Double-layer suction filtration bottle

Abstract

The utility model discloses a double-layer suction flask, and relates to the technical field of experimental equipment. According to the double-layer suction filtration bottle, by arranging the fixing plug, the fixing ring, the connecting column, the arc-shaped fixing plate, the lead screw, the rotating disc and the test tube, the experiment accuracy is improved, the test tube can be taken out of the suction filtration bottle body to be cleaned or replaced, cross infection of different filtrates is avoided, and therefore the experiment accuracy is improved, and the double-layer suction filtration bottle has the advantages of being simple in structure, high in practicability, low in cost and the like. The device is suitable for various laboratory environments needing suction filtration operation; by arranging the suction filtration bottle body, the suction filtration bottle inner layer, the heat insulation layer and the suction filtration bottle outer layer, the heat preservation and heat insulation performance of the suction filtration bottle is effectively improved, the suction filtration process is more stable and reliable, and the problems of a traditional suction filtration bottle in the aspects of heat preservation and heat insulation and external environment interference prevention are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental equipment, in particular to a double-layer suction filtration bottle. Background Art

[0002] In chemical experiments, filtration is a common method for separating and purifying mixtures of solid particles and liquids. Traditional filtration flasks typically have a single layer, making it difficult to effectively control the temperature of the filtrate. Temperature fluctuations during the filtration process can easily cause changes in the composition of the filtrate, affecting the accuracy of experimental results. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the present invention provides a double-layer suction filtration bottle to solve the problems raised in the above background technology:

[0004] Traditional filtration bottles usually have only one layer structure and cannot effectively control the temperature of the filtrate. In addition, during the filtration process, the composition of the filtrate is easily changed due to temperature changes, affecting the accuracy of the experimental results.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A double-layer suction flask comprises a suction flask body, the suction flask body comprising a suction flask inner layer, an insulation layer and a suction flask outer layer, the outer side of the suction flask inner layer is provided with a insulation layer, the outer side of the insulation layer is provided with a suction flask outer layer, the top of the suction flask body is detachably connected to a fixing plug, the bottom of the fixing plug is fixedly connected to a connecting column, the bottom of the connecting column is fixedly connected to a fixing ring, the two sides of the fixing ring are symmetrically threaded with screw rods, one end of the screw rod passes through one side of the fixing ring and is rotatably connected to an arc-shaped fixing plate, the arc-shaped fixing plates are provided with two groups, and a test tube is detachably connected between the two groups of arc-shaped fixing plates.

[0007] Preferably, one end of the screw rod away from the arc-shaped fixing plate is fixedly connected to a turntable.

[0008] Preferably, a gas extraction port is fixedly connected to one side of the filtration bottle body.

[0009] Preferably, a funnel is detachably connected to the interior of the fixing plug, and a filter plate is detachably connected to the interior of the funnel.

[0010] Preferably, the top of the funnel is threadedly connected to a connecting bottle.

[0011] The utility model provides a double-layer suction filtration bottle. Compared with the existing technology, it has the following beneficial effects:

[0012] 1. The double-layer suction flask effectively improves the thermal insulation performance of the suction flask by setting the suction flask body, the suction flask inner layer, the thermal insulation layer and the suction flask outer layer, making the filtration process more stable and reliable, and solving the problems of traditional suction flasks in thermal insulation and prevention of external environmental interference.

[0013] 2. The double-layer filtration bottle improves the accuracy of the experiment by arranging a fixed plug, a fixed ring, a connecting column, an arc-shaped fixed plate, a screw, a turntable and a test tube. The test tube can be taken out of the filtration bottle body for cleaning or replacement to avoid cross-infection of different filtrates, thereby improving the accuracy of the experiment. It has the advantages of simple structure, strong practicality and low cost, and is suitable for various laboratory environments requiring filtration operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the partial internal structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 3 It is an exploded view of the utility model;

[0017] Figure 4 This is a schematic diagram of the fixed plug structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the enlarged structure of part A in the present invention.

[0019] In the figure: 1. Filtration bottle body; 2. Inner layer of filtration bottle; 3. Insulation layer; 4. Vacuum port; 5. Fixing plug; 6. Funnel; 7. Filter plate; 8. Connecting bottle; 9. Fixing ring; 10. Arc-shaped fixing plate; 11. Screw; 12. Turntable; 13. Test tube; 14. Connecting column; 15. Outer layer of filtration bottle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-5The utility model provides a technical solution: a double-layer suction filtration bottle, including a suction filtration bottle body 1, the suction filtration bottle body 1 includes a suction filtration bottle inner layer 2, a heat insulation layer 3 and a suction filtration bottle outer layer 15, the outer side of the suction filtration bottle inner layer 2 is provided with a heat insulation layer 3, the outer side of the heat insulation layer 3 is provided with a suction filtration bottle outer layer 15, the suction filtration bottle inner layer 2 is used to hold the filtrate, and the suction filtration bottle outer layer 15 forms a closed heat insulation space, the setting of the heat insulation layer 3 reduces the heat conduction between the suction filtration bottle inner layer 2 and the suction filtration bottle outer layer 15, the heat insulation layer 3 is a heat preservation material such as aerogel, and the top of the suction filtration bottle body 1 is detachably connected with a fixed plug 5, so that a heat insulation space is formed in the suction filtration bottle body 1. In a closed space, the bottom of the fixed plug 5 is fixedly connected with a connecting column 14, and the bottom of the connecting column 14 is fixedly connected with a fixing ring 9. The two sides of the fixing ring 9 are symmetrically threaded with screw rods 11. One end of the screw rod 11 passes through one side of the fixing ring 9 and is rotatably connected to an arc-shaped fixing plate 10. The screw rod 11 rotates and moves with the arc-shaped fixing plate 10. There are two groups of arc-shaped fixing plates 10. A test tube 13 is detachably connected between the two groups of arc-shaped fixing plates 10. The two groups of arc-shaped fixing plates 10 move to one side of the test tube 13 and contact the test tube 13, fixing the test tube 13 at the bottom of the fixed plug 5 to facilitate the collection of the filtrate.

