 13 is installed on one side of the titration valve 7, the sealing cover 13 is in threaded connection with the titration valve 7, a ventilating through hole is designed in the position of the sealing cover 13 and inside the titration valve 7, the sealing cover 13 is in a normally closed state, and when the titration valve 7 needs to be cleaned, the sealing cover 13 needs to be taken down.

Further, install tube cap 14 above being responsible for 1, tube cap 14 and being responsible for 1 threaded connection, tube cap 14 and pull rod 3 sliding connection are provided with scale 16 on being responsible for the preceding terminal surface of 1, and scale 16 sets up as an organic whole structure with being responsible for 1.

The working principle is as follows: when the device is used, a solution to be titrated is poured into the main pipe 1 through the auxiliary pipe 2, the main pipe 1 is fixed through the storage rack, a beaker is placed below the liquid outlet pipe 9, the hand wheel 12 is rotated, the hand wheel 12 rotates the threaded pin 10 through the connecting leg 11, so that the threaded pin 10 moves towards the outer side of the titration valve 7, the interior of the titration valve 7 is smooth, the solution in the main pipe 1 is compressed through the first compression pipe 5, the volume of the solution is reduced, the flow speed is increased, the solution enters the titration valve 7 through the straight-flow pipe 6 and then enters the second compression pipe 8 for secondary compression, the volume of the solution is smaller, the solution forms a water drop shape, the solution is discharged through the liquid outlet pipe 9, when the solution in the main pipe 1 needs to be pressurized, the pull head 4 is pressed, the pull head 4 presses the piston 15 through the pull rod 3, the piston 15 moves downwards to pressurize the solution, and the pressure in the main pipe 1 is increased, improve the play liquid speed of drain pipe 9, but scale 16 real-time observation solution flow, when the clean buret of needs, extract the inside of being responsible for from the drain pipe 9 of bottom through the motion that piston 15 does not stop with the sanitizer, then extrude the inside liquid of being responsible for 1 from drain pipe 9 again, so relapse to play the effect of clean buret.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multi-functional buret, includes and is responsible for (1), its characterized in that: be provided with piston (15) in the inside of being responsible for (1), and piston (15) and being responsible for (1) sliding connection, pull rod (3) are installed to the top of piston (15), and pull rod (3) and piston (15) fixed connection, pull head (4) are installed to the top of pull rod (3), and pull head (4) and pull rod (3) fixed connection.

2. The multifunctional burette of claim 1, wherein: be responsible for one side of (1) and be provided with auxiliary pipe (2), and auxiliary pipe (2) and be responsible for (1) and set up as an organic whole structure, the below of being responsible for (1) is provided with first compression pipe (5), and first compression pipe (5) and be responsible for (1) and set up as an organic whole structure, the below of first compression pipe (5) is provided with straight flow pipe (6), and straight flow pipe (6) and first compression pipe (5) set up as an organic whole structure.

3. The multifunctional burette of claim 2, wherein: the below of direct current pipe (6) is provided with titrates valve (7), and titrates valve (7) and direct current pipe (6) and set up structure as an organic whole, the below of titrating valve (7) is provided with second compression pipe (8), and second compression pipe (8) and titrate valve (7) and set up structure as an organic whole, the below of second compression pipe (8) is provided with drain pipe (9), and drain pipe (9) and second compression pipe (8) set up structure as an organic whole.

4. A multi-functional burette as claimed in claim 3, wherein: titration valve's (7) internally mounted has threaded pin (10), and threaded pin (10) and titration valve (7) threaded connection, one side of threaded pin (10) is provided with even leg (11), and links leg (11) and threaded pin (10) and set up as an organic whole structure.

5. The multifunctional burette of claim 4, wherein: even one side of leg (11) is provided with hand wheel (12), and hand wheel (12) set up structure as an organic whole with even leg (11), sealed lid (13) are installed to one side of titrating valve (7), and sealed lid (13) and titrate valve (7) threaded connection.

6. The multifunctional burette of claim 1, wherein: be responsible for the top of (1) and install tube cap (14), and tube cap (14) and be responsible for (1) threaded connection, tube cap (14) and pull rod (3) sliding connection.