CN219475521U

CN219475521U - Titration bottle for weighing titration method

Info

Publication number: CN219475521U
Application number: CN202320644651.9U
Authority: CN
Inventors: 郭佩华; 申俊峰
Original assignee: Hebei Hengyi Lianhua Testing Technology Co ltd
Current assignee: Hebei Hengyi Lianhua Testing Technology Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-08-04
Anticipated expiration: 2033-03-29

Abstract

The utility model belongs to the technical field of weighing titration, and particularly relates to a titration bottle for a weighing titration method, which comprises a titration bottle body and a capillary dropper, wherein a connecting cover is arranged at the top of the titration bottle body, a rubber sealing ring is connected between the titration bottle body and the connecting cover, the capillary dropper is fixedly arranged in the middle of the top end of the connecting cover, a positioning assembly is arranged in the top end of the titration bottle body, a plugging leakage-proof assembly penetrates through the positioning assembly, elastic steel bars are arranged at the left side and the right side of the bottom of the plugging leakage-proof assembly, and rubber blocks are connected to the other ends of the elastic steel bars. Compared with a common titration bottle, the length of the capillary dropper of the titration bottle is longer, so that the solution can be conveniently observed and titrated under control, and the sealing performance between the bottle body and the connecting cover of the titration bottle can be improved due to the arrangement of the rubber sealing ring.

Description

Titration bottle for weighing titration method

Technical Field

The utility model belongs to the technical field of weighing titration, and particularly relates to a titration bottle for a weighing titration method.

Background

Titration refers to a quantitative analysis means and is also a chemical experimental operation. It determines the content of a certain solute by quantitative reaction of two solutions. The method is characterized in that the titration end point is indicated according to the color change of an indicator, and then the consumption volume of a standard solution is visually detected, so that the analysis result is calculated.

In the process of titration, a titration bottle is needed, and is mainly used for storing operation solution or reference solution, but the current common titration bottle on the market has shorter dropper length, does not have the function of blocking and preventing leakage, and is easy to cause leakage and excessive addition of the reference solution. Therefore, there is an urgent need to improve the existing titration flask and provide a titration flask for weighing titration.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the titration bottle which is reasonable in design, simple in structure and has the function of blocking and preventing leakage, and is used for solving the problems that the dropper in the prior art is short in length, does not have the function of blocking and preventing leakage, and is easy to cause leakage and excessive addition of reference solution.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a weigh titration method and use titration flask, its includes titration flask body and capillary burette, the top of titration flask body is installed and is connected the lid, is connected with rubber seal between titration flask body and the connection lid, the fixed capillary burette that is provided with in top middle part of connecting the lid, titration flask body's top internally mounted has locating component, and locating component's inside runs through has shutoff leak protection subassembly, and the bottom left and right sides of shutoff leak protection subassembly all is equipped with the elasticity billet, and the other end of elasticity billet is connected with the rubber brick.

As a preferable implementation mode, the titration bottle body and the connecting cover are connected in a threaded mode, and the connecting cover and the rubber sealing ring are connected in an adhesive mode.

As a preferable implementation mode, a liquid outlet is formed in the connecting cover, and the diameter of the liquid outlet is gradually decreased from bottom to top.

As a preferred implementation mode, the positioning component comprises a supporting rod and a limiting ring, wherein the two supporting rods are respectively fixedly arranged on the left side and the right side of the limiting ring, and one end, away from the limiting ring, of each supporting rod is fixedly connected to the inner wall of the titration bottle body.

As a preferred implementation mode, the plugging and leakage-proof assembly comprises a movable rod, a fixed ball and a rubber sealing sleeve, wherein the fixed ball is embedded and installed at the top of the movable rod, and the rubber sealing sleeve is stuck and connected to the outer side of the upper end of the fixed ball.

As a preferred implementation mode, the connection mode of movable rod and spacing ring is sliding connection, two the one end that the elastic steel strip is close to each other is fixed in the bottom left and right sides of movable rod respectively, and the one end that the elastic steel strip kept away from the movable rod is inlayed with the rubber piece and is connected.

As a preferred embodiment, the rubber block is connected with the titration bottle body in a sticking way.

