High-stability titration stand

Abstract

The utility model relates to a high-stability titration table, which comprises a base, a plurality of titration plates and a plurality of titration plates, a boss is integrally formed at the bottom of the base, the base is made of ceramic and subjected to matte treatment, a support table is arranged at the top of the base, and a guide groove is formed in the support table; the bottom of the supporting column is provided with a guiding protrusion matched with the guiding groove of the supporting table. The butterfly clamp is provided with a first clamping arm and a second clamping arm, anti-skid rubber pads are arranged outside the first clamping arm and the second clamping arm respectively, the supporting column penetrates through the fixing base, and a locking knob used for fixing the position of the butterfly clamp is arranged on the fixing base. The utility model can solve the problems that the conventional titration stand pillar is fixed only by a nut, the pillar shakes due to looseness, the base of the titration stand is often made of marble and glass, the final titration end point is difficult to control due to light reflection, individual supporting legs on the base are easy to fall off, and the titration time is short. And a butterfly clip of the existing titration table has a poor burette fixing effect, so that the burette is easy to deviate downwards.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of chemical experiment instruments and equipment, mainly applies to quantitative analysis experiment scene in all kinds of chemical laboratory, involve titration operation link in chemical analysis technology, specifically a kind of high stability titration platform, this high stability titration platform aims at providing stable and reliable support platform for titration operation, to guarantee the accuracy and reliability of experimental data. BACKGROUND

[0002] In the field of modern chemical experiments, titration analysis, as an important quantitative analysis method, its accuracy and reliability are of great significance to scientific research, industrial production and quality control. And as the basic support equipment for titration experiment operation, the performance of titration table directly affects the final result of titration experiment.

[0003] However, the widely used traditional titration table has many defects that cannot be ignored. First of all, in the fixing way of the support column, the existing titration table mostly relies on nuts to fix the support column. In the actual experimental environment, since titration operation involves frequent use and movement of various instruments, slight vibration and collision are inevitable. With the passage of time and the continuous operation of the experiment, this frequent external force is easy to cause the nuts to gradually loosen, and then make the support column sway. Once the support column sways, not only will it interfere with the operator's operation feeling, but also will affect the accuracy of the solution dropping in the burette, thus greatly affecting the accuracy of the experimental results.

[0004] Secondly, about the base material of titration table, although the common marble and glass material has the characteristics of beauty and easy to clean to some extent, it has the problem of reflection. When determining the end point of titration, the light reflected on these smooth surfaces will form bright spots or halos, which makes it difficult for the experimenter to clearly and accurately observe the subtle changes in the color of the solution, thus increasing the difficulty and error probability of determining the end point of titration. Moreover, the support feet of marble and glass base are usually fixed by simple bonding or splicing, which is easy to fall off when used for a long time or accidentally collided, thus affecting the stability of the whole titration table and the normal progress of the experiment.

[0005] In addition, the butterfly clamp equipped by the existing titration table also has design defects. The fixing effect of the butterfly clamp on the burette is not ideal, and often cannot provide sufficient friction and clamping force to ensure the stability of the burette in the vertical direction. During the experiment, the burette is easily affected by its own gravity, solution flow and external slight vibration, and thus downward deviation occurs. Such deviation not only changes the drop speed and drop position of the burette, but also may cause the solution to drop outside the conical flask, resulting in deviation of experimental data and waste of reagents, and in severe cases, the entire experiment may be scrapped and needs to be re-operated, which reduces the experimental efficiency and accuracy. SUMMARY

[0006] The utility model discloses a high stability titration table for solving the problem that the existing titration table support only nut fixed, often appear loose and cause the support to shake the situation, and the base of titration table often adopts the material of marble and glass, easy to reflect light and cause the last titration end to be not controlled, and the individual support foot on the base is easy to fall off, cause the titration table to be not stable and the problem that the butterfly clamp of existing titration table is not good to the fixing effect of burette, and easy to cause burette to deviate downward.

[0007] In order to solve the above problems, the utility model provides a high stability titration table, comprising:

[0008] The base is integrally formed with a boss at the bottom, and a support table is arranged at the top, and a guide groove is arranged in the support table;

[0009] The support column is provided with a guide protrusion matched with the guide groove of the support table at the bottom;

[0010] The butterfly clamp is provided with a clamping arm one and a clamping arm two, and a fixed seat is fixedly arranged at the back, the support column passes through the fixed seat, and a locking knob for fixing the position of the butterfly clamp is arranged on the fixed seat.

