Conical flask facilitating accurate liquid taking

Abstract

The conical flask comprises a flask body, a quantitative liquid taking cylinder is arranged inside a flask opening of the flask body, a connecting assembly connected with the flask body is arranged on the quantitative liquid taking cylinder, a liquid inlet is formed in the bottom of the quantitative liquid taking cylinder, an upper fixing cover plate is fixedly connected to the top of the quantitative liquid taking cylinder, and a lower fixing cover plate is fixedly connected to the bottom of the upper fixing cover plate. The surface of the upper fixing cover plate is connected with an opening and closing assembly. According to the quantitative liquid taking device, the rotating block drives the rotating connecting shaft to rotate, so that the rotating connecting shaft drives the opening and closing plate to rotate, the opening and closing plate does not shield the liquid inlet any more, then the bottle body is inclined and vertically inverted, liquid enters the quantitative liquid taking barrel through the liquid inlet, and after the quantitative liquid taking barrel is filled with the liquid, the rotating block is rotated again, so that the quantitative liquid taking barrel is filled with the liquid. And the opening and closing plate shields the liquid inlet, then the sealing plug is taken down, liquid in the quantitative liquid taking cylinder is discharged through the liquid discharging pipe, and the effect of accurate and quantitative liquid taking is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of conical flasks, in particular to a conical flask which is convenient for accurate liquid collection. Background Art

[0002] In the laboratory, conical flasks are indispensable. Various liquids are contained in conical flasks. The required liquid needs to be taken out during the experiment. Since conical flasks are generally provided with scales, when it is necessary to take out the liquid quantitatively, some experimenters directly pour out the liquid. This method is difficult to pour out the required amount of liquid at one time. It is necessary to pour out repeatedly and observe the changes in the scale of the conical flask. The operation is cumbersome and it is easy to pour out too much liquid, resulting in waste of liquid. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and provides a conical flask which is convenient for accurate liquid taking.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a conical flask that is convenient for accurate liquid extraction, comprising a bottle body, a quantitative liquid extraction cylinder is arranged inside the bottle mouth of the bottle body, a connecting component connected to the bottle body is arranged on the quantitative liquid extraction cylinder, a liquid inlet is opened at the bottom of the quantitative liquid extraction cylinder, an upper fixed cover plate is fixedly connected to the top of the quantitative liquid extraction cylinder, and an opening and closing component is connected to the surface of the upper fixed cover plate.

[0005] As a further description of the above technical solution:

[0006] The connecting assembly comprises a fixed mounting ring fixedly connected to the outer surface of the quantitative liquid taking cylinder, a threaded connecting ring is fixedly connected to the lower surface of the fixed mounting ring, and the threaded connecting ring is threadedly connected to the bottle mouth of the bottle body.

[0007] As a further description of the above technical solution:

[0008] The opening and closing assembly includes a rotating connecting shaft that passes through the surface of the upper fixed cover plate, the rotating connecting shaft is rotatably connected to the upper fixed cover plate, one end of the rotating connecting shaft is fixedly connected to a rotating block, and the other end of the rotating connecting shaft is fixedly connected to an opening and closing plate.

[0009] As a further description of the above technical solution:

[0010] The opening and closing plate is provided with a notch corresponding to the liquid inlet, and the opening and closing plate is fitted with the inner bottom of the quantitative liquid taking cylinder.

[0011] As a further description of the above technical solution:

[0012] A drain pipe is fixedly connected to the upper surface of the upper fixed cover plate, and a sealing plug is embedded in the drain pipe.

[0013] As a further description of the above technical solution:

[0014] An embedding groove is provided on the outer surface of the quantitative liquid taking cylinder, a sealing ring is fixedly provided inside the embedding groove, and the sealing ring is fitted with the inner wall of the bottle mouth of the bottle body.

[0015] The utility model has the following beneficial effects:

[0016] Compared with the prior art, the conical flask, which is convenient for accurate liquid extraction, rotates the rotating connecting shaft through the rotating block, so that the rotating connecting shaft rotates the opening and closing plate, so that the opening and closing plate no longer blocks the liquid inlet, and then the bottle body is tilted and vertically inverted, and the liquid enters the interior of the quantitative liquid extraction cylinder through the liquid inlet. When the quantitative liquid extraction cylinder is filled with liquid, the rotating block is rotated again to make the opening and closing plate block the liquid inlet, and then the sealing plug is removed, and the liquid in the quantitative liquid extraction cylinder is discharged through the discharge pipe, thereby achieving the effect of accurate quantitative liquid extraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a conical flask for accurate liquid collection proposed by the utility model;

[0018] Figure 2 This is a cross-sectional view of a conical flask for accurate liquid collection proposed by the utility model;

[0019] Figure 3 This is a partial enlarged view of the A portion of a conical flask for accurate liquid collection proposed by the utility model;

[0020] Figure 4 This is a first-view diagram of a quantitative liquid extraction cylinder for a conical bottle that is convenient for accurate liquid extraction proposed by the utility model;

[0021] Figure 5 This is a second viewing angle diagram of a quantitative liquid extraction cylinder of a conical bottle that is convenient for accurate liquid extraction proposed by the utility model;

[0022] Figure 6 The utility model is a schematic diagram of an opening and closing plate of a conical flask which is convenient for accurate liquid extraction.