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

in the scheme of the utility model:

the middle parts of the left rubber block and the right rubber block are manually extruded, so that the elastic steel bars are pressed to deform, the movable bars are pushed to stably move downwards along the limiting rings, the rubber sealing sleeves on the outer sides of the fixed balls are far away from the connecting cover, the liquid outlet is smooth at the moment, titration can be carried out, and in the same way, after the rubber blocks are not extruded, the fixed balls reset to block the liquid outlet of the connecting cover again by using the rubber sealing sleeves, so that the effect of preventing solution leakage can be achieved;

the length of the capillary dropper of the titration bottle is longer than that of a common titration bottle, so that the solution can be conveniently observed and titrated under control, and the sealing performance between the titration bottle body and the connecting cover can be improved due to the arrangement of the rubber sealing ring.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and the following description will be made with reference to the drawings:

FIG. 1 is a schematic diagram of a three-dimensional front view structure of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic view showing the structure of the titration flask body and the connecting cover in a detached state;

FIG. 4 is a schematic diagram of the front view of the plugging leak-proof assembly of the present utility model.

In the figure:

1. titration bottle body; 2. a connection cover; 3. a rubber seal ring; 4. capillary droppers; 5. a positioning assembly; 51. a support rod; 52. a limiting ring; 6. plugging the leakage-proof component; 61. a movable rod; 62. a fixed ball; 63. a rubber sealing sleeve; 7. an elastic steel bar; 8. rubber blocks.

Detailed Description

The embodiments described below are only some of the embodiments of the present utility model and do not represent all embodiments consistent with the present utility model. Exemplary embodiments will now be described with reference to the accompanying drawings in which:

as shown in fig. 1-4, the titration bottle for the weighing titration method comprises a titration bottle body 1 and a capillary dropper 4, wherein a connecting cover 2 is arranged at the top of the titration bottle body 1, a rubber sealing ring 3 is connected between the titration bottle body 1 and the connecting cover 2, the sealing performance of the titration bottle body 1 and the connecting cover 2 can be improved by using the rubber sealing ring 3, the capillary dropper 4 is fixedly arranged in the middle of the top end of the connecting cover 2, a positioning assembly 5 is arranged in the top end of the titration bottle body 1, the lifting adjustment stability of a plugging leakage-proof assembly 6 can be improved under the action of the positioning assembly 5, the plugging leakage-proof assembly 6 penetrates through the inside of the positioning assembly 5, the titration bottle can have an anti-leakage function under the action of the plugging leakage-proof assembly 6, the left side and the right side of the bottom of the plugging leakage-proof assembly 6 are respectively provided with an elastic 7, and the other end of the elastic steel bar 7 is connected with a rubber block 8.

As a preferred embodiment, on the basis of the above-mentioned structure, further, the connection mode of the titration flask body 1 and the connection cover 2 is a threaded connection, the connection mode of the connection cover 2 and the rubber seal ring 3 is an adhesive connection, and the sealing property of the connection part of the connection cover 2 and the titration flask body 1 can be improved by the rubber seal ring 3 arranged on the inner side of the connection cover 2.

As a preferred embodiment, on the basis of the above structure, further, a liquid outlet is formed in the connecting cover 2, and the diameter of the liquid outlet is gradually decreased from bottom to top, so that the liquid outlet of the connecting cover 2 is conveniently plugged by the fixing ball 62.

As a preferred embodiment, on the basis of the above structure, the positioning assembly 5 further includes a support rod 51 and a stop collar 52, the two support rods 51 are respectively fixedly mounted on the left and right sides of the stop collar 52, one end of the support rod 51, which is far away from the stop collar 52, is fixedly connected to the inner wall of the titration bottle body 1, and the stable lifting adjustment of the movable rod 61 is facilitated by the setting of the stop collar 52.

As a preferred embodiment, on the basis of the above structure, the plugging and leakage-preventing assembly 6 further comprises a movable rod 61, a fixed ball 62 and a rubber sealing sleeve 63, the fixed ball 62 is embedded and mounted at the top of the movable rod 61, the rubber sealing sleeve 63 is stuck and connected to the outer side of the upper end of the fixed ball 62, and under the action of the plugging and leakage-preventing assembly 6, the titration bottle can have a leakage-preventing function.

In a preferred embodiment, based on the above structure, the movable rod 61 and the stop collar 52 are further connected in a sliding manner, the ends of the two elastic steel bars 7 close to each other are respectively fixed on the left and right sides of the bottom of the movable rod 61, the ends of the elastic steel bars 7 far from the movable rod 61 are connected with the rubber blocks 8 in an embedded manner, and the sliding of the movable rod 61 can be controlled by the elastic steel bars 7.