[0011] Further, the outer parts of the clamping arm one and the clamping arm two are respectively provided with anti-skid rubber pads.

[0012] Further, a threaded section is arranged at the bottom of the guide protrusion on the support column.

[0013] Further, the support table and the base are provided with a communication guide hole.

[0014] Further, a limiting structure is arranged at the bottom of the guide groove.

[0015] Further, a nut matched with the threaded section is arranged.

[0016] Further, a gasket matched with the threaded section is arranged.

[0017] Further, the locking knob is provided with anti-skid lines.

[0018] The utility model has the advantages of the following:

[0019] (1) The utility model discloses a precise cooperation between the guide protrusion and the guide groove between the support column and the support table, and the design of the guide hole in the support table and the base, so that the stability of the support column in the vertical direction is strengthened.

[0020] (2) The anti-skid rubber pads arranged outside the first and second clamping arms of the butterfly clamp can provide strong friction force, firmly clamp titration tubes of different specifications, effectively prevent the titration tubes from sliding or deviating during the experiment, ensure the vertical stability of the titration tubes, and thus ensure the accuracy of the drop speed and drop amount. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description.

[0022] Figure 1 It is the main view of the titration table of the utility model embodiment;

[0023] Figure 2 It is the side view of the titration table of the utility model embodiment;

[0024] Figure 3The titration table overall view of the embodiment of the utility model;

[0025] Figure 4 The titration table base of the embodiment of the utility model;

[0026] Figure 5 The partial view of the titration table support of the embodiment of the utility model;

[0027] Figure 6 The butterfly clamp of the titration table of the embodiment of the utility model;

[0028] Figure 7 The assembly view of the titration table base of the embodiment of the utility model.

[0029] Mark explanation: 1-base;2-turret;3-supporting table;4-support;5-butterfly clamp;6-fixing seat;7-guiding recess;8-guiding boss;9-thread segment;10-clamp arm one;11-clamp arm two;12-guiding hole;13-gasket;14-nut;15-locking knob. Specific implementation

[0030] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious for those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, some technical features known in the art are not described to avoid confusion with the utility model.

[0031] In order to thoroughly understand the utility model, detailed steps and detailed structures will be proposed in the following description to explain the technical scheme of the utility model. The preferred embodiment of the utility model is described as follows, however, in addition to these detailed descriptions, the utility model can have other implementation manners.

[0032] As Figures 1 to 7The utility model discloses a high stability titration table embodiment shown in the utility model discloses a high stability titration table, including: base 1, its bottom integral moulded has the boss 2, and base 1 is as the basis support component of whole titration table, and the boss 2 of integral moulding at its bottom is evenly distributed on the plane, and every boss 2 has certain height, ensures when placing in the experiment table, can effectively reduce the unstable factor of base bottom surface and experiment table between because of small impurity or unevenness. The top of base 1 is equipped with support table 3, and support table 3 is equipped with guide groove 7, and the inner wall of guide groove 7 is smooth and has certain depth, to ensure that the guide protrusion 8 of the bottom of pillar 4 can be closely matched, provides accurate vertical direction for pillar 4, makes the stability of pillar 4 in vertical direction be strengthened, and then guarantees the stability of butterfly clamp 5 and burette installed on pillar 4. Meanwhile, support table 3 and base 1 are equipped with the guide hole 12 of intercommunication, and the connection stability and perpendicularity between pillar 4 and base 1 are enhanced. The bottom of guide groove 7 is provided with limit structure, and the limit structure can be a small protrusion or sealing plate, and its role is to further limit the displacement of pillar 4, prevent pillar 4 from coming off the bottom of guide groove 7, ensure that pillar 4 always maintains the stable upright state during the experiment, effectively avoid the adverse effect of pillar shaking on titration operation, make the solution in burette can be steadily and accurately added to the conical flask, improve the precision and accuracy of titration.

[0033] The bottom of pillar 4 is equipped with the guide protrusion 8 matched with the guide groove 7 of support table 3, and the shape and size of guide protrusion 8 are accurately matched with guide groove 7, and its surface is smooth and flat, to ensure that it can be closely matched after being inserted into guide groove 7, provide stable vertical support and guide for pillar 4. The bottom of pillar 4 is provided with threaded section 9, and threaded section 9 is matched with nut 14 and washer 13, to further enhance the stability of the connection between pillar 4 and base 1. When nut 14 is tightened on threaded section 9 and compresses base 1 through washer 13, it can effectively prevent pillar 4 from affecting the stability of titration table due to loosening during long-term use, ensure the reliability of the whole titration table structure, so that pillar 4 can always remain stable during titration operation, without shaking or displacement phenomenon, thereby ensuring the vertical state of burette and improving the precision of titration.