[0023] Legend:

[0024] 1. Bottle body; 2. Quantitative liquid taking cylinder; 3. Fixed mounting ring; 4. Threaded connecting ring; 5. Liquid inlet; 6. Upper fixed cover plate; 7. Rotating connecting shaft; 8. Rotating block; 9. Opening and closing plate; 10. Liquid discharge pipe; 11. Sealing plug; 12. Sealing ring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figures 1 to 6 The utility model provides a conical flask that is convenient for accurate liquid extraction: it comprises a bottle body 1, a quantitative liquid extraction cylinder 2 is arranged inside the bottle mouth of the bottle body 1, in actual use, the quantitative liquid extraction cylinder 2 can be designed into a variety of different specifications and volumes according to actual needs, and the corresponding quantitative liquid extraction cylinder 2 is used for the amount of liquid to be extracted, the outer surface of the quantitative liquid extraction cylinder 2 is provided with an embedding groove, and a sealing ring 12 is fixedly arranged inside the embedding groove, and the sealing ring 12 is fitted with the inner wall of the bottle mouth of the bottle body 1 to ensure the sealing between the bottle body 1 and the quantitative liquid extraction cylinder 2, and a connecting component connected with the bottle body 1 is arranged on the quantitative liquid extraction cylinder 2, and the connecting component comprises a fixed mounting ring 3 fixedly connected to the outer surface of the quantitative liquid extraction cylinder 2, and a threaded connecting ring 4 is fixedly connected to the lower surface of the fixed mounting ring 3, and the threaded connecting ring 4 is threadedly connected to the bottle mouth of the bottle body 1;

[0027] A liquid inlet 5 is provided at the bottom of the quantitative liquid taking cylinder 2, and an upper fixed cover plate 6 is fixedly connected to the top of the quantitative liquid taking cylinder 2. The upper fixed cover plate 6 is made of transparent material, which is convenient for observing the internal situation of the quantitative liquid taking cylinder 2. A discharge pipe 10 is fixedly connected to the upper surface of the upper fixed cover plate 6, and a sealing plug 11 is embedded in the interior of the discharge pipe 10. An opening and closing component is connected to the surface of the upper fixed cover plate 6, and the opening and closing component includes a rotating connecting shaft 7 that runs through the surface of the upper fixed cover plate 6, and the rotating connecting shaft 7 is rotatably connected to the upper fixed cover plate 6. One end of the rotating connecting shaft 7 is fixedly connected to a rotating block 8, and the other end of the rotating connecting shaft 7 is fixedly connected to an opening and closing plate 9. A notch corresponding to the liquid inlet 5 is provided on the opening and closing plate 9, and the opening and closing plate 9 fits the inner bottom of the quantitative liquid taking cylinder 2.

[0028] Working principle: when in use, set the amount of liquid to be taken, select the corresponding quantitative liquid taking cylinder 2, insert the quantitative liquid taking cylinder 2 into the bottle mouth of the bottle body 1, and then rotate the quantitative liquid taking cylinder 2 to connect the quantitative liquid taking cylinder 2 with the bottle body 1, and then rotate the rotating block 8, and the rotating connecting shaft 7 is rotated by the rotating block 8, so that the rotating connecting shaft 7 rotates with the opening and closing plate 9, so that the opening and closing plate 9 no longer blocks the liquid inlet 5, and then the bottle body 1 is tilted and inverted vertically, and the liquid enters the interior of the quantitative liquid taking cylinder 2 through the liquid inlet 5. When the quantitative liquid taking cylinder 2 is full of liquid, rotate the rotating block 8 again so that the opening and closing plate 9 blocks the liquid inlet 5, and then remove the sealing plug 11, and discharge the liquid in the quantitative liquid taking cylinder 2 through the discharge pipe 10 to achieve the effect of precise quantitative liquid taking.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A conical flask for accurate liquid collection, comprising a flask body (1), characterized in that: A quantitative liquid extraction cylinder (2) is arranged inside the bottle mouth of the bottle body (1); a connecting assembly connected to the bottle body (1) is arranged on the quantitative liquid extraction cylinder (2); a liquid inlet (5) is provided at the bottom of the quantitative liquid extraction cylinder (2); an upper fixed cover plate (6) is fixedly connected to the top of the quantitative liquid extraction cylinder (2); and an opening and closing assembly is connected to the surface of the upper fixed cover plate (6).

2. A conical flask for accurate liquid collection according to claim 1, characterized in that: The connection assembly comprises a fixed mounting ring (3) fixedly connected to the outer surface of the quantitative liquid extraction cylinder (2); a threaded connection ring (4) is fixedly connected to the lower surface of the fixed mounting ring (3); and the threaded connection ring (4) is threadedly connected to the bottle mouth of the bottle body (1).

3. A conical flask for accurate liquid collection according to claim 1, characterized in that: The opening and closing assembly comprises a rotating connecting shaft (7) penetrating the surface of the upper fixed cover plate (6), the rotating connecting shaft (7) being rotationally connected to the upper fixed cover plate (6), one end of the rotating connecting shaft (7) being fixedly connected to a rotating block (8), and the other end of the rotating connecting shaft (7) being fixedly connected to an opening and closing plate (9).

4. A conical flask for accurate liquid collection according to claim 3, characterized in that: The opening and closing plate (9) is provided with a notch corresponding to the liquid inlet (5), and the opening and closing plate (9) is fitted with the inner bottom of the quantitative liquid taking cylinder (2).

5. The conical flask for accurate liquid collection according to claim 1, characterized in that: A liquid discharge pipe (10) is fixedly connected to the upper surface of the upper fixed cover plate (6), and a sealing plug (11) is embedded in the interior of the liquid discharge pipe (10).

6. The conical flask for accurate liquid collection according to claim 1, characterized in that: The outer surface of the quantitative liquid extraction cylinder (2) is provided with an embedding groove, and a sealing ring (12) is fixedly provided inside the embedding groove, and the sealing ring (12) is in contact with the inner wall of the bottle mouth of the bottle body (1).

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