In the preferred embodiment, in addition to the above structure, the rubber block 8 is attached to the titration bottle body 1 by a bonding method, and the elastic steel bar 7 can be pressed by the rubber block 8 to control the movement of the movable bar 61.

The working principle of the utility model is as follows:

when the titration bottle is used, a reference solution for titration is firstly added into the titration bottle body 1, then the connecting cover 2 is arranged at the top of the titration bottle body 1 in a threaded manner, under the action of the rubber sealing ring 3, the tightness of the joint of the titration bottle body 1 and the connecting cover 2 can be ensured, in the titration process, the titration bottle is reversely held in the hand, then the left rubber block 8 and the right rubber block 8 are extruded, so that the elastic steel bar 7 is pressed and deformed, at the moment, the deformed elastic steel bar 7 can push the movable rod 61 to stably move downwards along the limiting ring 52, the rubber sealing sleeve 63 at the outer side of the fixed ball 62 is far away from the connecting cover 2, at the moment, the liquid outlet in the connecting cover 2 is smooth, the titration can be carried out, and the length of the capillary dropper 4 of the titration bottle is longer than that of a common titration bottle, and the solution is convenient to observe and control the titration;

after the titration is finished, the extrusion of the rubber block 8 is released, at the moment, the elastic steel bar 7 can drive the movable rod 61 to reset, so that the fixed ball 62 is reset, and the liquid outlet of the connecting cover 2 is plugged again by the rubber sealing sleeve 63, so that the effect of preventing the solution from leaking can be achieved.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model; all equivalent changes, modifications, substitutions and variations on the prior art by logic analysis, reasoning or limited experiments by those skilled in the art, based on the present inventive concept, shall be made within the scope of protection as defined by the claims.

Claims

1. The utility model provides a weigh titration method and use titration flask, includes titration flask body (1) and capillary burette (4), its characterized in that: the utility model discloses a titration bottle, including titration bottle body (1), connecting lid (2) are installed at the top of titration bottle body (1), are connected with rubber seal (3) between titration bottle body (1) and connecting lid (2), the top middle part of connecting lid (2) is fixed to be provided with capillary burette (4), the top internally mounted of titration bottle body (1) has locating component (5), and the inside of locating component (5) is run through there is shutoff leak protection subassembly (6), and the bottom left and right sides of shutoff leak protection subassembly (6) all is equipped with elastic steel strip (7), and the other end of elastic steel strip (7) is connected with rubber piece (8).

2. A titration flask for use in a weighing titration method according to claim 1, wherein: the titration bottle body (1) is connected with the connecting cover (2) in a threaded mode, and the connecting cover (2) is connected with the rubber sealing ring (3) in a sticking mode.

3. A titration flask for use in a weighing titration method as claimed in claim 2, wherein: the inside of the connecting cover (2) is provided with a liquid outlet, and the diameter of the liquid outlet is gradually decreased from bottom to top.

4. A titration flask for use in a weighing titration method according to claim 1, wherein: the positioning assembly (5) comprises a supporting rod (51) and a limiting ring (52), the two supporting rods (51) are respectively fixedly arranged on the left side and the right side of the limiting ring (52), and one end, away from the limiting ring (52), of each supporting rod (51) is fixedly connected to the inner wall of the titration bottle body (1).

5. A titration flask for use in a weighing titration method according to claim 1, wherein: the plugging leakage-proof assembly (6) comprises a movable rod (61), a fixed ball (62) and a rubber sealing sleeve (63), wherein the fixed ball (62) is embedded and installed at the top of the movable rod (61), and the rubber sealing sleeve (63) is stuck and connected to the outer side of the upper end of the fixed ball (62).

6. A titration flask for a weighing titration in accordance with claim 5 wherein: the movable rod (61) is connected with the limiting ring (52) in a sliding mode, one ends, close to each other, of the elastic steel bars (7) are respectively fixed on the left side and the right side of the bottom of the movable rod (61), and one ends, far away from the movable rod (61), of the elastic steel bars (7) are connected with the rubber blocks (8) in an embedded mode.

7. A titration flask for use in a weighing titration method according to claim 1, wherein: the rubber block (8) is connected with the titration bottle body (1) in a sticking way.