CN205066860U - Higher graduated flask of accuracy - Google Patents

Abstract

The utility model provides a measuring cylinder with high precision, which includes a liquid outlet groove, a measuring cylinder main body, a scale line, a base, a liquid inlet, a fixed rod, a magnetic flap liquid level gauge and a connecting pipe, and the liquid inlet is fixed On the top of the main body of the measuring cylinder, a liquid outlet groove is arranged on the top right side of the liquid inlet. The main body of the measuring cylinder is installed on the base, and the outer wall of the main body of the measuring cylinder is provided with a scale line. The main body of the measuring cylinder is fixedly connected by a fixing rod, and the bottom of the magnetic flap liquid level gauge is connected with the lower end of the outer wall of the main body of the measuring cylinder through a communication pipe. The utility model has a simple and reasonable structure, is economical and practical, and is convenient to use. The scale line on the main body of the measuring cylinder is used in conjunction with the magnetic flap liquid level gauge to effectively improve the measurement error and the measurement accuracy.

Description

A high-precision measuring cylinder

technical field

The utility model belongs to the technical field of measuring cylinders, in particular to a measuring cylinder with high precision.

Background technique

At present, in the practical exploration activities of students using graduated cylinders for volume measurement, on the one hand, when using traditional graduated cylinders for volume measurement, in many experiments, due to the large division value of traditional graduated cylinders, the measurement error is relatively large, especially in the measurement of density. Due to the large difference between the measured density value and the actual value caused by the volume measurement error, the experimental data is not convincing; on the other hand, in order to solve the above problems, there is a high-precision measuring cylinder composed of main and auxiliary cylinders that has not been popularized at this stage. The main and auxiliary cylinders of the measuring cylinder are connected by soft conduits. During use, the movement of the auxiliary cylinders is likely to cause deformation of the conduits, resulting in changes in the inner diameter of the conduits and affecting its accuracy; at the same time, the movement stability of the secondary cylinders of the measuring cylinder is difficult to control , Inconvenient to operate.

Utility model content

The purpose of this utility model is to provide a measuring cylinder with high precision to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model is realized through the following technical scheme: a measuring cylinder with high precision, including a liquid outlet groove, a measuring cylinder main body, a scale line, a base, a liquid inlet, a fixed rod, and a magnetic flap A liquid level gauge and a connecting pipe, the liquid inlet is fixed on the top of the measuring cylinder body, and the top of the right side of the liquid inlet is provided with a liquid outlet groove, the measuring cylinder body is installed on the base, and the outer wall of the measuring cylinder body is provided There is a scale line, the magnetic flap liquid level gauge is fixedly connected with the main body of the measuring cylinder through a fixed rod, and the bottom of the magnetic flap liquid level gauge is connected with the lower end of the outer wall of the measuring cylinder main body through a communication pipe.

Preferably, the liquid inlet is an inverted frustum-shaped structure.

Preferably, the graduation value of the magnetic flap liquid level gauge is the same as the graduation value of the measuring cylinder main body.

Preferably, the right side of the communication pipe is installed on the outer wall of the measuring cylinder body directly opposite to the liquid outlet groove.

Beneficial effects of the utility model: the measuring cylinder with high precision has a simple and reasonable structure, is economical and practical, and is easy to use. The scale line on the main body of the measuring cylinder and the magnetic flap liquid level gauge can be used in conjunction to effectively improve the measurement error. To improve the accuracy of measurement, the liquid inlet adopts an inverted truncated structure, which is beneficial to prevent the liquid from spilling out of the measuring cylinder when pouring liquid into the vector cylinder. The right side of the connecting pipe is installed on the outer wall of the measuring cylinder body directly opposite the liquid outlet groove. It can effectively ensure that all the liquid in the connecting pipe is poured out.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1. Liquid outlet groove, 2. Measuring cylinder main body, 3. Graduation line, 4. Base, 5. Liquid inlet, 6. Fixed rod, 7. Magnetic flap liquid level gauge, 8. Connecting pipe.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1, the utility model provides a technical solution: a measuring cylinder with high precision, including a liquid outlet groove 1, a measuring cylinder body 2, a scale line 3, a base 4, a liquid inlet 5, a fixed rod 6, The magnetic flap liquid level gauge 7 and the connecting pipe 8, the liquid inlet 5 is an inverted truncated structure, the liquid inlet 5 is fixed on the top of the measuring cylinder main body 2, and the top of the right side of the liquid inlet 5 is provided with a liquid outlet groove 1 , the measuring cylinder main body 2 is installed on the base 4, and the outer wall of the measuring cylinder main body 2 is provided with a scale mark 3, the magnetic flap liquid level gauge 7 is fixedly connected with the measuring cylinder main body 2 through the fixed rod 6, and the magnetic flap liquid level gauge 7 The bottom and the lower end of the outer wall of the measuring cylinder main body 2 are connected by a connecting pipe 8, and the right side of the connecting pipe 8 is installed on the outer wall of the measuring cylinder main body 2 directly opposite the outlet groove 1, and the graduation value of the magnetic flap liquid level gauge 7 is the same as that of the measuring cylinder main body 2. The graduations of the graduated cylinder body 2 are the same.

Working principle: when in use, pour the liquid to be measured into the main body 2 of the measuring cylinder through the liquid inlet 5, so that the height of the liquid in the main body 2 of the measuring cylinder is consistent with the height of the liquid on the magnetic flap liquid level gauge 7, and read its Just show the number.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (4)

1. the graduated cylinder that a degree of accuracy is higher, comprise fluid groove (1), graduated cylinder main body (2), scale mark (3), base (4), inlet (5), fixed bar (6), magnetic flap level gauge (7) and communicating pipe (8), it is characterized in that: described inlet (5) is fixed on the top of graduated cylinder main body (2), and the right hand top of inlet (5) is provided with fluid groove (1), described graduated cylinder main body (2) is arranged on base (4), and the outer wall of graduated cylinder main body (2) is provided with scale mark (3), described magnetic flap level gauge (7) is fixedly connected with by fixed bar (6) with graduated cylinder main body (2), and the bottom of magnetic flap level gauge (7) is passed through to be connected communicating pipe (8) with the outer wall lower end of graduated cylinder main body (2).

2. the graduated cylinder that a kind of degree of accuracy according to claim 1 is higher, is characterized in that: described inlet (5) is reverse frustoconic structure.

3. the graduated cylinder that a kind of degree of accuracy according to claim 1 is higher, is characterized in that: the scale division value of described magnetic flap level gauge (7) is identical with the scale division value of graduated cylinder main body (2).

4. the graduated cylinder that a kind of degree of accuracy according to claim 1 is higher, is characterized in that: the right side of described communicating pipe (8) is arranged on the outer wall of graduated cylinder main body (2) of the right opposite of fluid groove (1).