[0034] The butterfly clamp 5 is provided with a clamping arm 10 and a clamping arm 11, and the outer parts of the clamping arm 10 and the clamping arm 11 are respectively provided with anti-skid rubber pads made of rubber material with high friction coefficient, and the surface of the anti-skid rubber pad has fine texture and can provide strong friction force. When the burette is placed between the clamping arm 10 and the clamping arm 11, the anti-skid rubber pad can tightly fit the surface of the burette, effectively prevent the burette from sliding or deviating during the experiment, ensure the vertical stability of the burette, and ensure the accuracy of the drop speed and drop amount, so that the butterfly clamp 5 can firmly clamp burettes of different specifications, whether it is a relatively thin conventional burette or a relatively thick special burette, which can be stably fixed on the butterfly clamp 5, and meet the diversified experimental requirements and bring convenience to the experimental operation.

[0035] The back of the butterfly clamp 5 is fixedly provided with a fixing seat 6, the support column 4 passes through the fixing seat 6, and the fixing seat 6 is provided with a locking knob 15 for fixing the position of the butterfly clamp 5. The inner diameter of the fixing seat 6 is matched with the outer diameter of the support column 4, so that the butterfly clamp 5 can smoothly move up and down on the support column 4 to adjust to a suitable height position and meet the clamping requirements of burettes of different lengths. The experimenter can fix and adjust the height of the butterfly clamp 5 by rotating the locking knob 15, which is simple and efficient. The anti-skid pattern provided on the locking knob 15 facilitates the operation of the experimenter, so that he can hold the knob more easily and freely when tightening or loosening the locking knob 15, and the convenience and efficiency of the experimental operation are improved.

[0036] The high-stability titration table of the utility model is matched with each other, from the stability enhancement of the base, the precise guidance and stable connection of the support column, to the reliable clamping and convenient adjustment of the butterfly clamp, effectively solves the problems of poor stability of the support column, unstable burette fixing and base reflection of the traditional titration table, provides stable and reliable support for titration operation in chemical experiment, can effectively improve the accuracy and repeatability of experimental results, can meet the requirements of modern chemical experiment on high-precision instruments and equipment, has wide application prospect and practical value.

[0037] The preferred embodiments of the utility model are described above. It should be understood that the utility model is not limited to the specific embodiments described above, nor is it limited to the high-stability titration table. Equipment and structures not described in detail should be understood as being implemented in the ordinary way in the art. Any person skilled in the art can make many possible changes and modifications to the technical solutions of the utility model or modify them into equivalent embodiments with equivalent changes without departing from the scope of the technical solutions of the utility model, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change, and modification made to the above embodiments according to the technical essence of the utility model without departing from the content of the technical solutions of the utility model still falls within the scope of protection of the technical solutions of the utility model.

Claims

1. A high-stability titration stage, characterized in that, include: The base (1) has a boss (2) integrally formed at the bottom and a support platform (3) at the top, and the support platform (3) has a guide groove (7) inside. The support column (4) has a guide protrusion (8) at its bottom that is adapted to the guide groove (7) of the support platform (3). The butterfly clip (5) has a first clamping arm (10) and a second clamping arm (11), and a fixed seat (6) is fixedly provided on the back. The support column (4) passes through the fixed seat (6), and the fixed seat (6) is provided with a locking knob (15) for fixing the position of the butterfly clip (5).

2. The high-stability titration stage according to claim 1, characterized in that: The outer surfaces of the first clamping arm (10) and the second clamping arm (11) are respectively provided with anti-slip rubber pads.

3. The high-stability titration stage according to claim 1, characterized in that: The support (4) is provided with a threaded section (9) at the bottom of the guide protrusion (8).

4. The high-stability titration stage according to claim 1, characterized in that: The support platform (3) and the base (1) are provided with a connecting guide hole (12).

5. The high-stability titration stage according to claim 1, characterized in that: The bottom of the guide groove (7) is provided with a limiting structure.

6. The high-stability titration stage according to claim 3, characterized in that: A nut (14) adapted to the threaded section (9) is also provided.

7. The high-stability titration stage according to claim 6, characterized in that: It is also provided with a gasket (13) adapted to the threaded section (9).

8. The high-stability titration stage according to claim 1, characterized in that: The locking knob (15) is provided with anti-slip texture.

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