[0022] Furthermore, one end of the screw rod 11 away from the arc-shaped fixed plate 10 is fixedly connected to a turntable 12 , and the turntable 12 rotates and drives the screw rod 11 to rotate as well.

[0023] Furthermore, a vacuum port 4 is fixedly connected to one side of the filtration bottle body 1, and the filtration bottle body 1 is connected to an external vacuum pump through the vacuum port 4, thereby reducing the air pressure in the filtration bottle body 1 and allowing the filtrate in the funnel 6 to drip downward into the test tube 13, thereby completing the collection of the filtrate.

[0024] Furthermore, a funnel 6 is detachably connected to the interior of the fixed plug 5 , and a filter plate 7 is detachably connected to the interior of the funnel 6 to filter the liquid entering the funnel 6 .

[0025] Furthermore, the top of the funnel 6 is threadedly connected to a connecting bottle 8, so that the connecting bottle 8 is better connected to the top of the funnel 6 without manual holding.

[0026] When in use, place the test tube 13 into the fixing ring 9 so that the top of the test tube 13 contacts the fixed plug 5, rotate the turntable 12, the turntable 12 rotates with the screw 11, and the screw 11 rotates with the arc-shaped fixing plate 10 until one side of the arc-shaped fixing plate 10 contacts the test tube 13, fix the test tube 13 to the bottom of the fixed plug 5, then place the test tube 13 into the suction filtration bottle body 1, and the fixed plug 5 also enters the suction filtration bottle body 1 together, fix the test tube 13 in the suction filtration bottle body 1, rotate the connecting bottle 8, screw the connecting bottle 8 into the funnel 6, and The funnel 6 is connected, and then the bottom of the funnel 6 is inserted into the fixed plug 5, so that the bottom of the funnel 6 enters the test tube 13. The liquid in the connecting bottle 8 is filtered by the filter plate 7 and then enters the test tube 13 through the funnel 6. Through the arrangement of the inner layer 2 of the suction bottle, the outer layer 15 of the suction bottle and the insulation layer 3, the temperature of the filtrate is effectively controlled, the change of the filtrate composition is reduced, and the accuracy of the experimental results is improved. At the same time, by replacing or removing the test tube 13 for cleaning, cross-infection of different filtrates is avoided, the risk of contamination is reduced, and the safety and reliability of the experiment are guaranteed.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations. The phrase "includes an element defined by..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-layer suction filtration bottle, comprising a suction filtration bottle body (1), characterized in that: The suction flask body (1) comprises a suction flask inner layer (2), a heat insulating layer (3) and a suction flask outer layer (15), the outer side of the suction flask inner layer (2) is provided with a heat insulating layer (3), the outer side of the heat insulating layer (3) is provided with a suction flask outer layer (15), the top of the suction flask body (1) is detachably connected to a fixing plug (5), the bottom of the fixing plug (5) is fixedly connected to a connecting column (14), the bottom of the connecting column (14) is fixedly connected to a fixing ring (9), the two sides of the fixing ring (9) are symmetrically threaded with a screw rod (11), one end of the screw rod (11) passes through one side of the fixing ring (9) and is rotatably connected to an arc-shaped fixing plate (10), the arc-shaped fixing plate (10) is provided with two groups, and a test tube (13) is detachably connected between the two groups of the arc-shaped fixing plates (10).

2. A double-layer filtration bottle according to claim 1, characterized in that: One end of the screw rod (11) away from the arc-shaped fixed plate (10) is fixedly connected to a turntable (12).

3. The double-layer filtration bottle according to claim 1, characterized in that: A gas extraction port (4) is fixedly connected to one side of the suction bottle body (1).

4. The double-layer filtration bottle according to claim 1, characterized in that: The interior of the fixed plug (5) is detachably connected to a funnel (6), and the interior of the funnel (6) is detachably connected to a filter plate (7).

5. The double-layer filtration bottle according to claim 4, characterized in that: The top of the funnel (6) is threadedly connected to a connecting bottle (8).

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