A conical flask
By designing a triangular flask with a fluid conduit and a homogeneous liquid, the existing triangular flask splashes when pouring strong acid or strong alkali liquids, and the agitation and mixing efficiency of the solution is improved, achieving higher safety and convenience.
Patent Information
- Application Number
- CN202421359613.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-14
AI Technical Summary
Existing triangular flasks are prone to splash when pouring strong acid or strong alkali liquid, and it is difficult to effectively stir the solution due to improper operation, resulting in low mixing efficiency.
A triangular flask was designed, with the bottle body, bottle neck and bottle mouth as an integrated structure, with a built-in liquid conduit and a homogenous liquid block. The liquid is introduced into the homogenous liquid block through the liquid conduit, which buffers and slowly flow into the bottle body to avoid splashing. At the same time, the tabs and notches at the bottom of the bottle body improve the stirring efficiency.
It effectively avoids liquid splashing, improves the agitation and mixing effect of the solution, and enhances the safety and convenience of operation.
Smart Images

Figure CN222694795U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flasks, in particular to a triangular flask. Background Art
[0002] The conical flask, also known as the Erlenmeyer flask or the conical flask, is a glass bottle commonly found in chemical laboratories. It has a flat-bottomed conical appearance, is wide at the bottom and narrow at the top, and is an isosceles triangle when viewed from the side. It has a cylindrical neck and an opening wider than the neck on the top, which can sometimes be closed with a stopper made of cork or rubber.
[0003] The existing conical flask has a simple structure. When pouring strong acid or strong alkali or other liquid solutions into the flask, splashing may occur due to improper operation, causing accidents. Some operators cannot pour liquids such as acid or alkali along the side wall of the flask according to regulations due to improper operation. In addition, when stirring the solution or reagent inside the conical flask, the solution can only be mixed by shaking the flask, and the stirring efficiency is low. Utility Model Content
[0004] The utility model aims to provide a conical flask, which can effectively avoid the occurrence of solution dripping and splashing, has high safety, improves the stirring and mixing effect of the solution, and is easy to use.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a conical flask, comprising a bottle body, a bottleneck is arranged at the top of the bottle body, a bottle mouth is arranged at the top of the bottleneck, the bottle body, bottleneck and bottle mouth are an integrated structure, an auxiliary device is arranged inside the bottle mouth, the auxiliary device comprises a liquid guide tube, the top of the liquid guide tube is fixedly connected with a limiting plate, the lower end surface of the limiting plate abuts against the bottle mouth, a liquid equalizing block is arranged below the liquid guide tube, a plurality of connecting ribs are fixedly connected between the liquid guide tube and the liquid equalizing block, a plurality of evenly distributed convex pieces are fixedly connected to the bottom of the bottle body, and the outer walls of the plurality of the convex pieces are each provided with two notches.
[0006] In order to make the flask more stable, as a preferred conical flask of the utility model, the bottle body and the bottle mouth are both conical structures.
[0007] In order to facilitate extending the liquid balancing block to the inside of the bottle body, as a preferred conical flask of the utility model, the liquid balancing block is a truncated cone structure, and the bottom diameter of the liquid balancing block is smaller than the diameter of the bottleneck.
[0008] In order to facilitate the addition of solutions and reagents, as a preferred conical flask of the utility model, a through hole is opened at the center of the upper end surface of the limiting piece and is connected to the liquid guiding tube.
[0009] In order to facilitate checking of the solution capacity, as a preferred embodiment of the conical flask of the present invention, the outer wall of the flask is provided with scale lines.
[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0011] The bottle body, bottleneck and bottle mouth are integrally formed to improve strength and good sealing. The bottle body and bottle mouth are both conical structures. The conical structure of the bottle body improves the overall stability of the flask, and the conical structure of the bottle mouth makes it easy to pour solutions or reagents into the bottle body. When it is necessary to add solutions or reagents, the auxiliary device is extended into the bottle mouth so that the limit plate overlaps the upper end of the bottle mouth. At this time, the solution is poured through the through hole, and the solution flows to the upper end of the liquid balancing block through the liquid guide tube. First, the solution is preliminarily buffered by the liquid balancing block to reduce the impact force of the solution. Then, the solution flows down along the outer wall of the liquid balancing block. The outer wall of the liquid balancing block is close to the inner side of the bottle body, so that the solution slowly flows in along the bottle body. At the same time, the liquid balancing block can play a shielding role to shield the splashed solution, thereby effectively avoiding the occurrence of solution dripping and splashing, and the safety is high.
