CN219111678U - Special bracket for taking standard solution - Google Patents

Abstract

The utility model discloses a special bracket for taking standard solution, which comprises the following components: the device comprises a base, a gasket, a first fixer, a fixing bolt, a first connecting rod, a spring clip, a first limiting ring, a second fixer, a second connecting rod, a first fixing ring, a second limiting ring, a third fixer, a third connecting rod, a second fixing ring and a stand column; the center of the base is provided with a groove; the gasket is arranged in the groove of the base; the first limiting ring and the second limiting ring are sleeved on the upright post; the first fixer is sleeved on the upright post and can move between the base and the first limiting ring; the second fixer is sleeved on the upright post and can move between the first limiting ring and the second limiting ring; the third fixer is sleeved on the upright post and can move between the second limiting ring and the top of the upright post. The special bracket can adjust the position of the pipette according to the size of the reagent bottle so as to realize the fixation of the reagent bottle and accurately take the standard solution at the same time, thereby improving the accuracy and the reliability of experiments.

Description

Special bracket for taking standard solution

Technical Field

The utility model belongs to the technical field of laboratory detection and analysis, and particularly relates to a special bracket for taking standard solution.

Background

In chemical analysis experiments, standard solutions with accurate fixed values are often required to be used for qualitative or quantitative analysis, ampoule bottles are often used for packaging the standard solutions on the market at present, the standard solutions cannot be sealed again after being opened, the standard solutions are required to be used in a short time, two persons are matched for taking the standard solutions at present, one person holds the reagent bottles, and one person holds a pipette to extract the standard solutions, and because the ampoule bottles are usually small in volume and long and thin in shape, when the ampoule bottles are not enough to be operated by one person, the reagent bottles are very easy to topple over due to misoperation in the taking process, so that the experiment is failed, even the environment is polluted, and related equipment is corroded.

At present, no special bracket for taking the standard solution exists in the market, so that special equipment for taking the standard solution is needed, manpower is saved, reagent bottles can be effectively prevented from pouring when the solution is taken, and the accuracy of an experiment is improved.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the special bracket capable of fixing the ampoule bottle containing the standard solution, and simultaneously adjusting the position of the pipette according to the size of the reagent bottle so as to realize the fixing of the reagent bottle and accurately taking the standard solution at the same time, thereby improving the accuracy and the reliability of experiments.

The utility model provides a special bracket for taking standard solution, which comprises the following technical scheme: the device comprises a base 10, a gasket 20, a first fixing part 30, a second fixing part 40, a third fixing part 50 and a stand column 60;

the first fixing part 30 comprises a first fixer 31, a first fixing bolt 32, a first connecting rod 33, a spring clip 34 and a first limiting ring 35;

the second fixing part 40 comprises a second fixer 41, a second fixing bolt 42, a second connecting rod 43, a first fixing ring 44 and a second limiting ring 45;

the third fixing part 50 comprises a third fixer 51, a third fixing bolt 52, a third connecting rod 53 and a second fixing ring 54;

the base 10 is arranged at the bottom of a special bracket for taking standard solution, and a groove is arranged at the center of the base;

the gasket 20 is arranged in the groove of the base 10;

the upright 60 is in threaded connection with the base 10 and is positioned on one side of the base 10;

the first limiting ring 35 and the second limiting ring 45 are sleeved on the upright post 60;

the first fixing device 31 is sleeved on the upright post 60 and can move between the base 10 and the first limiting ring 35, one side of the first fixing device is provided with a threaded hole, and the first fixing device is in threaded connection with the first fixing bolt 32;

one end of the first connecting rod 33 is connected with the first fixer 31, and the other end is connected with the spring clip 34;

the second fixing device 41 is sleeved on the upright post 60 and can move between the first limiting ring 35 and the second limiting ring 45, one side of the second fixing device is provided with a threaded hole, and the second fixing device is in threaded connection with the second fixing bolt 42;

one end of the second connecting rod 43 is connected with the first fixing ring 44, and the other end is connected with the second fixer 41;

the third fixing device 51 is sleeved on the upright post 60, and can move between the second limiting ring 45 and the top of the upright post 60, and one side of the third fixing device is provided with a threaded hole which is in threaded connection with the third fixing bolt 52;

one end of the third connecting rod 53 is connected with the second fixing ring 54, and the other end is connected with the third fixing device 51;

the second retaining ring 54 has a larger diameter than the first retaining ring 44;

the first holder 31, the second holder 41 and the third holder 51 are hollow structures, and are identical in size and structure.

Through the scheme, the utility model has the following beneficial effects:

1. the ampoule bottles with various specifications and sizes can be effectively fixed, and experimental failure caused by reagent bottle pouring due to misoperation of experimental staff is prevented;

2. the device can fix the pipette, ensure that the pipette is always upright in the use process, and improve the accuracy of experiments;

3. the standard solution can be accurately taken by one tester by using the device, so that the labor is saved, and the experimental efficiency is greatly improved;

4. the device has the advantages of simple structure, low cost, high reliability and simple and easy operation.

Drawings

FIG. 1 is a side view of the utility model;

FIG. 2 is a side view of an embodiment of the utility model;

the patent of the utility model consists of the following parts: 10-base, 20-gasket, 30-first fixed part, 31-first fixer, 32-first fixing bolt, 33-first connecting rod, 34-spring clip, 35-first spacing ring, 40-second fixed part, 41-second fixer, 42-second fixing bolt, 43-second connecting rod, 44-first fixing ring, 45-second spacing ring, 50-third fixed part, 51-third fixer, 52-third fixing bolt, 53-third connecting rod, 54-second fixing ring, 60-stand.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.