[0012] The bottom of the bottle is fixedly connected with a plurality of evenly distributed convex pieces. When the solution needs to be stirred and mixed, the bottleneck is held and rotated and shaken. The solution rotates inside the bottle, and the convex pieces can improve the stirring effect of the solution. At the same time, when the solution rotates, it is cut by a plurality of notches, which further improves the stirring and mixing effect of the solution. It is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is the overall structure diagram of the utility model;
[0014] Figure 2 This is a schematic diagram of the auxiliary device of the utility model in a disassembled state;
[0015] Figure 3 This is a structural diagram of the auxiliary device of the utility model;
[0016] Figure 4 This is a top view of the structure of the limiting piece of the utility model.
[0017] In the figure: 1. bottle body; 2. bottleneck; 3. bottle mouth; 4. auxiliary device; 5. liquid guide tube; 6. limit plate; 7. liquid equalizing block; 8. connecting rib; 9. convex piece; 10. notch; 11. through hole; 12. scale line. DETAILED DESCRIPTION
[0018] See also Figures 1 to 4A conical flask comprises a bottle body 1, a bottleneck 2 is arranged at the top of the bottle body 1, a bottle mouth 3 is arranged at the top of the bottleneck 2, the bottle body 1, the bottleneck 2 and the bottle mouth 3 are an integrated structure, an auxiliary device 4 is arranged inside the bottle mouth 3, the auxiliary device 4 comprises a liquid guiding tube 5, the top of the liquid guiding tube 5 is fixedly connected with a limiting plate 6, the lower end surface of the limiting plate 6 abuts against the bottle mouth 3, a liquid equalizing block 7 is arranged below the liquid guiding tube 5, a plurality of connecting ribs 8 are fixedly connected between the liquid guiding tube 5 and the liquid equalizing block 7, a plurality of evenly distributed convex pieces 9 are fixedly connected to the bottom of the bottle body 1, and the outer walls of the plurality of convex pieces 9 are each provided with two notches 10.
[0019] The bottle body 1, bottle neck 2 and bottle mouth 3 are integrally formed to improve strength and good sealing. The bottle body 1 and bottle mouth 3 are both conical structures. The conical structure of the bottle body 1 improves the overall stability of the flask, and the conical structure of the bottle mouth 3 is convenient for pouring solutions or reagents into the bottle body 1. When it is necessary to add solutions or reagents, the auxiliary device 4 is extended into the bottle mouth 3 so that the limiting piece 6 overlaps the upper end of the bottle mouth 3. At this time, the solution is poured through the through hole 11, and the solution flows to the upper end of the liquid balancing block 7 through the liquid guide tube 5. First, the solution is preliminarily buffered by the liquid balancing block 7 to reduce the impact force of the solution. Then, the solution flows down along the outer wall of the liquid balancing block 7. The outer wall of the liquid balancing block 7 is close to the inner side of the bottle body 1, so that the solution slowly flows in along the bottle body 1. At the same time, the liquid balancing block 7 can play a shielding role to shield the splashed solution, thereby effectively avoiding the occurrence of solution dripping and splashing, and the safety is high.
[0020] The bottom of the bottle body 1 is fixedly connected with a plurality of evenly distributed protrusions 9. When the solution needs to be stirred and mixed, the bottleneck 2 is held and rotated and shaken, and the solution rotates inside the bottle body 1, and the protrusions 9 can improve the stirring effect of the solution. At the same time, when the solution rotates, it is cut by a plurality of notches 10, which further improves the stirring and mixing effect of the solution, and is easy to use.
[0021] As a technical optimization solution of the present utility model, the bottle body 1 and the bottle mouth 3 are both conical structures.
[0022] In this embodiment, the bottle body 1 and the bottle mouth 3 are both conical structures. The conical structure of the bottle body 1 improves the overall stability of the flask, and the conical structure of the bottle mouth 3 makes it easy to pour solutions or reagents into the bottle body 1.