As shown in fig. 1 and 2, the base 10 is located at the bottom of a special bracket for taking standard solution, is square or round, and has a certain weight, so that the center of gravity of the whole device is located at the bottom, the base 10 is in threaded connection with the upright post 60, a groove is formed in the center of the base 10, the gasket 20 is used for placing the gasket 20, the gasket 20 is made of polyethylene, and the gasket is replaceable, so that the anti-slip effect is achieved, and meanwhile, corrosion to the base due to solution dripping is prevented.

The lower part of the upright post 60 is sleeved with a first fixing device 31, the first fixing device 31 is of a hollow structure and sleeved on the upright post 60, the first fixing device 31 can move up and down along the upright post 60 within a certain range, one side of the first fixing device 31, which is opposite to the center of the base 10, is provided with a threaded hole, a first fixing bolt 32 is inserted into the threaded hole, the first fixing bolt 32 is screwed, the first fixing device 31 can be fixed at a certain position on the upright post 60, and after the first fixing bolt 32 is unscrewed, the first fixing device 31 can move up and down. The first fixing device 31 is connected with the first connecting rod 33 at one side facing the center of the base 10, the head of the first connecting rod 33 is connected with the spring clamp 34, and the spring clamp 34 can adjust the opening and closing angles in a certain range so as to adapt to ampoule bottles with different specifications.

Above the first retainer 31 is a first stop collar 35 for limiting the movement range of the first retainer 31, the first retainer 31 can only move between the base 10 and the first stop collar 35, above the first stop collar 35 is mounted a second retainer 41, the second retainer 41 has the same size structure as the first retainer 31 and is also fixed on the upright 60 through a second fixing bolt 42, the second retainer 41 is connected with a first fixing collar 44 through a second connecting rod 43, the diameter of the first fixing collar 44 can allow the front pipe body of the pipette to pass through, but can not allow the ball part (middle expansion part) of the pipette to pass through, a second stop collar 45 is mounted above the second retainer 41, the second retainer 41 can only move between the positions of the first stop collar 35 and the second stop collar 45, the third retainer 51 is mounted above the second stop collar 45, the second retainer 41 has the same structure as the second retainer 41, is fixed on the upright 60 through a third fixing bolt 52, the second fixing collar 54 is connected with the third connecting rod 53, and the diameter of the second fixing collar 54 can not allow the ball part (middle expansion part) of the pipette to pass through.

The working mode of the device is as follows: after the tip of the ampoule bottle is opened, the tip of the ampoule bottle is placed at the center of the gasket 20, the first fixer 31 is adjusted up and down to be consistent with the height of the position of the ampoule bottle body, the opening and closing angle of the spring clip 34 is adjusted to fasten the ampoule bottle to fix the ampoule bottle, the position of the second fixer 41 is adjusted to enable the first fixing ring 44 to be close to the upper part of the ampoule bottle mouth, the pipette passes through the second fixing ring 54 and the first fixing ring 44, the position of the third fixer 51 is adjusted to enable the second fixing ring 54 to fix and sleeve the rear part of the pipette, the front end of the pipette extends into the ampoule bottle at the moment to absorb the standard solution with required consumption, and the pipette is taken out vertically after the operation is completed to carry out subsequent experiments.

The foregoing is merely an example of the present utility model, and the specific structures and features of common knowledge known in the art are not described herein too much, so that those skilled in the art will readily understand that the scope of the present utility model is not limited to such specific embodiments. Variations and modifications can be made without departing from the scope of the utility model, which is to be considered as limited to the details of construction and the utility of the patent.

Claims (1)

1. A special bracket for taking standard solution, which is characterized by comprising: a base (10), a spacer (20), a first fixing portion (30), a second fixing portion (40), a third fixing portion (50), and a column (60);

the first fixing part (30) comprises a first fixer (31), a first fixing bolt (32), a first connecting rod (33), a spring clip (34) and a first limiting ring (35);

the second fixing part (40) comprises a second fixer (41), a second fixing bolt (42), a second connecting rod (43), a first fixing ring (44) and a second limiting ring (45);

the third fixing part (50) comprises a third fixer (51), a third fixing bolt (52), a third connecting rod (53) and a second fixing ring (54);

the base (10) is arranged at the bottom of the special bracket for taking the standard solution, and a groove is formed in the center of the base;

the gasket (20) is arranged in the groove of the base (10);

the upright post (60) is in threaded connection with the base (10) and is positioned on one side of the base (10);

the first limiting ring (35) and the second limiting ring (45) are sleeved on the upright post (60);

the first fixer (31) is sleeved on the upright post (60) and can move between the base (10) and the first limiting ring (35), one side of the first fixer is provided with a threaded hole, and the first fixer is in threaded connection with the first fixing bolt (32);

one end of the first connecting rod (33) is connected with the first fixer (31), and the other end is connected with the spring clip (34);

the second fixer (41) is sleeved on the upright post (60) and can move between the first limiting ring (35) and the second limiting ring (45), one side of the second fixer is provided with a threaded hole, and the second fixer is in threaded connection with the second fixing bolt (42);

one end of the second connecting rod (43) is connected with the first fixing ring (44), and the other end of the second connecting rod is connected with the second fixer (41);

the third fixing device (51) is sleeved on the upright post (60) and can move between the second limiting ring (45) and the top of the upright post (60), one side of the third fixing device is provided with a threaded hole, and the third fixing device is in threaded connection with the third fixing bolt (52);

one end of the third connecting rod (53) is connected with the second fixing ring (54), and the other end of the third connecting rod is connected with the third fixer (51);

-the second fixing ring (54) has a larger diameter than the first fixing ring (44);

the first fixer (31), the second fixer (41) and the third fixer (51) are hollow structures, and the sizes and the structures are identical.

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