[0023] As a technical optimization solution of the present invention, the liquid balancing block 7 is a truncated cone structure, and the bottom diameter of the liquid balancing block 7 is smaller than the diameter of the bottleneck 2 .
[0024] In this embodiment, the liquid balancing block 7 is a truncated cone structure, which facilitates the solution to be introduced into the bottle body 1 along the liquid balancing block 7. The bottom diameter of the liquid balancing block 7 is smaller than the diameter of the bottleneck 2, which facilitates the liquid balancing block 7 to be inserted into the bottle body 1.
[0025] As a technical optimization solution of the present utility model, a through hole 11 is opened at the center of the upper end surface of the limiting piece 6 and is connected to the liquid guiding tube 5 .
[0026] In this embodiment, a through hole 11 is provided at the center of the upper end surface of the limiting piece 6 and is connected to the liquid guiding tube 5 to facilitate pouring of the solution.
[0027] As a technical optimization solution of the present invention, the outer wall of the bottle body 1 is provided with scale lines 12 .
[0028] In this embodiment, the outer wall of the bottle body 1 is provided with scale lines 12 to facilitate checking the volume of the poured solution.
[0029] Working principle: the bottle body 1, bottleneck 2 and bottle mouth 3 are integrally formed to improve strength and good sealing. The bottle body 1 and bottle mouth 3 are both conical structures. The conical structure of the bottle body 1 improves the overall stability of the flask, and the conical structure of the bottle mouth 3 makes it easy to pour the solution or reagent into the bottle body 1. When it is necessary to add solution or reagent, the auxiliary device 4 is extended into the bottle mouth 3 so that the limit plate 6 overlaps the upper end of the bottle mouth 3. At this time, the solution is poured through the through hole 11, and the solution flows to the upper end of the liquid balancing block 7 through the liquid guide tube 5. First, the solution is preliminarily buffered by the liquid balancing block 7 to reduce the impact force of the solution. Then, the solution flows down along the outer wall of the liquid balancing block 7. The outer wall of the liquid balancing block 7 is close to the inner side of the bottle body 1, so that the solution slowly flows in along the bottle body 1. At the same time, the liquid balancing block 7 can play a shielding role to shield the splashed solution, thereby effectively avoiding the occurrence of solution dripping and splashing, and the safety is high.
[0030] The bottom of the bottle body 1 is fixedly connected with a plurality of evenly distributed protrusions 9. When the solution needs to be stirred and mixed, the bottleneck 2 is held and rotated and shaken, and the solution rotates inside the bottle body 1, and the protrusions 9 can improve the stirring effect of the solution. At the same time, when the solution rotates, it is cut by a plurality of notches 10, which further improves the stirring and mixing effect of the solution, and is easy to use.
[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements 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, comprising a body (1), characterized in that: The top of the bottle body (1) is provided with a bottleneck (2), and the top of the bottleneck (2) is provided with a bottle mouth (3). The bottle body (1), the bottleneck (2) and the bottle mouth (3) are an integrated structure. An auxiliary device (4) is provided inside the bottle mouth (3). The auxiliary device (4) comprises a liquid guide tube (5). The top of the liquid guide tube (5) is fixedly connected to a limiting plate (6), and the lower end surface of the limiting plate (6) is in contact with the bottle mouth (3). A liquid equalizing block (7) is provided below the liquid guide tube (5). A plurality of connecting ribs (8) are fixedly connected between the liquid guide tube (5) and the liquid equalizing block (7). The bottom of the bottle body (1) is fixedly connected to a plurality of evenly distributed protruding pieces (9), and the outer walls of the plurality of protruding pieces (9) are each provided with two notches (10).
2. A conical flask according to claim 1, characterized in that: The bottle body (1) and the bottle mouth (3) are both conical structures.
3. A conical flask according to claim 1, characterized in that: The liquid balancing block (7) is a truncated cone structure, and the bottom surface diameter of the liquid balancing block (7) is smaller than the diameter of the bottleneck (2).
4. The conical flask according to claim 1, characterized in that: A through hole (11) is provided at the center of the upper end surface of the limiting plate (6) and is connected to the liquid guiding tube (5).
5. The conical flask according to claim 1, characterized in that: The outer wall of the bottle body (1) is provided with scale lines (12).